Rolls-Royce Archives
| Identifier | Entry | ||
| 04-page001 | Proposal for a new, smaller G.I. engine, comparing it to an Alfa Romeo and discussing component re-use from the Peregrine engine. | ||
| View original record | COPY. X4553. W.O.R. } FROM R. H.S. } R.2/M.4. 12. 31. (4553) C.C. to SG. RG. C.C. to SY. C. 'B' SPORTS. I, and I have schemed a smaller and improved G.I. which is practically the same as the Alfa… | ||
| 04-page002 | Drawing N.Sch.3838, which outlines the frame, springs, and transmission centre-line. | ||
| View original record | TO BY. FROM DA/ET. SECRET. K.4553 18/W.S/21.12.31. COPY TO SS. W G. HS. FRAME, TRANSMISSION LINE, ETC. B.2 We send herewith N.Sch.3838 showing the outline of the frame, front and rear springs and the… | ||
| 04-page003 | Drawing M.Sch.3393, which details the frame, springs, and transmission layout, comparing it to the 'Peregrine' model. | ||
| View original record | K.4358 D:BY. FROM DA/ST. DATED: DA/27.3/21.12.31. COPY TO MR. W.R. MS. PEREGRINE. TRANSMISSION. INST. ETC. B.2 We send herewith M.Sch.3393 showing the outline of the frame, front and rear springs and… | ||
| 04-page004 | Comparative table of component specifications for various Bentley and Peregrine models. | ||
| View original record | SECTION | COMMON TO 3 LIT BENTLEY AND PEREGRINE | SPECIFICATION OF PEREGRINE | SPECIAL TO BENTLEY ENGINE. | Crankshaft, con rods, and pistons. Valves, springs, fittings & guides. Water and oil pumps,… | ||
| 04-page005 | Specification sheet comparing standard parts with those special to a Bentley model. | ||
| View original record | SECTION, COMMON TO BOTH AND STD. R.R., SPECIFICATION OF BENTLEY, SPECIAL TO BENTLEY BONNET., Louvres and fittings., Rivettless P.S. fasteners. Phlg Flap Shutters., Bentley shape bonnet. STARTING… | ||
| 04-page006 | Specification sheet comparing common and special parts for different vehicle sections. | ||
| View original record | SECTION: INSTRUMENT BOARD. COMMON TO J 3 PEREGRINE AND BENTLEY: All parts except speedometer. SPECIFIC ITEM OF WORK: Grouped system: bought out to our specification. SPECIAL TO BENTLEY: Special… | ||
| 04-page007 | Specifications for a new 'B.2. Car', including body, luggage, and supercharger options. | ||
| View original record | Sq. From HS. cy. to WOR. E. c. to BY 84 553. HS2/JT.28.1.31. B. 2. CAR. We think with this car we ought to get out a specification of what we are hoping to achieve. At the moment there appears to be… | ||
| 04-page008 | Commercial viability and engineering direction for the B.2. car model. | ||
| View original record | -2- Personally, I think the B. 2. car will be sold in very limited quantities. When we make this car we shall be obliged to enter motor racing whether we like it or not. They will be purchased for… | ||
| 04-page009 | Requesting attendance at a conference to discuss the B 2 Car and General Chassis Policy. | ||
| View original record | Y/4583 To F. Hs. Evereby. from Wor. Wor5/T30.12.31. B. 2 Car. Will you kindly attend a conference at 10.30 a.m. to-morrow December 31st in my room, to discuss Hs' note on B 2 Car - reference… | ||
| 04-page010 | Notes of a conference at Derby discussing proposed new car models and market strategy. | ||
| View original record | HS X4553. Notes of conference at Derby December 31st, 1931. Present:- Nor. B. HY. Hs. Ry. B.II Car. Nor. opened a discussion on the above subject and all our proposed new models were reviewed. The… | ||
| 04-page011 | Production status of the 20/25 HP model, its replacement, and modifications for a specific variant. | ||
| View original record | Contd:-2- By the time this car was being produced the 20/25 H.P. would have gone out of production, and have been replaced by J.III, therefore, there would be no duplication of engine sizes between… | ||
| 04-page012 | Specification table for various car models, detailing engine bore, stroke, capacity, and chassis dimensions. | ||
| View original record | Copy. WGF. a. C. c. Ex. c. Hy. BTM/030.16.31. As requested we give below the information required in regard to the various RR. cars :- | TYPE. | BORE. | STROKE. | TOTAL CYLINDER CAPACITY. | R.A.C.… | ||
| 04-page013 | Internal discussion on market competition and product strategy for developing new, cheaper 18 HP and Bentley models. | ||
| View original record | -2- and consequently the proportion we capture might be too small to justify the low price we must sell at. As the horse-power goes up the numbers go down, i.e. the market is smaller whatever the… | ||
| 04-page014 | Review of the J-III model's position, questioning its manufacturing viability compared to the 20/25 HP car. | ||
| View original record | -3- While on this point, it might be as well to review the position of J-III, as to whether it is going to be really much less expensive to manufacture, because if it is not I very much doubt whether… | ||
| 04-page015 | Strategic memo outlining the plan for the Bentley brand, focusing on market position and model selection. | ||
| View original record | NOTES. re BENTLEY. WHAT WE HAVE IN VIEW AND WHY. 1. The first idea of keeping alive the name of Bentley was: (a) To endeavour to make use of the goodwill created by the name amongst sporting drivers;… | ||
| 04-page016 | Sales policy, competition from Bentley, and the feasibility of producing a J.I engine sports Bentley car. | ||
| View original record | HS X 4553 To Mr. [illegible]. from Hg. re B.II Car. Sg19/E4.1.38 Copy to Mr. HY. Hs. With further reference to one or two conversations and memos of last week and Minutes of the meeting held on the… | ||
| 04-page017 | Design and development updates for the B.2 car, covering the gearbox, bodywork, accommodation, and radiator. | ||
| View original record | Sev from E. C. WOT. C. HS. HPy. X4553 E1/AD6.1.32. RE : B.2. CAR. We are starting on the B.2. gearbox today or tomorrow as soon as Hdy. has completed the work on hand - controlled dampers. We are… | ||
| 04-page018 | Progress on the B.2 engine section, including the cylinder head and valve gear, and the need for temporary help. | ||
| View original record | -2- E1/AD6.1.32 contd. With regard to the engine section, we are pushing on with the B.2, cylinder head and valve gear at Elmstead and really want more help as one board is absorbed on the P.II S.U.… | ||
| 04-page019 | Engine power improvements, specifically regarding valve lift, supercharging, and valve timing. | ||
| View original record | E. } FROM R. HS. } (At Le Canadel) BY. } X4553 R2/MS.1.32. Sent from VW. 9.1.32. C. to - SL. WDR. RG. X5090 X7090 X4553 CAR WORK - ENGINE POWER. Good and sound progress is being made and I quite agree… | ||
| 04-page020 | Development and strategy for sports car models, including the J.1 and a proposed 'Bensport' model. | ||
| View original record | HS. E. ) FROM R. BY. ) (At Le Canadel.) C. to ST. WDR. RG. SPORTS CARS. C. to DA. PN. I thank HS. for his very interesting memo. It is very gratifying to hear that our J. 1. can be made so good. You… | ||
| 04-page021 | Design revisions for the Bensport chassis layout, inspired by the Riley Monaco Saloon. | ||
| View original record | BY. FROM DA/EV. X4553 C. to SG. WDR. HS. E. BENSPORT. DA/EV/1/124.3.32. X.4553 We send herewith N.sch.3406/7 shewing a quarter scale layout of the chassis, and 1/16th scale drawing of the Sports… | ||
| 04-page022 | Comparing a 6-cylinder with an 8-cylinder 'Peregrine size' engine, with technical design notes. | ||
| View original record | X4583. Le Canadel. (28.3.32). R.2/HP.31.3.32. Eg. ) R. } from R. Hs. ) c. Sg. Mor. Re Bensports. ---------- I have written to Mr Sidgreaves that I should be happier that we were doing right if we made… | ||
| 04-page023 | Engine design options for the 'Bensport' model, comparing it to a Bugatti and considering supercharger placement. | ||
| View original record | X4553 M. from E. c. Sg. Cor. Hs. Mr. E.S/HW.31.3.32 Re Bensport. Referring to your memo R.2/HP. 31.3.32 personally I think the larger engine which would come out at 3.15 litres is very good, and have… | ||
| 04-page024 | Feasibility of an 8-cylinder engine for the 'Bensport' model, considering interchangeability with 'Peregrine' parts, tax, and market implications. | ||
| View original record | H/E K4558 To H. from WK. Copy to R. Mr. Hs. re Bensport. Sg14/24.4.32 Referring to B.2/HP.F1.1."2 and E.5/HP.S1."2 relative to making this a 8-cylinder instead of a 6, I should like to discuss this on… | ||
| 04-page025 | Feasibility of an 8-cylinder engine versus continuing with a 6-cylinder engine. | ||
| View original record | X4553 To A, from Sg. Cerr to Mr.H.Hs. re Bensport. Sg4/27.4.32 Referring to your memo. suggesting an 8-cylinder for the above, I was up at Derby yesterday for the annual general meeting and had a two… | ||
| 04-page026 | Design, market position, and pricing for a new sports car model in response to competitors. | ||
| View original record | To R. from Sg. A good deal of Bomsport work has been done, all of which would be thrown overboard if we made the alteration suggested and we should really be back where we were about four months ago.… | ||
| 04-page027 | Design, cost, and market positioning of the 'Bensport' car model. | ||
| View original record | R. from E. E.1/HP.8.4.32. re Bensport. With further reference to the above, my memo E.5/HP.31.3.32 re 8 cyl. Bensport was based on what I thought would make a better car without regard to restrictions… | ||
| 04-page028 | Pros and cons of a push rod engine for the Bensport car compared to an overhead camshaft engine. | ||
| View original record | Sheet 2. The push rod engine was considered at W.W. for the Bensport and discarded because:- (a) For any given size of valve it does not give maximum performance. (b) The sparking plug position and… | ||
| 04-page029 | Desired visual differentiation of the Bensport Engine from standard engines. | ||
| View original record | Sheet 3 - E.1/HP.8.4.32 It is realised that at one time the Sales Department wanted a radical difference in appearance to distinguish the Bensport Engine from RR. but they now feel that this object… | ||
| 04-page030 | Blowers and learnings from Alfa Romeo engines for the Bensport model. | ||
| View original record | X4553. To H. from R. c. Mr. Her. Hs. By. Pw. K.1/HP.11.5.32. re Bensport etc. We had Mr G.E.T. Eyston here yesterday on the question of blowers. He is the technical representative for the Powerplus.… | ||
| 04-page031 | Engine valve sizes and a comparison of Roots and Powerplus type blowers for the Bensport engine. | ||
| View original record | - 2 - We are particularly interested in the question of the valve sizes as we shall be worse off in this respect than the Alfa, the Alfa being a short stroke large bore engine with hemispherical head.… | ||
| 04-page032 | The efficiency and coupling of a Roots type blower compared to a Powerplus system. | ||
| View original record | - 3 - E.1/HW.11.5.32. ---------- (3) Higher overall efficiency. (4) Begins to operate at a lower speed than the Roots due to smaller leakage factor. (5) It is not necessary to have a by-pass passage… | ||
| 04-page033 | Chassis layouts and design instructions for the BENSPORT project, referencing specific schematics and competitor details. | ||
| View original record | Y4553 BY. FROM D A/EV. DA/EVL/109.9.32. C. to SQ. WOR. HS. E. re. BENSPORT. We send herewith N. schs. 3475/76.- layouts of Bensport, using 10 ft. and 10' 4 ins. wheelbase respectively. As a result of… | ||
| 04-page034 | Road test report and specification sheet for an Alvis 'Speed' Twenty car. | ||
| View original record | SC. FROM DA/EV. K4213 DA/EV1/M24.5.32. C. to R. WOR. C. to HS. E. ALVIS 'SPEED' TWENTY. X.4553. X.3531. Through the courtesy of Park Ward we were able to try one of these cars, and fortunately it was… | ||
| 04-page035 | Road test report commenting on the performance of the engine, steering, gearbox, and brakes. | ||
| View original record | -2- 1815 r.p.m. although the engine was reasonably smooth bearing in mind the type of car we were testing, yet it had the peculiarity of being distinctly lumpy when opened up at speeds below 40 m.p.h.… | ||
| 04-page036 | The performance and characteristics of an Alvis car, comparing it to a proposed Bentley. | ||
| View original record | -3- system, but the pressure was not too great for the type of car. The shoes have a servo action. There is a ready adjustment close at hand on the floor of the front seat. This car, having a low… | ||
| 04-page037 | The 'Bensport' frame and transmission layout, with comparisons to the 'Peregrine' model. | ||
| View original record | X4553 BY. FROM DA/EV. DA/EV2/119.5.32. C. to SG. WOR. HS. E. BENSPORT FRAME AND TRANSMISSION LAYOUT. We send herewith N. sch. 3477. shewing the Bensport frame, springs, axles, and transmission layout.… | ||
| 04-page038 | Listing bought-out materials for the 'Bensport' and 'Peregrine' specifications. | ||
| View original record | XU 553 Sg. from E. c. Ber. Hs. E.S/HP.19.5.32. re Bensport. We are re-writing the specifications for Peregrine and Bensport, and the following appears to be the list of material at the moment that may… | ||
| 04-page039 | Design considerations for the 'Bensport' car, focusing on the Peregrine engine and clutch type. | ||
| View original record | SG. FROM R. X4583 R2/1525.5.32. Sent off 28.5.32. C. to WOR. RG. E. C. to HS. BY. PN. re. BENSPORT. This car appears to be taking the chief attention of the car designers both here and at Derby. As we… | ||
| 04-page040 | Design considerations for the clutch, gearbox, back axle, and brakes of a new model. | ||
| View original record | -2- radial faced type. I think this will be a necessity owing to the high revs. We are arranging for considerably more foot pressure than in the case of the Alfa Romeo, somewhere between 35/40 lbs. on… | ||
| 04-page041 | Technical memo discussing the 4-brake system, Peregrine engine, and cooling considerations for a new model. | ||
| View original record | -3- A very great advantage in this 4 brake system is that the shoes on the rear axle can be so much wider without inconvenience. EA. has carefully gone into the multiplication, and the weight of the… | ||
| 04-page042 | Use of a common front axle for the Bensport and Peregrine cars to avoid making new dies. | ||
| View original record | 84553. DA/EV. or. Eg. c. Wor. c. Hs. or. EN BY. 2/C. 26.5.32. BENSPORT. ---------- Referring to DA/EV.1/M.19.5.32. and DA/EV.2/ M.19.5.32. we do not propose on the Bensport car to use makeshift parts.… | ||
| 04-page043 | Design suggestions for a cylinder head regarding the orientation of inlets and exhausts. | ||
| View original record | S. FROM R. C. to SG. MOR. re CYLINDER HEAD. C. to DA. HY. MS. J.S. & BANSOP AT QUARMBY(CBS). I think your latest suggestion is the best - i.e. all gends looking one way, both in the exhaust & inlet.… | ||
| 04-page044 | Testing a 'Peregrine' engine for Bansport, the need for gearbox drawings, and a decision on a fan. | ||
| View original record | RECEIVED A. M. J. 1932 JUN 2 XC553 Hs To Mr from Mr. Corr to Mr Ag. E. H. BY. PH. Ba. re Bansport. Sg12/H.6.32 Thanks for your long and interesting memo. of the 25th, R2/M25.S.2, relative to the… | ||
| 04-page045 | Progress report on engine modifications for the Peregrine and Bensport, and the building of the Peregrine chassis. | ||
| View original record | K4555. HS.S/KT.2.8.32. K4027. To R. From HS. c. to Ss. Wor. c. to Ch. E. c. to EV. PEREGRINE AND BENSPORT. We are carrying out modifications to the existing head fitted to the engine, in order to try… | ||
| 04-page046 | Progress on the Peregrine & Bensport engine and gearbox, including modifications for cooling. | ||
| View original record | HS/RM. FROM R. R2/M4.6.32. X.4027 X.4553 C. to SG. WOR. RG. C. to E. BY. PEREGRINE & BENSPORT. ------------------- I am very pleased to hear that the engine is progressing well. I quite agree to… | ||
| 04-page047 | Report on the 20.HP Alvis Speed Model and design considerations for the Bensport chassis, including steering and engine mounting. | ||
| View original record | Y4553. To Sg. from E. c. Hs. E.1/HP.6.6.32. re 20.HP. Alvis Speed Model. Referring to your memo Sg.13/E.2.6.32, I am passing the report on the above car to Hs. and I note the car tried was fitted with… | ||
| 04-page048 | Improving steering and arranging a trial of a 20-HP Alvis Speed Model. | ||
| View original record | (2) E.L/HP.6.6.32. springs which we have always found specially good in improving the steering. We can arrange for a trial of a 20-HP Alvis Speed Model locally, and I think it would be worth while to… | ||
| 04-page049 | Road test report on the 20 HP Alvis Speed Model. | ||
| View original record | ->Sg. Sg. to EH. Report on 20 h.p. Alvis Speed Model. GEX/KW30.5.32. I had an opportunity of trying this car over last week-end in order to get some impressions of a car of a sporting type that… | ||
| 04-page050 | Page two of a car performance review and comparison report. | ||
| View original record | - 2 - Cx/KW30.5.32. sports cars is not altogether necessary. The gear ratio on top is 4.55 to 1. The steering was one of the best features of the car, and at no time nor at any speed did one get the… | ||
| 04-page051 | Listing instructions for seventeen chassis and body sections for the 'Bensport' project. | ||
| View original record | XH553 R. FROM DA. DAL/M13.6.32. C. to SG. WOR. C. to HY. HS. E. re. BENSPORT. We believe that Derby have received from us instructions for the following sections : (1) Frame side members, dumb irons,… | ||
| 04-page052 | Progress report outlining vehicle sections that are complete, delayed due to lack of information, or awaiting a ruling. | ||
| View original record | (2) The following sections are well in hand, and will be available almost immediately: (18) Gearbox and change speed lever mechanism. (19) Pedals and clutch operation. (20) Dashboard and fittings… | ||
| 04-page053 | From 'R.' outlining five points regarding production considerations for the Bensport starter. | ||
