Rolls-Royce Archives
| Identifier | Entry | ||
| scan0001 | Summary of design work completed and in hand for the Bentley III chassis. | ||
| View original record | GRY 200a. 400 Sg. and Hs. c.c. Ev.Rm. IWC. E/Lid.S/HP.20.11.36. Bentley III Chassis. We attach herewith a list of the design work completed on the Bentley chassis during the last month, and also… | ||
| scan0002 | Design position report detailing the status of various modifications and schemes for the Bentley Chassis. | ||
| View original record | ITEM DESIGN POSITION. BENTLEY CHASSIS. Improved oil suction strainer. Completed 26.10.36. Schemes to modify rear wheel drivers. Completed. Improved front stabilising bumper, improved fixing for… | ||
| scan0003 | Design status report listing various vehicle component modifications and their completion status. | ||
| View original record | (2) ITEM DESIGN POSITION: Chromium plated tail pipe extension. Completed 19.11.36. Petrol pump switch. " 7.11.36. Alternative scheme for clutch ventilation.10.A.6type clutch. " 20.11.36. Induction… | ||
| scan0004 | Review of the Bentley III's development, covering changes in chassis, engine, and performance compared to earlier models. | ||
| View original record | γ 300gh 400 Sg. Hs. c. to E. c. to By. Rm2/R.23.11.36. BENTLEY III. Originally it was decided to try this car in two chassis lengths. At the last Conference this decision was altered, and it is now… | ||
| scan0005 | Trade-offs between increased weight, body space, and performance in Bentley models. | ||
| View original record | -2- still have in the Experimental Department, the trials cars of to-day handle like lorries. W.O. Bentley entirely agreed with this view though the weight has gone up still more since he left the… | ||
| scan0006 | 1938 Motor Show model, independent suspension, and the potential market impact of the Bentley III. | ||
| View original record | -3- This means that we shall go to the 1938 Motor Show with a new model in our high performance class which will have acceleration equal only to the original 1934 3½-litre trials cars. We have hopes… | ||
| scan0007 | Diagrams showing the relative weight increases of Bentley chassis and bodies between 1933 and 1936. | ||
| View original record | DIAGRAMS SHOWING RELATIVE WEIGHT INCREASES OF BENTLEY CHASSIS & BODIES (NOTE - LETTERS REFER TO SERIES) TOP LEFT CHART: TITLE: STANDARD CAR BODIES TOP RIGHT CHART: TITLE: EXPERIMENTAL CAR BODIES… | ||
| scan0008 | Weight summary of Bentley Standard Saloon bodies fitted to Trials Cars from 1934-1936. | ||
| View original record | Bentley Coachwork. Standard Saloon bodies fitted to Trials Cars. 1934 Typical Hooper Saloon. Chassis No. B.134-AH. Cwts. Qrs. Lbs. Total weight......... 31 0 6 Body................. 7 2 9 B.115.AE.… | ||
| scan0009 | Weight schedule for standard saloon bodies fitted to experimental cars from 1934-1936. | ||
| View original record | 23.11.36. Weight of standard type Saloon bodies fitted to Experimental Cars. Weights include everything fitted by the coachbuilder except Lamps, Wipers, Tools, Horns and any other accessory. 1934.… | ||
| scan0010 | Weight of the Bentley III car, aiming to avoid increases and exploring options for weight reduction. | ||
| View original record | SECRET 200 (crossed out) 400 S/W To Rm. from Sg. Bentley III Sg10/E25.11.36 Copy to Hs.E.P.Y. Referring to Rm2/R23.11.36 I discussed this matter with Hs. yesterday and understand he has already spoken… | ||
| scan0011 | Experimental testing of Bentley bearings, covering both test bench and road tests. | ||
| View original record | Sg. from Rm/Swdl. Hs. c. to E. By. Da. c. to Mx. Ag. D&C. c. to Hl. Sr. Cent. BENTLEY BEARING Running covered by this report is Test Bench (1250 hrs big end bearings. (1250 hrs main " Road Tests.… | ||
| scan0012 | The testing, standardisation, and failure analysis of A.O.7 aluminium tin alloy bearings for the 4 1/4 Litre Bentley engine. | ||
| View original record | -2- (1) Based upon the low average life of W/M. bearings, Hall's Aluminium tin alloy known as A.O.7. was first tried in the form of lining and run on to steel shells similar to W/M. The failure in… | ||
| scan0013 | Endurance testing to reproduce and resolve big end seizure failures by modifying the lubrication system. | ||
| View original record | 431 In order to try and reproduce these failures it was decided to run endurance under the previous speed conditions but at ¼ load, to represent the throttle being closed after running at… | ||
| scan0014 | The performance and failure modes of different big end bearing materials and designs. | ||
| View original record | -4- The effect of increasing the groove area on the intermediate main bearings is to improve the supply to Nos.2 and 5 big end bearings which are the worst off in this respect and in the majority of… | ||
| scan0015 | The comparison of bearing materials, test bed seizures, clearances, and issues with main bearings. | ||
| View original record | -5- Rm/Swd1.12/AP.15.12.36. In comparison with A.C.1. in which we have had several 1/4 load failures, RR.56. appears to be the better material as a big end, so far as our tests have gone. If the two… | ||
| scan0016 | The performance tests of various alternative engine bearings. | ||
| View original record | -6- Rm/Swd1.12/AP.16.12.36. Alternate to the standard A.C.7. two tests have been run with Hoyt's Whitemetal on steel backed shells. The first of these, Eleven H., apart from the normal W/M. analysis… | ||
| scan0017 | Analysis of whitemetal compositions, issues with shims, and a report on crankshaft wear. | ||
| View original record | -7- The efforts on RR.56. are shewn on Photographs 2 & 9. A further metal which is run on to steel shells and used by G.M.C. in America is known as 14 and 14.B. is to be tried having a lead base. The… | ||
| scan0018 | Analysis of crankshaft journal wear, oil feed theories, and material test results, concluding with a recommendation for RR.56 solid shims. | ||
| View original record | -8- Rm/Swdl.12/AP.15.12.36. No.3 & 5 are drilled midway between Nos. 2 & 3 and 4 & 5 throws. No.4. is in line with No. 3 & 4 throws. From this it will be seen that if the wear were due to the driving… | ||
| scan0019 | Improved lubrication, main bearing experiments, and the results of an external filter test. | ||
| View original record | -9- Rm/Swdl.12/AP.15.12.36. Improved lubrication ensures a better supply andless risk of big end failure through lack of oil. The results of the experiments on main bearings is not complete and… | ||
| scan0020 | Bar chart comparing the endurance in hours of various connecting rod bearings. | ||
| View original record | BV.100 TOTAL RUNNING TIME WITH VARIOUS CONNECTING ROD BEARINGS ON ENDURANCE HOURS RUN 100 200 300 400 500 600 700 800 WHITE - METAL 237 HRS. R.R. LEAD-BRONZE 192 HRS. STRIPS HALL'S METAL HALL'S METAL… | ||
| scan0021 | Bar chart showing the total running time and endurance of various main bearings. | ||
| View original record | BV101 HOURS RUN 100 200 300 400 500 600 700 800 TOTAL RUNNING TIME WITH VARIOUS MAIN BEARINGS ON ENDURANCE. WHITE-METAL 501 HRS. R.R. LEAD-BRONZE 147 HRS. HALL'S METAL HALL'S METAL ON STEEL SHELLS… | ||
| scan0022 | Photographic record showing the condition of No.2 and No.5 big end bearings after a test run. | ||
| View original record | B.17. No.2 BIG END BEARING A.C.2 Alloy No.5 BIG END BEARING A.C.4 Alloy RUNNING TIME:- 24 Hrs.30 mins.light 1 Hr. 30 mins.full load 2 Hrs. 5 mins.1/4 load 4000-45000 R.P.M. OTHERWISE STANDARD ENGINE. | ||
| scan0023 | Photograph comparing B.17 Rear Main and No.4 Big End bearings after test runs. | ||
| View original record | B.17 REAR MAIN BEARING - R.R.56 Alloy No.4. BIG END BEARING - A.C2 Alloy. RUNNING TIME:- 20 Hrs. light running 1 Hr.30 mins full load 2000-4000 R.P.M. 5 mins. ¼ load at 4000 R.P.M. | ||
| scan0024 | Photograph showing the results of an endurance test on B.17 unit bearings and liners, highlighting specific failures. | ||
| View original record | B.17 UNIT. AC 4 bearings and W/M faced liners. O.K. after 10 hrs. full throttle endurance. No.3 big end failed after further 3 hrs. at the same speed of endurance but at 1/4 power. Nos.2 & 5 bearings… | ||
| scan0025 | Photograph of B.17 unit big end bearings after a test run. | ||
| View original record | ④ B.17 UNIT. BIG END BEARINGS. Nos 1 & 3 AC 4 and No.6 AC2 RUN 10 Hrs Full throttle 17 hrs ¼ load Nos. 2 & 5 AC2 RUN 15 Hrs. ¼ load. No.4 AC2 17 Hours ¼ Load. | ||
| scan0026 | Photographic record of B.19 big end bearings and shims after a test, showing a failure in bearing No. 3. | ||
| View original record | 5 UPPER HALVES <-- 1 to 6 --> B.19 BEARINGS. BIG END BEARINGS & SHIMS AC 1. WITH EXCEPTION OF NO.2. HAVE RUN SAME TIME AS MAIN BEARINGS. NO.2 HAS RUN 6 HOURS AT 1/4 LOAD. NO.3 BEARING FAILURE OCCURED… | ||
| scan0027 | Photograph of B.3. Unit Big End Bearings and Liners after a running test. | ||
| View original record | UPPER HALVES ← 1 TO 6 → 6 B.3. UNIT. BIG END BEARINGS - R.R. 56 Alloy RUNNING TIME :- Light - 11 hours 30 mins. Full Load - 10 hours ¼ Load - 10 hours BIG END BEARING LINERS. - R.R.56 Alloy RUNNING… | ||
| scan0028 | Photograph showing Hoyt's metal main bearings after an 11-hour full throttle endurance test. | ||
| View original record | B.17 UNIT. HOYT'S METAL MAIN BEARINGS AFTER 11 HOURS FULL THROTTLE ENDURANCE AS FOLLOWS FOR EACH HOUR :- 30 MINS at 4,000 R.P.M. 25 MINS at 4,250 R.P.M. 5 MINS at 4,500 R.P.M. SHIMS RR.56 UPPER HALVES… | ||
| scan0029 | Photograph of B.17 unit main bearings and shims after a 22-hour full throttle endurance test. | ||
| View original record | UPPER HALVES <-- 1 TO 7 --> ⑧ B.17 UNIT MAIN BEARINGS HOYTS Z3 ALLOY MAIN BEARINGS AFTER 22 HRS. FULL THROTTLE ENDURANCE, EACH HOUR RUN AS FOLLOWS :- 30 Mins. at 4,000 R.P.M. 25 Mins. at 4,250 R.P.M.… | ||
| scan0030 | Photograph showing B3 Unit RR.56 main bearings with modified intermediate grooves after a test run which resulted in seizing. | ||
| View original record | B3 UNIT. RR.56 MAIN BEARINGS (MODIFIED INTERMEDIATE GROOVES) AFTER RUNNING IN PERIOD. 1/4 HOUR AT 4,000 R.P.M. FULL THROTTLE. 1/2 HOUR AT 4,250 R.P.M. FULL THROTTLE. 2 MINS. AT 4,500 R.P.M. FULL… | ||
| scan0031 | Photograph showing the upper and lower halves of seven main bearings laid out for inspection. | ||
| View original record | 10 UPPER HALVES <- 1 TO 7 -> B. 22 UNIT (15,000 miles) CHASSIS 6.B.IV. MAIN BEARINGS A C 7 ALLOY, MILEAGE - 11,798 miles. Cap | ||
| scan0032 | Bentley (28 B.H. Unit Trials Car) bearings which are standard Hall's AC7 metal, after 22,000 miles running. | ||
| View original record | (BENTLEY) (28 B.H. UNIT TRIALS CAR) BEARINGS WHICH ARE STANDARD HALL'S AC7 METAL AFTER 22,000 MILES RUNNING. NO.2. BIG END BEARINGS IN POOR CONDITION PRESUMED TO BE BREAKING OFF OF LINER FACING. 11 | ||
| scan0033 | Photograph of big end bearings from a B22 engine after a 15,000-mile test, showing a failure in bearing number 6. | ||
| View original record | UPPER HALVES ← 1 TO 6 → 12 BIG END BEARINGS OUT OF B22 in 6 BIV. 15,000 MILES TEST IN FRANCE. STANDARD HALL'S METAL AC7 WITH STEEL LINER: AND AC7 FACINGS. No.6 BIG END FAILURE. 7,500 MILES ON FRENCH… | ||
| scan0034 | Photograph showing the condition of used C.15 (25/30) unit main bearings after testing. | ||
| View original record | UPPER HALVES 13 <- 1 TO 7 -> C.15 (25/30) UNIT MAIN BEARINGS STANDARD WHITE METAL.HAVE DONE SAME BED RUNNING AS BIG ENDS. NO ROAD RUNNING. | ||
| scan0035 | Photograph showing a set of big end bearings and caps after a test run. | ||
| View original record | 14 C.15 (25/30) UNIT. BIG END BEARINGS. STANDARD AC7 METAL. HAVE RUN 12,400 MILES IN 21 GIV AND 143 HOURS ON TEST BED, 83 HOURS OF WHICH AT 4,000 R.P.M. FOR OIL CONSUMPTION. ← 1 TO 6 → Stamped on… | ||
