Rolls-Royce Archives
| Identifier | Entry | ||
| scan0001 | Blueprints and production instructions for Bentley 111 induction pipes. | ||
| View original record | HPS. c. Rm. c. Rm/CTS [Struck through] 2008. BY/Ald.6/G.16.11.37. 408. BENTLEY 111 - SECTION 5070. INDUCTION PIPES. Please receive herewith two blueprints of the following, together with an extra… | ||
| scan0002 | Proposing alternative induction pipe designs for the Bentley III engine for comparative testing. | ||
| View original record | To HPS. from Rm/CTS. 200B Rm/CTS.9/MH.22.12.37. 4083 BENTLEY III. The induction system laid down by the design dept. as shown on the drawing ECD.165. When this design was made, our suggestions were… | ||
| scan0003 | Technical memorandum detailing the requirements and outstanding points for the Bentley III induction system. | ||
| View original record | 8 To By. from Rm/CTS. 200b Rm/CTS.6/MH.7.3.38. 408 BENTLEY III. INDUCTION SYSTEM. We have reached a stage in our development where we can say what is required for the above section. Induction pipe. As… | ||
| scan0004 | To stop further design work on an existing induction system and delay drawings for the final Bentley III induction system. | ||
| View original record | -2- Rm/CTS.6/MH.3.3.38. The reason for this memo is to stop any further design work on the existing designed induction system, and it is suggested that drawings of the final Bentley lll induction… | ||
| scan0005 | Requesting the replacement of the induction system on car 7.B.V. | ||
| View original record | γ 408, To HPS. from Rm/CTS. Rm/CTS.7/MH.30.3.38. 7.B.V. While this car is in the shop, will you please remove the induction system, and replace it with one to be supplied from the test bed engine. The… | ||
| scan0006 | Request to manufacture a new, larger vent pipe for a Bentley III to prevent carburettor flooding. | ||
| View original record | 408. To HPS. from Rm/GR. Rm/GR.2/JH.7.4.38. 7.B.V. Bentley III. Will you please make a vent pipe (.250 outside dia) for the above car. The existing one is too small in the bore in conjunction with the… | ||
| scan0007 | Inspection report on the Bentley III S.U. Carburetter High Pressure Pump, detailing issues with flooding and component finish. | ||
| View original record | COPY FOR FILES. 408. 26th. April 1938. BENTLEY III. S.U.Carburetter High Pressure Pump .125 needle seating. level set 1/16" below top of jet tube. SG of fuel .745. Thrust requd. at needle to destroy… | ||
| scan0008 | Suggested specification for a Bentley III induction system, proposing to combine mixture and automatic controls on one drawing. | ||
| View original record | c.To Rm/7D + IMW. 408 Rm/CTS.9/JH.28.4.38. Attached is a suggested specification for Bentley III induction system. This proposes laying down both mixture controls and the automatic device on one… | ||
| scan0009 | Specification document detailing modifications to the Bentley III induction system. | ||
| View original record | 121 Rm/CTS.9/JH.28.4.38. BENTLEY III INDUCTION SYSTEM. Suggestion Latest Specification. Induction pipe EB.3477-8 to be modified as follows - Carb. flanges. Stud centres etc. altered to suit H.4 type… | ||
| scan0010 | Scheme for testing mixture controls and an automatic device prior to a 10,000-mile test. | ||
| View original record | (3) Rm/CTS.9/JH.28.4.38. NOTE. This is a further memo. to Rm/CTS.6/MH.7.3.38. and it will be seen, that the suggestion is to have one complete scheme, using both mixtures controls and the automatic… | ||
| scan0011 | The specification for the Bentley 111 induction system and carburetter. | ||
| View original record | H 08. c. Rm. BY.18/G.5.5.38. BENTLEY 111. INDUCTION SYSTEM AND CARBURETTER. The specification outlined under Rm/CTS.9/JH.28.4.38. seems to be the most rational method of dealing with the problem, as… | ||
| scan0012 | Issues and proposed modifications for Bentley III carburettors. | ||
| View original record | correspondence sent C.O. By 408 To By. C. to Da. Rm/CTS.14/JH.6.5.38. BENTLEY III CARBURETTORS. Further to our memo. Rm/CTS.9/JH.28.4.38. attached is the latest information from the S.U. Co.… | ||
| scan0013 | Comparative test report on four different induction systems for the Bentley III and Bentley 30 models. | ||
| View original record | 808 also 408 To By. c. to Hs. c. to Da. c. to Da/JH. c. to Sm/CH. Rm/CT.S/JH.10.5.38. INDUCTION SYSTEM. BENTLEY III AND BENTLEY 30. We have carried out a series of comparative tests to determine the… | ||
| scan0014 | Technical comparison between Stromberg and S.U. carburettor systems, focusing on part-throttle correction and the effects of mixture pulsation. | ||
| View original record | -2- RM/CTS.8/JH.10.5.38. The two different types of Stromberg carburettors can be initially set to give whatever correction is needed at part throttle, and the twin choke Stromberg does not give… | ||
| scan0015 | Analysis of engine test results regarding part throttle correction, mixture settings, and induction pipe design. | ||
| View original record | -3- Rm/CT.8/JH.10.5.38. IJO This means therefore that for a given full throttle mixture setting, a weakening effect is evident at part throttle. So it follows that the degree of part throttle… | ||
| scan0016 | Power and B.M.E.P. performance graph for a 4 1/4 Litre Bentley engine. | ||
| View original record | 4 1/4 LITRE BENTLEY POWER S 40 COMP. RATIO 6.3 (EW. 1296) B III IND N - SYSTEM (2 H4 SU CARBS) ⓐ NO RESTN. ⓑ 500 RESTN. ⓒ 375 RESTN. B.H.P. B.M.E.P. R P M | ||
| scan0017 | Power curve graph for a 4 1/4 Litre Bentley engine comparing two different induction systems. | ||
| View original record | 4 1/4 LITRE BENTLEY POWER S 32. COMP. RATIO- 6.3:1 (E.W. 1296) ① STD. WRAITH INDN. SYSTEM (SINGLE D.C. 42 STROMBERG) ② AS ① BUT WITH SINGLE HORIZONTAL S.U. B II Nọ 1 UNIT SPEC:- REDLINE PETROL… | ||
| scan0018 | Power curve graph for a 4 1/4 Litre Bentley engine comparing two different induction systems. | ||
| View original record | 4 1/4 LITRE BENTLEY. POWER COMP. RATIO 6.3 : 1. (EW 1296) ① STD. WRAITH INDN. SYSTEM (SINGLE DC.42 STROMBERG) ② EX 27980 INDN. PIPE WITH DUPLEX CARB. (TYPE A.A. 25 DOWNDRAUGHT STROMBERG) H.P. B.M.E.P.… | ||
| scan0019 | Graph illustrating part-throttle fuel economy for a 4¼ Litre Bentley engine, comparing different carburettor systems. | ||
| View original record | 4¼ LITRE BENTLEY PART THROTTLE FUEL ECONOMY S.34 COMP. RATIO 6.3 - 1 (E.W.1296) ① STD. WRAITH IGN. SYSTEM (SINGLE D.C.42 STROMBERG) ② AS ① WITH SINGLE HORIZONTAL S.U. CARB. ACTUAL MIXTURE THROTTLING… | ||
| scan0020 | Graph showing fuel economy at part throttle for a 4 1/4 Litre Bentley engine. | ||
| View original record | 4 1/4 LITRE BENTLEY PART THROTTLE FUEL ECONOMY S. 35 COMP. RATIO 6.3:1 (E.W. 1296) NON. PIPE E.B.3477-8 2 H4 S.U. CARBS ① IDEAL MIXTURE FOR 'ROAD LOAD' ② ACTUAL MIXTURE THROTTLING BACK FROM FULL… | ||
| scan0021 | Graph comparing the fuel economy of two different induction systems for a 4 1/4 Litre Bentley. | ||
| View original record | 4 1/4 LITRE BENTLEY PART THROTTLE FUEL ECONOMY S.36 COMP. RATIO 6·3:1 (F.W. 1296) ① STD. WRAITH INDN. SYSTEM (SINGLE D.C. 42 STROMBERG) ② EX. 27980 INDN. PIPE WITH DUPLEX CARB. (TYPE A. A. 25… | ||
| scan0022 | Graph comparing part throttle fuel economy against engine RPM for two different induction systems on a 4 1/4 Litre Bentley. | ||
| View original record | S 37 4 1/4 LITRE BENTLEY PART THROTTLE FUEL ECONOMY COMP RATIO 6.3 : 1 (E.W. 1296) T: STD. WRAITH INDN. SYSTEM (SINGLE O.C 42 STROMBERG) B: B II INDN. SYSTEM (2 W4 S.U. CARBS) IDEAL PART THROTTLE… | ||
| scan0023 | The need to mock-up parts and make design changes to the Bentley III induction system. | ||