| View original record | SC. WOR. } FROM R. R1/M14.6.32. C. to HS. BY. E. BENSPORT STARTER. ----------------- (1) Firstly, from a technical point of view I do not like making a new car with a crash starter pinion, but on this… | ||
| 04-page054 | Visit regarding the Bensport Engine, discussing blowers, drive systems, and engine support. | ||
| View original record | HS. ) FROM R. E. ) X4553 R4/MM5.6.32. Sent off 18.6.32. C. to SG. WOR. BY. re. VISIT OF HS. & E. TO WW. ON 14. 6. 32. re. BENSPORT ENGINE. BLOWERS. The two blowers were discussed and we think they… | ||
| 04-page055 | Design decisions regarding engine support, radiator type and support, carburetter placement, and front axle. | ||
| View original record | the engine crankchamber proper. The engine support and the torque will be taken by rubber surfaces which can be varied in degrees of hardness indicated by experiment. REAR ENGINE SUPPORT. The rear end… | ||
| 04-page056 | Modification to the front axle and steering tube for economical production and spares. | ||
| View original record | -3- of car (7.5") we found it was necessary and possible for the front axle and cross steering tube to be dipped in the centre another .5". We do not think this modification to the axle will be… | ||
| 04-page057 | Record of a telephone conversation discussing design proposals for the Bensport engine's camshaft and appearance. | ||
| View original record | K4653 E. FROM R. C. to SG. WCR. C. to RG. BY. HS. R1/M17.6.32. RECORD OF TELEPHONE CONVERSATION ON 17.6.32. re. BENSPORT ENGINE. I was in London yesterday with SG. and WCR. The most important part of… | ||
| 04-page058 | Engine design choices for the camshaft, supercharger, and other components. | ||
| View original record | -2- but better for lubrication. This takes the same head (the alternate one we have decided to make) with the camshaft rather out of centre with the engine, which will bring the vertical shaft fairly… | ||
| 04-page059 | Component choices including brakes, ignition, and accessories, along with commercial considerations. | ||
| View original record | -3- also be good for a damper, and you might as well dismiss the metal to metal surfaces from your mind. It is too involved, and will worry you too much in design before it is right, even if better… | ||
| 04-page060 | The Bensport engine, discussing increased compression ratios and solutions for camshaft over-running. | ||
| View original record | X4653 E. } FROM R. HS. } R1/M21.S.32. Sent off 29.8.32. C. to SG. WCR. BY. re. BENSPORT ENGINE. I conclude from your conversation, and the evidence of Bugatti and others, that you expect to be able to… | ||
| 04-page061 | Design changes for the Bensport engine, focusing on supercharger placement, gear train, and combustion chamber. | ||
| View original record | E. } FROM R. HS. } XH553 R1/M22.6.32. Sent off 29.6.32. C. to SC. WOR. BY. DA. BENSPORT. Owing to the complete change in our programme it would appear that the Bensport engine is likely to be a very… | ||
| 04-page062 | Technical memorandum confirming a phone conversation about modifications to the Bensport engine, including stroke reduction and supercharger placement. | ||
| View original record | E. ) FROM R HS. ) K4553 R1/M28.6.32. C. to SG. WOR. BY C. to DA. HOY. re. BENSPORT ENGINE. CONFIRMATION OF 'PHONE CONVERSATION OF 27.6.32. It is understood and agree that we wish to run at 5000 r.p.m.… | ||
| 04-page063 | Technical memo discussing engine component layout, gearbox positioning, and design alternatives for a chassis. | ||
| View original record | (2) The water and oil pump drives are at any convenient spot behind the dynamo, all of which are on the exhaust side. It was suggested by E. that we place the ignition tower centrally above the… | ||
| 04-page064 | Parts for the 'Bensport' project, clarifying the non-use of the Peregrine front axle and requesting spring specifications. | ||
| View original record | [Handwritten]: Y4553 [Start of typed distribution list, first 4 recipients struck through in red] DH Mr. P Mr. Sg Mr. B [End of struck through list] c. Hg. BY.7/G.15.6.32. RE: BENSPORT. With reference… | ||
| 04-page065 | Proposed modifications to the Bensport Engine to reduce critical vibration. | ||
| View original record | X4553. To W: from E. E.2/HP.30.6.32. ------------ c. Sg. TDR. Hs. Hy. re Bensport Engine. ------------------ With the Bensport stroke shortened from 4.125 to 3.875, and with 2" dia. crankpins, and… | ||
| 04-page066 | List of six points comparing design and material choices, such as aluminium versus cast iron, for engine construction. | ||
| View original record | - 2 - E.2/HP.30.6.32. are:- (1) Greater rigidity. (2) Extra weight not so much as on Peregrine, due to simplicity of cylinder casting, all camshaft gear being on head. (3) Aluminium construction… | ||
| 04-page067 | Proposed changes to the 'Bensport' engine size in relation to the 'Peregrine' engine and racing regulations. | ||
| View original record | PER BAG. Sg. From Hs/Gry. c. to PN. c. to W.R. c. to E.H. c. to S. Hs/Gry./1/MA.1.7.32. BENSPORT ENGINE SIZE. The Peregrine engine with a bore and stroke of 2.725 x 4.125 has a capacity of 2364 cc.… | ||
| 04-page068 | Engine capacity modifications and design considerations for the 'Bensport' model. | ||
| View original record | Y4553 To R. from E. E.2/HP.2.7.32. c. Sg. Mor. Hs. re Bensport. ------------ The reduced capacity of the Bensport with 3.875" stroke is 2220 cc., or 6% less than Peregrine. Hs/Gry. has, however,… | ||
| 04-page069 | Proposing to increase the Bensport engine capacity to 2290cc, considering competition rating and tax implications. | ||
| View original record | Hs II RECEIVED Y4553. To R. From Eg. re Bensport Engine Size. Sgl/E4.7.28 Copy to Mr. S. Rg. I was rather concerned to see the suggestion about reducing the stroke of this engine and thereby reducing… | ||
| 04-page070 | Design specifications for the Peregrine and Bensport engines, focusing on shared components and supercharging. | ||
| View original record | V4553 To Sg. from E. c. Wor. Hs. By. rePeregrine and Bensport. Regarding your enquiry of this afternoon, I had some discussion with R. re size of Bensport, and he feels strongly that Peregrine and… | ||
| 04-page071 | Design points and modifications for the Bensport Engine. | ||
| View original record | HS. } FROM R. E. } X4853 R5/M7.7.32. C. to SG. WOR. BY. DA. BENSPORT ENGINE. This has worried me greatly during the past fortnight, as regards where the supercharger ought to be, the convenience for… | ||
| 04-page072 | Modifications and considerations for a supercharger, engine position, clutch pit, and fan. | ||
| View original record | (2) (6) Regarding the supercharger I had thought that the Powerplus was particularly liable to be damaged by backfires, and I am intensely relieved to hear that this is an unknown trouble with this… | ||
| 04-page073 | The bore and stroke dimensions for the Peregrine and Bensport engines. | ||
| View original record | To E. from Sg. Copy to Wor. Ha. BY. X4553 E.4027 X.4958 Re Peregrine and Bensport. Sg4/B7.7.32. I hope that we have not definitely decided to the satisfaction of all concerned exactly what the bore… | ||
| 04-page074 | Decrease of the Peregrine engine stroke to ensure parts interchangeability with the Bensport engine. | ||
| View original record | Xy 583 To Sg. from E. E.1/HP.8.7.32. C. for Mr. Hr. X4027 re Peregrine and Bensport. In reply to your memo Sg.4/L/7.7.32, I agree that it is most regrettable that we should have to decrease the stroke… | ||
| 04-page075 | Engine modifications, fan drive, and clearance for the Bensport model. | ||
| View original record | XW 583 To bmr. from E. c. W. Sg. For. Hs. E.4/Hr.12.7.32. re Bensport. We send you herewith a print of Lec.3146 showing the Bensport engine moved 3" forward in the frame, and the steering box moved 1"… | ||
| 04-page076 | Proposals for the engine stroke, crankshaft, and other components for the Peregrine and Bensport models. | ||
| View original record | X4553 To Sg. Wor.} from E. c. Hs. By. PN. E.4HP.13.7.32. I.4027 X.4553 re Peregrine and Bensport. We had some conversation with R. this afternoon, during which he discussed the question of what stroke… | ||
| 04-page077 | Technical notes discussing the change mechanism, rear axle, supercharged engine testing, and camshaft drive design. | ||
| View original record | -2- Hdy. is working on the scheme for thr right hand change mechanism. With regard to the rear axle, it is understood that Da. is producing a design for the double shoes. With further reference to… | ||
| 04-page078 | Design issues with a supercharger drive and steering box fouling, which is halting chassis and body work. | ||
| View original record | X4553 E. FROM DA/EV. DA/EV1/15.7.32. C. to R. SG. WOR. HS. BENSPORT. In confirmation of our telephone conversation yesterday re. your E4/HP12732, and Lec. 3146, showing a quarter scale layout of the… | ||
| 04-page079 | Strongly worded internal memo objecting to the tone and content of a previous communication regarding design disagreements. | ||
| View original record | X4553. De/EV. from E. c. H. Sg. Vor. Hs. Hy. E.9/HP.19.7.32. Bensport. We strongly object to the tone of your memo De/EV.l/M.15.7.32 received yesterday, and the manner in which you endeavour to… | ||
| 04-page080 | Comparing the 'Peregrine' and 'Bensport' engines based on road and test bed experience. | ||
| View original record | SECRET. X4553 To H. From Hs. c. to Sg. Wor. c. to E. By. Hs.2/WJ.19.7.32. 'PEREGRINE' & 'BENSPORT'. X4037 Now that we have had fair experience with the 'Peregrine' complete car on the road and the… | ||
| 04-page081 | Supercharged car design, comparing front vs side blower positions and the 'Peregrine' vs 'Bensport' engines. | ||
| View original record | -2- Ha.2/WT.19.7.32. Cont'd. produce a supercharged car which will take a covered body and have reasonable silence we should have achieved something which so far has not been done and should attract a… | ||
| 04-page082 | From a conference detailing plans to create a workable mock-up of a supercharged Bensport engine and associated design considerations. | ||
| View original record | SG. FROM R. R2/M22.7.32. C. to WOR. HS. BY. E. DA. BENSPORT ENGINE. CONFERENCE AT WW. THURSDAY JULY 21 PRESENT SG. R. W.R. HS. E. It was decided that we should at once try a Peregrine engine with a… | ||
| 04-page083 | Technical note on the design of back axles for the Peregrine and Bentley sports models. | ||
| View original record | -2- It was estimated that the back axle having 25% more teeth in the pinion will enable it to better meet the increased torque developed by the supercharged engine. The two back axles will be brought… | ||
| 04-page084 | Notes of a conference held at West Wittering discussing the future 'Peregrine' car. | ||
| View original record | Copy to all present at conference and to DA. and HDY. Sg/E22.7.32. Y vast. X.4027 X.4553 Notes of conference held at West Wittering 21st July 1932. PRESENT: R. Wor. E. Hs. Sg. The question of the… | ||
| 04-page085 | Conference notes discussing design decisions for the Bensport and Peregrine models, including axles, engines, and potential faults. | ||
| View original record | Notes of Conference - cont'd. I think Hs. expressed this view also). If, as I understood at the conference, the back axle casing of Bensport is going to be larger or in any way difference from… | ||
| 04-page086 | Increase in wheelbase for the 'BENSPORT' model due to supercharger placement. | ||
| View original record | Y4553 E. HS. } FROM R. RI/MIO. 8.32. C. to SG. WOR. DA. HDY. re. BENSPORT. Owing to the supercharger now being in front of the engine, and the difficulties with the pedals, we have decided to increase… | ||
| 04-page087 | Progress report on the Bensport chassis, detailing challenges with the engine, supercharger, and fan drive design. | ||
| View original record | HS. BY.} FROM R. C. to SG. WOR. DA. HDY. Bensport Progress. I am afraid we are making very slow progress with the Bensport chassis, partly due to the fact that at WN. we have not a drawing of the… | ||
| 04-page088 | Revised 'Bensport Layout' drawing, detailing unchanged parts and a new engine position. | ||
| View original record | X4583 BY. FROM DA. C. to SG. WOR. HS. E. DA3/M18.8.32. BENSPORT LAYOUT. Herewith is N.sch. 3516 shewing the revised layout which supersedes N.sch.3477. From this you will be able to order the frame… | ||
| 04-page089 | Sending a schematic for a Bensport layout with an overhead camshaft engine. | ||
| View original record | BY. FROM EV. C. to SG. WOR. HS. E. BENSPORT. 14583 EV1/M20.8.32. We send herewith N. sch. 3525. shewing the layout of Bensport with the overhead camshaft engine. We realise that is now obsolete, but… | ||
| 04-page090 | Engine performance and design from the T.T. race, focusing on Riley, Alfa, and M.G. cars. | ||
| View original record | X 4583 To R. from E. E.11/HP.24.8.32. c. Sg. For. Hsi-By. re T.T. Race. In the T.T. race of last Saturday it is interesting to note that the winning Riley engines fitted with push rod valve gear… | ||
| 04-page091 | Engine options for the T.T. Race, comparing the Bensport and Riley models. | ||
| View original record | X.4783 E. } FROM R. HS. } R2/M31.8.32. C. to SG. WOR. BY. re. T.T. RACE. Regarding your E11/HP24832, and the good behaviour of the push rod engines, it looks as though we ought to get through with the… | ||
| 04-page092 | List of components and instructions for the BENSPORT project, detailing parts for Derby and Peregrine. | ||
| View original record | X4553 R. FROM DA. DAL/M3.9.32. C. to SG. WDR. BY. HS. E. re. BENSPORT. We believe that Derby have received from us instructions for the following sections. (1) Frame side members, dumb irons, spring… | ||
| 04-page093 | Status report listing outstanding sections and details awaiting a ruling on vehicle components. | ||
| View original record | (2) (c) Carburetter} (d) Engine suspension (front). The following sections are outstanding: (19) Gearbox & change speed lever mechanism (in hand). (20) Pedals and clutch operation (in hand). (21)… | ||
| 04-page094 | Outstanding items for the 'Bensport' project, including steering and engine components. | ||
| View original record | x 4353. BY16/W.9.9.32. Re: Bensport. Referring to DAL/W.3.9.32, we agree the position of "Bensport" is as indicated with the exception of the following additional items outstanding:- (1) Hydraulic… | ||
| 04-page095 | Expressing concerns about the S.U. carburetter's reliability and potential fire risk on the 'bensport' engine. | ||
| View original record | HS ) FROM R. E. ) X4853 R1/104.9.32. X.1487 X.4853 C. to SG. WOR. BY. S. U. CARBURETTER. It will be remembered that I am not greatly impressed with the S.U. carburetter, but I pass the modifications… | ||
| 04-page096 | The design progress and issues found during preliminary testing for the Bensport project. | ||
| View original record | 84553 To L.C.N. from E. E.V/HP.21.9.32 c. Hs. By. RMC. re Bensport. The design instructions issued for Bensport are now sufficient to enable the Drawing Office to go ahead and instruct an engine… | ||
| 04-page097 | Preliminary results of fitting a supercharger to a Peregrine engine. | ||
| View original record | X4553 Sg. From Hs. c. to Nor. c. to Sw. c. to Gr. c. to Ok. c. to Su. c. to By. Ha.1/M.30.9.32. Re. BENAPORT. The position of the Benaport engine is that we have run short preliminary tests by fitting… | ||
| 04-page098 | Difficulties and considerations of using superchargers on their engines. | ||
| View original record | -2- Hs.1/D.S.J. 9.5.32. Cont'd. (1) There may be difficulties over the royalty. (2) The temperature rise across the blower is excessively high. (3) It is essential to have oil in the petrol. (4) It is… | ||
| 04-page099 | Continued report on a proposed J.I. engine car, discussing its performance, costs, and market strategy. | ||
| View original record | -2- Br.I/W.W.S.S.32. Cont'd. The alternative car with J.I. would be an engine of proved reliability and quality. It would give the same power but would do it in a very much pleasanter way. Fitted to… | ||
| 04-page100 | Proposing the use of the J.1. engine in the Bensport chassis, with performance comparisons. | ||
| View original record | To AG. {HOR.} from E. N.4/Hr.6.10.32. C. C. GX, Hn, FN, BN, BX. re Bensport. From conversations we have had with Hn. regarding the requirements of the Bentley Co's clientele, we should agree that the… | ||
| 04-page101 | Engine and starter motor modification requirements, including crankcase, flywheel, and oil system details. | ||
| View original record | - 2 - E.4/HP. 6.10.32. ---------- except for perhaps adjustment of back axle ratios. The J.1. engine would require modified crankcase patterns for smaller diameter flywheel, road clearance, and… | ||
| 04-page102 | Strategy for gaining approval to put a J.1 engine into a Bensport chassis. | ||
| View original record | Hs X4553. To Wcr. from Sg. re Bensport. Sg13/E7.10.32 Copy to Hs. Referring to Hs.1/MA.30.9.32 and our lengthy discussion on the subject yesterday, I was thinking afterwards that, before we act on the… | ||
| 04-page103 | Engine options for the 'Bensport' model, comparing the J.1. engine with a supercharged Peregrine. | ||
| View original record | 84553 E. ) FROM R. HS. ) R3/M24.10.32. C. to SG. MOR. BY. BENSPORT ENGINE. I quite agree (and nearly added to my last memo. on this subject) that failing a blower we must change the idea of the… | ||
| 04-page104 | Blower design, comparing Roots type, drive mechanisms, and gear configurations. | ||
| View original record | (2) Roots type has been neglected by us, and suffers from the disadvantage of being difficult to obtain. We still think however that if we went to David Brown's with out requirements they might be… | ||
| 04-page105 | Modifications for the Bensport gearbox and J.I. engine, focusing on clutch, flywheel, and engine mounting. | ||