| scan0036 | Confirming an agreement to proceed with the production of three Bentley III's. | ||
| View original record | X 200b SECRET. HPS. from Rm. 400 Rm6/R.21.1.37. BENTLEY III. Confirming our conversation, it was agreed at the Conference yesterday that we should go ahead and produce 3 Bentley III's. Rm. | ||
| scan0037 | Agreeing chassis lengths for the first three Bentley III cars and discussing frame details. | ||
| View original record | γ SECRET 300L 200B HPS. from Rm. 400 Rm26/R.25.1.37. BENTLEY III. Will you please note that it has been agreed that the first two Bentleys shall be long chassis, and the third a short chassis. We have… | ||
| scan0038 | Design progress and modifications to the Bentley chassis frame. | ||
| View original record | GRX 200l 400 Sg. and Hs. c. Rm. By. RHC. HPS. E/Lid.1/HP.25.1.37. Bentley Chassis. We attach herewith a list of the Design work completed on the Bentley chassis during the last month, and also… | ||
| scan0039 | Design position report for the Bentley III chassis, listing various components and their completion status. | ||
| View original record | ITEM. BENTLEY III CHASSIS. DESIGN POSITION. Arrangement of front end of chassis with torsion bar front suspension. Completed 11.1.37. Flexible front engine mounting. Put aside. Rear brake linkage… | ||
| scan0040 | Design position report for Bentley III and 4 1/2 Litre chassis modifications. | ||
| View original record | ITEM. (sheet 2) DESIGN POSITION. BENTLEY III CHASSIS. Mods. to box section frame. In hand. Radiator and Shutters. In hand. Layout of rear end of chassis. In hand. Full scale chassis arrangement. In… | ||
| scan0041 | Chassis length and exhaust system details for the Bentley III. | ||
| View original record | SECRET. 209B HPS. from Rm. Rm26/R.25.1.37. BENTLEY III. Will you please note that it has been agreed that the first two Bentleys built shall be a long chassis, and the third a short chassis. We have… | ||
| scan0042 | Secret memo requesting to process details for the Short Chassis Bentley III. | ||
| View original record | SECRET. 400 200B By. from Rm. Rm27/R.26.1.37. SHORT CHASSIS BENTLEY III. Will you please arrange to put details through for the short Bentley chassis in parallel with details for the long chassis. Rm. | ||
| scan0043 | Modification to the top pivot cover for a Bentley III. | ||
| View original record | SECRET. To BY. Copy to DA. Rm. RHC. HDE. Rm/Les. E/Ev.3/MN.1.2.37. 200B 400 Bentley III - Modification to top Pivot Cover. We send herewith N.Sch.5020 showing a modification to the bolting of the top… | ||
| scan0044 | Proposed specification document for the Bentley III model. | ||
| View original record | SECRET. Er. and Hs. c. Da. Ev. RHC. Rm/Gry. Mr. HP. Bentley III. We give herewith a proposed specification for Bentley III arrived at as the result of a discussion between Da. Rm/Gry. and E/Lid.… | ||
| scan0045 | List of vehicle components and their specifications, often in comparison to the Wraith III model. | ||
| View original record | (sheet 2) UNDERSHEETS. To suit engine and new frame. FLYWHEEL AND CLUTCH. Wraith III parts. GEARBOX. As Wraith III but with over-drive - new casting may be required, in which case the new casting can… | ||
| scan0046 | List of proposed modifications and specifications for various vehicle components. | ||
| View original record | (sheet 3) FRAME AND FITTINGS. At present box section frame with cross, will need modifications as indicated as the result of the present development work on Wraith, with reference to resonance etc.… | ||
| scan0047 | Specification sheet for various vehicle components, referencing parts from Wraith III and Bentley models. | ||
| View original record | (sheet 4) if development finished in time. FRONT SHOCK DAMPER. Wraith III parts. GOVERNOR CONTROL TO DAMPER. Wraith III parts. PRESSURE PIPING TO DAMPER CONTROL. To suit new frame. INSTRUMENT BOARD.… | ||
| scan0048 | Specification document detailing modifications for the Bentley III chassis. | ||
| View original record | SECRET. Sg. and Hs. c.c. Da. Ev. RHC. Rm/Cry. Mr. HPS. Bentley III - Specification. The specification for Bentley III chassis given in E/Lid.1/HP.9.4.37 was discussed at the Interim chassis conference… | ||
| scan0049 | Secret memo discussing the retention of the revolution counter and instrument design for the Bentley B.III model. | ||
| View original record | SECRET. To-R/hld. from Sg. Copy to Hs.Hx.HI. FHR.Rm/Grv.Htr.WHS Bentley B.III-Specification. Sg9/K15.4.37 Referring to R/Lid.2/WP.15.4.37 I have discussed with Cx. and Bly. and they are of the opinion… | ||
| scan0050 | Specifications and comparisons for different configurations of an 8-cylinder engine. | ||
| View original record | Rm. 200B 400 typed 13.5.37 8 CYLINDER ENGINE. The overall length of the block of the 8 cyl. Wraith is 33 1/2". The biggest bore it will take is 3.125, giving a capacity of 276 cu.ins. or 4.53 L (4.500… | ||
| scan0051 | The future engine for the Wraith and Bentley III, considering a Straight 8 engine as a replacement. | ||
| View original record | Sg. from Rm. Hs. c. E. We are not altogether happy about the future position of the Wraith and Bentley III with regard to an engine unit. We have been looking round for some way of getting a… | ||
| scan0052 | Fitting a supercharger to a Wraith and future engine and model strategy. | ||
| View original record | -2- Rml1/R.22.5.37. Lammas Graham intake to the blower system, a supercharger could be fitted to this unit, and installed under the existing Wraith bonnet height without difficulty. The centres of the… | ||
| scan0053 | List of modifications to a Straight Eight Wraith engine to increase displacement and meet production requirements. | ||
| View original record | B. III 200B 400 TO MAKE STRAIGHT EIGHT WRAITH ENGINE A 300 cu. ins. DISPLACEMENT OR A % INCREASE OF 15%. MODS NECESSARY TO MAKE ENGINE SUITABLE FOR TO-DAY'S PRODUCTION REQUIREMENTS. (1) Cylinder studs… | ||
| scan0054 | Proposed programme and timeline for the Bentley TTT model. | ||
| View original record | Sg. and Es. c. Rm. By. RHC. HPS. Da. Rm/Gry. 200B 400 E.1/HP.15.6.37. Bentley TTT Programme. As a result of a discussion between Rm, By, RHC Gry Da. and E. the following is the proposed programme for… | ||
| scan0055 | Design revisions for the Bentley III Tachometer Drive pinion cutting process. | ||
| View original record | 200 B Liles BY. C. Rm. HPS. WS. E/JNR.1/HP.26.6.37. Bentley III - Tachometer Drive. When we designed the tachometer drive which was shewn on the Wraith III drawing we consulted Mr Ashby as regards the… | ||
| scan0056 | Endurance testing of new parts for a Bentley, including die-cast bearings, crank casts, and clutch improvements. | ||
| View original record | SECRET. Sg. from Rm. Hs. c. to E. Rm5/R.2.7.37. 15,000 Miles' Test Bentley. In the ordinary course of development a number of parts on the Bentley have reached the stage where they would be ready to… | ||
| scan0057 | Listing parts ready for production for the Bentley III, detailing potential modifications and queries. | ||
| View original record | SECRET To HPS. from Rm/Swdl. Rm/Swdl.3/AP.12.8.37 BENTLEY III. We give herewith the list of parts which can be produced in readiness for the above unit, also information regarding parts about which… | ||
| scan0058 | List of specifications for various engine components including the crankshaft, connecting rods, and pistons. | ||
| View original record | -2- Rm/Swdl.3/AP.12.8.37 (4) Crankshaft As Wraith III. in 'Hykro' with modified oil holes in accordance with our memo to the D.O. Rm/Swdl.1/JH. 30.6.37. (5) Connecting Rods. As Wraith III. with mods… | ||
| scan0059 | List of decisions and outstanding points for various engine and chassis components. | ||
| View original record | -3- (13) Oil Pump As Wraith III. (14) External Oil Filter. Decision as to whether existing Wraith III. pressure filter is used or whether we use bye-pass filter. This is dependent upon 10,000 miles… | ||
| scan0060 | The future of the existing Bentley model, balancing performance, comfort, and market demand. | ||
| View original record | By. from Rm. c. to Sg. c. to Hs. c. to Da. c. to Mx. c. to Sr. FUTURE OF EXISTING BENTLEY CAR. Whilst we were in Paris, we took the opportunity of discussing the future of the Bentley with Sr. We… | ||
| scan0061 | Cover note for a suggested specification for model B.II.A to maintain sales while the Bentley III was being finalised. | ||
| View original record | SECRET 200a Sg. from Rm. c. Hs. c. By. c. Da. c. Mx. 200B At the last Conference you asked us to supply a suggested specification for B.II.A. i.e. what improvements we could offer to the customer to… | ||
| scan0062 | Proposed specification for the Bentley II.A, listing changes from both customer and company perspectives. | ||
| View original record | PROPOSED SPECIFICATION OF BENTLEY II.A. (6.B.1V.) From Customers' point of View. (1) Raised front engine mounting. (2) 6.50 X 17 tyres for better ride and handling. (3) Wraith steering - lighter both… | ||
| scan0063 | P.D.4 layout of the driving position and front-end components for the Bentley 111 chassis. | ||
| View original record | Da/Ald. Da/Mc.S. Da/IWD. c. Rm. 200B DA.1/G.25.8.37. F.J. HARDY 400 BENTLEY 111 - CHASSIS FRONT END. Herewith is P.D.4 Layout of the Driving position of Bentley 111. The information given here settles… | ||
| scan0064 | The revised front end of the Bentley 111 car. | ||
| View original record | [Text crossed out] c. Rm. 200B DA.2/G.25.8.37. 400 BENTLEY 111 - REVISED FRONT END OF CAR. Herewith is P.D.5 Front End of the Bentley 111 chassis brought up to date. The contour of the radiator, front… | ||
| scan0065 | Bentley 111, attaching a print of FD.9. | ||
| View original record | DA/Ald. F. Dept. G. Dept. Rm. TB. De/Hdg. 200B 400 DA.4/G.4.9.37. BENTLEY 111. ----------- Attached hereto print of FD.9. See memo Da.7/G.1.9.37. already in your possession. DA. | ||
| scan0066 | Modified position of the oil level indicator for the Wraith III and Bentley III models. | ||
| View original record | E. Dept. F. Dept. G.Dept. D. Dept. c. Rm. c. RHC/GAN. 200B also 600 Da.3/G.8.10.37. 400 WRAITH III. AND BENTLEY III. - MODIFIED POSITION OF OIL LEVEL INDICATOR. Please receive herewith E.CD.130.… | ||
| scan0067 | Instructions to build four modified Bentley III units based on the Wraith specification. | ||
| View original record | To HPS. from Rm/Swdl. c. By. c. Da. Rm/Swdl.1/MH.11.10.37. 200B 400. BENTLEY III UNITS. Will you please build 4 Bentley III units in accordance with the Wraith specification Rm/BA.5.10.37 but modified… | ||
| scan0068 | Incorporation of new valve springs and washers for the experimental Bentley III unit. | ||
| View original record | To HPS. from Rm/Swdl. 200B Rm/Swdl.1/AP.12.10.37. 400 BENTLEY III. UNIT Further to our memo Rm/Swdl.1/MH.11.10.37., for the assembly of 4 experimental Bentley III units, will you please incorporate:-… | ||
| scan0069 | Status report outlining the design and detailing work required for components of the Bentley III model. | ||
| View original record | To Rm. from Rm/Les. 200B 13.10.37. POSITION OF BENTLEY III. 400 F.Section | Design work required. | Detailing Required. | Up to HPS. | |---|---|---| | Frame and Fittings. | Wing Stays PCD.18. | Front… | ||
| scan0070 | Continued list of design and detailing work required for vehicle components in G and E sections. | ||
| View original record | -2- G.Section continued | Design work required. | Detailing required. | Up to HPS. | |-----------------------|-----------------------|------------------| | | | Front pivots. | | | | Front hubs. | | |… | ||
