Rolls-Royce Archives
| Identifier | Entry | ||
| Scan001 | Instructions for modifications to the gearbox and the starter on engine. | ||
| View original record | To R. from AJS. c. to CJ. BJ. RG. c. to DA. BY. Hs. X7310 AJS1/M1.3.26. EAC.V11. X.7770 X.7340 X.7310 X.7850 Referring to the last para. of R2/M27.2.26. in connection with EAC.7. we have issued… | ||
| Scan002 | Progress report on a detachable connection, lighter clutch, propeller shaft, and gearbox design. | ||
| View original record | contd :- -2- favour this because we understand that a detachable connection must XXXXXXXXXXXXXXX be made somewhere on dash to allow body building facilities and would rather have them centralised. We… | ||
| Scan003 | With a sketch proposing the use of electric welding for the EAC.7 gearbox striking forks to simplify the manufacturing process. | ||
| View original record | To EY. from AJS. c.c. to Hs/RHC. X 7310 AJS1/M29.3.26. RE ELECTRIC WELDING X.7310. X.1699 In the design of the new EAC.7 gearbox that we are getting on with we find that the striking forks, and the… | ||
| Scan004 | Inquiry about experimental results for straight ground teeth in constant mesh gearboxes for the EAC. 7 design. | ||
| View original record | ORIGINAL X7310 AJS2/M29.3.26. TO FROM AJS. Copy to - HS. GEARBOXES - (CONSTANT MESH GEARS.) X7310 Some time ago when we enquired concerning some experiments which you were having carried out on… | ||
| Scan005 | Sluggishness in the India change speed lever and requesting tests to inform modifications for a new gearbox. | ||
| View original record | To Hs. from AJS. c. to R. CJ. X7310 AJS1/M8.4.26. RE. GEARBOXES. X.5310 X.7310 The transverse sliding of the India change speed lever even when the gearbox is hot always seems a little sluggish. We… | ||
| Scan006 | Notice detailing modifications and corrections for the E.A.C.VIII gearbox, including a list of updated part numbers. | ||
| View original record | X7310 c. Hs. BY21/H. 29.4.26. E.A.C.VIII.GEAR BOX. The first gear box which is going forward for use on E.A.C.VIII, which was being built up to Part List Numbers G.74167, G.72577, G.73420, G.72548,… | ||
| Scan007 | Requested modifications to a gearbox mechanism, including sketches. | ||
| View original record | TO BY- FROM AJS. C. to - HS. ORIGINAL X7310 AJS3/M26.6.26. 18. EAC.7. GEARBOX MECHANISM. X7310 The following are modifications which we should be glad if you would instruct to be made to the above… | ||
| Scan008 | Examination of a faulty change speed mechanism on a 12-EX car, identifying the cause and the implemented solution. | ||
| View original record | To R. from Hs/GWH. c. to BJ. Wor. c. to RG. E. c. to DA. BY. X7320 Hs/GWH1/LG8.7.26. RE. CHANGE SPEED MECHANISM ON 12-EX CAR - TO ARRGT. G.74299 We examined the change speed mechanism and found that… | ||
| Scan009 | Diagram of a Change Speed Mechanism showing deflection measurements in inches. | ||
| View original record | DEFLECTION IN INCHES .0015 | .0035 | .006 | WHEN BINDING .001 | .0025 | .003 | LIGHT LOAD CHANGE SPEED MECHANISM. ARRGT DRG: G.74299. | ||
| Scan010 | The reverse side of a document page featuring a red archival stamp. | ||
| View original record | ROLLS-ROYCE LIMITED. PRM - 8 JUL 1926 | ||
| Scan011 | Alterations to the rear brake differentials and related components. | ||
| View original record | To EY. from DA. c. to BJ. Hs. 47310 DA5/M27.8.26. EAC. 7. REAR BRAKE DIFFERENTIALS ETC. X.7310 X.7380 Herewith we send N.sch.2250 shewing the mounting of the rear brake differential on the gearbox… | ||
| Scan012 | Proposal to fit 13/47 ratio bevels in the rear axle of the EAC.7 chassis and instruct a suitable speedometer. | ||
| View original record | BY/HEB. BY/TWD. c. to Hs. ------------ X7310 BY/Cgh19/G.10.9.26. EAC.7 CHASSIS - SPEEDOMETER. ----------------------------- Please note it is proposed to fit 13/47 ratio bevels in the rear axle for… | ||
| Scan013 | Standardisation of 'D' Type C.H.N.S. keyed type change gear shaft with a modified bush and spring. | ||
| View original record | RR 755 REVISED (10H) (DE 444 6-10-26) BM. COMPLETED 19.10.26 STANDARDISATION of CHASSIS PARTS. Date 24.9.26 Description of Parts. 'D' TYPE C.H.N.S. KEYED TYPE CHANGE GEAR SHAFT - MODIFIED BUSH AND… | ||
| Scan014 | Testing and implementation of a new direct drive scheme for the Phantom gearbox, urging for it to replace the old system. | ||
| View original record | TO BY. FROM AJS. 4. OCT. 1926 840 X7310 AJS1/M1.10.26. Copy to - BS. HS. PHANTOM GEARBOX. With our memo. AJS5/M14726., we forwarded drawing LeC. 2111., which shewed the direct drive for the EAC. 7.… | ||
| Scan015 | Experimental application of a direct drive scheme to the Phantom gear box. | ||
| View original record | A.JS (WW) c. BJ. c. Hs. X7310 BY absent. BY/Cghlb/H. 5.10.26. PHANTOM GEAR BOX. ------------------ With reference to AJS1/M. 1.10.26. we are arranging for the direct drive scheme shown on LeC.2111 for… | ||
| Scan016 | Costed alteration to a standard sheet for Change Gear and Brake Operating Mechanism. | ||
| View original record | To Hs. from My/Rb. My/Rb2/N/139A/BJ13.10.26. Re. standardisation of Chassis Parts. X. 7320/7310 Returned herewith is above std. sheet with cost filled in. Please note this std. sheet is an alteration… | ||