| View original record | X 4553 To E. From Hs/Rm. Hs/Rm.8/KT.24.10.32. BENSPORT. Now that we have got some agreement on the Bensport with the J.I. engine, there are three points which we should like to raise. (1) We are… | ||
| 04-page106 | Technical note on the requirement for a flexible exhaust connection due to a 'flappy' engine mounting. | ||
| View original record | -2- Hs/Rm.8/KT.24.10.32. (3) When we get the flappy engine mounting we shall want a flexible connection to the exhaust system, or some means of taking up the relative movement between the exhaust… | ||
| 04-page107 | Progress report on the 'Peregrine' and 'Bensport' projects, detailing chassis modifications and engine development issues. | ||
| View original record | X4553 WGR. from E. K.3/HP.25.10.32. c. Hs. Bv. RHC. re Peregrine and Bensport. Referring to your memo OR.2/T.24.10.32, a meeting was held of BY, RHC and E. and the following report was made out:… | ||
| 04-page108 | Pressing for more information to fix a completion date for the first chassis. | ||
| View original record | - 2 - E.3/HP.25.10.32. We are pressing WW. for these items, as until more information is available we cannot fix on the date for the completion of the first chassis. E. | ||
| 04-page109 | Progress report on the Peregrine and Bensport projects, detailing testing, modifications, and production readiness. | ||
| View original record | X4553 To Wor. From Hs. Hs.4/MJ.26.10.32. POSITION OF PEREGRINE & BENSPORT. X402 PEREGRINE. We are making all arrangements that Peregrine No.2 will leave Derby on Friday November 4th. for France. This… | ||
| 04-page110 | Status update on the completion of a car body and gearbox for a Bensport model. | ||
| View original record | -2- Ha.4/MJ.26.10.32. Cont'd. The body is finished and is available any time we require it. The longest job is the gearbox, which is at F.W. We have spoken to Hoy on the phone and he has promised to… | ||
| 04-page111 | Letter discussing modifications to the J.I. engine for a Bensport application, including details on the starter ring, flywheel, and radiator. | ||
| View original record | To Hs. from E. XC 553. E.6/HP.26.10.32. C.R. Sg. Hsr. Ms. By. re Bensport J.I. We send you herewith a print of LeC.3256 showing the starter ring, rear crankcase flange, rear crankshaft flange,… | ||
| 04-page112 | Note regarding ground clearance, the crankcase design, and the need to raise the chassis or transmission line. | ||
| View original record | - 2 - E.6/HP.26.10.32. Reverting back to the ground clearance mentioned in an earlier part of the note, the crankcase cannot be made any less shallow, and if 6" is not considered enough it will be… | ||
| 04-page113 | Responding to technical queries on the Bensport J.1 model, covering engine mounting, fuel system, and body modifications. | ||
| View original record | X4553 To Ba/HV. from E. E.2/HP.27.10.32. C. Hs. Hy. Da. re Bensport J.1. In reply to your memo Da/EV.2/M24.10.32, please note the following remarks concerning the items you raise: (1) We are not… | ||
| 04-page114 | Fragment discussing the reduction of wind resistance. | ||
| View original record | - 2 - E.2/HP. 27.10.32. in which the wind resistance is very much trimmed down. E. | ||
| 04-page115 | Blueprints and design modifications for the Bensport J.1 unit. | ||
| View original record | 84523 To Ba. from E. E.7/HP.29.10.32. C.R. Se. For. Hs. Hy. By/EV. re Bensport J.1. With our previous memo K.6/HP.26.10.32. we sent you a blueprint of LeC.3256 dealing with the modifications for the… | ||
| 04-page116 | Future development, production, and potential modifications for the Bensport engine. | ||
| View original record | XH553 SG. } WOR. } FROM R. R1/M2.11.32. HS. } BY. } E. } BENSPORT ENGINE. ---------------- Firstly, I should like a conference to take place between WOR., HS., BY., and E., as to what is to be done to… | ||
| 04-page117 | The revised layout for fitting a J. 1. engine into a Bensport frame, involving a raised frame and modified front axle. | ||
| View original record | BY. FROM DA. X4553 DA2/M4.11.32. C. to SG. WOR. HS.E. BENSPORT WITH J. 1. ENGINE - REVISED LAYOUT. We have put the J. 1. engine into the Bensport frame, and send herewith R.ech.3579., shewing the… | ||
| 04-page118 | Merits of using the J.I versus the J.II engine for the new Bentley 'Bensport' car. | ||
| View original record | H3 84553 To R. from Sg. re Bensport Engine. Copy to Wor. Hs. ~~Blr-Er~~ Referring to R1/M2.11.32 I was at Derby on Wednesday and this matter was discussed in conference. One of the main attractions of… | ||
| 04-page119 | Merits of using a new unproven engine unit versus a tested and proven one for the Bentley market. | ||
| View original record | To R. from Sr. the Bentley market and, therefore, to use your words, the Commercial Department would prefer to have a trial flutter with it as it is and see how it sells. We can always improve it and… | ||
| 04-page120 | Modifications for fitting an existing J.1 engine unit into the first Bensport chassis. | ||
| View original record | Y4583. To H.C. from E. E.10/HP.8.11.32. c. [redacted] re Bensport J.1. - Existing engine unit. Rear engine torque arms. We send you herewith LeC.3269 showing a scheme enabling you to deal with the… | ||
| 04-page121 | Urgent commencement of the Bensport chassis project, potential delays, and the competitive need for its completion. | ||
| View original record | X4553 To R. From Hs. o. to Hc. Wor. c. to R. Da. d. to By. Hdy. Hs.1/WJ.8.11.32. "BENSPORT". We are now commencing to put together the Bensport chassis. We do not think this should take us very long… | ||
| 04-page122 | Comparing the 'Bensport' car with a new 8-cylinder Ford and discussing the J.1 engine's suitability. | ||
| View original record | -2- He.1/M.S.11.11.32. Cont'd. The nearest approach in performance to the Bensport is the new 8 cyl. Ford. The engine of this car is the same capacity as J.1 i.s. 3600 cc's. The weight of the complete… | ||
| 04-page123 | Outlining the plan and component references for building a Bensport chassis. | ||
| View original record | 80553 EHC. From Hs/Rm. C. to E. H. HS/Rm.1/MA. 8.11.32. BENSPORT CHASSIS. We should like to start to build this chassis as soon as possible. The information available in the form of schemes seems to… | ||
| 04-page124 | Sourcing and fitting of brakes, suspension, and engine components for a chassis. | ||
| View original record | -2- Hs/Rm.1/W.4.8.11.32. Chat'd. Brakes. These will have to be coupled to the 25 HP. servo in some way, using peregrine equaliser parts as far as possible. Shock Absorbers. J.lll type exactly similar… | ||
| 04-page125 | Meeting notes detailing the component specifications for the Bensport J.1 chassis. | ||
| View original record | 84553 To EGR. from E. E.6/HP.9.11.32. c. Hs. By. HHC. Mm. X2934 re Bensport J.1. A meeting was held of Hs. By. HHC. Mm. and E. in connection with the specification of the above chassis, and the… | ||
| 04-page126 | List of specifications and modifications for components of the J.1 engine. | ||
| View original record | - 2 - inlet valves, and sparking plug pushed in nearer to the combustion space .1". Instructions for this will be squared up this week. (7) Cylinder Block. There is a special cylinder block for J.1.… | ||
| 04-page127 | Specification sheet detailing the design and components for a new engine, including the fan, oil system, and exhaust. | ||
| View original record | - 3 - (12) Fan. - A small fan will be used on Bensport J.1. and this may be the same as that used on the Peregrine. (13) Oil Relief Unit.- The standard 20/25 oil system will be used having one relief… | ||
| 04-page128 | Design and status of various vehicle components. | ||
| View original record | (4) E.6/HP.9.11.32. The first engine unit have been issued to LoC. 3269 but an alternative scheme will be required for the final design, cutting out the steel tube extensions of the crankcase, with a… | ||
| 04-page129 | Specification for wire fittings, stating the standard 20/25 ignition coil will be used. | ||
| View original record | - 5 - E.6/HP.10.11.32. (31) Wire Fittings. - The standard 20/25 ignition coil will be used. E. | ||
| 04-page130 | Dimensional change for the engine position on the Bensport J.1 chassis. | ||
| View original record | To BY. from E. c. Ha. Hs. P. R/HV. re Bensport J.1. In connection with fixing the position of the engine relative to the frame on Bensport J.1. would you please note it is agreed with De. that the… | ||
| 04-page131 | The sections of drawing LeC.3267 for the Bensport J.1. Engine. | ||
| View original record | K-4-S553 To EY. E/JNR.1/HP.17.11.32. c. for. Hs. re Bensport - J.1. Engine. Please receive herewith drawing - LeC.3267. This is a comprehensive drawing of the engine, and deals with the following… | ||
| 04-page132 | Modifications for an Experimental Bensport Chassis using an existing Japan 1 unit. | ||
| View original record | X. 3455 To WHC. from E. E.1/HP.19.11.32. C. for. Hs. Bv. Ea. Fw/MY. re Experimental Bensport Chassis with existing Japan 1 unit. We send you herewith an advance print of Lec.3280 showing the amount of… | ||
| 04-page133 | Additions to a chassis drawing, the brake servo, and the installation of the power unit. | ||
| View original record | - 2 - E.1/HP.19.11.32. We are going ahead to add further information to the chassis drawing, and we propose next to deal with the question of the brake servo. Up to the moment we think there is enough… | ||
| 04-page134 | And correcting specifications for the body and frame of the first Bensport car. | ||
| View original record | TO HS/LID, FROM EV. X/588 EV/8/25.11.32. Copy to BY. E. Re. BENSPORT. FIRST CAR. We thank you for your memo Hs/Lid.5/MA.13.11.32. asking for a specification of the chassis as far as the body… | ||
| 04-page135 | Design review and update memorandum on vehicle components including springs, steering, bonnet, radiator, and dashboard. | ||
| View original record | -2- and the transmission centre line. The position for the centre line of No.6 cyl. from the back of the dash measured up the transmission line should be 3.650 ins. and not 3.700 ins. SPRINGS. Detail… | ||
| 04-page136 | Specification list for vehicle components including axles, wheels, steering tubes and crossmembers. | ||
| View original record | -3- FRONT AXLE. It has now been agreed that this can be exactly the same as Per.2. REAR AXLE. This is the same as Per.2, with the exception of the use of 10 x 41 gears. The large brake drums… | ||
| 04-page137 | Specification sheet detailing various components and sourcing for a car build. | ||
| View original record | -4- HEADLAMPS ETC. We have order up 3.160.S.E.D. The brackets are the same as for Per.2 except for length. Their position is given on N.sch.3487. We shall later change these for a special lamp we are… | ||
| 04-page138 | Concluding page of a specification anticipating trouble mounting a body from Messrs Park Ward. | ||
| View original record | -5- We hope that this specification has covered the main items. We quite anticipate that there will be some little trouble with mounting this body, so the writer is arranging for Messrs Park Ward to… | ||
| 04-page139 | More advanced print of the Experimental Bensport J.1. Chassis, noting specific features like pedal plates, levers, and brake ropes. | ||
| View original record | To RHO. from R/JNR. c. Wor. Ha. Br. Re Experimental Bensport J.1. Chassis. We send you herewith a further print of Lec.3280 which is in a far more advanced state than the previous one we sent you. We… | ||
| 04-page140 | Status update on outstanding design jobs for the Peregrine and Bensport models. | ||
| View original record | Copy 84553 To Wox, from Z. E.1/MP.1.12.32. c. Mr. Ellor, R.W.C. K4057 re Peregrine and Bensport. With regard to Peregrine, we are at the moment advised M.I. the question of moving the steering box… | ||
| 04-page141 | Status update on the progress of Engine Torque Arms and Tachometer Drive. | ||
| View original record | -2- A.1/MP.1.11.32. ---------- (e) Engine Torque Arms. In hand. (f) Tachometer Drive. Nearly ready. It is anticipated that all the above will be cleared up by the end of next week. | ||
| 04-page142 | Arrangement of the experimental Bensport J.1. chassis and its brake system. | ||
| View original record | K4553 To Ha/Rm. from E/JNR. E/JNR.2/HP.3.12.32. Experimental Bensport J.1. Chassis. We send you herewith: LeC.3280 - showing the completed arrangement of the chassis. The servo and brake differentials… | ||
| 04-page143 | Work in progress report concerning the Bensport brake gear and exhaust system. | ||
| View original record | EXTRACT FROM: R. FROM DA: XJ53 DAL/M6.12.32. WORK IN PROGRESS - 6.12.32. BENSPORT BRAKE GEAR. We have nearly completed this. The pedal stops and pull springs are now being done, and this is the last… | ||
| 04-page144 | Performance impression of a 2 1/2 litre engine model and comparison with a larger 3660 c.c. engine. | ||
| View original record | -3- EV2/7.12.32. cont'd. The general impression was that the model has considerably improved since it first came out and that the performance is extremely good for a 2 1/2 litre engine. 2511 c.c.… | ||
| 04-page145 | Trial run report and comparison of a Thrupp & Maberly four-door saloon on an Alvis Speed Twenty chassis. | ||
| View original record | Y.H.592 TO SG. FROM EV. COPY TO WORK HS. E. HN. THRUPP & MABERLY FOUR DOOR SALOON. ALVIS SPEED TWENTY. I was able to have a trial run on one of the above cars. It was not known that I am connected… | ||
| 04-page146 | Road test report commenting on a vehicle's performance, comfort, build quality, and pricing. | ||
| View original record | -2- EV2/7.12.32. cont'd. The instrument board, which is equipped with a 5.00 ins. dial speedometer and tachometer such as we are proposing to use is such that the driver cannot reasonably be expected… | ||
| 04-page147 | Chassis arrangement and modifications for an Experimental Bensport Chassis. | ||
| View original record | To Da. from E. c. Sr. Wdr. Hs. Br. re Experimental Bensport Chassis with existing Japan I engine unit, and 20/25 gearbox. We send you herewith blueprint of LeC.3280 showing the chassis arrangement… | ||
| 04-page148 | Confirming the fitment of a steering wheel and controls to the Bensport 1st Chassis. | ||
| View original record | X4553 To M.G. from E. E.5/HP.30.12.32. c.c. By, Hs, De/IV. re Bensport 1st Chassis with existing J.l. unit. This confirms that you will fit steering wheel and controls to N. Sch. 3544 for the above… | ||
| 04-page149 | Specification for the Bensaport J.I. chassis. | ||
| View original record | A. Dept D. Dept C. HS C. ES HY/BS8/N.30.11.32. Re: BENSAPORT J.I. CHASSIS - SPECIFICATION. ------------------------------------- We are handing you herewith the specification for the Bensaport J.I.… | ||
| 04-page150 | Chassis specification sheet for the Bensport J.I. (B.3) model. | ||
| View original record | BENSFORT J.I. (B.3) CHASSIS SPECIFICATION. 1st.Car - Sports Saloon to N.Sch's 3478 and 3487. 2nd.Car - Sports Open Tourer - N.Sch.3479. These schemes do not show the 2.000 increase in Wheelbase.… | ||
| 04-page151 | Specification sheet detailing various engine components and their design references. | ||
| View original record | Section Description Design Carburetter. Two S.U.carburetters 1.375 dia. An air silencer & cleaner will be required. Camshaft. Inlet and Exhaust cam form .990 base circle for cam form. Eccentric… | ||
| 04-page152 | Specification sheet listing various vehicle components and their corresponding design reference numbers. | ||
| View original record | Section: Description. Design. Exhaust Fittings: Existing 40/50 type manifold in C.I. No sliding joint in pipe to silencer. Silencer suspended on links. Engine Controls: For two S.U. carburetters. No… | ||
| 04-page153 | Specification sheet listing various vehicle components with their descriptions and design numbers. | ||
| View original record | Section. Description. Design. Propeller Shaft Front End. N.Sch.3609 & Universal Joints. Rear Axle. Peregrine parts with 10/41 ratio N.Sch.3577 gears. Pinion housing modified to Rear Brakes. 14" dia.… | ||
| 04-page154 | Specification sheet detailing various components and their design schemes for a vehicle. | ||
| View original record | Section: Steering Column & Box. Description: Peregrine Column and Box. Length to suit. 18" diameter steering wheel & controls. Steering support. Design: N.Sch.3544 N.Sch.3528 Section: Side Steering… | ||
| 04-page155 | Specification sheet for vehicle components including the instrument board, battery box, and headlamps. | ||
| View original record | Section. Description. Design. Instrument Board. Supplied with body complete with Smiths instruments. R.R. will supply layout. Battery Box. Peregrine battery and box with modified rear bracket.… | ||
| 04-page156 | Modifications to improve the Bensport engine's power output for a saloon car. | ||
| View original record | To R. From Ha/Rs. F to SS. Nor. c to A. AV. c.to DA. Hdy. Ha/Rs.1/AT.11.1.33. BENSPORT POWER OUTPUT. The specification for the saloon car was that it should have a lap speed on Brooklands of as near… | ||
| 04-page157 | Results of engine modifications on power output and considerations for reliability under road conditions. | ||
| View original record | -2- Hs/Rs.1/XT.11.1.33.cont'd gives exceedingly satisfactory results, as will be seen from the power curve (2), as it raises the B.H.P. at 4250 r.p.m. by about 15, without dropping the M.E.P. at 1000… | ||
| 04-page158 | Performance graph detailing improvements to the J1 engine's power output for the Bensport car. | ||
| View original record | IMPROVING J1 POWER OUTPUT FOR BENSPORT CAR S.U.C/B 2, 1.625 THROTTLED DIA S.U.S. OPEN EXHAUST C.13. UNIT CYL. HEAD TO L.S6504 BALANCE PASSAGE BETWEEN TWO HALVES OF INDUCTION PIPE 1.062 DIA. Graph Key:… | ||
| 04-page159 | Blueprint detailing modifications to a cylinder head. | ||