| scan0071 | Instructing a change to the flywheel drilling for Bentley III units. | ||
| View original record | To HFS. from Rm/Swdl. x 200B 400. Rm/Swdl.2/WH.15.10.37. BENTLEY III UNITS. Further to our memo Rm/Swdl.1/WH.11.10.37, will you please instruct that the flywheel drilling be arranged to suit the… | ||
| scan0072 | List of 16 action points and status updates for the BENTLEY III project. | ||
| View original record | DRAFTY 200B 400 BENTLEY III. 30.10.37 (1) 16" wheel and6" tyre 4.5 Rim for Bentley. Requires detailing. Drawing No.R.S.O.458. (2) Radiator O.K. (3) Starting handle. Not yet started. (4) Scheme for… | ||
| scan0073 | Querying whether specifications for the Bentley III and future models are up-to-date. | ||
| View original record | Handwritten Text: Top left: Ptn, I would like to have this to Griffiths as he has your information to work upon. By Top center: 200B Top center right: 400. Typed Text: SECRET. To BY. from Sg. Copy to… | ||
| scan0074 | Agreeing on a method to test and represent the performance of the B.III chassis. | ||
| View original record | 200B 400. Hs. from Rm. c. By. Rm19/R.16.11.37. B.III PERFORMANCE. In order to dispose of any argument relative to the performance of B.III, we agree that the performance of 6.B.IV when fitted with… | ||
| scan0075 | Status report on the production of frames and fittings for the Bentley III model. | ||
| View original record | 200B. FILE BENTLEY III. We give herewith the position of the Bentley III as we know it at present. Frames & Fittings. FB.2937/8 Frame Side Members ) FB.2948/9 Channels Cruciform ) FB.3081/2 Frame… | ||
| scan0076 | Progress report on various car components with handwritten updates. | ||
| View original record | - 2 - Wing Stays and Fittings. No instructions. Handwritten: MR. DRAPER INVESTIGATING. SCH. DETAILS ISSUED ONE WING STAY 11TH THIS COMPLETES THIS ENGINE MOUNT Handwritten: SCH Dec 1ST Front Apron. No… | ||
| scan0077 | Progress update sheet listing various components and the status of their design schemes and associated deadlines. | ||
| View original record | - 3 - Pedals. No instructions. SCHEME RELEASED 10TH. DETAILED 24TH INST. Dashboard & Fittings. No instructions. SCHEME COMPLETED. DETAILS ON CASTINGS TO BE URGED. Details by 27TH. Floorboards &… | ||
| scan0078 | Status notes on the development of hydraulic jacks, shock dampers, and control systems. | ||
| View original record | - 4 - Pressure Piping for Hyd.Jacks. No instructions. DOES & WILL NOT EXIST Rear Shock Dampers. FB.3043 Conn.Link. FB.3049 Silentbloc Brkt. 2 sets have been produced from solid. Dies are now completed… | ||
| scan0079 | Production status report on the machining of various automotive components. | ||
| View original record | - 5 - Flywheel & Clutch Typed: No instructions, with the exception of GB.3080 flywheel, for which we are using forgings GW.1319. 45% machined. Handwritten: CASSEL CLEAR. WRAITH FLYWHEEL WITH 10"… | ||
| scan0080 | Progress report on the status of various vehicle components and their production. | ||
| View original record | - 6 - Servo Drive. We have received GW.3031 Worm Wheel only. Awaiting further instructions. DETAILS TO BE URGED. 24TH. 2nd Motion Shaft. 6 Sets instructed. We are proceeding with three. Approx. 80%… | ||
| scan0081 | Production status report for rear axle, front brake, and rear brake components with handwritten annotations. | ||
| View original record | - 7 - Rear Axle. GB.2784/5 Axle Tubes GB.2792 Susp.Brkts. GB.2252 Pinion. ) GB.1502 Bevel Wheel) 6 Sets instructed, producing 3. Frgs still outstanding at 00. 3 sets I/C Castings on order at Jessops.… | ||
| scan0082 | Production status report on various vehicle components, including brake drums, axles, and hubs. | ||
| View original record | - 8 - Servo Countershaft. No instructions. None Undersheets. No instructions. LEAVE Rear Hubs. 6 Sets instructed and 6 sets completely machined. O.K. GB.2756 Brake Drums R.R.53 C.Castings - fitted… | ||
| scan0083 | Production status report for cross steering tube and spring suspension components. | ||
| View original record | - 9 - Cross Steering Tube. 6 Sets instructed and completely machined. LENGTH OF TUBE GB.2764 Lever Dies completed. Spring Suspension. 6 sets instructed.- 3 sets of castings. FB.2924 Torque Arm 3 sets… | ||
| scan0084 | Production status report detailing the manufacturing progress of various components. | ||
| View original record | - 10 - Front Brakes. 6 Sets instructed completing 3 sets. FB.3113/4 Brake Shoes FB.3115/6 Carrier Plates A/C Castings. Pressings C.O. Further details onyl received 28.10.37. Handwritten: UNALTERED… | ||
| scan0085 | Progress report on engine component manufacturing instructions and specifications. | ||
| View original record | - 11 - Connecting Rods. 4 Sets instructed as Wraith III. Going slow on Big-Ends pending material. Handwritten: CON ROD BEARINGS .062 THICK. NO SHIMS. Pistons No instructions. Handwritten: AEROLITE.… | ||
| scan0086 | Instruction and status list for various engine components, mostly for the Wraith III model. | ||
| View original record | - 12 - Camshaft. 4 Sets instructed as Wraith III. approx 40% machined. DETAILS OF NEW CAM Dynamo Drive 4 Sets instructed as Wraith III. O.K. W.P.Drive. 4 Sets instructed as Wraith III. O.K. Governor… | ||
| scan0087 | List of instructions for various engine components, noting which are to be as 'Wraith III'. | ||
| View original record | - 13 - SCHEME TOMORROW. Water Connections. 4 Sets instructed as Wraith III. O.K. DETAILS 24th - Oil Fittings. No instructions. AS WRAITH - Oil Filler. 4 Sets instructed as Wraith III. '' Oil Filter. 4… | ||
| scan0088 | Status list for various car components with typed and handwritten notes. | ||
| View original record | - 14 - Exhaust Fittings. No instructions. DETAILS 14th Controls No instructions. SCHEME WEEK - Radiator. No instructions. DETAILS 17TH. Radiator Shutters. No instructions. NONE Bonnet No instructions.… | ||
| scan0089 | Specification document for the Bentley III car. | ||
| View original record | SECRET [Handwritten: taboo, ROOB (crossed out)] Sg. from Rm/Gry. Hs. By. Da. Rm/Gry.1/AP.16.11.37. [Handwritten: 400.] BENTLEY III. Herewith specification of this car. FRAME Frame made from same dies… | ||
| scan0090 | Specification list for various vehicle components. | ||
| View original record | -2- Rm/Gry.1/AP.16.11.37. PROPELLER SHAFT Jointed in middle with rubber mounted support bearing as used by Oldsmobile. SPARE WHEEL CARRIER Single arm side wheel carrier. EXHAUST Four port system.… | ||
| scan0091 | Specification sheet detailing changes to the car body dimensions and features. | ||
| View original record | -3- Rm/Gry.1/AP.16.11.37 BODY Wide entrance with P.III. positions of gear and brake levers. 3" wider dashboard. 50" front elbow room. Flat front floor with more room for pedals and driver's feet. 1… | ||
| scan0092 | Instructing that work on Bentleys be assigned to Phoenix or B.III order numbers. | ||
| View original record | Rm/Gry. from Rm. All Testers c. HPS. (struck through) 200B or 1044 400. Rm13/R.16.11.37. A lot of the present work we are doing on Bentleys is being carried out solely to provide work for Phoenix… | ||
| scan0093 | Minutes of a conference concerning the Bentley III model, discussing frames, wing stays, engine mounting, and rear suspension. | ||
| View original record | 200B 400 Rm12/R.24.11.37. MINUTES OF CONFERENCE ON BENTLEY III. 24.11.37. PRESENT: Da. HPS. By/Mtn. WSC. HPS/RH. HPS/FS. Rm/Gry. Rm. (1) FRAMES & FITTINGS. HPS. stated the frame material would be in… | ||
| scan0094 | Meeting minutes detailing agreed actions for various car components, including steering, petrol tank, and pedals. | ||
| View original record | -2- Rm12/R.24.11.37. Hy/Mtn. agreed to look into a complete LOP. for the frame. It was agreed that this would be issued as far as circumstances permitted on Monday next. It was suggested both body… | ||
| scan0095 | Meeting notes discussing the status of dashboard fittings, shock dampers, governor controls, and flywheel/clutch designs. | ||
| View original record | -3- (11). DASHBOARD & FITTINGS. LOF. promised by the 27th. (12) FRONT SHOCK DAMPERS. It was agreed that these were another high spot likely to delay the completion of the chassis and that no effort… | ||
| scan0096 | Meeting notes or memo discussing progress and actions for various vehicle components. | ||
| View original record | -4- RmlZ/R.24.11.37. (15) GEARBOX & ACTUATING GEAR. HPS. pointed out that some of the gears had to go to London to be ground. (16) SPEEDOMETER DRIVE. Da. pointed out that this was wrapped up in the… | ||
| scan0097 | Technical report or meeting minutes discussing updates on various vehicle components. | ||
| View original record | -5- (22) REAR HUBS. Rm. pointed out that we were getting a very big cost reduction by purchasing through Messrs. Alford & Alder and requested that any further supplies should be purchased from these… | ||
| scan0098 | Meeting notes or action items regarding the radiator and side spare wheel carrier. | ||
| View original record | -6- Rm12/S.24.11.37. (27) RADIATOR. By/Mtn. said he would complete the small details for this by the week-end. (28) SIDE SPARE WHEEL CARRIER. Details have not been received. By/Mtn. said he would look… | ||
| scan0099 | History and comparison of the Bentley B.III and B.50 projects. | ||
| View original record | To.Rm. from Da/Ev. c. to Da. By. 200 B also 1044 1260 Da/Ev.29/N.25.11.37. 400' History of Bentley III & Bentley 50 Projects. As requested by Rm. we give below a brief history of the B.III. and B.50… | ||
| scan0100 | Comparison of B.III and B.50 chassis specifications and project proposals for body modifications. | ||
| View original record | -2- Da/Ev.29/N.25.11.37 Cont'd. B.III. B.50. Engine 4¼. Wraith III. Wheelbase 10' 4" Dash to rear axle 89.5000" Overslung frame. Overall height 5' 3½" Headroom 45.5000" Bodies - Close Coupled Saloon.… | ||
| scan0101 | Project proposal document comparing design specifications for Projects No.4 (B.III vs B.50) and No.5. | ||
| View original record | -3- Da/Ev.29/N.25.11.37 Cont'd. Project No.4. - PD.65. sheets 1 & 2. Project No.4. starts a new series of proposals based on the supposition that the six-light Body of B.50 shall have the interior… | ||
| scan0102 | Comparison of specifications for different vehicle chassis and body types. | ||
| View original record | -4- Da/Ev.29/N.25.11.37 Cont'd. B.III. Engine, 4¼ Wraith III. Wheelbase. 10' 4" Dash to rear axle 89.5" Overslung frame. Height 5' 4½" Headroom 48.000" Bodies: Close Coupled Saloon. B.50. 3½ Litre… | ||
| scan0103 | Four alternative schemes for the Bentley 111 engine's throttle controls, requesting a cost and convenience comparison. | ||
| View original record | RHC. c. Rm/GWH. 2006. DA.18/G.30.12.37. Kingsbury [crossed out] H O D BENTLEY 111. ENGINE CONTROLS. Swoll- Have a talk to the estimating people to see what this is about Pma On the attached print of… | ||
| scan0104 | Several defects exhibited by the Bentley 111 chassis on the bump-rig. | ||
| View original record | BY. c. Rm. c. Da/BV. 200b DA.2/G.31.12.37. 400 BENTLEY 111. CHASSIS. We understand that the Bentley 111 chassis now on the bump-rig has exhibited several defects :- (1). The frame continuously breaks… | ||
| scan0105 | Design of engine controls for the Bentley lll model, comparing them to previous designs. | ||
| View original record | Files BY/HS. c. Rm. 200B DA.7/G.2.12.37. 400. BENTLEY lll - ENGINE CONTROLS. Please receive herewith the following designs :- E.CD.251 Throttle Controls (Side Elevation) Bentley lll. E.CD.252 Throttle… | ||