| Scan017 | Alteration to the 'D' Type keyed change gear shaft with a modified bush and bearing. | ||
| View original record | RR 288a (10H) (SL 72 18-7-23) MP 274954A X7310 COMPLETED 19.10.26 ALTERATIONS TO R.R. AERO ENGINE PARTS. 40/50 HP. CHASSIS. STAMP: CONDOR EAGLE FALCON HAWK DATE: 24.9.26 X No.: T520 7310 Drawing No.:… | ||
| Scan018 | Standardisation of chassis parts, noting an alteration to improve the design of the change gear and brake operating mechanism. | ||
| View original record | To Hs. from My/Rb. My/Rb2/N/139A/BJ13.10.26. Re. standardisation of Chassis Parts. X. 7320/7310 Returned herewith is above std. sheet with cost filled in. Please note this std. sheet is an alteration… | ||
| Scan019 | Standardisation of a gearbox with modified selectors, pinions, and sliding wheels for definite end clearance. | ||
| View original record | RR 755 REVISED (10H) (DE444 6-10-26) BM. X7310 COMPLETED 27.10.26 STANDARDISATION of CHASSIS PARTS. Date 1.10.26 Description of Parts. GEARBOX TO SUIT PLUNGER CONTROLLED SELECTORS TORSIONALLY FREE… | ||
| Scan020 | Modifications to a hypoid gear rear axle gearbox. | ||
| View original record | To BY. from DA. c. to BJ. c. to Hs. X7310 DA2/M28.10.26. EAC-9 and 10 HYPOID GEAR REAR AXLE. X.2066 X.7350 X.7310 Herewith we send N.sch.2287 shewing the slight modifications to the rear axle gearbox… | ||
| Scan021 | Design and specifications for a new 11/41 ratio hypoid gear. | ||
| View original record | To BY. from DA. c. to BJ. Hs. 47310 DA1/M29.10.26. EAC-9 & 10 HYPOID GEARS. X.2066 X.7310 Herewith we send N.sch. 2291 shewing a 11/41 hypoid gear which gives almost exactly the same ratio as the… | ||
| Scan022 | Standardisation sheet for the Phantom gearbox, questioning the effect on existing stock. | ||
| View original record | X7310 To Hs. from BJ. Standardisation Sheet. Phantom - Gearbox. Referring to Standardisation Sheet No.7310/7320, dated 1/10/26, Phantom, concerning gearbox, I presume there is no scrap in connection… | ||
| Scan023 | Standardisation sheet concerning the Phantom Gearbox. | ||
| View original record | To B.J. from Hs/Rm. X7310 Hs/Rm5/LG4.11.26. STANDARDISATION SHEET. PHANTOM GEARBOX. With reference to BJ16/E1.11.26 and std. sheet X7310/7320. This standardisation sheet will involve no scrap. Hs/Rm. | ||
| Scan024 | Provision of high gear ratios for 40/50 HP and 20 HP cars. | ||
| View original record | To EY. He. from DA. X7310 DA3/M16.11.26. GEAR RATIOS. X. 8310 X. 7310 X.5310 With reference to R3/M8.11.26., we have looked into the question of providing high gear ratios on the 40/50 and 20 HP.… | ||
| Scan025 | The assembly of a servo worm gear, requesting a specimen pair from Messrs. Bostock & Bramley. | ||
| View original record | To BY. From DA. c. to BJ. Hs. 47310 DA3/M23.11.27. EAC.10. GEARBOX. X.7310 X.7370 Herewith we send N.sch. 2508 shewing the assembly of the servo worm gear. The object of sending you this is to… | ||
| Scan026 | Suppliers and design improvements for an integral gearbox servo worm drive. | ||
| View original record | BY. Hs. from R. c. to BJ. Wor. c. to DA/HDY. X7310 R5/M24.11.27. EAC.10 INTEGRAL GEARBOX SERVO X.7310 WORM DRIVE. X.7370 X.2061 Mr. Bentley of Royce Ltd., has given me the following name as having… | ||
| Scan027 | Drawings for the EAC.10 gearbox and clutch casing, detailing modifications. | ||
| View original record | BY. from DA. c. to BJ. Hs. X7310 DA4/M25.11.27. EAC.10 GEARBOX. X.7000 X.7310 X.7300 We send herewith the following N.schs. shewing the above gearbox and clutch casing :- N.scheme 2488 2450 2451 2452/… | ||
| Scan028 | Modifications and axle ratio performance for the Sports Phantom, chassis 10-EX. | ||
| View original record | X7310 To DA/EV. from Hs/Rm. Hs/Rm5/LG29.11.26. RE. SPORTS PHANTOM. X.7884 We should like to know whether Barkers have been instructed to proceed with the modification to 10-EX, because if not, we… | ||
| Scan029 | Oversight in brake operation and proposed modifications for the EAC-7 chassis. | ||
| View original record | To BY. from DA. c. to BJ. Hs. X7310 DA3/M16.12.26. EAC-7 - BRAKE OPERATION. X. 7420 X. 7310 Replying to BY4/H8.12.26., we see that we have made an oversight in putting the taper pegs not at right… | ||
| Scan030 | The testing and fitting of a toothed direct drive motion shaft for a Phantom gearbox. | ||
| View original record | To AJS. from Hs. c. to EY. X7310 Hs1/LG17.12.26. PHANTOM GEARBOX. X8310 With reference to AJS1/M13.12.26 The toothed direct drive motion shaft for Phantom was originally instructed for EAC-Vll.and is… | ||
| Scan031 | Modifications to the cutout operation mechanism, referencing Phantom designs. | ||
| View original record | To BY. from DA. c. to BJ. +7310 DA2/M20.1.27. EAC.7. CUTOUT OPERATION. X.7490 X.7310 Herewith we send N.schs. 2341/2 shewing the cutout operation. It will be seen that it follows the lines of that… | ||
| Scan032 | Problem with low force from the friction head in the servo linkage and a proposed fix using a new square wire spring. | ||