| View original record | 408 To By. from Rm/Swdl. c. Da. c. Da/Mcs. c. By/CS. Rm/Swdl.3/MH.30.5.38. BENTLEY III INDUCTION SYSTEM. We are at the present time in the position of having no control details or induction pipe… | ||
| scan0024 | Producing a mock-up induction system for the Bentley III engine, incorporating a new automatic S.U. carburetter. | ||
| View original record | To HPS. from Rm/CTS. c. Rm/IMW. c. Rm/FD. γ 408 Rm/CTS.1/MH.22.6.38. INDUCTION SYSTEM - BENTLEY III. We have available the latest type of automatic S.U. carburetter for the above engine. The necessary… | ||
| scan0025 | The effect of intake air temperature on the power, detonation and carburation of a Bentley III unit. | ||
| View original record | 408 To Hy. c. to Da. c. to Da/JNR. c. to Da/Mc Stay. c. to Rm/FD. c. to Rm/IMW. RM/CTT.S/JH.11.8.38. BENTLEY III. Intake Air Temperature. PURPOSE OF TEST. To determine the effect on power, detonation… | ||
| scan0026 | Graph showing Power & Detonation performance against Intake Air Temperature for a Bentley III engine. | ||
| View original record | BENTLEY III S.50. JULY. 1938. POWER & DETONATION. INTAKE AIR TEMP. UNIT B.3. No. 1. COMP: RATIO 7:1. (E.W. 1296) (.100 OFF FACE) CAP. 119 ccs. IN. VALVE 1-60 E.W. 1429 Ex. " 1-40 E. 61299 PISTONS:… | ||
| scan0027 | Blueprint chart of a Bentley III engine showing power and detonation characteristics against RPM and ignition advance. | ||
| View original record | BENTLEY III; POWER & DETONATION; S.51.; JULY. 1938.; UNIT. B.3. No: 1; INTAKE AIR TEMP.; COMP. RATIO 7:1 (E.W.1296) (100 OFF FACE); IN. VALVE 1-60 E.W.1429; EX. VALVE 1-40 E.61299; PISTONS R.M. 522… | ||
| scan0028 | Essential alterations to float-chamber components for the Bentley III & B.50 chassis. | ||
| View original record | 408 also 808 To Da. from Rm/GR. c. c. to Da/McS. Rm/GR.21/JH.18.8.38. BENTLEY III & B.50. Will you please note that it is essential for the above chassis to be fitted with floatchamber needle seatings… | ||
| scan0029 | Proposed modifications to the Bentley 111 starter carburetter unit to eliminate air intake whistle and prevent fire risk from petrol spillage. | ||
| View original record | BV/EC c. RM/IMW. 408 DA.1/G.19.8.38. Noted BENTLEY 111 - STARTER CARBURETTER UNIT. Please receive herewith :- E.CD.835 Air Silencer and Petrol Catch Bowl for Starter Carburetter - Bentley 111. In… | ||
| scan0030 | Blueprint graph comparing the power output curves for the Phantom III and Bentley III engines with open exhausts. | ||
| View original record | POWER OUTPUT PHANTOM III AND BENTLEY III OPEN EXHAUST CURVES. PH. III 7.3 LITRES 6.5:1 RATIO BEN. III 4.25 LITRES 6.5:1 RATIO PH. III. DUPLEX CARB. 1 PER BANK 6. BEN III. TWO SEPARATE S.U. CARBS.… | ||
| scan0031 | Issues with the Bentley III induction system and the need to expedite testing on the newly designed version. | ||
| View original record | 408 To HPS. from Rm/CTS. Rm/CTS.3/MH.1.11.38. B.III INDUCTION SYSTEM. The Bentley III chassis available at present including the one in France (8.B.V.) are fitted with "mock up" induction pipes. We… | ||
| scan0032 | B.V. Induction System and a decision on automatic carburation for the Bentley V. | ||
| View original record | 408 To HPS. from Rm/CTS. Rm/CTS.2/MH.21.11.38. B.V. INDUCTION SYSTEM. Further to our memo Rm/CTS.3/MH.1.11.38, we have been given one more week in which to decide whether or not we are having… | ||
| scan0033 | Issues with banjo connections on the Bentley V induction system petrol pipes. | ||
| View original record | 408 To By. c. to Da. Rm/CTS.18/JH.29.11.38. Bentley V. Induction System. Petrol Pipes EB.4264. With reference to the petrol connections shown on the above drawing. There is a banjo connection to the… | ||
| scan0034 | Request to produce a modified detail drawing for Bentley V induction pipes. | ||
| View original record | 408 To By/Ald. Rm/CTS.2/JH.2.12.38. BENTLEY V INDUCTION PIPES. LOP.EB.4233. Will you please produce a detail drawing, mod - ifying the above induction pipe as follows - (a) Main bore to be 1.750 dia.… | ||
| scan0035 | Order of copper and asbestos washers for testing on the Bentley V. | ||
| View original record | 408 To Roy. c. to G/JWH. Rm/GR.9/JH.9.12.38. Will you please order from J. Payon Co. - 4 doz. copper and asbestos washers size 17 x 22m/m, the semi circular copper ring to be an inner seal with the… | ||
| scan0036 | Confirming the issue of four blueprints for an Inlet Pipe (Ex.S.1346) for the Bentley V. Chassis. | ||
| View original record | 408 HPS C. Rm. C. Rm/CTS. BY/Ald.1/g.30.12.38. BENTLEY V. CHASSIS. INLET PIPES - SECTION 5070. Please receive herewith four blueprints of the following :- Ex.S.1346 Inlet Pipe - 1/off. This is as… | ||
| scan0037 | Requesting instruction to release altered drawings for the B.V. Induction System, deleting automatic devices and retaining hand control. | ||
| View original record | 408 To By. c. to Da. Rm/CTS.4/JH.25.2.39. B.V. Induction System. The drawings have now been altered deleting the automatic devices, and retaining the hand control. This has not yet been officially… | ||
| scan0038 | The issue of blueprints for a modernised induction pipe (EXS.1507) for the Bentley V chassis. | ||
| View original record | 408 C. Rm. [REDACTED] By/Ald.1/AW.1.3.39. BENTLEY V CHASSIS INLET PIPES - SECTION 5070 Please receive herewith 4 Blue Prints of the following:- EXS.1507 - Induction Pipe. 1 off This pipe has a 1.750… | ||
| scan0039 | Cancelling instructions for a hand mixture control and reverting to the automatic starting carburetter. | ||
| View original record | 408 To By. from Rm. c. Da. c. Rm/CTS. c. By/HS. c. By/CS. c. Rm/IMw. c. By/HEB. c. Rm/GH. Rm.1/MR.13.3.39. B.S. INDUCTION SYSTEM. As a result of preliminary tests carried out on the hand mixture… | ||
| scan0040 | Issuing blueprints for a Support Bracket for the Carburettor Air Silencer on a Bentley V Chassis. | ||
| View original record | 408 H.S. c. Rm. O. Dpt/CTS. By/Ald.2/AW.17.3.39. BENTLEY V CHASSIS. CARBURETTOR AIR SILENCER - SECTION 5082. Please receive herewith 2 blue prints of the following:- EXS.1538. Support Bracket for Air… | ||
| scan0041 | Modifications to the engine controls for the Bentley V model. | ||
| View original record | 408 c. Rm. c. Rm./Gedl. c. Rm./DED. DA.1/G.21.3.39. BENTLEY V. ENGINE CONTROLS. _____________________________ Please receive herewith :- E.CD.1260 Modified Engine Controls. B.V. In view of the… | ||
| scan0042 | Agreeing to proposals concerning the B.V. Induction System. | ||
| View original record | 408 Rm. Da. c. BY/CS. c. BY/HEB. -------- BY.3/N.22.3.39. --------- B.V. Induction System. -------------------- Referring to Rm.1/MH.13.3.39, kindly note I agree to the proposals, and instructions… | ||
| scan0043 | Request for a revised scheme for the B.V. Induction System to incorporate fully automatic mixture control on S.U. carburettors. | ||
| View original record | 408) 400c.cond 1484 To By. c. to Da. c. to Da/McS. Rm/CTS.2/JH.1.4.39. B.V. Induction System. (Continental). At the present time, it is intended that we should go for fully automatic mixture control… | ||
| scan0044 | Specification sheet for the S.U. Carburetter Type H.4 with an automatic starting device. | ||
| View original record | BY. DA. Rm. (struck through) Rm/CES. (struck through) BY/GS. (struck through) Rm/GR. (struck through) 408. BY/NS.10/G.19.4.39. B.5. S.U. CARBURETTER. RR.SPECIFICATION NO.B.5/3. S.U. SPECIFICATION NO.… | ||
| scan0045 | Modification to the throttle controls on the Bentley V engine to cure a persistent rattle. | ||
| View original record | 408³ Please pass on to File To: BY/NS... from Da. c. Rm c. Rm/NRC R Wyman c. Da/JD WYMAN <- Da.19/N.21.4.39. Fay The detail are now in hand in E dept WAP BENTLEY V ENGINE - CONTROLS.… | ||