| scan0106 | Instructing that details for controls be issued to the Experimental Department. | ||
| View original record | - 2 - DA.7/G.2.12.37. The necessary details and instructions for these controls should be issued to the Experimental Department as soon as possible. DA. | ||
| scan0107 | Test programme for investigating wheel flutter on a B.III bumper chassis. | ||
| View original record | 200B also 102H 40 Rm. from Rm/Les. Rm/Les2/R.5.1.38. Programme for Investigating Wheel Flutter on B.III Bumper Chassis. (1) Compare flexibility of the steering mechanism with Packard. (2) Put chassis… | ||
| scan0108 | Proposed design changes and cost-saving measures for the B.50 model compared to the B.III. | ||
| View original record | HPS. from Rm. 200b. also 1044 400 Rml/R.10.1.38. Confirming our conversation yesterday, we are now making every endeavour to get the detailing of the small gearbox finished, which is the last item… | ||
| scan0109 | Cover memo attaching the programme for the Bentley 111 and a rough specification for the Bentley 50. | ||
| View original record | 200B also 1044 Sg. Hs. c. De. c. Rm. 400 BY.8/G.13.1.38. BENTLEY 111 and BENTLEY 50. I attach herewith the following information :- (a). Programme for Bentley 111. (b). A rough specification and… | ||
| scan0110 | Production and release programme for the Bentley lll model. | ||
| View original record | (a). BY.9/G.13.1.38. PROGRAMME for BENTLEY lll. 1st. Car on road February 1938 with universal gearbox. 1st. Car on road May 1938, with lowered floor and simplified box. 2nd. Car - June 1938. 3rd. Car… | ||
| scan0111 | List of suggested major items for the 2nd Bentley III and 1st Bentley 50 car models. | ||
| View original record | 8.200L also 10L H To HPS. from Rm/Gry. Rm/Gry.11/AP.18.1.38 400 2nd.BENTLEY III. AND 1st.BENTLEY 50. We suggest the following major items for these cars:- 8.BV. (1) Lowered frame PD.76. (2) Front… | ||
| scan0112 | Confirming a decision to use a B.III fully floating axle on the 1st experimental B.50, cancelling a previous specification. | ||
| View original record | To HPS. from Rm/Gry. [Handwritten in pencil]: Y 200b. [Handwritten in red pencil]: 40D Rm/Gry.8/MH.26.1.38. We send you herewith a copy of the notes taken at a Conference this morning, on which you… | ||
| scan0113 | Conference notes on design and parts for experimental models B.III and B.50. | ||
| View original record | Rm/Gry.4/MH.26.1.38. Handwritten: 200B also 1044 1381 Conference on B.III and B.50. Handwritten: 4.00 Present - Ds. Rm. By/NS. Rm/Gry. 1st. EXPERIMENTAL B.50. (1) Designs are still wanted for (a)… | ||
| scan0114 | Cancelling a previous specification and detailing a new decision for a B.III fully floating axle on an experimental B.50. | ||
| View original record | ✓ To HPS. from Rm/Gry. 200B also 1044. Rm/Gry.8/MH.26.1.38. 400 We send you herewith a copy of the notes taken at a Conference this morning, on which you will note it was decided to have a B.III fully… | ||
| scan0115 | Ignition governor characteristics for the B.III No.2 unit. | ||
| View original record | To Rm/RC. from Rm/Swdl. Rm/Swdl.4/MH.4.2.38. γ 20°B 400 BENTLEY III. IGNITION CHARACTERISTICS. For B.III No.2 unit the following ignition governor characteristic is required and should be fitted as… | ||
| scan0116 | Increasing the ground clearance for the Bentley 111 model. | ||
| View original record | Dev. c. Rm. c. HPS. ---------- 200b BY.3/G.15.2.38. 400 BENTLEY 111. GROUND CLEARANCE. -------------------- We must increase our ground clearance with tyres below the torque rods to 4.250 on full… | ||
| scan0117 | Summary of points requiring attention on the Bentley III chassis front axle and brakes, with handwritten comments and actions. | ||
| View original record | Handwritten Top: All testers will you please look through these comments, see that the necessary action is taken where this is desirable & let me know if you do not agree with any of the… | ||
| scan0118 | List of required design modifications and issues for various vehicle chassis components. | ||
| View original record | - 2 - Front Axle, Brakes, etc. (Continued). 9. A special 1/4" diameter screw with 90° countersink head is necessary to secure Cover GB.2766 to Housing GB.2765; we suggest the use of a standard 2 BA.… | ||
| scan0119 | List of suggested modifications and corrections for pedal and gearbox components. | ||
| View original record | - 3 - HPS/RH.1/VS.26.2.38. Pedals. 19. We suggest FB.3390/1 Washers called for on F.CD.259 be deleted and the collar increased in size. 20. The brake and clutch pedal holders are machined to .493 dia.… | ||
| scan0120 | List of technical points and suggestions regarding various vehicle mechanisms and components. | ||
| View original record | - 4 - HPS/RH.1/VS.26.2.38. Change Gear and Hand Brake Mechanism. [Looking into] 32. Suggest a rubber buffer be fitted to GB.3145 to prevent the metallic knock when the hand brake is released.… | ||
| scan0121 | List of technical notes and queries regarding vehicle components like the petrol tank, radiator, and engine unit. | ||
| View original record | - 5 - HPS/RH.1/VS.26.2.38. Petrol Tank. 42. The lower straps for the petrol tank are too short. Wiring. 43. This was generally unsatisfactory and has been pointed out to Mr. Davis. Radiator. 44. It… | ||
| scan0122 | List of required modifications and part updates for crankcases, bearings, and cylinders. | ||
| View original record | - 6 - HPS/RH.1/VS.26.2.38. Crankcase and Bearings (Continued). 5. Please delete KB.3585 Nut for fulcrum lever from LOP. 6. EW.1399 Lower Half requires modification to boss to take Plug KB.1060.A. 7. 2… | ||
| scan0123 | List of technical notes and required modifications for engine components. | ||
| View original record | - 7 - HPS/RH.1/VS.26.2.38. Cylinders (Continued). 15. Water Pipe Stud Hole is not required - please provide plug for this on LOP. 16. Studs for induction pipe flange facings are too long now… | ||
| scan0124 | The B.III engine unit, covering production simplification, road performance, and power curve adjustments. | ||
| View original record | 400. Ry. From Rm. c. Hs. c. RWC. c. Da. c. Mx. c. HPS. c. Da/Jnr. c. Rm/PD. B.III ENGINE UNIT. The attached report covers the work done up to date on this unit. It will be seen that in order to… | ||
| scan0125 | Test bed work and results for the Bentley III engine, comparing power and compression ratios with other models. | ||
| View original record | To Rm. from Rm/Swdl. Rm/bedl.1/NH.22.1.38. BENTLEY III. The following is a report to date on the test bed work and results that have been obtained. POWER. As indicated on the attached curve (S27) the… | ||
| scan0126 | Technical discussion on engine performance, detonation, compression ratios, and gaskets for Bentley and Wraith models. | ||
| View original record | -2- Curve (S30) illustrates this difference and it will be seen that on the non detonating line (which is the maximum power that can be used in a chassis) the actual MEP at 6 : 1 ratio is above the… | ||
| scan0127 | Tests and improvements to valve gear, induction systems, and timing gears. | ||
| View original record | -3- RM/Swdl.1/MR.32.3.38. reject a number of C and A on account of a slight difference in the ferrules which were responsible for leaks. VALVE GEAR. With the flat bottom Wraith III type of tappets and… | ||
| scan0128 | Gear rattle, bearing performance after endurance testing, and exhaust system comparisons. | ||
| View original record | -4- in action and can detect no difference in either condition in respect of gear rattle. Further confirmation of this result is to be carried out on Wraith with varying degrees of backlash. In the… | ||
| scan0129 | Summary report comparing the horsepower and performance of different engine silencing systems. | ||
| View original record | -5- Rm/Swdl.1/WH.22.3.38. The summary of this work to date about which we are going to give a separate report when finished is that two separate silencing systems give a marked improvement in horse… | ||
| scan0130 | Power curve graph for the 4 1/4 Litre Bentley Series II & III engines under various exhaust conditions. | ||
| View original record | 4 1/4 LITRE BENTLEY SERIES II & III POWER (1) STD. 4 1/4 LITRE BENTLEY OPEN EXH. (2) AS (1) WITH COMPLETE SILENCER SYSTEMS (3) BENTLEY III. OPEN EXH. (4) AS (3) BUT WITH SILENCER SYSTEMS AS (2) B.H.P.… | ||
| scan0131 | Graph plotting power and detonation characteristics for a Bentley III engine with varying compression ratios. | ||
| View original record | BENTLEY III. COMPRESSION RATIO. POWER & DETONATION. S.28. MARCH 1938. ① STD: WRAITH CYL: HEAD (131 cc's) GASKET .010: C/R = 6.25:1. ② WRAITH HEAD (119 cc's)(.100 OFF FACE.) GASKET .050 = C/R = 6.3:1.… | ||
| scan0132 | Graph comparing the detonation characteristics of different fuels in a Bentley III engine. | ||
| View original record | BENTLEY III COMPARISON OF FUELS AS AFFECTING DETONATIONS TESTS WITH COMPLETE BENTLEY III SILENCER (1 1/2" CARBS.) WRAITH HEAD .100 MACHINED OFF FACE 119 C.CS. WITH .050 GASKET COMP. RATIO 6.3:1 MAX.… | ||
| scan0133 | Graph showing power and detonation characteristics for a Bentley III engine with different compression ratios. | ||
| View original record | BENTLEY III COMPRESSION RATIO POWER & DETONATION S.30 MARCH 1938 ① STD. WRAITH CYL. HEAD (131 CCS.) GASKET .030" C/R = 6.1:1 ② WRAITH CYL. HEAD (119 CC'S) (.100 OFF FACE) GASKET .030" C/R = 6.5:1 ⓐ… | ||
| scan0134 | Performance comparison graph for an O.H.C. Bentley unit with different manifold and silencer configurations. | ||
| View original record | CURVES SHOWING COMPARISON BETWEEN - 4 PORT MANIFOLD TWO DOWNTAKES & 1 SILENCER - 3 PORT MANIFOLD TWO DOWNTAKES & 1 SILENCER. O.H.C. BENTLEY UNIT B 23 L.B. 8 PLUGS ETHYL FUEL NO AIR SILENCER TAPPETS AT… | ||
| scan0135 | Performance comparison chart for an O.H.C. Bentley (B.23) engine with different manifold and silencer configurations. | ||
| View original record | CURVES SHOWING COMPARISON BETWEEN: 4 PORT MANIFOLD & TWO BENTLEY SILENCERS. 3 PORT MANIFOLD & TWO BENTLEY SILENCERS. (D) O.H.C. BENTLEY (B.23) L.B.8 PLUGS ETHYL FUEL NO AIR SILENCER TAPPETS AT .006"… | ||
| scan0136 | Performance curves comparing different exhaust setups for an O.H.C. Bentley (B.23) engine. | ||
| View original record | CURVES SHOWING COMPARISON BETWEEN :- 4 PORT MANIFOLD & SINGLE BENTLEY SILENCER. 3 PORT MANIFOLD & SINGLE BENTLEY SILENCER. O.H.C. BENTLEY (B.23.) L.B.8 PLUGS. ETHYL FUEL. NO AIR SILENCER. TAPPETS AT… | ||
| scan0137 | Photograph of Wraith III No. 2 bigend bearings after endurance testing. | ||
| View original record | WRAITH III No. 2. BIGEND BEARINGS. A.C.6 billet cast .062 section. No's 1, 3, 5 flanged and No's 2, 4, 6 non-flanged have run 46 hrs. endurance as rear main. Each 1 hour 30 mins at 4000, 25 mins at… | ||
| scan0138 | Photographic record of Wraith III No.2 main bearings after endurance testing. | ||
| View original record | WRAITH III No.2. MAIN BEARINGS. White Metal R.R. 56 Shims. Rear has run 46 hrs. endurance. Other main bearings 68 hrs. endurance making a total of 190 hrs. on test bed plus 1700 miles on road. | ||
| scan0139 | Determination of the minimum tyre size for the B.50 car and conducting skid pan tests. | ||
| View original record | Spare 400 Da. from Rm. Da/DB. c. Hy. c. Rm/FJH. c. Rm/ATM. c. Ev. Rm12/R.23.3.38. With reference to Da/DB.14/R.22.3.38., we consider that it is now up to us to determine what is the minimum size of… | ||
| scan0140 | Design updates and decisions for the Bentley 111 chassis. | ||
