Rolls-Royce Archives
| Identifier | Entry | ||
| img001 | Making a starter motor interchangeable with a Bosch unit for specific models, and related safety circuit considerations. | ||
| View original record | E. ) [Strikethrough] BY. ) [Strikethrough] FROM R. HS. ) (At Le Canadel.) Copy to SS. WCR. [Strikethrough] WST ORIGINAL R1/M4.1.32. Sent from WW. 7.1.32. X6091 X6134 STARTER MOTOR. J. 3., PEREGRINE, &… | ||
| img002 | Improvements to gearbox silence through changes in gear design, grinding processes, and bearings. | ||
| View original record | FROM R. DA/HEV) (AT Le Canadel.) HS. ) Copy to CC. WOH. Hives ORIGINAL SILENT GEARBOXES. Very many years ago we introduced single helical side-shafts and got much greater silence when idling, and on… | ||
| img003 | Urgent improvements for 'F' & 'H' aero engines, specifically regarding cylinder construction and supercharging. | ||
| View original record | FROM R. (at Le Canadel.) AERO ENGINES (BOTH 'F' & 'H'.) My impression is that we have some very serious work to do to these to improve performance, reliability and practicability, which naturally… | ||
| img004 | Outlining proposed developments and improvements for the Kestrel engine. | ||
| View original record | ~~RC.~~ ) FROM R. HS. ) (At Le Canadel.) ~~O. to SS. WOR. BY.~~ R4/M4.1.32. Sent from WW. 7.1.32. Kub57. PROPOSED NEW 'KESTRELS' (FOR DEVELOPMENT.) It was decided that experience-(R. and C.I.… | ||
| img005 | Outlining considerations for the Continental Phantom's carburettors and extra oil system. | ||
| View original record | ORIGINAL. R1/M6.1.32. Sent from WW. 9.1.32. FROM R. HS. ) (At Le Canadel.) C. to SS. WOH. RG. N-O. CONTINENTAL PHANTOM - CARBURETTERS, EXTRA OIL, ETC. Looking at this from a distance - i.e. not the… | ||
| img006 | Gearbox noise issues with the 25HP Synchro Mesh Helical 3rd Gearbox. | ||
| View original record | FROM R. HS. - ER. ) (At Le Canadel.) Sent from WW. 9.1.32. 25HP. SYNCHRO MESH HELICAL 3rd. GEARBOX. Gearbox noises with helical gears always in mesh will never be quite all we would like, but should… | ||
| img007 | Proposed engine power improvements, including valve lift, supercharger application, and valve timing adjustments. | ||
| View original record | FROM R. (At Le Canadel.) C. to SG. WOR. RG. R2/46.1.32. Sent from W.W. 9.1.32. x5090. x7090. x4553. CAR WORK - ENGINE POWER Good and sound progress is being made and I quite agree with most of the… | ||
| img008 | Use of .6 carbon steel for engine cylinder liners. | ||
| View original record | RC. [redacted] ) FROM R. HS. -BY. ) (At Le Canadel.) [Strikethrough: Copy to SG. [redacted]] R4/46.1.32. Sent from WW. 9.1.32. ENGINE CYLINDER LINERS. X4684. HL tells us, I understand, that .6 carbon… | ||
| img009 | Steering lock modifications for 18 inch diameter wheel rims to improve the turning circle. | ||
| View original record | FROM DA. C. to HS. C. to DY. E. (Struck through) J. 3. STEERING LOCK. DAL/W7.1.32. X5430. With the use of 18" dia. wheel rims it becomes impossible to get the cross steering tube joint between the… | ||
| img010 | Schemes for J.3 Shock Dampers. | ||
| View original record | BI. FROM DA. C. to SG. MS. J. 3. SHOCK DAMPER. DA1/M9.1.32. + SS~O. Herewith N. schemes 3405/33X2., Please return two prints as quickly as possible. DA RECEIVED 1932 JAN 11 | ||
| img011 | Potential modifications to the 20/25 engine's water pump to address boiling issues at low RPM. | ||
| View original record | ORIGINAL BY. FROM E. E1/M11.1.32. C. to SG. MR. HS. x5770. x766. 20/25 ENGINE - re. BOILING AT 200 RPM. We do not know what difference in head was eventually measured by HNK. at 200 RPM. of the… | ||
| img012 | The investigation of a 25HP S.M. gearbox, giving approval to proceed to production with a qualification on its lubrication system. | ||
| View original record | FROM DA. Copy to HS. 25HP, S. M. GEARBOX. DA1/W11.1.32. x 5310 With the investigation we carried out on this box taken from 18-G-4 on Friday last we believe you have all the information from us that… | ||
| img013 | Recommended design modifications for the Continental Phantom's petrol pump to improve output at higher speeds. | ||
| View original record | ORIGINAL HS. ) FROM E. BY. ) PETROL PUMP - CONTINENTAL PHANTOM. X7120. When in Derby we went over the position of the above with RM., and the progress that had been made towards obtaining satisfactory… | ||
| img014 | Use of high-grade steel for aero engines and other components. | ||
| View original record | SC/ (crossed out) FROM R. KOR. (crossed out) ) (At Le Canadel.) BY. (crossed out) ) R1/M12.1.32. Sent from WW. 15.1.32. C. to F.S. or H.C. re. USE OF FIRTH'S HIGH GRADE STEEL. (PRODUCED BY ELECTRIC… | ||
| img015 | Coachbuilding strategy, quality control, and confidentiality concerns. | ||
| View original record | [strikethrough]Sg. FROM DA/EV.[/strikethrough] DA/EV1/M12.1.32. C. to WOR. HS. B. BODIES - J. 3. X5830. The writer appreciates the compliment in the suggestion that he should supervise the building of… | ||
| img016 | Drawing for modifying a 20/25 water pump. | ||
| View original record | ORIGINAL. DY. FROM E. Copy to HS. 20/25. WATER PUMP. E2/M12.1.32. X5150. Referring to our telephone conversation this afternoon we send you herewith a drawing shewing how/we have carried the question… | ||
| img017 | The interference between the front shock damper and rivets on the engine carrying cross member. | ||
| View original record | DA1/M12.1.32. x5770. FROM DA. C. to HS. J. 3. ENGINE CARRYING CROSS MEMBER. Herewith N. sch. 3408. which shews the front shock dampers in relation to the end brackets of the sheet metal cross member… | ||
| img018 | Design drawing for the Peregrine engine's battery ignition, noting the control rod now clears the cylinder. | ||
| View original record | FROM E. C. to HS. E3/M12.1.32. PEREGRINE - BATTERY IGNITION. X3199 We send you herewith LeC. 2990, showing the distribution to design LeC. 2937, mounted on the engine. It will be noticed that the… | ||
| img019 | Design of a non-spring loaded gland for a shock damper to reduce cost and save space. | ||
| View original record | HS. FROM DA. ORIGINAL. DA5/M13.1.32. SHOCK DAMPER - N. SCH. 3405. X 837 On this sch. we/have shewn a non spring loaded gland because you have said that/you thought it would be satisfactory. The object… | ||
| img020 | Automatic brake adjustment mechanism for an epicyclic 3rd speed gearbox, suggesting material and design changes. | ||
| View original record | HS.) FROM DA. C. to SG. WOR DA1/M13.1.32. x7310. x7360. EPICYCLIC 3rd. SPEED GEARBOX. AUTOMATIC BRAKE ADJUSTMENT. The cotton duck appears to be upsetting the operation of this scheme. The number of… | ||
| img021 | Initial proposal and sketch for the J. 3 instrument board layout. | ||
| View original record | FROM DA/EV. C. to SG. WOR. HS. DY. J. 3. INSTRUMENT BOARD. X6135 The initial proposal for the instrument board on J. 3. we understand is to have a central patch with a RR. switch in the middle. The… | ||
| img022 | Requirements and alternatives for electric horns for model J.3, noting the ineffectiveness of some existing options. | ||
| View original record | SG. FROM DA/EV. DA/EV2/M17.1.32. Copy to L. HS. J. 3. X6032 The writer proposes visiting Sales on Friday and would like to receive the latest views of the Sales Dept. on the subject of electric horns… | ||
| img023 | Design of a shock damper with distant control, referencing scheme 3405. | ||
| View original record | FROM DA. LID See me HS DA1/M14.1.32. C. to SG. HS. C. to DV. EA. x5520. J. 3. SHOCK DAMPERS. Attached is a print of N. sch. 3405. - Shock Damper with distant control. The shock damper is exactly the… | ||
| img024 | Design and suitability of a guard ring type steering column control. | ||
| View original record | HS. FROM R. (At Le Canadel.) C to SG. WOR. E.D. DA. ORIGINAL R1/W15.1.32. Sent from WW. 19.1.32. x 5430. x 7430. x 4553. x 4057. STEERING COLUMN CONTROLS - GUARD RING TYPE. These are at Derby being… | ||
| img025 | Possibility and risks of purchasing steel from sources other than Firth's, focusing on price and uniformity. | ||
| View original record | K. FROM R. (At Le Canadel.) C.C. to FG. F. to D.C. RC. RGX. R2/MS.1.22. Extract from GEB. 13.1.22. X1474 re. Steels. I feel it is quite possible to buy steels from a few other sources than Firth's… | ||
| img026 | Crankshaft vibration dampers and a comparison with the Bentley 8. | ||
| View original record | HS. ) FROM R. RE. ) (At Le Canadel.) E. ) C. to SG. WCR. HS/GRY. [strikethrough] R3/M15.1.32. Sent from WW. 19.1.32 x634. x3805. re. CRANKSHAFT PERIODS, AND BENTLEY 8. I have long thought that our… | ||
| img027 | Positioning and policy for a high-frequency electric horn. | ||
| View original record | HS. FROM E. WST E1/M15.1.32. C. to SG. WOR. CX. C. to RM. DY. EV. High Frequency Electric Horn. X6032 Re. your memo. HS/WST2/ADL3132., we have arranged for EV. to ascertain Sales views on this… | ||
| img028 | Proposing a revised method for the oil connection on the 25HP front axle to address assembly difficulties. | ||
| View original record | FROM DA. C. to HS. 25HP. FRONT AXLE. X5020. Herewith we send N. sch. 3411. shewing the proposed method of carrying the oil connection through the brake carrier plate to avoid the assembling… | ||
| img029 | Specifications for the front end of the J. 3. chassis, with comparisons to the 25HP model. | ||
| View original record | BT. FROM DA/EV. C. to H.S. J. 3. - FRONT OF CAR. x 5830. x 5380. We send herewith N. sch. 3413. showing the front end of J. 3. chassis. BONNET. This drawing will enable you to set out the rivetless… | ||
| img030 | Design of the dashboard fixing and side wheel carrier, suggesting tests to simplify the assembly. | ||
| View original record | FROM DA/EV. C. to HS. LES See me HS x5500. x5600. J. 3. DASHBOARD FIXING, AND SIDE WHEEL CARRIER. We send herewith N. sch. 3414. showing the dashboard fixing and side wheel carrier. We have shown the… | ||
| img031 | Print showing the P.3 front axle control, its steering locks and lubrication method. | ||
| View original record | /. FROM DA. C. to MR. HS. DY I. DA2/M16.1.32. X5470. P. 3. FRONT AXLE CONTROL. Herewith we send print of N. Sch. 3409., shewing the front axle control for P. 3., using the standard damper outside the… | ||
| img032 | Sending prints for a centre tubular cross member with solid flanges and an issue with twisted flanges. | ||
| View original record | FROM DA. C. to HS. J. S. FRAME. DA3/M16.1.32. x5380. Herewith we send N. sch. 3412. shewing the centre tubular cross member with solid flanges, in accordance with BY2/G111231. It is appreciated that… | ||
| img033 | Bensport crankshaft, analyzing critical frequencies and damper inertia in comparison to Bentley and other engine models. | ||
| View original record | A. FROM E. C. to SG. WOR. (Strikethrough) C. to HS. HY. GRY RECEIVED 23 JAN 1932 E1/M16.1.32. K4583 BENSPORT CRANKSHAFT From report HS/GRY3/MA12132.f it is seen, as was anticipated, that the mass of… | ||
| img034 | Proposal for body wiring and accessory boards, suggesting repeating the accessory distribution box at the rear of the frame. | ||
| View original record | HS. ) FROM E. DY. ) WST ORIGINAL El/M18.1.32. C. to SG. WCR. DA/EV. X6082 X7741 P. 2. BODY WIRING & ACCESSORY BOARDS. To meet the requirements of the body builder as regards lighting and accessories,… | ||
| img035 | The modification scheme for SU carburettors on the Continental Phantom chassis. | ||
| View original record | SG. FROM E. Copy to HS. re. CONTINENTAL PHANTOM. E1/M1y.1.32. x7120 Referring to your memo. SGS/E18132., I am taking up tonight with me to Derby the scheme of the modifications for which we are asking… | ||
| img036 | Manufacturing and specifications for car bodies for the JAPAN 3 and PEREGRINE 2 models. | ||
| View original record | S.G. FROM DA/EV. C. to WOK. HS. E. ORIGINAL DA/EV1/A19.1.32. re. BODIES. x5830. x4027. JAPAN 3. Confirming our conversation on Friday last the writer understands that it is agreed to build 2 bodies… | ||