| View original record | V1452 CEILING TO BE LOWERED INLET. EXHAUST. TO BE TREPANNED ON THE INLET SIDE NOTE .100 IS TO BE MACHINED OFF CYLINDER HEAD FACE. SECTION A.A. 1.10R 1.00R 1.700 0.1 IN MODIFICATION TO CYL. HEAD… | ||
| 04-page160 | Further test involving machining the lips of a combustion chamber, which resulted in no noticeable gain in power. | ||
| View original record | E. from Hs/Rm. Y 4553b. Hs/Rm.12/KT.11.1.33. POWER OUTPUT. BENSPORT. Further to our Hs/Rs.1/KT.11.1.33. We carried out a further test which we have not mentioned in this report which consisted of… | ||
| 04-page161 | Blueprint showing modifications to a cylinder head for Bensport J.I. | ||
| View original record | VH452 CEILING TO BE LOWERED INLET. EXHAUST. TO BE TREPANNED ON THE INLET SIDE. NOTE .100 IS TO BE MACHINED OFF CYLINDER HEAD FACE. SECTION A.A. 1.10R 1.00R (1.40 approx) 1.700 O/H MODIFICATION TO CYL.… | ||
| 04-page162 | List of drawings issued for the first experimental Bensport chassis. | ||
| View original record | Y 4 5 5 3. To BT. from E. E.1/HP.12.1.33. c.c. Mr. Her. Hs. Hr. 1st Experimental Bensport Chassis. ---------------------------- The following is the list of drawings that have been issued in producing… | ||
| 04-page163 | Index page listing documents for double valve springs, tappet spring, and axle position layout. | ||
| View original record | - 2 - E.1/HP.12.1.33. * LeC.3297 - Double Valve Springs & Tappet Spring. 3290 - Layout showing axle position. E. | ||
| 04-page164 | Progress and plans for the Peregrine and Bensport chassis. | ||
| View original record | X4553 To MOR. from E. E.8/HP.17.1.33. c. Hs. By. HHC. N057. X4553. re Peregrine and Bensport. In answer to your memo Wor.1/T.14.1.33, a meeting was held of Hs. By. HHC. and E. to confirm the position… | ||
| 04-page165 | Progress report on the Peregrine and Bensport car projects, detailing road tests and development status. | ||
| View original record | 84553 To Wor. From Hs. Hs.1/MJ.18.1.33. PEREGRINE & BENSPORT. (x-or). Peregrine. We have completed about 20,000 miles on the road on three Peregrine cars. This includes 12,000 miles in France. The… | ||
| 04-page166 | Road test and performance review of a new car with a mock-up engine unit. | ||
| View original record | r + 553 To H. From Hs. c. to Sg. Hor. c. to Da. Da. c. to By. Hdy. Hs.C/MJ.23.1.33. BENTFORT. Dm. and myself went to W.M. and back on this car last Friday. This car, as it is with a mock-up J.1 unit,… | ||
| 04-page167 | The final weight of a car and the estimated time for completion. | ||
| View original record | -2- No.6/WL.23.1.33. Cont'd. The complete car full of petrol, water, oil, spare wheels, ready for the road weighs 30 3/4 cwts. which we think is very good. We expect it will be approximately two… | ||
| 04-page168 | The 'Bensport' car, discussing modifications, performance, and its production timeline. | ||
| View original record | To R. From Hs. c. to Hg. Wor. c. to E. By. c. to Ds. PM. BENSPORT. Since we had this car at T.S. last week we have modified the steering column to be correct for the seating position and also modified… | ||
| 04-page169 | Production of the proposed Renaport car using existing parts and its exhibition at Olympia. | ||
| View original record | -2- Hu./CLL.27.1.33. Cont'd. the later production. The proposed Renaport whilst being an extraordinary good motor, is the most economical car we can produce because the car will be built almost… | ||
| 04-page170 | The 'Bensport' proposition and the decision not to delay its launch for a new gearbox. | ||
| View original record | To Wos. from Sg. Copy to Hs. re Bentley Sg13/E30.1.33 Very many thanks for your memo. of Friday. My visit to R. by a coincidence was very timely as it enabled me to discuss this matter with him, and… | ||
| 04-page171 | Strategy and specifications for the 'Bensport' car project. | ||
| View original record | To Wor. From Hs. c. to Sg. Hs.1/WJ.31.1.33. BENSPORT. If we decide to go ahead at once with the Bensport car we should like to get it clear what we hope to achieve, and on what lines we should work.… | ||
| 04-page172 | Recommendation on the company's manufacturing ethos, prioritizing quality over price. | ||
| View original record | -2- Ha.1/ML.31.1.33. Cont'd. Our recommendation is that we should make the car as good as we know how and then charge accordingly. It is very much easier for us to make a thing good than it is for us… | ||
| 04-page173 | Urgent testing at Brooklands and delivery of the 'Bensport' car to France. | ||
| View original record | X4553. To Hs. from Sg. re Bensport. Copy to Wbr. Sg5/E2.2.33 Would you please let me know how soon you will be able to get this car to France? I was pleased to hear that it was going to Brooklands… | ||
| 04-page174 | Sg to Hs regarding 'Bensport', noting that a recent discussion has rendered a formal reply unnecessary. | ||
| View original record | X cf S53. To Hs. from Sg. re Bensport. Sg4/E2.2.33 Copy to Wor. Referring to Hs.1/MJ.31.1.33 I presume that this was written prior to our conference and discussion last Xxxxxx Tuesday afternoon. Such… | ||
| 04-page175 | Travel arrangements for the 'Bensport' car to France. | ||
| View original record | X4553. To Sg. From Hs. c. to Wor. Hs.2/WJ.4.2.33. Re. Bensport. Replying to Sg.5/E2.2.33. Bensport car will be leaving for France either on Thursday or Friday next (the 16th. or 17th.inst.). Rm. will… | ||
| 04-page176 | Performance tests of the 'Monsoon' car at the Brooklands track. | ||
| View original record | To R. from Ha/Ma. c. C. Mr. Wor. c. S. Mr. Ha. c. O. Mr. HY. c. C. Mr. Hives. MONSOON. BROOKLANDS TESTS. We had this car on the track on the 2nd. inst. The weather was excellent. In the condition as… | ||
| 04-page177 | Oil leaks from the clutch pit and a comparison of losses in the exhaust system. | ||
| View original record | -2- Hs/Rs.7/TLT.6.2.33. There were bad oil leaks from the clutch pit (rear main bearing) and various other points on the unit, due, we think, partially to the absence of the carburettor air intake… | ||
| 04-page178 | Tests concerning steering feel and pivot inclination for the Mac.VIII new axle. | ||
| View original record | C O P Y. To R. from Hs/Rs. c. BJ. Wor. c. By. RE. c. K. Da. c. OY. MAC.VIII. STEERING PIVOT INCLINATION. The new axle gives remarkably light steering. While we expected the steering to be lighter than… | ||
| 04-page179 | Steering tests comparing a standard axle altered for vertical king pins against one with transverse pivot inclination. | ||
| View original record | -2- The most interesting test was that carried out with a standard axle altered to give vertical king pins (5). In this case with a disc wheel giving centre point steering, the steering was as light… | ||
| 04-page180 | Tests on steering geometry, specifically the effects of transverse rake and pivot inclination on a 20 HP axle. | ||
| View original record | -3- Hs/Eal/T22.1.26. shocks, and yet not make the steering appreciably heavier. Normally, if we move the wheel centre 3¼" from the king pin the effort required to shunt the car becomes impossible. To… | ||
| 04-page181 | Separator or cover page for drawings, marked with the letter 'X'. | ||
| View original record | DWG DWG DWG X | ||
| 04-page182 | Drawing cancellation page marked with a large 'X' and the abbreviation for drawing. | ||
| View original record | DWG DWG DWG X | ||
| 04-page183 | Performance graph of a C.S. unit engine showing BHP and BMEP curves at various RPMs with different exhaust setups. | ||
| View original record | BENSPORT. J.I UNIT. C.S RM.B2 JAN. 28/33 COMP.RATIO 6.3:1 CAMSHAFT E.59139 (113/16°) CYL: HEAD STANDARD E.56604. 2 1.375 S.U. CARBS: ON SPECIAL PIPE BETWEEN CYLS: 1&2, 5&6 BALANCED WITH SPECIAL 'FOOD'… | ||
| 04-page184 | Performance graph plotting BHP and BMEP against RPM for an engine with two different valve timing settings. | ||
| View original record | UNIT C.9 J1 HEAD BENSPORT J1. C.9 RM 83 JAN 26/33 COMP. RATIO 6.3:1 CAMSHAFT E59159 (13 1/2") CYL. HEAD STANDARD E56604 2.1875 SU CARBS ON SPECIAL PIPE BETWEEN 1&2 5&6 CYLS. BALANCED WITH SPECIAL… | ||
| 04-page185 | Driver feedback and technical opinions following a car trial. | ||
| View original record | HS v u S S To Wcr. from Sg. Copy to Hs. re Bensport. Sg9/27.2.33 You doubtless heard that I arranged last week for C., Cx. and Rn. to try the car as I was anxious to have their opinion. I asked them… | ||
| 04-page186 | Test report on the 'Bensport' car's performance and handling characteristics following a run at Brooklands. | ||
| View original record | Sg...from Bn Bn.1/W/T6.2.33. BENSPORT. I went down to Brooklands with C. and Cx to have a run in the Bensport, and we first tried the car on the track. I was sitting in the back and was very impressed… | ||
| 04-page187 | Critique of a car's design, focusing on its wire wheels, wings, and body. | ||
| View original record | -2- legroom in the back and this could be gained without material alteration to the body. I thought the appearance of the wire wheels would not please the type of person buying this car. 11 They look… | ||
| 04-page188 | Reduction of dynamo speed on Peregrine and Bensport car engines due to excessive wear at high RPMs. | ||
| View original record | 4553 To Sg. From Hs. c. to Wor. c. to By. c. to E. Ref: Hs.6/MJ.8.2.33. BENSPORT CAR. You may have noticed from recent memos, that it has been agreed to reduce the dynamo speed on the Peregrine. At… | ||
| 04-page189 | Modifications, testing plans, and production risks for the Bensport car model. | ||
| View original record | -2- Ha.6/M.R.8.2.34. Cont'd. The modification to the dynamo drive means an alteration to the crankcase pattern which will make the crankcase different to the 20/25 unless we adopt this same scheme for… | ||
| 04-page190 | Proposed modifications to a car, including the crankshaft, axle ratio, clutch, wheels, and body dimensions. | ||
| View original record | -3- Ha.6/W1.8.2.33. Cont'd. (Chrysler scheme) which lowers the critical speed of the crank by 150 or 200 revs. compared with what it will be with the standard crankshaft which is to have balance… | ||
| 04-page191 | Alterations to the Bensport car, including the dynamo drive, magneto, and bodywork. | ||
| View original record | X 4 S - 53. To Hs. from Sg. re Bensport Car. Sg19/H10.2.33 Copy to Wor.BY.E. Referring to Hs.6/MJ.8.2.33 I agree that the dynamo drive will have to be altered for the reasons you give, and to the… | ||
| 04-page192 | Design and performance aspects of the Bensport Car. | ||
| View original record | To Sg. From Hs. c. to Wor. c. to By. c. to E. RE. BENSPORT CAR. Replying to Sg.19/E10.2.33. It would mean considerable difficulty and complication to have the spare coil wired up with a suitable… | ||
| 04-page193 | New induction pipe with three carburetters for the Bensport engine to maximize power output. | ||
| View original record | 14553k. RHC. from Hs/Gry. Hs/Gry.2/KT.14.2.33. BENSPORT POWER OUTPUT. We send you herewith a sketch, Hs.933, of an induction pipe for trying three carbs. on Bensport. The dimensions of the pipe are as… | ||
| 04-page194 | Blueprint for an induction pipe for 3 carburetters - JI. | ||
| View original record | HS.933 1.500 □ SECTION NOT TO SCALE FOR CENTRE DISTANCES SEE E.59292/3 1.350 DIA. 1.500 DIA. CARB INDUCTION PIPE FOR 3 CARBURETTERS - JI. ROLLS-ROYCE, LTD HIVE ROOM FEB 14 1933 DERBY | ||
| 04-page195 | Modifications required on Bensport, enclosing a copy of a related memo. | ||
| View original record | V4553 To Hs.} from E. HY. E.3/HP.16.2.33. re Bensport. We send you herewith copy of our memo E.11/HP.15.2.33. in connection with the modifications required on Bensport. A copy of this memo has already… | ||
| 04-page196 | List of modifications required for the Bensport model concerning the engine and ancillary components. | ||
| View original record | To ROR. from E. E.11/HP.15.2.33. re Bensport. In response to your request, please note the following gives the list of modifications required on Bensport: (1) Cylinder Block. A new cylinder block is… | ||
| 04-page197 | List of required modifications and patterns for various engine and chassis components. | ||
| View original record | (2) modification to the casting will be required on account of the modified dynamo. (6) Rocker Cover. The valve rocker cover will be different to the standard 20/25 to suit the J.l. type head, and… | ||
| 04-page198 | List of modifications and required changes for an experimental chassis, covering various components. | ||
| View original record | (3) E.11/HP.15.2.33. (14) Front Cylinder Water Connection Nozzle. The present experimental chassis is rigged up with the existing water door and nozzle which is not at the correct angle. A pattern… | ||
| 04-page199 | Brief memo concerning a 'Bensport' reference, instructing to add an attached document. | ||
| View original record | Hs. V45583 Worl/HM.17.2.33. re: Bensport - Wor4/T.16.2.33. --------------------------------- With reference to the above, please add attached. Wor. | ||
| 04-page200 | List of required modifications for the Bensport model engine components. | ||
| View original record | COPY. To WOR, from E. re Bensport. In response to your request, please note the following gives the list of modifications required on Bensport:- (1) Cylinder Block. A new cylinder block is required… | ||
| 04-page201 | List of required modifications for various components, including rocker cover, clutch, induction pipes, and engine controls. | ||
| View original record | (2) (6) Rocker Cover. The valve rocker cover will be different to the standard 20/25 to suit the J.I. type head, and will have the Bentley Monogram cast on it instead of R.R. (7) Clutch Inspection… | ||
| 04-page202 | Technical memorandum detailing modifications and requirements for various chassis components. | ||
| View original record | (3) (14) Front Cylinder Water Connection Nozzle. The present experimental chassis is rigged up with the existing water door and nozzle which is not at the correct angle. A pattern will be required for… | ||
| 04-page203 | Internal memorandum discussing the difficulty of the ignition changeover system and proposing modifications for easier coil replacement without tools. | ||
| View original record | Y4-53 To Sg. from K. K.16/HP. 16.2.33. c. for. Hs. Hvs re Bensport Car. ---------------- Referring to Sg.19/E.10.2.33. we are in agreement with Hs's remarks regarding the difficulty and complication… | ||
| 04-page204 | Unauthorised modifications to the Bensport car and their impact on the July delivery schedule. | ||
| View original record | S.P. from Wor. Copy to Mr. Hs. X4553 Wor4/T16.2.33. ---------------- RE BENSPORT CAR. Referring to Hs6/MJ8.2.33 and Sg19/E10.2.33. I heartily share the optimism of Hs. in his memo, and indeed, have… | ||
| 04-page205 | Disturbing list of car modifications and the decision to proceed to avoid missing the 1934 production schedule. | ||
| View original record | Yum-3 HS To Wor. from Bgr Copy to E. Copy to Hs. Copy to HY. re Bensport. Sg12/E17.2.33 I am in receipt of Wor4/T16.2.33 together with copy of E.11/HP.15.2.33 giving a list of modifications which, as… | ||
| 04-page206 | Evaluating proposed refinements for the Bensport model running in France. | ||
| View original record | 8 F-53 To Wor. From Hs. C.c. to H.J. C.c. to E.W.H. C.c. to D.P. re. BENSPORT. A number of the items contained in E.11/HP.15.2.33 can be looked upon as refinements, they are not fitted to the Bensport… | ||
| 04-page207 | The performance and required modifications for various car components, including notes on a 'Bensport' model. | ||
| View original record | -2- Ha./W.18.2.33. Cont'd. (11) Engine Controls. We are satisfied with the controls on the car in France. The small bracket suggested should be an improvement. (12) Air Inlet Band for… | ||
| 04-page208 | Modifications to the dynamo drive and crankcase pattern for the 25 HP and Bensport models. | ||
| View original record | -3- Hs./MJ.18.2.33. Cont'd. We have been over this list with RHC. and he is definite that the modification necessitated by dynamo drive are the controlling features. The other small alterations can… | ||
| 04-page209 | Modifications to the brake equalizing shafts and gearbox on a Bensports model. | ||
| View original record | Y4553 To TY. from E. K.5/HP.18.2.33. C. Ex. No. M. re Bensports. Referring to item 17 of memo K.11/HP.15.2.33, we send you herewith LeC. 3383 showing modifications to the position of the brake… | ||
| 04-page210 | Modifications to the Peregrine 2 rear axle for clearance on Bensport models. | ||
| View original record | To BY. from E. c. Wgr. Hs. HHG. re Bensport - Series 1. Referring to item 13 on memo E.11/HP.15.2.33, we send you herewith: Lec.3380 showing modifications to the new brake mechanism of Peregrine 2… | ||
| 04-page211 | Listing engineering drawings and modifications for the Bensport Series 1. | ||
| View original record | Y4753 To BY. from E. c. Hs. E.8/HP.18.2.33. REC'D 20 FEB 1933 re Bensport Series 1. Please find herewith the following LeC. drawings in connection with the above: LeC.3258 - Front Engine Suspension… | ||
| 04-page212 | Clarifying the nomenclature for different editions of Bentley/Bensport chassis drawings. | ||
| View original record | Y2813 SG. FROM DA/EV. DA/EV2/M20.2.33. Cs to R. WGH. HS. BY. E. C. Re. BENTLEY. As we have had so many different editions of Bensport we think it should be made clear how we have classed our drawings.… | ||
| 04-page213 | Technical feedback on a test car regarding the gearbox, steering wheel, radiator guard, and fuel pumps. | ||
| View original record | 84553 To Hs. from Sg. re Bensport. Sg4/E22.2.33 Copy to EV. I have read with very great interest Hs/Rm.1/KT.21.2.33. Speaking generally it looks as if the car were showing up very well on test. Re the… | ||
| 04-page214 | Whether the 'pot' for the pedals is a body item or a chassis point. | ||
