Rolls-Royce Archives
| Identifier | Entry | ||
| scan0001 | Bensport front brake cables and clearance for carburetter parts. | ||
| View original record | x206. E. FROM DA. DA1/M16.6.32. C. to HS. BY. BENSPORT FRONT BRAKE CABLES. Herewith is N. sch. 3488. shewing the position with reference to the centreline of the chassis of the brake operating levers… | ||
| scan0002 | Drawings and modifications for the Bensport front axle and brakes, intended for use on both Peregrine and Bensport models. | ||
| View original record | X2076 BY. FROM DA. DAL/M16.7.32. C. to SG. WOR. HS. E. BENSPORT FRONT AXLE & BRAKES. We send herewith N. schs. 3503 and 3508, drawings of the Bensport front axle and brakes. It will be seen that these… | ||
| scan0003 | Scheme 3501 for the Bensport rear brakes, including wheel type and ferodo riveting. | ||
| View original record | X206. BY. FROM DA. DA3/M20.7.32. C. to SG. WOR. HS. E. BENSPORT REAR BRAKES. Herewith we send N. scheme 3501 shewing the arrangement of the single type rear brakes for Bensport. The axle tubes, hubs,… | ||
| scan0004 | Evaluation of the Bensport car's braking system, comparing it to a Peregrine and concluding a servo is necessary. | ||
| View original record | R. from Hs. c. Sg. Wor. c. E. Da. c. Wv. Hdy. X 206. Hs.3/KT.1.10.32. BENSPORT BRAKES. ----------------- We have recently run a Peregrine car which has similar brakes to the Bensport without a servo,… | ||
| scan0005 | Decision to use Bensport direct-acting brakes over servo, hydraulic, or vacuum-assisted types. | ||
| View original record | HS. FROM R. X206 R4/M.10.32. C. to SG. WOR. DA. E. BY. BENSPORT BRAKES. ------------------ We are more than pleased that we have settled to make the Bensport brakes direct acting. We fear the servo… | ||
| scan0006 | Unsatisfactory performance of direct action brakes compared to vacuum servo brakes on various cars. | ||
| View original record | X 2063 To R. From Hs. c. to Sg. Wor. c. to E. Da. c. to By. Hdy. Hs.6/MJ.4.10.32. BENSPORT BRAKES. We cannot quote any car with direct action brakes which we should look upon as satisfactory. The… | ||
| scan0007 | Technical memorandum discussing the design and automatic adjustment of Bendsport brakes for a high-speed car. | ||
| View original record | HS. } FROM R. DA. } X206. R3/M.10.32. C. to SG. MOR. BY. BENSPORT BRAKES. Very rightly I think HS. is of the opinion that these, as arranged on Peregrine, would not give satisfaction on such a high… | ||
| scan0008 | Braking systems, comparing the Lockheed system with a proposed freewheel servo and its potential installation. | ||
| View original record | (2) DA. has pointed out that the Lockheed system has an intensifier which in effect alters the leverage after the slack of the cable has been taken up, that is to say, hydraulically it has two ratios… | ||
| scan0009 | Modifications for 14-inch diameter Bensport brake drums. | ||
| View original record | BY. FROM DA. x 206. DA1/M28.10.32. C. to SG. WOR. HS. E. BENSPORT - 14" DIA. BRAKE DRUMS. On looking into this matter in connection with other parts of the brake system we came to the conclusion that… | ||
| scan0010 | Advantages and modifications to the 14 inch front brake drums. | ||
| View original record | X206 BY. FROM DA. DA2/M29.10.32. C. to SG. WOR. HS. E. B. 3. FRONT BRAKES. In vestigating the 14" brake drums it appears that we can gain some advantages in the brake operating gear, and we have made… | ||
| scan0011 | Design and potential patenting of a hydraulic brake transmission system. | ||
| View original record | HS. } FROM R. DA. } X206 R3/M2.11.32. C. to SG. WOR. BY. BENSPORT - HYDRAULIC BRAKE TRANSMISSION. I have spent considerable thought on this, which has led to the following conclusions: Since we are… | ||
| scan0012 | Methods for returning oil from actuating cylinders to the master cylinder chamber using engine vacuum. | ||
| View original record | (2) As regards returning the oil from the actuating cyls. to the master cyl. chamber should this be found desirable, I suggest that we can use the vacuum of the engine, but I should only use this… | ||
| scan0013 | Design and installation of a Bensport hand brake lever. | ||
| View original record | BY. FROM HDY. X 206 HDY5/M 2.11.32. C. to SG; WOR. HS. E. DA. BENSPORT HAND BRAKE LEVER. We send herewith N. sch. 3589, which shews the hand brake lever for this car. We have not shewn any means of… | ||
| scan0014 | Design and material choice for Bensport brake differentials. | ||
| View original record | X206 BY. FROM DA. C. to SG. WOR. HS. E. DA3/M16.11.32. BENSPORT BRAKE DIFFERENTIALS. Herewith we send N. sch. 3599. shewing the arrangement of the rear brake differentials and cross member. It will be… | ||
| scan0015 | Brake system inadequacies and proposed upgrades for the Peregrine and Bensport models. | ||
| View original record | HS. ) DA. ) FROM R. HDY.) C. to SG. WOR. E. BY. RL/M19.11.32. X.4027 X.4553 X.1559 BRAKES - (ESPECIALLY REFERRING TO PEREGRINE & BENSPORT). We are agreed that these have got somewhat wrong due to… | ||
| scan0016 | Development and design of a new servo and mechanical transmission system. | ||
| View original record | (2) This, and the reduced speed, may make a considerable difference, but at the same time we ought to increase the area of the surface all that we conveniently can. This I understand will be done. On… | ||
| scan0017 | Bensport braking system, enclosing a diagram and comparing it to other models. | ||
| View original record | 8206. BY. FROM DA. DAL/M3.12.32. C. to SG. WOR. HS. E. BENSPORT BRAKING SYSTEM. Herewith we send N.sch.3613.- diagram of the complete braking system, shewing the distribution of braking between fron… | ||
| scan0018 | Specifications and calculations for the experimental 'Bensport' braking system. | ||
| View original record | ~206~ E. From Hs/Gry. BRAKES FOR EXP: BENSPORT. We return herewith your print LeC.3280. The servo is 20/25 unaltered as is also the cross shaft from the pedal. The rear brake differentail has two new… | ||
| scan0019 | New levers required for the braking system on a Bensport J.1. | ||
| View original record | To RHC. from E. c. Hs. Y 206. E.5/HP.6.12.32. Brakes for Bensport J.1.--with existing engine unit. Referring to the above, some new levers will be required for obtaining the desired brake ratios. A… | ||
| scan0020 | Principle of moving to a hydraulic braking system and improving the existing mechanical system. | ||
| View original record | HS. FROM DA. X206. DA2/147.12.32. C. to SG. WOR. BY. BENTSPORT BRAKING SYSTEM. R. wishes it to be accepted as a principle that when we go in for hydraulic operation of the brakes we should dispense… | ||
| scan0021 | Bensport brake leverages for the three rod connection, supplementing a previous scheme for the two rod connection. | ||
| View original record | X-206. BY. FROM DA. DA3/M10.12.32. C. to SG. WOR. HS. E. BENSPORT BRAKE LEVERAGES. Herewith we send N.sch.3615 shewing the total leverages on Bensport when using the three rod connection between the… | ||
| scan0022 | Blueprint for modifying a brake pedal mechanism on a Bensport Chassis. | ||
| View original record | Y 206. To RMC. from E. c. Wor. Hs. E.1/HP.7.1.33. re Bensport Chassis with existing engine unit. We send you herewith a blueprint of LeC.3341 showing modification to brake pedal mechanism, to convert… | ||
| scan0023 | Proposing a new Bensport brake linkage layout and modifications to the 25HP clutch pit. | ||
| View original record | E. BY. FROM DA. C. to SG. WOR. HS. HDY. DA2/M2.2.33. BENSPORT BRAKE LINKAGE. We send herewith N. sch. 3684. - quarter sketch of the brake linkage layout embodying the proposed inverted levers on the… | ||
| scan0024 | Underhanging the servo countershaft and modifying the damper to improve footwell space. | ||
| View original record | BY. FROM DA. X206 DA2/M4.3.33. C. to SG. WOR. HS. E. HDY. We have looked into the question of underhanging the servo countershaft and scissors levers on the above car in order to improve the space… | ||
| scan0025 | Improved brake gear for the Bensport Series 1 to provide better ground clearance. | ||
| View original record | To BY. from E/JNR. X206. c. Wor. Hs. E/JNR.10/HP.15.3.33. re Bensport Series 1. ---------------------- We send you herewith: LeC.3408 showing the improved brake gear, to give a better ground… | ||
| scan0026 | Brake adjustment discrepancies and modifications for Peregrine and Bensport models. | ||
| View original record | X206 By. From Hs/Gry. Hs/Gry.7/MA.13.4.33. BRAKES - PEREGRINE & BENSPORT. X1287 We find that the 21º of rear brake adjustment shown on RR.sch.292 allows a wear of the linings at the shoe centre of… | ||
| scan0027 | Adjustments to 'Bensport' car brakes to correct excessive pedal travel. | ||
| View original record | X206 RHC. from Hs/Gry. Hs/Gry.3/KT.19.4.33. BENSPORT BRAKES. We think that we have too much direct braking on this car which results in the pedal reaching the floorboards during violent braking. Will… | ||
| scan0028 | Fitting steel brake shoes to a Bentley to overcome a complaint about lost pedal movement. | ||
| View original record | X206 By. from Hs/Rn. Hs/Rn. 6/KT. 27.4.33. STEEL BRAKE SHOES FOR THE BENTLEY. One step in overcoming GWH's complaint is to get steel brake shoes on the Bentley, which will enable us to reduce the lost… | ||
| scan0029 | Solution for inefficient brakes on Peregrine & Bensport models due to wet roads. | ||
| View original record | X206 By. from Hs/Gry. Hs/Gry.15/KT, 3. 5. 33. BRAKES - PEREGRINE & BENSPORT. x4027 We think that N.Sch.3717 should overcome the trouble of inefficient brakes due to wet roads, repeatedly met with by… | ||
| scan0030 | Proposed screw adjustment for the Bensport foot and hand brake linkage and modifications to fulcrum brackets. | ||
| View original record | PY. FROM DA. C. to SC. WOR. HS. E. HDY. x ~ 6 DA1/W6.5.33. BENSPORT BRAKE ADJUSTMENT. We send herewith N. sch. 3736. proposed screw adjustment on the foot and hand brake linkage of the Bensport back… | ||
| scan0031 | Alterations made to Bensport brakes components to adjust braking percentages. | ||
| View original record | X206 By. from Hs/Gry. c. to E. Hs/Gry.7/KT.17.5.33. BENSPORT BRAKES. We find that to LeC.3408 we have too much direct braking and have therefore altered the direct braking lever GB.482 from 2.325 Cts.… | ||
| scan0032 | Provision of stops for the levers on the Bensport brake linkage. | ||
| View original record | BY. FROM DA. X 206 DA1/M20.5.33. C. to WGR. ET HS. BENSFORT BRAKE LINKAGE. With further reference to the screw adjusters shewn on N. sch. 3736. it appears that it will be necessary to provide stops… | ||
| scan0033 | Bensport, sending drawing LeC.3495 for gastight fittings for a hand brake lever. | ||
| View original record | X206. To BY. from E/JNR. c. Hs. WHG. E/JNR.1/HP.20.5.33. re Bensport. We send you herewith: LeC.3495 showing the gastight fittings for hand brake lever. E/JNR. | ||
| scan0034 | The particulars of brake adjustment for a chassis with Benisport Brakes. | ||
| View original record | To E. From Hs/Gry. c. to Da. c. to By. c. to Bx. r 206 Hs/Gry.3/MJ.1.6.33. BENISPORT BRAKES. We send you herewith particulars of the brake adjustment on this chassis. Hs/H.Grylls. | ||
| scan0035 | Specification sheet detailing adjustments for Bensport brakes. | ||
| View original record | Hs/Gry.3/H.J.1.6.33. Cont'd. BENSPORT BRAKE ADJUSTMENT. FRONT. 3.500 / .365 cam. 1 Notch of 6° = .370 at end of 3.500 lever. = .019 at shoe centre. Initial setting of front brakes .400 at end of 3.5… | ||
| scan0036 | Changes to the Bentley brake system as recommended by the Experimental Department. | ||
| View original record | BY/ATWD c. Hs. X206. BY.9/G.1.6.33. BENTLEY - RE BRAKE SYSTEM. I have finally decided to make the following changes as recommended by Experimental Department. (1). Alter lever to rear axle from 2.325… | ||
| scan0037 | Changing the brake lining material for Bentley cars from Ferodo to AMR.2. | ||
| View original record | X206.. By. from Hs/Rm. Hs/Rm.13/KT. 16.6.33. BENTLEY BRAKE LINING. We anticipate that we shall want to use AMR.2. brake lining instead of Ferodo Bonded Asbestos on the Bentley. Enough should be… | ||
| scan0038 | Quantity, delivery, and balance of manufactured Ferodo Bonded Asbestos brake linings for the 3½ Litre Bentley 'A' Series. | ||
| View original record | Hs. v 206 BY/Cgh.8/G.22.6.33. 3½ LITRE BENTLEY - 'A' SERIES. -------------------------------- With reference to Hs/Rm.13/KT/16.6.33. we are informed by the O.O. that the whole of the brake linings… | ||
| scan0039 | The 'Bensport Brake Adjustment' for N. Sch's 3748 and 3753, outlining two alternative adjustment methods. | ||
| View original record | X206 To Br. from Da. c. For Hs. ["For" is struck through] Bensport Brake Adjustment. Here are N. Sch's 3748 and 3753 Hand Screw Adjustments on the camshafts of the rear and front brake respectively.… | ||
| scan0040 | Investigation into the cause of 'brake thumps' and the effectiveness of a vertical oil dashpot. | ||
| View original record | X 2056 To E. from Hs/Gry. c. to Wor. c. to Da. c. to By. Hs/Gry.9/KT.4.7.33. BRAKE THUMPS. We have carried out tests on 2.B.IV. chassis on the vertical oil dashpot to N.Sch.3709. For the tests the… | ||
| scan0041 | Modifications to the Bensport front brake cables to increase clearance. | ||
| View original record | COPY TO HS/GRY. X20E. To E. from Da. Da.2/HP.4.7.33. Bensport Front Brake Cables. Referring to R.H. cable fouling the oil pump, I have examined the car and it appears that if the cable could be moved… | ||
| scan0042 | Clearance issue of Bentley front brake cables near the oil pump. | ||
| View original record | To EV. from E. c. Hs. Sft. RHO. Da. Rm x 206. E.2/HP.5.7.33. re Bentley Front Brake Cables. Referring to the question of the front brake cable clearing the oil pump on the engine, we are aware that… | ||
| scan0043 | Oil leak issue on Bentley front brakes and proposed solutions. | ||
| View original record | To E. from Hs/Rn. " Da. Copy to By. X 206 Hs/Rn.7/KT.7.7.33. OIL LEAKING ON THE BENTLEY FRONT BRAKES. This is to confirm our conversation with you that the plate, retaining the thrust washer at the… | ||
| scan0044 | Braking trouble on Bentley cars due to melting grease causing oil leaks. | ||
| View original record | To By. From Hs/Rn. C. E. Da. C. Slt. We have recently experienced trouble with the Bentley brakes when stopping from high speeds. We think that this is partially due to the melting of grease out of… | ||
| scan0045 | Proposing an increase in brake lining thickness and drum diameter for Bensport Brakes. | ||
| View original record | X2 To BY. from Da. c.c. Hs. Da.2/HP.8.7.33. Bensport Brakes. We wish to put forward the view that the brake linings both front and rear, should be increased from .312 to .375, and that this can best… | ||
| scan0046 | Technical memo proposing modifications to Bentley brake systems, including thicker linings and adjustments to the servo mechanism. | ||
| View original record | X206.. To E. from Hs/Gry. c. Da. By. c. Wor. Hs/Gry.1/KT.13.7.33. BENTLEY BRAKES. We wish to incorporate on the second series of cars thicker linings .375" instead of .312" and 14.1/8" dia. front… | ||
| scan0047 | Blueprint graph detailing the braking performance and servo multiplication of torque for a 3½ Litre Bentley. | ||