| scan0046 | Modification of throttle controls for the Bentley V engine to cure a rattle. | ||
| View original record | 408 To: BY/NS... from Da. c. Rm. c. Rm/NRO. c. Da/JD. Da.19/N.21.4.39. BENTLEY V ENGINE - CONTROLS. Please receive herewith: E.CD.1312 - Modified Throttle Controls - Bentley V. Although the hand… | ||
| scan0047 | Instruction to hold up the supply of S.U. Carburetter and Induction Pipe for the Bentley 5 model. | ||
| View original record | 408 To: BY/SS. Rm. BY/NS.8/MG.26.4.39 BENTLEY 5 CARBURETTER - INDUCTION PIPE Please hold up the S.U.Carburetter and Induction Pipe after the first 50 chassis. BY/NS. | ||
| scan0048 | Proposing a modified throttle control scheme for Bentley V cars for production. | ||
| View original record | 408 + Hood To By. c. to Da. c. to Ba/Mos. c. to By/N. Am/Wym.10/JH.3.5.39. BENTLEY V THROTTLE CONTROL. We have had the modified throttle control scheme to RCB.1312 fitted up on 9.B.V. car by the… | ||
| scan0049 | Requesting a drawing for an alteration to the Bentley V automatic carburation system to improve fuel distribution. | ||
| View original record | 408 To Da. Rm/CTS.2/JH.12.5.39. BENTLEY V AUTOMATIC CARBURATION. We have been carrying out tests on the above with a view to improving the distribution to the main induction pipe, from the starting… | ||
| scan0050 | New design for a Bentley V induction manifold with a cast-in starter passage. | ||
| View original record | BY/NS. 408 DA.5/G.25.5.39. c. Rm. c. Rm/CTS. c. Rm/GR. BENTLEY V. INDUCTION MANIFOLD WITH CAST-IN STARTER PASSAGE. Please receive :- E.CD.1382 Induction Manifold with Cast-in Starter Passage. Bentley… | ||
| scan0051 | Modifications to the Bentley V S.U. starter carburetter to prevent it from freezing up. | ||
| View original record | BY/NS. c. Rm. c. Rm/GR. c. Rm/GTS. 408 DA.9/G.25.5.39. BENTLEY V. MODIFIED S.U. STARTER CARBURETTER TO PREVENT FREEZING UP. Please receive herewith :- E.CD.1386 Modifications to S.U. Starter… | ||
| scan0052 | Modification of the induction pipe and starter carburetter connections using a cast starter passage. | ||
| View original record | 408 HPS. from Rm. c. Swdl. c. CTS. c. GR. Rm4/R.2.6.39. About the only outstanding feature on B.V. which has not been instructed for the 300 sets is the induction pipe. We have had to modify the… | ||
| scan0053 | Fitting induction manifolds (EB.4995) for production confirmation trials. | ||
| View original record | 408 To HPS. from Rm/Swdl. c. HPS/RH. Rm/Swdl.13/MH.30.6.39. B.V. INDUCTION SYSTEM. Regarding the induction manifolds (EB.4995) which incorporate the cast in starter passage as soon as available should… | ||
| scan0054 | Request to revert modifications to S.U. Startex Needles due to the new design being useless. | ||
| View original record | 4.08 To HPS/WSC. Rm/GR.12/JH.10.7.39. S.U. Startex Needles B.V. 6 off. Will you please replace the original adjusting screws and also the suction discs to their original position on the above needles… | ||
| scan0055 | Requesting a report on the B.V. starting carburetter and induction pipe programme. | ||
| View original record | 408 Rm/CTS. from Rm. c. Rm/GR. c. Rm/TAS. Rm3/R.3.8.39. STARTING CARBURETTER - B.V. We are particularly anxious to have a report on the integral starting passage on the B.V. Induction pipe. This is… | ||
| scan0056 | Modification to the cast-in starter passage for the B.V. model, highlighting the process for production parts. | ||
| View original record | 408 To By. from Rm. c. Da. c. Da/McS. Rm.9/MH.22.8.39. CAST-IN STARTER PASSAGE - B.V. With reference to the attached report, will you please see that the modification necessary is carried out on… | ||
| scan0057 | Comparison of two inlet pipe designs for the B.V. induction system to improve starting mixture distribution. | ||
| View original record | To By. from Rm/CTS. c. Da. c. Da/McS. Rm/CTS.13/MH.22.8.39. B.V. INDUCTION SYSTEM. Purpose of test. To compare:- (a) EB.4995 (ECD.1382) Inlet pipe (cast-in starter passage). (b) EB.4123 (ECD.758)… | ||
| scan0058 | Modifications to induction pipes on early production Corniche units. | ||
| View original record | -2- Rm/CTS.13/MH.22.8.39. There are a number of Corniche units on production which have been passed off test, and are therefore already in chassis. These induction pipes will have to be removed and… | ||
| scan0059 | Hole to be added to the cast-in starter passage for the B.V. and Corniche models. | ||
| View original record | BY/NS. Rm. De/No S. 408 DA.3/G.23.8.39. CAST-IN STARTER PASSAGE - B.V. and CORNICHE. Referring to Rm.9/MH.22.8.39. presumably the .375" dia. hole in the diaphragm on B.V. and .437 diameter on… | ||
| scan0060 | Summary report on the disadvantages of the Bentley V. S.U. Startex Carburetter and proposed solutions. | ||
| View original record | 408 - 1036 To Ev. c. to Jnr. c. to Rm/CTS. c. to NW. Rm/TAS.14/JH.21.2.40. Bentley V. S.U. Startex Carburetter. Summary Report. The following are the leader points in the attached report - The two… | ||
| scan0061 | The disadvantages and potential modifications for the Bentley V, S.U. Startex carburetter. | ||
| View original record | -2- Bentley V. S.U. Startex carburetter. In view of the possibilities of having to fit the S.U. startex to our engines the following facts concerning its possible modification and development have… | ||
| scan0062 | Carburetter modifications and design considerations to prevent icing and improve starting. | ||
| View original record | -3- (1) Cont'd. until the annulus is only .010". To make up for this air restriction we drill two .156" dia. holes directly into the mixing chamber beneath the disc. Thus less than a quarter of this… | ||
| scan0063 | Analysis of engine starting problems, including freezing in rich positions and bad fuel distribution. | ||
| View original record | -4- Rm/TAS.14/JH.21.2.40. With regard to type (a) of freezing up in the rich position before starting, the only method of reducing the chances of this is to reduce as far as possible the contact… | ||
| scan0064 | Schematic comparing the Standard S.U. Startex with two proposed antifreeze schemes. | ||
| View original record | [ "SMALL CLEARANCE HERE MAY CAUSE FREEZING IN THE RICH POSITION BEFORE STARTING UP.", "1) STD STARTEX NEEDLE.", "2) NEEDLE DISC. ANNULUS .0225"", "3) MIXING CHAMBER.", "STANDARD S.U. STARTEX",… | ||
| scan0065 | Requesting a covering order for an anticipated charge for an instrument overhaul. | ||
| View original record | To Les/FS. LDS Rm/CTS.6/JH.28.3.40. With reference to the attached delivery note. We anticipate that a charge will be made for the overhaul of this instrument, so will you please issue the necessary… | ||
| scan0066 | Request for details on the Startex anti-freeze scheme for the Bentley V S.U. Startex Carburetter. | ||
| View original record | file 408. To Ev. c. to Jnr. c. to EV/HH. Rm/TAS.1 JH.13.5.40. BENTLEY V S.U. STARTEX CARBURETTER. We should be pleased if you would detail for us the Startex anti-freeze scheme No.1 outlined in our… | ||
| scan0067 | Freezing defect in the B.V. starting carburettor and the decision to implement Scheme 1. | ||
| View original record | Rm/HH. From Rm. c. Ev. c. Jnr. 408 Rm.13/ML.25.4.40. STARTING CARBURETTOR. B.V. The starting carburettor instructed for production on B.V. had a serious defect in that it freezes up in cold weather.… | ||
| scan0068 | Modification to the S.U. Startex carburetter to prevent freezing up. | ||
| View original record | 4087 1036 THE PARTICULARS GIVEN ON THIS MEMO HAVE NOT BEEN ISSUED. To Rm. c. to Ev. Rm/HH.1/JH.29.5.40. B.V. CARBURETTER. Section 5080. Modification to S.U. Startex Carburetter in accordance with… | ||