| img037 | Options for coachwork, including building experimental bodies in-house versus sourcing from production firms like Rootes. | ||
| View original record | (2) 1. The chassis moves to the body more easily than the body to the chassis. 2. The onus for good coachwork falls wholly on the body builder, who by the alternative sch. would blame us for the… | ||
| img038 | Move from external floodlighting to internal lighting for instrument boards. | ||
| View original record | HS. ) FROM E. E3/M19.1.32. INSTRUMENT BOARDS. X6135. From time to time the question of instrument board arrangements has been discussed by R. at WW. and the scheme that ultimately emerged was a… | ||
| img039 | Request for the estimated weight of a 20-G-4 chassis and body, with handwritten weight calculations. | ||
| View original record | HS. FROM DA/EV. ORIGINAL. DA/EV6/M20.1.32. Copy to ~~HN~~ 20-G-4. COACHWORK. X4538 we should be glad to receive from you your estimated weight of the 20-G-4. chassis ('U' series), and from Sales their… | ||
| img040 | The need for a damper indicator oil gauge for the J. 3. instrument patch. | ||
| View original record | HS. FROM DA/EV. DA/EV7/M20.1.32. J. 3. INSTRUMENT PATCH. X6135 Since J. 3. is intended to have hydraulic shock dampers controllable from the driving seat a damper indicator will be required in the… | ||
| img041 | Target weight for the Peregrine chassis and finished car in comparison to competitor models. | ||
| View original record | L. FROM DA/EV. C. to SG. WP. HS. EH. PEREGRINE 2. DA/EV22.1.32. X4027 In order to come to some decision as to what should be the weight of the Peregrine chassis, and the weight of the finished car, we… | ||
| img042 | Comparative table of specifications for various motor cars, including Rolls-Royce models and their competitors. | ||
| View original record | CAR. c.cs. Wheel-base. ft. ins. Chassis wight. cwts Wt. of Saloon cwts Body weight cwts Fully Laden. cwts Weight per litre. lbs. Gear ratio. Wheels. Phantom 2. 7668 12. 6 36 46.50 10.50 52 760 3.72 7… | ||
| img043 | Advantages of independent springing and proposing the creation of a chassis scheme. | ||
| View original record | Sgd. FROM E. Copy to HS. E1/M23.1.32. X4484 Referring to your memo, SG29/EWSg132.., please find attached the treatise in question. We are interested to note that the author expresses views which… | ||
| img044 | Potential design flaws and failures in the Phantom II gearbox, and proposing alternative gearbox designs. | ||
| View original record | Copy of original To Hs. From R. (At Le Canadel). C. to E. Da. C. to DY Sg. C. to WOr. RG. K7310 Phantom ll Gearbox. Naturally I was pleased when I heard that the double top was so encouraging and… | ||
| img045 | Ideas for a two-speed epicyclic gearbox, comparing it to a competitor's (Wilson) design. | ||
| View original record | -2- R.1/MJ.23.1.32. Cont'd. We also had for some years the idea of a two speed box of ordinary type about 2nd. and top only with unit (epicyclic) as 27-EX, but I am trying to get the complete train as… | ||
| img046 | Three design schemes for J. 3. model radiator shutters. | ||
| View original record | ORIGINAL. EX. FROM DA. C. to HS. DA1/423.1.32. x5250. x3499. J. 3. - RADIATOR SHUTTERS. We send herewith N. sch. 3415, showing an oval shaped shutter as suggested by Derby on fig. 3. of Sch. 1477.,… | ||
| img047 | Use of oilless bearings in starter motors. | ||
| View original record | ORIGINAL HS. R.) FROM R. BY. ) (At Le Canadel.) C. to SG. WOR. C. to RG. DA. HL. re. STARTER MOTORS. OIL-LESS BEARINGS. R1/M24.1.32. Sent from WW. 28.1.32. X6079. I thank HS/WST. for his memo. I am… | ||
| img048 | With diagrams proposing alternative construction methods for an ignition coil. | ||
| View original record | HS. E.) FROM R. BY. ) (At Le Canadel.) C to SG. WOR. RG. DA. IGNITION COIL. R2/M24.1.32. Sent from WW. 28.1.32. X6058 I do not think we can very conveniently roll up a core for the above from sheet… | ||
| img049 | Manufacturing process and cost-effectiveness of a J.F. Frame tubular cross member. | ||
| View original record | P.A. Br. ) FROM R. H.S. Df. ) (At Le Canadel.) Copy to SC. WOL ORIGINAL R1/W28.1.32. Sent from W.W. 1.2.32. X5380. J. F. FRAME - TUBULAR CROSS MEMBER. This one, with flanges forged solid on the tube,… | ||
| img050 | Use of J.1 engine heads for sports cars and a proposal for a new 'Bensport' model. | ||
| View original record | HS. R. ) FROM R. (At Le Canadel.) ORIGINAL. R2/M28.1.32. Sent from WW. 1.2.32. C. to SC. WOR. RC C. to PA. PN. SPORTS CARS. x3993. x4583. I thank HS. for his very interesting memo. It is very… | ||
| img051 | With suggestions for improving the epicyclic third-speed gearbox. | ||
| View original record | HS. ) FROM DA. DY. ) Copy to E. EPICYCLIC 3rd. SPEED BOX. X7310. X7360. One of the suggestions is to increase the force of the spring working the ratchet. We understand that you have done this: we… | ||
| img052 | Modifications to the clutch, brake lever, and a scheme for pre-selecting gears. | ||
| View original record | (2) clutch and brake. This would necessitate giving a little more clearance to the end of the connecting rod attached to the brake lever, and this could be done by cutting an inspection hole in the… | ||
| img053 | Inquiry regarding the force required to operate S.U. carburettor jet seatings. | ||
| View original record | Hs. from E. ORIGINAL E.4/G.29.1.32. Y1487. S. U. CARBURETTERS. ------------------- For the purpose of fixing up the control gear we should like to know what force is required to operate the jet… | ||
| img054 | Standard substitute battery for the 20/25 HP model and improved clamping methods. | ||
| View original record | Hs. from E. E.5/G.29.1.32. X4127 J.111 BATTERY. In reply to Hs/Wst.5/AD.26.1.32. it was agreed at Conference with WOR. on January 7th. that we should go ahead with a standard substitute for our… | ||
| img055 | Modifications and testing for Continental P. 2. induction pipes. | ||
| View original record | HS. FROM E. [strikethrough]C. to SC. WOB. DV.[/strikethrough] CONTINENTAL P. 2. INDUCTION PIPES. X7120 We send herewith print of LeC. 2996, showing the pipes we should like to have. You will notice… | ||
| img056 | Dimensions for a lubrication modification to the 20/25 battery ignition system. | ||
| View original record | BY/OGH. FROM E. WST E2/d30.1.32. Copy to OCH. HS. 20/25 BATTERY IGNITION. X6095 We should like to know if anything has been done in connection with the modification to lubricate the post carrying the… | ||
| img057 | Potential modification to the accelerator pedal for the Peregrine 2. | ||
| View original record | B. FROM DA. C. to HS. E. PEREGRINE 2. PEDALS. DA2/M1.2.32. vv227. We think we shall probably wish to modify the accelerator pedal shown on RR. sch. 167. We note that you have followed the 20/25. sch.… | ||
| img058 | Clarifying the policy on the wiring of accessories for the J.3 chassis. | ||
| View original record | FROM DA/LV. C. to S.E.W. MS. [Crossed out] WIRING. DA/EV2/42.2.32. X6082 X7741b In view of some little misunderstanding between ourselves and Derby on the subject of the wiring of accessories on the… | ||
| img059 | Specifications and suggestions for clutch and brake springs for an epicyclic 3rd speed gearbox. | ||
| View original record | HS. ) FROM DA. EPICYCLIC 3rd. SPEED GEARBOX. x7310. Further to DAL/M29132., we have now looked into the question of the increased springs, and find that the clutch spring can be doubled in strength,… | ||
| img060 | Recurring failures of the Phantom II spring drive and proposing a design alteration. | ||
| View original record | HS. FROM E.W. B.Y. C. to SG. WOR. re. FAILURES OF SPRING DRIVE - PHANTOM 2. About Feb. of last year we sent through LeC. 2872., shewing suggestions for strengthening the spring drive plate on P. 2.,… | ||
| img061 | Use of universal batteries on 25HP and J.3 models, focusing on tray modifications, lids, and securing methods. | ||
| View original record | P1. FROM DA/EV. C. to HS. DA/EVL/42.2.32. X6137 RR. BATTERIES - 25HP. & J. 3. We understand that it is proposed to use the universal batteries on the 25HP. and J. 3., particulars of which are given in… | ||
| img062 | Use and scaling of coachwork parts from existing models for the 'Peregrine Two' project. | ||
| View original record | FROM DA/EV. C. to M.R.W. HS. SECRET. PEREGRINE TWO. We venture to offer the following comments on Pere: largely with reference to parts concerning coachwork which are not exactly capable of being… | ||
| img063 | Design and material specifications for Step Irons, comparing them to the 25HP model. | ||
| View original record | (2) STEP IRONS. These will be the same as the present 25HP., and in approx: the same position. If it is thought that we must do some reduction in the weight of the step irons, wing stays, and body… | ||
| img064 | J.3 dashboard and steering column support, referencing associated schematics. | ||
| View original record | E.H. FROM D.A. C. to H.G. W.R. H.S. L. EAL/47.2.32. x=770. J. 3. DASHBOARD, STEERING COLUMN SUPPORT, ETC. Herewith we send N. sch. 3418. showing the universal dashboard. We have provided for both R.… | ||
| img065 | Request for battery particulars to investigate methods for clamping them in battery boxes. | ||
| View original record | HS. FROM DA. DA4/M3.2.32. X6055 BATTERY BOXES. Referring to HS/WST9/AD1232., we are expecting you to send us particulars of the batteries that it is proposed to fit so that we can investigate the… | ||
| img066 | Method to apply a supplementary valve to an epicyclic 3rd speed gearbox. | ||
| View original record | H. FROM DA. LID DA1/24.2.32. C. to AC. WOH. HS. Er. P. 2. EPICYCLIC 3rd. SPEED GEARBOX. V 7310. Herewith we send R. Sch. F417. showing method of applying supplementary valve to the present oil relay… | ||
| img067 | Scheme drawing for the bottom tank of a J. 3. radiator. | ||
| View original record | PT. FROM DA. C. to SC. WOR. BS. J. 3. RADIATOR. DA1/W5.2.32. X5250. Replying to BY/CCH12/G3232., we send herewith N. scheme 3426., drawing of the bottom tank of the J. 3. radiator. We had considered… | ||
| img068 | Design of battery boxes for J. 3. & 25HP models, specifically concerning the need for blueprints and lid options. | ||
| View original record | HS/WST. FROM DA. WST DA2/M11.2.32. X6055 X6137 Copy to E. J. 3. & 25HP. BATTERIES AND BATTERY BOXES. Replying to your HS/WST7/WA5232., we think we must have blueprints of these batteries, as without… | ||
| img069 | Querying and calculating the body weight of a 20-G-4 chassis with a list of special features and their estimated weights. | ||
| View original record | HS. FROM DA/EV. ORIGINAL. DA/EV2/M12.2.32. X4738 Copy to E. BODY WEIGHT OF 20-G-4. We would very much like to get to the bottom of the actual weight of the body on 20-G-4., not with a view to blaming… | ||
| img070 | Re-arrangement of the rear support for the J.3. Exhaust System's silencer. | ||
| View original record | Pf. FROM DA. C. to SG. HS. (SG. HS. is crossed out) J. 3. EXHAUST SYSTEM. DA1/416.2.32. V8580 Replying to EY/CGH/G12232., we send herewith N. sch. 3434. showing a re-arrangement of the rear support of… | ||
| img071 | N. sch. 3430 quarter size layout of the J. 3. exhaust system and its front support. | ||
| View original record | Pf. FROM DA. C. to SG. HS. / ORIGINAL' DA2/W16.2.32. J. 3. EXHAUST SYSTEM. X5230 Herewith we send N. sch. 3430. - quarter size layout of the front end of the exhaust system. (This also gives… | ||
| img072 | Telegram requesting specifications for an Alfa gearbox and back axle. | ||
| View original record | CT. HIVES ALFA + 15, 11.11 WEST WITTERING CHA . 30 HIVES ROYCAR DERBY - KINDLY SEND FOLLOWING PARTICULARS OF ALFA GEARBOX NUMBERS OF TEETH IN ALL FORWARD GEARS SHAFT CENTRE DISTANCES OR PITCH OF TEETH… | ||
| img073 | Slight modification to the front spring rear anchorage cover for the exhaust system. | ||
| View original record | H. FROM DA. C. to St. HS. E. ORIGINAL DA3/M17.2.32. J. 3. EXHAUST SYSTEM. X5-30. Herewith we send N. sch. 3435. shewing a slight modification to the front spring rear anchorage cover, which by lifting… | ||