| View original record | 12 7 32 Hs 1069 3½ LITRE BENTLEY 14⅛ DIA. FRONT DRUMS 12⅛ DIA. REAR DRUMS DIRECT RATIO .23 : 1 SERVO TO FRONT AND REAR 9 : 1 NO MOVEMENT OF SWINGING ARM BRAKE UNITS - PEDAL TO CAM x DRUM DIA % BRAKING… | ||
| scan0048 | Instruction to implement a new brake adjustment for all Bentley chassis after the first 15 have been completed. | ||
| View original record | [Crossed out: BY/TWD] [Crossed out: c. Sft.] c. Hs. X206 BY.7/G.14.7.33. BENTLEY CHASSIS - RE BRAKE ADJUSTMENT. --------------------------------- This is to confirm that the new brake adjustment which… | ||
| scan0049 | Confirming a change to the brake leverage on a 3.5 litre Bentley Chassis. | ||
| View original record | To BY. from E. c. Hs. Sft. X206 E.2/HP.25.7.33. 3½ litre Bentley Chassis. This is to confirm that we handed to Mr Clough last Saturday morning hand written memo from Da. confirming the change in the… | ||
| scan0050 | Proposed test for a new Bensport Brake Linkage design using an air damper. | ||
| View original record | BRX x206. To BY. from Da. c. W.R. H.S. E.R. Da.1/HP.26.7.33. Bensport Brake Linkage. Herewith is N. Sch. 3732, shewing the air damper connected between the balance lever and the front brake… | ||
| scan0051 | The required lift on the wing-nut for Bensport brake adjustment. | ||
| View original record | [Handwritten at top] GRY x204. See me To [Strikethrough]BY.[/Strikethrough] from Da. c. [Strikethrough]Wor E.[/Strikethrough] Hs. Da.6/HP.2.8.33. [Handwritten]HS[/Handwritten] Bensport Brake… | ||
| scan0052 | Suggesting a new brass casting oil drain for Bensport rear brakes. | ||
| View original record | To Br. from Da. c.c. Mr. E. Hs. GRY X206 Da.5/HP.4.8.33. Bensport Rear Brakes. As the present oil drain seems rather small for the thick oil and placed rather high, we have suggested on N. Sch. 3785… | ||
| scan0053 | Modifications to the Bensport brake adjustment system. | ||
| View original record | GRY x206. To RY. from Da. c.c. E. Hs. Da.2/HP.12.9.33. Bensport - Brake Adjustment. Herewith is N. Sch. 3822 shewing modifications to the brake adjustment, principally in order to deal with RHC's… | ||
| scan0054 | Brake performance issues and brake fade experienced on a B.7 model at Ascot. | ||
| View original record | S/W. Hs. Copy to Wor. C. X 206. Bn.21/WT5.10.33. The brakes on B.7 which I drove down to Ascot last Monday were very good all the way down from town, and for the first few runs round the course at… | ||
| scan0055 | Experiments conducted to eliminate brake thumps. | ||
| View original record | 1206 To Sg. From Hs/Gry. c. Wor. E. c. Da. Ry. 1/779 BRAKE THUMPS. We have carried out several experiments on 2.B.IV. with the front brake dashpot N.Sch. 3604. connected between the swinging arm and a… | ||
| scan0056 | Recommending MR material for brake linings on Bentley chassis 101-200. | ||
| View original record | x206 To By. from Hs/Gry. Hs/Gry.12/KT. 8.11.33. BRAKES - BENTLEY. We recommend using MR. material for the brake linings on chassis 101 - 200. This is the same lining as on the first 100 chassis and is… | ||
| scan0057 | New brake linkage scheme, N. Sch. 3869, for direct operation on four wheels for Bentley and 20/25 HP models. | ||
| View original record | To BY. from Da. c. Wor. N. Hs. HBY. B.4. Brake Linkage. Direct operation to 4 wheels. Herewith is N. Sch.3869, arrangement of servo and linkage to enable all four brakes to be pulled up by foot, on… | ||
| scan0058 | Reduction of direct leverage on the Bentley brake linkage for four-wheel operation. | ||
| View original record | x 206 To BY. from Da. c.c. Hs. Da.l/HP.17.11.33. Bentley Brake Linkage. Direct operation to 4 wheels. With further reference to N. Sch. 3869 diagram of linkage in left hand corner, it is now… | ||
| scan0059 | New self-aligning brake equaliser assembly design for the Bentley chassis. | ||
| View original record | GRY To Sft. from E. c. Sg. Wor. Ms. By. Self-aligning Brake Equaliser Assembly - Bentley. Confirming our conversation with respect to the amount of fitting required in dealing with the brake equaliser… | ||
| scan0060 | Suggested changes to the Bentley Rear Brake Differential, including the use of spherical bearings. | ||
| View original record | To DY. from Da. c. For E. HS. Bentley Rear Brake Differential. ---------------------------- Herewith is N. Sch. 3887 showing the suggested spherical bearings to make the differential shafts self… | ||
| scan0061 | Modifications for Bentley brake drum fastenings. | ||
| View original record | To Mr. Ev. from Da. c. Mr. E. Hs. HPT. [Handwritten]: GRY x206 Da.2/HP.23.12.33. [Handwritten]: See me # Bentley Brake Drum Fastenings. ---------------------------- Herewith are N.Sch's: [Handwritten… | ||
| scan0062 | Modifications to rear brake equalisers for Bentley and J.3 models. | ||
| View original record | +206. To BY. from Da. Da.2/HP.20.12.33. c. W.O.B. Hs. Rear Brake Equalisers - Bentley and J.3. Referring to the use of spherical bearings on these equalisers, Tool Department have made suggestions for… | ||
| scan0063 | Confirming the use of M.R. brake linings for Bentley E series chassis. | ||
| View original record | To By. from Hs/Gry. X207 Hs/Gry.7/KW1.1.34. Brake Material - Bentley. For the second two hundred chassis, E series, we have decided on M.R. brake linings, as fitted to the first two hundred cars.… | ||
| scan0064 | Assembly, time savings, and suggested improvements for the Bentley Self Aligning Brake Equaliser. | ||
| View original record | E. from Sft. [Crossed Out] Sft to Mr. Hs. R.. [Crossed Out] GORT [Handwritten] Sft5/BH.1.1.34. BENTLEY - SELF ALIGNING BRAKE EQUALISER ASSEMBLY. Referring to your E.1/HP.5.12.33, as agreed with you on… | ||
| scan0065 | Suggestion to modify the drilling operation for taper pin dowelling on Bentley and 20/25 HP chassis. | ||
| View original record | -2- sfts/BH.1.1.34. (5) Also in the case of both the Bentley and the 20/25 HP. Chassis, it would be a great advantage if the drilling operation for taper pin dowelling could be carried out from the… | ||
| scan0066 | Modifications required for the self-aligning brake equaliser shafts on Bentley models. | ||
| View original record | QRY X206 To BY. from Da. Da.3/HP.2.1.34. c. Wor. E. Hs. HDY. RHC. Self-aligning Brake Equaliser Shafts - Bentley. It is understood that certain slight modifications are required to this as a result of… | ||
| scan0067 | New scheme for a self-aligning brake equaliser assembly for Bentley and other chassis. | ||
| View original record | To WOR. from E/Lid. c. Sg. Hs. By. Sft. Bentley - Self Aligning Brake Equaliser Assembly. In order to facilitate production a scheme was issued in which spherical bearings and an adjustable centre… | ||
| scan0068 | Giving approval regarding the fixing of Bentley brake drums to the end plate. | ||
| View original record | Typed Text: H. from Wor. c. Hs. c. By. c. Sft. c. Der. Wor2/M.5.1.34. Bentley Brake Drums fixing to End Plate. E.6/HP.2.1.34. Re: the 3rd paragraph. I quite agree to your going ahead accordingly. Wor.… | ||
| scan0069 | Standardisation and testing of self-aligning brake equalisers. | ||
| View original record | To Sft. from Hs/Gry. c. to E. x206 Hs/Gry.6/KW5.1.34. Referring to E/LID.2/HP.2.1.34, we agree that it may not be necessary to run 10,000 miles in order to standardise the self-aligning Brake… | ||
| scan0070 | Failed scheme to exclude water from Bentley brakes and plans for further testing. | ||
| View original record | To E. from Hs/GWH. c. to Hy. c. to Da. c. to Sft. X206 Hs/GWH.2/KW10.1.34. Bentley Brakes. -------------- The N.S. 3717 Scheme to exclude water from the brakes was of no value during the last 10,000… | ||
| scan0071 | Tests into inefficient brakes after washing cars, by grooving the linings. | ||
| View original record | To RHC. from Hs/Gry. x206 Hs/Gry.2/KW11.1.34. Inefficient Brakes after Washing Cars. --------------------------------- Tests carried out on 2-B-IV fitted with steel shoes and M.R. linings. In order to… | ||
| scan0072 | Need for extensive testing on a new design for the Bentley self-aligning brake equaliser shaft. | ||
| View original record | To E. from Wor. Copy to Eg. Es. By. SPT. GRYSE me X206 Wor2/T8.1.34. HS BENTLEY - Self Aligning Brake Equaliser Assembly. Referring to the third paragraph of your E/Lid2/HP2.1.34 whilst I agree that a… | ||
| scan0073 | Complaint from Jack Barclay about unsafe brakes on a new Bentley Trials Car. | ||
| View original record | S/W. Wor. c. to Sg. c. " Ms. E. c. " Bn. HS r206 re- Bentley. Cx16/KW11.1.34. I enclose copy of a letter received from Jack Barclay to-day on the subject of the brakes of his Trials Car (B-29-AE). I… | ||
| scan0074 | Letter from Jack Barclay reporting unsafe brakes with terrific judder on a Bentley demonstration car. | ||
| View original record | COPY Jack Barclay Limited, George Street, Hanover Sq, London, W.1. JDB/PWR 10th January, 1934. Major L.W.Cox, Messrs Bentley Motors (1931) Ld. 16, Conduit Street, W.1. Dear Major Cox, I think I ought… | ||
| scan0075 | Technical memo concerning ineffective Bentley brakes when wet, discussing the choice of brake lining as a compromise between longevity and performance in water. | ||
| View original record | V.S. - Cx. From Hs. to Wox. to Sc. to Bm. to Dy. Hs.7/KW.12.1.34. BENTLEY BRAKES(Cx.1/KW.11.1.34) ---------------(Cx.16/KW11.1.34) The complaint on Bentley Brakes as regards them being ineffective… | ||
| scan0076 | Braking efficiency of Ferodo versus AMR linings on Bentley brakes, particularly in wet conditions. | ||
| View original record | X206 To Wor. from Sg. Copy to Hs. B. re Bentley Brakes. Referring to Cx16/KW11.1.34 it certainly rather looks as if we should have to be satisfied with the rather less braking efficiency when using… | ||
| scan0077 | Premature wear on Bentley brake linings and a potential change to Ferodo material. | ||
| View original record | S/W. Hs. c. to Sg. Wer. c. " E. BY. c. " Bn. [Handwritten]: GRAY [crossed out] x206 See me BENTLEY BRAKES. [Handwritten]: HS Referring to Hs.7/KW12.1.34. and to our conversation on the telephone… | ||
| scan0078 | Protective rubber cover for the Bentley easy brake adjustment mechanism. | ||
| View original record | GREY x206. To W.r. from E/Lid. c. Hs. By. E/Lid.1/HP.22.1.34. Bentley - Accessible easy brake adjustment. ------------------------------------ As a result of the trouble experienced on the recent… | ||
| scan0079 | Agreement to fund tools and rubber covers for the Desmo scheme for Bentley's accessible easy brake adjustment. | ||
| View original record | E/Ltd. from Wor. c. Hs. c. By. X206 Wor1/M.23.1.34. Bentley - Accessible easy brake adjustment. E/Lid.1/HP.22.1.34. I quite agree to the tools being made for the Desmo scheme amounting to £15 to £20,… | ||
| scan0080 | Issues with the inefficiency and small size of Bentley brakes. | ||
| View original record | Hs x206 To E. from Sg. Copy to W.W.Hs. re Bentley Brakes. As you know, there is a certain amount of trouble with brakes on the Bentley from the point of inefficiency after they have been used… | ||
| scan0081 | Inefficiency of Bentley brakes when wet and proposing an increase in brake drum size. | ||
| View original record | To Sg. from E. c.c. Wer. Hs. Handwritten: GURY Handwritten: X206 E.11/HP.25.1.34. re Bentley Brakes. With regard to the question of the inefficiency of brakes after the car has been washed or passed… | ||
| scan0082 | Authorising an order for covers for Bentley brake adjusters. | ||
| View original record | To Royr from Hs/Bwg. c. to Hs. x206 Hs/Bwg.2/KW.27.1.34. Covers for Bentley Brake Adjusters. ---------------------------------- Attached is a drawing and correspondence from Desmo Ltd. re the above.… | ||
| scan0083 | Letter from Desmo Ltd. discussing the design of covers for a brake adjustment mechanism, referencing drawing Sk.104/33. | ||
| View original record | Hs-By-E. To meet on Monday morning re this 2-30pm. Directors: R.G. RICHARDS. F.E. SELLERS. B.H. WYATT. DESMO LIMITED 'Desmo House', STAFFORD STREET, BIRMINGHAM, 4. LONDON DEPOT: 220, SHAFTESBURY… | ||
| scan0084 | Letter from Desmo Limited discussing the costs for experimental tools and final production covers. | ||
| View original record | DESMO Continuation Sheet No. 1. Date 9/1/34. Messrs. Rolls Royce Ltd. DERBY. We feel that it now rests with your goodselves as to whether you consider the Cover is likely to be sufficiently… | ||
| scan0085 | Authorizing the order of 6 sets of covers for Bentley brake adjusters from Desmo Ltd. | ||
| View original record | To Roy. from Hs/Bwg. c. to Hs. X206 Hs/Bwg.2/KW.27.1.34. Covers for Bentley Brake Adjusters. --------------------------------- Attached is a drawing and correspondence from Desmo Ltd. re the above.… | ||
| scan0086 | Letter from Desmo Limited discussing the design of covers for a brake adjustment mechanism. | ||
| View original record | COPY. DESMO LIMITED, STAFFORD STREET, BIRMINGHAM, 4. 9th January, 1934. Your Ref: Hs/Bwg.14/KW. Our Ref: WP/HMD. Messrs. Rolls-Royce Ltd., Derby. Dear Sirs, Replying to your communication of the 29th… | ||
| scan0087 | Letter from Desmo Limited's Technical Department regarding the cost of experimental tools and covers. | ||
| View original record | -2- We feel that it now rests with your Goodselves as to whether you consider the cover is likely to be sufficiently satisfactory for your requirements to warrant you assisting us towards the part… | ||
| scan0088 | Strength increase for Bentley Brakes toggle links. | ||
| View original record | To RY. from Da. C. for. R. Hs. RMS. Handwritten: GRY x906 Sleeme Da.1/HF.29.1.34. Bentley Brakes. In cases of heavy braking when the front axle has been found with a permanent set the toggle links are… | ||
| scan0089 | Standardisation of Bentley front brake drums, substituting bolts in place of studs to prevent them from working loose. | ||
| View original record | RR 785B (SH) (S2674, 16-10-33) BM. 3/262/6. X 206. Completed 6.2.34 BENTLEY STANDARDISATION of PARTS. Date 11.1.34. X No. 206. Drawing No. Sch 3920. Part List Description of Parts. BENTLEY FRONT BRAKE… | ||
| scan0090 | Requesting details for modified lever lengths in the brake differentials to correct excessive front braking on model 3-B-IV. | ||
| View original record | To RHC. x206 Hs/Gry.2/KW. 8.2.34. Direct Braking to all four Wheels fitted to 3-B-IV. ------------------------- When the Drawing Office issued instructions for this experiment they forgot to issue… | ||
| scan0091 | Advantages of heat-treating brake shoes to prevent distortion. | ||
| View original record | To Eg. and Wor. from E. c. Hs. By. Hy. Ba. HDY. GRY see me X206 HR re Brake Shoes. We are pleased to see from Hs/Gry.3/KW.5.2.34 that experiments confirm the advantage of heat-treating brake shoes so… | ||
| scan0092 | Suggesting a method for preventing water from entering Bentley brake drums during washing. | ||
| View original record | GRY see me urgent [handwritten and underlined] To BY. from Da. [BY is crossed out] x206 [handwritten] Da.2/HP.13.2.34. HS [handwritten] c.c. For Mr. Hs. HJG. H.Iv. [crossed out] Bentley Brakes - Water… | ||
| scan0093 | Modifications to Bentley rear brakes, including a switch to aluminium shoes. | ||
| View original record | To BT. from Da. c. WOP. R. He. HHG. HWX. x206 Da.1/HP.15.2.34. Bentley Brakes. Herewith are N. Sch's 3974 and 3978 Rear Brakes with 14" drums. Originally designed for steel shoes, N. Sch.3974 shows… | ||