| View original record | BY/MS. HPS/RH. Rm. HPS. 400 DA.11/G.29.3.38. GRY BENTLEY 111. CHASSIS. Referring to HPS/RH.1/VS.26.2.38. the car is in some respects obsolete, but some of the points raised apply to future cars. Front… | ||
| scan0141 | List of action points and design considerations for various vehicle components. | ||
| View original record | - 2 - Pedals. (19). Obsolete Pedals. (20). We will note points on new design. (21). Do not agree. (22). Will note in new design. GEARBOX. (23). to Obsolete Gear box. (31). (32). We are investigating a… | ||
| scan0142 | List of design points and decisions for various vehicle components including the engine unit. | ||
| View original record | - 3 - DA.11/G.29.3.38. Wiring. (43). Wiring scheme not yet designed. Radiator. (44). (45). (46). Front Bumper. (47). ----- ENGINE UNIT. ----- Crankcase and Bearings. (1). (2). (3). (4). (5). (6). (7).… | ||
| scan0143 | List of points of disagreement regarding camshafts, bearings, and water connections. | ||
| View original record | - 4 - DA.11/G.29.3.38. Camshaft & Bearings. (20). Do not agree. (21). Do not agree. Water Connections. (22). Do not agree. (23). (24). DA. | ||
| scan0144 | Development and release programme for the Bentley III car. | ||
| View original record | HSO. By.3/G.5.4.38. PROGRAMME FOR BENTLEY III. The first car is actually on the road fitted with universal gearbox. The second car with new gearbox will be available last week in July 1938 (Wider… | ||
| scan0145 | Modifications for the ignition distributors on the Wraith and Bentley III models. | ||
| View original record | To By. from HM/F.Potts. c. By./RD. c. HM/RC. Handwritten notes: 400 600 RC IGNITION DISTRIBUTORS - WRAITH AND BENTLEY III. The first R.R. distributor to L&C.ECD.515 has been tried on the test bed, and… | ||
| scan0146 | Specifications for the production of two additional B.III cars. | ||
| View original record | 400? HPS. from Rm. By. Da. PRODUCTION OF 2 MORE B.III CARS. We have not previously issued instructions for building two further B.III cars which are required, because we wish to avoid making scrap.… | ||
| scan0147 | Engine specifications for two cars, including crankshaft and bearing types, and expediting chassis completion. | ||
| View original record | -2- Rm3/R.26.4.38. Steering Lever, - to give optimum lock with 6.5 x 16 wheels. Exhaust System - as on B.III. The engine unit which we propose to use for the first car will be the one with the .4… | ||
| scan0148 | Comparison of leading dimensions between the B.111 model and a 3.5 Litre Jaguar. | ||
| View original record | 4.00 To Sg. From EV. c. to Mr. H.Y. Rm. C. Dr. Hm. [text has been struck through] Da/EV.29/G.26.4.38. B.111 and 3½ Litre Jaguar Compared. As requested a fully dimensioned drawing has been made for the… | ||
| scan0149 | Comparison of vehicle dimensions between model B.3 and a 3½ Litre Jaguar, proposing an increase in body width. | ||
| View original record | - 2 - Da/Ev.29/G.26.4.38. We propose that on S.B.3 the third car, we increase the width of the rear of the body to equal the Jaquar. We cannot do this on 2.B.3 as it is too far advanced. Dimension.… | ||
| scan0150 | Detailed provisional specification for the second and third B.III cars. | ||
| View original record | 400. HPS. from Rm. c. By. c. Da. c. By/NS. Rm1/R.29.4.38. B.III. Herewith a more detailed provisional specification for the second and third B.III cars. Rm. | ||
| scan0151 | Specification sheet for 2nd and 3rd series cars, listing parts under Section D. | ||
| View original record | B.III SPECIFICATION. 2nd. AND 3rd. CARS. Rm/Cr.7/MH.28.4.38. SECTION D. TITLE. LOP. NO. 7190 Instrument Board. As 7.B.V. 7290 Battery Box & fittings. " " 7360 Wiring and Fittings. " " slight mods.… | ||
| scan0152 | Specification list for engine and electrical components, with associated notes. | ||
| View original record | -2- Rm/Cr.7/MH.28.4.38. SECTION D. TITLE. LOP. NO. 8150 Ballast Resistance. None needed. 8160 Switch Box. As 7.B.V. 8170 Distributor Box. " " 8200 Horn Junction Box. " " 8210 Junction Box (4 way) " "… | ||
| scan0153 | List of engine components with reference numbers, corresponding to the B.III No.5 second engine. | ||
| View original record | -3- Rm/Cr.7/MH.28.4.38. SECTION E. TITLE. LOP. NO. 5040 Piston. B.III No.5 second engine as per memos Rm/Swdl.2/MH.20.4.38. Rm/Swd 2/MH.6.4.38. This engine will be fitted following endurance on the… | ||
| scan0154 | Specification sheet detailing parts and build notes for Sections E and F of a vehicle chassis. | ||
| View original record | -4- SECTION E. TITLE. LOP.NO. 5210 Wire Fittings. EW.1242 As Wraith III. 5220 Fan. To Scheme SCD.571. 5230 Exhaust Fittings. As 7.B.V. on 2nd. B.III Duplex system being designed. 5250 Radiator and… | ||
| scan0155 | 'Section F' component list detailing parts, their numbers, and design status. | ||
| View original record | -> Rm/Cr.7/MH.28.4.38. SECTION F. TITLE. LOP.NO. 7040 Front Axle. As 1.B.50. 7041 Cross Steering Tube. As 1.B.50. Levers for best lock 16 x 6.50 Tyres. PD.134. 7042 Spring Susp, Mechn. Front. As… | ||
| scan0156 | Specification sheet for Sections F and G, listing parts like the spare wheel carrier, clutch, gearbox, and axles. | ||
| View original record | -6- SECTION F. TITLE. LOP.NO. 7430 Side Spare Wheel carrier. As 7.B.V. SECTION G. 6000 Flywheel and Clutch. As 1.B.50. SCD.519 and GCD.518. 6030 Gear Box and Act. Gear B.III small universal gearbox.… | ||
| scan0157 | Specification sheet listing modifications and details for various vehicle components. | ||
| View original record | -7- Rm/Cr.7/MH.28.4.38. SECTION G. TITLE. LOP.NO. 6151 Front Brake Equal.Gear Ft. FB.3788 As 1.B.50. FCD.605. 6152 Front Brake Inter. Lever. As " FCD.605. 6156 Servo C'shaft. 6160 Undersheet. 6170… | ||
| scan0158 | With suggestions for the B.III 15,000 miles' test programme. | ||
| View original record | 400 By. from Rm. c. Da. c. HPS. c. Rm/AFM. c. Rm/IMW. Rm16/R.4.5.38. B.III 15,000 MILES' TEST. Although we have stated in the programme that the first B.III will go to France in October of this year,… | ||
| scan0159 | Requesting a spare set of levers for a torsional indicator. | ||
| View original record | To HPS. from Rm/Swdl. Rm/Swdl.4/MH.4.5.38. P.400. TORSIONAL INDICATOR. As our tests with the above instrument are becoming extensive will you please make a spare set of levers similar to the ones we… | ||
| scan0160 | Concerning the use of cast steel parts versus stampings for a B.III 15,000-mile test. | ||
| View original record | 400. To Rm. from HPS. c.c. BY. c.c. Da. HPS.2/VS.5.5.38. B.III 15,000 MILES' TEST. Referring to Rm.16/R.4.5.38., it should not be overlooked when endeavouring to accelerate tests in France that a good… | ||
| scan0161 | Production and testing of steel castings for the B.III suspension's 15,000-mile test. | ||
| View original record | SECRET. HOO HPS. from Rm. c. Hy. c. Da. Rm12/R.6.5.38. B.III 15,000 MILES' TEST. Referring to HPS2/VS.5.5.38., steel castings have fallen down on production because they do not represent the cost… | ||
| scan0162 | Conference memo comparing body dimensions, specifically elbow room and rear width, between the B.III model and a 3½-litre Jaguar. | ||
| View original record | CONFERENCE SECRET. To Ev. from Sg. Copy to Hs. Er. Rm.Hn. re B.III and 3½-litre Jaguar Comparison. Sg10/E6.5.38 400 Referring to Da/Ev.29/G26.4.38 the comparison figures you give are very interesting.… | ||
| scan0163 | Confirming the reliability of experimental cast steel parts for a 15,000 miles test and proposed French running. | ||
| View original record | HPS Rm. Da. 400 BY.13/G.12.5.38. WALLER noted Rhs B.111. 15,000 MILES' TEST. With reference to your memo HPS.2/VS. 5.5.38. and the following pieces which have been made in cast steel to facilitate… | ||
| scan0164 | The oil level behaviour in Wraith III and Bentley III engines when starting from cold. | ||
| View original record | By. From Rm/Swdl. c. Hs. c. RHC. c. Da. c. Da/Jnr. Handwritten: Secret [crossed out] 400 also 600 WRAITH III & BENTLEY III OIL LEVEL. It has been very noticeable on the above units during development… | ||
| scan0165 | Recommending the adoption of a trap door design for the Wraith III and Bentley III models. | ||
| View original record | -2- Rm/Swdl.1/R.16.3.38. In view of the results obtained and the simplicity of the trap door, etc. which needs no testing as is incorporated on P.III, we consider that it should be adopted on Wraith… | ||
| scan0166 | Blueprint of a suggested balance hole in the sump to resolve oil level drop issues during a cold start. | ||
| View original record | Rm 528 PUMP PH III PARTS SUGGESTED BALANCE HOLE IN FRONT WEB OF SUMP AS TESTED ON WRAITH & BENTLEY III TO OVERCOME OIL LEVEL DROP WHEN STARTING UP COLD | ||
| scan0167 | Design modifications for the Bentley III and 50 chassis. | ||
| View original record | Handwritten Top: Will those Concerned please investigate & see me To Dr. from HPS. C. Rm. 400 fil HPS. BENTLEY III AND 50 CHASSIS. We give below for your consideration certain points which have been… | ||
| scan0168 | Potential modifications to frame fittings, a protective plate, rear spring brackets, and pedal assembly bolts. | ||
| View original record | - 2 - HPS.5/VS.9.6.38. Frame and Fittings. We are anxious to secure the end sockets to the front crossmember by the flash welding process, and if you are in agreement with this proposal we shall be… | ||
| scan0169 | Requesting the fitting of a rubber off stop to the hand brake for two B.III chassis. | ||
| View original record | γ 400 To HPS. from Rm/Cr. c. Rm/IMW. c. Rm/FD. Rm/Cr.7/MH.20.6.38. Further to the specification for the next two B.III chassis Rm/Cr.7/MH.28.4.38, will you please fit a rubber off stop to the hand… | ||
| scan0170 | Parts list for the Bentley 111 chassis, detailing components for the engine and sending of blueprints. | ||
| View original record | HPS. c. Rm. c. Rm/Swdl. HGO BY/Ald.10/G.22.6.38. BENTLEY 111. CHASSIS. CRANKCASE AND BEARINGS. SECTION 5000. VALVES AND FITTINGS. SECTION 5060. CAMSHAFT. SECTION 5090. WHEELCASE AND FITTINGS. SECTION… | ||
| scan0171 | Camshaft and associated part changes, including obsolete parts and introduction of a new material. | ||
| View original record | - 2 - BY/Ald.10/G.22.6.38. Section 5090. K.4310 Nut - Cam Wheel and Shaft. 4 off. Section 5000. KB.352 Stud - End Cover for Camshaft 2 off. K.4310 Nut " " " 2 off. K.9008 Washer " " " 2 off. The… | ||
| scan0172 | Secret memo providing a status update on prototype cars B.50 and B.III. | ||
| View original record | 400 also 800 SECRET. Sg. from Rm. Hs. c. By. B.50 went over on the road as a complete car on Tuesday, June 21st. As is the case with every proto-type experimental car, a number of adjustments will… | ||
| scan0173 | Secret memo from Sg. to Rm. regarding the arrangement of a test drive for cars B.III and B.50. | ||
| View original record | SECRET. To Rm. from Sg. re B.III Sg5/E14738 400 Referring to Rm4/R.23.6.38 would you please let me know when I can try this car. My present plans for next week are not to come up Monday and Tuesday as… | ||
| scan0174 | Arranging test drives for the B.III and B.50 car models. | ||
| View original record | 400. Sg. from Rm. Rm2/R.15.7.38. B.III & B.50 CARS. With reference to Sg5/E.14.7.38., we expect to be able to let you try B.III on Thursday of next week. We do not know whether you would like to be… | ||
| scan0175 | Arrangements for using and testing the B.III and B.50 cars. | ||
| View original record | /MW 450 To Rm. from Sg. Copy to Hs. re B.III and B.50 Cars. Sg11/E18738 Referring to Rm.2/R15.7.38 I think the best way will be to let me have B.III when I leave the office at W. on Thursday evening… | ||