| img074 | The requirement for 'C' steering on the first J.11 chassis. | ||
| View original record | EX. from Es. Cr. Dr/EVE Hs. ---------- E.9/G.17.2.32. X 5430. J.11 BODIES. ---------- The first J.11 chassis should have 'C' steering to suit the body now being designed at WW. L. | ||
| img075 | The production of rear wheel arch castings for experimental J.3. bodies. | ||
| View original record | ORIGINAL SECRET FROM DA/EV. C. to SG. WOR. C. to HS. R. DA/EV1/M20.2.37. J. 3. REAR WHEEL ARCH CASTINGS. x5820 We send herewith N. schs. 3436/37. showing the rear wheel arch casting which is essential… | ||
| img076 | And comparing rear wheel arch clearances for the 25HP and J.3 models. | ||
| View original record | FROM IA/EV. C. to US. ORIGINAL SECRET. IA/EV2/M20.2.32. J. 3. REAR WHEEL ARCH CLEARANCES. X 5830. We send herewith N. sch. 342y, showing the rear wheel arch clearances of the present 25HP. and J. 3.… | ||
| img077 | Revised scheme for the scuttle and dashboard layout for J.3. | ||
| View original record | Ex. FROM DA/EV. DA/EV4/M20.2.32. C. to Mr. WOR. HS. H-E J. 3. X5830 We send herewith N. sch. 3438. shewing the treatment of the scuttle of bodies for J. 3. It will be noticed that this does not agree… | ||
| img078 | New schemes for experimental bodies for the J. 3 model. | ||
| View original record | BY. FROM DA/EV. ORIGINAL DA/EV/S/M20.2.32. C. to - HS.E. N. SCHS. FOR BODIES FOR J. 3. XS 830 The following N. schs. will be sent to you via London, where we have had them printed: N. sch.… | ||
| img079 | Requesting the width of gears at the root of the teeth for an Alfa Romeo gearbox. | ||
| View original record | HS. FROM DA. DAL/M22.2.32. Thank you for the information about the teeth of the Alfa Romeo gearbox. We forgot to ask you for the width, and over the telephone we have asked Mr Jenner to ask you to… | ||
| img080 | Proposed heat shield for the J.3. exhaust system to prevent a cushion from contacting the hot pipe. | ||
| View original record | /Y. FROM DA. C. to Dr. Rob. C. to Mr. H. J. 3. EXHAUST SYSTEM. DA2/M24.2.32. x 5530. Herewith we send N. sch. 3440. showing the suggested shield over the swan neck to prevent the cushion coming in… | ||
| img081 | Pros and cons of synchro mesh versus epicyclic double top gears. | ||
| View original record | HS. ) FROM R. DA/HDY ) (At Le Canadel.) R1/M24.2.32. Sent from WW. 26.2.32. C to SG. WOR. BY. C to RC. E. C to Mr CLAREMONT. CHANGE GEAR. x 7310. x 7360. I thank HS. for his memo. on the above. I… | ||
| img082 | Design considerations and comparisons for epicyclic gearboxes, brakes, and control systems. | ||
| View original record | (2) (1) That the brakes in an epicyclic gearbox shall be arranged to be self servoing in one direction so that the braking is ample to prevent the engine running away at full throttle, but in the… | ||
| img083 | Design and control of an epicyclic gearbox with hydraulic friction brakes. | ||
| View original record | HS. FROM R. DA/HDY.) (At Le Canadel.) C. to SG. WOR. RG. C. to BY. E. C. to Mr. CLAREMONT. CHANGE GEAR. EPICYCLIC WITH FRICTION BRAKES. R2/M24.2.32. Sent from WW. 26.2.32. x7310 x7360 I think the best… | ||
| img084 | Suggestion to reduce the height of the rear axle's ventilated filler plug which interferes with the cushion. | ||
| View original record | M. FROM DA. C. to FR. SOH. C. to HS. E J. 3. REAR AXLE. DA1/N24.2.32. x 5350. On setting out the coachwork we found that the ventilated filler plug on the rear axle is rather tall, and bumps into the… | ||
| img085 | Listing required accessories for the first Enclosed Limousine model, J.3. | ||
| View original record | TO HS. FROM EV. SECRET. EV2/25.2.32. COPY TO [redacted] X1357 X6022 X6135 ACCESSORIES FOR FIRST CAR. J.3. ENCLOSED LIMOUSINE. --------- Will Sales please see that Derby are supplied with the following… | ||
| img086 | Proposal to cheapen radiator shutters by using a standard tubular section, presenting three alternative manufacturing methods for the upper trunnion and levers. | ||
| View original record | P. FROM DA. C. to SG. HS. BY. J. 3. RADIATOR SHUTTERS. DA1/W26.2.32. X5250. Herewith is a print of N. sch. 3415. - radiator shutters. This drawing has been delayed by changes to the shape of the… | ||
| img087 | The J.3. petrol tank layout and the necessity of a sheet metal cover for the electrical petrol gauge fitting. | ||
| View original record | EX. FROM DA/EV. Copy to - HS. ORIGINAL DA/EV2/M26.2.32. X54600 J. 3. PETROL TANK. With reference to your layout of the J. 3. petrol tank - F.58565. - and the electrical petrol gauge fitting on the… | ||
| img088 | Performance trials and engine specifications for the Continental Phantom and 25HP models. | ||
| View original record | --R. ) FROM R. HS. ) (At Le Canadel.) Copy to SC. WOK. EC. BY. R1/M26.2.32. Sent from WW. 29.2.32. x7170 x5170. re. CONTINENTAL PHANTOM, AND 25HP. Referring to the above, should not the same treatment… | ||
| img089 | Features and development of various carburetter types for the Phantom model. | ||
| View original record | HS.) FROM R. RG: ) (At Le Canadel.) C to Co. Wor. DY. PN. CAR WORK - CARBURETTERS. R2/M26.2.32. Sent from WW. 29.2.32. Y 7080 x 5080. I thank Mr. Elliott for his memo. re. our vertical semi-expanding… | ||
| img090 | Engine valve timing, including a diagram and notes on overlap and tappet clearance. | ||
| View original record | (2) In the past RR. cars have been exceptionally good for their HP., and we must not expect to be free from criticism - some of it right, but much all wrong. VALVE TIMING. We must be alive to the fact… | ||
| img091 | Gearbox issue where first gear picks up the reverse wheel on the 25HP synchro-mesh model. | ||
| View original record | HS. FROM DA. DA1/M29.2.32: Copy to [Struck through] BENSPORT GEARBOX. X4553. On the 25HP. synchro mesh box, in coming into 1st. speed one picks up the reverse wheel. We understand that there is a… | ||
| img092 | Mounting schemes for a Lucas H.F. horn on a 25HP car. | ||
| View original record | CPY. FROM DA. C. to SE. WGR. HS. L. ORIGINAL DAZ/W29.2.32. J. 3. & 25HP. HORN. Y5550. Herewith we send N. schemes 3441/42., suggestions for mounting the Lucas H. F. horn in the front of the car.… | ||
| img093 | Clarifying the production schedule for cast wheel arches for the first J.S. body, detailing an alternative method using sheet steel. | ||
| View original record | TO AHC. F.H.A W. DERBY. NVI/29.2.32. COPY TO Messrs. HS. CAST WHEELARCHES J.S. X5380. With reference to your memo stating that it will take five weeks to produce the cast wheelarches for the first… | ||
| img094 | Driver-controlled versus automatic shock dampers, proposing a speed-dependent system. | ||
| View original record | HS. E. FROM R. BY DA/FDY. (At Le Canadel.) Sent from WW. 7.3.32. C. to SG. WOR. BC. R5/M5.3.32. C. to PN. FR. K7520. x5520. SHOCK DAMPERS - DRIVER CONTROL. Though evidence suggests that this would be… | ||
| img095 | And comparing several different damper control system schemes. | ||
| View original record | (2) This however will probably be thought too impractical, so we come down to earth unless strongly encouraged to stay aloft. (b) A simpler and less ambitious scheme is the one we were working on… | ||
| img096 | Design and fitting of a spring shackle for steering joggles. | ||
| View original record | HS. E. ) FROM R. DA. RV. ) (At Le Canadel.) Copy to - SG. WOR. ORIGINAL. R3/M5.3.32. Sent from WW. 7.3.32. STEERING JOGGLES - E2. J.3., & J.1. x457. x433. It would seem quite definitely settled that a… | ||
| img097 | The critical need for the highest quality steel for connecting rod bolts. | ||
| View original record | BY RC. ) FROM R. HS. ) (At Le Canadel.) C. to SC. MOR ORIGINAL R1/M5.3.32. Sent from WW. 7.3.32. x 3859 v 4486 CONNECTING ROD BOLTS. I am extremely pleased you have some better material for connecting… | ||
| img098 | Expressing pleasure and concern about new special metal cast iron brake drums. | ||
| View original record | HS. ) FROM R. RY ) (At Le Canadel.) C to SC. WOR. E. DA. ORIGINAL. R2/M5.3.32. Sent from WW. 7.3.32. BRAKE DRUMS. x4612. I am very pleased indeed to see that cast iron drums in special metal promise… | ||
| img099 | Design of connecting rods for various Vee engines, focusing on the issue of detaching them before piston removal. | ||
| View original record | (To HY. HS.) (At Le Canadel.) R6/45.3.32. Sent from AW. 7.3.32. x 3859. x4486. VEE ENGINES. CONNECTING RODS. I understand that all these engines constructed with integral jackets require the rods, if… | ||
| img100 | Different carburetter options for the Continental Phantom & 25HP models. | ||
| View original record | SE. FROM E. C. to MR. HS. ORIGINAL CARBURETTERS - CONTINENTAL PHANTOM & 25HP. The best all round performance has been obtained with two SU. carburetters, but there are serious objections, both… | ||
| img101 | New scheme (3416) for the vacuum-operated distant control of shock dampers for experimentation. | ||
| View original record | B. FROM DA. C. to F.G. WH. HS. L. DAL/49.3.32. x7520 x6520 J. 3. SHOCK DAMPER DISTANT CONTROL. We send herewith N. scheme 3416. shewing the vacuum operation of the control for the dampers as proposed… | ||
| img102 | Design and development of a luggage carrier and rear apron, referencing specific schemes and a Sunbeam model. | ||
| View original record | P. FROM EA. ORIGINAL C. to SG. WH. HS. I. EA/BYL/W9.5.32. X5400. X4531 J. 3. LUGGAGE CARRIER AND REAR APRON. We send herewith W. schemes 3445/6/7, showing the luggage carrier and rear apron for J. 3.… | ||
| img103 | Propeller shaft elasticity, compression ignition engines, and cooling system improvements for cars. | ||
| View original record | From R. (At Le Canadel.) [Text crossed out] C. to [Text crossed out] R1/M9.3.32. Sent from TM. 12.3.32. Many thanks for your very interesting memo. of your visits to 'plane makers, etc. Re. Mr.… | ||
| img104 | Design and development of semi-expanding carburetters. | ||
| View original record | E. HS.) FROM R. BY. ) (At Le Canadel.) C. to SG. WOR. HS/LSV. C. to RG. PN. EP. R2/M9.3.32. Sent from WW. 12.3.32. CARBURETTERS GENERALLY. P.2. SEMI-EXPANDING CARBURETTER. I thank HS. for his memo. of… | ||
| img105 | Design sketch and discussion on modifying a carburettor's suction chamber and air passages to manage lift. | ||
| View original record | (2) Now since we have too much energy of lift we can get much better results if we arrange the air for the suction in our old way, which looks as if we can carry it out as shewn on the sketch below:… | ||
| img106 | The design, arrangement, and mounting of a headlamp control switch. | ||
| View original record | BY. FROM DA. ORIGINAL. C. to S/. WG/. HS. T/. J. 3. HEADLAMP CONTROL SWITCH. DA1/211.3.32. X6129 Herewith we send N. schs. 3432/33. N. sch. 3432. shows the arrangement of the control switch, which is… | ||
| img107 | Modifications and troubleshooting for the J. 3. Engine Unit, focusing on half time gear issues. | ||
| View original record | ORIGINAL. R1/M12.3.32. Sent from WW. 15.3.32. X5770 E. BY.) FROM R. HS. (At Le Canadel.) C. to Sir. WDH. FG. [text crossed out] J. 3. ENGINE UNIT. (REFERS ALSO TO J. 1.) Any modifications that are… | ||
| img108 | Improvements for gear tooth design (barrel shape, bedding) and exploring auto-adjustment mechanisms for tappets. | ||
| View original record | (2) REASON. (6) There is no reason why J. 3. should be worse than J.l., but there are many reasons why it should be better. There is some satisfaction that we cannot get the wheels right even with… | ||
| img109 | Comparing the dimensions of a 9HP Riley Monaco Saloon to the 'Bensport' model, noting a fault with the steering wheel placement. | ||
| View original record | SG. FROM E. E2/A.14.3.32. C. to R. Mon. HS. 9HP. RILEY MONACO SALOON. XG 853. We tried and measured up the above saloon which you obtained for EV. to bring down this weekend, and it must be conceded… | ||
| img110 | Design considerations for ignition wiring and coil mounting. | ||