| scan0094 | Brake juddering tests on chassis No. B.69.AE. | ||
| View original record | S/W. Hs. X206 LE15/C/15.2.34. Re Chassis No. B.69.AE. Brakes. This is the car from which Ratcliffe removed the Hancock shoes. I have just tried it after the brakes had been watered and consider the… | ||
| scan0095 | The testing of a device to keep water out of Bentley brakes. | ||
| View original record | x206 To Hs. from Sg. re Bentley Brakes. Sg6/E16.2.34 Copy to Wor.E. I should be glad if you would keep me in touch with the testing of the device which E. referred to the other day for keeping the… | ||
| scan0096 | Modifications to Bentley Brakes, concerning the rearrangement of 14' front drums and the substitution of brake shoes. | ||
| View original record | x206 To BY. from Da. Da.1/HP.17.2.34. c. for E. Hs. Hdv. HEC. GRY Bentley Brakes. Herewith is N. Sch.3980 showing the 14" drums (Front) rearranged with alum shoes. Since we wish to reduce the angle of… | ||
| scan0097 | Bentley front brake testing and modifications for two chassis. | ||
| View original record | x206 To Hs/Grylls. From Hs/Ratcliffe. Report on Bentley Front Brakes. All work carried out at Lillie Hall Depot. Chassis concerned B.51.AE. (Mr. Stewart.) B.69.AE. (Mr. Cockshoot.) 14.2.34. B.51.A.E.… | ||
| scan0098 | Customer complaint from Mr. Payton regarding dangerous braking on chassis No. B-39-AE. | ||
| View original record | Wor. from EP c. Sg Hs E Hd FBS L206 EP4/MR.10.2.34 re Chassis No.B-39-AE - Mr.Payton Dangerous Braking Complaint. ref FBS7/MC.5.2.34 As instructed, I delivered the above to Mr. Payton on the 8th inst.… | ||
| scan0099 | Dangerous and ineffective braking causing steering pull and shudder on a Bentley vehicle, and subsequent tests. | ||
| View original record | -2- EP47/MH.10.2.34 by harder foot pressure. The Bentley, however, during the 'clearing' stage is dangerous, braking absolutely ineffective. This affects the steering by vigorously pulling to one side… | ||
| scan0100 | Methods to increase the flexibility of Bentley brake drums by modifying the ribs. | ||
| View original record | X206 To Hs. from E. E.6/HP.20.2.34. c. Ua. re Bentley Brake Drums. I am of the opinion that the best way to make these drums more flexible is to turn down the ribs all the way round. I do not think we… | ||
| scan0101 | Modifications to levers for Bentley 14' brake drums to accommodate thicker linings. | ||
| View original record | GRY X206 To BY. from Da. C. For. E.H. Hs. Hey-NHS. Da.1/HP.21.2.34. Bentley 14" Brake Drums. In order to take advantage of the .375 thick linings, as explained before, we have increased the cam radii.… | ||
| scan0102 | Comparing the stiffness of Bentley front brake drums to solve juddering issues. | ||
| View original record | GRX x206 To Ex from Da. c. Hs/Grylls. Bentley Front Brake Drums. Comparing stiffness by moments of inertia, the stiffness of the existing C.I. ribbed drum is .00564. The 20/25 steel brake drums before… | ||
| scan0103 | Requesting the trial of steel carrier plates and nitrided drums to resolve Bentley brake judder. | ||
| View original record | To RHC. X 206 Hs/Gry.5/KW.22.2.34. Bentley Brake Judders. Will you please put in hand a pair of steel front brake carrier plates instead of the present aluminium, and also a pair of outer carrier… | ||
| scan0104 | Letter to Desmo Ltd. requesting to hasten the delivery of a set of Bentley Brake Mechanism Covers for trial. | ||
| View original record | X206 Exptl. Dept. Hs/Bwg.18/KW. 23rd February, 1934. Messrs. Desmo Ltd., Desmo House, Stafford Street, BIRMINGHAM 4. Dear Sirs, Can you yet give us an idea as to when we may expect a set of Bentley… | ||
| scan0105 | Cause and potential remedy for brake juddering on Bentley cars. | ||
| View original record | To-E. from Da. c. Hs. By. GRY x206 Da.3/HP.23.2.34. Bentley Brakes - Juddering. ------------------------- An examination of the 3 cars - Phantoms, 20/25 and Bentley, side by side, seems to indicate… | ||
| scan0106 | Requesting test results for a water shield on Bentley brakes and inquiring about the return of a trials car. | ||
| View original record | X206 To Hs. from Sg. Copy to Wor. E. re Bentley Brakes. Sgl/E23.2.34 Please let me know as soon as possible the result of the test with the shield to prevent water getting into the brakes. You might… | ||
| scan0107 | Letter from Desmo Ltd. regarding progress and a slight delay on moulds for experimental Bentley brake mechanism covers. | ||
| View original record | x206 Directors: R. G. RICHARDS. T. E. SELLERS. B. H. WYATT. DESMO LIMITED "Desmo House" STAFFORD STREET. BIRMINGHAM, 4. LONDON DEPOT: 220, SHAFTESBURY AVENUE, W.C.2 Telephone: CENTRAL 6547 (5 Lines)… | ||
| scan0108 | Bentley brakes, noting the failure of special water shields and the return of the Trials car. | ||
| View original record | To Sg. From Hs. c. to Wor. c. to E. J206. Hs.8/MJ.27.2.34. BENTLEY BRAKES. Replying to Sg.1/E.28.2.34. A report is being prepared on all the recent work done on Bentley brakes. The special shields to… | ||
| scan0109 | Proposing a further 10,000-mile test for a Bentley 1V. B.4, outlining results from the previous test and listing new parts fitted. | ||
| View original record | To Sg. From Hs. c. to Wor. c. to E. c. to By. X206 Hs.2/MJ.27.2.34. We propose carrying on the running of the Bentley 1V. B.4 for a further 10,000 miles. A report is being prepared of the results of… | ||
| scan0110 | The testing of a water exclusion scheme to prevent Bentley brake judders. | ||
| View original record | To Sg. from Ha/Gry. c. to Nor. c. to L. c. to By. c. to Da. c. to Hdy. X206 Hs/Gry.11/KW.27.2.34. Bentley Brake Judder. Water Exclusion Scheme - N.Sch.3973. We have tried this scheme on 3-B-IV to… | ||
| scan0111 | Experiments carried out to overcome Bentley brake judder. | ||
| View original record | X206 To Sg. from Hs/Gry. c.c. to OF. c.c. to EV. c.c. to EV. c.c. to DA. c.c. to Hdy. c.c. to LV. c.c. to Em. Hs/Gry.1/KB.28.2.34. BENTLEY BRAKE JUDDERS. We have now carried out a considerable number… | ||
| scan0112 | Brake judder experiments and potential solutions involving brake linings. | ||
| View original record | -2- Hs/Gry.1/Km.28.2.34. (e) Adjusting the axle control so as to increase the backward pivot lean. If the axle then moved back as a whole when braking, the load would not be removed from the pad at… | ||
| scan0113 | The rearrangement of cross steering levers for Bentley 14' brake drums. | ||
| View original record | x206 To BY from Da. Da.3/HP.6.3.34. c. for. P. Hs. Hsy. H.C. Bentley 14" Brake Drums. Herewith is N. Sch.4006, shewing the cross steering levers slightly rearranged to take advantage of the metal dust… | ||
| scan0114 | Experimental changes for Bentley front brakes, including altering the brake carrier material from aluminium to steel. | ||
| View original record | x206 To BY. from Da. c. Wor. E. Hs. Hey. RHo. Da.2/HP.6.3.34. GREY [handwritten signature] Bentley - Front Brakes. In view of the results obtained experimentally by changing the material of the outer… | ||
| scan0115 | Insufficient lubrication of brake counter shafts on a Rippons Demonstration car. | ||
| View original record | o Hs. from Mx. X206 Mx16/TS.8.34. Re.B.25.AE - Rippons Demonstration. We believe the trouble experienced with brakes on this car is due to the shafts being insufficiently lubricated. initially The… | ||
| scan0116 | Investigation into a foot brake countershaft bearing failure due to rusting caused by insufficient lubrication. | ||
| View original record | GWRY e Brake file v206 To Wer. from E/Lid. E/Lid.1/HP.8.3.34. c. Hs. Hx. re - B-25-AE - Rippon Demonstration (Wor5/R.6.3.34). We have made enquiries with reference to the failure, due to rusting, of… | ||
| scan0117 | Modifications to Bentley brakes to reduce sponge in the linkage and increase pedal rigidity. | ||
| View original record | x206 GRY To BY, From Da. Da.1/HP.9.3.34. c.c. Nor. S. Ms. Hsy. WHS. Bentley Brakes. To reduce the sponge in the front brake linkage, which becomes more objectionable with four direct coupled brakes,… | ||
| scan0118 | Loss of braking efficiency after washing a car, attributed to the design of the pivoted brake shoe. | ||
| View original record | GRK x206 Hs. from Hy. Copy to Sg. Wor. E. By. [Strikethrough] See me HS [Handwritten] Hy5/T12.2.34. Re loss of braking efficiency after washing car. It has occurred to me that our troubles may be more… | ||
| scan0119 | Covering memo for correspondence regarding the B-25-AE Rippon Demonstration. | ||
| View original record | E. from Wor. Hs. Mx. Y.206 Wor5/R.6.3.34. Re: B-25-AE... Rippon Demonstration. We attach copies of correspondence in connection with the above and shall be glad to have your comments to enable us to… | ||
| scan0120 | Letter received from Rippon Bros. Ltd. concerning their B-25-AE demonstration car. | ||
| View original record | x206 C O P Y. S/W. Wor. from C. C5/Cl.3.34. Re B-25-AE ... Rippon Demonstration. I enclose copy of letter we have received from Rippon Bros. Ltd. in regard to their demonstration car. I think perhaps… | ||
| scan0121 | Letter to Rippon Bros. Ltd. regarding a rusted rear brake shaft on a Bentley Demonstration car. | ||
| View original record | C O P Y. X206 C4/C1334. 1st March 1934. Messrs. Rippon Bros., Ltd., Huddersfield. Dear Sirs, We are in receipt of your letter of yester- day's date and regret to note the trouble you had with the… | ||
| scan0122 | Letter from Rippon Bros. Ltd. to Bentley Motors (1931) Ltd. regarding a brake issue on a demonstrator chassis. | ||
| View original record | C O P Y. +206 Rippon Bros. Ltd., Huddersfield. February 28th 1934. Messrs. Bentley Motors (1931) Ltd., 16, Conduit Street, London. W.1. Dear Sirs, Re: Chassis B-25-AE... Demonstrator. This car was… | ||
| scan0123 | Request to send a sample Bentley Brake Drum to Leys Malleable Castings for them to manufacture a new set. | ||
| View original record | RHC/EM. x206 Hs/Gry.3/KW.13.3.34. Will you please send to Leys Malleable Castings, one Bentley Brake Drum, either front or rear. Hollingworth will supply you with a scrap drum which they require to… | ||
| scan0124 | Letter to Leys Malleable Castings Ltd. regarding drawings and a sample of brake drums for a Bentley car. | ||
| View original record | x206 Exptl. Dept. HS/Gry.17/KW. 13th March, 1934. Messrs. Leys Malleable Castings Ltd., DERBY. For the attention of Mr. Evans. Dear Sirs, We send you herewith Drawings of the front and rear brake… | ||
| scan0125 | Sending a scrap Bentley Brake Drum to Despatch Stores for onward delivery to Leys Malleable Castings Co. | ||
| View original record | To. D/BP from RHC/MM. c. D/WM (struck through) c. Hs/Gry. x206 RHC/MM5/MS15.3.34. We are sending into the Despatch Stores to-day:- 1 - Bentley Brake Drum. Will you please arrange to have this… | ||
| scan0126 | Letter to Leys Malleable Castings Ltd. apologising for the delay in sending a Bentley Brake Drum. | ||
| View original record | 106 Exptl. Dept. Hs/Gry.G/KW. 19th March, 1934. Messrs. Leys Malleable Castings Ltd., DERBY. For the attention of Mr. Evans. Dear Sirs, We very much regret the delay in sending you a Bentley Brake… | ||
| scan0127 | Experiment to overcome brake judders on a Bentley trials car by fitting steel carrier plates. | ||
| View original record | X206 To Sg. From Ha/Gry. c. to EOF. c. to Re. c. to WBR. c. to Hy. c. to RHy. c. to DHL. BRAKE JUDDERS - BENTLEY. The last experiment we carried out on the Trials car B.47.AE. to overcome judders was… | ||
| scan0128 | Experimental department report on potential improvements to the existing brake layout. | ||
| View original record | EXPERIMENTAL DEPARTMENT REPORT +206 REFERENCE :— Em/Gry.10/KW. 22.3.34. Subject of Report :— Brakes - improvement possible to existing layout. General Conclusions :— Various design modifications… | ||
| scan0129 | Proposing improvements to the Bentley chassis brake system, including larger 14' drums. | ||
| View original record | To Sg. from Hs/Gry. c. to Sor. c. to Rt. c. to Hiv. c. to Day. c. to Em. X206 BRAKES. It is proposed to fit larger brake drums on the Bentley chassis, namely 14" dia. instead of the present 12". We… | ||
| scan0130 | Brake and suspension tests, focusing on spring shackling, equaliser levers, and braking performance under various conditions for different models. | ||
| View original record | -2- RB/GRY.10/KM.22.3.34. To overcome this and for other reasons we have on B.23.AE shackled the springs at the rear, the front half now being in tension instead of the rear half buckling under… | ||
| scan0131 | Technical memo discussing issues and potential solutions for front brake thumps and overall brake inefficiency. | ||
| View original record | -3- Hm/Gry.10/KM.22.3.34. Front Brake Thumps. In order to overcome this trouble we have tried on 3-B-IV direct braking to all wheels to N.Sch.3879, with a pedal overall ratio of 25:1. Everybody who… | ||
| scan0132 | Brake judders on a Bentley, requesting reports and special testing. | ||
| View original record | x206 To Hs/Gry. from Sg. re Brake Judders. Bentley. Sg16/E27.3.34 Referring to Hs/Gry.7/KW.22.3.34 I have asked Bn. for his written report and I also asked JLE to try the car specially and let me have… | ||
| scan0133 | Test report on the brake performance of trials car B-47-AE, focusing on judder issues after being washed. | ||
| View original record | X206 Sg...from Bn. Bn.1/WT26.3.34. This morning I tested the brakes of B-47-AE, our black trials car, and found that after they had been washed and one had to pull up to a dead stop before one had the… | ||
| scan0134 | Brake performance and 'juddering' issues for Chassis No. B.47.AE. | ||
| View original record | Sg. x206 LE1/C/26.3.34. Re Chassis No. B.47.AE. I took this car out after it had been washed and found that the brakes were reasonably effective straight away. If one pulls up to a standstill the… | ||
| scan0135 | The deceitful and unexpected performance of the brakes on a Bentley. | ||
| View original record | #3 X206 To E. from Sg. re the Bentley. Copy to Hs.Wcr. As the result of En. having a car to use himself, he has come to the conclusion that, whilst the brakes are, as we know, very wonderful in their… | ||
| scan0136 | Performance and merits of Bentley brakes in response to a prior communication about complaints. | ||
| View original record | To Sg. From Hs. Hs.7/MJ.12.4.34. BENTLEY BRAKES. Sg.5/E.11.4.34. Although this memo was not addressed to the Expl. Dept., as we have much more experience than anyone else as regards the merits and… | ||
| scan0137 | Potential causes for Bentley brake failures, specifically 'brakes dying away'. | ||
| View original record | X 20 6 W/B. To Sg. from E. c.c. Mr. Hs. E.1/HP.12.4.34. re Bentley Brakes. Replying to your memo Sg.5/E.11.4.34, we are very interested to have Bn's comments on his experiences particularly as we have… | ||
| scan0138 | The causes and potential solutions for axle tramping during braking. | ||
| View original record | - 2 - E.1/HP.12.4.34. We should however like some more particulars from Bn. of the circumstances attached to this dying away of the braking effect so that we can more closely identify the trouble. The… | ||
| scan0139 | Braking performance, specifically rear wheel locking, servo efficiency, and proposed brake mechanism upgrades for a Bentley vehicle. | ||