| scan0069 | Bentley publicity, car trials, and gearbox modifications. | ||
| View original record | To Sg. From Hm. BENTLEY PUBLICITY. Herewith some notes I gave to Mr. Montagu Tombs for his article on Hall's car. I asked him to emphasize as tactfully as he could that there was no comparison between… | ||
| scan0070 | Correspondence with S.U. Carburetter Co. Ltd. regarding throttle body distortion and potential reversion to original type carburettors for the Bentley V. | ||
| View original record | Rm.7/ET. 16th February, 1941. T.S. SKINNER Esq., S.U. Carburetter Co. Ltd., Adderley Park, BIRMINGHAM 8. Dear Skinner, Thanks for your letter of the 11th instant. If the distortion of the throttle… | ||
| scan0071 | Confirming a discussion about B.V. Carburation and potential reversion to B.II carburetters. | ||
| View original record | To: Rm/Wym. from Rm. c. CTS. Fred Hallam. TAS. 408 B.V. Carburation. Confirming the discussion held in my office on Wednesday morning. If the four road tests agreed on fail to provide sufficient… | ||
| scan0072 | The agreed test programme for carburetter performance on the Bentley V model. | ||
| View original record | 408. To Rm/Wym. from Rm. Copy to Rm/CFS. Rm/TAS. Rm/Fred Hallam Rm.2/ET.28.2.41. CARBURETTER TESTS - BENTLEY V. -------------------------------- Confirming the discussion held in Rm.'s office on… | ||
| scan0073 | Request to the S.U. Carburetter Co Ltd. for the supply of specific carburetter needles. | ||
| View original record | EXPERIMENTAL DEPARTMENT. 25th March, 1941. 408 Rm/CTS.2/ET The S.U. Carburetter Co Ltd., Adderley Park, BIRMINGHAM. 8. Dear Sirs, Will you please supply 12 off each of the following needles:- B.3.D. -… | ||
| scan0074 | Outlining the next steps for testing B.V. carburation systems. | ||
| View original record | To: Rm. from Rm/Wym. c. Rm/OTS. Rm/F.Hallam. Rm/Wym.4/RH.2.7.41. 408 B.V. Carburation. After our discussion on Tuesday, it was agreed that our next tests on B.V. carburation should be as follows :- 1.… | ||
| scan0075 | Arguing against making the Bentley III flywheel and clutch identical with the Wraith III, recommending the retention of the standard 10' clutch. | ||
| View original record | 2006 412 Da. from Rm/Smth. c. Hs. c. By. c. E/Hdy. Rm/Smth8/R.21.4.37. BENTLEY III - FLYWHEEL & CLUTCH. Re: E/Lid.1/HP.9.4.37. We do not agree to the proposal to make Bentley III flywheel and clutch… | ||
| scan0076 | Short memo regarding the specifications for the Bentley III clutch. | ||
| View original record | BENTLEY III CLUTCH. 412 10" clutch basically as at present, but ventilated Cantilever pedals, with provision for a 1" extra pedal travel. Rm/Smth. | ||
| scan0077 | The design of the clutch casing and clutch actuation for the Bentley 111 model. | ||
| View original record | [Crossed out text] C.R. Davis. C. Rm. S.H.S. Ccs/Hs/Wheeler. [End of crossed out text] [Handwritten] 209B fil 412 BENTLEY 111 - CLUTCH CASING & CLUTCH ACTUATION. Herewith is G.CD.2. Ventilated Clutch… | ||
| scan0078 | The Bentley 111 Clutch Casing and Clutch Actuation. | ||
| View original record | DA. sG. Department. GE. Department. CRm. CTB. 200B 412 Hs/JWW.5/HM. 25th August, 1937. Bentley lll - Clutch Casing and Clutch Actuation. --------------------------- We are in receipt of the drawing… | ||
| scan0079 | The clutch assembly for the Wraith III and Bentley III models. | ||
| View original record | 200B 412. To By. from Rm/NRC. Rm/NRC.7/MH.11.11.37. WRAITH III AND BENTLEY III CLUTCH. With regard to the arrg. drawing GCD.2 of the above clutches, we recommend using the Borg & Beck 11.A.3 and… | ||
| scan0080 | Modifications to the crankcase and clutch casing for the Wraith and Bentley 111 models. | ||
| View original record | [Handwritten] Crankcase 412. [Handwritten] Clutch DY/NS c. Rm. [Handwritten signature] BKY [Handwritten signature] FJH [Handwritten signature, crossed out] DA CRANKCASE AND CLUTCH CASING. Referring to… | ||
| scan0081 | Comparing a 10-inch and 11-inch clutch for the Bentley III & 50 chassis, recommending the smaller size. | ||
| View original record | 412 also 812 To By. o. to Da. Rm/NRC.18/JH.5.8.38. BENTLEY III & 50 CLUTCH. The LOP.GB.3793 and Arrg. GCD.518 call for an 11" clutch on the above chassis. We consider the 10" clutch most suitable for… | ||
| scan0082 | Instruction memo regarding the fitting of a new flexible flywheel and clutch to a chassis unit. | ||
| View original record | TO HPS. c. to Rm/FD. Rm/NRC.7/JH.9.8.38. Unit B.III.5. Chassis 8.B.V. Re the second flexible flywheel Rm.533 which is now being made, please fit this to the above unit, but with a 10" Long C.F. Clutch… | ||
| scan0083 | The flywheel and clutch, specifically changing from an 11-inch to a 10-inch clutch on Bentley units. | ||
| View original record | 412 also 812 To Da. c. to By. c. to HPS. Rm/NRC.29/JH.26.10.38. Flywheel & Clutch. B.111 & 50. The L.O.P. GB.3793 calls for an 11" clutch, which for some reason was shown on scheme GGD.518. We do not… | ||
| scan0084 | B.III and B.50 flywheel and clutch. | ||
| View original record | 412 Rm/NRC. Da 8/G. 2-11-38 B.III + B.50 Flywheel + Clutch in file 812. (in reply to memo Rm/NRC. 29/JH. 26-10-38. | ||
| scan0085 | Confirming receipt of Bentley III 'Top Dog' clutch facings and requesting an official order. | ||
| View original record | 412 also 1110 To Roy/Ms. from Rm/NRC. c. c. G/JWH. Rm/NRC.1/MH.7.11.38. RE BENTLEY III. We have received from Hubert H.P. Trist & Co., 4 - 10" x 6" "Top Dog" clutch facings as per their packing note… | ||
| scan0086 | Flywheels for B.III units numbers 6 and 7. | ||
| View original record | H12 HPS/WSC. Rm/NRC H/MH. 11.11.38. Flywheels. B.III units Nos 6 and 7. in file Hoob. | ||
| scan0087 | Confirming an agreement to fit a Wraith type standard flywheel and clutch to get an engine running, with a request for a future replacement. | ||
| View original record | J 412. To HPS. from Rm/NRC. Rm/NRC.2/MH.16.11.38. RE B.V. NO. 6. Confirming our conversation of this morning we agree to fit a Wraith type standard flywheel with 11" clutch (B & B) in order to get the… | ||
| scan0088 | Fitting a new clutch pedal mechanism to car 9.B.V. | ||
| View original record | 412 also hood. To Da. from Rm/NRC. Rm/NRC.19/JH.22.12.38. re 9.B.V. It is hoped that the above car will be ready for France early in February, and have decidedd we would very much like to fit to it… | ||
| scan0089 | To hold the sinking of dies for a Bentley V clutch pedal due to a contemplated alteration. | ||
| View original record | 412. RHC/Wld. ROY. BY/HBB. BY/GRD. Rm/NRC. BY/NS.21/G.4.1.39. file AHC BENTLEY V. CLUTCH PEDAL. LOP. FB.3797. Will you please hold up the sinking of the dies for Clutch Pedal FB.3661. The Experimental… | ||
| scan0090 | Production of B.V. Flywheels and their required components from specific forgings. | ||
| View original record | 412 To HPS/WSC. c. to Rm/Swdl. Rm/NRC.9/JH.11.1.39. B.V. Flywheels. In reply to your query as to which flywheel rim should be produced from the seven GB.4418 forgings you have, please machine as… | ||
| scan0091 | Requesting new drawings for a flexible flywheel and 10 inch clutch for experimental production. | ||
| View original record | 412 To Da. c. to By. c. to By/NS. Rm/NRC.15/JH.13.1.39. re 50 B.V. for Exptl. Production. Flywheel & Clutch etc. Sec.6000. In order to release the above section, it will be necessary to prepare the… | ||
| scan0092 | Instruction to fit a flexible flywheel with a 10' Long clutch to Unit B.V.4, Chassis 9.B.V. | ||
| View original record | ATT H12. also Hood. To HPS. c. to HPS/FS. c. to Rm/Swdl. c. to Rm/Wym. Rm/NRC.12/JH.27.2.39. Unit B.V.4. Chassis 9.B.V. Please fit a flexible flywheel with 10" Long clutch to above car as soon as… | ||