| View original record | R. FROM E. WST ORIGINAL EB/14.3.32. C. to So. WOK. HS. BY. X6058. J. 3. IGNITION WIRING & COIL MOUNTING. Please find herewith print of LeC. 3004. shewing the above. The ignition wire tube is made up… | ||
| img111 | Reversing the hand of a fan bracket and creating a new spindle forging. | ||
| View original record | FROM E. J. 3. FAN MOUNTING. E4/W14.3.32. X5270. Now that we have made more drawings of the front of the engine and seen the engine itself, we want to reverse the hand of the fan bracket as shown on… | ||
| img112 | The construction of a new cylindrical condenser for the J. 3. ignition system, comparing various manufacturers. | ||
| View original record | K. FROM E. C. to SG. WCR. HS. C. to BY Mr BROCK WST ORIGINAL. J. 3. & PEREGRINE CONDENSER FOR IGNITION TOWER EL/W14.3.32. X6052 It has been necessary to decide on the construction of the new… | ||
| img113 | The assembly and external connection methods for a condenser. | ||
| View original record | (2) As regards the external connection the original intention was to use a strip metal tab, and I think this is better than the flexible shown, as the latter is liable to break off where soldered. The… | ||
| img114 | Causes of bodywork cracking on continental touring saloons, related to engine mounting and chassis rigidity. | ||
| View original record | LES FROM DA/EV. DA/EV7/M16.3.32. See me C. to HS. P. 2. CHASSIS, AND DIAMOND ENGINE MOUNTING. HS X7830. X7005. Messrs Barker & Co. say that the introduction of diamond engine mounting has so reduced… | ||
| img115 | Chassis flexibility and proposed modifications to a panel joint to prevent cracking. | ||
| View original record | (2) We were unable to ascertain whether the scuttle isola-tion bolts has been abnormally tightened, this would accentuate the distortion of the screen and scuttle. We feel that it would be a wise… | ||
| img116 | Challenges of painting steel and aluminium wings to prevent rust, referencing an article from the Automobile Engineer. | ||
| View original record | HS. FROM DA/EV. ORIGINAL DA/EV4/M16.3.32. Copy to OK. STEEL & ALUMINIUM WINGS. X155. In a recent issue of the Automobile Engineer, and in an article by a member of the Pressed Steel Body Corporation… | ||
| img117 | Temporary scheme for controllable shock dampers with distant control. | ||
| View original record | FROM DA. DA1/M1/1.3.32. x7520 P. 2. SHOCK DAMPERS WITH DISTANT CONTROL. Herewith we send N. sch. 3449. showing the arrangement of the J. 3. controllable shock dampers outside the frame on the P. 2.… | ||
| img118 | Alfa Romeo engine's performance and design, comparing it to the Peregrine engine. | ||
| View original record | HS. FROM R. (At Le Canadel.) C. to SC, WOR, EC C. to DA, BY, PN re. ALFA ROMEO. X++82. This seems a jolly good little engine, which gives almost exactly our estimate for the Peregrine sized Bensport… | ||
| img119 | Aero engine design, discussing issues like liner distortion and advocating for a new construction model. | ||
| View original record | CG. FROM R. (At Le Canadel.) C. to CC. WGR. C. to HS. EH. E. re. AERO ENGINES. R2/M18.3.32. Sent from NW. 21.3.32. x3993. x3866 From time to time I have asked for a clean new model engine, as we… | ||
| img120 | Proposed engine modifications, outlining objections and suggesting alternative construction details. | ||
| View original record | (2) It seems absolutely suicidal to go on with the old construction by the modifications we are proposing, of: (1) Loose base ring of wrought metal to carry a force we ought to remove, at the risk of… | ||
| img121 | Design specifications and modifications for a remote-controlled shock damper. | ||
| View original record | FY. FROM DA. C. to SG. WCR. HS. DA1/W19.3.32. X-7520 P. 2. - DAMPER WITH REMOTE CONTROL. Herewith we send M. sch. 3450., showing the layout of the rear shock damper suitable for remote control. The… | ||
| img122 | The collection and fitting of an experimental 25HP Enclosed Drive Limousine body. | ||
| View original record | HS. FROM DA/EV. ORIGINAL. DA/EV1/M23.3.32. C. to SG. WOR. BI. E. x5830. 25HP. ENCLOSED DRIVE LIMOUSINE - WIDE FRAME EXPERIMENT. WE wired you today as follows: "PLEASE COLLECT PARK WARD BODY THURSDAY… | ||
| img123 | Revisions to the 'Bensport' chassis layout, including wheelbase increase and radiator design changes. | ||
| View original record | BENSPORT. We send herewith N. sch. 3406/7. showing a quarter scale layout of the chassis, and a 1/16th. scale drawing of the Sports Saloon respectively. There is also a quarter scale layout of the… | ||
| img124 | Proposing three options to reduce the air valve lift in a semi-expanding carburetter, with a preference for the third option. | ||
| View original record | E.H. ) FROM R. HS. ) (At Le Canadel.) BY. ) C. to SG. WOH. HG. R2/M29.3.32. Sent from WW. 1. 4. 32. SEMI-EXPANDING CARBURETTER. X7080. I understand that our air valve has too much lift when we take… | ||
| img125 | Cross-section drawing of a mechanical valve, possibly for a carburettor, with design annotations. | ||
| View original record | Vent here if you wish. Alternative vent. Or the vent might be through here. Smooth curved surface. Not to scale: (Shews .6 lift.) No hole for dirt. For economy in height, length of bore & cleanliness,… | ||
| img126 | Design, patent considerations, and manufacturing suggestions for a semi-expanding carburetter. | ||
| View original record | E. ) FROM R. HS. ) (At Le Canadel.) BY. ) C. to SG. WCR. RG. R1/429.3.32. Sent from WW. 1. 4. 32. SEMI-EXPANDING CARBURETTER. X7080. This seems to be hopeful of soon being satisfactory. It is not… | ||
| img127 | Design for a hydraulic shock damper control system. | ||
| View original record | DA/HDY. HS. } FROM R. R.E. BY. } (At Le Canadel.) C. to SC. WDF. R1/M31.3.32. Sent from WW. 4.4.32. X235 SHOCK DAMPER CONTROL: HYDRAULIC. I regret that I have not written more precisely to Mr. Hardy… | ||
| img128 | The design features of an adjustable pump and damper system, including controls, oil type, and valve construction. | ||
| View original record | (2) The great feature I have given without more complication is the capacity of the pump to give any pressure from zero to a maximum by turning - by say 2 fingers - the small control shaft, probably… | ||
| img129 | Schematic of a multi-valve mechanical component with various views, sections, and labeled parts. | ||
| View original record | AIR SUCTION, VENT, SECTION XX, 3 BOLT FIXING, 4 BOLT FIXING, VENT, RELEASE VALVE, RECESS FOR GAUZE, HOLES AB IN MAIN CASTING AND FILLER, SUCTION VALVE, DELIVERY VALVE, NO VENT, AIR CHAMBER, SKETCH TO… | ||
| img130 | Car electrical ignition work, focusing on coil design and spark plug settings. | ||
| View original record | HS/WST. ) FROM R. (At Le Canadel.) Sent from WW. 5.4.32. R/M/4.32. X3199 CAR ELECTRICAL WORK - IGNITION. I was not in favour of increasing the secondary turns on the coil because of increasing the… | ||
| img131 | Challenges and potential changes to car electrical systems, specifically switches and the starter. | ||
| View original record | HS/WST. R. FROM R. (At Le Canadel.) ORIGINAL R2/M/244.32. Sent from WW. 5.4.32. X6129. X4431. CAR ELECTRICAL WORK - SWITCHES. we seem inclined to jump into great changes which we are ill prepared to… | ||
| img132 | Merits of the current electrical wiring system versus a potential alternative observed on an Alfa Romeo. | ||
| View original record | ORIGINAL. HS/WST.)FROM R. E. BY.)(At Le Canadel.) C. to CG. WOR. PN R3/M2.4.32. Sent from WW. 5.4.32. X6040. ELECTRICAL WORK - WIRING. Our system of coloured wires of ordinary vulcanised rubber… | ||
| img133 | Design of a four-door Light Saloon for the second experimental J.III chassis. | ||
| View original record | To EH. from DA/EV. SECRET. DA/EV4/J.5.4.32. COPY TO SS. WORT. E. HS. [WORT. E. is struck through] LID Re: J.III. X-830. We send herewith N.Sch.3458 shewing the design of a four door for Light Saloon… | ||
| img134 | Request for particulars of an Alfa Romeo clutch to assist in the design of a similar clutch for the Bensport. | ||
| View original record | GRY To Hs. from Ev. c. RWC. H. Pa. Ev/1/HP.6.4.32. X448 Re Alfa Romeo Clutch. This is to confirm our conversation of yesterday that Da requires urgently full particulars of the Alfa Romeo Clutch to… | ||
| img135 | Communication regarding a missing description of a Cadillac freewheel and a drawing of a Buick gearbox. | ||
| View original record | HS/RM. FROM DA. ORIGINAL. DA1/M11.4.32. We thank you for HS/RM3/AD4432. We note that you are sending us a complete description of the Cadillac freewheel, which we shall be glad to have, and in the… | ||
| img136 | Carburettor design for J. 3. and Peregrine engines. | ||
| View original record | HS. ) FROM R. (At Le Canadel. ORIGINAL. R2/H12.4.32. Sent from WW. 14.4.32. y5080 y-027 C to SC. WGH. BY. DA. CAR WORK - CARBURETTERS. These will be needed for J. 3. and Peregrine; if you have not… | ||
| img137 | The 'J. 3.' model, considering whether to proceed or scrap the project and outlining requirements for a new gearbox and chassis. | ||
| View original record | EX. FROM R. (AT Le Canadel.) STRICTLY SECRET. R1/M12.4.32. Sent from WW. 14.3.32. c. to GG. WOR. c. to E. W. HS. JAPAN 3. x5770. x4283. Both Sales and Works appear to wish for J. 3. to be left-handed.… | ||
| img138 | Design and control of a new hydraulic damper system. | ||
| View original record | HS. DA.) FROM R. E.) (At Le Canadel.) C to SC WOR BY PN R3/M12.4.32. Sent from WW. 14.4.32. X238. DAMPER SYSTEM, AND CONTROL OF SAME. We are nothing unless we are thorough, because we are not quick to… | ||
| img139 | Car work on intake & exhaust silencers and steering modifications. | ||
| View original record | HS/RM. ) FROM R. E. DA. ) (At Le Canadel.) C. to SG. WOR. BY. IN. RA/M12.4.32. Sent from WW. 14.4.32. x7230 x5230 x7430 x435 CAR WORK. INTAKE & EXHAUST SILENCERS. Now that HS/RM. has returned from the… | ||
| img140 | Causes and potential remedies for ignition misfires at slow speeds. | ||
| View original record | HS/WST. R. ) FROM R. (At Le Canadel.) R1/M14.4.32. Sent from W.W. 16.4.32. X2199 CAR BATTERY IGNITION. The missing fire at slow speed must be cured, by firstly finding the cause, when we can generally… | ||
| img141 | Technical memo discussing the causes and potential solutions for transmission vibration on the 20/25 model. | ||
| View original record | HS. E.) FROM R. DA ) (At Le Canadel.) C. to SC. WOR. RG. C. to PN. HP. ORIGINAL. R1/M14.4.32. Sent from WW. 18.4.32. x5310. y u 20/25 - TRANSMISSION VIBRATION. You send a design of a friction damper… | ||
| img142 | 20/25 ignition system settings, including spark plug gaps, distributor modifications, and coil insulation. | ||
| View original record | HS/WST.) FROM R. E. ) (At Le Canadel.) C. to SG. WOR. FN. 20/25 IGNITION. R2/M14.4.32. Sent from WW. 18.4.32. X6095. My further inspection of the above says that the plugs, which are particularly bad,… | ||
| img143 | Poor design and performance of Bentley-Draper hydraulic shock dampers. | ||
| View original record | HS. BA. ) FROM R. E. BY. ) (At Le Canadel.) C.c to BG. WOR. PN. R2/M14.4.32. Sent from WW. 16.4.32. X235 x832 SHOCK DAMPERS. Apparently the Bentley-Draper hydraulic dampers are very poor, both in… | ||
| img144 | Gearbox schemes and comparing gear ratios for the B.S. and Peregrine models. | ||
| View original record | FROM TA/HDY. DA/HDY1/A/15.4.32. C. to SG. E. HS. HY. B. S. GEARBOX. In connection with this gearbox we send herewith prints of N. schemes 34XX/59/60/65. Having no servo drive for B. S. and Peregrine… | ||
| img145 | Design considerations for a synchro-mesh gearbox, comparing direct control with a rocking shaft system. | ||
| View original record | (2) SYNCHRO MESH CONTROLLED DIRECT OR WITH ROCKING SHAFT. The use of central change enables the top gear fork to be short and stiff, and consequently it appears to us that direct operation is not… | ||
| img146 | Alternative schemes for a spring-controlled rear shackle for front springs. | ||