| View original record | To Hs. from Sg. Sg4/E22.2.33 - 2 - on this in my note to EV. In regard to Item 6 of the body items, this really, I think, is a chassis point and in our discussions I understood that the 'pot' for the… | ||
| 04-page215 | Design points and features for a 'Bensport' car. | ||
| View original record | To EV. from Sg. re Bensport. Sg5/E22.2.35 Copy to Hs. I see you have had a copy of Hs/Rm.1/IT.21.2.35. I have written to Hs. to-day as per the attached copy. I should like to hear from you about the… | ||
| 04-page216 | Specifications of the Bensport and Peregrine cars. | ||
| View original record | To Sg. From Hs. Hs.5/MJ.24.2.33. BENSPORT. Replying to Sg.4/E.22.2.33. Rm. was not correct in his report when he said that Bensport is fitted with the latest N.Scheme quiet second speed. Actually,… | ||
| 04-page217 | Instruction to ensure future 'Bensport' vehicles for testing and demonstration are fitted with the latest improvements. | ||
| View original record | Mr. E. BY. SFF. WHS. V4883 Wor14/T27.2.33. BENSPORT. Any future Bensports we make for test or demonstration purposes should be of the latest type, that is to say - have all known improvements fitted… | ||
| 04-page218 | From Sg. to Hs. regarding Bensport, chasing a snapshot photograph discussed at Grantham. | ||
| View original record | X4583 To Hs. from Sg. re Bensport. Sg14/E2.3.33 Just a note to remind you that I have never yet received the snapshot photograph for the purpose discussed the day we were at Grantham. You last told me… | ||
| 04-page219 | Drilling of breather holes for the Bensport J.1. Engine. | ||
| View original record | XG573 To BY. from E/JNR. c. for. Mr. THE. E/JNR.1/HP.2.3.33. RECEIVED [stamp] 2 MAR 1933 [stamp] Bensport J.1. Engine. Please receive herewith: LeC.3396 showing the drilling for the two breather holes… | ||
| 04-page220 | Gratifying report on the Bensport car and arranging a follow-up discussion in Derby. | ||
| View original record | Y.4853 To Hs. from Sg. re Bensport. Copy to Rm [Strikethrough] Sg10/E3.3.33 Referring to Rn's report, speaking generally this is very gratifying and I am sure you will be pleased to see what he says… | ||
| 04-page221 | Mounting of a spare coil and the capacity of the petrol tank for the Bensport Car. | ||
| View original record | Hs 14853 To. E. from Sg. re Bensport Car. Sg21/E3.3.33 Copy to Ver.Hs.HY. Referring to one or two matters which I asked PN to discuss at Derby yesterday, firstly, re spare coil, Hs.1/MJ.14.2.33, and… | ||
| 04-page222 | Collaborative creation of the Bensport 4 Specification. | ||
| View original record | To Hs. from E. c. Mgr. BY/RMG XU113 E.8/HP.3.3.33 Bensport 4 Specification. Referring to our conversation concerning Bensport 4, we had prepared a specification for this but found immediately after… | ||
| 04-page223 | Attaching and distributing the 'Bensport Specification' to various departments and individuals. | ||
| View original record | Y2483 To Eg. Lor. } from E. c. Hs. By. HHS. E.3/HP.4.3.33. Bensport Specification. We attach herewith copy of the specification referred to in our memo E.3/HP.3.3.33. to Hs. By/SS is issuing copies… | ||
| 04-page224 | Confirming arrangements for a spare coil and petrol tank modifications for a Bensport Car. | ||
| View original record | 76553 To Sg. from K. K.2/HP.6.3.33. c. For. Hs.-By. re Bensport Car. Confirming your memo Sg.21/K/3.3.33, it is agreed that we shall arrange to mount a spare coil in a convenient place underneath the… | ||
| 04-page225 | Axle and damper mountings on the Bensport model, discussing clearances and modifications. | ||
| View original record | X4573 To Bey/SH from E. c.c. Sgr. for. Hs. Hy. H-Y. K.6/HP.6.3.33. Re Axle and Damper Mountings on Bensport. Confirming telephone conversation of this afternoon with you and replying to memo… | ||
| 04-page226 | New drawing for the Bensport Series 1 Peregrine fan and drive, superseding a previous version. | ||
| View original record | To-BY. from E/JNR. E/JNR.1/HP.7.3.33. x4533 CY.Mr. Hs. Bensport Series 1. -------------------- We send you herewith drawing: LeC.3397 showing the top water pipe, the Peregrine fan, and fan drive. This… | ||
| 04-page227 | Specification document detailing modifications for the Series I Bemport chassis. | ||
| View original record | E. Dept. A. Dept. G. Dept. P. Dept. Hd. Off. Insp. Wks. Mngr. Rm EY/SS.1/N.4.3.33. BEMPORT SPECIFICATION SERIES I. Further to our memo EY/BS6/N.4.2.33, it is now possible to give a more detailed… | ||
| 04-page228 | Continued list of vehicle components including pipes, pedals, and the Bentley monogram on hub caps. | ||
| View original record | -2- EY/ES.1/N.4.3.33 Cont'd. Petrol pipes. Pedals & floorboards. Undershaft. Front damper & axle control. Top water pipes. Radiator shutter section. "Bentley" monogram on hub caps. EY/SB. | ||
| 04-page229 | Specification sheet for the Bensport Series I experimental and production chassis. | ||
| View original record | BENSPORT SPECIFICATION SERIES I. Layout of 1st. Experimental Chassis - Lec.3280. Production Chassis Four Door Sports Saloon - H.Sch's 3685 and 3686. The standard 20/25 sections are those of 'Z'… | ||
| 04-page230 | Specification sheet detailing modifications for engine and fuel system components. | ||
| View original record | -2- Section. Description. Design. Piston. E.56610 Turbulent Head type. Cylinder. Cylinder Block with circular water jacket covers and transverse induction passage deleted. Cylinder head E.29311 with… | ||
| 04-page231 | Specification list detailing configurations for various engine and chassis components. | ||
| View original record | -3- Section. Description. Design. Camshaft. Inlet and exhaust cam forms 1130 between cams. Camshaft L.39139 with petrol pump cam to- Lec.3292 Lec.3300 Dynamo Drive. 40/50 dynamo at engine speed. No… | ||
| 04-page232 | Specification sheet detailing modifications and design numbers for various engine and chassis components. | ||
| View original record | -4- Section. Description. Design. Water Connections. Generally as laid down on - to suit Bensport radiator. Correct the run of pipe between new cyl. head cover and radiator. LeC.3289 LeC.3397 Oil… | ||
| 04-page233 | Specification sheet detailing various vehicle components and their design references. | ||
| View original record | -5- Section. | Description. | Design. --- | --- | --- Controls. | To suit 2 S.U. carburetters. No magneto controls. | LeC.3316. Radiator & Fittings. | "Bentley" shape. Ribbon matrix. "Bentley" 3 litre… | ||
| 04-page234 | Specification sheet listing vehicle components, their descriptions, and design numbers. | ||
| View original record | -6- Section. Description. Design. Speedometer Drive. Right angle type. Use in Experimental patterns. Lec.3348 1st. & 3rd. Motion Shafts. Standard 20/25. Servo Drive. Standard 20/25. 2nd. Motion Shaft.… | ||
| 04-page235 | Specification sheet detailing various chassis and component parts with their corresponding design numbers. | ||
| View original record | -7- Section. Description. Design. Rear Brake Design shown on - Lec.3383 Equalizing using many Peregrine parts. Lec.3389 Gear (Foot) Front Brake Standard 20/25. with length of Lec.3280 Equalizing… | ||
| 04-page236 | Specification sheet detailing the design and components for a vehicle chassis. | ||
| View original record | -8- Section. Description. Design. Wing Stays. 1st. and 2nd. use 20/25 bent to suit. 3rd. special design in hand. Front Apron. Stone guard to be fitted. No design. (DA/SV) Front Springs & Fittings.… | ||
| 04-page237 | Parts specification table for chassis components including pumps, pipes, dampers, and wheel carriers. | ||
| View original record | -9- Section. Description. Design. Oil Pump on Dash. 'Luvax' pump as shown on - LeC.3312 Oil Pipes & Fittings. Luvax 'Olive' joint type. Combined layout from Peregrine & 20/25 schemes required.… | ||
| 04-page238 | Specification list for various electrical equipment components and their associated design numbers. | ||
| View original record | -10- Section. Description. Design. ELECTRICAL EQUIPMENT. Instrument Board. Separate instruments with speedometer - Tachometer in small patch as 1st.Expl. car. N.Sch.3621. Starter Motor. 20/25 Standard… | ||
| 04-page239 | Design alteration to the clutch pedal shaft and levers for the Bensport Series 1. | ||
| View original record | XC753 To BY. from E/JNR. K/JNR.6/HP.17.3.33. c. Wer. Hs. re Bensport Series 1. We send you herewith: Lec.3413 showing the clutch pedal shaft, and levers. The reason for the alteration is because there… | ||
| 04-page240 | Drawings produced for improvements to the Bensport Series 1 experimental car. | ||
| View original record | To BY: from E/JNR. c. For. Hs. E/JNK.5/HP.10.3.33. re Bensport Series 1. ---------------------- We send you herewith: LeC.3404 showing the floorboards and clutch casing cover. LeC.3403 showing the… | ||
| 04-page241 | The status and development of components for the Bensport Series 1. | ||
| View original record | To BY. from E/JNR. E/JNR./HP.18.3.33. c. Wer. Hs. X 4553 re Bensport Series 1. Please receive herewith: LeC.3398 Front Axle Control and Shock Dampers. LeC.3414 Engine Petrol Pipes, filter and exhaust… | ||
| 04-page242 | Amendments and additions to the Bensport Series 1 specification. | ||
| View original record | X6553 E. Dept. G. Dept. D. Dept. S. Dept. He. RMO. Mov. Wo. BY/SS1/N.22.3.33. BENSPORT SERIES 1 SPECIFICATION. AMENDMENTS AND ADDITIONS. Section. | Description. | N° Design. Crankcase & Bearings. |… | ||
| 04-page243 | List of design specifications and modifications for various vehicle components. | ||
| View original record | -2- Section. Description. Design. Idler Gear. Adjustable gear with plain brgs. Lec.3407 Lec.2939 Lec.2546 Water Pump. New inlet bend to suit cylinder block. Wheelcase & Fittings. Modified pockets for… | ||
| 04-page244 | List of vehicle component modifications and their corresponding design reference numbers. | ||
| View original record | -3- Section. | Description. | Design. --- | --- | --- Dash Brackets & Floorboards. | Floorboards, Covers &c. Dash brackets. | LeC's 3401,3404, LeC.3403 Front & Rear Equalizers. Servo Mech: Rear Brake… | ||
| 04-page245 | List of modifications to frames, fittings, and petrol tanks with corresponding design numbers. | ||
| View original record | -4- Section. | Description. | Design. --- | --- | --- Frames & Fittings. | Modified Side forgings for engine support crossmember. These are now handed. | Lec.3398 Petrol Tank. | Larger capacity using… | ||
| 04-page246 | Amendments, specifications, and outstanding work for the Bensport Series I model. | ||
| View original record | X4553 [Redacted Distribution List: E. Dept. A. Dept. P. Dept. J.H. S.M. W.O.B.] BY/506/H.23.3.33. BENSPORT SERIES I - SPECIFICATION. We issued to you yesterday memo BY/501/H.22.3.33 giving the… | ||
| 04-page247 | Performance test results for a Bensport C.10 engine unit. | ||
| View original record | Rev. 13A. 24.3.33. 19.G.IV. - BENSPORT ENGINE (C.10 UNIT). Twin S.U. Carburetters. 6 X 19" tyres. 11/50 rear axle. Camshaft Z.59139 - 113° (60 m.p.h. = 3018 r.p.m.) Lightened flywheel Hs.932. Free… | ||
| 04-page248 | Bentley engine ignition timing tests and recommendations based on different fuel octane ratings. | ||
| View original record | X45536 E. from Hs/Rn. C. to BY. Hs/Rn.5/KT. 25.3.33. BENTLEY IGNITION TIMING. We have carried out a number of road tests to determine the optimum ignition timing of the Bentley engine with 6.3/1 c.r.… | ||
| 04-page249 | Engine specifications, valve timing, and performance test results for the Bensport C.10 unit. | ||
| View original record | Y48836A 24.3.33 19.G.IV. - BENSPORT ENGINE (C.10 UNIT). Twin S.U. Carburetters. 6 x 19" tyres. 11/50 rear axle. Camshaft R.59139 - 113°. (60 m.p.h. = 3018 r.p.m.) Lightened flywheel Hs.932. Free… | ||
| 04-page250 | Components for the Bensport Series 1. | ||
| View original record | To EY. from E/JNR. c. Wcr. Hs. E/JNR.3/HP.25.3.33. re Bensport Series 1. ----------------------- Please receive herewith: LeC.3416 - Oil piping to servo motor. 3424 - Change Gear Gastight fittings and… | ||
| 04-page251 | Ignition advance curve for a Bentley engine to prevent detonation. | ||
| View original record | vers 3A. E. from Ha/Rn. c. to Hy. Ha/Rn.4/KT.31.3.33. We attach curve Rn.B.5. which shows the ignition advance characteristics required on the Bentley engine and the compromise which we have effected… | ||
| 04-page252 | Graph showing ignition governor advance curves for a 25 HP engine. | ||
| View original record | 25 H.P. IGNITION GOVERNOR - ADVANCE CURVES ENGINE DOS: C.S. (CAST IRON TURBULENT HD. 5.3:1 C.R.) SINGLE S.U. CARBURETTER (1 3/16 DIA. THROTTLE) CURVE ① IDEAL USE (MINIMUM ADVANCE FOR MAXIMUM POWER) ②… | ||
| 04-page253 | Urgency of producing parts for experimental testing of 'Bensport' features. | ||
| View original record | XUS-53 By. from Hs/Rm. Ha/Rm.1/KT.31.3.33. BENSPORT. We are particularly anxious to get the front axle through with the 4° king pin angle for expl. test, as we are certain that it is going to be a… | ||
| 04-page254 | Return and testing of a prototype Bentley car, and plans for the next version for production. | ||
| View original record | To Sg. From Hs. c.c. Nor. E. c.c. Hy. Hs.9/KT.7.4.33. BENTLEY CAR. We are arranging with Hancock to return to Derby with the Bentley car before Easter. We expect him to be back in Derby on Thursday… | ||
| 04-page255 | Incomplete 3.5 litre Bentley chassis print, requesting review and completion by the Derby office. | ||
| View original record | X24583. A. FROM DA/EV. DA/EV1/M13.4.33. O. to SO. WOR. ES. H-HEV. LID 3.5 LITRE BENTLEY CHASSIS PRINT. We send herewith R. sch. 3727. showing the chassis print for the 3.5 litre Bentley. Of necessity… | ||
| 04-page256 | Completion and testing of a second Bentley car before sending a production model to France. | ||
| View original record | XVII-3 To Sg. from Hs. c. Wor. By. c. E. PN. Hs.6/KT.14.4.33. BENTLEY CAR. Replying to Sg4/E.12.4.33. Our second Bentley car will be completed, with body fitted, today. This car is built up with all… | ||
| 04-page257 | From P.N. arranging a meeting in Derby to discuss points from a report and bonnet panel stops for the Bentley I. | ||
| View original record | S/W. Hs...from P.N. Copy to Sg. C. Wks. H. Hy. X4153 PN.3/WT19.4.33. Bentley I. There are sundry points arising out of the report attached to your Hs.15/KT.11.4.33 which Sg. wishes me to discuss with… | ||
| 04-page258 | Instruction memo regarding the experimental fitting of double valve springs and washers for Bensport. | ||
| View original record | 1254. To-EX. from E/JNH. E/JNH.3/HP.19.4.33. c.HS. re Bensport. Will you please instruct experimentally a set of double valve springs with washers to the design as shown on LeC.3297, herewith. The… | ||
| 04-page259 | Proposed solutions for failures and troubles on a Bensport car after 12,200 miles. | ||
| View original record | To Hs. From E. c. Sg. Wor. By. By/SS. re Bensport Report. The following notes confirm our discussion on Hs/GWH's report on the Bensport car after 12,200 miles, as regards what is proposed to be done… | ||
| 04-page260 | List of ongoing investigations and improvements for various vehicle components. | ||
| View original record | - 2 - (9) The failure of the S.U. pump is being taken up with the S.U. Co. (10) The failure of the main oil pipe is partly attributed to the fact that it was fitted approximately midway along its… | ||
| 04-page261 | List of observations and modifications for a vehicle, covering radiator mounting, dynamo brushes, spring anchorage, floorboards, and wheel hubs. | ||
| View original record | - 3 - E.9/HP.21.4.33. (20) The first car was known to have some departure from normal with respect to the radiator mounting, as rubbers of the required hardness were not available and the mounting was… | ||
| 04-page262 | Design and testing of a sheet metal bracket for a Bensport spare ignition coil. | ||
| View original record | To RMC. from K/JNK. c. Hs-Ry. [Handwritten:] X4113 re Bensport Spare Ignition Coil. ---------------------------- We have designed a simple sheet metal bracket to carry the spare ignition coil on the… | ||
| 04-page263 | Readiness, features, and the official naming of the 3 1/2-litre Bentley car. | ||
| View original record | X45803 RECEIVED 26 APR 1933 To Hs. from Sg. Copy to Wor. EY. Br.FW. re Bentley Car. Sg5/E24.4.33 Referring to Hs.6/KT.14.333 I quite realise and appreciate what a very great achievement it was to have… | ||
| 04-page264 | Testing protocol and handover of the 3½-litre Bentley cars to the Sales department. | ||
| View original record | RH5553 To Hs. from Sg. re 3½-litre Bentley Car. Copy to Wor. E. BI. Referring to Sg4/E12.4.33 you will remember that, arising out of your suggestion contained in Hs.9/KT.7.4.33, it was agreed that… | ||
| 04-page265 | Testing different spark plugs to improve the slow running of a Bentley engine. | ||
| View original record | XVRR24 Files. ----- 1.8.33. ----- SLOW RUNNING - BENTLEY. ----------------------- We have tried the following plugs :- Lodge K.335 Lodge Aero K.30G. There is no improvement in the slow running. The… | ||
| 04-page266 | Road test report and feedback on the Bensport 1.B.S. model, noting both praises and areas for improvement. | ||
| View original record | 41053 To: Hs. From AX. AX1/21.5.33. BENSPORT 1.B.S. The various shortcomings of this car have already been fully dealt with in the 10,000 miles report. I do not therefore propose to go over them… | ||
| 04-page267 | Dynamometer test report for Chassis 2.B.IV, detailing axle and power curve evaluations. | ||
| View original record | Y45524. 5.5.33. Chassis 2.B.IV. Tests Carried Out on Dynamometer, 1/3.5.33. (1) Axle Tests. (a) 1 Hour light running in top gear. (b) 2 Hours at full throttle in 3rd. gear at 1500 R.P.M. (stopping… | ||
| 04-page268 | Engine power output (BHP) test results table with notes on ignition settings. | ||