| View original record | - 3 - E.1/HP.12.4.34. (3) Locking of rear wheels stopping servo. ------------------------------------- The effect of locking the rear wheels first does ensure the driver maintaining steerage control… | ||
| scan0140 | Experimental modification to a car's brakes in response to complaints. | ||
| View original record | To RHC. x 20 6 HS/Gry.8/KW.18.4.34. 2-B-IV. Owing to the complaints by Bn. about the brakes on this car, we wish to modify them by fitting FB.4.A linings all round, and also attaching the linings by… | ||
| scan0141 | Requesting a series of modifications to be put in hand for further experiments on direct braking to all four wheels. | ||
| View original record | To RHC. x206 Hs/Gry.7/KW.18.4.34. BRAKE EXPERIMENTS. We wish to carry out further experiments on direct braking to all four wheels. Will you please put in hand :- (1) Strengthened torsion shaft in… | ||
| scan0142 | Letter to Desmo Limited regarding unsatisfactory brake adjustment covers for a Bentley car. | ||
| View original record | x206 Exptl. Dept. Hs/Gry.7/KW.24.4.34. 24th April, 1934. Messrs. Desmo Limited, Desmo House, Stafford Street, Birmingham 4. Dear Sirs, With reference to the set of Covers you have made for the Brake… | ||
| scan0143 | Requesting servo cams of 35° and 30° for brake experiments on car 3-B-IV. | ||
| View original record | To RHC. x 206 Ha/Gry.15/KW.26.4.34. In connection with our brake experiments on 3-B-IV, we should like to have available servo cams to G.56681/2 of 35° and 30°. These will suit the needle bearing… | ||
| scan0144 | Letter from Desmo Limited regarding unsatisfactory Brake Adjustment Covers and arranging a visit to discuss improvements. | ||
| View original record | Directors: R. G. RICHARDS. T. E. SELLERS. B. H. WYATT. DESMO LIMITED "Desmo House" STAFFORD STREET, BIRMINGHAM LONDON DEPOT: 10, GRAPE STREET, SHAFTESBURY AVENUE, W.C.2 Telephone: CENTRAL 6547 (5… | ||
| scan0145 | Revised wing nut lift specifications for brake adjustments on various chassis models. | ||
| View original record | +206 By: Hs/Gry.18/KW.4.5.34. Easy Brake Adjustment - N.Sch.3931. We find that the wing nut lift of .200 is not suitable for all chassis. This arises owing to the varying toggle radii and also owing… | ||
| scan0146 | Follow-up letter concerning an outstanding order for brake adjuster covers with The Desmo Co. Ltd. | ||
| View original record | Hs/BWG. x206? Rmm ROY/HW.1./RO. 9.5.34. On January 31st. we placed an Order with The Desmo Co.Ltd. Birmingham, for 6 Sets of Covers for Brake Adjusters. You will remember that on the 26th.March their… | ||
| scan0147 | Efforts to have supplier 'Desmo' correct unsatisfactory parts. | ||
| View original record | To Roy. from Hs/Rm. Hs/Rm.1/KT.12.5.34. With reference to ROY/HW.1/RO.9.5.34. We are still in communication with the Desmo people and are endeavouring to get them to correct parts already made for us… | ||
| scan0148 | Letter to Messrs. Desmo Ltd. requesting a sample of Brake Adjustment Covers. | ||
| View original record | X206 Exptl. Dept. Hs/Bwg.15/KW. 17th May, 1934. Messrs. Desmo Ltd., 31, Stafford Street, BIRMINGHAM 4. Attention Mr. W. Pease. Dear Sirs, Brake Adjustment Covers. With reference to the above. We shall… | ||
| scan0149 | Modifying Bentley brake levers and cams for competition purposes. | ||
| View original record | RHC. X 206 Hs/Gry.13/KW.25.5.34. Bentley Brakes with Reduced Leverage. Will you please put in hand a pair of levers to EX.12676/7 and also a pair to G.101233 but with centres increased to 2.450. We… | ||
| scan0150 | Letter from DESMO regarding a sample set of Brake Adjustment Covers sent for inspection and potential modifications. | ||
| View original record | x206 Directors: R.G. RICHARDS. T.E. SELLERS. B.H. WYATT. DESMO LIMITED "Desmo House," STAFFORD STREET, BIRMINGHAM, 4. LONDON DEPOT: 220, SHAFTESBURY AVENUE, W.C.2 Telephone: CENTRAL 6547 (5 Lines)… | ||
| scan0151 | Letter to Messrs. Desmo Ltd. discussing improvements for a sample of brake adjustment covers. | ||
| View original record | X 206 Exptl. Dept. Hs/Bwg.25/KW. 31st May, 1934. Messrs. Desmo Ltd., 31, Stafford Street, BIRMINGHAM, 4. Attention of Mr. Pease. Dear Sirs, Brake Adjustment Covers We are in receipt of your sample of… | ||
| scan0152 | Invoice for brake cable assembly samples and their subsequent return. | ||
| View original record | Hs/Les. c. to G/Mt. c. to Roy/Ms. LES G/Cam/EM13/FW30.5.34. We have received an Invoice dated March 19th, from Bowden(Engineers)Ltd.,London, rendered in respect of:- 1 Front brake cable assembly 1… | ||
| scan0153 | Requesting to book sample brake assemblies into the Works, noting they have been returned to the makers. | ||
| View original record | G/Mt. c. to Roy/Ms. c. to G/Cam. x 20.6 Hs/Les.4/KW.2.6.34. Will you please book into the Works the sample Brake Assemblies referred to in G/Cam/EM13/FW30.5.34. As you will have noticed, these have… | ||
| scan0154 | Letter from Desmo Limited regarding the design and waterproofing of brake adjustment covers. | ||
| View original record | x206 Directors: R. G. RICHARDS. T. E. SELLERS. B. H. WYATT. DESMO LIMITED "Desmo House," STAFFORD STREET. BIRMINGHAM, 4. LONDON DEPOT: 220, SHAFTESBURY AVENUE, W.C.2 Telephone: CENTRAL 6547 (5 Lines)… | ||
| scan0155 | Fitting of Bentley brake adjuster covers and sealing solution to a chassis. | ||
| View original record | X206 To RHC, Hs/Bwg.7/KW. 8.6.34. 4-B-IV. We are handing to you 1 set of Bentley Brake Adjuster Covers together with one tin of sealing solution. Will you please have these covers fitted to the above… | ||
| scan0156 | Request for the manufacture of modified cams and levers for a Bentley brake layout. | ||
| View original record | + 206 RHC. Hs/Gry.2/KW.8.6.34. Will you please make two pairs of cams to the attached Hs.1420/1 and two pairs of levers to EX.12676/7. These modifications to the Bentley brake layout allow us to work… | ||
| scan0157 | Customer complaints about Bentley brakes after washing and a proposed solution involving new liners. | ||
| View original record | BP [Circular Stamp: 14 JUN 1934 S/W I] [Stamp: RECEIVED] C12/C13.6.34 Re BENTLEY BRAKES. - This morning we have had two people complain of drying off their brakes after washing (Sir Malcolm Campbell… | ||
| scan0158 | Bentley brake linings, discussing inefficiency after washing, wear rates, and a proposal to trial a new type. | ||
| View original record | W/S - C. X206 Hs/Rm.2/KW.16.6.34. BENTLEY BRAKES. With reference to C.12/C.13.6.34, we have a brake lining which we consider is better for the particular fault complained of, i.e., inefficiency after… | ||
| scan0159 | Trials and customer issues with a new type of Bentley brake lining. | ||
| View original record | S/W Hs/Rm. x206 C8/C19.6.34 Re BENTLEY BRAKES. Hs/Rm2/KW16.6.34. ----- We are pleased to note that you have a brake lining which you consider is better in respect of the fault complained of, namely… | ||
| scan0160 | Customer's suggestion to fill the holes in Bentley brake drums. | ||
| View original record | S/W Hs/Rm Rm x206 C10/C20.6.34 Re Bentley Brakes. With further reference to my memo. C8/C19.6.34, I enclose copy of further letter we have received from Miss Smith this morning. What do you think of… | ||
| scan0161 | Customer letter regarding noisy brakes on a Bentley car and a temporary fix. | ||
| View original record | COPY 21, Cleveden Drive, Glasgow, W.2. 19th June 1934. Dear Sir, I thank you for your letter of the 18th inst. about the brakes on the Bentley car. I wish to make it quite clear that I am absolutely… | ||
| scan0162 | Issues with Bentley brakes, including brake linings and water ingress. | ||
| View original record | x206 W/S - C. Hs/Rm.16/KW.21.6.34. BENTLEY BRAKES. With reference to C8/C.19.6.34. The material has been sent off to Cricklewood. It would certainly be preferable to put this lining on Miss Smith's… | ||
| scan0163 | The distribution and testing of new brake linings for Bentley cars. | ||
| View original record | S/W..Hs/Rm Rm x206 C13/C22.6.34 BENTLEY BRAKES. Hs/Rm16/KW21.6.34 We note this material has been sent to Cricklewood and we are giving instructions for it to be sent over to Kingsbury. We will have… | ||
| scan0164 | Customer's request for brake liner replacement. | ||
| View original record | S/W....Hs/Rm c. to MK. c. to Reid. Rm C14/C25.6.34 Re B.181.AE...Miss M.B.Smith. Further to Hs/Rm16/KW21.6.34, this lady writes us that she will be leaving home on July 9th for some little time and… | ||
| scan0165 | Test report on foot brake sponge issues for a Bentley model 3-B-IV. | ||
| View original record | FILE. X206 27.6.34. Foot Brake Sponge - Bentley. Tests carried out on 3-B-IV fitted with direct braking to four wheels. With the aid of the servo a 500 lb. pull was applied to the plate lever in the… | ||
| scan0166 | The allocation of linings for Miss Smith at Kingsbury. | ||
| View original record | W/S - C. X206 Hs/Rm.9/KW.28.6.34. Re B-181-AE. Miss M.B. Smith. C14/C.25.6.34. We hope by now that the linings have arrived at Kingsbury. Will you please allot a set of this material for Miss Smith as… | ||
| scan0167 | Allocation and dispatch of a set of brake linings to Glasgow. | ||
| View original record | S/W Hs/Rm Rm x206 C11/C29.6.34 Re B-181-AE..Miss M.B.Smith. Hs/Rm9/KW28.6.34 -------- I note we shall have to use one of the six sets of brake linings sent to K. for Miss Smith, and we have… | ||
| scan0168 | Correct lift for wing nuts on a protected brake adjustment. | ||
| View original record | x206 To RHC. Hs/Gry.22/KW.4.7.34. Latest Type Protected Brake Adjustment. ------------------------------------ We find that the .187" lift wing nuts on 4-B-IV do not give sufficient clearance to the… | ||
| scan0169 | Trialling new rear brake drums for Bentley brakes, made from Leys 'Lepag' material. | ||
| View original record | x20 6 To RHC. Hs/Gry.2/KW.13.7.34. Bentley Brakes. We have put in the stores some rear drums made of Leys "Lepag" material. The reason we are trying these is that Hs. thought a local firm should be… | ||
| scan0170 | Request to alter the rib position on new front brake drums for a Bentley to prevent water ingress. | ||
| View original record | To RHC. x206 Hs/Gry.6/KW.18.7.34. Water in Bentley Front Brakes. You are making for us a pair of front drums with deeper ribs. As these have not yet been machined will you please alter the position of… | ||
| scan0171 | Issue of brake ropes hitting the car's undersheets and proposing solutions. | ||
| View original record | To E. c. to WOP. c. to By. c. to Hiv. x206 Ha/Rm.19/KW.30.7.34. Brake Ropes Hitting Undersheets. We have recently come across several cases of brake ropes hitting the undersheets of cars. We… | ||
| scan0172 | Protected brake adjustment for a Bentley, detailing required wing nut specifications. | ||
| View original record | x206 To By. c. to Mx. Hs/Gry.4/KW.29.8.34. Protected Brake Adjustment - Bentley. We find we require wing nuts of the new type to have .240 lift front and rear to get the required brake clearance. This… | ||
| scan0173 | Requesting instructions on cam lift for Bentley chassis brake mechanism parts, the machining of which was previously delayed. | ||
| View original record | x206 Hs. BY/Cgh.1/G.29.8.34. BENTLEY CHASSIS - BRAKE MECHANISM. GRY At the request of Hs/Grys. we held up the machining of the wing nuts and locking pieces for the easy brake adjustment, as it was… | ||
| scan0174 | Modification of Bentley rear brakes to eliminate the self-servoing feature. | ||
| View original record | To RHC. x206 Hs/Gry.12/KW.11.9.34. Bentley Brakes. With the present system of rear brake operation in which the line of pull of the brakes is several inches below the axle, the rear brakes are… | ||
| scan0175 | Modification to the Bentley front brake pull-off springs. | ||
| View original record | x206 To EH: from Da. Da.2/HP.13.9.34. c. Wors. E. Hs. Hdy. WHG. Rm Bentley Front Brake Pull-Off-Springs. Referring to the Front brake pull-off-springs becoming disconnected on Mr Hall's car, herewith… | ||
| scan0176 | Improvements to Bentley brakes by using stiffer brake shoes to reduce deflection. | ||
| View original record | To RHC. x206 Hs/Gry.11/KW.19.9.34. Bentley Brakes. Now that we are getting better results with direct braking to all wheels on 3-B-IV we wish to eliminate a further piece of sponge from the mechanism.… | ||
| scan0177 | Blueprint for a strengthened steel brake shoe for a Bentley. | ||
| View original record | Hs 1518 Mod To GB 672/3 6.050 R 3.575 R .500 ROLLS-ROYCE, LTD. PRINT ROOM SEP 19 1934 DERBY STRENGTHENED STEEL BRAKE SHOES BENTLEY | ||
| scan0178 | Modifications to the direct four-wheel braking system for standardization purposes. | ||
| View original record | 4206 To By. c. to RHC. Hs/Gry.25/KW.20.9.34. Direct Braking to all four Wheels. This scheme of brakes fitted to 5-B-IV will run 10,000 miles in France with a view to standardisation. The modifications… | ||
| scan0179 | Braking issue due to a faulty servo unit and requesting its repair or replacement. | ||
| View original record | To RHC. +206 Hs/Gry.6/KW.24.9.34. 2-B-IV. For some time this car has had very bad brakes. We found this to be due to the servo, the output of which was half what it should be. We dismantled the servo,… | ||
| scan0180 | Experimental solution to prevent oil from the differential box leaking onto the rear brakes on Bentley models. | ||
| View original record | To By. c. to Da. c. to RHC. x 206 Hs/Gry.13/KW. 26.9.34. Oil on Rear Brakes - Bentley. We have found experimentally that if an axle, filled to the correct level, be tilted 30° the oil in the… | ||
| scan0181 | Suggestion for an adjustable fork end on brake cables for all cars. | ||
| View original record | To BY. Copy to WGF. F. Hs. Hdy WHC. x206 DA.1/MN.4/10/34. Brake Cables - All Cars. Herewith is NSCH 4213 which shows a suggestion for an adjustable fork end on the brake cables. We understand the… | ||
| scan0182 | Investigation and testing to reproduce 'front wheel tramp' upon brake application on a specific vehicle. | ||
| View original record | x206 To Sg. from Hs/Rm. Hs/Rm.21/KW.8.10.34. Front Wheel Tramp upon Brake Application: ------------------------------------- Referring to Sg.13/E.1.10.34 and Sg.15/E.1.10.34. We have now made a number… | ||
| scan0183 | Graph plotting front and rear brake lining temperatures against distance for a Bentley fitted with Ferodo M.Z. linings. | ||
| View original record | BRAKE LINING TEMPERATURE TESTS - BENTLEY TESTS CARRIED OUT ON 3 B.V. FERODO M.Z. LININGS. BRASS RIVETS IN CONTACT WITH DRUM. STEEL SHOES. TEMPERATURE MEASURED BY THERMO-COUPLES IN CENTRE RIVET OF… | ||
| scan0184 | Standardisation of parts for Bentley brakes with easy adjustment and protected working parts. | ||
| View original record | AR 755B (5H) (57394, 30-1-34) BM 3/787/1 COMPLETED 18.10.34. BENTLEY STANDARDISATION OF PARTS. Date 28-9-34 Date 13.9.34. X No. 206. Drawing N. Sch. No. 3931. Part List Description of Parts. BRAKES -… | ||
| scan0185 | Cost estimate for extra jigs, tools, and equipment for a modification fitted to the 'C' series chassis. | ||
| View original record | IDENTITY and STANDARDISATION of PARTS Est. cost of extra jigs, tools and equipment (Sft/WS.21.9.34) £201.0.0. This modification already fitted at 1st chassis in 'C' series. [Stamp] WO RECEIVED 1934 | ||