| View original record | E ) FROM DA. BY. ) C. to Mr. HS. LID DA2/W15.4.32. x433 x5410 J. 3. - SPRING CONTROLLED REAR SHACKLE FOR FRONT SPRINGS. Herewith are N. schemes 3453/54., alternative suggestions for the flexible… | ||
| img147 | Proposal for a spring-controlled rear shackle for front springs on the P. 2 model, including experimental ratings. | ||
| View original record | R. FROM DA. C. to HS. RS. RECEIVED DA1/M15.4.32. X133. X7410. P. 2. SPRING CONTROLLED REAR SHACKLE FOR FRONT SPRINGS. Enclosed is a print of N. sch. 2452. - proposed flexible rear shackle for front… | ||
| img148 | Outlining naming conventions for drawings sent to coachbuilders to conceal project identities. | ||
| View original record | TO. Mr. [REDACTED] P.W. COPY TO [REDACTED] W.H. [REDACTED] SECRET. LID AW/18.4.32. y 4027. y 5830. y 6593. (Chassis Nos. 2, & some C.T. matters) In order to buy or check for peregrine A. without… | ||
| img149 | The wheelarch clearances for the Peregrine 2 model fitted with Dunlop Fort Tyres. | ||
| View original record | TO W. ARCH EV. COPY TO W.H.CR.Dr. HS.J. ORIGINAL SECRET. W75/18.4.32. X(c2) WHEELARCH CLEARANCES. PERE.2. We send herewith N.Sch.3464. showing the wheelarch clearances for Peregrine 2. when fitted… | ||
| img150 | High co-efficient of friction of an Alfa Romeo clutch and its implications. | ||
| View original record | g/s 25/4/32 HS. FROM DA. ORIGINAL DA1/M21.4.32. ALFA ROMEO CLUTCH. X C4 82. We thank you for the information given. We notice that the co-efficient of friction is as high as .353. This is much more… | ||
| img151 | Clarifying that the Cadillac gearbox has 2 synchro mesh speeds, not 3. | ||
| View original record | HS. FROM DA. Copy to E. CADILLAC GEARBOX. DA1/M25.4.32. 81729. With reference to HS/RM11/MJ20432., it will be noticed that the speeds are not 3 synchro mesh, but 2 synchro mesh and an ordinary jaw… | ||
| img152 | Design changes and requirements for the first 'Peregrine' four-door saloon car body built by Park Ward. | ||
| View original record | FROM DA/EV. C. to S. NOR. HS. re. PEREGRINE - 1st. CAR. DA/EV2/428.4.32. (Copy) We send herewith N. schs. 3462/65. showing the design of the first body now being erected for Peregrine - a four door,… | ||
| img153 | Sending N. scheme 3461 for a four-door, six-light saloon Peregrine body and requesting prints. | ||
| View original record | FROM DA/EV. C. to HS. PEREGRINE BODIES. DA/EV3/M28.4.32. X4027. We send herewith N. sch 3461. showing a four door, six light, saloon. The internal dimensions of this body are identical with those of… | ||
| img154 | Analysing the causes of transmission and other engine vibrations. | ||
| View original record | HS. E.) FROM R. DA. BY.) (At Le Canadel.) C. to SG. WOR. RG. EP. x5310. x634. TRANSMISSION, & OTHER VIBRATIONS. ("HEREIN LIES A TALE".) I thank HS. and EP. for their memos. I regret I did not remember… | ||
| img155 | Gearbox design, focusing on the reverse pinion, gear ratios, and associated components. | ||
| View original record | ORIGINAL DA/HDY. Er. ) FROM R. HS. BY. ) (At Le Canadel.) R3/42.5.32. Sent from WW. 5.5.32. C. to CO. WOR. GEARBOXES - ALL SIZES - ALSO PEREGRINE & BENSPORT. X 7310 X 5310 X4583 (4007) REVERSE PINION.… | ||
| img156 | Design and issues of a new two-piece cylinder block for aero engines, comparing it to an older scheme. | ||
| View original record | RG. ) FROM R. HS. ) (At Le Canadel.) c.c. to BG. MOR. Br. c.c. to A. F. S. AERO ENGINES. R2/M2.5.32. Sent from W.W. 5. 5. 32. X3866. RECD XX TWO PIECE CYLINDER BLOCK. This seems to involve exactly the… | ||
| img157 | Design changes to the automatic damper control for the P. 2. S. M. gearbox. | ||
| View original record | ORIGINAL L. FROM DA. C. to BG. Dr. HS. DA1/W5.5.32. x7520. x7310. SHOCK DAMPERS - AUTOMATIC DAMPER CONTROL - P. 2. S. M. GEARBOX. Herewith we send N. sch. 3468. shewing the arrangement of automatic… | ||
| img158 | Sending a revised print for a better sports clutch thrust arrangement. | ||
| View original record | FROM DA. C. to HS. DX. HS. B. 2. SPORTS CLUTCH As we indicated on a note on N. sch. 3472., we were not very pleased with the arrangement of the clutch thrust, and send herewith a print of N. sch.… | ||
| img159 | Supercharger options (Roots vs Powerplus) and potential engine modifications for speed cars. | ||
| View original record | E. HS. ) FROM R. EH. ) (At Le Canadel.) Cc to SG. WOR. Cc to EC. DY. R2/M11.5.32. Rec'd & despatched from WW. 19.5.32. X4553 BENSPORT SUPERCHARGER. Having reasonable hope of success of either the… | ||
| img160 | Noise issues in axle dampers, proposing design modifications and comparing with other systems. | ||
| View original record | HS. E. DA. FROM R. Le-Canadel. R/FD./II.5.32. C. to SG. WOR. BY. RHC. [Handwritten note: original sent to W.O.] Axle Dampers. J. 3. These reported to be noisy, Rm is good at these, and will tell us if… | ||
| img161 | Causes of noisy engine tappets, their relation to cam design, temperature, and potential solutions. | ||
| View original record | COPY. HS/RM. ) FROM R. E. DA. ) (At Le Canadel). C. to SG. WOR. C. to BY. RHC. re. J.3. Mr.Hives' memo of 4.5.32 to hand. Much seems to be wrong, but I believe it is not so largely due to changes in… | ||
| img162 | Technical discussion on valve auto-adjustment mechanisms, clutch jaggers, and crankshaft damper designs. | ||
| View original record | (2) hottest water. Then bring this oil to fall upon, and run down, the push rods, which we understand are quite correct for expansion if kept the same temperature as the cylinder jackets. I do not now… | ||
| img163 | Damper wheel design, materials, and friction characteristics, including a technical sketch. | ||
| View original record | (3) I have no confidence in going back to well lubricated ferodo unless it is free from gummy make up. (We could find what surface is best, and if dry is better than lubricated.) The material I have… | ||
| img164 | Noisy axle dampers and suggesting design improvements to prevent chatter. | ||
| View original record | COPY. HS/RM. ) FROM R. AP E. DA. ) (AT Le Canadel.) C. to SG. WOR. BY. RHC. R4/M.11.5.32 Rec'd and despatched from WW. 20.5.32. X5510 J.3 AXLE DAMPERS. These are reported to be noisy. RM. is good at… | ||
| img165 | Technical memo discussing engine noise issues related to tappets and cam design. | ||
| View original record | HS. ) E. ) FROM R. DA. ) C. to SG. WOR. BY. RHC. Le-Canadel. [Handwritten: This is a copy of my original] J. 3. Mr.Hives memo 5/32 to hand. Much seems to be wrong, but I believe it is not largely due… | ||
| img166 | Valve lift, noise, and ideas for automatic adjustment mechanisms, including an oil-based temperature regulation system. | ||
| View original record | (2) I had the impression that Mr.Lovesey got good horse power without high lift. It will be understood that no lift, no noise, and [handwritten: Therefore] higher the lift the greater the noise.… | ||
| img167 | Issues with rocker shafts, clutch performance, and crankshaft dampers. | ||
| View original record | (3) I also understand that the rocker shaft has more flex than desireable, this is probably a defect in itself, especially at the overhanging ends, but it may be brought about by the high lift, and… | ||
| img168 | Analysis of damper wheel mechanics, friction, and lubrication, including design notes and a component sketch. | ||
| View original record | (4) clearance perhaps does not exist in centrifugal loading, any way, when we used this dry we did not seem able to make a bad slipper wheel, i.e. in the old days we could tighten up really tightly.… | ||
| img169 | Design proposal for a more economical shaft for the Gosport & Peregrine gearbox reverse. | ||
| View original record | FROM R. (At Le Canadel.) ORIGINAL. RZ/411.5.32. Rec'd & despatched from WW. 20.5.32. GOSPORT & PEREGRINE GEARBOX REVERSE. For economy of length and cost we could make the shaft upon which the reverse… | ||
| img170 | Instrument board and chassis specifications for the left-hand drive car body 2-J. 3. | ||
| View original record | ORIGINAL See me FROM DA/EV. DA/EVL/M18.5.32. C. to HS. re. 2-J. 3. HS x5230 The body for 2-J. 3. will be completed soon. We need information to enable us to produce the instrument board, as this body… | ||
| img171 | 'Bensport' chassis layouts and component design instructions, referencing the 'Peregrine' model. | ||
| View original record | ORIGINAL-DA/EV1/M19.5.32. FROM DA/EV. 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 difficulties in design… | ||
| img172 | Bensport frame and transmission layout, with comparisons to the Peregrine model. | ||
| View original record | M. FROM EA/EV. ORIGINAL DA/EV2/MLY.5.10. C. to SE-WOL. HS-E. X4553. BENSPORT FRAME AND TRANSMISSION LAYOUT. We send herewith N. sch. 3477. shewing the Bensport frame, springs, axles, and transmission… | ||
| img173 | Reverse pinion and jaw clutch design for Bensport and other gearboxes, including a suggested design diagram. | ||
| View original record | FROM R. HS. ) (At Le Canadel.) GRYNAL R6/H11.5.32. Rec'd & despatched from WW. 20.5.32. X7310 X5310 BENSPORT & OTHER GEARBOXES. Reverse pinions I agree can be of the long shaft pattern if this can… | ||
| img174 | Agreeing to adjust the gear lever mechanism and discussing front cushion dimensions for various steering types. | ||
| View original record | M. FROM DA/EV. ORIGINAL. DA/EV/L/423.5.38. C. to SG. NOR. M. to EV. HD. MK RECEIVED 25 MAY 1938 K5580 20/25 - 'U' SERIES. CHANGE SPEED & BRAKE LEVERS. We thank you for your F2/LP1355?., to which we… | ||
| img175 | Causes and potential solutions for transmission rattle. | ||
| View original record | ANS. FROM R. C. to SG. WOR. C. to E. DA. DY. TRANSMISSION RATTLE. R3/M24.5.32. X5310. X634. I understand from E. that it has now been demonstrated that this has noting to do with the half period, and… | ||
| img176 | Practice of pinning piston rings for aero and car engines and a proposal to change it. | ||
| View original record | F.C. HS.) FROM R. C. to SG. WOB ORIGINAL R2/M24 5.32. X 7040. X 5040. X 3996. X4465. PISTONS - AERO, & CAR ENGINES. For over 25 yrs. we have been pinning our piston rings, but we understand from some… | ||
| img177 | Road test report and specification sheet for an Alvis 'Speed Twenty' car. | ||
| View original record | FROM LA/LV. C. to E.R. C. to HS. ALVIS 'SPEED TWENTY'. Through the courtesy of Park Ward we were able to try one of these cars, and fortunately it was fitted with an open body, (a saloon was not… | ||
| img178 | Performance review of an unspecified car, detailing its handling, mechanics and comparing it to a Bentley. | ||
| View original record | (2) The engine is mounted on rubber feet, but we understand the rubber is very hard. STEERING. The steering was light, in fact, extremely light, and free from any stickiness. It was lightly… | ||
| img179 | Comparison of an Alvis car with a proposed Bentley, noting the Alvis is the best of its type tested. | ||
| View original record | (3) had borrowed the car from the Alvis people to try. We have also obtained a coachbuilder's print of the chassis, and are going to make a careful comparison between this car and the proposed… | ||
| img180 | Design considerations for a 2nd compression ignition test unit, including crankshaft, bore, stroke, and bearings. | ||
| View original record | EG. FROM R. C. to SG. MOR. HS. C. to E. GD. Mr. HHH. RL/M24.5.32. Sent off 28.5.32. x4453. re. 2nd. COMPRESSION IGNITION TEST UNIT. As this is being specially prepared for 2 stroke work I have thought… | ||
| img181 | Various engine design considerations, including cylinder layout, valve types, combustion chambers, and supercharging. | ||
| View original record | (2) I had imagined that the complete engine, if it had 12 cyls., would be vertical and inverted, not a Vee engine. The reason for this is that the inertia of the pistons would be so helpful in… | ||
| img182 | The accessories to be supplied to the coachbuilder and required for mounting the body for car 2-J. 3. | ||