| View original record | To BY. from DA. c. to BJ. Hs. Handwritten: X7310 DA5/M7.4.27. EAC.7. FRICTION HEAD IN SERVO LINKAGE. X. 7370 X. 7310 X. 7420 With reference to the complaint that it is found impossible to get more… | ||
| Scan033 | Design and use of different hypoid gears, specifically 1' and 2' off-set types. | ||
| View original record | To BY. from DA. c. to BJ. Hs. +7310 DA3/M14.4.27. EAC.10 - HYPOID GEARS. X.2066 X.8310 X.7310 With reference to R4/M7.4.27., we did not understand that R. intended to scrap the 2" set off-set hypoids.… | ||
| Scan034 | Gear ratio for the EAC.10 gearbox speedometer drive. | ||
| View original record | Hs. from DA. V/7310 DA7/M1.12.27. EAC.10 GEARBOX - SPEEDOMETER DRIVE. X.7310 X.4308 X.1087 X.4367 On the sample Smith double drive for a speedometer and screen wiper which has been sent to us we… | ||
| Scan035 | The speedometer drive ratio for the EAC.10 gearbox to order the correct part. | ||
| View original record | To BY/SS. from Hs/Rn. [Handwritten, crossed out: X6310] [Handwritten: X7310] Hs/Rm3/LG7.12.27. We understand that the speedometer drive ratio in EAC.10 gearbox is different to the present standard. We… | ||
| Scan036 | Arrangement of the clutch, front brake differential, and related components, referencing several schematics. | ||
| View original record | BY. from DA. c. to BJ. Hs. 7310 DA2/M7.12.27. EAC.10 GEARBOX ETC. X.7310 X.7420 Herewith we send N.sch. 24 2521 shewing the clutch pit. This shews the arrgt. of the front brake differential and clutch… | ||
| Scan037 | Sending a filler for the EAC.10 gearbox and questioning the purpose of a second filler on the related EAC.7 model. | ||
| View original record | BY. from DA. c. to BJ. Hs. 47310 DA3/M9.12.27. EAC.10 GEARBOX. X.7310 X.7190 Herewith we send N.sch.2523 - filler for the gearbox. It will be noticed that we have taken the filler already existing on… | ||
| Scan038 | Pedal arrangement for the EAC.10 gearbox, referencing drawings N.schs. 2449 and 2531. | ||
| View original record | BY. from DA. c. to BJ. Hs. +7310 DA1/M23.12.27. EAC.10 GEARBOX. X.7310 PEDAL ARRANGEMENT. X.7470 Herewith we send N.schs. 2449 and 2531 shewing the arrangement of the clutch and brake pedals (B) on… | ||
| Scan039 | Query regarding the practicality of removing the gearbox without the engine on the EAC.10 model, considering the position of the cross member. | ||
| View original record | Hs. from DA. V7310 DA1/M1.1.28. EAC.10 ETC. X.7310 X.5310 EAC.10 as you know has a unit engine and gearbox. It would be of use to us to know whether it is the practice to take down the gearboxes… | ||
| Scan040 | Correction to the EAC.10 gearbox casting. | ||
| View original record | X. 7310 BY. from DA. c. to BJ. Hs. DAL/M6.2.28. EAC.10 GEARBOX. We send herewith N.sch.2542 shewing a correction to the gearbox casting as a result of our examination of the box layouts which you have… | ||
| Scan041 | The arrangement of brake differentials and the connection to the servo. | ||
| View original record | BY. from DA. c. to BJ. Hs. 47310 DA1/M13. 2. 2. 28. EAC.10 BRAKE DIFFERENTIALS. X.7420 X.7370 X.7310 We send herewith N.sch.2539 shewing the arrgt. of the brake differentials and connection to the… | ||
| Scan042 | Confirming the dispatch of detailed drawings for a change-speed gearbox. | ||
| View original record | DA. c. BJ c. HS. X7310 BY/Cgh6/G.17.2.28. EAC.10. GEARBOX. As requested in DA1/M6.2.28. we send you herewith prints of G.76493 (4 sheets) of our detail drawings for the change speed gearbox for the… | ||
| Scan043 | Design alterations, focusing on the importance and challenges of reusing existing parts to minimize costs. | ||
| View original record | HM/NRC. from DA. c. to Wor. E, X7310 DA3/M13.3.28. ALTERATIONS TO DESIGN. X.7310 X.5580 X.7580 Replying to Hm/NRC3/MW8.3.28., we fully appreciate the importance of keeping the number of jigs, tools,… | ||
| Scan044 | Delay in introducing smaller speedometers and the cost implications for various car series. | ||
| View original record | X7310 S/W. [Crossed Out] Copy to Sg. [Crossed Out] " " BBD. [Crossed Out] Sg7 /W/20.7.28. Re: 40/50 HP. Speedometers. Referring to Sg7/W/18.7.28. and HY/Mtn5/K19.7.28. when H. was here yesterday, the… | ||
| Scan045 | Design change for the brake countershaft on the gearbox, proposing a forged part. | ||
| View original record | BY. from DA/EV. c. to BJ. Wor. Hs. X7310 DA/EV4/28.8.28. RE. BRAKE COUNTERSHAFT ON THE GEARBOX. X.7310 X.7420 We send herewith N.sch.2686 shewing the cantilever bearing on the gearbox made as forgings… | ||
| Scan046 | Requesting clarification on the weight saving on the 'SS' engine unit gearbox. | ||
| View original record | Hs. from DA. Y7310 DA1/M18.9.28. 'SS' ENGINE UNIT - WEIGHT. X.7310 X.8840 With reference to Hs2/LG13.9.28., it would be of great interest to us to know how much has been saved on the gearbox compared… | ||
| Scan047 | Standardisation of a small dial speedometer for the 40/50 chassis. | ||
| View original record | RR 755 REVISED (10H) (D.C. 777 - 29 - 2 - 28) MC C. LTP 47310 COMPLETED 28.9.28 STANDARDISATION of CHASSIS PARTS. Date 3.9.28 X No. 7310 Drawing No. Part List Description of Parts. SPEEDOMETER, SMALL… | ||