| scan0176 | Requesting recommendations for sealing the air hole around the hand brake lever on the B.III model. | ||
| View original record | H50. To Rm/IMW. from Rm. Rm.10/MH.29.7.38. B.III. We consider that some provision should be made for blocking up the air hole round the hand brake lever on the B.III. We believe that some of the… | ||
| scan0177 | Required improvements and issues found during a car test drive. | ||
| View original record | HOD also HODa To Rm/IMW. from Rm. c. All Testers. c. Log Book. Rm.1/MH.1.8.38. B.III. This car continues to be a pleasure to drive. We consider that the following points should receive attention. (1)… | ||
| scan0178 | List of required modifications and investigations for a vehicle, including component adjustments and performance tests. | ||
| View original record | -2- RM.1/MR.1.8.38. (8) We must decide where and how we are going to store the tools on B.III. Arrange them on this car in what you consider to be the best place and let me see. (9) Flywheel whistle… | ||
| scan0179 | List of technical queries and suggestions for vehicle improvements, including pedals, steering, tyres, and starter carburettor. | ||
| View original record | -3- Rm.1/MH.1.8.38. (18) Can we make the pedal operation more comfortable by having a slight well as on B.II. Will the position be automatically improved on the next car with lower floor. What… | ||
| scan0180 | Requesting a study on driving comfort for the B.III model, focusing on pedals, seats, and steering column adjustment. | ||
| View original record | 400 To IMW. from Rm. Rm.9/MH.8.8.38. DRIVING IN COMFORT ON B.III. We want you to make a particular study of driving comfort on B.III. We are prepared to make any modifications necessary to the… | ||
| scan0181 | Outlining the programme and allocation of units for new experimental chassis. | ||
| View original record | 400 also 666 To HPS. Rm/Swdl.8/JH.20.8.38. EXPERIMENTAL CHASSIS. Regarding the units required for the various new chassis we give herewith our programme for this job. 8.B.V. (15,000 miles car) B.III… | ||
| scan0182 | Test report on B.III bump chassis front-end components after a 30-hour run on 3' cams. | ||
| View original record | 400 also 1044 To By. c. to Da. c. to By/HSB. c. to By/WS. c. to HF/WB. c. to By/ALD. Rm/AFW.1/JH.23.8.38. B.III BUMP. CHASSIS - FRONT END. 30 hour run on 3" Cams. Full Specification. See… | ||
| scan0183 | Technical report detailing the performance and failures of various chassis and engine components. | ||
| View original record | -2- Rebound Buffers. (Similar to C.2042) Wraith type Firestone of 45 durometer. Should be added to I.O.F. with suitable fixings. One failed after 18 hours due to a damper failure and lack of suitable… | ||
| scan0184 | Failures and modifications for springs, knurled shafts, rubber glands, and the main valve. | ||
| View original record | -3- The springs have been unsatisfactory, there have been several failures. This is attributed to the use of inferior springs; correct supplies should be available shortly. The chamfer round the valve… | ||
| scan0185 | Valve, piston, and main casing issues and proposed modifications. | ||
| View original record | -4- Rm/AFM.1/JH.23.8.38. The very fine needle running from spring to valve was a makeshift and had not a proper head. The sharp end dug into the valve: but the proper end should prevent this. This… | ||
| scan0186 | Test report detailing failures and recommendations from a 50-hour run on a Bentley III front end bumper. | ||
| View original record | Rm/Clm.2/JH.23.8.38. Bentley III Bumper Test. Front End. 50 Hours run on 3" Cams. Failures. Recommendations or remarks. N.S. rebound buffer after 6 1/2 hours. This was a 55 durometer hardness buffer… | ||
| scan0187 | Damper and valve failures during testing, with associated remarks and recommendations. | ||
| View original record | Rm/Clm.2/JH.23.8.38. Failures. Recommendations or remarks. O.S. Spherical rubber failed after further 3 hours. Rubber had lasted 87 hours. O.S. Damper lost load on rebound stroke after a further 3 1/2… | ||
| scan0188 | Confirming plans for testing and producing new axle, gearbox, and engine components using different materials. | ||
| View original record | 400 HPS. from Rm. Rm8/R.23.8.38. Confirming our conversations with you at various times, we should like to try both a B.III centre axle casing and gearbox casing in magnesium as a means of… | ||
| scan0189 | Progress on manufacturing a Rear Axle Casing, Cast Iron Engine, and cylinder heads. | ||
| View original record | 400 To Rm. from HPS/WSC. HPS/WSC.8/VS.25.8.38. Re Memo Rm.8/R.23.8.38. In reply to the above, we would like to mention that we have a Rear Axle Casing produced in magnesium now going through on the… | ||
| scan0190 | Preliminary specification for the Bentley 111. | ||
| View original record | 400 BY/NS.3/G.29.8.38. All testers. Please note Rm BY: Der. Rm. RHC. HPS. BY/Mch. BENTLEY 111. We send you herewith a Preliminary Specification of Bentley 111. This specification has been compiled… | ||
| scan0191 | List of parts and associated drawing numbers for a Bentley 111. | ||
| View original record | BY/NS.3/G.29.8.38. BENTLEY 111. Instrument Board. To LOP. DB.1834 incorporating D.CD.612 (Instrument Lighting). Battery Box and Fittings. To LOP. DB.1573 incorporating F.CD.657 (Modified Battery Box… | ||
| scan0192 | Index page listing various electrical components and their corresponding document references. | ||
| View original record | - 2 - Dynamo. (Cont'd). Field Winding - To LOP. DB.1792. Dynamo Suspension. To LOP. DW.552. Ignition Distributor. To LOP. DW.291. DW 712 incorporating E.CD.513 (Distributor Spring Drive - Delco).… | ||
| scan0193 | List of drawings and modifications for rear axle, brake, hub, and propeller shaft components. | ||
| View original record | - 3 - BY/NS.3/G.29.8.38. Rear Axle (Semi Floating). L.O.P. GB.3723 incorporating PD.90 Arrgt. of Axle Shafts, Tubes etc. PD.91 Arrgt. of Centre Casing. PD.119 Crown Wheel Brg. Cover with Integral… | ||
| scan0194 | List of modifications and associated parts for brake systems and the overdrive gearbox. | ||
| View original record | - 4 - BY/NS.3/G.29.8.38. Rear Brakes Inter. Shaft. Complete to LOP. GB.3840. incorporating S.CD.580 Modn. to Rear Brake Eqr.(To improve Geometry) G.CD.616 Rear Brake Linkage. Rear Brake Eqr. Complete… | ||
| scan0195 | List of parts and modifications for the Gearbox, Hand Brake, and Clutch assemblies. | ||
| View original record | - 5 - BY/NS.3/G.29.8.38. Gear Box (Overdrive). (Cont'd). PD.115 Servo Drive, Speedo Drive, Damper Control Pump. PD.144 Mod. Fulcrum Boss (Servo Balancer Susp. Link). PD.154 Arrgt. of Fully Isolated… | ||
| scan0196 | Specification sheet detailing engine components and their respective modifications. | ||
| View original record | - 6 - Crankcase and Bearings. Complete to LOP. EB.3643. incorporating Crankcase Mod. to Ex.30696 to suit Vandervell Main Bearings L.1076 and Thrust Washers. Rear Bearings - Not Grooved. S.CD.664… | ||
| scan0197 | List of specifications for various engine components and sub-assemblies. | ||
| View original record | - 7 - Camshaft and Bearings. Complete to LOP. EB.3569 incorporating Camwheel, in Attwaters PineFabric. Camshaft to Ex.31550 having cam forms to E.CD.681/2. Inertia of Camwheel increased, as E.CD.803.… | ||
| scan0198 | List of modifications and completions for oil fittings, induction pipes, and frame components. | ||
| View original record | - 8 - BY/NS.3/C.29.8.38. Oil Fittings. Complete to LOP. EB.3751. incorporating E.CD.390 Petrol Supply and Drain Pipe. Oil Relief Valve. Complete to LOP. EW.1470. Oil Level Indicator. Complete to LOP.… | ||
| scan0199 | List of chassis components including frames, springs, steering, and bumpers with associated part numbers and instructions. | ||
| View original record | - 9 - BY/NS.3/G.29.8.38. Frames and Fittings. Cont'd. F.CD.605 Layout of Front Brake Operation. F.CD.642 Front Anchorage - Rear Springs. PD.180 Apron and Starting Handle Bearing. PD.690 Aft. Shackle -… | ||
| scan0200 | List of components and fittings including the petrol tank, pedals, dashboard, and various piping. | ||
| View original record | - 10 - BY/NS.3/G.29.8.38. Petrol Tank. Complete to LOP. FB.3975 incorporating F.CD.711 Modified 16 Gallon Petrol Tank. Pedals. Complete to LOP. FB.3797 incorporating F.CD.600 Brake Pedal and Support… | ||
| scan0201 | List of modifications and updates for chassis components including dampers, apron, axle, steering, suspension, and roll rods. | ||
| View original record | - 11 - BY/NS.3/G.29.8.38. Rear Shock Dampers (Ph.lll Type). Complete to LOP. FB.3879. incorporating E.CD.514 Revised High Front Engine Mounting. S.CD.429 Front Shock Damper Valve. Front Apron. To LOP.… | ||
| scan0202 | Comparing the development progress of the Bentley III chassis against the Wraith chassis for the 1939 Show. | ||
| View original record | To.. Mr & Rm......From RHC. C.C. Mr Hs. 400 RHC.1/MC.30.8.38. BENTLEY III It is understood that the above chassis is intended for introduction at 1939 Show and upon reviewing the present position it… | ||
| scan0203 | Warning about potential production programme disorganisation if final designs are not released promptly. | ||
| View original record | -2- From the foregoing it will be realised that unless the final designs can be released at an early date considerable disorganisation of the production programme will ensue, particularly since the… | ||
| scan0204 | Gantt chart outlining the production schedule for the Bentley III model from 1938 to 1939. | ||
| View original record | BENTLEY III SCHEDULE 1938 JULY AUG SEPT OCT NOV DEC 1939 JAN FEB MAR APR MAY JUN JUL AUG SEP FINAL DESIGNS. COMPLETION OF MODA. OCT 15TH DETAIL DRAWINGS. PRELIMINARY SEP 30TH FINAL MODIFICATIONS NOV… | ||
| scan0205 | Requesting an alteration to a car's specification for the frame to have a bent type front pan. | ||
| View original record | c Rm/HMW c Rm/FD γ 408² To HPS. from Rm/Gry. c. Roy/Les. Rm/Gry.3/MH.1.9.38. 11.B.V. We have had a letter from Rm. asking us to alter the specification we sent you for this car, in that he wants the… | ||
| scan0206 | Design considerations for the Bentley 111, focusing on the back axle, weight, and performance. | ||
| View original record | SS Hs Rm. 400 BY.4/G.10.9.38. BENTLEY 111. In launching Bentley lll there can be no question but that we must, if we are to maintain our position avoid introducing into the chassis any features which… | ||
| scan0207 | Continuation of the developed Bentley axle and postponing a new semi-floating axle design. | ||
| View original record | - 2 - BY.4/G.10.9.38. that we carry on with the developed Bentley axle as now on production for Bentley lll, and wash out entirely any idea of introducing the semi-floating axle until this type has… | ||
| scan0208 | List of modifications and faults identified in the Bentley axle since its introduction. | ||
| View original record | MODIFICATIONS TO BENTLEY AXLE SINCE ITS INTRODUCTION. A list of the parts which demanded serious modification is as follows :- (a). The flange bolting the axle tube to the centre box failed, and had… | ||
| scan0209 | Design modifications to wheel drivers and cone angles to resolve faults. | ||
| View original record | - 2 - (e) Wheel Drivers. (cont'd) (2) cont'd. We have cleared this fault by using a case hardened material for the driver. (3) In order to prevent locking of the driving teeth in the hub we have found… | ||
| scan0210 | Confirming the decision to abandon a new type of axle for the Bentley III car to avoid undue risk. | ||