| View original record | HS. ) FROM DA/EV. HN. ) Copy to F LID 2- J. 3. DA/EV/1/M25.5.32. X 5830. The body for 2- J. 3. will soon be completed. Will Derby and London please see between them that the following accessories are… | ||
| img183 | The accessories required for the Peregrine Ist Body, for both the coachbuilders and for mounting at Derby. | ||
| View original record | HS. ) FROM DA/EV. HN. ) Copy to E. PEREGRINE 1st. BODY. LPB ORIGINAL EV2/M25.5.32. X4027. This body will be delivered to you within about three weeks from this date. Will you please see that the… | ||
| img184 | Engine and clutch design for the 'Bensport' car model. | ||
| View original record | SC. FROM H. C. to WOR. RC. E. C. to HS. EV. PW. re. BENSPORT. This car appears to be taking the chief attention of the car designers both here and at Derby. As we believe you wish it to be the most… | ||
| img185 | Design memorandum discussing modifications to the gearbox, back axle, and brake systems. | ||
| View original record | (2) We are arranging for considerably more foot pressure than in the case of the Alfa Romeo, somewhere between 35/40 lbs. on the pedal. It will be safer from unintentional releasing, and we think we… | ||
| img186 | Pedal adjustment, floorboards, the Peregrine engine, and the necessity of a cooling fan for a sporting model. | ||
| View original record | (F) action, provided we adopt Mr. Hardy's suggestion of automatic adjustment of the pedal when it gets too near the floorboards. It is now felt by many of our staff that a vacuum servo is not good, my… | ||
| img187 | Slackness of a Woodruff key and proposing alternative pin or bolt solutions for an S.M. Gearbox. | ||
| View original record | L. FROM DA. C. to HS. P. 2. S. M. GEARBOX. DA1/N30.5.32. x7310. With reference to HS/GRY6/KT25532., and LeC. 3106., we should like to point out that the Woodruff key will be slightly slack, and the… | ||
| img188 | Use of a Peregrine axle on the Bensport front axle, its associated issues and proposed solutions. | ||
| View original record | FROM DA/EV. DA/EV1/M30.5.32. C. to SG-WDR. HS. D. BENSPORT FRONT AXLE. x4553 Re. BY2/C26532., referring to DA/EV1/M19532., and DA/EV2/M19.5.32. We suggested that you use the Peregrine axle on the… | ||
| img189 | Design options for Bentley exhaust valves and pipes, referencing sketches and the Silver Ghost. | ||
| View original record | ORIGINAL RL/W30.5.32. E. FROM R. C. to SG work HS. BENTLEY EXHAUST VALVES. X4583 In reply to your memo. FH/HP26532. Firstly, I agree that it is highly desirable to group the exhaust pipes into two… | ||
| img190 | Problem of 'creeping gears' in gearboxes and potential solutions. | ||
| View original record | HS. ) FROM R. C. to BG. WOR. C. to DY. Eng. ORIGINAL GEARBOXES. CREEPING GEARS. R4/M/30.5.32. x5'S10. x7S10. It will be remembered that we patented several means of keeping the gears still on the… | ||
| img191 | Ignition experiments for a 25HP engine, focusing on distributor and spark plug performance. | ||
| View original record | HS/WST. FROM R. C. to SG. WOR. BY. C. to PN. E. RM. WST ORIGINAL. R2/M30.5.32. *6095. 25HP. IGNITION. While at Le Canadel we made several experiments on the 25HP. ignition, one or two by Dodd, but… | ||
| img192 | Carburettor performance, design modifications, and adoption for specific car models. | ||
| View original record | HS. ) FROM R. E. ) CARBURETTERS - 16-C-4. R3/M30.5.32. x5080 I have only driven this car a short distance, but it appears to be remarkably good as regards carburation, snap acceleration, and low speed… | ||
| img193 | System of splitting crankshaft balance weights, proposing investigation and a possible patent. | ||
| View original record | HS. FROM R. RECEIVED 1932 JUN 1 ORIGINAL. R5/M30.5.32. O. to SG. WOR. BY. C. to F. HY. RHC. CRANKSHAFT BALANCE WEIGHTS. x634 Regarding the balance weights we are at present adopting I do not know… | ||
| img194 | Combination of parts for a steering system and the implications of friction and damping. | ||
| View original record | HS/RM. FROM R. Copy to BA. " " WDR. " " E. " " DA. STEERING. I am not quite sure what the complete combination of parts of the steering system it is suggested we should use, but assuming we use: (1)… | ||
| img195 | Spiral angle of a gear to address a sideshaft failure and reduce mechanical stresses. | ||
| View original record | HS. FROM R. [s]C. to DA. WOR.[/s] [s]C. to DA. E.[/s] P. H. GEARBOX. SIDESHAFT FAILURE. RECEIVED [stamp] Y7310 With reference to HS/LID2/KT24532., I understand from HS/LID. that the spiral angle in… | ||
| img196 | Suggestions for engine head design and gearbox work for various projects. | ||
| View original record | FROM R. VIEWED C. to MC. BSS. C. to D.W. MS. re BENSPORT HEAD. J.F. & BENSPORT GEARBOXS. R1/W21.5.32. X 4592 Y 5310- I think your latest suggestion is the best - i.e. all heads looking one way, both… | ||
| img197 | Design considerations for valves, passages, a supercharger pipe, and the Powerplus blower for project Det. 3115. | ||
| View original record | 1. FROM R. C. to HE. W?. ORIGINAL RC/21.6.32. X467 14550 Det. 3115. should go ahead with all speed. I think it is by far the best of anything we have in mind. To my mind the worst feature which must… | ||
| img198 | Recommending an experimental trial for a shock damper control system using a centrifugal governor. | ||
| View original record | A. FROM R. | ||
| img199 | Cause of a broken gear and clarifying departmental responsibilities for design and testing. | ||
| View original record | HS/LID. FROM R. ORIGINAL R1/M1.6.32. x7310 C. to SG. WOR. [crossed out] C. to DA. DY. E. [crossed out] P. 2. - re. BROKEN GEAR. I now understand that this applies to the old box which we are just… | ||
| img200 | Design, configuration and fitting of the Bensport (Bentley 'B' model) radiator and bonnet. | ||
| View original record | E. FROM DA/EV. C. to SG. WCR. HS. IA/EVL/13.6.32. x4553. re. BENSPORT RADIATOR AND BONNET. We send herewith M. sch. 7430. shewing the configuration of the Bensport (Bentley 'B' model) radiator and… | ||
| img201 | Design considerations for aero engines, including piston rings, liners, and cylinder block construction. | ||
| View original record | RG. HS. ) FROM R. UD. ) C. to SC. WOR. B. C. to RV. F. re. VISIT OF RG. & UD. TO WW. - 2.6.32. AERO ENGINES. PINNING OF PISTON RINGS. I was very pleased to hear that RG. did not now wish to delete the… | ||
| img202 | Compression ignition engine development, outlining proposals and comparing different cylinder head designs and experimental units. | ||
| View original record | (2) weight effect is obtained to relieve the bearings and crankchamber of the rapidly increasing loads. In this respect RG. and I hardly agree, he fearing the extra weight, but the percentage of extra… | ||
| img203 | Feasibility and technical requirements for Ricardo single sleeve and opposed piston engine designs. | ||
| View original record | (3) application of a Ricardo single sleeve 2 stroke design at WW. for which it is easily possible to get the necessary information from Derby, and direct from Mr. Ricardo. I am therefore keeping Mr.… | ||
| img204 | Schemes for shock dampers with automatic control and related modifications. | ||
| View original record | E.H. FROM EA. C. to SG. HE. H. P. 2. SHOCK DAMPERS WITH AUTOMATIC CONTROL. DAZ/M4.6.32. X7520. With reference to R2/W31.5.32., we send herewith N. schemes 3468/70., showing the arrangement of… | ||
| img205 | Request to borrow a 20/25 steering wheel worm shaft to fit a model steering column to a dummy chassis for checking front seat height. | ||
| View original record | IIS. FROM DA/EV. LID ORIGINAL. DA/EV1/W4.6.32. EXPERIMENTAL BODIES. X-93 To enable us to make sure that the front seats of 2-J.3., Bentley 'A', and Bentley 'B', are of the correct height we would like… | ||
| img206 | Inspection of a luggage grid and apron on car 1-J.3 before the Sales department inspects it. | ||
| View original record | HS. FROM DA/EV. LID ORIGINAL DA/EV2/M4.6.32. C. to SG. Div. E. [Struck through] J. 3. LUGGAGE GRID & APHON. [STAMP: REC'D ... 7 JUN 1932] With reference to CX3/KW1632., in which Sales are asking to… | ||
| img207 | Engine progress, head modification for better cooling, and gearbox development for the Bensport. | ||
| View original record | HS/RM. FROM R. C. to SG. WOR. RG. C. to E. RY. re. BENSPORT. Peregrine I am very pleased to hear that the engine is progressing well. I quite agree to modifying the present head to get better cooling,… | ||
| img208 | Strength of helical gears in S.M. gearboxes and the effect of increasing the helical angle. | ||
| View original record | HS. FROM DA/HDY. DA/HDY1/M4.6.32. C. to R. SC. WOR. BY. E. S. M. GEARBOXES. STRENGTH OF HELICAL GEARS. With reference to the remarks in MS4/KT2632., about the increase of helical angle on S. M.… | ||
| img209 | Proposed torsionally flexible joint for a 25HP transmission and clutch. | ||
| View original record | A. FROM ER. C. to C.C. ORIGINAL DAL/24.6.32. X5310. X634. 25HP. TORSIONALLY FLEXIBLE JOINT IN TRANSMISSION. Herewith we send R. Sch. 3432. showing the proposed torsionally flexible joint behind the… | ||
| img210 | Design, performance and issues with ignition contacts, specifically regarding ballast resistance and condensers. | ||
| View original record | HS/WST. FROM R. ORIGINAL. R1/M4.6.32. C. to SC. WOR. RG. E. re. IGNITION CONTACTS: X6118 It is a comparatively simple matter to make the ballast resistance unvariable with temperature by using one of… | ||
| img211 | Sizing, material, and tightening of Peregrine & Bensport cylinder head studs. | ||
| View original record | C. FROM R. C. to ~~Mr. DP. US.~~ R1/M6.6.32. y4027 y4253 PEREGRINE & BENSPORT CYLINDER HEAD STUDS. In reply to your memo. E4/HP4627., I should not consider for a moment departing from our 6 bolt… | ||
| img212 | Options for a torsionally flexible joint in a transmission. | ||
| View original record | DY. FROM EA. ORIGINAL. IA1/ 7.6.32. X5305 C. to EG. WOH. HS. B. 25HA. TORSIONALLY FLEXIBLE JOINT IN TRANSMISSION. Herewith we send N. sch. 3457. shewing the torsion-ally flexible joint inside the… | ||
| img213 | Materials, lubrication, and testing for crankshaft dampers. | ||
| View original record | HS/RM. FROM R. ORIGINAL. R3/M8.6.32. C. to S. C. to NOR. C. to E. C. to BY. CRANKSHAFT DAMPERS. I spoke to E. on the telephone about these. I am very decided that we ought to concentrate on finding… | ||
| img214 | Compression ignition engine design, comparing it with Beardmore's catalogue, and weighing the trade-offs between performance and economy. | ||
| View original record | ORIGINAL. FROM R. C. to SG. C. to WGR. C. to RH. C. to HE. RECEIVED COMPRESSION IGNITION ENGINE. x4 33 Thank you for the Beardmore catalogue forwarded with your F1/LAM7632., and we return it herewith… | ||
| img215 | 4-cycle supercharged engine improvements and the importance of communicating with the Air Ministry. | ||
| View original record | (2) It will be noted that the improvement that HS/UD. obtained in the 4 cycle engine when supercharged, (by reducing the compression ratio) was chiefly due to the power of the jets to penetrate the… | ||
| img216 | Arranging a meeting for Mr. Underwood to present compression ignition drawings. | ||
| View original record | HS. FROM R. D5/M8.6.32. Concerning your telephone message of this afternoon that Dr. Underwood wishes to bring his compression ignition drawings to WW., I think he had better come with you on Tuesday… | ||
| img217 | Design schemes for Sports Saloon and Sports Open Tourer bodies on Bensport chassis. | ||
| View original record | FROM DA/EV. ORIGINAL DA/EV1/M9.6.32. C. to Mr. HS. X4853 re. BENSPORT BODIES. We send herewith N. schemes 3478/79., shewing the design of the Sports Saloon, and the Sports Open Tourer, which we have… | ||
| img218 | Testing a 25HP Hardy fabric coupling behind a gearbox to eliminate 'Coronation Rattle'. | ||
| View original record | DY. FROM DA. ORIGINAL. C. to Mr. WOT. T. RS. DA1/29.6.32. X5310. 25HP. HARDY FABRIC COUPLING BEHIND GEARBOX. We send herewith N. sch. 3484. showing the Phantom fabric coupling applied to the rear of… | ||