| View original record | -2- (a) (b) (c) (d) (e) ENGINE RPM. BHP. BHP. BHP. BHP. BHP. 500 12.25 - - - - 1000 26 - - - - TOP GEAR 1500 40 39.5 39.5 39.5 - 2000 54 54.2 51.1 55 - 2500 65.2 69 60.5 66.6 - 3000 77.5 80.8 72.5… | ||
| 04-page269 | Test report comparing power output from different fuel feed systems and detailing petrol pump delivery rates at various engine speeds. | ||
| View original record | -3- is obtained at 1/3 retard position, i.e. even this governor, although an improvement of the previous one, does not give the right characteristics for full power all the way up the scale with the… | ||
| 04-page270 | Test report on speedometer and rev-counter accuracy, with observations on car behaviour on a dynamometer. | ||
| View original record | -4- Speedometer & Rev. Counter Check. 11/43 Axle. 5.30 x 18" India Tyres. 701 road wheel revs/mile. ROAD WHEEL REVS/MIN. SPEEDOMETER M.P.H. REV. COUNTER-R.P.M. CORRECT. ACTUAL. CORRECT. ACTUAL. 233.6… | ||
| 04-page271 | Test report noting the cooling method for the rear axle casing and the absence of issues. | ||
| View original record | -5- Water was allowed to trickle over the rear axle casing during tests to keep it reasonably cool. No sign of preignition or other trouble experienced.. ----- | ||
| 04-page272 | Test report to determine the best 14mm sparking plug for slow running. | ||
| View original record | FILES. ----- XHARP2/F. 8.5.33. ------- BEST SPARKING PLUG FOR SLOW RUNNING. --------------------------------- Tests were carried out on Hensport to determine which were the best 14 mm. plugs for slow… | ||
| 04-page273 | Requesting a status update on the readiness of the No.3, 3.5-litre Bentley car for testing. | ||
| View original record | X45513. -> S/W....Hs. c. to Wor. -E. By. PM. ----- C7/C8.9.33 Re 3½-litre Bentley Car. -------------------- With reference to Sg7/E26.4.33, I should be glad if you would please let me know how this… | ||
| 04-page274 | Very favourable first test drive of the Bensport car, noting its excellent performance but also a significant issue with fumes inside the body. | ||
| View original record | Hs. G.W. H's REPORT ON B... V 453. EP7/HS.5.33. re. BENSPORT CAR. I was certainly very favourably impressed with my first test of the above car this week-end. As a proposition for covering the ground… | ||
| 04-page275 | Progress update regarding the 3.5-litre Bentley car, specifically production details and body mounting for car No.3. | ||
| View original record | X45553. W/S. C. from Hs. c. to Wmr. c. to E. c. to By. c. to PH. Hs.1/WA.9.5.33. Re. 3½-litre Bentley Car. With reference to C.7/CB.5.33., we attach herewith copies of reports from FP. & Mx. who have… | ||
| 04-page276 | The body mounting and trial arrangements for the 3 1/2-litre Bentley car. | ||
| View original record | > S/W....Hs c.c. to Wor. -B By PM X4883. C7/C11.5.33 Re 3 1/2-litre Bentley Car. Hs1/MA9.5.33 EP7/H8.5.33, Mx1/T1.5.33 and E1/HP10.5.33. We are very interested to note We note that in about ten days… | ||
| 04-page277 | Status report on debatable points concerning the Bentley's carburettors, induction system, air intake silencer, and engine breathing. | ||
| View original record | To Hs. X 4553 Hs/Rm.2/KT.15.5.33. BENTLEY POSITION. The following is the position of a number of debatable points on the Bentley. (1) Carburetters. We have not yet received the model carburetters from… | ||
| 04-page278 | List of required modifications and tests for vehicle components including brakes, exhaust, petrol pump, and engine. | ||
| View original record | -2- occur, and also the smell in the driving compartment. (4) Brakes. We have a complete modified system of brake leverages now available, which includes a modification to the value of one notch… | ||
| 04-page279 | Road test and performance review of the Bensport No.1 vehicle. | ||
| View original record | X6633 To Hs. from E. c.c. Wg. Wor. E.1/HP.15.5.33. re Bensport No.1. I had a very good run on the Bensport on Sunday over to Cambridge. The road holding capability of the car due to its low build and… | ||
| 04-page280 | Potential vehicle improvements regarding carburetters, weight reduction, and observed issues with the tachometer and steering. | ||
| View original record | - 2 - We may find it necessary to incorporate a throttle edge jet in the carburetters to achieve the standard in this respect that is general. There is no doubt that from now on we must use every… | ||
| 04-page281 | Modifications and testing for the second Bentley car. | ||
| View original record | To By. from Hs/Rn. c. to RHC. Y 4553 Hs/Rn.6/KT.15.5.33. It is hoped that the second Bentley car will go to France in about three weeks time. With regard to BY/SSl/Jl.5.33 we have not yet had details… | ||
| 04-page282 | The Brooklands test comparing two Bentley cars against competitors. | ||
| View original record | Files. ----- BROOKLANDS TEST. On Friday May 12th, the two Bentley cars, B.1. and B.2. were taken down to the track for comparison with other cars, with regard to maximum speed and acceleration. B.1.… | ||
| 04-page283 | Development work and outstanding items for the 3.5 litre Bentley. | ||
| View original record | To WGR. from E. c. Hs. By. X VP'3 K.10/HP.19.5.33. 3½ litre Bentley ----------------- Replying to your memo WOR.6/T.19.5.33, since last reporting on this we have been following up the development work… | ||
| 04-page284 | Modifications to the front appearance of a Bentley, focusing on the radiator and body styling. | ||
| View original record | TO HS. FROM EV. X4153 EV3/22.5.33. copy to S.Worr-S. RE FRONT APPEARANCE. BENTLEY. You will have received N.Sch. 3737 and 3739, showing a modified shape of radiator shell with tapered sides and a… | ||
| 04-page285 | Cover note for attached discussion notes concerning the Bensport Chassis. | ||
| View original record | Bensport From E. E.2/HP/23.5.33. Re Bensport Chassis. Attached hereto please find copy of the notes of the discussion on the above, in my office. E. [Signature] | ||
| 04-page286 | Issues and modifications for the Bensport Chassis, focusing on the air silencer and crankshaft bearings. | ||
| View original record | Exhaust fitting Windshield E.1/HP.23.5.33. re Bensport Chassis. Air Silencer. The 15 sets ordered of the 20-HP. should be stopped, as a fresh design is being instructed with F.2. size of silencer, in… | ||
| 04-page287 | Design and development report on automotive components including radiators, exhausts, cylinder heads, and gear levers. | ||
| View original record | Blue, Bentley - 2 - be issued for trial on the existing radiator, and a further design should be issued to fit the modified shell with the sharper Vee now being produced. Exhaust Fittings. We want the… | ||
| 04-page288 | Status report on modifications and production for various vehicle components. | ||
| View original record | - 3 - Flywheel and Clutch. 15 sets of spring damped centres should be instructed for the clutch. 115 sets of lightened flywheel are going through. Rear Brake Equaliser. Sft. is asking for a… | ||
| 04-page289 | Reducing ignition advance due to an increased compression ratio on a Bentley engine. | ||
| View original record | L.M.13 K. To R. from Hs/Rn. Hs/Rn.4/KT.24.5.33. As we increase the compression ratio of the Bentley we find that we require less ignition advance. Here is a curve Rn.B.15 which shews the results with… | ||
| 04-page290 | Road test results for an ignition governor, recommending a new spring and restricted auto advance. | ||
| View original record | TO R. from Ha/Rn. C. to By. Ha/Rn.2/KT.30.3.33. We have now tested out on the road the ignition governor to E.50880 modified to LeC.3476, governor spring Ex.11175. We find that this spring is approx.… | ||
| 04-page291 | Blueprint detailing specifications and performance curves for a Bentley ignition system. | ||
| View original record | UNIT C.O BENTLEY IGNITION Rm B15 M/Y 23 COMP RATIO 6.5:1 (TREP INLETS) CAMSHAFT EB9129 ("739") 2 S.U. (1 3/4") CARBS ON PIPES EB9292/3 (MOD Exh D9451) IGNITION GOVERNOR EB6880 (MOD AEC 1378) GOVERNOR… | ||
| 04-page292 | Use of a smaller ampere field fuse for a Bentley wiring diagram. | ||
| View original record | To Hs/Tst. from E. E.7/HP.31.5.33. c. WOT. Hs. By. By/RD. Bentley Wiring Diagram. Referring to Hs/Tst.2/MA.29.5.33 and to the discussion between yourself, By/RD. and E. this confirms that you will… | ||
| 04-page293 | Cover note for the minutes of a conference at Derby to discuss the 3.5-litre Bentley. | ||
| View original record | -Sg- From Hy. H. Mor. Rs. G. Ra. OR. EP. Br. Mx. Ev. HyS/R.31.5.33. Minutes of Conference at Derby to discuss 3½-litre Bentley Tuesday, May 30/1933. Attached is copy of the above for your information.… | ||
| 04-page294 | Minutes of a conference at Derby to discuss the 3 1/2-litre Bentley. | ||
| View original record | Dy2/R.B.S.33. MINUTES OF CONFERENCE AT DERBY TO DISCUSS 3 1/2 - LITRE BENTLEY TUESDAY, MAY 30/1933. Present whole time - Mr. C. Cx. Hn. EV. H. Hs. Rn. Hy. Present part time - RD. Rx. Minute No. 1.… | ||
| 04-page295 | Meeting minutes discussing design decisions for bonnets, bodies, lamps, and speed indicators for Bentley models. | ||
| View original record | Minute No. -2- RWB/H.31.5.33. 4. Bonnet. It was decided that the long bonnet running back as far as the wind screen is not desirable and is therefore not required. All types of body to have the one… | ||
| 04-page296 | Meeting minutes discussing deliveries, test bodies, shutters, and standards for Bentley chassis. | ||
| View original record | Minute No. -3- Hy2/H.31.5.33. 9. Deliveries. U. said it was intended to finish off 12 of the 18 chassis now being made into complete cars and 4 of them are required ready for the road and in London by… | ||
| 04-page297 | Parts held up for the 3.5 Litre Bentley, awaiting decisions on wheels, undershields, and carriers. | ||
| View original record | RE: 3½ LITRE BENTLEY. With reference to Wor.2/T.30.5.33. we are concentrating on the detail drawings for all schemes we have received, and are doing our utmost to complete same by the end of the… | ||
| 04-page298 | Alterations and instructions for the Bentley Ignition Governor. | ||
| View original record | To-BY. from E/JNK. E/JNK.2/HP.1.6.33. c: RHO. Hs/Rm. Bentley Ignition Governor. We send you herewith - LeC.3522 showing the stops for the governor weights altered from 23° to 19°. This is the result… | ||
| 04-page299 | The critical need to control modifications to the 3½ Litre Bentley instructions for the initial chassis and production sets. | ||
| View original record | Hs. X 73 BY.2/O.2.6.33. 3½ LITRE BENTLEY. The position in regard to instructions covering (a). The 15 chassis. (b). The 100 Sets for production, has reached such a critical stage that it is of the… | ||
| 04-page300 | Design of undershields for the 3.5 litre Bentley and the re-issuing of drawings for the first 15 chassis. | ||
| View original record | To WOR. from E. c. Hs. By. Sft. E.6/HP.2.6.33. re 3 1/2 litre Bentley. Referring to memos Wor.2/T.30.5.33 and By.8/G.16.33, the position of the section mentioned as being up against design, namely,… | ||
| 04-page301 | Requesting information on power loss in 6 1/4 & 8 litre engines, B.HP figures for a 4 1/4 litre engine, and the Oldham coupling on a 4 litre engine. | ||
| View original record | W/S. [Handwritten] 10/11 33 To Bn. from Hs/Gry. Hs/Gry.1/KT. 2.6.33. Could you let us have some information on the following points which would be useful to us and might explain some tests we have… | ||
| 04-page302 | Modified travel arrangements for a Bentley II vehicle for a function in Bath and a meeting at Brooklands. | ||
| View original record | S/W. Hs...from PN. X4553 V PN.1/WT2.6.33. Bentley II. I understand that this car cannot be available for our London programme until sometime after midday to-morrow, Saturday. This being the case my… | ||
| 04-page303 | Outlining the production expectations and specifications for a 3½ Litre Bentley saloon car. | ||
| View original record | K-533 PER BAG. To O. From Hs. c. to Wor. Hs.2/MJ.3.6.33. 3½ LITRE BENTLEY CAR. The green saloon car which we are sending to you today represents what we expect to obtain on production with these cars… | ||
| 04-page304 | Checking the efficiency of a new cut-out and the confirmed performance of a petrol pump. | ||
| View original record | -2- Hs/Rs.4/KT.3.6.38. We have yet to check the efficiency of the new cut-out on the test bed. On our last run on the track we proved that the R.R. petrol pump with the 4.2 lbs/sq.in. delivery… | ||
| 04-page305 | The average lap speeds of three different Bentley models tested at Brooklands track. | ||
| View original record | X41926 To Sg. from Ha/Ra. c. to Mor. c. to Z. c. to Sy. Ha/Ra.4/KT.3.6.33. c. to Da. c. to Hdy. BENTLEY. BROOKLANDS TESTS. We have now the average of three Bentley cars on Brooklands track. BENTLEY… | ||
| 04-page306 | Test run report on a Bentley 2-B-LV, detailing performance, consumption, and areas for improvement. | ||
| View original record | H.S. Confidential. C. Copy to PN. X4853 WOR Br/Wyl/US.7.6.33 Ao. Seen. Thanks 16-6-33 WR re Test run and report on Bentley 2-B-LV.? I had the privilege of testing the above car on Saturday last the… | ||
| 04-page307 | Test report on a car's handling characteristics, including steering, suspension, and exhaust note. | ||
| View original record | -2- 3. STEERING. This I thought was not positive enough & wandered at high speeds and did not give me absolute confidence when passing other cars of high speed on a cambered road. It may have been… | ||
| 04-page308 | Brief acknowledgement memo regarding the 3 1/2 litre Bentley Car. | ||
| View original record | S/W Bs C4/C7.6.33. Re 3 1/2 litre Bentley Car. ----- Thanks for your Hs.2/MJ3.6.33 to hand this morning contents of which I have duly noted. C. | ||
| 04-page309 | Test drive impression report on a Bentley Blue Coupe. | ||
| View original record | Hs/Lid. from Hy. Hy1/R.9.6.33. Re: Bentley Blue Coupe. My impressions of this car during Whitsun are as follows (I was not able to take the car for a long run, but used it for a number of short… | ||
| 04-page310 | Responding to queries about a 4 1/2 litre engine crankshaft and a Bosch coupling. | ||
| View original record | S/W. He/Gry......from Bn. Bn.1/WT10.6.33. Your ref. Hs./Gry.1/WT.2.6.33 Replying to your queries :- 1. I am sorry that we have no data on this point. 2. The big crankshaft 4 1/2 litre engines… | ||
| 04-page311 | List of criticisms and proposed improvements for a Bentley Car. | ||
| View original record | To-BY. from E/JNR. c. Hs. WHE. re Bentley Car. ---------------- The following are a few criticisms received just prior to the Whitsuntide Holidays. These points are being looked into with a view to… | ||
| 04-page312 | Cover memo forwarding a Sergeant's report on a Bentley car test run. | ||
| View original record | To Wor. from JS. re Bentley. Copy to Hs.PH.En. Ccr. JS1/H13.6.33 Please find herewith copy of Sg's report on his run on the Bentley car last Saturday. JS. Enc. Report dated 11.6.33 [Handwritten] Hs | ||
| 04-page313 | Feedback from a 100-mile test run of a Bentley, focusing on performance issues. | ||
| View original record | COPY. URGENT. Dear C., Many thanks for your memo. I managed as you know to get the Dr's permission to go out on the Bentley but only on condition that Prof.Dodds came with me. We set out about 11 for… | ||
| 04-page314 | Letter discussing vehicle performance reports, a failed supercharger project, and concerns over new model characteristics. | ||
| View original record | - 2 - summer I condemned it for an RR; the Bentley then was to be a small supercharged which we failed to produce so fell back on this unit which was available because there was not time to do… | ||
| 04-page315 | Summary of proposed experiments for the power development of the Bentley car. | ||
| View original record | C.T.Salt. XURT 2B Ha/Rm.15/KT.13.6.33. Here is a brief summary of experiments we propose to carry out on power development of the Bentley car. The speeds which we are interested in are 4000 and 4500… | ||
| 04-page316 | Performance testing and required upgrades for a C.13 unit from a Bentley saloon car. | ||
| View original record | X4533/k To RHC. from Ha/Rm. Hs/Rm.3/KT.15.6.33. C.13 UNIT. All road performances of the Bentley cars have been established on the first black saloon car. We therefore want a careful record of the… | ||
| 04-page317 | Feedback on the Bentley No.2 car regarding its speed, steering, and silencer quietness. | ||
| View original record | COPY Re BENTLEY ----- I enclose herewith memo. setting out particulars of the matters we discussed concerning the Bentley No.2 on Monday last, in which I have embodied my later discussion with Sg. I… | ||
| 04-page318 | Synopsis of discussions and criticisms regarding a Bentley car's performance, particularly its top speed. | ||
| View original record | S/W...Hn. C. to MGR. COPY RE BENTLEY. --------- With reference to our Conference at Brooklands on Monday, I am giving herewith a synopsis of our discussion and criticisms from this end. It is hardly… | ||
| 04-page319 | Car performance issues including high-speed steering, radiator design, and air silencer tests. | ||
| View original record | Iis. -2- C15/C15.6.33 I afterwards saw Sg. upon this and explained the discussion we had had and the difficulties of attaining the high speeds we were looking forward to, and he agreed that the… | ||
| 04-page320 | Modifications and feedback on a Bentley model, focusing on silencing and differentiation from Rolls-Royce features. | ||
| View original record | Hs. -3- C15/C15.6.33. There are, of course, different ways of looking at this, and we can take a definite decision after we have tried the car again. Could you, when sending this car up, arrange to… | ||
| 04-page321 | List of design criticisms and proposed coachwork modifications for a vehicle. | ||