| scan0093 | Alterations for a flexible flywheel disc for a Bentley V, including a sketch. | ||
| View original record | 41R also 600c To By. Rm/NRC.8/JH.20.4.39. Bentley V. etc. re Flexible flywheel Disc GB.4417. We have recently made a disc exactly similar to the above, but thinner, as sketch below, we estimate this… | ||
| scan0094 | Requesting the preparation and testing of a new flat disc flywheel for a Bentley V engine. | ||
| View original record | H/2. To HPS. c. to HPS/RH. Rm/NRC.5/JH.26.4.39. BENTLEY V. Flywheel, Flat Disc. Please prepare a disc to Rm.589, two prints herewith. This disc is ground flat on both sides in order to reduce cost.… | ||
| scan0095 | Drawing for a special spigot bearing housing for the Bentley V flywheel. | ||
| View original record | 412 To HPS. c. to HPS/RH. Rm/NRC.3/JH.8.7.39. BENTLEY V FLYWHEEL. Herewith is drawing Rm.594 in duplicate of a special spigot bearing housing for use with the flat disc Rm.589. Please make one off. As… | ||
| scan0096 | Alteration instructions for the Bentley V. Clutch friction face, part number GB.4416. | ||
| View original record | 412. To By/CRL. c. to HPS/RH. Rm/NRC.1/JH.17.7.39. Bentley V. Clutch, Friction Face GB.4416. Please alter the above as follows :- Delete conical face, and make disc .550 thick, Fig.1. Reason to reduce… | ||
| scan0097 | Letter to Borg & Beck Co. Ltd. regarding difficulties with a new 10' Long Clutch. | ||
| View original record | 412 + 1110 EXPERIMENTAL DEPARTMENT. Rm/NRC.7/JH. 18th. August, 1939. Borg & Beck Co.Ltd., Tachbrook Road, Leamington Spa. For the attention of Mr. Armitage. re 10" Long Clutch. Dear Sirs, With… | ||
| scan0098 | Issues and agreed arrangements for the Bentley V Long 10' Clutch with supplier Borg & Beck. | ||
| View original record | To RRC/GMC. c. to Mr. Turner. c. to Mr. Crouch. c. to Mr. Parker. c. to By. c. to Borg & Beck Co. re Bentley V Long 10" Clutch. 32 clutches were returned to Borg & Beck on July 24th. with various… | ||
| scan0099 | Difficulties with balancing clutches due to flywheel hole inconsistencies and cover pressing distortion. | ||
| View original record | -2- Balancing. Some difficulty has been experienced by B.& B. in checking the balance of some of the clutches we have returned owing to the fact that we have reamed out the holes which locate the… | ||
| scan0100 | Requesting the thrust race to be changed on car 10-B-V. | ||
| View original record | To HPS/RH. 7. 482 Rm/FD.2/SW.8.4.40. 10 - B - V. Will you please arrange to have the thrust race changed on this car as soon as possible. ------------------------- Rm/FD. | ||
| scan0101 | Confirming the replacement of a failed clutch throwout bearing and modification of the trunnion housing. | ||
| View original record | 412 400 To HPS. c. to HPS/RH. Rm/FJH.3/JH.13.4.40. 10.B.V. Clutch Throwout Bearing. This is to confirm that we have asked you to fit one of the standard B.V. type throwout bearings and housings to the… | ||
| scan0102 | Testing 10' clutch discs to diagnose and resolve transmission rattle issues. | ||
| View original record | To Rm. from Rm/GB. Copy to Rm/Wym. Rm/RJH. B.V. 412 Rm/GB.1/ST.30.6.41. 10" CLUTCH DISCS. The clutch disc which caused transmission rattle on B.18.AW has been removed and tested (see attached graph).… | ||
| scan0103 | Graph plotting the results of a torsional deflection test on a 10 inch clutch disc. | ||
| View original record | TORSIONAL DEFLECTION TEST ON 10" CLUTCH DISC FROM B18AW. FRICTION LOOP DEPTH DRIVE 6 LB. FT. OVER-RUN 10 LB. FT. TORQUE LB. FT. DEFLECTION - DEGREES. DRIVE OVER-RUN B18AW HAS A FULLY FLOATING REAR… | ||
| scan0104 | Note about a connecting rod bush without shims for a Wraith III and Bentley III. | ||
| View original record | H 14 Swdl. Da 14/G. 8.2.38 Wraith III + Bentley III Connecting Rod Bush without shims file 1119. | ||
| scan0105 | Wraith III and Bentley III Connecting Rods. | ||
| View original record | 61H Rm. Da.2/G. 15.9.37 Wraith III + Bentley III Connecting Rods. in file 61H | ||
| scan0106 | Note regarding a Wraith III or Bentley III crankshaft with Packard type balance weights. | ||
| View original record | H17. Rm. Da.10/G. 18.1.38 Wraith III o Bentley III Crankshaft with Packard type balance weights. file 1116 | ||
| scan0107 | Standardisation of turned finish for Wraith III and Bentley III crankshafts following a 40hr endurance test. | ||
| View original record | 417 also 617- To By. c. to Da. c. to By/CS. c. to HLS. Rm/Swdl.4/JR.13.5.38. WRAITH III & BENTLEY III CRANKSHAFTS. Following the satisfactory 40hr. endurance completed on Bentley II with turned finish… | ||
| scan0108 | Concerning the Spring Drive and Crankshaft Damper for Wraith III, B.III and B.50 models. | ||
| View original record | H14. Rm. Da 6/G. 4.8.38 Wraith III, B.III + B.50 Spring Drive + Crankshaft Damper file 1116. | ||
| scan0109 | Specifications for the Bentley 111 cylinder head and valves. | ||
| View original record | E. Dept. (crossed out) c. to Rm. c. to HPS. (crossed out) 200B DA.12/G.7.10.37. 419. BENTLEY 111 - CYLINDER HEAD AND VALVES. It is proposed to use the Four Inlet Port cylinder head for Bentley lll… | ||
| scan0110 | Recommendations for the Bentley III cylinder head design and testing. | ||
| View original record | SECRET Hy. from Rm. O. Da. O. HPS. BENTLEY III. CYLINDER HEAD. We recommend that we instruct standard Wraith cylinder heads to be manufactured for the first three Bentley IIIs. These will of course be… | ||
| scan0111 | Order request for 6 experimental cylinder head gaskets made from Klingerit 1000 material for a Bentley III. | ||
| View original record | 2006. 419 To Roy. from Rm/Swdl. c. G/JWH. Rm/Swdl.5/AP.11.10.37 BENTLEY III. Will you please order 6 cylinder head gaskets to LW.1014 but in Klingerit 1000 material .010 thick for experimental… | ||
| scan0112 | Parts list concerning a modified fan adjustment for a Bentley 111 Chassis. | ||
| View original record | BY/GS. c. BY. c. Rm/Std. 419. BY/Ald.6/G.5.4.38. BENTLEY 111. CHASSIS. CYLINDER SECTION 5050. FAN SECTION 5220. Please receive herewith tracings of the following :- S.CD.571 Modified Fan Adjustment.… | ||
| scan0113 | Scheme to modify fan adjustment to align with the Wraith III for experimental purposes. | ||
| View original record | - 2 - BY/Ald.6/G.5.4.38. This scheme modifies E.CD.561 and brings the fan adjustment into line with Wraith lll, and should be instructed for experimental purposes. Please return S.CD.571 to this… | ||
| scan0114 | Modified fan adjustment for the Bentley III chassis, listing required and obsolete parts. | ||
| View original record | c. Rm/Std. 419. BY/CS6/EH.6.4.38. Re Bentley III Chassis - Cylinder - Section 5050. Fan - Section 5220. S.CD.571 - Modified Fan Adjustment. Please receive herewith blue prints of the following new… | ||
| scan0115 | Instructions regarding modifications to the Bentley III Chassis Cylinder Head for increased push rod clearance. | ||
| View original record | To Messrs [Struck through] [Text Struck through] c. RHO/CAR. [Struck through] c. Rm/Swdl. Handwritten: H24 419 Files BY/CS1/EH.5.7.38. Re Bentley III Chassis - Cylinder - Section 5050. E.CD.775 -… | ||
| scan0116 | Note regarding W.III & B.III cylinder blocks, referencing another file. | ||
| View original record | 419. Swell. Da.1/q. 1.9.38. W.III & B.III cylinder block. see file 1124. | ||
| scan0117 | Requesting the inclusion of modified cylinder blocks for B.III & Wraith III units to assist the foundry and create an economy in production. | ||
| View original record | c. Rm/IMW c. Rm/FD c. Rm/Wym. r 419 also To HPS. from Rm/Swdl. 619.Rm/Swdl.2/MH.9.9.38. CYLINDER BLOCKS (B.III & WRAITH III.) Will you please include the modified cylinder blocks to ECD.871 on the… | ||