| Scan048 | Standardisation form for a new chassis part, detailing the first chassis for fitting, test date, and associated costs. | ||
| View original record | STANDARDISATION of CHASSIS PARTS OPTION X The number of the first chassis on which the new part will be fitted. G.2.B. Date when chassis will be handed to test. 3.11.28 Cost of scrapped material, if… | ||
| Scan049 | Modifications to the 'SS' gearbox undershield and associated parts. | ||
| View original record | BY. from DA. c, to BJ. Hs. X7310 DAL/M3.10.28. 'SS' GEARBOX UNDERSHIELD. X. 7310 X. 7290 X. 7230 Herewith we send N.schs. 2728/9/30/31, shewing the gearbox undershield. It will be noticed that we have… | ||
| Scan050 | Noisy gearboxes on the New Phantom due to the exhaust pipe affecting the alignment of the side shafts. | ||
| View original record | By Hs X7310 Mx9/T15.10.28. re New Phantom In order to obtain satisfactorily quiet side shafts in the gear boxes on the Phantom, it is necessary for the gear box and engine to be lined up to within… | ||
| Scan051 | Letter discussing improving vehicle acceleration by adopting a lower gear and a combined freewheel and clutch mechanism. | ||
| View original record | c. to BJ. LWS. c. to PN. CWB. c. to HY. Hs. c. to C. SG. Elmstead, West Wittering, Chichester. 24th.Oct. 1928. A. W. Claremont Esq., My dear Mr. Claremont, X.523 X.7310 X.281 X.5310 It is realised… | ||
| Scan052 | Gearbox design, focusing on achieving a 3rd speed using an epicyclic gear unit as an alternative to a standard gearbox. | ||
| View original record | contd :- -2- but not in the side shaft of the gearbox. This we consider the most practical and quickly available way of providing an easily obtainable 3rd. speed. Our gearbox being especially silent… | ||
| Scan053 | Alternative gearbox designs, focusing on the advantages of epicyclic units for achieving silent operation. | ||
| View original record | contd :- -3- We have been over this ground so many times that none of it seems new to us, but I think the combination of the parts now suggested is novel, and gives some advantages not hitherto… | ||
| Scan054 | Methods for improving vehicle acceleration, including engine power and gearbox design. | ||
| View original record | Hs. DA. E. BY. from R. c. to BJ. Wor. c. to PN. LHS. c. to SG. CMB. C. c. to Mr. Claremont. X7310 R1/M7.11.28. ACCELERATIONS. X.1725 X.7310 X.7771 X.4550 X.8310 We think for traffic work a… | ||
| Scan055 | Alternative gearbox designs, including epicyclic units, freewheels, and their controls. | ||
| View original record | contd :- -2- sliding these, or continual mesh, with jaw clutch and freewheel side shaft, and also of a still higher 3rd. ratio to be more useful and easier to get into. (There are no doubt top speeds… | ||
| Scan056 | Fixing an oil leak on 'SS' engines by modifying the timing gear lubrication system. | ||
| View original record | BY. from Hs. c. to Wor. Y7310 Hs5/LG12.11.28. 'SS' TIMING GEAR LUBRICATION. X411 We have had trouble with oil leaking out at the back of the fan pulley due to excessive oil spray on the timing gears.… | ||
| Scan057 | Sketch showing a restriction in a timing gears oil pipe for a Super Sports model. | ||
| View original record | V487. SKETCH SHEWING RESTRICTION IN TIMING GEARS OIL PIPE. (SUPER SPORTS) SWEAT IN POSITION. .375 .125 DIA. STAMP: ROLLS-ROYCE, LIMITED. PRINT ROOM. 12 NOV 1928 SBY INITIALS: JWB 12-11-28 | ||
| Scan058 | Instruction from Mr. Royce to use a hardened steel bush and shaft to resolve a binding issue with the 'SS' change speed mechanism. | ||
| View original record | Y7320 To BY. from Hs. c. to WOR. Hs6/LG28.11.28. 'SS' CHANGE SPEED MECHANISM. --------------------------- We notice that on the SS. change speed shaft a phosphor bronze bush is being used. It will be… | ||
| Scan059 | Specifying a different gearbox end for the speedometer drive on the 'SS' car compared to the standard 40/50 model. | ||
| View original record | X7310 To BY. Hs/Rm. c. to O.C. Hs/RdL/LG28.11.28. A.T. SPEEDOMETER DRIVES. +9308 The gearbox end of the speedometer drive on the 'SS' car is different to the standard 40/50. We attach sketch (BY.) of… | ||
| Scan060 | Requesting the fitting of 4 solid engine feet and an experimental bracket to chassis 19-EX. | ||
| View original record | X7310 To Sft. from Hs/Rn. Hs/Rn8/LG13. 12. 28. ENGINE FEET - 19-EX. X7005 Will you please fit 4 solid engine feet which are now being machined, on chasis 19-EX, and also the experimental bracket to… | ||
| Scan061 | The difficulty of removing the gearbox on the 'SS' car, proposing a detachable front cross member as a solution. | ||
| View original record | X7310 To DA/EV. from Hs/Rm. Hs/RmLG/LG13.12.28. X7425 We find that the front cross member of the subframe makes it extremely difficult to remove the gearbox on the complete 'SS' car. We consider that… | ||
| Scan062 | Fault in the 'SS' gearbox preventing easy engagement of the reverse gear. | ||
| View original record | Hs. BY. From R. DA. X7310 R1/M17.12.28. 'SS' GEARBOX. X.7310 X.5310 Mr. Hancock could not easily get in the reverse: evidently the sliding pinion was touching the stationary wheel first instead of… | ||