| img219 | Scuttle isolation for Bensport, referencing scheme 3486. | ||
| View original record | FY. FROM BA/EV. C. to LJC. WOH. HS. H. ORIGINAL DA/EV2/29.6.32. y BENSPORT - SCUTTLE ISOLATION. We send herewith R. sch. 3486. showing the scuttle isolation for Bensport. The complete details of the… | ||
| img220 | Accompanying a schedule showing wheel arch clearances for Bensport. | ||
| View original record | F/. FROM DA/EV. C. to SC. WOH. RS. IF DA/EV/M9.6.32. Y x 255. BENSPORT WHEEL ARCH CLEARANCES. We send herewith A. sch. 5485. shewing the wheel arch clearances for Bensport. DA/EV. | ||
| img221 | Chassis component modifications for the Bensport Saloon. | ||
| View original record | ORIGINAL EX. FROM DA/EV. C. to SC. WDR. HS. / DA/EV/W/29.6.32. BENSPORT SALOON. M.S. 3487 We send herewith M. Sch. 3487. shewing a quarter scale layout of the Sports Saloon. This drawing also deals… | ||
| img222 | Paint finishes for wire wheels and the issues associated with using wheel discs. | ||
| View original record | FROM LA/EV. ORIGINAL C. to HS. E. re. WHEELS. DA/EV5/19.6.32. X3735. Black stoved enamel is the only paint that really stays on wire wheels. Even coloured stoved enamel is not so good, while sprayed… | ||
| img223 | Bamford Multi Plate Clutch, referencing an obsolete drawing and detailing design modifications. | ||
| View original record | F. FROM LA. C. to L. W. H.C. [STAMP: RECEIVED JUN 7 1932] YU 558 BAMFORD MULTI PLATE CLUTCH. Herewith we send L. sch. 3472. showing the multi plate clutch for the above car. E. has already had a print… | ||
| img224 | List confirming instructions received from Derby for seventeen different vehicle sections and components. | ||
| View original record | ORIGINAL FROM EA. C. to SC. MOH- C. to HY. BS. & TO. BENEPULT, X X DAL/M13.6.22. X+S53. We believe that Derby have received from us instructions for the following sections: (1) Frame side members,… | ||
| img225 | Progress report listing sections available, sections held up due to lack of information, and sections held up for want of 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… | ||
| img226 | Outlining five points of consideration regarding the Bensport and Peregrine starter motors. | ||
| View original record | FROM R. C. to HS. ORIGINAL BENSPORT STARTER. x4553, (1) Firstly, from a technical point of view I do not like making a new car with a crash starter pinion, but on this I am willing to give way. (2)… | ||
| img227 | Design considerations for C.I. engines and the future of diesel-electric locomotives. | ||
| View original record | HS/UD. FROM R. C. to SG. WOR. C. to RG. F. re. C. I. UNIT. 84433 We were very pleased to hear that our original unit has not given much trouble as regards the non-experimental parts. We should not… | ||
| img228 | Evaluating a semi-expanding carburetter against existing designs. | ||
| View original record | HS. ) FROM R. E. ) C. to SC. WOR. BY. ORIGINAL R2/M15.6.32. x 7080. SEMI EXPANDING CARBURETTER. The specimen shewn me on 19-EX. seems to do its duty extremely well, and better than anything we know of… | ||
| img229 | Experiments and potential new designs for crankshaft dampers, including friction materials and centrifugal loading. | ||
| View original record | HS. FROM R. ORIGINAL R1/M15.6.32. Sent off 18.6.32 4634. C. to SG. WOR BY E W CRANKSHAFT DAMPERS. I was pleased to hear that putting the half time wheels at the back as in J. 3., Peregrine, and… | ||
| img230 | The trial of a new Peregrine & Bensport cylinder head. | ||
| View original record | E. ) FROM R. HS. ) C to SG. WOK. DY. R3/M15.6.32. Sent off 20. 6. 32. x 407 V4 5 32. PEREGRINE & BENSPORT CYLINDER HEAD. As before remarked we are quite pleased to sanction a trial being made of a… | ||
| img231 | Design decisions for the Bensport engine, including blowers, drives, and supports. | ||
| View original record | HS. ) FROM R. E. ) C. to SG. WCR. BT. re. VISIT OF HS. & E. TO WW. ON 14. 6. 32. re. BENSPORT ENGINE. BLOWERS. The two blowers were discussed and we think they both have advantages and disadvantages… | ||
| img232 | Design decisions for the radiator, carburetter, and front axle for Bensport and Peregrine models. | ||
| View original record | (2) when taking down the gearbox, and also an additional safety. RADIATOR. Regarding the radiator it was decided that there was such a substantial difference in the cost of a wavy tubed radiator and… | ||
| img233 | Confirming an agreement to raise the front end of the Bensport steering column and asking for confirmation it does not interfere with the inlet pipe. | ||
| View original record | R. FROM DA. ORIGINAL DA2/M16.6.32. C. to HS. HY. BENSPORT STEERING COLUMN. x - 53. R. has agreed to raise the front end of the steering column .5" above that shewn on the arrangement - that is to say… | ||
| img234 | Bensport front brake cables, their position, and clearance for carburettor parts. | ||
| View original record | FROM DA. C. to HS. EY. ORIGINAL. DAL/W16.6.32. BENSPORT FRONT BRAKE CABLES. + u/s Herewith is N. sch. 3489. shewing the position with reference to the centreline of the chassis of the brake operating… | ||
| img235 | Collection and fitting of a 4-door saloon Peregrine body, also known as Bentley 'A'. | ||
| View original record | HS. FROM DA/EV. ORIGINAL DA/EV3/M16.6.32. C. to SG. WOR. B. PEREGRINE BODY. (Y40) The 4 door saloon body for Peregrine (known as Bentley 'A') will be ready for you to collect on Thursday June 23.… | ||
| img236 | Record of a telephone conversation discussing design proposals for the Bensport engine. | ||
| View original record | FROM R. to EG. PK. RS. ORIGINAL R/17.6.22. RECORD OF TELEPHONE CONVERSATION ON 17.6.22. re. BENSPORT ENGINE. X4553. I was in London yesterday with C.G. and WOR. The most important part of our… | ||
| img237 | Design considerations for an engine, including auxiliary drives, superchargers, and dampers. | ||
| View original record | (2) (3 less wheels and 2 less adjustments than the original double camshaft.) (2) Then I thought we might group the dynamo, water pump, and oil pump drives, and ignition, together on the exhaust side,… | ||
| img238 | Sourcing vehicle accessories, ignition systems, and starters, weighing options from different suppliers. | ||
| View original record | (2) or something different to R.R., our own dynamo if we wish, and certainly our own starter. I do not think it matters much about accessories, as the Bensport is admittedly something made by R.R. for… | ||
| img239 | Modification to the Brampton clutch for providing an oil drain and methods for locking the ball bearing retaining nut. | ||
| View original record | B. FROM L.A. C. to S.L. Wks. & L.S. ORIGINAL. DA2/M17.6.32. BRAMPTON CLUTCH. Herewith we send M. sch. 3493. showing a modification to the suggestion for providing an oil drain for the clutch spigot… | ||
| img240 | Alternative schemes for supporting the Beresford Engine, proposing a simpler method than the current one. | ||
| View original record | f. FROM R. C. to W.H. MS. EY. re. SUPPORT OF BERESFORD ENGINE. As far as I could understand on the telephone yesterday I think the scheme you have, of using the side extensions from the crankchamber,… | ||
| img241 | Camshaft over-running issues and potential solutions for the Bensport engine. | ||
| View original record | ORIGINAL RECEIVED E. ) FROM R. HS. ) C. to SG. WOR. BY. re. BENSPORT ENGINE. R1/W21.6.32. Sent off 29.6.32. yu 523. I conclude from your conversation, and the evidence of Bugatti and others, that you… | ||
| img242 | Slight design changes to the Bentley 'B' model bonnet and radiator following a model viewing at Park Wards. | ||
| View original record | FROM EV. C. to W.R. HS. BENTLEY 'B'. EV1/M21.6.32. XJ 553 As a result of seeing the model of the bonnet and radiator of the above car at Park Wards, we shall wish to make some slight changes to our… | ||
| img243 | Testing clutches to determine the cause of friction loss, possibly due to serrations locking up on the Phantom model. | ||
| View original record | HS. FROM DA. DA1/M21.6. 32. x5300 x7300. CLUTCHES. We have discussed with R. the question of the co-efficient of friction shewn by our clutches, and he suggests that we should carry out a test with a… | ||
| img244 | New telephone extension from Sir Henry Royce's house to the drawing office at 'Camacha'. | ||
| View original record | SG. C. CK. ) FROM RS. WOR. HS. ) BY. E. ) RS3/M21.6.32. C. to London Switchboard Operator. C. to Derby Would you kindly note that a telephone extension has been laid from Sir Henry Royce's house,(West… | ||
| img245 | Design changes to the Bensport engine, focusing on supercharger placement and cylinder head configuration. | ||
| View original record | E. } FROM R. HS. } C.c. to SG. WCR. DY. DA. ORIGINAL. R1/M22.6.32. Sent off 23.6.32. BENSPORT. Owing to the complete change in our programe it would appear that the Bensport engine is likely to be a… | ||
| img246 | Design of a 25HP reverse gear, including bearing arrangements and material choices. | ||
| View original record | ORIGINAL. FROM R. HS. C. to SC. WCR. BY. re. P. 2. & 25HP. REVERSE. V310. We think there is too much of the 3 bearing scheme, as well as some undesirable features, in the design sent to us. Mr. Hardy… | ||
| img247 | Comparing the performance and features of cars 19-EX and J.3, with a focus on suspension. | ||
| View original record | HS. FROM R. ORIGINAL R1/M24.6.32. C. to SG. WOR. BT. E. 19-EX., AND J. 3. The two cars brought here on the occasion of the visit of HS. and E. on the 14th inst., were very good all-round specimens.… | ||
| img248 | Criticisms and proposed modifications for the gear control system on several car models. | ||
| View original record | [Header] HS. ) FROM HDY. BY. ) [Struck through] Cr to SG. WOR. B. DA. [Struck through] ORIGINAL. [Handwritten notes top right] under X5310. X7310. X4027. GEAR CONTROL. R. has criticised the gear… | ||
| img249 | Steering column and wheel specifications for the Bensport model. | ||
| View original record | BY. FROM DA/EV. C. to SG. HS. BENSPORT. DA/EVL/M27.6.32. You c/s? The steering column for Bensport, as previously stated, will be that of Peregrine, and you have received from us the steering… | ||
| img250 | Confirmation of a phone conversation regarding modifications to the Bensport engine, including crankshaft adjustments and supercharger placement. | ||
| View original record | E. ) FROM R. HS. ) ORIGINAL. R1/M24-6/32. C. to EG. WOH. BY. C. to DA. HDY. re. BENSPORT ENGINE. CONFIRMATION OF 'PHONE CONVERSATION OF 27.6.32. It is understood and agreed that we wish to run at 5000… | ||
| img251 | The arrangement of engine components including pumps, ignition, gearbox, and supercharger. | ||
| View original record | (2) The water and oil pump drives are at any convenient spot beyond the dynamo, all of which are on the exhaust side. It was suggested by E. that we place the ignition tower centrally above the… | ||
| img252 | Design delays and knock-on effects caused by repositioning the supercharger on the Bensport chassis. | ||
| View original record | SC. } FROM DA/EV. WOR. } C. to F.H.R. IA/IV6/M29.6.32. BENSPORT. We wish it to be appreciated that the recent desire to change the position of the supercharger and drive from the front of the engine… | ||
| img253 | Design choices for the Bensport model, including controls, mascot, and filler cap, with references to Bentley and Peregrine ll parts. | ||
| View original record | FROM IA/EV. C. to SG. WPR. WR. HS. ORIGINAL - IA/EVS/M29.6.32. X4552. BENSPORT CONTROLS, ETC. R. has agreed verbally to the use of Bentley controls on the top of the column for Bensport, (and even… | ||
| img254 | Explaining a delay on the Peregrine body project due to a backlog of customer orders and clarifying lorry transport logistics. | ||
| View original record | W.R. FROM DA/EV. Copy to HS/LID. ORIGINAL - DA/EV1/M29.6.32. PEREGRINE BODY. V + O27. Referring to HS/LID9/M124632., we would like to state that due to pressure of work on customers cars through… | ||