| scan0118 | Modification memo regarding the cylinder head gasket for the B.III and Wraith cored cylinder block. | ||
| View original record | 419 also 619 To By/CS. c. to Da/MoS. Rm/Swdl.18/JH.15.9.38. MODIFIED CORED CYLINDER BLOCK FOR B.III AND WRAITH (ECD.871). Regarding the cylinder head gasket which has been issued for the above as a C… | ||
| scan0119 | Request for a new drawing for a modified and strengthened Wraith & B.III cylinder head. | ||
| View original record | 419 also 619 To By. from Rm/Swdl. c. By/CS. Rm/Swdl.10/MH.8.11.38. WRAITH & B.III CYLINDER BLOCK & HEAD. Regarding the modified cored block EW.1923 which affects the water holes in the cylinder head… | ||
| scan0120 | Supply of two blueprints for a Bentley 111 cylinder head. | ||
| View original record | HPS. c. Rm. o. Rm/Swdl. 419 BY/Ald.25/G.21.11.38. BENTLEY 111. CYLINDER HEAD - SECTION 5050. Please receive herewith two blueprints of the following :- Ex.S.1239 Cylinder Head. 1 off. The cylinder… | ||
| scan0121 | Requesting the production of new Bentley V cylinder blocks and heads from alternative alloys due to cracking issues. | ||
| View original record | 419 To HPS. from Rm/Swdl. Rm/Swdl.1/MH.1.4.39. c. RHC/Vs. c. Rm/CTS. c. Rm/RC. BENTLEY V CYLINDER BLOCKS & HEADS. In view of cylinder head cracking which has occurred on 8.B.V. during the 50,000 miles… | ||
| scan0122 | Proposed alteration to the cylinder head of the Wraith III and Bentley III models to improve valve seat cooling. | ||
| View original record | BY/NS c. Hm c. BY/SB c. Rm/Swdl c. REC/VS 419-619 DA.1/G.11.5.39. WRAITH III. and BENTLEY III. CYLINDER HEAD. Please receive herewith :- E.CD.1335 Proposed Alteration to Cylinder Head to improve Valve… | ||
| scan0123 | Advisability of introducing a raised engine mounting on the Bentley. | ||
| View original record | Hs. from Rm. c. By. RAISED ENGINE MOUNTING ON THE BENTLEY. During the recent Conference with Sg. it appeared that if B.III was introduced at the 1938 Motor Show, material for only 100 more Bentleys… | ||
| scan0124 | Detachable rear engine support brackets for the Bentley lll. | ||
| View original record | F. Dept. [Strikethrough] E. Dept. [Strikethrough] G. Dept. [Strikethrough] D. Dept. [Strikethrough] c. to Rm. C. to RHC/EAN. [Strikethrough] 200B 422 DA.11/G.7.10.37. A. Hill [Signature] Wym… | ||
| scan0125 | Query regarding engine dimensions for a Wraith engine fitted with Bentley carburettors and air silencer. | ||
| View original record | 200B Rm. C. BY. (Struck through) File WIMAN Please Supply DA.13/G.25.10.37. BENTLEY 111 - ENGINE MOUNTING. 422 Can we have the dimension 'A' shewn on the above sketch, for a Wraith engine fitted with… | ||
| scan0126 | Sketch of the standard Bentley carburettors, air intake, and silencer arrangement with key dimensions. | ||
| View original record | [ "Standard Bentley carbs, air Intake like Silencer", "This dimension A required for Bentley III Engine support.", "5.875", "to carb face", "2.200", "C.g.", "dynamo.", "2.100" ], | ||
| scan0127 | Variance in mathematical calculations for the Bentley III engine mounting position. | ||
| View original record | To Rm. from Rm/Wym. + 200b 422. 16th. November 1937. BENTLEY III ENGINE MOUNTING. Regarding the position of the front raised engine mounting, the mathematical calculations of the Design and Expl.… | ||
| scan0128 | High front engine mounting with an offset nose for the Bentley 111. | ||
| View original record | DI/NS c. Rm. 2000 DA.23/G.3.12.37. WRAITH File BENTLEY 111 - HIGH FRONT ENGINE MOUNTING WITH OFFSET NOSE. 422. Please receive herewith E.CD.275 Triangular High Front Engine Mounting (offset nose)… | ||
| scan0129 | Temporary scheme for a torque re-action damper for the Bentley 111 model. | ||
| View original record | BY/NS. c. Rm. DA.1/G.9.12.37. 200B MOWRM File BENTLEY 111. TORQUE RE-ACTION DAMPER (TEMPORARY SCHEME). 422. Please receive herewith E.CD.278 Torque Reaction Damper (Temporary Scheme) Bentley 111. This… | ||
| scan0130 | Revised rear engine support brackets for the Bentley 111 to suit a modified chassis frame. | ||
| View original record | BY/NS. c. Rm. ------- 200B DA.11/G.17.12.37. File BENTLEY 111 - REVISED REAR ENGINE SUPPORT BRACKETS TO SUIT MODIFIED CHASSIS FRAME. 422. Please receive herewith E.CD.298 Rear Engine Support Brackets… | ||
| scan0131 | Engine rear suspension for the first Bentley 111 chassis, model 422. | ||
| View original record | DY/MS. c. Rm. DA.17/G.21.12.37. File 2008 BENTLEY 111. FIRST CHASSIS. 422 ENGINE REAR SUSPENSION. Though the original rear mounting to N.Sch.5202 has been detailed and issued, the actual cross member… | ||
| scan0132 | Requesting the use of existing standard engine rubber mountings in new designs to save time and money. | ||
| View original record | }. 422. Da. from Rm. c. By. Rm4/R.17.3.38. Herewith assorted engine rubber mountings, moulds for which are in existence. We usually spend quite a considerable amount of time and money making moulds… | ||
| scan0133 | Proposal for the Bentley 111 engine rear suspension, referencing drawing G.CD.543 and comparing it to the Wraith III. | ||
| View original record | BY/NS c. Rm. c. De/Hay. ho DODD .2/G.18.3.38. c. De/TMD. c. De/JD. No WRITTEN. ANY COMMENTS Rm 422. BENTLEY 111. ENGINE REAR SUSPENSION. Please receive herewith G.CD.543 showing the above suspension.… | ||
| scan0134 | Modifications to the Bentley 111 rear engine suspension to reduce gear change lever movement. | ||
| View original record | BY/NS. c. Rm. c. Rm/Wym. c. Do/TWD. 822. 422. DA.1/G.29.8.38. WALTER BENTLEY 111 - MODIFIED REAR ENGINE SUSPENSION TO REDUCE MOVEMENT OF GEAR CHANGE LEVER. Please receive herewith :- E.CD.854 Engine… | ||
| scan0135 | Recurring breakages of Bentley III engine mounting brackets and a request for inspection. | ||
| View original record | 422 also Hoob To Rm/IMW. from Rm/AFM. Chateauroux. c. Rm/Wym. Rm/AFM.17/MH.31.10.38. BENTLEY III ENGINE MOUNT. We keep breaking the brackets holding the raised front engine mounting (triangular plate)… | ||
| scan0136 | Record concerning the front engine support brackets for the Wraith III and B.III models. | ||
| View original record | 422 Rm. Da.10/G. 3.11.38. Wraith III + B.III Front Engine Support Brackets in file 622. | ||
| scan0137 | Note concerning front engine support brackets for the Wraith III and Bentley III models. | ||
| View original record | 422 Rem. Roy/les. 16/B. 4-11-38 Wraith III + Bentley III - Front Engine Support Brackets. in file 422. | ||
| scan0138 | Request for a new front engine mount for the B.III bump chassis. | ||
| View original record | 422. HPS. from Rm/AFM. Rm/AFM10/R.15.11.38. B.III FRONT ENGINE MOUNT. We want the new front engine mount PD.199, piece No. FB.4077, fitting to the B.III bump chassis as soon as possible. Rm/AFM. | ||
| scan0139 | Design for a front engine mounting with increased rubber depth for the Bentley lll. | ||
| View original record | BY/NS. c. Rm. c. Rm/Wym. H22 File DA.11/G.6.12.38. Wym BENTLEY lll - FRONT ENGINE MOUNTING. Please receive herewith :- E.CD.1072 Front Engine Mounting with Increased Depth of Rubber. Bentley lll. This… | ||
| scan0140 | Material and tool costs for the Bentley V. Engine Mounting, comparing it to American cars and suggesting a less complicated design. | ||
| View original record | 422 Wyman should like you to discuss with Les & D (Ey. Rm. Gr. Hs.) see me Roy/Les 2/ER 20.12.38 Have seen LES. [signature] File Bentley V. Engine Mounting. [signature] We find that the B.V. Engine… | ||
| scan0141 | Material cost breakdown for the Bentley V. Engine Mounting. | ||