| View original record | Hs. C15/C15.6.33. -4- wheels and our R-R hubs. Can you think of any means of camouflaging these hubs so that they do not look like R-R which are really such a very distinctive characteristic of our… | ||
| 04-page322 | Test drive report and critique of a Bentley car. | ||
| View original record | COPY C. Copy to FN. Re Bentley Car. I went out on this car and did about 100 miles. For the high speeds I went to Brooklands and did a lap at 82.8 m.p.h. with two up and the flying half-mile at 86.5… | ||
| 04-page323 | Test drive report for car B.II, including performance notes from Brooklands and a comparison to car B.I. | ||
| View original record | COPY Sg...from Bn. Copy to C. PH. B.II. I drove this car about 325 miles last Tuesday and went to Brooklands with JLZ on Wednesday - and I was out again for two short runs to-day. I found the car… | ||
| 04-page324 | First-hand account and test drive report of the No.2 Bentley, comparing it to the 20/25 HP model. | ||
| View original record | COPY Sg. c. to C. LHS10/CP9.6.33. I went out this morning with W.O.B. on No.2 Bentley. It was the first time I had seen a complete Bentley Car as I was laid up when No.1 came through London and I had… | ||
| 04-page325 | Concluding statement from a report, likely following a test drive. | ||
| View original record | -2- LHB1Q/CP9.6.33. In conclusion, I have never experienced a more enjoyable drive than in this car. LHS. | ||
| 04-page326 | Test drive report and critique of a car's performance, handling, and design following a 300-mile run. | ||
| View original record | COPY Sg...from PN. Copy to C. PN.1/WT8.6.33. R.H. I ran this car during the Whitsun week-end, nearly 300 miles, and my impression is generally that it is the most delightful Rolls-Royce car in all… | ||
| 04-page327 | Road test report evaluating a vehicle's performance, handling, comfort, and comparison to other models. | ||
| View original record | -2- The brakes were excellent and very well balanced. The performance of the car on steep hills was remarkable on third gear. The riding comfort was generally good but at over 75 m.p.h. there was a… | ||
| 04-page328 | Performance critique and road test report of a Bentley car. | ||
| View original record | COPY C. Re- Bentley. CXll/KWB.6.33. I took this car out this morning and Bly accompanied me. We ran it roughly 115 miles. Bly drove slightly more than half the distance. The criticisms are as… | ||
| 04-page329 | Test driver's report on vehicle handling with suggestions for design improvements. | ||
| View original record | - 2 - Cx11/KHB.6.33. Steering. The steering was very nice at slow or moderate speeds but at over 80 I should have liked it to be a little more selective. There seemed to be a great deal of lost… | ||
| 04-page330 | List of design recommendations and observations for a sports car model. | ||
| View original record | - 3 - Cx11/KMB.6.33. (8) More clearance is required between the top of the change-speed level and the bottom edge of the facia board under which it passes. (9) Stone guards could with advantage be… | ||
| 04-page331 | The test drive and evaluation of a supercharged Alfa Romeo 8 Cylinder 2 Litre sports car. | ||
| View original record | To Mr. Ev. c. to Mr. Nor. c. to E. c. to Ry. c. to Ta. c. to Wby. Re. Alfa Romeo. In our search to find what other makers are producing in the way of sports cars we took advantage of a recent visit to… | ||
| 04-page332 | Performance comparisons against Alfa, Livia, Lagonda and Invicta cars. | ||
| View original record | -2- Es.7/WJ.16.5.35. Cont'd. faster than the Alfa except for extreme top speeds. We have also tried several of the Livia cars. The last one we had on the track was a demonstration car which, with a… | ||
| 04-page333 | And seeking a decision on the best and most economical finish for the Bentley engine. | ||
| View original record | To Sg. from Hs. c.c. to Mr. c.c. to E. c.c. to Sy. c.c. to Ds. c.c. to Hdy. Hs.S/MF.16.6.33. FINISH OF BENTLEY ENGINE. We have been attempting to build up a Bentley engine to show an alternative… | ||
| 04-page334 | The performance of the 3 1/2 litre Bentley, comparing speeds, and discussing streamlined body investigations. | ||
| View original record | -2- Hs.1/WJ.17.6.33. Cont'd. As regards the difference between cars No.1 and 2 at maximum speed, we agree that No.1 from our tests is about four miles per hour faster. We cannot avoid these variations… | ||
| 04-page335 | Criticisms, anxieties, and comparisons of the 3.5 Litre Bentley regarding its performance, steering, engine noise, and price justification. | ||
| View original record | not sent To G. From Hs. c. to Sg. c. to Wsr. Ref. Hs.1/MJ.17.6.33. Re. 3½ Litre Bentley. This is to confirm our discussion which we had at Brooklands when C., PH., CX., Rn., Da/Ev., Rm., and myself… | ||
| 04-page336 | Alternative colour finishes for the Bentley engine to differentiate it from Rolls-Royce engines. | ||
| View original record | H3 X-483v To C. FROM Sg. re Finish of Bentley Sg5/E19.6.33 Copy to W.R. Hs. Engine. E.W. PA. Hsv. Referring to Hs.5/WJ.16.6.33, would you please discuss this with Cx. and any one else whom you think… | ||
| 04-page337 | Comparing the performance of a supercharged Alfa Romeo to a 3.5-litre Bentley. | ||
| View original record | XU1234 To Hs. from Sg. re Alfa Romeo. Sg11/E19.6.33 Copy to W.E.S. E.W.Hives. I have read Hs.7/MJ.16.6.33 with very great interest. I was under the impression that the 8 Cylinder 2-litre super-charged… | ||
| 04-page338 | Performance, steering, and noise issues of a Bentley car after testing at Brooklands. | ||
| View original record | To C. From Hs. c. to Wor. Hs.2/MJ.19.6.33. Re. BENTLEY. Replying to C.15/C.15.6.33. We agree that the lap speed of the green car (No.2) on Brooklands is the worst of the four cars we have so far… | ||
| 04-page339 | Bentley car performance, focusing on the trade-off between silence and speed, and mentioning ongoing vehicle tests. | ||
| View original record | -2- Hs.2/MJ.19.6.33. Cont'd. on performance. The air silencer, however, makes all the difference to the silence inside a covered body. The roar and boom from the carburetters is most distressing. W.O.… | ||
| 04-page340 | Progress report on the Bentley (Bensport) cars and the halted Peregrine project. | ||
| View original record | To Wor. From Hs. Hs.4/WJ.21.6.33. POSITION OF PEREGRINE & BENSPORT. We have completed the four Bentley cars and have had them running on the road. No.1. car, which was the original mock-up… | ||
| 04-page341 | Critiques of the Bentley Facia Board and the potential impact on instrument arrangement and material supply. | ||
| View original record | To WW. from E. c. Mr. Hs. re Bentley Facia Board. Referring to item 2 on page 3 of memo G15/C.15.6.33 which reads: "The facia board and central panel have been criticised, and EV. is attending to this… | ||
| 04-page342 | Effects of turbulent and non-turbulent cylinder heads on engine power output. | ||
| View original record | To E. From Hs/Rm. c. Sor. Rs. c. By. Da. c. Hdy. Hs/Rm.7/KT. 21.5.33. TURBULENT & NON-TURBULENT HEADS. We have frequently speculated as to the effect of the turbulent head on maximum power output. We… | ||
| 04-page343 | Material requirements for the Bentley Contact Breaker Spring. | ||
| View original record | Handwritten: 7/PH/34 To Mr. [struck through] from E. c. Wor. Hs. Heyist. [struck through] E.B/HP.21.6.33. ---------------- Bentley Contact Breaker Spring. ----------------------------- With regard to… | ||
| 04-page344 | Performance comparison graph for various Peregrine engine cylinder head configurations. | ||
| View original record | H5.1046 CYLINDER HEAD COMPARISON (PEREGRINE) CAMSHAFT HS.968 CURVES TAKEN OPEN EXHAUST LARGE PEREGRINE CARBURRETTER ON INDUCTION PIPE TO E100456 EXCEPT THAT POCKET ABOVE RISER IS FILLED IN. SLEEVE… | ||
| 04-page345 | Outlining the desired specification for the 3 1/2 Litre Bentley sports car. | ||
| View original record | To Sg. From Hs. c. to Wor. S. to C. Re. 3 1/2 Litre Bentley. We have read the reports of the officials who tried the green Bentley saloon No.2. As we have lived through the Bentley job and the car was… | ||
| 04-page346 | Report addressing criticisms of a car's performance, discussing design requirements, and comparing engine options. | ||
| View original record | -2- Hs.4/MJ.22.6.35. Cont'd. (7) The chassis should be designed to allow low centre of gravity with reasonable head room for a covered car. (8) The controls, steering, and brakes shall be light to… | ||
| 04-page347 | The future of superchargers and a review of criticisms on their own car production. | ||
| View original record | -3- Ha.4/LI.22.6.33. Cont'd. Our experience by trying all the supercharged cars which are at present being produced confirms that we were perfectly right in deciding on the unsupercharged car. This… | ||
| 04-page348 | Short memo confirming receipt of a previous letter and arrangements for a Bentley car to be brought up for discussion. | ||
| View original record | S/H...Hs. or to WOP. ---- O15/C22.6.33 Re BENTLEY. Thanks for your Es2/MJ/19.6.33, contents of which I have duly noted. We are, of course, in the main in agreement with you, and note that the car will… | ||
| 04-page349 | Use of alloy steel versus carbon steel for Bentley contact breaker springs and issues with tempering. | ||
| View original record | E. Lacy c. Hs. c. He/Plt. BY. 2/G. 22.6.33. BENTLEY CONTACT BREAKER SPRING ---------------------------- Referring to E.8/HP.21.6.33. the production of a ribbon spring of this type in our special alloy… | ||
| 04-page350 | The progress on modifications for the Peregrine and Bentley chassis. | ||
| View original record | To WDR. from E. c. Hs. By. re Peregrine and Bentley. Replying to your memo Wor.5/T.19.6.33. we are not doing anything further with Peregrine at the moment in view of the decision recently taken with… | ||
| 04-page351 | Customer expectations for a racing version of the 3½ Litre Bentley and the company's position. | ||
| View original record | To Sg. From Hs. c. to Wor. c. to O. Hs.6/MJ.22.6.33. 3½ LITRE BENTLEY. During a recent visit to Bristol we met Sir Stanley White, Chairman of the Bristol Aeroplane Co., and his young son. His son, an… | ||
| 04-page352 | Extract from a publication describing the performance and design of the new Bentley at the Brooklands circuit. | ||
| View original record | EXTRACT FROM - BROOKLANDS. JUNE.1933. "The New Bentley at Brooklands. There was much coming and going down at Brooklands the other day, when positively a cavalcade of motor-cars arrived. The two most… | ||
| 04-page353 | Failure and material properties of a Bentley Contact Breaker Spring. | ||
| View original record | To HY. from E. c.c. Mr. Hs. Haywood Bentley Contact Breaker Spring. We have no objection to the use of carbon steel as such for the make and break spring if it will do the job but this is the second… | ||
| 04-page354 | Arranging a test drive for two 3 1/2 litre Bentley models, a green car and an open car. | ||
| View original record | To C, From Hs. c. to Wor. Hs.7/MJ.23.6.33. 3 1/2 litre Bentley. We find it will be the end of next week before we shall have the green car and the open car ready for you to try. We suggest we meet you… | ||
| 04-page355 | Bentley tests on Brooklands track covering axle ratio, wings, and exhaust performance. | ||
| View original record | To Sg. from He/Lid. c. Mr. S. c. Mr. Hy. c. Mr. EV. He/Lid.1/KT.23.6.33. BENTLEY - TESTS ON BROOKLANDS TRACK. Axle Ratio. We have carried out tests on Brooklands using 2.B.IV. and 3.B.IV. to establish… | ||
| 04-page356 | Summary of comparative car performance tests with a table of results and a list of further test variations. | ||
| View original record | (2) | Car. | Cut-out closed. | Cut-out open. | Increase. | |---|---|---|---| | 2.S.IV. | 82.39 | 83.64 | 1.25 | | 3.S.IV. | 85.13 | 86.32 | 1.21 | Further comparative tests were carried out as follows… | ||
| 04-page357 | Performance graph and specifications for a Bentley Chassis 3 B R, Unit B N°2. | ||
| View original record | BENTLEY CHASSIS - 3 B R (UNIT B N°2) GEAR BOX TO N°SCH 3658 10/41 REAR AXLE IGNITION SETTING 15° B.T.D.C (LEC. 3522) EXHAUST CUT OUT (LEC 3441) OPEN SPEEDS UP TO & INCLUDING 2500 R P M IN TOP GEAR… | ||
| 04-page358 | Performance graph showing Brake Horsepower against Engine R.P.M. for a Bentley Chassis 4-B.19, Unit B N°3. | ||
| View original record | BENTLEY CHASSIS - 4-B.19 (UNIT B. N°3) GEAR BOX TO N. SCH. 3698 11/41 REAR AXLE IGNITION SETTING 13° B.T.D.C. (LEC 3522) EXHAUST CUT OUT (LEC 3441) OPEN SPEEDS UP TO & INCLUDING 2500 R.P.M IN TOP GEAR… | ||
| 04-page359 | Performance graph and specifications for a Bentley Chassis 2.B.N Unit B No 1. | ||
| View original record | BENTLEY CHASSIS 2.B.N (UNIT B N° 1) GEAR BOX TO N.S.C.H 3858 10/41 REAR AXLE IGNITION SETTING 13° B.T.D.C. EXHAUST CUT OUT (LEC 3441) OPEN SPEEDS UP TO INCLUDING 2500 R.P.M IN TOP GEAR 3000 R.P.M. IN… | ||
| 04-page360 | Performance graph and specifications for a Bentley Chassis B.17 (Unit B.4). | ||
| View original record | BENTLEY CHASSIS B.17 (UNIT B.4) GEAR BOX TO N SP 8658 10/41 REAR AXLE IGNITION SETTING 15° BTDC (L.E.C. 9882) EXHAUST CUT OUT (L.E.C. 3544 OPEN) SPEEDS UP TO AND INCLUDING 3800 R.P.M IN TOP GEAR 3000… | ||
| 04-page361 | Blueprint graph showing performance comparisons for a Bentley exhaust system with different baffling configurations. | ||
| View original record | BENTLEY EXHAUST SYSTEM 2.00 DIAM ROUND PIPE THROUGHOUT. TAIL PIPE UNDER REAR AXLE 12 . 7 . 35 B.H.P 120 110 100 90 OPEN EXHAUST A B R.P.M 3500 4000 4500 EFFECT OF BAFFLING IN REAR EXHAUST BOX A :-… | ||
| 04-page362 | Arranging a road test and comparison between two 2.5 Litre Bentley cars at Brooklands. | ||
| View original record | S/W Hs...from C. C11/C26.6.33 Re 2.5 Litre Bentley. Hs7/WJ23.6.33 I note you will be able to have the Green car and the Open car ready on Friday next. We suggest meeting you at Bigualls Corner at 12… | ||
| 04-page363 | New 3½-Litre Bentley, its unsuitability for racing, and the 'Rolls-Bentley' name. | ||
| View original record | YH-03N To Hs. from Sg. re 3½-Litre Bentley. Sg9/B27.6.33 I am in receipt of Hs.6/MJ.22.6.33, enclosing cutting from a paper called "Brooklands" and also referring to your meeting with Sir Stanley… | ||
| 04-page364 | Early development decisions and market positioning for the 3½-Litre Bentley. | ||
| View original record | To Hs. from Sg. [Crossed out: Copy to Wor. G.] re 3½-Litre Bentley. [Handwritten: hums?] Many thanks for Hs.4/WJ.22.6.33 wherein you refer to the reports of the officials who have tried the green… | ||
| 04-page365 | Car noise levels, competition with Bentley, and steering stability issues. | ||
| View original record | To Hs. From Sg. Sg8/E27.6.33 - 2 - production, the 20/25 would be out of production and replaced by J.III. I want to make it clear that I think you have produced a very wonderful car. My chief XXXXX… | ||
| 04-page366 | Desired characteristics of the 3.5 Litre Bentley, balancing noise, comfort, and performance. | ||
| View original record | XV002-✓ Ser. from Wor. Copy to [redacted] Hs. Worl3/T27.6.33. Re 3½ Litre Bentley. I have read Hs's memo several times and the more I read it the more I think it is excellent. I think it clearly sets… | ||
| 04-page367 | Testing replacement springs for a Bentley centre radiator mounting to eliminate bonnet knocks. | ||
| View original record | To E. from Hs/Les. c. to EV. X260 Hs/Les.13/KT. 27.6.33. BENTLEY CENTRE RADIATOR MOUNTING LRC.3470. We found that the above scheme, with fairly soft control rubbers either side of the centre point,… | ||
| 04-page368 | Performance, quietness, and development philosophy of the 3½-Litre Bentley. | ||
| View original record | To WDH. from EH. re 3½-Litre Bentley. Copy to C. Hs. [Text is struck through] Thanks for Ror13/T27.6.33. I agree that Hives memo., to which you refer, is excellent. Yours has crossed mine of… | ||
| 04-page369 | Query regarding the correct oils to be used for a 3½ Litre Bentley chassis. | ||
| View original record | Hs/Rm from Mx. (485) ✓ Mx13/T28.6.33. 3½ Litre Bentley. Will you please let me know what oils we should use in the engine, gear box, axle, steering box etc. on this chassis. LID See me HS | ||
| 04-page370 | Timing tests and recommendations for Bensport engines. | ||
| View original record | To Rm. from Gry. TIMING BENSPORT ENGINES. Following tests carried out on C. XI unit. (1) Tappets .020; positions inlet opening and closing, turning engine forward from flywheel found to be within 10°… | ||
| 04-page371 | Difficulty in timing Bentley engines and a proposed solution. | ||
| View original record | To BY. from Hs/Rn. c.c. to Eft. c.c. to S. c.c. to Mx. c.c. to HIC. Hs/Rn.3/KT.1. 7.33. TIMING OF THE BENTLEY ENGINES. We have run into a difficulty in timing the Bentley engines. Now that we have put… | ||
| 04-page372 | Design changes to Bentley parts to differentiate them from Rolls-Royce components. | ||
| View original record | To BY from E/JNK. c. Hcr. Hft. Hs. E/JNK./HP.1.7.33. re Bentley At a Conference held at Brooklands it was decided to camouflage some of the parts to get away from RR. features, and we have dealt with… | ||
| 04-page373 | Multiple mechanical issues found during a test drive of an Open Bentley, including overheating, engine clatter, and a loose flywheel. | ||
| View original record | X/XS2 S/W. Hm. re- Open Bentley. I took this car out on Saturday morning but had not gone far before I discovered the water temperature was approaching boiling and discovered that the near side half… | ||
| 04-page374 | Investigating a flywheel failure on an Open Bentley caused by engine over-revving. | ||
| View original record | To Ox. From Hs. c. to W. c. to C. c. to Sc. c. to Nor. c. to S. Re.OPEN BENTLEY. We are sorry this car went wrong with you as the weather was ideal for enjoying an open car. The failure on the car is… | ||
| 04-page375 | The marking of the revolution counter on production cars. | ||