| img255 | Fitting of bodies for the Peregrine II and J.111 chassis. | ||
| View original record | HS. FROM DA/EV. C. to SG. WOR. BY. E. re. BODIES. ORIGINAL DA/EV4/M29.6.32. x4027 x5830 LID See me (1) PEREGRINE 11. We anticipate that this body may foul the chassis in several places because we were… | ||
| img256 | Placement of the numberplate and tail lamp on Phantom models carrying two spare wheels at the rear. | ||
| View original record | F. FROM LA/EV. C. to H. RE. R. 19-EX. LA/EV3/M29.6.32. Y415 With reference to HS/GWH3/K21632., and EM/HP27632., the official instruction for the Phantom carrying 2 spare wheels at the rear is for the… | ||
| img257 | Weight of the coachwork for the Peregrine / 'Bentley A' 4 door saloon. | ||
| View original record | HS. FROM DA/EV. ORIGINAL DA/EV1/M2.7.32. C. to SG. WOR. BY E. - PEREGRINE WEIGHTS. XU 027. With reference to the 4 door saloon by P. W., for Peregrine, alternatively called 'Bentley A.', we are… | ||
| img258 | Requesting a report on the condition of a received P.2 clutch disc. | ||
| View original record | HS. FROM DA. DA1/W5.7.32. x7300. We have received a P.2. clutch disc, but there is nothing to indicate what conditions produced the state it is in. Could you let us have a report so that we may take… | ||
| img259 | Request for a working specimen of steering column controls for modification to meet company standards. | ||
| View original record | HS FROM DA. RHC DA2/M5.7.32. RECEIVED X5340. J. 3. STEERING COLUMN CONTROLS. R. would like you to send a working (not model) specimen of these controls to me here so that we may work on them with a… | ||
| img260 | Potential improvements and modifications to clutch designs. | ||
| View original record | HS. FROM R. C. to SC. WOK. BY. E. DA. ORIGINAL. re. CLUTCHES. R1/M5.7.32. x5300. x7500. For my own driving, as a weak man, the pressure on 16-G.4. is as much as I can maintain in driving, and… | ||
| img261 | Gear ratio compromises for a damper speed control unit on the Bensport gearbox speedometer drive. | ||
| View original record | P. FROM HDY. Copy to - HS. BENSPORT SPEEDOMETER DRIVE. We are providing for a damper speed control unit on the Bensport gearbox, and the combined drive for this and the speedometer involves us in a… | ||
| img262 | Design updates and solutions for the Bensport engine, focusing on the supercharger, crankshaft, pistons, and flywheel. | ||
| View original record | HS. ) FROM R. E---- ) C. to GG. WOR. DY. DA. BENSPORT ENGINE. This has worried me greatly during the past fortnight, as regards where the supercharger ought to be, the convenience for the driver, and… | ||
| img263 | Modifications to superchargers, engine positioning, clutch, gearbox, and fan arrangements. | ||
| 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… | ||
| img264 | Proposing an improvement to aero engine cylinder construction by using a 6-bolt arrangement. | ||
| View original record | Re.) FROM R. HS. ) C. to SC. BY F R1/W.7.7.32. x3866 PRESENT TYPE AERO ENGINES. CYLINDER CONSTRUCTION. My impression is that the present type construction could be much improved with the extra bolt -… | ||
| img265 | Expressing dissatisfaction with the proposed indirect blower drive for an inverted engine. | ||
| View original record | RG. ) FROM R. HS. ) C to SC DY E AERO ENGINE CONSTRUCTION. X2917a RG. shewed me the drawings of the proposed inverted engine. I regret to say that I think the scheme of indirect drive of the blower to… | ||
| img266 | Increasing aero engine speed and future development, including crankshaft hardening and cylinder construction. | ||
| View original record | H. FROM R. C. to MR. WOH. SY. MS. + R4/W/7.7.32. x3866 x3933. AERO ENGINES - INCREASING THE SPEED. Regarding increased speed, while I feel sure this will result in lowering the reliability, and… | ||
| img267 | Technical memorandum regarding the design of gearboxes for Bensport and Peregrine models. | ||
| View original record | ORIGINAL. H. FROM EDY. C. to Sc. Wor. HS. C. to I. FR. IMC. GEARBOX. BENSPORT & PEREGRINE. RDY1/NB.8.7.32. Y4583. Y4057. We send herewith N. sch. 3490. which shows most of the Bensport gearbox. The… | ||
| img268 | List of technical notes regarding the design and assembly of gearbox components. | ||
| View original record | (2) (3) The outer races of the two roller bearings are secured by riveted pins and washers. (4) Adjustment is provided on the sliders for 1st. and 2nd. and reverse, but none for top and 3rd. (5) The… | ||
| img269 | Revised design modifications for a Bentley 'B' bonnet and radiator. | ||
| View original record | B. FROM DA/EV. C. to F.G. H.R. H.S. L. DA/EVL/49.7.32. BENTLEY 'B'. 1095 We send herewith M. sch 3502. showing the revised design of bonnet and radiator which agrees with the model at Park Wards. The… | ||
| img270 | Photographs of a Bentley 'B' model chassis with a body made by Park Ward. | ||
| View original record | SG/ ) WOR. ) FROM LA/EV. C. to MS. H.I. BENTLEY 'B'. ORIGINAL AEV1/MS.9.7.32. We enclose herewith two of the writer's photographs of the model chassis, with bonnet and radiator, made by Park Ward. The… | ||
| img271 | Proposed modifications to the gearbox, brakes, carburetter, and crankshaft for the Peregrine engine. | ||
| View original record | E. ) FROM R. HS. ) C. to SG. WOR. RG. C. to BY. HDY. PEREGRINE. R4/M13.7.32. X4077 In the opinion of WOR. and perhaps others who have seen the parts of this car the gearbox does not look as if it will… | ||
| img272 | Modifications and material changes for a single valve type shock damper, including a diagram. | ||
| View original record | HS. FROM R. C. to SC. WOR. BY. DA. E. R1/M13.7.32. X235. SHOCK DAMPERS - SINGLE VALVE TYPE. Let us bring this in line with the double valve - RR. type - by the following modifications: (1) No grooves… | ||
| img273 | Potential dynamo and charging system modifications for the 25HP model, weighing options like vibrator control. | ||
| View original record | C. FROM R. C. to SC WDR DY. ES. DA. Referring to your E1/HP/772. we must never forget the fact that changes of standard cause the Administration trouble, especially in connection with spare parts,… | ||
| img274 | Ordering and testing a Borg & Beck clutch to be fitted to the 25HP model. | ||
| View original record | DY. FROM DA. ORIGINAL! DA1/M/14.7.32. x 3000. x 5000. C. to EC. WOH. HS. H. BORG & BECK CLUTCH FITTED TO 25HP. Herewith we send N. sch. 3504. showing an adaptation of the Borg & Beck clutch to the… | ||
| img275 | Modification to the J.3. road shock dampers to increase damping by increasing the valve dashpot diameter. | ||
| View original record | BY. ) FROM HDY. HS/RM. ) C. to SG. WOR. E. [Text struck through] J. 3. ROAD SHOCK DAMPERS. X5520. We send herewith N. sch. 3495. shewing a modification to the valve dashpot to give more damping. The… | ||
| img276 | Proposals for the design of controls on R-R and Bentley cars, including steering wheels. | ||
| View original record | TO GA. FROM W. COPY TO GR. MS. S. NV2/14.7.32. x7340 x8340 x435?. CONTROLS IN THE STEERING COLUMN. As a result of our conversation re the above we have now put our proposals before "R" who has raised… | ||
| img277 | Car dampers and special equipment for customers who drive at high speed or for events like the Alpine trials. | ||
| View original record | Sc. FROM R. C. to ZDE. PY. HS. T. Dr. re. CARS IN GENERAL [Stamp: RECEIVED 1932 JUL 15 WORKS] [Handwritten: X469] We hear a good deal from those people who run their cars at a breakneck speed, and… | ||
| img278 | Potential causes for a piston failure and proposing further investigation. | ||
| View original record | B. } FROM R. HS. } C. to CG. WOR. DY. RG. 19-EX. PISTON FAILURE. Referring to HS2/AD8732., we think this should undergo a thorough investigation at once. Very many years ago we had trouble with piston… | ||
| img279 | Design conflicts between the supercharger drive, steering box, and chassis layout. | ||
| View original record | FROM DA/EV. C. to R. SC. WOR. MS. BELPER. DA/EVL/M15.7.32. Y 353 In confirmation of our telephone conversation yesterday re. your EM/HP12732., and LeC. 3146., shewing a quarter scale layout of the… | ||
| img280 | Design options for the Bentley steering wheel and controls, comparing Bluemell and Dover constructions. | ||
| View original record | FROM DA/EV. C. to [REDACTED] DA/EV1/M.16.7.32. BENTLEY STEERING WHEEL & CONTROLS. We send herewith N. sch. 3505. showing the spring steering wheel and control head for Bensport. With respect to the… | ||
| img281 | Drawings and design modifications for the Bensport front axle and brakes. | ||
| View original record | H. FROM DA. C. to Sc. Wks. MS. E. BENSPORT FRONT AXLE & BRAKE. We send herewith N. schs. 3503. and 3508., drawings of the Bensport front axle and brakes. It will be seen that these differ from… | ||
| img282 | Phone message confirmation regarding the performance of double valve shock dampers. | ||
| View original record | HS/RM. FROM R. CONFIRMATION OF 'PHONE MESSAGE. R1/M18.7.32. re. SHOCK DAMPERS. I understand from Mr. Hardy that our double valve was quite satisfactory for both diagrams and silence when applied to… | ||
| img283 | Specifications and requesting an alteration for a gear lever reverse stop spring. | ||
| View original record | FROM HDY. C. to R. SG. WOK. C. to HS. E GEAR LEVER. REVERSE STOP SPRING. HDY1/M19.7.32. X 7510 X 5710 X 4027 Replying to BY4/G28632., we find we have a print of the new spring G.55577. referred to,… | ||
| img284 | Implementation of mixture and dimming controls on the steering column for Bensport and other models. | ||
| View original record | HS. FROM DA/EV. DA/EV1/M19.7.32. G. to SG. WOR. T. re. CONTROLS ON STEERING COLUMN. X7200 X5540 X4683 We thank you for your HS3/MJ16732., re. the above, and note your remarks. In the case of Bensport… | ||
| img285 | Scheme 3501 for Bensport rear brakes, including wheel options and riveting methods. | ||
| View original record | B. FROM I.A. C. to S. [strikethrough] L.E. BENSPORT REAR BRAKES. x 4 SES Herewith we send N. scheme 3501. shewing the arrangement of the single type rear brakes for Bensport. The axle tubes, hubs, and… | ||
| img286 | Confirming a phone message about the development and considerations of a compression ignition unit, specifically a 2-stroke, sleeve-type engine. | ||
| View original record | RG. EX. FYE. } FROM R. CONFIRMATION OF 'PHONE MESSAGE TO RG. 21.7.32. to WGH. SS. HS. re. COMPRESSION IGNITION UNIT. At WW. we have been delayed somewhat with other engine work but are just about to… | ||
| img287 | With observations on Bensport steering column controls, specifically the dipping device and mixture control. | ||
| View original record | M. FROM DA/EV. C. to SG. WCR. R. HS. EH DA/EV1/M21.7.32. BENSPORT - STEERING COLUMN CONTROLS. With reference to N. sch. 3505. and MSZ/J1677. steering column controls on Bensport adapted from those of… | ||
| img288 | Modifications to a Borg & Beck clutch on a 25HP model, including a new scheme and material suggestions. | ||
| View original record | Pt. FROM DA. ORIGINAL RY C. to S. Wk. HS. /1. DA1/M22.7.32. V2330. x55.. BORG & BECK CLUTCH ON 25HP. We have heard from Borg & Beck that they do not care for our proposal to shorten the central hub in… | ||
| img289 | Conference notes on the design and modification of a supercharged Bensport engine, including details on supercharger position, crankshaft and back axle. | ||
| View original record | SG. FROM R. C. to MS. EX-Evernden. BENSPORT ENGINE. R2/M22.7.32. X4553 CONFERENCE AT WW. THURSDAY, JULY 21. PRESENT SG. R. WOR. MS. E. It was decided that we should at once try a Peregrine engine with… | ||
| img290 | Conference minutes detailing modifications and adjustments for the Peregrine car model. | ||
| View original record | SG. FROM R. C. to Wor. [strikethrough]HS. BY. DA. E.[/strikethrough] Y4037. CONFERENCE AT WW. THURSDAY JULY 21. re. PEREGRINE. PRESENT: SG. R. WOR./[strikethrough]HS.[/strikethrough] E. It was agreed… | ||