| View original record | Bentley V. Engine Mounting Material Cost. Piece No. Tool. Cost. Front Mounting. 1 Nose Bearing. FW 1492 DC. 1.67 2 Rubber for Bearing. FW 1018 1.67 1 Bracket for Bearing. F. 61493 1.03 1 Support Arch.… | ||
| scan0142 | Blueprints and design changes for the B.V. chassis engine rear suspension. | ||
| View original record | 422 HV/RS c. Rm. DA.4/G.23.12.38. WHTMAN B.V. CHASSIS. ENGINE REAR SUSPENSION. Please receive herewith blueprints of schemes as follows :- G.CD.1060 Engine Rear Suspension. G.CD.1111 Engine Tie Rod.… | ||
| scan0143 | Request to prepare one set of parts for an engine rear suspension for Wraith Gear in a B.V. chassis. | ||
| View original record | H22 also 622 To HP. Rm/Wym.2/JH.17.1.39. WRAITH GEAR in a B.V. chassis. Will you please prepare one set of parts for engine rear suspension to GCD.1117. Instructions as to which chassis they are to be… | ||
| scan0144 | Specifying part number GCD.1249 for future Bentley V engine rear suspensions and torque rubbers. | ||
| View original record | H22 To HPS. Rm/Wym.3/JH.22.3.39. Bentley V Engine rear Suspension. Will you please note that all future engine rear suspensions and torque rubbers should be to GCD.1249 and should be fitted to all our… | ||
| scan0145 | Modifications to the rear engine suspension for the Bentley V chassis. | ||
| View original record | PY/ES. c. Rm. 422 DA.4/G.6.4.39. BENTLEY V. CHASSIS. REAR ENGINE SUSPENSION. WYMAN File Please receive herewith blueprints of G.CD.1249 which has already been issued, but has now been modified as… | ||
| scan0146 | Bentley V damper settings for different markets. | ||
| View original record | HH2 + 1245 W/P. To Sr. from Rm/AFM. Rm/AFM.9/MH.20.4.39. BENTLEY V DAMPING. We have been told by Waller that you are concerned by the softness of B.V. ride. Knowing that your customers have a… | ||
| scan0147 | Technical memo detailing design considerations and drawings for the Bentley 111 exhaust fittings. | ||
| View original record | B. Dept. F. Dept. G. Dept. D. Dept. C. Rm. C. ENG/O.M. G. Ch/Side 200B WYD DA.9/G.9.10.37. 423. File BENTLEY 111 - EXHAUST FITTINGS. Please receive herewith the following design drawing :- E.CD.115… | ||
| scan0148 | Design of an intermediate pipe for the Wraith III chassis. | ||
| View original record | - 2 - DA.9/C.9.10.37. is the same as used on Wraith lll, this will be shown on a further design. The intermediate pipe has been made in two lengths to facilitate its assembly in chassis. Will you… | ||
| scan0149 | Expressing dissatisfaction with the proposed design of the Bentley III exhaust system's front expansion box. | ||
| View original record | To Da. c. to By/Mr. Stay. 200B 423. BENTLEY III EXHAUST FITTINGS. We have just received the Design drawings shewing the proposed exhaust system layout for Bentley III, and we are very surprised to… | ||
| scan0150 | Recommendation to experimentally modify the B.III exhaust system before finalizing the drawings. | ||
| View original record | 200B 423 By. from Rm. Rm5/R.23.10.37. B.III EXHAUST SYSTEM. In view of the work we are at present doing on exhaust systems, there is a possibility that we may modify the final silencer on B.III so… | ||
| scan0151 | Revised exhaust system for the Bentley 111 to suit a new chassis frame. | ||
| View original record | 200B c. Rm. WRITTEN DA.7/G.5.11.37 File BENTLEY 111 - REVISED EXHAUST SYSTEM TO SUIT NEW CHASSIS FRAME. ------------------------------------------------- 423 Please receive herewith E.CD.201 Expansion… | ||
| scan0152 | Designs for a revised exhaust system for the Bentley 111 to suit a new chassis frame. | ||
| View original record | DR/No. c. Rm. 2007B DA.2/G.6.11.37. File 423. BENTLEY 111. REVISED EXHAUST SYSTEM TO SUIT NEW CHASSIS FRAME. Please receive herewith the following designs :- E.CD.203 Silencer - Exhaust System.… | ||
| scan0153 | Modification to the Bentley 111 exhaust system to suit a revised chassis frame. | ||
| View original record | RY/NS (struck through) c. Rm. c. RHC/CAN. (struck through) 200B WYM DA.9/G.11.11.37. BENTLEY 111 - EXHAUST SYSTEM TO SUIT REVISED CHASSIS FRAME. W23 Please receive herewith E.CD.202 Intermediate Pipe… | ||
| scan0154 | Design of the Bentley 111 exhaust system's expansion box front stays. | ||
| View original record | DY/NS. c. Rm. BENTLEY 111 - EXHAUST SYSTEM. Herewith please receive E.CD.222 Expansion Box Front Stays - Bentley 111. Exhaust fittings. Will you please detail and instruct experimentally the necessary… | ||
| scan0155 | E.CD.239 layout drawing for the Bentley 111 (Dropped Frame) exhaust system. | ||
| View original record | 200B NHKM DR/WG No. ------- c. Rm. -------- File DA.5/G.18.11.37. BENTLEY 111 - EXHAUST SYSTEM. W23 Please receive herewith E.CD.239 Layout of Exhaust System - Bentley 111 (Dropped Frame). This… | ||
| scan0156 | Proposed modifications to the exhaust system for the Bentley 111, referencing several engineering drawings. | ||
| View original record | BM/HS. c. Rm. o. Da/ko.S. 2506 DA.23/C.25.2.38. File 423 WYMAN BENTLEY 111. EXHAUST SYSTEM. Herewith is E.CD.468 shewing the proposed oval front expansion box giving clearance with the torque arm… | ||
| scan0157 | Request to produce a Bentley III built-up exhaust manifold with two downtake outlets. | ||
| View original record | 423 To HPS. from Rm/Swdl. Rm/Swdd.11/MH.25.3.38. BENTLEY III EXHAUST SYSTEM. Will you please produce a Bentley III built up exhaust manifold suitable for the present cylinder head but having two… | ||
| scan0158 | The failure of the B.III exhaust system and the proposed redesign incorporating Jaguar systems. | ||
| View original record | By. from Rm. c. Da. c. Rm/Wym. c. Rm/LMW. 423 - Rm14/R.4.5.38. B.III EXHAUST SYSTEM. The first B.III exhaust system is, of course, quite hopeless owing to the front expansion box having to be cut away… | ||
| scan0159 | The development and benefits of duplex exhaust systems for various engines. | ||
| View original record | H23? γ By. from Rm. c. SG. c. Hs. c. RHC. c. Da. c. Mx. Rml/R.9.5.38. EXHAUST SYSTEMS. The basic facts we seem to have established about exhaust systems recently are:- (1) By using a duplex exhaust… | ||
| scan0160 | Report comparing the performance of various exhaust system arrangements for the Bentley III unit. | ||
| View original record | To By. from Rm/Swdl. c. SG. c. HB. c. HHC. c. Da. c. Mx. BENTLEY III EXHAUST SYSTEMS. Further to our previous tests of various exhaust system arrangements on the GHO. unit, figures have been taken on… | ||
| scan0161 | Recommendation from test results to incorporate a double exhaust system and new camshaft on the B.III model. | ||
| View original record | -2- Rm/Swdl.1/MH.9.5.38. From the tests carried out, a double system of exhaust should be incorporated on B.III which together with the new camshaft we are producing should give a silenced figure of… | ||
| scan0162 | Blueprint of an experimental duplex outlet exhaust manifold for testing on a B III unit. | ||
| View original record | RM. 523. FOR DETAIL DIMENSIONS SEE Ex. 30724. EXPERIMENTAL DUPLEX OUTLET EXHAUST MANIFOLD AS TEST ON B III UNIT IN CONNECTION WITH EXHAUST SYSTEM LOSSES ( REP RM/SWDL/1/M H 9-5-38) | ||
| scan0163 | Performance graph showing power loss to various exhaust systems for a 4 1/4 Litre Bentley engine. | ||
| View original record | 4 1/4 LITRE BENTLEY POWER LOSS TO EXHAUST SYSTEMS B.II N° 1 UNIT COMP. RATIO 6.3:1 (E.W. 1296) B II INDN. SYSTEM (2 H.4 CARBS) (500 RESN) 1) OPEN EXHAUST 2) EXPL. MANIFOLD ONLY 3) STD. MANIFOLD 4) 2.… | ||
| scan0164 | Scheme for the Bentley 111 exhaust system, based on work from a three-port manifold. | ||
| View original record | 423 Da. /CS. G.c. BY/NS. c. De/Mc.S. c. Rm. BY.5/G.11.5.38. BENTLEY 111. EXHAUST SYSTEM. In view of work done on the two separate exhaust systems from three port manifold, it will be necessary to get… | ||