| scan0186 | Standardisation of spherical bearings for brake equaliser shafts. | ||
| View original record | RR 755B (5H) (57394. 30-1-34) BM 3/787/1 COMPLETED 25.10.34. BENTLEY STANDARDISATION of PARTS. Date 13.9.34. Handwritten date: 9-10-34 X No. 206. Drawing No. Part List Description of Parts. SPHERICAL… | ||
| scan0187 | Cost estimate for extra jigs, tools, and equipment for the 'C' series. | ||
| View original record | STANDARDISATION OF PARTS Est. cost of extra jigs, tools and equipment (Sft/Ws.25.9.34) £166.0.0. Already instructed for "C" series. Sft/GH.25.9.34 | ||
| scan0188 | Requesting the production of a second set of rear brake drums for testing against a standard set. | ||
| View original record | x206 To RHC. Hs/Gry.7/KW.27.10.34. Bentley Brake Drums. While you are making a pair of rear drums to EX.16387 for 5-B-IV, will you please put in hand a second set for 3-B-IV. We want to try one of… | ||
| scan0189 | Experimental Department Report on direct braking to all four wheels for a Bentley. | ||
| View original record | 406 EXPERIMENTAL DEPARTMENT ' REPORT REFERENCE :- Ha/Gry.2/KW.29.10.34. Subject of Report :- Direct Braking to all Four Wheels - Bentley. General Conclusions :- 5-B.IV will be running with this scheme… | ||
| scan0190 | Experiments with direct braking on four-wheel Bentley vehicles. | ||
| View original record | To E. c. to SG. c. to WGR. c. to DA. c. to Ev. c. to Hdy. c. to Bn. Hs/Cry.2/KM.29.10.34. Direct Braking to Four Wheels - Bentley. We have been experimenting with this type of layout on 3-B-IV and… | ||
| scan0191 | Brake system tests, covering pedal effort, braking ratios, and temperature effects. | ||
| View original record | -2- Variations in shoe clearance have not been of any importance. Zinc wire wound Ferodo MZ linings also help to convey heat to the shoe. (2) Pedal Effort to take up Brake Clearance. In spite of the… | ||
| scan0192 | Summary of the disadvantages of direct four-wheel braking compared to the existing layout, with notes on future testing. | ||
| View original record | -3- Hm/Gry.2/KW.29.10.34. To summarise, therefore, it will be seen that there are disadvantages in direct braking to four wheels over the present R.R. layout, but we think on a light fast car such as… | ||
| scan0193 | Letter regarding a customer complaint about noisy brakes on a demonstration Bentley car. | ||
| View original record | C O P Y. S/W. Cx.14/KW.12.11.34. In a letter received from Rippon Bros. of Huddersfield this morning Mr. Rippon says that Mr. Hellyer, who had been loaned his Demonstration Bentley for three days,… | ||
| scan0194 | Cover note from 'Wor' to 'Hs' attaching another memo and requesting information for a reply. | ||
| View original record | Hs. from Wor. Wor3/R.14.11.34. I attach memo - Cx14/KW12.11.34., and shall be glad if you will kindly enable me to reply to Cx. Wor. | ||
| scan0195 | Customer complaint about the noise of Bentley brakes and potential solutions. | ||
| View original record | x206 To Wor. from Hs/Rm. Hs/Rm.3/KW.15.11.34. Replying to Wor.3/R.14.11.34. We shall be glad if Cx. could let us have some more information as to the noise of the Bentley brakes about which Mr.… | ||
| scan0196 | Possibility of fitting larger diameter brake drums to Bentley cars to improve braking performance. | ||
| View original record | #S 206 To Wep. from Sg. re Bentley Brakes. Sg8/E3.12.34 Copy to E.Hs. I have been considering for a long time - and have mentioned on one or two occasions - the question of our making and testing some… | ||
| scan0197 | Brake liner data for 3½ Litre Bentley, 20/25 HP Chassis, and 40/50 HP Chassis. | ||
| View original record | X206 4th December, 1934. BRAKE LINER DATA. 3½ LITRE BENTLEY. Developed Length Per Shoe. No. off. Width. Area. 13.4 Inches 4. 1.6 85.6 Foot.Front 13.4 Inches 4. 1.8 96.5 " Rear. 6.65 8. 1.000 53.2… | ||
| scan0198 | Correspondence regarding a lost order due to brake shudder on a Bentley chassis. | ||
| View original record | X206 Hs. from Wor. Wor8/R.5.12.34. Re: Bentley Brakes - Rippon Bros. Sg8/E4.12.34. Re this matter with which you have already dealt, Sg. states:- "Cx. has shown me this correspondence because it is a… | ||
| scan0199 | Questioning the advantages of fitting larger brake drums to the Bentley. | ||
| View original record | Y 206 To Wor. From Hs. c. to E. Hs.8/MJ.5.12.34. BENTLEY BRAKES. Sg. in his memo Sg.8/E.3.12.34 is very emphatic about the advantages of larger brake drums on the Bentley. Before we have our… | ||
| scan0200 | Trial of larger 14' brake drums on a Bentley to address brake fading issues. | ||
| View original record | x206 To Werx from E. C. Hs. E.12/HP.5.12.34. re Bentley Brakes. Referring to Sg.8/E.3.12.34, the drawings for 14" brake drums on the Bentley which are 2" larger in diameter than the standard drums… | ||
| scan0201 | Investigation into the cause and potential solutions for brake judders on a Bentley. | ||
| View original record | To Sg. From Hs. c. to Wor. c. to R. c. to Hy. c. to Ip. BENTLEY BRAKE JUDDERS. We found on Ip's. car which you returned to Derby for brake judders that the pin on the front axle control bracket was… | ||
| scan0202 | Customer complaint regarding a juddering Bentley car after being washed. | ||
| View original record | x206 S/W....Wor- c. to Hs. E. C20/C7.12.34 I enclose copy of complaint from the Showroom, made by Mr. W.L.P.Miesegaes in regard to B-136-AH. You will notice he states that the judder which takes place… | ||
| scan0203 | Complaint report regarding persistent issues with a 3.5-litre Bentley, chassis B.136.AH. | ||
| View original record | COPY Sg COMPLAINT re W.L.P.Miesegaes. Chassis No. B.136.AH The above gentleman is a brother of Mr.Miesegaes who is interested in Dex Garages, our Retailers. He called in the Showrooms last evening and… | ||
| scan0204 | Cure for juddering brakes which necessitates designing new parts and a proposal to investigate existing cars. | ||
| View original record | x206 To Wor. c. to E. Hs/Rm.10/KW.8.12.34. Juddering Brakes. With reference to C20/C.7.12.34. As you will have seen from Hs's note, we have a cure for juddering brakes, but this necessitates the… | ||
| scan0205 | Various brake complaints on Bentley motor cars. | ||
| View original record | x206 To Hd. from Hs/Rm. Hs/Rm.6/KW.10.12.34. Brake Complaints - Bentley. We are getting a number of brake complaints to deal with on the Bentley, and it would be of material assistance to us if… | ||
| scan0206 | Customer complaints related to various brake issues. | ||
| View original record | -2- Hs/Rm.6/KW.10.12.34. (6) Brakes fading when car is driven hard. Once again, this trouble is susceptible to the bedding of the brakes. If the brakes are bedding correctly we consider that the car… | ||
| scan0207 | Bentley brake issue involving a Rippon Brothers car, requiring inspection at the Works. | ||
| View original record | x206 To Wor. Hs/Rm.14/KW.10.12.34. Bentley Brakes - Rippon Brothers. Sg. 8/E.4.12.34. Replying to Wor.8/R.5.12.34, we should like to deal with this case by having the car at the Works. We should… | ||
| scan0208 | Cause and potential cures for Bentley brake judders, referencing specific tests and modifications. | ||
| View original record | To Hs. from Sg. Copy to Wor.E. ~~BY.Lp.G.~~ Bentley Brake Judders. Thanks for Hs.2/MJ.7.12.34. I am very glad indeed to note that you found some definite cause for the very alarming experience which I… | ||
| scan0209 | Arrangements to fit Girling brakes to a Bentley car. | ||
| View original record | To RHC. +206 Hs/Rn.1/KW.10.12.34. Girling Brakes. We are arranging with the Girling people for them to fit a set of brakes to one of our Bentley cars. In order that we may cut down the time during… | ||
| scan0210 | Different types of Ferodo brake linings fitted to Bentley cars for Rippon Brothers and a Mr. Payton. | ||
| View original record | To Wor: from Hs/Rm: x206 Hs/RM.2/KW.11.12.34: Bentley Brakes - Rippon Brothers. Sg.8/E.4.12.34. & Wor.8/R.5.12.34. Further to our Hs/Rm.14/KW.10.12.34, the brake linings fitted to B-162-AH were Ferodo… | ||
| scan0211 | Juddering brakes on Bentley cars owned by Mr. and Mrs. Duveen and arranging service. | ||
| View original record | Hs. from Wor. Wor2/R.11.12.34. Juddering Brakes - Bentley B-122-CR. - Mrs. Geoffrey Duveen. B-191-AE. - Mr. Geoffrey Duveen. We can have both these cars on Friday morning of this week, and keep them… | ||
| scan0212 | Arrangements to investigate juddering brakes on a Bentley. | ||
| View original record | To Wor. from Hs/Rm. x206 Hs/Rm.16/KW.11.12.34. Juddering Brakes - Bentley. Replying to Wor.2/R.11.12.34, we are arranging for W. Brazier to go down on this job. We are of course expecting to work in… | ||
| scan0213 | Bentley Brakes, questioning the lack of progress on testing new schemes, especially larger brake drums. | ||
| View original record | To Hs. from Sg. Copy to Wor.E. C.P. re Bentley Brakes. Referring to Sg8/E3.12.34 I understand that several different schemes have been designed at the request of the Experimental Dept. but that… | ||
| scan0214 | Clarifying the distinction between two types of Bentley brake judders, highlighting the dangerous 'front axle tramping'. | ||
| View original record | To Hs. from Sg. Bentley Brake Judders. Copy to Wor.E. B.Y.Ip.C.Bn. [Text is struck through] With further reference to Sg2/E10.12.34 I want it to be clear that in using the words 'brake judders' I am… | ||
| scan0215 | Tests conducted on Bentley front axles to address 'tramping' by adjusting front shock damper loads. | ||
| View original record | To Hs/Rm. From Hs/W.Brazier. X206 11.12.34. "TRAMPING" OF BENTLEY FRONT AXLES. Tests taken on B.1.V. have proved that with increased front shock damper loads there is less tendency for the car to… | ||
| scan0216 | Correspondence arranging the collection and repair of three customer vehicles experiencing juddering brakes. | ||
| View original record | Hs. from Wor. Worlo/R.11.12.34. Juddering Brakes. B-122-CR - Mrs. Geoffrey Duveen. B-191-AE - Mr. Geoffrey Duveen. B-136-AH - Mr. W.L.P. Miesegaes. This is to confirm, as agreed with you, that our… | ||
| scan0217 | Confirming arrangements for a mechanic to attend to several customer cars in London. | ||
| View original record | COPY x206 S/W - Wor. from C. C22/C12.12.34. Re B-122-CR. Mrs. Duveen. & B-191-AE. Mr. Duveen. Wor9/R.11.12.34. I note that your man Brazier from the Experimental Dept. will be at 4a, Belgrave Mews… | ||
| scan0218 | Arrangements for the inspection of a Bentley with brake problems from Rippon Bros. | ||
| View original record | x206 Hs/Rm. from Wor. Wor4/R.13.12.34. Bentley Brakes - Rippon Bros. Hs/Rm.14/KW.10.12.34. & Hs/Rm.2/KW11.12.34. Sg. informs me that arrangements are being made for Mr. Rippon to send the car over to… | ||
| scan0219 | Failure on chassis B-11-AE, requesting information on its history and any previous issues. | ||
| View original record | PRIVATE W/K - C1. x206 Hs/Rm.11/KW.14.12.34. Thank you for your note regarding Chassis No. B-11-AE, Mrs. Smith Bingham. We have examined the parts. We should like to know whether from your records… | ||
| scan0220 | Delivery of the Rippon Bros. Trials Car B-162-AH for brake attention. | ||
| View original record | Wor. c. to Hs/Rm. x 206 D/BP5/OG15-12-34 Re: Rippon Bros. Trials Car B-162-AH With reference to Wor4/R.13-12-34 and Hs/Rm14/KW.10-12-34, will you please note that this car will be delivered to us on… | ||
| scan0221 | Brake judder and suggesting modifications to brake drum drain holes for improved water drainage. | ||
| View original record | Hs/Rm. K/C1/DPB/15.12.34. Ref. B.191.AE. B.122.CR. B.136.AH. BRAKE JUDDER. I daresay by now Brazier has returned to W after his visit to K regarding brake judder. I asked him to point out to you the… | ||
| scan0222 | From 'Hs.' to 'Sg.' about delays with a Bentley brakes job, clarifying that 'Rm.' was not responsible. | ||
| View original record | To Sg. From Hs. Hs.2/MJ.16.12.34. Referring to our conversation on Bentley brakes. I could not understand why we had not taken more action with Da.3/HP.23.2.34. I have looked into it and I find that… | ||
| scan0223 | Eight major complaints with the Bentley braking system and proposed solutions. | ||
| View original record | x206 To Sg. From HA/Rm. c. to Wor. c. to E. c. to Hy. c. to Da. c. to Hdy. c. to Bm. HS/No.2/RM.17.12.34. Bentley Brake Complaints. We have during the past 9 months been dealing with 8 major… | ||
| scan0224 | Technical report on mitigating vehicle tramping and wet brake issues for existing and future cars. | ||
| View original record | -2- A second palliative is the Wilmot-Breeden stabilising bumper. This definitely reduces the tendency to tramp when used in connection with increased shock absorber loads. Reducing the front braking… | ||
| scan0225 | Brake judder issues at low speeds and potential solutions. | ||
| View original record | -3- (3) Jaggers when the brakes are applied sharply at 20 m.p.h. or below. Existing Cars. Too much front braking or snatching front brakes cause the trouble, and both can frequently be reduced by… | ||
| scan0226 | Technical report on front and rear brake issues and proposed solutions. | ||
| View original record | -4- (4) Front Brake Thumps. Existing Cars. This is always susceptible to the adjustment of the swinging arm, and to a lesser extent to the bedding of the front brakes. Future Cars. We have a scheme… | ||
| scan0227 | Technical discussion on braking issues, including front brake ineffectiveness and brake fading, for existing and future cars. | ||
| View original record | -5- Hs/Rm.E/KW.17.12.34. Future Cars. We think the new water seal mentioned in (2) will largely eliminate the trouble even with M.R. linings. (7) Front Brakes ineffective when rear wheels are locked.… | ||
| scan0228 | Effects of adding weight to the brake drum to mitigate high-speed tramping. | ||
| View original record | -6- HM/RM.2/KM.17.12.34. We are apprehensive of adding more weight to the brake drum in case it lowers the road speed at which high speed tramping can occur, by increasing the transverse moment of… | ||
| scan0229 | Photograph showing a close-up view of the front left wheel, suspension, and braking system of a vehicle. | ||
| View original record | ", | ||
| scan0230 | Solution for juddering brakes on three customers' cars by fitting Ferodo Bonded Asbestos liners. | ||
| View original record | +206 To Wor. from Hs/Rm. Hs/Rm.9/KW.17.12.34. Juddering Brakes. B-122-CR. Mrs. Geoffrey Duveen. B-129-AE. Mr. Geoffrey Duveen. B-136-AH. Mr. W.L.P. Miesagaes. The results of the work done at Kingsbury… | ||
| scan0231 | Investigation into brake judders on three Bentley motor cars following washing. | ||
| View original record | To Hs/Rm. 4206 17.12.34. Brake Judders on Bentley. B-191-AE. Mr. Geoffrey Duveen. B.122-CR. Mrs.Geoffrey Duveen. B-136-AH. MR. W.L.P. Miesagaes. The above cars all had the same complaint, i.e.… | ||
| scan0232 | Report page discussing uneven braking due to water in the drums and a customer's general dissatisfaction. | ||
| View original record | -2- From this it would seem that the uneven braking is caused by more water being present in one drum than the other, and the time necessary for the brakes to dry off governed by the amount and power… | ||
| scan0233 | Experimental work, issues, and delays related to Bentley brakes and axle control. | ||