| Scan063 | Investigation into difficulty engaging reverse gear on an 'SS' model car. | ||
| View original record | BY. from DA. c. to Hs. X. 7310 DA2/M17.12.28. 'SS' REVERSE GEAR. Hs. complained that he had experienced some difficulty in getting into reverse on SS. car. We do not know whether the following… | ||
| Scan064 | Visit by Mr. Hardy to Derby concerning the L.H. SS. gearbox. | ||
| View original record | X. 7310 BY. Hs. from DA. DA2/M18.12.28. 47772 R. instructed that Mr. Hardy should come up to Derby with me in connection with the L.H. SS. gearbox. Would you say whether, if he should come up with me… | ||
| Scan065 | Pause in the development of the L.H. SS. Gearbox, offering to share existing blueprints. | ||
| View original record | DA. c. Hs. 736 BY9/G.20.12.28. L.H. SS. GEARBOX. Referring to DA2/M18.12.28. we have quite sufficient information to enable us to detail the box. The whole of the special mechanism was put in a… | ||
| Scan066 | Modifications to the speedometer drive to create a single drive, omitting the one for the screen wiper. | ||
| View original record | EY. from DA. X7310 DAL/M12.1.29. Copy to BJ. HS. SPEEDOMETER DRIVE. X.7310 We thank you for EY/ECH1C/N8129 giving particulars of the standard speedometer drive end. We send herewith N.sch.2796 shewing… | ||
| Scan067 | Arguing for the adoption of an electrical screenwiper drive as standard, deleting the mechanical drive. | ||
| View original record | DA. BY. HS. from R. c. to SG. Wor. 47310 R2/M30.1.29. SS. GEARBOX+ SCREENWIPER DRIVE. X.7310 X.4478 Certainly delete mechanical drive. In other memos. I have said that electrical drive is the only one… | ||
| Scan068 | From EFC to Mr. Clough requesting details on axle ratios, tyre diameter, and gearbox ratios. | ||
| View original record | X7310 To Mr. Clough. D.O. EFCl/T1.2.29. Would you please oblige me with answers to the following questions :- (1) What are the possible S.S. axle ratios and which is likely to be the normal ? (2) What… | ||
| Scan069 | Specifications for the S.S. Chassis, including rear axle ratio, tyre options, and gearbox ratios. | ||
| View original record | EFC. Y7310 BY/Cgh4/G.1.2.29. S.S. CHASSIS. ------------- In reply to EFC1/T1.2.29. up to the present it is only intended to have one rear axle ratio for the SS. chassis viz. 11/41. Two sizes of tyres… | ||
| Scan070 | Specification sheet for S.S. Chassis gear ratios, including engine and dynamo RPMs at various speeds. | ||
| View original record | X7310 4.2.29. S.S. CHASSIS GEAR RATIOS, ETC. The back axle ratio is 11/41 i.e. 1 : 3.727 The gear box ratios are :- Reverse 1 : 3.086 1st. 1 : 3.511 2nd. 1 : 1.998 3rd. 1 : 1.360 4th. 1 : 1.000 The… | ||
| Scan071 | Recommendation for a detachable front subframe cross member to facilitate the removal of the 'SS' gearbox. | ||
| View original record | To DA. from Hs. c. to BY. c. to Wor. X7380 Hsl/LG14.2.29. 'SS' SUBFRAME. X7380 In order to facilitate the removal of the 'SS' gearbox, when the engine is in the chassis, we would recommend that a… | ||
| Scan072 | Letter discussing the results of the 19-EX car report, focusing on lubrication and gearbox oil leak resolutions. | ||
| View original record | X7310 Expl: Dept: Messrs. Rolls-Royce Ltd., Derby, Angleterre. 19th. Feb. 1929. Hotel de France, Chateauroux, Indre, France. X7941 Mr. McStay, from Hs/G.W.Hancock. We have received your report on… | ||
| Scan073 | Instructions for fitting a baffle plate and new tyres, including vehicle logistical arrangements. | ||
| View original record | contd :- -2- Re. fitting the baffle plate - to do this it is necessary to dismantle the whole of the servo, then the shaft can be withdrawn. There are no nuts to undo inside the gearbox, but care must… | ||
| Scan074 | And comparing different gearbox designs, focusing on 3rd speed, silence, and ease of gear change. | ||
| View original record | SG. from R. c. to Mr. Fuller. c. to Mr. Beaver, c. to Mr. Olley. c. to Wor. DA. c. to Hs. BY. 47310 R3/M5.3.29. SS. AND 20 HP. GEARBOXES. X.7310 X.5310 X.2061 X.523 We have a very good indeed gearbox… | ||
| Scan075 | Page 2 of a memo discussing American schemes and the performance of an SS vehicle after 14,000 miles. | ||
| View original record | contd :- -2- In the meantime I shall be pleased to see if there is anything new to me in the 2 American schemes mentioned by OY. Perhaps he will send drgs. to DA. and DA/Hdy. will make copies and p… | ||
| Scan076 | From D.A. to R. regarding the progress and delays on change gear schemes, including the free wheel and epicyclic gear box. | ||
| View original record | To R. from DA. X7310 DA3/LG13.3.29. CHANGE GEAR PROBLEMS. Referring to R4/M7.3.29., the scheme for the free wheel in the 20 HP. side shaft is finished at West Wittering, except for a few finishing… | ||
| Scan077 | Different types of change-speed gearboxes, categorized by their primary benefits such as ease of changing and silence. | ||
| View original record | To R. from DA. c. to Sg. Hs. BY. X7310 DAL/M25.3.29. CHANGE SPEED GEARBOXES. X.5310 X.523 X.7310. X.2061 Mr. Hardy and I have gone through the gearbox situation, and report as follows: Two objects are… | ||