| View original record | -2- Es.3/JL.4.7.33. Cent'D. your impressions. At the same time the rev. counter will be marked as we intend to mark them on production cars. Hn. | ||
| 04-page376 | Results of Bentley car tests at Brooklands and points for improvement. | ||
| View original record | To Mr. Frewen Esq. C. to Cor. C. to Ry. C. to Hy. C. to M. C. to G. C. to Ck. C. to HZ. Re. Bentley Cars on Brooklands. Last Friday 30th. June, Bentley cars numbers 2, 3, and 4 (Green Saloon, Blue… | ||
| 04-page377 | Agreement regarding the design and painting of the radiator grille. | ||
| View original record | -2- No.S/BT.4.7.33. Cont'd. (6) Radiator Grille. - It was agreed that the grill in front of the radiator of the cane bottom chair design should be used on the first cars. It was thought that this… | ||
| 04-page378 | The maximum speed testing of three 3.5 Litre Bentley cars at Brooklands Track, comparing different wing types. | ||
| View original record | To Sg. from Ha/Lid. c. or. E. c. Da. RY. c. EV. Ha/Lid.3/Kr.4.7.33. 3½ LITRE BENTLEY - BROOKLANDS TRACK. We have tested three Bentley cars (Viz. 2.Z.IV., 3.S.IV., and 4.S.IV.) for maximum speed on… | ||
| 04-page379 | Maximum speeds recorded and speedometer corrections for several cars. | ||
| View original record | -2- Ha/Lid.3/KT.4.7.33. On the road between Weedon and Towcester, the following maximum speeds were recorded on the speedometer :- 2.B.IV. - 98.5 m.p.h. 3.B.IV. - 99.0 m.p.h. 4.B.IV. - 100.0 m.p.h.… | ||
| 04-page380 | Recommended oils for the 3 1/2 litre Bentley. | ||
| View original record | To Mx. from Hs/Lid. Hs/Lid.4/KT.4.7.33. OILS FOR 3 1/2 LITRE BENTLEY. We should use the same oils on this car as we use standard on P.II. and 20/25 HP. viz:- Engine - Motorine 'C' or Wakefields 'XL'.… | ||
| 04-page381 | The extra cost in bonus hours and materials for making Rocker Cover and Tappet Cover Nuts for the Bentley 3½ Litre. | ||
| View original record | Sft.4/D1.4.7.33. Hs. BENTLEY 3½ LITRE. Ref. R/JNR.1/HL.1.7.33 - LBG43531. The extra cost for making Rocker Cover Nuts and Tappet Cover Nuts, separate design from Std. 20/25-H. would be about 12 bonus… | ||
| 04-page382 | Modifying Bentley filler caps with a medallion from wheel nuts for interchangeability with 20-HP and Phantom models. | ||
| View original record | To BY. from E/JNH. c For. Hs. [Handwritten]: RV 195- Rm E/JNK.6/Hr.4.7.33. re Bentley Camouflage Features. We send you herewith a drawing LeC.3557 showing the petrol and the oil filler cap marked with… | ||
| 04-page383 | Release and proposed alteration of a spare ignition coil bracket for a Bentley. | ||
| View original record | X-r-r-13- To Hs. from E./JNR. E/JNR.1/HP.4.7.33. C-3455- re Spare Ignition Coil Bracket - Bentley. Will you please report if (the following words are struck through: this is satisfactory) as we wish… | ||
| 04-page384 | Follow-up letter discussing the performance and rev limits of an Open Bentley during a test drive. | ||
| View original record | [Handwritten]: PHS J. ✓ S/W. -> Hs. c. to Ss.Wor.C. C. S.P.H. [Struck through] re- Open Bentley. Cx19/KWS.7.83. Thanks for your Hs.3/MJ.7.83. and I note all you say. It is I should say very easy for… | ||
| 04-page385 | Flywheel adjustments and a test drive of an Open Bentley before a trip to France. | ||
| View original record | S/W. Hs...from PN. PN.9/WT5.7.33. Open Bentley. Referring to your Hs.8/MJ.4.7.33 I have noted your remarks and conclude that when this car comes to London for the week-end the flywheel will be fixed… | ||
| 04-page386 | The selection and ordering of sparking plugs for the 3½ Litre Bentley engine. | ||
| View original record | WOV (crossed out) c. E. Dept. VARIOUS? c. Hs. c. Hx. BY/SS.2/J.6.7.33. 3½ Litre Bentley - Sparking Plugs. The Experimental Dept. are not yet in a position to give a decision on the type of 14 m/m… | ||
| 04-page387 | Polished finish for the 'Bentley' name on the engine valve cover for cars at Brooklands. | ||
| View original record | xerv Cxll/KMB.7.38. S/W. Hs. c. to Wop. Sg. c. " E.W. [struck through] c. " F.M. C. [struck through] c. " E.P. Hx. [struck through] Hs8/MJ4.7.38. Re- Bentley Cars on Brooklands. Re paragraph numbered… | ||
| 04-page388 | Serious danger of over-revving the Bentley engine and seeking effective solutions beyond a red mark on the revolution counter. | ||
| View original record | Hs F.W.V.3.d. To Hs. from Sg. Copy to Mr. H. C.[redacted] Rm. DN. re Bentley Car. Sg11/E7.7.33 Referring to Hs.3/MJ.4.7.33 and Cx19/KW5.7.33 you say that it is certain that, if 4500 engine revs. are… | ||
| 04-page389 | The selection of sparking plugs for the 3 1/4 Litre Bentley. | ||
| View original record | To BY/SS. from Hs/Rm. c.c. BDY. c.c. E.Dept. c.c. MX. 3 1/4 LITRE BENTLEY - SPARKING PLUGS. We shall not be in a position to recommend definitely a sparking plug for the first 15 production chassis… | ||
| 04-page390 | The flexibility of a spare ignition coil bracket for a Bentley, clearing it for production. | ||
| View original record | Ker534 E/JNR. from Hs/Lid. Hs/Lid. 2/KT. 8.7.33. SPARE IGNITION COIL BRACKET - BENTLEY. The spare ignition coil bracket is rather flexible, allowing the coil to vibrate slightly. In view of the… | ||
| 04-page391 | Test drive report and critique of an Open Bentley, comparing its performance to the 40/50 Continental. | ||
| View original record | S/W. Hs. c. to MOP. Eg.C. c. " Rm. PN.RH.Ev. re- Open Bentley. I had the opportunity of once again trying this car on Saturday after the troubles of the previous week had been rectified, and I can… | ||
| 04-page392 | List of suggestions and critiques concerning the bodywork and interior of a car, covering safety and design improvements. | ||
| View original record | - 2 - (3) to injure his leg against it. (4) An alternative suggestion for the clock to the present system of having it incorporated in the face of the revolution counter would be to have one made of… | ||
| 04-page393 | Report discussing potential car design improvements, body styles, and performance results. | ||
| View original record | - 3 - Cx15/AW11.7.32. we could sell quite a number of these cycle type wings to purchasers of this car. I notice a lot of Lagondas about with this type of wing and some experience with them might be… | ||
| 04-page394 | Request for the complete weight of a production chassis and car for the Bentley Guarantee. | ||
| View original record | S/W (Hs/LID). LID x urs.N Cx/Bly6/CP26.7.33. re. Bentley Guarantee. Further to your Hs/LID/KT16.6.33. we shall be glad to hear whether you can now give us the complete weight of the production… | ||
| 04-page395 | Potential change to the Bentley 'B' emblem to a Winchester italic design. | ||
| View original record | S/W. HS. c. to Sg.Wdr. c. " G. SY. c. " DA, Bu. c. " EV.S. Re- Bentley. Cx25/DGE25.7.32. With reference to the 'B' on the radiator and the 'B' on the hub caps, etc., C. suggested to-day that in order… | ||
| 04-page396 | Modifications and improvements to the Bentley starter motor. | ||
| View original record | To Hurst.) From E. c. Mr. Hives. Mr. NWC. SFT. Improved Bentley Starter Motor. --------------------------- This confirms our discussion that the two motors of increased torque type being made up for… | ||
| 04-page397 | Proposing a meeting to discuss a 10,000-mile test for the 3 1/2 litre Bentley. | ||
| View original record | To Mr. From Mr. C. to Mr. Cr. C. to Mr. H. C. to Mr. Rh. C. to Da. C. to Wy. C. to EV. Re. 10,000 Miles Test on 3½ LITRE BENTLEY. We propose bringing the Bentley car which is going over to France to… | ||
| 04-page398 | Improved fixing of the flywheel on the Bentley car and the associated risks. | ||
| View original record | Y C113V To Sq. From Hs. O. to Jef. R. O. to C. Ex. Bi. M. Hs.4/HJ.12.7.38. Re. Bentley Car. Replying to Sg.11/E7.7.38. We have held up replying to this memo, until we have had experience with the… | ||
| 04-page399 | Outlining proposed modifications and improvements for the 3½ Litre Bentley second series. | ||
| View original record | To AG. From Es. c. to For. c. to E. c. to Ds. c. to By. c. to V. c. to Ha. Re. 3½ Litre Bentley. Now that we have completed our model production car for 10,000 miles test we wish to consider… | ||
| 04-page400 | List of proposed modifications and tests for a vehicle, covering points 5 to 11 on steering, gears, brakes, and more. | ||
| View original record | -2- No.1/WJ.18.7.33. Cont'd. that this type of propeller shaft will only need lubrication every 10,000 miles. Also we ought to get considerable reduction in cost. We have bought a propeller shaft to… | ||
| 04-page401 | Proposed modifications and tests for a car, including compression ratio, rear axle oil leaks, and radiator design. | ||
| View original record | -2- Hs.1/ML.LD.T.W. Sent's. (12) Compression Ratio. We want to try a higher compression ratio. The standard compression ratio for the Bentley cars is 6.6. The open car which was in London last week… | ||
| 04-page402 | Crankshafts, flywheels and the production status of the 3 1/2-Litre Bentley Car. | ||
| View original record | H3 To Hor. from Sg. Copy to F.He.C. Co.Br.PH. re 3 1/2-Litre Bentley Car. I am in receipt of Wor7/E12.7.33 and have also received Hs.4/WJ.12.7.33. I am very pleased to note that it is not considered… | ||
| 04-page403 | Confirming a meeting arrangement for the 10,000 miles test on a 3 1/2-Litre Bentley. | ||
| View original record | To Hs. from Sg. Copy to Wos.E.Cx. Rn.Dk.HY.Ev. re 10,000 Miles Test on 3 1/2-Litre Bentley. Sg9/E13.7.33 Replying to Hs.8/MG.12.7.33 the suggestion you make of meeting at Bignall's Corner at 12… | ||
| 04-page404 | List of outstanding design changes and information required for the 3.5 Litre Bentley Chassis. | ||
| View original record | c. Hs. c. Sft. BY.11/G.14.7.33. 3¼ LITRE BENTLEY CHASSIS. Apparently we are still short of the following designs :- (1). Change to exhaust system as agreed in Hs's Office, Tuesday, 11th. July,… | ||
| 04-page405 | Introduction of new features on the 3½-Litre Bentley and the importance of maintaining brand hierarchy. | ||
| View original record | COPY. To Hs. from Sg. Copy to Wor. E. DA. BY. Bn. EV. re 3½-Litre Bentley. Sg9/E14.7.33. x 3993 I am in receipt of Hs.1/W.13.7.33. and have noted with interest all you say. I feel, however, there is a… | ||
| 04-page406 | Concerns about the development focus between the Phantom II, 25 HP, and Bentley models. | ||
| View original record | To Sg. From Hs. C. to Wor. C. to Ds. C. to By. C. to Hn. C. to Ev. 4173 Hm.2/EJ.15.7.33. No. 3 1/2 Litre Bentley. X8593 Replying to Sg.9/E.14.7.33. We are sorry you should get the impression that… | ||
| 04-page407 | Request for information on two outstanding modifications for the 15th Bentley Chassis. | ||
| View original record | KL4583✓ from Sft. Hs. Sfts/BH.15.7.33. BENTLEY. In regard to the modifications to be introduced on the 15th Chassis, we have most of those items well in progress. There are two however, i.e. New… | ||
| 04-page408 | Modifications and specifications for the exhaust system and side steering tube springs. | ||
| View original record | To R. From Hs/Em. c. to Ev. c. to Sft. Hs/Em.S/KT.17.7.33. With reference to EY.11/C.14.7.33. The following is the latest information we can give you with regard to the four points raised. (1) Exhaust… | ||
| 04-page409 | Leverage alteration for the servo countershaft lever on early Bentley cars. | ||
| View original record | -2- Hs/Fm.E/KT.17.7.33. (4) The leverage alteration we have made is to substitute servo countershaft lever N.S. G.7634C.. for lever G.22051. which was fitted to the first 15 Bentley cars. The… | ||
| 04-page410 | Modification to a Bentley rear expansion box to achieve silence with a fishtail under the rear axle. | ||
| View original record | H.S. 1073 MODIFICATION TO BENTLEY REAR EXPANSION BOX TO GET SILENCE WITH FISHTAIL UNDER THE REAR AXLE. .750 A DISTANCES A ALL 1.500" BOX OTHERWISE TO L.E.C. 3521. PIPE DIA AS ON THIS DRAWING.… | ||
| 04-page411 | Parts to be changed on the first 15 chassis of the 3½ Litre Bentley. | ||
| View original record | C. Dept. E. Dept. G. Dept. D. Dept. S. S. Dept. C. Hs. G. Hs. C. Hs. BY.1/G.19.7.33 3½ LITRE BENTLEY - RE: PARTS WHICH MUST BE CHANGED ON FIRST 15 CHASSIS.… | ||
| 04-page412 | List of modifications and instructions for various vehicle components including the piston, carburetter, and clutch. | ||
| View original record | - 2 - BY.1/G.19.7.33. (b). Piston. Scraper rings with .050" width of groove instead of plain rectangular ring. (4). Carburetter. (a). A common drain to be fitted to the carburetter and air silencer to… | ||
| 04-page413 | List of specifications and modifications for various car components including the rocker cover, ignition, petrol pipe, and brakes. | ||
| View original record | -3- (9). Rocker Cover. (a). The polished rib to be shown round the bottom of the cover. (b). The word 'Bentley' to be polished on the top. (c). An edging or border was instructed to be polished round… | ||
| 04-page414 | Fitting instructions for brake levers, spare coils, dashboard clips, and rocker cover nuts. | ||
| View original record | - 4 - BY.1/G.19.7.33. with Hs/Ea.5/KT.17.7.33. Lever G.78540 is to be used in place of G.52051, but Ea. is to set this out and check it before we go ahead. (d). Brake lever on the front axle to be set… | ||
| 04-page415 | Troubles with modifications to a 10,000-mile production Bentley car, specifically the petrol system and gear lever knob. | ||
| View original record | To By. from Hs/Ra. c.c. Wor. c.c. E. c.c. Hdy. Hs/Ra.3/KT. 20.7.33. PRODUCTION BENTLEY CARS. We ran into trouble with two of the final modifications which were only put on the 10,000 miles car at the… | ||
| 04-page416 | Meeting to approve final details for the 3½ litre Bentley following a 10,000-mile test. | ||
| View original record | S/W. Hs. C. to Mr.Nor. C. " Mr.C. C. " Mr.SY, DA. C. " Mr.BY. XH-553.V Cx2/KW20.7.32. Report on Meeting at Bignall's Corner - 10,000 Miles Test on 3½ litre Bentley. This meeting was arranged for Sales… | ||
| 04-page417 | The acceptance test of the first production Bentley chassis. | ||
| View original record | Wor C G Hs EP26/MH.21.7.33 re PRODUCTION BENTLEY CHASSIS ----------------------------- We have today carried through the acceptance test of the first production chassis! From the running point of view… | ||
| 04-page418 | The decision not to move the petrol tap to the offside of the dashboard. | ||
| View original record | BY/CS c. Sft. c. P. c. Hg. BY.3/G. 21.7.33. Will you please note that it is not proposed at the moment to move the petrol tap to the offside of the dashboard, as shown on LeC. 3573 until the… | ||
| 04-page419 | Essential modifications for the first 15 chassis of the 3½ Litre Bentley. | ||
| View original record | BY.11/G. 21.7.33. 3½ LITRE BENTLEY - RE: ESSENTIAL MODIFICATIONS TO THE FIRST 15 CHASSIS Further to BY.1/G.19.7.33. the following points have been modified somewhat, and the altered position dealing… | ||
| 04-page420 | List of modifications and instructions for various chassis components. | ||
| View original record | - 2 - HY.11/G.21.7.33. E. is giving EY's department particulars, and the Lever will be issued this weekend. Spare Coil. (Item 13). This is not to be fitted on first 15 chassis. Spare points and… | ||
| 04-page421 | Forwarding a letter and arranging an urgent meeting about the dispatch of 15 cars before the holidays. | ||
| View original record | H. BY. SFT. Rm. from Wor. WorB/21.7.33. I send you herewith copy of a letter I have just received from Hs. Will you kindly give it your urgent attention. After you have had time to consider it I… | ||
| 04-page422 | The results and issues from a 3 1/2 Litre Bentley test in France. | ||
| View original record | Copy. To Wor. from Hs. Sevres, Hal/Crm.20.7.33. Re 3 1/2 Litre Bentley test in France. I daresay that Rm has reported the result of our meeting with Sg. and Sales officials in London. The appearance… | ||
| 04-page423 | Faults found during a road test from Havre to Paris, including loose seats, a loose wing, and a noisy gear lever. | ||
| View original record | Contd:-2- On the ride from Havre to Paris, the front seats came adrift, and the screws holding the floorboards pulled through the wooden boards. This is a very serious fault because it usually happens… | ||
| 04-page424 | Withdrawing a suggestion to use Winchester italic for the Bentley 'B' on hub caps, in favor of matching the existing radiator emblem. | ||
| View original record | S/W. HS. c. to SS. Wor. c. " S G. BY. c. " DA, Bn. c. " CY.H. re- Bentley. In my CxE/KM20.7.33, I suggested that the 'B' you are proposing to put on the hub caps of this car,it should if possible take… | ||
| 04-page425 | Finish specifications for a Bentley engine unit. | ||
| View original record | To BV. from Hs/Rm. c.c. to E. FINISH OF BENTLEY UNIT. In case there is any argument as to the finish of the unit inspected by Sales, we give below the specification as supplied by RRC. CYLINDERS.… | ||
| 04-page426 | Design, engraving, and weight of detachable wheel nuts for a Bentley vehicle. | ||
| View original record | X.W.C.P.3.N To C.P. from E. E.2/HP.26.7.33. c.c. Mr. Her. HBF RFW Sft. re Bentley. Referring to your memo tx.25/KB.25.7.33, we attach herewith a 'photograph of the detachable wheel nuts we are… | ||
| 04-page427 | Photograph of a chrome-plated hexagonal switch knob with a 'B' logo. | ||
| View original record | B ON OFF | ||
| 04-page428 | From EV to HS regarding the shelving of the Bensport 100 M.P.H. car project, forwarding a rough sketch for feedback. | ||
| View original record | To HS. FROM EV. EV2/1.2.36. BENSPORT 100 M.P.H. CAR. Although for the moment the idea of producing a 100 M.P.H. car has to be put on one side, I am sending to you the rough sketch which I produced to… | ||
| 04-page429 | Blueprint detailing the design for a proposed 100 M.P.H. Bentley. | ||
| View original record | PROPOSED 100 M.P.H. BENTLEY. ROLLS ROYCE. LTD. PRINT ROOM APR 11 1933 DERBY. R.B.33 | ||