| View original record | 4001 To EH. from Sg. Copy to Hs.Rm.Der re Bentley III Sg7/E12938 I am in receipt of EY.4/G.10.9.38. The question you raise is one on which I feel we should be guided by you and, provided Hs. agrees, I… | ||
| scan0211 | The deliberate restriction of Bentley 111 chassis availability until reliability was confirmed. | ||
| View original record | [REDACTED] [REDACTED] c. Rm. HOD? BY.2/G.14.9.38. BENTLEY 111. [Signature] Referring to RHC.1/MC.30.8.38. we are obliged for the schedule attached to same, but there is no need to feel any alarm in… | ||
| scan0212 | Outlining the procedure for producing tentative Layout of Details (L.O.D.'s) for the R.III engine. | ||
| View original record | 400 BRO. CWS. FJH. OTS. CLd. EH. APR. JSD. Fedi. IMP. AG. SF. RMS/A.14.9.36. L.O.D.'S FOR R.III. In order to give production something to work on with regard to the intended specification for R-III,… | ||
| scan0213 | Outlining the plan to issue parts lists for the Bentley 111 chassis and detailing ongoing design considerations. | ||
| View original record | 400 BY.1/G.14.9.38. E. Dept. [Redacted] G. Dept. [Redacted] D. Dept. [Redacted] c. Rm. Cr. Dept. [Redacted] Cr. Rec/Wkd. [Redacted] BENTLEY 111. We are now in a position to enable us to issue a list… | ||
| scan0214 | Specification sheet for the Bentley III induction system and related components. | ||
| View original record | Ry/CS. from Rm/CTS. c. HPS. c. Da/McS. 400 Rm/CTS1/R.16.9.38. BENTLEY III SPECIFICATION. E.C.D. 758. Layout of Induction System to suit:- S.U. Carburetters type H.4. with automatic starting device… | ||
| scan0215 | List of modifications concerning engine controls and water supply pipes. | ||
| View original record | -2- Rm/CTS1/R.16.9.38. E.C.D.617/8. Engine controls, mixture control is now deleted. Throttle control modified by E.C.D. 877. E.C.D.165. Water supply pipes to hot spots - otherwise see E.C.D. 758.… | ||
| scan0216 | Provisional specification for the inclusion of modified engine components on the B.III LOP model. | ||
| View original record | 400 To By/CS. from Rm/Swdl. c. HPS. c. Da/McS. Rm/Swdl.4/MH.17.9.38. PROVISIONAL SPECIFICATION FOR INCLUSION ON B.III LOP. Crankcase and Bearings. Inclusion of Vandervell bearings in accordance with… | ||
| scan0217 | Specifications for engine components including pistons, cylinders, and valves. | ||
| View original record | -2- Rm/Swdl.4/MH.17.9.38. Pistons. Aerolite, as present production Bentley, but with raised crown to Rm.522. The object of this is to enable use of 6.5 : 1 Comp. ratio on Bentley against 6.0 : 1 on… | ||
| scan0218 | Specifications for engine components including valves, camshaft, dynamo drive, and oil filter. | ||
| View original record | Rm/Swdl.4/MH.17.9.38. -3- Valves and Fittings - Cont'd. (2) Inlet valves as production Wraith, but in S/SLV bought out completely finished from Motor Components Ltd. (3) Rockers modified to suit… | ||
| scan0219 | Items to be included in the B.III specification. | ||
| View original record | γ 400. To By. from Rm/Std. Rm/Std.7/MW.20.9.38. c. By/CS. c. Da/McS. c. Rm/Cr. B.III SPECIFICATION. As requested by Rm., attached is a list of the items which should be included in B.III specification… | ||
| scan0220 | Comparison table of performance metrics for various car models, including Rolls-Royce and competitors. | ||
| View original record | HDO CAR. | TOTAL WT. 2 PASS: | ROAD WHEEL HP. AT MAX. LAP SPEED. | MAX. LAP SPEED. | WEIGHT ON FRONT WHEELS TONS. | FRONTAL AREA OF CAR SQ. FT. | WINDAGE TRACTIVE RE M.P.H. OF C FACTOR C | C FRONTAL… | ||
| scan0221 | Modifications carried out on a Bentley III 15,000 miles test car. | ||
| View original record | 400 also 400 L To HPS. c. to Da. c. to All testers. c. to Log Book. Rm/IMW.6/JH.27.9.38. 8.B.V. - Bentley III. 15,000 miles test car. The following work has been carried out since the car was released… | ||
| scan0222 | List of vehicle modifications, component specifications, and identified defects requiring attention. | ||
| View original record | -2- Rm/IMW.6/JH.27.9.38. . The minimum position is fixed by the GB.3564 lever coming against the gearbox casing and is not apparent when dismantled. 7. Control rod to damper unit lengthened to obtain… | ||
| scan0223 | Numbered list of vehicle faults and required corrective actions. | ||
| View original record | -3- 14. Clutch withdrawal bearing seized up. The scheme to overcome this OCD.324, will be required. 15. Clutch slip prevents restart on 1 in 4 gradient possibly due to deficiency in withdrawal… | ||
| scan0224 | Arranging the secret movement of a Wraith car to a private lock-up garage at Lillie Hall. | ||
| View original record | 400 To Rm. from Sg. re B.III. Sg1/E51038 I am writing to you in advance of the 3 o'clock call as I shall probably have some one in my office and shall not wish to go into a lot of details. It will… | ||
| scan0225 | Directions to a garage located in Hays Mews. | ||
| View original record | (For enc. with Sgl/E51038) The Garage is in Hays Mews. Go round Berkeley Square, turn out of it at Hill Street. Hays Mews is then the first turning on the left and the garage is the first one on the… | ||
| scan0226 | Road test report on the Bentley III expressing disappointment with its engine performance, gearbox noise, and suspension. | ||
| View original record | SECRET. Hoo also Hoob. Sg. C. to Hs. C. " Rm. C. " BX. C. " E. C. " Bly. re- Bentley III. Cx1/KW10.10.38. Accompanied by Bly I went nearly 100 miles in this car on Friday and took it over with a great… | ||
| scan0227 | Road test and critique of a car's features, including suspension, gear lever, interior space, visibility, and engine performance. | ||
| View original record | - 2 - Cx1/KW10.10.38. to strengthen the shock absorbers at all from the 'soft' position, which seemed to me to be adequately hard enough for all conditions under which I drove the car on the Great… | ||
| scan0228 | List of L.O.P's (List of Parts) to be instructed for the Bentley III chassis based on a specific specification. | ||
| View original record | A5D Pilo [STAMPED BOX] TO-H.S.Y. C. BY. c. RHG/sld. c. Rm/Swdl. c. [illegible/crossed out] BY/CSS/EH.13.10.38. Re Bentley III Chassis. Specification Rm/Swdl.4/MH.17.9.38. The following is a list of… | ||
| scan0229 | Instruction to receive new drawings for the Spring Drive section of the Bentley III Chassis. | ||
| View original record | TO H.J.S. [crossed out] o. BY. [crossed out] o. RHC/Wld. [crossed out] c. Rm/Swdl. c. RHC/WES. [crossed out] H50 BY/CS5/EH.13.10.38. Re Bentley III Chassis. Spring Drive - Section 5020. Specification… | ||
| scan0230 | Water connections for B, III and B.50 models. | ||
| View original record | Stat. 400 By/CS.2/EH 14.10-30 B, III & B.50 Water connections. 400. 440. see file | ||
| scan0231 | Fan for models B.III and B50. | ||
| View original record | H00. Rm/Std. By/CS.3/EH.1H-10.38 Re. B.III & B50. - Fan. in file H2H | ||
| scan0232 | Instruction to remove a dashboard from its chassis to be prepared for strengthening plates. | ||
| View original record | 400. To HPS. Rm/FD.9/JH.17.10.38. 9.B.5. We know from experience with 8.B.5. that it is useless to proceed with the body mounting with the dashboard in its present condition. By/JA. is preparing a… | ||
| scan0233 | Confirming plans for building experimental cars B.50 and B.III, including details on the B.10 prototype and engine specifications. | ||
| View original record | 400 also 1260, 800, 666, HPS. from Rm. c. Rm/Gry. c. Rm/Swdl. Rm10/R.18.10.38. EXPERIMENTAL CAR WORK. Confirming our conversation, we are very anxious to build some B.50 and B.III motor-cars. The most… | ||
| scan0234 | Manufacturing and testing of engine components like camshafts and cylinder heads. | ||
| View original record | -2- We do not want to stop experiments on cast iron camshafts, but should like sufficient steel shafts to be made to cover all engines. This will avoid hold ups. If these are brought up to the point… | ||
| scan0235 | Reminder to reply to criticisms and provide data regarding engine revs and road speeds. | ||
| View original record | 400 To Rm. from Sg., re B.III. Sg1/E211038 Referring to Cxl/KW10.10.38 this is just to remind you that, although we discussed it, you promised to reply to Cx's criticisms and give the data in regard… | ||
| scan0236 | Comparing the performance and engine characteristics of the Bentley III against other models. | ||
| View original record | SECRET. Sg. from Rm. c. Hs. c. By. c. C. c. Cx. c. Hly. re: BENTLEY III. / 400 . With reference to Cx1/KH10.10.38., dealing in order with the points raised:- Performance. We find that the best way of… | ||
| scan0237 | Technical evaluation report on vehicle performance and design features, including cornering, suspension, and interior elements. | ||
| View original record | -2- Cornering Ability. We do not understand why the car should not be expected to skid if rapid cornering was indulged in on a wet road. Suspension. Unfortunately, the means of measuring riding… | ||
| scan0238 | Drawing of a rear height control valve casing assembly. | ||
| View original record | ALTERATION TABLE: ALT. NO. | ALTERATION | ISS. 423/SK | SHRINK REF B.P. RAISES 12714/REP | SEE ALTn SHEET | 2 12883/REP | SEE ALTn SHEET | 3 13963/REP | SEE ALTERATION SHEET. | 4 M 15000/REP | SEE… | ||
| scan0239 | Limited impact of a small engine size increase and the logistics of testing with the single available experimental car. | ||
| View original record | -3- Rml/R.25.10.38. Engine Size. We do not consider that increasing the engine dimensions by a quarter of a litre would make a noticeable improvement in the performance of the car. The difference it… | ||
| scan0240 | Request to detail designs for a cast iron engine for a B.III model. | ||
| View original record | 400. By/NS. from Rm. Rm6/R.26.10.38. Will you please detail designs to E.C.D. 785 so that we can get a cast iron engine in a B.III as soon as possible. Rm. | ||
| scan0241 | Arrangements for testing a B.III car and comparing its performance against other overdrive models. | ||
| View original record | SECRET. 400 S/W. -> Rm. c. to Sg c. " Hs c. " Ev c. " C c. " Bly BENTLEY III Cx1/KW28.10.38. Dict.27.10.38 With regard to the last paragraph of Rm1/R25.10.38, would it be possible for you to arrange… | ||
| scan0242 | Typed memorandum discussing disappointment with a car's performance, speed, and ride quality. | ||
| View original record | - 2 - It was therefore not unnatural that we should be somewhat disappointed with the performance of this car as indicated by (a) the speedometer,and (b) the revolution counter. Thank you also for… | ||
| scan0243 | The availability of car B.III and a planned demonstration of defrosters. | ||
| View original record | W/S. Cx. from Rm. c. Sg. c. Hs. SECRET. 4050. Rm2/R.29.10.38. With reference to Cxl/KW.28.10.38., we will do our best to have B.III available on Wednesday, November 9th. We cannot guarantee the car… | ||
| scan0244 | Secret memorandum discussing vehicle roof heights, headroom, and suspension modifications for model B.III. | ||
| View original record | SECRET Sg. from Rm. Rm1/R.29.10.38. re: B.III. With reference to Sg1/E.27.10.38., the respective heights from the ground to the outside top of the roof when the cars are empty are:- 6.B.IV or 'M'… | ||
| scan0245 | Comprehensive specification sheet for the 10.B.V. model, detailing components for the gearbox, rear axle, and brakes. | ||
| View original record | H50. To HFS. from MM/Cr. c. By. c. Da. c. By/Hs. c. By/CML. c. By/HEB. c. By/CS. c. By/JD. Rm/Cr.1/BH.1.11.38. SPECIFICATION 10.B.V./1. Herewith a comprehensive specification for 10.B.V. Gearbox.… | ||