| Scan078 | Comparative analysis of different gearbox and coupling schemes, page 2. | ||
| View original record | -2- Of those in Class C. only (12) is being used. Some of the others appear to present possibilities of an original arrangement being arrived at. We attach literature concerning : Salerni coupling,… | ||
| Scan079 | Analysis of gearbox designs, focusing on the advantages and disadvantages of internal mesh with dog clutches. | ||
| View original record | contd :- -3- their operation required. Failure of the synchronising mechanism interferes very little with the operation of the car. Increase of cost and weight is small. DISADVANTAGES. Some doubt as… | ||
| Scan080 | Gearbox operation, discussing difficulties with specific types and a proposal for an epicyclic gear system. | ||
| View original record | -4- SEE ORIGINAL FOR SKETCH. The operation of the sliding pieces presents difficulties in both Detroit and Warner gears excepting the Stutz-Detroit gear, and in this case the box is lengthened to… | ||
| Scan081 | Modifications to a 3rd-speed easy-change gearbox, including diagrams. | ||
| View original record | DA. BY. Hs. FROM R. (At Le Canadel) X7310 SECRET. RL/M1 3.4.29. Rec'd at WW. 16.4.29. c. to Sg. Wor. E. OY. Mr.Claremont. GEARBOXES X523 X5210 We need one of our 3rd speed easy changes as soon as ever… | ||
| Scan082 | Typed memorandum with a small sketch discussing the assembly and testing of a freewheel mechanism. | ||
| View original record | -2- large diameter of cutter, plenty of clearance; other parts of the circumference will guide the cage. Cage controlled by narrow surface only on each side say .075". To save time I should like to… | ||
| Scan083 | Proposal for an easy change gearbox device using suction to operate a clutch, potentially for a provisional patent. | ||
| View original record | X7310 DA/HDY. E. By.) FROM R. Hs.) (At Le Canadel.) R2/M14.4.29 Rec'd at WN. 18.4.29. C. to Sg. Wor. Mr.Claremont. X5310 GEARBOXES - EASY CHANGE DEVICES. X4510. When it is desired to change the… | ||
| Scan084 | Improvements to the S.S. gearbox by modifying gear tooth chamfer angles. | ||
| View original record | Hs. RHC. [crossed out] C & G Dept. [crossed out] X7310 BY1/G.1.5.29. S.S. GEARBOX. We ought to be able to make a considerable improvement in gear changing by exploiting the design of tooth I… | ||
| Scan085 | The optimal gearbox oil height from a 10,000-mile test and instructing dipsticks to be marked. | ||
| View original record | X 7310. To BY. from Hs/GEH. c.c. to Wor. Mx. c.c. to RHC. Hs/GEH/LG25.5.39. 'SS' GEARBOX. We found during the 10,000 miles test that the height of oil in the gearbox which gave the most satisfactory… | ||
| Scan086 | Recommendation for S.S. and India 1V speedometer cable revolutions per mile standards. | ||
| View original record | x 4310. To Ev.from Hs/Rn. Hs/Rn/Jl.4.7.299 Copy to Mx. EFC. X4308 X5310, S.S. and India 1V Speedometers. In view of the fact that S.S.owners may fit 20" rims with the smaller tyres to their cars, and… | ||
| Scan087 | Urgent memo detailing a decision to produce the last 70 'O' Series chassis with a larger bore engine and improved gears. | ||
| View original record | X7310 Dft. E. Dept. G. Dept. c. Hy. c. Hs. c. ROY. 'O' SERIES CHASSIS. Will you please note that it has been definitely decided that the last 70 chassis in 'O' series will have to be produced with the… | ||
| Scan088 | Gearbox problems and potential solutions for a more silent and easily changed gear. | ||
| View original record | X7310 Hs. OY. EV. DA. Mr. Claremont. } FROM R. R4/M3.6.29. c. Lord Wargrave LHS. Sg. Wor. Mr. Fuller. PN. E. THE GEARBOX PROBLEM. X5310 X523 X7310 X4510 For a considerable time, we, and most others,… | ||
| Scan089 | The Salerni coupling, its disadvantages, and proposed modifications to improve its function with the clutch and gear change mechanism. | ||
| View original record | -2- contd. Salerni Coupling. This is one of the cleverest attempts at making an easy change. Personally I like the coupling in its simplest form, but I do not like the various devices to overcome its… | ||
| Scan090 | Potential gearbox improvements using helical gears, a jaw clutch, and the Salerni coupling. | ||
| View original record | -3- contd. In conjunction with this scheme the 3rd. speed would probably be single or double helical gears, and the engagement be made by a jaw clutch. As far as we can see this combination would make… | ||
| Scan091 | Correction to scheme 2899, regarding the method for retaining a large ball bearing for an experimental Salerni coupling gearbox. | ||
| View original record | X 7310 By. from DA. c. to Sg. HS. DAL/M8.6.29. X EXPERIMENTAL SALERNI COUPLING AT THE BACK OF EAC.7. GEARBOX. Herewith we send N. scheme 2906., shewing a correction to N. scheme 2899., as regards the… | ||
| Scan092 | Scheme for a silent 3rd speed gearbox using single and double helical gears. | ||
| View original record | X7310 Ry. from DA. C. to Sg. HS. GEARBOX WITH SILENT 3rd SPEED. DA2/M1.2.6.29. X8310 X7310 x 4510 We send herewith N. scheme 2907. shewing the arrangement of a single and double helical 3rd. speed in… | ||