| View original record | To Sg. From Hs. c. to Wor. c. to E. BENTLEY BRAKES. I have gone over the experimental work on Bentley brakes and a point which we think we have done badly on is not giving more attention to the… | ||
| scan0234 | Issue of juddering brakes on three customer cars and proposed solutions. | ||
| View original record | x206 To Wor. from Hs/Rm. Hs/Rm.15/KW.18.12.34. Juddering Brakes. B-122-CR. Mrs. Geoffrey Duveen. B-129-AE. Mr. Geoffrey Duveen. B-136-AH. Mr. W.L.P. Miesagaes. The results of the work done at… | ||
| scan0235 | Chassis deflection due to front braking on Bentley and Spectre models, concluding the Spectre front end needs modifications. | ||
| View original record | X206 EXPERIMENTAL DEPARTMENT REPORT. REFERENCE :- Hs/Gry.21/KW.18.12.34. Subject of Report:- Chassis Deflection due to Front Braking. Bentley & Spectre. General Conclusions :- Spectre Front End… | ||
| scan0236 | Chassis deflection caused by front braking on a Bentley a Spectre. | ||
| View original record | HS/Gry.21/KW.18.12.34. Chassis Deflection due to Front Braking. Bentley a Spectre. When the Bentley front axle was fitted to Peregrine cars we endeavoured to find out whether the axle was stiff enough… | ||
| scan0237 | Report discussing chassis frame buckling, distortion, and comparisons with Cadillac and La Salle, alongside an analysis of torque testing and front brake juddering. | ||
| View original record | -2- HB/Gry.21/WW.18.12.34. (4) The frame itself had buckled in the bend just behind the pot fixing, the welding underneath the frame having given way. We are handing the chassis to MID. for a detailed… | ||
| scan0238 | Short memo regarding ongoing intensive work on brake judders. | ||
| View original record | x206 To K/Cl. from Hs/Rm. Hs/Rm.6/KW.20.12.34. Brake Judder. Many thanks for K/Cl/DPB/15.12.34. We are doing a little intensive work on brake judders, and hope to have some further information for you… | ||
| scan0239 | The mechanical efficiency of brake system components. | ||
| View original record | X206 EXPERIMENTAL DEPARTMENT REPORT. REFERENCE :— Hs/AFM.4/KW.21.12.34. Subject of Report:— Mechanical Efficiency of brake System Components. General Conclusions :— That the efficiency is not high and… | ||
| scan0240 | Investigation into the mechanical efficiency of brake system components, with a focus on braking loss in the Spectre model. | ||
| View original record | To E. from Hs/AFM. c. to Wor. c. to By. Hs/AFM.4/KW.21.12.34. Mechanical Efficiency of Brake System Components. The mechanical efficiency of R.R. brake systems is not high; for instance, if 100 lbs.… | ||
| scan0241 | Analysis of the efficiency and performance of various mechanical components, including toggles, cables, and brake linkages. | ||
| View original record | -2- HS/AFM.4/KW.21.12.34. D.A. has suggested that the trouble may be due to a large number of small distortions. His original suggestion that the carrier plate might distort under load can hardly… | ||
| scan0242 | Report page detailing the efficiency and friction analysis of a torsion shaft, pin joints, and a lever system. | ||
| View original record | -3- Hs/AFM.4/KW.21.12.34. Torsion Shaft in 20/25 Front Axle. The efficiency of this component is 89%, and is apparently constant. This includes the two pin joints on it. Therefore for a Bowden cable… | ||
| scan0243 | Graphs of Bowden Cable efficiency against angle at various loads. | ||
| View original record | PERCENTAGE EFFICIENCY 500 LBS 300 LBS DEGREES 50 LBS 25 LBS BOWDEN CABLE GRAPHS OF EFFICIENCY AGAINST ANGLE AT VARIOUS LOADS ANGLE - DEGREES | ||
| scan0244 | Blueprint graph showing the efficiency of Bentley brake toggles under varying loads. | ||
| View original record | M F H EFFECIENCY OF BRAKE TOGGLES, ETC. (BENTLEY) LEFT Y-AXIS: DEFLECTION OF BRAKE SHOES AT TOGGLE PIVOTS 1/1,000"S MOVEMENT RIGHT Y-AXIS: % EFFECIENCY X-AXIS: LBS - LOAD APPLIED AT LAST EXTERNAL 3.5"… | ||
| scan0245 | Graph and table detailing the efficiency of a Bowden Cable at various angles and loads. | ||
| View original record | M & A PERCENTAGE EFFICIENCY LBS - INPUT EFFICIENCY OF BOWDEN CABLE READINGS TAKEN WITH CABLE WELL OILED GRAPH DATA: M = 0.264, ANGLE = 16° M = 0.282, ANGLE = 60°, MEAN DIA = 70" M = 0.214, ANGLE =… | ||
| scan0246 | Graph showing efficiency and hysteresis readings for a torsion shaft in a 20-25 front axle. | ||
| View original record | PERCENTAGE EFFICIENCY 100% 90 80 MOVEMENT - THOUSANDTHS OF AN INCH 500 400 300 200 100 0 EFFICIENCY OF TORSION SHAFT IN 20-25 FRONT AXLE. HYSTERESIS READINGS TAKEN WITH SPRING BALANCE IN "SECONDARY"… | ||
| scan0247 | Graph showing the efficiency and deflection of a pin-jointed octagon under load. | ||
| View original record | EFFICIENCY (95.5%) % EFFICIENCY DEFLECTION THOUSANDTHS OF AN INCH LBS INPUT EFFICIENCY OF PIN JOINTED OCTAGON R R PIN JOINTS NºS G.53634, G.50142, G.52047. SPRING BALANCE IN ONE "SECONDARY" SIDE… | ||
| scan0248 | Graph showing the efficiency of one and six brake levers against input load. | ||
| View original record | M & A EFFICIENCY LINE FOR ONE LEVER EFFICIENCY LINE FOR SIX LEVERS PERCENTAGE EFFICIENCY INPUT LOAD - LBS. EFFICIENCY OF 20-25 H.P. BACK AXLE BRAKE LEVER Nº G 53637 ABOVE 75 LBS. LOAD THE EFFICIENCY… | ||
| scan0249 | Side view diagram of a front axle and brake drum assembly. | ||
| View original record | 568A | ||
| scan0250 | Photograph showing a load test on a series of linked components using a spring balance. | ||
| View original record | SALTER'S IMPROVED SPRING BALANCE No 299 WARRANTED 2000 LBS BY 10 LBS | ||
| scan0251 | Follow-up memo regarding an investigation into brake judder and a subsequent complaint of brake squeaking. | ||
| View original record | COPY. S/W. Wor. from C. C5/C.24.12.34. Re B-136-AH. W.L.P. Miesegaes. You will remember you sent an Experimental Dept. representative to London to investigate "judder" on this car, and also the two… | ||
| scan0252 | Requesting a report on a Bentley car's brakes sent for examination by Rippon Bros. | ||
| View original record | x206 Rm. from Wor. Wor2/R.27.12.34. Bentley Brakes - Rippon Bros. Wor4/R.13.12.34. Can we now have a report on the car which Mr. Rippon sent for examination as per memo above ? Wor. | ||
| scan0253 | Cover memo from 'Wor' requesting a reply to an attached document. | ||
| View original record | Hs/Rm. from Wor. Wor2/R.28.12.34. B:136.AH.- W.L.P. Miesegaes. I shall be glad if you will enable me to reply to the attached memo from C. Wor. Attch: C5/C24.12.34. | ||
| scan0254 | Work on chassis B-136-AH and a water exclusion scheme. | ||
| View original record | To Wor. from Hs/Rm. K20b Hs/Rm.3/KW.28.12.34. Chassis B-136-AH. W.L.P. Miesegaes. Replying to Wor2/R. 28.12.34. We have already reported on the results of the work done on this car in… | ||
| scan0255 | Brake jaggers on Bentley cars caused by water on the liners, requesting the completion of water excluding schemes. | ||
| View original record | To RHC. + 206 Hs/Rm.16/KW.31.12.34. Water Excluding Schemes - Bentley. Brake jaggers due to water getting on the liners are still No. 1 Bentley complaint. We shall be glad therefore if you will… | ||
| scan0256 | Response to a customer complaint regarding brake judder and issues with the dynamo and batteries. | ||
| View original record | x206 W/S - H. Hs/Rm.9/KW.31.12.34. Complaint Case. W.L.P. Miesegaes Esq., B-136-AH. Replying to H6/H. 28.12.34. m x 1961 Brakes. The brakes were found to be standard. They juddered when the car came… | ||
| scan0257 | Fitting an improved scheme to a Bentley chassis to prevent water entering the drums. | ||
| View original record | x206 To Wor. from Hs/Rm. Hs/Rm.13/KW.1.1.35. Bentley Chassis. un X4553A (3) Replying to Wor.3/R.1.1.35. An improved scheme to prevent water from entering the drums will certainly be fitted to 5-B-IV… | ||
| scan0258 | Fitting water excluders to a Bentley chassis and circulating the information to depots. | ||
| View original record | Hs. from Wor. Hd. Wor3/R.2.1.35. BENTLEY CHASSIS. Page 4 of Minutes - Sg21/E21.12.34. Paragraph 3, Minute 2, states:- "We are fitting this, plus water excluders to "Rippon's car which is now in the… | ||
| scan0259 | The status of experiments on different varieties of water excluders. | ||
| View original record | x206 To Wor. c. to Hd. Hs/Rm.12/KW. 2.1.35. Replying to Wor.3/R. 2.1.35, we have not yet completed our series of experiments on different varieties of water excluders. When we have selected the best… | ||
| scan0260 | Confirming no design has been issued for a feature on the Bentley Chassis. | ||
| View original record | x206 ? x201 To Wor. from Hs/Rm. Hs/Rm.13/KW.2.1.35. Bentley Chassis. Replying to Wor.2/R.2.1.35. No design has as yet been issued for this feature. Hs/Rm. | ||
| scan0261 | Dynamometer test results and observations concerning wet brake judder on a 3-B-IV system. | ||
| View original record | 4206 To Rm. Hs/Gry.24/KW.2.1.35. Wet Brake Judders - 3-B-IV on Dyno. (1) Axle control moved out to ends of axle does not prevent judders. (2) O.S. only will judder running either backwards or… | ||
| scan0262 | Brake trials, wet brake jaggers, and axle lubrication faults on a Rippon Brothers' trials car. | ||
| View original record | To Wor. from Hs/Rm. x206 Hs/Rm.4/KW.3.1.35. Bentley Brakes - Rippon Brothers' Trials Car. Replying to Wor.4/R.13.12.34. We fitted an experimental set of improved water excluders to the front drums of… | ||
| scan0263 | Weight breakdown of the Bentley Brake Mechanism, detailing components for the foot brake and hand brake. | ||
| View original record | x206 To Hs/Rm. Hs/FD.10/KW.3.1.35. Weight of Bentley Brake Mechanism up to the Drums. FOOT BRAKE. lbs. ozs. drms. Front axle section 6 3 13¼ Front brake equalisers 5 9 6 Servo countershaft 4 13 3½… | ||
| scan0264 | Pivot changeover for Bentley, including testing, standardisation, and other related axle modifications. | ||
| View original record | x206 To Wor. from Hs/Rm. Hs/Rm.11/KW.4.1.35. Pivot Changeover for Bentley. With regard to this job, the present position is that we have fitted the strengthened pivots to a car and found that they… | ||
| scan0265 | Modifications made to front axle drums for water exclusion tests. | ||
| View original record | TO RHC. +206 Hs/Rm.2/KW.8.1.35. Water Exclusion Tests. Please note that on 5-B-IV and 3-B-IV front axles we have opened out one drain hole on the drums to 5/16", in order to take measurements of the… | ||
| scan0266 | Requesting modifications to a front drum for a water exclusion experiment. | ||
| View original record | 4206 To RHC. We want to try another water excluding scheme on 5-B-IV which so far has given promising results. Will you remove the straight-sided flange on O.S. front drum, give it to me and replace… | ||
| scan0267 | Follow-up inquiry regarding a complaint from Rippon Brothers of Huddersfield after brake work was completed. | ||
| View original record | x206 W/S - C. c. to Wor. Hs/Rm.22/KW.16.1.35. Rippon Brothers of Huddersfield. We have heard nothing from Messrs. Rippon Bros. since we carried out work on the brakes with a view to overcoming their… | ||
| scan0268 | Technical bulletin regarding high-speed tramping on Bentley cars and the solution to raise the front shock absorber load. | ||
| View original record | x206 To Hd. (FOR DEPOT SHEET). Hs/Rm.17/KW.16.1.35. Tramping on the Bentley Car. Isolated cases have arisen where a customer has complained of high speed tramping when suddenly applying the brakes… | ||
| scan0269 | Request for parts to be made to run a Bentley front axle in the Bumper House for brake juddering analysis. | ||
| View original record | X206 To RHC. Hs/KS.2/KW.19.1.35. Would you kindly have these parts made so that we can run the Bentley front axle in the Bumper House in connection with brake juddering. Hs/K.Scholes. Att: Hs.1720/1. | ||
| scan0270 | Brief typed memo regarding work carried out for Rippon Bros. of Huddersfield. | ||
| View original record | x206 ->S/W...Hs/Rm c. to Wor. ----- C19/C19.1.35 Rippon Bros. of Huddersfield. Hs/Rm22/KW16.1.35 ------- We have heard nothing from Rippon Bros. on the matter, since you carried out this work on… | ||
| scan0271 | Pivot changeover and the development of water excluders to fix brake judders on Bentley cars. | ||
| View original record | To Wor. from Hs/Rm. +206 ROOT Hs/Rm.5/KW. 22.1.35. Pivot Changeover for Bentley. Replying to Wor20/R. 21.1.35. Answering your queries in order - (1) We have now completed our tests on the new water… | ||
| scan0272 | Recommendations for servicing cars, including changing pivots and specific checks on axle control, petrol pumps, and pinion thrust races. | ||
| View original record | -2- Hs/Rm.5/KW.22.1.35. For the remaining cars we recommend that the pivots should be changed without altering the water excluders. In the meantime provision can be made for getting the new excluders… | ||
| scan0273 | Requesting the urgent adaptation of a successful water excluder for a standard drum. | ||
| View original record | x206 COPY. To RHC. from Hs/AFM. Hs/AFM.1/MJ.22.1.35. Our water excluder as fitted to 5-B-IV has proved successful. We now want to adapt this to a Standard drum, the sketch herewith shewing the method.… | ||
| scan0274 | Outlining two arrangements for testing on a brake judder rig to increase the torsional stiffness of a Bentley axle. | ||
| View original record | To RHC. x20b Hs/FJH.4/KW. 23.1.35. Wet Brake Judders - Bentley. On the brake judder rig in the Bump House we wish to try two arrangements for increasing the torsional stiffness of the axle. The first… | ||
| scan0275 | Request to the Pattern Shop for a wood ring for Bentley brake judder experiments. | ||
| View original record | To Mr. Walker. Pattern Shop. X206 Hs/Hdy.1/MJ.25.1.35. BENTLEY BRAKE JUDDER EXPTS. Will you please supply as soon as possible the wood ring shewn on the attached sketch, and oblige, Hs/F.J. Hardy. | ||
| scan0276 | Sales query on the design and application of new water excluders for Bentleys. | ||
| View original record | Hs/Rm. from Hy. Hy27/M.25.1.35. PIVOT CHANGEOVER FOR BENTLEYS. HS/Rm.5/KW.22.1.35. With regard to the new water excluders, Sales ask us if we will let them have a rough sketch indicating the sort of… | ||
| scan0277 | Fitting, necessity, and painting of a water excluder, with reference to an attached sketch. | ||
| View original record | x206 To Hy. from Hs/Rm. Hs/Rm.1/KW.28.1.35. Replying to Hy27/M.25.1.35. Here is a sketch of the water excluder as we fitted it. It will probably be less unsightly when finally designed. At the moment… | ||
| scan0278 | Complaints of water entering the front brake drums on a Bentley and the experimental fitting of a new water excluder. | ||
| View original record | x206 To Hg. ) WOR.) c. to E. c. to Hy. c. to Dm. c. to Hdy. c. to Bm. HE/Rs.2/KW.30.1.35. Complaints of Water Entering the Front Brake Drums - Bentley. Our latest water excluder, the evolution of… | ||
| scan0279 | Tests for excluding water from front brake drums. | ||
| View original record | x206 EXPERIMENTAL DEPARTMENT REPORT REFERENCE :- Hs/AFM.1/KW.30.1.35. Subject of Report :- Front Brake Drum Water Excluding Tests. General Conclusions :- That it is possible to make an excluder that… | ||
| scan0280 | Tests for devices designed to prevent water from entering front brake drums, which causes juddering. | ||