| scan0246 | Specification sheet detailing parts for the rear brakes, servo, hand brake, and suspension systems. | ||
| View original record | -2- Rear. Rear Brakes FD.141. Equaliser OCD.897. Rods Ocs.892/3/4/5. Steadies OCD.752. Adjuster OCD.770. Pedals FOD.855. Pull off springs FD.202. Stiffening plate FD.275, OCS.892. Servo. Servo FD.211.… | ||
| scan0247 | Specification sheet detailing parts and instructions for various vehicle systems. | ||
| View original record | -3- Suspension. Rear - Cont'd. Spring shackle FCD.912. Locating screw threaded bushes FCD.852. Sliding control SCD.819/20. Dampers. R.R. type. Valve specification later. Rear roll rod. Scheme later.… | ||
| scan0248 | Specification sheet listing components for the cooling system, dashboard, and electrical equipment. | ||
| View original record | -4- Rm/Cr.1/BH.1.11.38. Cooling System. Radiator ... as 9.S.V. Fan......... to SCD.887. Water Pump.. as 8.S.V. and 9.S.V. Bonnet...... as 9.S.V. Undersheets. as 8.S.V. Starting Handle .. as 8.S.V.… | ||
| scan0249 | Comparing the body dimensions of a Vauxhall 10 against a model designated B.3. | ||
| View original record | 400 + 1097 To Rm. From Ev. 4.11.38. re Vauxhall 10. As far as we can see the Vauxhall 10 is much smaller than B.3. in the matter of body size. We have got the following general dimensions - Vaux: 10.… | ||
| scan0250 | Secret memo regarding rescheduling a tentative appointment for a Bentley III. | ||
| View original record | SECRET. 400 S/W. Rm. Bentley III, Cx5/KW5.11.38. Re tentative appointment for Wednesday next, it occurs to me that because the days are getting very short it might suit you better if I arrived at the… | ||
| scan0251 | Arranging a road test and lunch for the Bentley III. | ||
| View original record | 400 SECRET. W/S. Cx. from Rm. Rm4/R.7.11.38. BENTLEY III. With reference to Cx5/KW5.11.38, if you can get to the Works at 12.30. on Wednesday next we could take B.III out with your Trials car, and… | ||
| scan0252 | Cover letter for a blueprint related to the Bentley III chassis (10-B-V) specification. | ||
| View original record | To. HPS/WRC, c. Rm/Gry. c. BY/NS. 400 BY/CRL.1/E.10.11.38. BENTLEY III. CHASSIS. (10-B-V.) Please receive herewith one blue print of the following :- GB.3909. Index Sheet of LOP's. Sheet 1. which… | ||
| scan0253 | Comparative test report on the Bentley B.III and B-4-MR, focusing on suspension and performance. | ||
| View original record | SECRET. Sg. c. to E. c. " Hs. c. " BX. c. " Rm. c. " Bly. Bentley III. Cx2/KW/11.11.38. Written 8.11.38. In company with Messrs Rm, Mx and Dodds I was able to try another B.III today, and to make some… | ||
| scan0254 | Car body comfort and dimensions, focusing on the rear floor, seating, and overall height. | ||
| View original record | - 2 - Cx2/KW11.11.38. As regards body on B.III tried today, I found it more comfortable in the back seat than the previous one. The rear floor seemed recessed into broad shallow wells 1¾" deep, but I… | ||
| scan0255 | Secret internal memorandum discussing the pricing programme and profitability of future car models. | ||
| View original record | 400 Also in Rms Policy also L60 SECRET. By. from Rm. c. Hs. Rm5/R.12.11.38. PROGRAMME AFTER LAUNCHING B.III. We understand that, in spite of the progress made in reducing material and labour costs,… | ||
| scan0256 | Proposals for introducing new car models, including the B.50 and the B.V. chassis. | ||
| View original record | -2- (B) Introduce B.50 at £1250 with a Rolls-Royce Radiator. This leaves the position open for B.50 when it is ready, but would undoubtedly affect the Wraith market. Possibly it may be considered too… | ||
| scan0257 | To resolve a naming confusion by renaming the new Bentley car model 'B.III' to 'B.V'. | ||
| View original record | 400. [Distribution List Column 1] Rm/Gry Rm/AFM. Rm/NRO.wn Rm/PJH. Rm/Swdl. Rm/RC. Rm/Gr. [Distribution List Column 2] Rm/[text crossed out] Rm/wym. Sow Rm/GTS. Rm/GR. ok/9/38 Rm/JBD. Rm/IMW Ro.… | ||
| scan0258 | Meeting to decide on parts release for the B.V. motor-car after a 15,000-mile test. | ||
| View original record | HSO abo 1260 Rm/Gry. from Rm. Rm/APM. Rm/NRC. Rm/FD. Rm/Std. Rm/Wym. Rm/Swdl. Rm/JBD. Rm/FJH. Rm/CTS. Rm/RC. Rm/GR. Rm/IMW. Rm/Cr. Rm2/R.24.11.38. There will be a meeting at 8.30 a.m. to-morrow at the… | ||
| scan0259 | Proposal to release a specification to AEC for tooling and jigs for 50 chassis, with a warning about future alterations. | ||
| View original record | To Ry. from HM/Cr. a. Ex. c. Ry/JB. c. Ry/BSH. c. Ry/CB. c. Ry/AS. c. Ry/CML. E. Exp. Testers. 400. HM/Cr.10/HH.30.11.38. Herewith a specification which it is proposed to send to AEC. showing what… | ||
| scan0260 | Parts status list for Section D components, including part numbers and production notes. | ||
| View original record | Em/Cr.17/RR.30.11.38. Sec. D. L.O.P. 7190 Instrument Board To be held up. 7290 Batt. Box & Fittings To be held up. 7360 Wiring & Fittings To be held up. Starter motor complete. To be held up. 8000… | ||
| scan0261 | List of engine component specifications and status updates, including part numbers and assembly instructions. | ||
| View original record | -2- BM/Cr.17/ML.30.11.38. Sec. D. B300 Petrol Pump L.O.P. To be held up. B310 Pet. Reserve Tap. To be held up. Sec. E. 5000 Crankcase & Brgs. EW1831 As up-to-date Wraith including features peculiar to… | ||
| scan0262 | List of engine components with corresponding part numbers and status notes. | ||
| View original record | -3- hm/Cr.17/HH.30.11.36. Sec. E. L.O.P. 3090 Camshaft EB3569 Camshaft EB3486. Camwheel as up-to-date Wraith. 3100 Dynamo Drive To be held up. 3101 Water Pump Drive EH1526 As L.O.P. 3120 Governor… | ||
| scan0263 | List of vehicle components with corresponding part numbers and status updates. | ||
| View original record | -4- Sec. F. L.O.P. 6151 Front Brake Equal. Gear FB4022 FCD.762 stiffener Front brake gear. 7000 Frame and Fittings FB3658 FB4211 Including FD295 strong-thened frame. To include starting handle bracket… | ||
| scan0264 | List of vehicle components with their status and associated part numbers, divided into sections. | ||
| View original record | -5- HM/CR.17/MR.30.11.38. Sec. F. L.O.P. 7100 Front Shock Damper FB4280 Including FC8948. Uncontrolled valve. 7109 Pres. ppg. gov. cont. No scheme settled. 7400 Spanners and tools. 7166 Front… | ||
| scan0265 | List of sequential modifications to brake, hub, and under-chassis components. | ||
| View original record | -6- RM/Cr.17/AD. 10.11.38. Seq. O. L.O.T. 6150 Rear brake Equal. Gear GB4236 GCD.897 Rear brake inter shaft. 6152 Front brake inter lever. GB4088 FCD.910 Front brake damper. Lever in N/S. 6160… | ||
| scan0266 | Production delays and material release schedules for the Bentley V chassis ahead of the 1939 Motor Show. | ||
| View original record | SECRET. HSO RHC. from Rm. c. Hs. By/HEB. c. Ey. By/CS. c. Da. By/RD. c. RHC/SB. By/NS. c. RHC/G/Mc. By/CRL. c. By/JD. Roy/Les. Rm4/R.30.11.38. With reference to the release of material for 50 Bentley… | ||
| scan0267 | Specification for a Bentley V experimental production chassis, listing parts and their release status. | ||
| View original record | To RRC. from Rm/Cr. c. By. c. Hy/MLS. c. Lc. c. Hy/CS. c. RRC/SS c. Hy/AD. c. RCR/GMC. c. Hy/HS. c. RC/RG. c. HY/CBL. c. Rep/Les. Rm/Cr.V/MF.2.12.38. SPECIFICATION FOR 50 BENTLEY V EXPERIMENTAL… | ||
| scan0268 | List of electrical and engine components with their part numbers and status notes. | ||
| View original record | EB/CP.1/PR.2.12.38. L.C.P. Sec. B. 8070 Dynamo Armature DB1762 To L.C.P. 8080 Brg. Bkt. DB1764 To L.C.P. 8090 Commutator DB1759 To L.C.P. 8100 Frame & Field Wndg. DB1792 To L.C.P. 8110 Dynamo… | ||
| scan0269 | Parts list with specifications and status updates for various engine components. | ||
| View original record | -3- Sec. R. L.C.F. 5030 Connecting Rod EB4192 Normal machined "all over" con. rods. 5040 Piston To be held up. 5050 Cylinder EW1379 To include Cyl. Head (mod. cores) EW1922. Cyl. block (mod. cores)… | ||
| scan0270 | Typed list of vehicle components with part numbers and instructional notes. | ||
| View original record | -4- Sec. E. 5204 Oil Sump Indic. EW1610 As L.O.P. Mod. to embossed label. 5205 Relief Valves EW1470 As L.O.P. 5208 Wire Fittings H.F. EW1288 To L.O.P. 5220 Fan EB4399 As L.O.P. but blades in… | ||
| scan0271 | Parts list status report for sections F and G, detailing component numbers, part numbers, and their current status. | ||
| View original record | AE/Gr.1/DE.2.12.38. Sec. F. L.G.P. 7080 Petrol Tank FCD.1083 (replaces crossed out text 'to be held up.') 7100 Pedals (crossed out) FB3797 Simple pedals FCD1098. 7130 Dashboard & fittings To be held… | ||
| scan0272 | List of modifications and statuses for various vehicle components. | ||
| View original record | -6- Sm/T.1/XR.2.12.38. Sec. C. L.C.F. 6070 Reverse Gear To be held up. 6080 Change gear & brake To be held up. mech. 6081 Hand brake mech. GB4205 To L.C.F. 6091 Rear brake inter. GB4348 To L.C.F.… | ||
| scan0273 | The material composition and required Brinell hardness for Bentley V front suspension levers. | ||
| View original record | Rm. Rm/APM. Rm/CR. Da. BY/HEB. BY/Ald. Cgh/EM. Handwritten: 400 . BY/NS.12/G.2.12.38. 15s Billet £13n 15s LES what does this mean in cost? Rm BENTLEY V. FRONT SUSPENSION LEVERS. RE: MEMO… | ||
| scan0274 | Notification about a modification to the oil level indicator for the Bentley lll and Wraith lll models. | ||
| View original record | Handwritten Text: Top Left: File BT/NS. [crossed out] c. Rm. [crossed out] c. Rm/IMW. [crossed out] Top Middle: H50. Top Right: Soll [crossed out] Typed Text: DA.1/G.7.12.38. BENTLEY lll - OIL LEVEL… | ||
| scan0275 | Change in dashboard specifications for specific car models. | ||
| View original record | To HPS. c.c. to By/JD. c.c. to By/MC. c.c. to By/HEB. Rm/Cr.8/JH.12.12.38. DASHBOARD SPECIFICATIONS. It has been decided to fit the latest sloping dashboard to 30.G.VIII and 10.B.V. instead of the… | ||
| scan0276 | Bentley V production having fallen behind schedule and the importance of adhering to it. | ||
| View original record | HY. Jun. From RHC. c. G.Mc. 400? RHC.3/FH.13.12.38. BENTLEY V. Attached herewith is a copy of a note from G.Mc. which shows that Bentley V. has rapidly gone behind Schedule. We would like to mention… | ||
| scan0277 | Complaining about delays in ordering 50 Experimental Production sets for the Bentley V model. | ||
| View original record | COPY To. RHC. From RHC/G.Mc. RHC/G.Mc.1/MC.12.12.38. BENTLEY V. After numerous memos and visits pressing for the D.O. to maintain the Schedule for the above, it was decided at a conference on the… | ||
| scan0278 | The priority and progress of instructions for 50 sets of material for the Bentley V. | ||
| View original record | 400 RHC. Rm. c. RHC/GMc. BY.26/N.16.12.38. BENTLEY V. --------- Referring to your memo RHC3/FH.13.12.38, and the attached copy of RHC/G.Mc.1/MC.12.12.38, 800 file we are doing all we possibly can to… | ||
| scan0279 | Calculation of vehicle speed increases based on changes to BHP, frontal area, and weight. | ||
| View original record | H50. also 1380. To Rm. COPY FOR FILES. Rm/TAS.22/JH.22.12.38. Given a max. lap speed of 88 m.p.h. with 128 clutch B.H.P. it is estimated that 160 clutch B.H.P. would give an increase of 7½% i.e. to… | ||
| scan0280 | The specification and parts for car 9.B.V. destined for France. | ||
| View original record | To Rm/AFM. from Rm/Gry. Rm/Std. Rm/TMW. Rm/NRC. Rm/FD. Rm/Swdl. Rm/CTS. Rm/Cr. Rm/Glt. Rm/RC. Rm/JBD. Rm/PJN. Rm/wyn. Rm/Cr 400 Flywheel Rim Rm 570 Disc GB-4417 Friction Plate GB-4416 10" Borg Clutch.… | ||