| Scan093 | Arranging a meeting at 113 Ladbrook Road to discuss the speedometer on car 18-EX. | ||
| View original record | X4310 S/W. Hs...from PN. PN.1/WT17.7.29. 18-EX. I shall hope to see you to-morrow at 113, Ladbrook Road, sometime towards the end of the day, and if you are able to have a meal there that evening… | ||
| Scan094 | The difficulty of changing '33' gear boxes and a proposed modification to the rear suspension bracket. | ||
| View original record | By Hs __________ from Mx. X7310- Mx3/T22.7.29. SS. GEAR BOXES. On our past production it has always been possible to fairly easily change gear boxes from chassis to chassis, this is a great advantage.… | ||
| Scan095 | Responding to feedback on the coachwork, speedometer, and steering for car 18-EX. | ||
| View original record | To SG. from HS. c. to PN. xry310 HS.A/TAJ.26.7.29. x 7941 x 7310 x 39919. 18-EX. ----- Replying to SG7/D25.7.29. (1) COACHWORK. We did our best with this. I tried the car before it left Derby and was… | ||
| Scan096 | Test results for climbing Ticknall Hill in car 10-EX, comparing different driving methods and other vehicles. | ||
| View original record | X7310. To E. from Hs/AJL. c. to Da. Hs/AJL.1/MJ.22.8.29. X488. X8774. X7310. A series of tests were carried out to find out the method of driving to be followed in order to climb Ticknall Hill in the… | ||
| Scan097 | Instructions regarding an Epicyclic Third Speed Gear, its schematic, and fitting to car 14-EX. | ||
| View original record | X7310 By. from Da. c. Sg. Hs. Dal/M21.9.29. EPICYCLIC THIRD SPEED GEAR. X. 7640 X. 7310 X. 523 We send herewith N. sch, 2946 showing the gear lever on the box. It has beenset out as before to suitEAC.… | ||
| Scan098 | Epicyclic 3rd speed gear, requesting a new clutch spring and alteration of clutch clearance. | ||
| View original record | X 7310 Ry. from Da. c. Sg. Hs. Da2/M21.9.29. EPICYCLIC 3rd. SPEED GEAR X.7640 X.523 X.7310 We send herewith N. sch. 2949, a diagram of the forces in the controls, which we think will be self… | ||
| Scan099 | Investigation into the comparative merits and noise levels of spur, epicyclic, and internal gears for a silent 3rd-speed gearbox. | ||
| View original record | X7310 Ry. from Da. c. Sg. Hs. Da3/M24.12.29 X.5310 X.7310 X.523. SILENT 3RD SPEED GEARBOX. Herewith we send N.Sch.3002 - an investigation of the comparative merits of spur, epicyclic, and internal… | ||
| Scan100 | Requesting modifications to sliding dogs for the 14-EX car silent third speed gearbox. | ||
| View original record | X 7310. To RHC. From Hs/Tsn. Hs/Tsn.1/MJ.31.12.29. RE. SLIDING DOGS FOR 14-EX SILENT THIRD SPEED. We should like the attached modification carried out to these for 14-EX car. We do not know whether… | ||
| Scan101 | Modification drawing for 3 1/2' & 7 1/4' gear dogs, part number G 77976. | ||
| View original record | MOD. TO 3 1/2" & 7 1/4" GEAR DOGS - G 77976. H.281 FOR 14 EX. TEN TEETH TO BE CUT BACK AS SHOWN (IN PAIRS) LEAVING FIVE EQUALLY SPACED WITH ORIGINAL 10° CHFR 1.178 10° Tsn 30/12/14 | ||
| Scan102 | Stamped document page with faint, illegible text. | ||
| View original record | ROYCE 30 DEC 1929 DERBY. | ||
| Scan103 | Causes and fixes for oil leaks from the No.2-WJ gearbox. | ||
| View original record | To PN. From Hs/GWH. c. to Hm. c. to AP. x7810 Hs/GWH.1/147.13.1.30. x7960 x7810 RE. LOSS OF OIL FROM NO.2-WJ GEAR BOX. ------------------------- It would seem from the general faults of oil leaks in… | ||
| Scan104 | Development of an improved and silent 4-speed car change speed gear. | ||
| View original record | X7310 Da/Hdy. } FROM R. E. Hs. } (At Le Canadel) R8/M13.1.30. c. Sg. Wor. By. CAR CHANGE SPEED GEAR X.523 X.7310 X.5310. X.4510 I have asked Mr.Hardy to see if he can come here for one week clear,… | ||
| Scan105 | Gearbox changing, silence, and the potential adoption of a freewheel system. | ||
| View original record | X7310 R. from Da/Hdy. c. SS. Wor. C. c. CX. PN. H. c. HS. Da. Da/Hdy1/M15.1.30* GEARBOX CHANGING AND SILENCE X.523 X.7310 X.5310 X.2061. I discussed the gearbox situation with C. Cx. and H. on Friday… | ||
| Scan106 | Technical discussion on gearbox performance, noise, and comparisons with Graham-Paige, Chrysler, and Armstrong-Siddeley models. | ||
| View original record | Da/Hdy1/M15.1.30 contd. -2- than one gear was appreciably increased. shunting the car took less time. The so called easychange on Graham-Paige and Chrysler cars works without much shock that is… | ||
| Scan107 | Significant oil loss from the Phantom II gearbox compared to the Phantom I. | ||
| View original record | +7310 PN.3/WT16.1.30. Memo...from PN. Copy to Hs. GWH. +7310 x7960. Loss of oil from 2-WJ. gearbox. Referring to Hs/GWH1/MJ13.1.30. in this memo it is stated "that the loss of oil from the gearbox on… | ||
| Scan108 | Excessive oil loss from a Phantom II gearbox. | ||
| View original record | x7310. To PN. From Hs. c. to Hm. c. to MP. Hs.1/MJ.17.1.30. Replying to PN.3/WT16.1.30. LOSS OF OIL FROM PHANTOM II GEAR BOX. x7310 x7960 Our records shew that on the last 10,000 miles test with… | ||
| Scan109 | Comparing calculations on various gearbox types to determine relative noise levels. | ||