| scan0165 | Requesting the fabrication of parts to test dual exhaust systems on a Bentley III test bed engine. | ||
| View original record | 423. To HPS. Rm/CTS.8/JH.18.5.38. BENTLEY III. We are carrying out tests at the present time in conjunction with the proposed use of dual exhaust systems. Will you please instruct a coppersmith to… | ||
| scan0166 | New design for an exhaust manifold with two outlets for a Bentley 111. | ||
| View original record | BY/NS. 423 c. Rm. c. Rm/Swdl. c. Rm/Wym. DA.1/G.2.7.38. BENTLEY 111 - EXHAUST MANIFOLD WITH TWO OUTLETS. Please receive herewith E.CD.763 Exhaust Manifold for Twin Exhaust Systems - Bentley 111. This… | ||
| scan0167 | Modification of the Bentley 111 exhaust tail pipe to accommodate Rolls-Royce type shock dampers. | ||
| View original record | BY/NS. c. Rm. c. Da/Ev. c. Da/JD. H23 DA.12/G.6.7.38. BENTLEY 111 - EXHAUST TAIL PIPE ALTERED TO CLEAR ROLLS-ROYCE TYPE SHOCK DAMPERS. Please receive herewith :- E.CD.780 Modified Exhaust Tail Pipe… | ||
| scan0168 | Instructing modifications to the exhaust system for a Bentley Car 9.B.III. | ||
| View original record | To HPS. from Rm/Wym. HP 23. Rm/Wym.4/JH.16.8.38. BENTLEY CAR 9.B.III. Will you please make up and fit to the above car a similar exhaust system to the one already fitted to 1.B.5 except that the rear… | ||
| scan0169 | Request to investigate increased sideways flexibility of the exhaust system to suit flexible engine mounting. | ||
| View original record | 423 To Da. c.c. to HPS. Rm/IMW.5/JH.16.9.38. B.III EXHAUST SYSTEM. Will you please investigate the question of increased sideways flexibility of the exhaust system to suit the flexible engine mounting… | ||
| scan0170 | Order for flexible tubing from Compoflex Ltd. and inquiring about their attachment methods. | ||
| View original record | 423. To Roy. c. to G/JWH. Rm/Wym.5/JH.15.10.38. ✓ sent To Roy. With reference to the attached letter from Compoflex Ltd., we are very interested in the possibility of this flexible tube and would like… | ||
| scan0171 | Modification to add stiffening ribs to the exhaust manifold for Bentley 111 and Wraith III engines. | ||
| View original record | BY/NS. c. Rm. c. Rm/TMW 423 DA.3/G.28.11.38. WYLIE File BENTLEY 111 - EXHAUST MANIFOLD. Please receive herewith E.CD.1031 Stiffening Ribs for End Branches of Exhaust Manifold - Wraith 111 and Bentley… | ||
| scan0172 | Flexibly mounted front silencer support for the Bentley 111 exhaust system. | ||
| View original record | BY/NS c. Rm. o. Rm/Wym. 423. DA.13/G.3.12.33 File 33 PIECES. BENTLEY 111 - EXHAUST SYSTEM. Please receive herewith :- E.CD.1084 Flexibly Mounted Front Silencer Support. B.3 Expl. Exhaust System. The… | ||
| scan0173 | Experimental support for the exhaust front silencer on the Bentley lll model. | ||
| View original record | PY/NS (struck through) c. Rn. c. Rm/Wym. Handwritten: 423 File DA.6/G.19.12.38. BENTLEY lll - EXPERIMENTAL SUPPORT FOR EXHAUST FRONT SILENCER. Please receive herewith :- E.CD.1104 Exhaust Front… | ||
| scan0174 | Request to manufacture 16 EB.4514 brackets for two sets of rubber mountings for exhaust suspension. | ||
| View original record | 423 To HPS. Rm/RB.8/JH.3.1.39. B.III Exhaust Suspension to ECD.1104. Will you please make up as soon as possible 16 EB.4514 brackets to complete 2 sets of rubber mountings for exhaust suspension.… | ||
| scan0175 | Advance blueprints for Bentley 111 exhaust fittings. | ||
| View original record | File BE/NS. c. Rm. c. HPS. H23 DA.10/G.11.1.39. FT WYHAN BENTLEY 111 - EXHAUST FITTINGS. Herewith please receive blueprints of :- E.CD.968 Front Silencer - Bentley 111. E.CD.969 Rear Silencer -… | ||
| scan0176 | New exhaust tail pipe suspension for B.V. and B.50 chassis models. | ||
| View original record | BY/NS. c. Rm. c. HPS c. Rm/Wym c. Da/Ev. c. Da/JD. 423 DA.14/G.16.1.39. File B.V. and B.50. EXHAUST TAIL PIPE SUSPENSION. Please receive herewith :- E.CD.1151 Tail Pipe Suspension - B.3. Engine in… | ||
| scan0177 | Requesting an experimental exhaust system for the Bentley V Continental sports model. | ||
| View original record | 423. To HP. Rm/Wym.5/JH.2.2.39. Bentley V Exhaust System. We are contemplating further mods. to the Bentley exhaust system, with a view to developing a system with a minimum power loss for use on the… | ||
| scan0178 | Designs for the Bentley V exhaust system. | ||
| View original record | H23. BV/NS. c. Rm c. Rm/Wym. c. Da/Ev. c. Da/JD. File DA.12/G.22.2.39. Wym BENTLEY V. EXHAUST SYSTEM. Please receive herewith the following designs of the complete exhaust system for Bentley V. based… | ||
| scan0179 | Instruction to design and fit exhaust systems for future Bentley V and 50 cars. | ||
| View original record | H23 To HPS. Rm/Wym.6/JH.28.2.39. Bentley V & 50 Exhaust Systems. Will you please instruct for the design scheme of exhaust system to be fitted to all future Bentley V and 50 cars. Complete systems… | ||
| scan0180 | The design and fitment of exhaust systems for Bentley V and 50 cars. | ||
| View original record | 423 To Rm/MS. from HPS/WSC. Rm. [REDACTED] HPS/WSC.5/BA.1.3.39. Bentley V and 50 Exhaust System. We are requested in Rm/Wym.6/JH.28.2.39 to instruct for the design scheme of exhaust system to be… | ||
| scan0181 | Proposal for a simplified, cost-reduced exhaust silencer support for the Bentley V. | ||
| View original record | EB/BS. G. Rm. C. ROY/Les C.J.Dym/Wym. 1291 #23 DA.6/G.4.3.39. File BENTLEY V. SIMPLIFIED EXHAUST SILENCER SUPPORT. Please receive herewith :- E.CD.1237 Front Silencer Front Support - Bentley V. A… | ||
| scan0182 | Requesting the experimental fitting of a new exhaust system suspension on a Bentley V chassis. | ||
| View original record | 423 To HPS. Rm/Wym.1/JH.15.3.39. Bentley V Exhaust System. We should like fitting up on to the next Bentley V chassis, an exhaust system suspension to ECD.1237. These parts are similar to those used… | ||
| scan0183 | Cost breakdown for the 'B' series production Wraith B.V. exhaust system. | ||
| View original record | 423 Rm/ c. Rm. Roy/Les 17/ER 22.3.39. Cost of B.V. Exhaust System. The attached list shews the material cost and labour cost of 'B' series production Wraith exhaust system. This gives the factory cost… | ||
| scan0184 | Instructing the fitting of new bolts, distance pieces, and spherical washers to the exhaust system on Wraith & Bentley experimental cars. | ||
| View original record | 423 + 623. To HPC. Rm/Wym.3/JH.25.4.39. WRAITH & BENTLEY EXHAUST SYSTEM. In accordance with By's instructions contained in By/CG.1/FW.21.4.39. will you please arrange for all Wraith and Bentley… | ||
| scan0185 | Confirming the checks on the Bentley V exhaust system drawings, authorizing the start of production. | ||
| View original record | 423 To By/NS. c. to BY/CS. Rm/Wym.7/JH.26.4.39. BENTLEY V EXHAUST SYSTEM. In accordance with your memo. By/CS.3/EH.18.4.39. we have checked over the prints of the Bentley V exhaust system to… | ||
| scan0186 | Requesting the fitting of twin exhaust systems to specific Bentley cars. | ||
| View original record | 423 To HPS. Rm/Wym.1/JH.7.10.39. Bentley Exhaust Systems. Will you please arrange to fit to 11.B.V. and 3.B.50. cars, twin exhaust systems similar to the one recently fitted to 33.G.VII. The expansion… | ||
| scan0187 | Weight comparison between the previous and new exhaust systems for the 11BV model, with a proposal for further weight reduction. | ||
| View original record | Rm. 423 1115 Rm/WYM.7/JM.9.5.40. EXHAUST SYSTEM WEIGHTS. PREVIOUS SYSTEM ON 11BV. DOWNTAKES. S/M. 10'10" in 12.SWG.=25lbs 8ozs. FRONT BOXES. (including inter pipes) STAYBRITE. With inter pipes 3' in… | ||