| View original record | DE/AFW.1/KW.30.1.35. Front Brake Drum Water Excluding Tests. When water gets into the brake drums, apart from the noticeable loss of braking especially at low speeds, application of the brakes will… | ||
| scan0281 | Various schemes and tests for preventing water from entering a brake drum. | ||
| View original record | -2- In the two diagrams above, on the right is shown the method of collecting water from the brake drum. The plate is drilled 1/4" dia. flush with the working surface of the brake drum. On the left is… | ||
| scan0282 | Test report on brake drum water excluders, recommending Type 7 for production. | ||
| View original record | -3- Scheme 7 has been tested on the road. Driving through water splashes that do not submerge the drum, even fast, did not cause judders. Driving through a water splash 30 yards long, the water coming… | ||
| scan0283 | Blueprint illustrating eight different schemes for excluders with a corresponding table of measurements. | ||
| View original record | STANDARD SCHEME DRAWING 1 SCHEME 2 SCHEME 3 SCHEME 4 SCHEME 5 SCHEME 6 SCHEME 7 SEE ALSO HS. 1708. SCHEME 8 TABLE: DRWG. N° | TYPE OF EXCLUDERS | FROM OUTSIDE | 0° | 45° | 90° | TOTAL 1 | STANDARD | |… | ||
| scan0284 | Simplifying the water excluding device for Bentley front brakes by making the outer revolving screen solid with the drum. | ||
| View original record | X206 To Br. from Da. c.c. for E. Hs. Tdy. RHO. Da.1/HP1.2.35. Bentley - Front Brakes - Water Excluding. On brakes not yet made it greatly simplifies the water excluding device if the outer revolving… | ||
| scan0285 | Complaints of water entering the front brake drums on Bentley cars and the fitting of new sets. | ||
| View original record | [Handwritten top:] Rm x206 [Typed:] Complaints of Water Entering the Front Brake Drums - Bentley. To Hs/Rm. from Sg. Copy to Wor.E EV. Da. Hdv. Bn. Thanks for Hs/Rm.2/KW.3.1.35. I am pleased to note… | ||
| scan0286 | Experimental department report concerning water excluders for a Bentley front axle. | ||
| View original record | X106 EXPERIMENTAL DEPARTMENT REPORT. REFERENCE :- Hs/AFM.6/KW.4.2.35. Subject of Report :- Water Excluders - Bentley Front Axle. General Conclusions :- Copies of Report Circulated to :- By. E. Copies… | ||
| scan0287 | Effectiveness of water excluders on the Bentley Front Axle following tests in muddy conditions. | ||
| View original record | To By ) E. ) c. to Mor. c. to Da. K206 HS/AFM.6/KW.4.2.35. Water Excluders - Bentley Front Axle. Since writing memo. Hs/AFM.1/KW.30.1.35 on the above head, we have subjected the recommended excluder… | ||
| scan0288 | Testing the latest type of water excluders on a customer's Bentley car experiencing brake issues. | ||
| View original record | To RHC. x206 Hs/Rm.11/KW.5.2.35. Latest Type Water Excluders. A Bentley car has just been delivered to the Repair Dept. belonging to Captain Dugdale. This owner is complaining bitterly of water… | ||
| scan0289 | Experimental department report on Bentley Brakes, suggesting remedies for fading. | ||
| View original record | x206 EXPERIMENTAL DEPARTMENT REPORT. REFERENCE :- Ha/Gry.18/KW.5.2.35. Subject of Report:- Bentley Brakes. General Conclusions :- Suggested remedies for fading. Copies of Report Circulated to :- Cg.… | ||
| scan0290 | Technical memorandum discussing issues with brake fading on the Bentley 2-B-IV model and proposed solutions. | ||
| View original record | Bentley Brakes. We have had complaints from Bn. on his car 2-B-IV and on a few customers' cars of sudden fading of the brakes after use on a twisty road. We recently had an opportunity of driving… | ||
| scan0291 | Objection to the lack of immediate servo brake assistance during shunting and the risk of fatal accidents at high speeds. | ||
| View original record | -2- Ha/Gry.16/KW.S. 2.35. One objection to the chain has been that if the customer does not adjust his brakes he will find that he will not get servo assistance until he has run several yards when he… | ||
| scan0292 | Intensive work on Bentley brakes, focusing on reducing high-speed jaggers and comparing 12' and 14' drum designs. | ||
| View original record | To E. From Hs/Rm. c. to Wor. c. to By. c. to Da. 2206 Hs/Rm.24/KW.5.2.35. Bentley Brakes. In the somewhat intensive work which we have recently been carrying out on Bentley brakes we have discovered… | ||
| scan0293 | Experimental department report on the design of 14' Bentley Brake Drums. | ||
| View original record | x206 EXPERIMENTAL DEPARTMENT REPORT. REFERENCE:- HB/AFM.25/KW.S.2.35. Subject of Report:- Design of 14" Bentley Brake Drums. General Conclusions :- That much deeper ribs are required on the inside of… | ||
| scan0294 | The design of 14-inch diameter Bentley front brake drums, aiming for minimum weight, maximum rigidity, and cooling area. | ||
| View original record | Hs/AFM.25/KW.5.2.35. Report on Design of 14" dia. Bentley Front Brake Drums, having minimum weight, and maximum rigidity and cooling area. It is proposed to make 14" dia. brake drums for Bentley front… | ||
| scan0295 | Technical analysis comparing the strength and deflection of different brake drum designs. | ||
| View original record | -2- This brings us to graph (5), which is obtained from graphs (1) and (2). This graph shows the deflection of the drum at all points in its cross section. It will be noticed that the curves do not… | ||
| scan0296 | Graph showing the static deflection of standard C Series brake drums under various loads. | ||
| View original record | STATIC DEFLECTION OF BRAKE DRUMS STANDARD DRUM (C SERIES) STANDARD SHOES DEFLECTION OF DRUM = 8 / (16 5/8) x CLOCK READINGS BELOW LENGTH OF LEVER = 18 7/8" MAX NORMAL LOAD = 56 LBS. LAST EXTERNAL… | ||
| scan0297 | Graph showing the outwards and inwards static deflection of brake drums against applied load. | ||
| View original record | [ "STATIC DEFLECTION OF BRAKE DRUMS", "5.8 IV DRUM - STANDARD SHOES", "DEFLECTION OF DRUM = (8.2 / 16.625) X CLOCK READINGS BELOW.", "LENGTH OF LEVER = 18.875"", "LAST EXTERNAL LEVER = 3.5"", "D C B",… | ||
| scan0298 | Graph showing the static deflection of 'C' Series brake drums, comparing performance with and without a hub plate. | ||
| View original record | 3 STATIC DEFLECTION OF BRAKE DRUMS C SERIES DRUM WITH AND WITHOUT HUB PLATE DEFLECTION OF DRUM = (8.125 / 16.625) X CLOCK READINGS BELOW LENGTH OF LEVER = 19.25" WITHOUT PLATE BRAKE SHOES 8 3/4" CHORD… | ||
| scan0299 | Graph showing the static deflection of a 5 B IV brake drum, comparing the effect of different brake shoes under varying loads. | ||
| View original record | STATIC DEFLECTION OF BRAKE DRUMS 5 B IV DRUM COMPARISON BETWEEN EFFECT OF DIFFERENT SHOES ① SHOES WITH CHORD OF 8¾" ② STANDARD SHOES DEFLECTION OF DRUM = (8.2 / 16.625) x CLOCK READINGS BELOW LENGTH… | ||
| scan0300 | Graph showing the static deflection of 5 B IV and 'C' Series brake drums under maximum normal brake load. | ||
| View original record | 5 STATIC DEFLECTION OF BRAKE DRUMS DEFLECTION OF 5 B IV x 'C' SERIES DRUMS UNDER MAXIMUM NORMAL BRAKE LOAD 'C' SERIES 5 B IV DEFLECTION OUTWARDS - THOUSANDTHS 30 20 10 0.5 1.0 1.5 2.0 2.5 INCHES 10 20… | ||
| scan0301 | Blueprint comparing two alternative design schemes for a dimensioned component. | ||
| View original record | SCHEME ① .300 .100 .100 .900 .150 .125 .080 .275 .250 For other dimensions see GB 1079 7'000" radius. SCHEME ② .300 .100 .100 .100 .600 .900 .450 .150 .120 .275 .250 For other dimensions see GB 1079… | ||
| scan0302 | Sudden disappearance of Bentley brakes and the urgent need for a modification. | ||
| View original record | Hs +206 To E. from Sg. Copy to Wop.Hs. re Bentley Brakes Sg6/Ell.2.35 Referring to Hs/Gry.16/KW.5.2.35-The matter dealt with appears to be one which requires attention at an early date as the sudden… | ||
| scan0303 | Modifications to Bentley Front Brakes, specifically regarding a water excluder to prevent water entry and oil leaks. | ||
| View original record | +20b R Martindale To BY. from Da. Da.2/HP.13.2.35. C.C. Hs. RHG. Bentley Front Brakes - Water Excluder. Referring to the question of stopping up the various holes in the brake drum and carrier, the… | ||
| scan0304 | Experiments on 14' brake drums to optimize rib placement for rigidity and weight. | ||
| View original record | To RHC. 406 Hs/Rm.15/KW.14.2.35. 14" Brake Drums. We carried out a lot of experiments to determine the best place for the ribs on a drum to get the maximum rigidity with the minimum weight. Our final… | ||
| scan0305 | The production and testing of Bentley front brake water excluders. | ||
| View original record | L rob To RHC. c. to Hs/Les. c. to Hs/APM. Hs/Rm.2/KW.15.2.35. Bentley Front Brake Water Excluders. Will you please note that N.Sch.4370 has been issued to prevent the water entering the brake drum by… | ||
| scan0306 | Scheme N.Sch.4370 for water excluders, requesting pieces for existing cars and a promise for 12 sets for the Trials cars. | ||
| View original record | To RHC. 4206 Hs/Rm.5/KW.23.2.35. Water Excluders. N.Sch.4370 has been issued, which clears up the last point on the water excluders; that is, the screening of the small hole beneath the brake… | ||
| scan0307 | Experiments detailing the characteristics of wet brake judders on a judder rig. | ||
| View original record | To Hs/Rm. c. to Hs/AFM. +106 HS/FJH.20/KW.25.2.35. Wet Brake Judder. The following is a report on the experiments carried out up to date on wet brake judders on the judder rig. The judder is a… | ||
| scan0308 | Analysis of brake judder under various conditions and a discussion of its probable causes. | ||
| View original record | -2- HS/FJH.20/KW.25.2.35. (7) In all cases the judder occurs just as readily with the brakes cold as when warm, but it is more consistent when the drum is thoroughly wet. If only a small amount of… | ||
| scan0309 | Analysis of the causes and characteristics of incipient and violent brake judder. | ||
| View original record | -3- Records of the incipient judder mentioned in paragraph 8 showed that in this case the forward velocity of the carrier plate at no time reached the velocity of the drum. Fig. 2 therefore fails to… | ||
| scan0310 | Analysis of experiments to understand and cure brake judder by modifying axle stiffness, inertia, and damping. | ||
| View original record | -4- The amount of energy that can be fed in to the violent judder per cycle is extremely large, and rules out any practical possibility of damping it. The amount fed into the incipient judder is… | ||
| scan0311 | Analysis of brake judder, discussing damping methods, flexibility, and the effects of wet and dry conditions. | ||
| View original record | -5- Hs/FJH.20/KW.25.2.35. In order to reduce the damping load required to control the incipient judder, it would be necessary to increase the torsional flexibility, and the best place to do this would… | ||
| scan0312 | Graph plotting brake torque against speed under various applied loads. | ||
| View original record | FIG. 1 BRAKE TORQUE 6 4 2 0 SPEED M.P.H 0 5 10 15 20 THE DOTTED LINES ARE ASSUMED AS JUDDERING OCCURRED ON THESE SECTIONS. 10 UNITS. 20 UNITS. 30 UNITS. 40 UNITS. LOAD APPLIED TO BRAKE LEVER. (THE… | ||
| scan0313 | Modifications and clearance issues for water excluders on a Bentley Bump Chassis. | ||
| View original record | To RHC. Ind Hs/AFM.5/KW.4.3.35. Water Excluders - Cover for Toggle Shaft oil Drain Hole. ------------------------- You have recently built up water excluding covers as above on the Bentley Bump… | ||
| scan0314 | Requesting the production of 14' diameter brake drums for a Bentley car. | ||
| View original record | To RHC. + 206 HS/AFM.10KW.6.3.35. 14" dia. Brake Drums for the Bentley. -------------------------------------- We wish to try a set of 14" dia. brake drums of light section on a Bentley car. Will you… | ||
| scan0315 | Modifications and improvements to water excluders for 12' Bentley brake drums. | ||
| View original record | x20b To By: Water Excluders. Since making the original conversion type of water excluder for 12" Bentley brake drums we have decided to increase both inside and outside clearance to .050", as we find… | ||
| scan0316 | Instruction to block up all holes in the brake drum plates of Bentley cars fitted with water excluders. | ||
| View original record | To By: trob Water Excluders. Will you please issue instructions to production to block up all holes in the brake drum plates of Bentley cars fitted with water excluders. This now includes the inner… | ||
| scan0317 | Responding to a query about brake judders, confirming no cases have occurred. | ||
| View original record | COPY. x206 Hd/SB. K/KC/DPB/28.2.35. Re Brake Judder. Many thanks for your Hd/SB.11/HR. 26.2.35. There has not been a single case of high speed judder at K. during the present quarter, neither has this… | ||
| scan0318 | Request to manufacture an equaliser lever from an attached sketch for a customer's car. | ||
| View original record | To FHC. + [scribble] no 6 HS/Rm.2/KW.11.3.35. Will you please make an equaliser lever to the attached sketch. Could you let us have it by Wednesday as we have a customer's car in the Works waiting to… | ||
| scan0319 | Calculations and proposals for brake lever ratios for the Girling System on a 3-B-IV model. | ||
| View original record | 4206 HE/APH.14/KW.11.3.35. Girling System for 3-B-IV. The present ratio of levers from foot pedal to one shoe is Front 17.5 Rear 20.5 Owing to the greater efficiency of Girling brakes it is estimated… | ||
| scan0320 | Recommendations for foot brake and hand brake connections. | ||
| View original record | -2- HB/AFM.14/KW.11.3.35. Recommendations for Foot Brake Connections. Rear. Pin foot brake equaliser shaft solid and remove output lever on o.s. of car. Connect up n.s. output lever as usual.… | ||
| scan0321 | Order for 30 ft. of inner and outer Bowden cable. | ||
| View original record | To Roy/Ms. tro6 Hs/Les.4/KW.12.3.35. Will you please order 30 ft. of inner and outer Bowden Cable. Diameter of inner cable - .062". Hs/Les. | ||
| scan0322 | Letter to The Bowden Brake Co. Ltd. concerning the efficiency of their supplied cables. | ||
| View original record | 4206 Exptl: Dept: Hs/Gry.18/KW. 13th March, 1935. The Bowden Brake Co.Ltd., Victoria Road, Willesden Junction, London, N.W.10. For the attention of Mr. Smytheman. Dear Sirs, We send you herewith… | ||
| scan0323 | Requesting the fitting of two Girling axles and brakes to model 3-B-IV. | ||
| View original record | To RHC. +206 Hs/AFM.2/KW.14.3.35. Girling Brakes for 3-B-IV. Will you please fit the two Girling axles to 3-B-IV and connect up as per Hs.1836/7 attached hereto. Hs/A.F.Martindale. | ||
| scan0324 | Requesting the manufacture of a pair of water excluders for testing purposes on a car. | ||
| View original record | To RHC. +rob Hs/AFM.11/KW.15.3.35. Water Excluders. Will you please make one pair of the toggle shaft oil drain hole screens built integral with the toggle actuating shaft bearing detailed on… | ||
| scan0325 | Request for a jig for Water Excluders to be made from drawing Ex.17938 for testing purposes. | ||
| View original record | To RHC. +208 Hs/AFM.16/KW.15.3.35. Jig for Water Excluders. Will you please have one jig made to Drawing No. Ex.17938 as soon as possible, so that we can test its usefulness. Hs/A.F.Martindale. | ||
| scan0326 | Development and fitting of water excluders to address brake judder and inefficiency complaints. | ||
| View original record | +706 HE/AFM.7/KW.18.5.35. To Mr. Hives. C. to Mr. C. to Mr. To Hd. (FOR DEPOT STREET). WATER EXCLUDERS. We have received numerous complaints from customers about low speed wet brake judders, also low… | ||
| scan0327 | Notes on the assembly and fitting of brake drum components, including flanges, excluders and seals. | ||
| View original record | -2- HS/APM.7/KM.18.3.35. The rotating flange can then be placed on the drum, and the latter drilled with the flange in position. Care will have to be exercised during this operation, as this flange is… | ||
| scan0328 | Gap in the water excluders that allows water to enter a drum, requesting the gap be closed. | ||
| View original record | 4206 To Da. c. to By: HS/APM.7/KW.19.3.35. Water Excluders. With reference to the discontinuation of the screen to avoid the steering arm, we find that if there is any gap here, however small, it is… | ||
| scan0329 | Request to make three sets of water excluders for the rear drums of a Bentley car. | ||
| View original record | To RHC. +20p Hs/AFM.1/KW. 20.3.35. Water Excluders. Will you please make three sets of water excluders for the rear drums of a Bentley, as per sketch Hs.1844. When 1-B-IV comes into the shop will you… | ||
| scan0330 | Instructions for modifying the rear footbrake of a Bentley 1-B-IV to measure brake drum temperature. | ||
| View original record | To RHC. +206 Hs/AFM.2/KW.20.3.35. Bentley 1-B-IV. We want to make some brake drum temperature measurements on this car, and for this purpose we require it to be fitted with steel shoes. Will you… | ||
| scan0331 | Request to issue a scheme for future 12' Bentley brake drums incorporating water excluders. | ||
| View original record | To Da. X20b Hs/AFM.15/KW.30.3.35. Water Excluders. We would be very glad if you would issue a scheme for future 12" Bentley brake drums incorporating all the latest ideas on the subject. It may be… | ||
| scan0332 | Design specifications for Water Excluders. | ||
| View original record | To Da. ~rob HS/AFM.14/KW.30.3.35. Water Excluders. Will you please note for future reference :- That there is no need for a flange to be formed in that portion of the excluder that is supported on… | ||
| scan0333 | Layout and development of Girling Brakes on model 3-B-IV. | ||
| View original record | To E. from Hs/Rm. c. to Wor. c. to By. <206 Hs/Rm.17/KW.30.3.35. Girling Brakes. Herewith is the layout we are at present using in conjunction with the Girling brakes on 3-B-IV. We are carrying out… | ||
| scan0334 | Schematic for the adaption of a Bentley 3B IV to Girling brakes on the rear axle. | ||
| View original record | HS/1836. EXISTING PEDAL & SERVO MECHANISM REMAIN UNALTERED. NEW EXISTING ROD CUT DOWN TO SUIT NEW FORK. DIFFERENTIAL TO BE PINNED SOLID. EXISTING LEVERS & TIE ROD. THIS FORK & PIN TO BE A SLOPPY FIT.… | ||
| scan0335 | Scheme for the adaption of Bentley 3 B IV to Girling brakes on the front axle. | ||
| View original record | HS. 1837 SERVO ARM. 6.5" 1.75" TO BRAKE NS. 2.1" THE ONLY ALTERATION DEMANDED BY THIS SCHEME IS THE RE-DRILLING OF 2.6" CCS. LEVER TO 2.1" CENTRES. BRAKE ROPES MADE TO SUIT AFTER FITTING AXLE. 2.7"… | ||
| scan0336 | Fitting anti-squeak weights to Bentley brake shoes to resolve a squealing issue. | ||
| View original record | To RHC. X206 Hs/AFM. 24/KW. 8.4.35. Anti-Squeak Weights on Bentley Brake Shoes. We have trouble on Fedden's car fitted with cycle type wings, as the brakes squeal. We find we can reduce this squeal by… | ||
| scan0337 | New sketches and modifications to Light Section 14' Brake Drums. | ||
| View original record | L+ok To RHC. HS/AFM.5/KW. 8.4.35. Light Section 14" Brake Drums. We have made two new sketches of the above as you requested, and attach copies hereto. We have decreased the spigot dia. limits at the… | ||
| scan0338 | To G.W. Hancock regarding water excluders for Bentley rear brakes. | ||
| View original record | X 206 G.W. Hancock Esq., Hotel de France, Chateauroux, Indre, France. Hs/Rm.5/KW.9.4.35. Water Excluders - Bentley Rear Brakes. Attached is a note from Martindale. We should like you to block up the… | ||
| scan0339 | Results of tests on water excluders for Bentley rear brakes. | ||
| View original record | HS/AFM.6/KW.9.4.35. Water Excluders - Bentley Rear Brakes. As the result of tests it seems likely that practically all complaints about rear brake inefficiency due to water would be obviated if the… | ||
| scan0340 | Requesting a set of brake shoes with anti-squeak dampers for Fedden's car. | ||
| View original record | To RHC. Y206 Hs/Rm.12/KW.10.4.35. Anti-Squeak Damping Pieces on Brake Shoes. We have heard from Fedden that he is letting us have his car immediately after Easter. Will you therefore please have a set… | ||
| scan0341 | Letter to Messrs. Desmo Ltd. postponing further tests on supplied Brake Adjuster Covers. | ||
| View original record | X2065 Exptl. Dept. Hs/Bwg.3/KW. 11th April, 1935. Messrs. Desmo Ltd., Desmo House, Stafford Street, Birmingham. For attention of Mr. W. Pease. Dear Sirs, Brake Adjuster Covers. With reference to the… | ||
| scan0342 | Letter from Desmo Limited regarding the topic of Brake Adjuster Covers being put in abeyance. | ||
| View original record | x206 Directors: R. G. RICHARDS. T. E. SELLERS. B. H. WYATT. DESMO LIMITED "Desmo House" STAFFORD STREET, BIRMINGHAM, 4. LONDON DEPOT: 220, SHAFTESBURY AVENUE, W.C.2 Telephone: CENTRAL 6547 (5 Lines)… | ||
| scan0343 | Requesting a set of needle and ball bearings to test and improve the Bentley brake system. | ||
| View original record | To RHC. X-206 Hs/Gry.1/KW.13.4.35. Bentley Brakes. We are still anxious to improve the mechanical efficiency of the Bentley brake system and know that the final toggle actuation is only about 70%… | ||
| scan0344 | The payment for a Desmo invoice for tools related to Bentley Brake Covers. | ||
| View original record | To Roy. X206 Hs/Rm.11/KW.15.4.35. With reference to the Desmo invoice for tools for the Bentley Brake Covers. Under our agreement with them the work has been carried out and so we shall have to pay… | ||
| scan0345 | Standardisation of parts for water excluders to prevent brake inefficiency. | ||
| View original record | COMPLETED 1.5.35. RR 755B (SH) (69654. 19-9-34) BM 3/1532/5 BENTLEY STANDARDISATION of PARTS. Date 13-4-35 X No. 206. Drawing No. N.Sch. Part List 4363. Description of Parts. WATER EXCLUDERS. Origin.… | ||
| scan0346 | Estimated cost of extra jigs, tools and equipment for a modification to fit water excluders to A, B & C series chassis. | ||
| View original record | Est. cost of extra jigs, tools and equipment (Sft/Ws. 22.3.35) £173.0.0. CERTIFIED Tool cost included in std. sheet X.no.206 water excluders "A", "B" & "C" SERIES. If this modification is fitted… | ||
| scan0347 | Modifications to the water excluder for a Bentley front axle. | ||
| View original record | CARY. x206 To EY from Da. Da.1/HP.1.5.35. c.c. F. Hs. RHC Hdv. Water Excluder - Bentley Front Axle. On N. Sch.4476, herewith, we have combined the various modifications to the water excluder for the… | ||
| scan0348 | Depot sheet regarding an increase in front shock damper loads and the necessary chassis modifications for 'B' series cars. | ||
| View original record | To Hd. Hs/Les.17/KW.24.5.35. Re Depot Sheet No.269. This Depot Sheet, dealing with tramping complaints, increases the front shock damper loads from 70 lbs. to 105 lbs. However, as we experienced… | ||
| scan0349 | Request to manufacture and weld 16 steel vanes to a Bentley rear brake drum for cooling purposes. | ||
| View original record | To NIC. +206 Hs/AFM.10/KW.7.6.35. Cooling of Bentley Rear Brake Drums. Will you please make 16 vanes in 16 gauge sheet steel similar to the aluminium sample herewith, and weld these to a Bentley near… | ||
| scan0350 | Request for brake levers for Bentley model 1-B-IV for servo experiments. | ||
| View original record | To RHC, x206 HS/Gry.10/KW.19.6.35. Bentley Brakes. Will you please put in hand some brake levers as follows, which we require for 1-B-IV in connection with our experiments to prevent the servo… | ||
| scan0351 | Secret memorandum discussing the brake leverages for the Spectre model, referencing diagram N.Sch.4545. | ||
| View original record | K206 To BY. from Da. SECRET. Da.2/HP.24.6.35. c. Wor. E. Hs. Hdy. RHC. Spectre - Brake Leverages. Herewith is N. Sch.4545, diagram of brake leverages with the tangent screw adjustment, semi-servo… | ||
| scan0352 | Improving brake toggle shaft efficiency by fitting needle roller bearings. | ||
| View original record | X206 EXPERIMENTAL DEPARTMENT REPORT. REFERENCE :- Hs/APM.15/KW.10.7.35. Subject of Report:- Improved efficiency of Brake Toggle Shaft fitted with needle roller bearings. General Conclusions :- That by… | ||
| scan0353 | Brake system improvements by fitting needle roller bearings to the brake toggle shaft to reduce brake fade. | ||
| View original record | +rol To H. c. to Wor. c. to Da. c. to By. Improved Efficiency of Brake Toggle Shaft fitted with Needle Roller Bearings. A serious defect in our brake systems is the considerable reduction of braking… | ||
| scan0354 | Graph comparing the efficiencies of different brake toggle shaft and cam systems under varying loads. | ||
| View original record | PERCENTAGE EFFICIENCY GIRLING CAMS NEEDLE ROLLER BEARINGS TOGGLE SHAFT PLAIN BEARING TOGGLE SHAFT LBS. LOAD ON LAST EXTERNAL 3.5" CENTRES LEVER COMPARISON OF EFFICIENCIES OF: BENTLEY TOGGLE SHAFT WITH… | ||
| scan0355 | Cooling issues with Bentley rear brakes and requesting the manufacture of a new composite brake drum. | ||
| View original record | To EHC. x106 Hs/AFM.3/KW.18.7.35. Composite Bentley Brake Drum with Helical Ribs. We are having trouble with Bentley rear brakes, as there is at present insufficient cooling. The drum with sheet metal… | ||
| scan0356 | Modification to Bentley front brake drums to integrate water excluders. | ||
| View original record | To E. c. to Wor. c. to Da. c. to Sft. K206 Hs/Gry.5/KW.19.8.35. We understand that considerable trouble is being experienced over the difficulty of fitting water excluders to Bentley front brake… | ||
| scan0357 | Scheme for utilising spare end plates for 14 inch light section Bentley drums. | ||
| View original record | X206 To RHC. Hs/APM.1/KW. 29.8.35. End Plates for 14" Light Section Bentley Drums. In view of the difficulty and expense of making the above, a scheme is attached hereto for utilising the spare end… | ||
| scan0358 | The supply of 14' brake drums and a modified steering lever. | ||
| View original record | To RHC. x206 Hs/Rm.9/KW.20.9.35. Herewith Hs.2144/5. These are the 14" brake drums for 6-B-IV, and necessitate the modified steering lever about which we spoke to you. These drums are the result of a… | ||
| scan0359 | Correcting a design mistake regarding venting holes on brake drums for car 6-B-IV. | ||
| View original record | To HHC. X 202 Hs/AFM.12/KW. 23.9.35. Brake Drums for 6-B-IV. The drums and end plates for 6-B-IV have been detailed by the designers as having venting holes. This is a mistake. Will you please see… | ||
| scan0360 | New drawing for a Bentley Brake Drum with Helical Ribs. | ||
| View original record | To RHC. X206 Hs/AFM.12/KW. 26.9.35. Bentley Brake Drum with Helical Ribs. We have made another drawing of a brake drums with helical ribs by your request, and have taken the opportunity to make one or… | ||
| scan0361 | Revisions to Bentley rear brakes, specifically the brake drum and steel hand brake shoe. | ||
| View original record | X97b BY. c.c. Mr. Hs. Hdv. RWC. Da.l/HP.7.10.35. Bentley Rear Brakes. N.Sch.4642 shows the revised brake drum stiffened and with extra cooling ribs adapted for the 14½ brakes. Also a steel hand brake… | ||
| scan0362 | Instructions for manufacturing a pair of Bentley rear composite brake drums in two different ways. | ||
| View original record | To RHC. +206 HS/APM.4/KW.17.10.35. Bentley Rear Composite Brake Drums. Herewith is a sketch, Hs.2205, of a composite brake drum. We would like you to make a pair of drums to this drawing in two… | ||
| scan0363 | The manufacturing specifications for two types of experimental Bentley rear composite brake drums. | ||
| View original record | To RHC. x206 HS/AFM.20/KW.21.10.35. Bentley Rear Composite Drum. We are wanting to try a number of composite drums, made in various ways. The chief differences will be in materials used for liners,… | ||
| scan0364 | Requesting a pair of Bentley hubs and specifying N.M.C. steel for liners. | ||
| View original record | -2- Hs/AFM.20/KW.21.10.35. We will need a pair of Bentley hubs specially drilling for 12 No. 1/4" special taper bolts. Both the liners are to be in N.M.C. steel and have been instructed by Mr.… | ||
| scan0365 | Request for the manufacture of two Bentley aluminium composite brake drums with specific liners and fittings. | ||
| View original record | To RHC. X206 Hs/AFM.12/KW.5.11.35. Bentley Aluminium Composite Brake Drums. Will you please make up two more of these drums fitted with the British Piston Ring Company's liners. One liner should have… | ||
| scan0366 | Order for undrilled Bentley rear footbrake linings from Ferodo's. | ||
| View original record | To Roy. X206 Hs/AFM.19/KW.11.11.35. Brake Linings for Aluminium Composite Drums - Bentley. Will you please order from Ferodo's the following pieces of Bentley rear footbrake linings. Apart from the… | ||
| scan0367 | 'Perfect' oil seal for a Bentley & 20/25 brake countershaft. | ||
| View original record | x 202 R Martindale EY. c. E.Hs. Da. RHC. HDY.2/HP.22.11.35. Oil Seal for Brake Countershaft Bentley & 20/25. M.Sch.4697 which we send herewith shows a Perfect oil seal applied to this shaft to… | ||
| scan0368 | Rivet failures on Phantom III & Bentley steel brake shoes and the proposed solution. | ||
| View original record | x206 To By. Hs/AFM.29/KW.11.12.35. Rivets for Ph.III & Bentley Steel Brake Shoes. We have had two cases of partial rivet failure on the rear footbrake shoes of Ph.III cars. We regard this as very… | ||
| scan0369 | Issues with steel brake shoes and the experimental use of a new zinc-bonded material. | ||
| View original record | To By. Krob Hs/AFM.5/KW.12.12.35. Steel Brake Shoes. As we explained in our memo. Hs/AFM.17/KW. 21.11.35, we have had trouble on Ph.III due to unequal expansion of shoes and drum. We can reduce this… | ||
| scan0370 | Examination and planned testing of unfinished Bentley Brake Drums. | ||
| View original record | X20b To RHC. Hs/APM.13/KW.17.12.35. Bentley Brake Drums. In reply to RHC/WSC.3/EP.12.12.35, we have examined these drums and we noticed that they are not quite finished. When they are ready, the first… | ||
| scan0371 | Production, materials, and fitting of Bentley Steel Brake Shoes. | ||
| View original record | +206 To RHC. Hs/AFM.6/KW.18.12.35. Bentley Steel Brake Shoes. We understand that you have made 3 sets of 12" steel brake shoes to GB.1996 and GB.1997, the front and rear shoes being similar. Will you… | ||
| scan0372 | Manufacturing progress and challenges of Bentley composite brake drums. | ||
| View original record | To RHC. xob Hs/AFM.18/KN.30.12.35. Bentley Composite Brake Drums. We have noted the progress of these drums in the shop, and from the work already done we have learnt the following - (1) That these… | ||