| View original record | X 7310 R. from Da/Hdy. (held up) c. Hs. Da. Da/Hdy1/M20.1.30. X.2061 X.523 X.7310 X.5310 GEARBOX - SILENCE. We have made some calculations on the various types of gearbox to determine the relative… | ||
| Scan110 | 'plucking' issue with the Phantom II gearbox during dynamometer testing. | ||
| View original record | Sft from Mx. PHANTOM II - GEAR BOX We are having quite a lot of trouble with the second speed gear "plucking" on the dynamometer. From time to time we have had occasional cases of this on all our… | ||
| Scan111 | Gearbox problem, reviewing existing solutions and proposing a new design. | ||
| View original record | DA. E. FROM R. BY. HS. (At Le Canadel.) R2/M10.2.30. X. 7310. X. 5310. X. 523. C. to SG. WOR. RG. C. to C. EX. Mr. CLAREMONT. THE GEARBOX PROBLEM. I have the impression that some definite progress… | ||
| Scan112 | Different transmission control schemes, including clutches, brakes, and freewheeling. | ||
| View original record | (2) (d) Then comes the reverse unit which is positive by jaw clutches, preferably of epicyclic type. (e) Servo drive (always connected with the car.) I think the gears as shewn in sketch 1. are… | ||
| Scan113 | New gearbox design, detailing clutches, speed rings, pawls, and potential patentable claims. | ||
| View original record | (3) With the gear shewn (sketch 1.) there is no need of through drive clutches, either friction or jaw type, until we come to the top gear, which usually presents no difficulties, and a jaw clutch can… | ||
| Scan114 | Alternative schemes for altering the direct leverage braking system on S.S. cars. | ||
| View original record | BY. From Hs/Rn. c. to Da. c. to Wor. X7310 Hs/An.2/W.21.2.30. ALTERING DIRECT LEVERAGE BRAKING. X7430 In considering the cost of the change-over for altering the direct braking of S.S. cars, we note… | ||
| Scan115 | Technical memorandum discussing problems and preliminary designs for a full epicyclic gearbox. | ||
| View original record | X7310 R. from Da/Hdy. c. Sg. Rg. E. c. Ey. Hs. Da/Hdy1/M12.4.30. X.7310 X.5310 X.523 GEARBOX PROBLEM. In reply to R1/M1.4.30. we have been making preliminary designs for the full epicyclic gear as… | ||
| Scan116 | Investigation into different gear train arrangements to achieve a necessary ratio. | ||
| View original record | -2- We have also investigated the following methods of obtaining the necessary ratio :- (1) Simple train annulus driven. (2) Simple train annulus driven driving through the cage of 2nd. speed to… | ||
| Scan117 | Technical document detailing the design and control of a synchro-mesh gearbox system, including patent applications. | ||
| View original record | -3- The planet speed is .436 by engine speed, and the pitch velocity 230 ft. per min. CONTROL. We have made application for patents for :- (a) Clutch pedal interlock, with vacuum control. (b) Balanced… | ||
| Scan118 | Analysis of braking and gear change mechanisms, including torque calculations and potential control improvements. | ||
| View original record | -4- Da/Hdy1/M2.4.30 contd. The 1½" for the application of the brake would not be required if the lever were stopped momentarily for this purpose. Actually, it seems necessary to provide for the more… | ||
| Scan119 | Gearbox and clutch design to address issues during coasting. | ||
| View original record | Da/Hdy1/M2.4.30 contd. -5- Coasting presents some difficulties and seems to require a neutral between 3rd. and top marked on the quadrant at which the dogs are not withdrawn in addition to the neutral… | ||
| Scan120 | Three gearbox schemes with accompanying blueprint diagrams. | ||
| View original record | X7310 To R. from Da. g. Sg. E. Rg. c. Hs. By. Dall/N14.4.30. X.7310 X.5310 X.523 RE : GEARBOXES. Enclosed herewith is a memo which Mr.Hardy has prepared on the work on the Gearbox problem. We also… | ||
| Scan121 | Technical discussion on gearbox and clutch modifications and comparisons. | ||
| View original record | Dell/N14.4.30 contd. -2- This is one more position than provided by Messrs. Armstrong-Siddeley viz. "Coast". In this position the dog clutch can-be is not withdrawn, so that the engine can be… | ||
| Scan122 | Investigations into car gear problems and proposing a new scheme. | ||
| View original record | X7310 Da/Hdy. E. ) FROM R. By. Hs. } (At Le Canadel) C. SE. Wot. R1/M29.4.30. X5310 X7310 X523 CAR WORK - GEAR PROBLEM. I must first thank Messrs. Day and Hardy for their investigations and… | ||
| Scan123 | Gearbox design alternatives, comparing pinion trains, gear ratios, and clutch systems. | ||
| View original record | -2- itself seems extremely good in several combinations. I had noticed the difficulty with 3 pinion driven trains of getting the 3rd. as high as we might wish, and examined most of the alternatives,… | ||
| Scan124 | The design and control of an epicyclic gearbox, including servo-assisted shifting. | ||
| View original record | -3- (6) For simplicity, and for a trial, we may obtain our neutral by letting the reverse run idle. (7) The side lever should have forward, neutral, and reverse, so that one gets a neutral in each… | ||
| Scan125 | Servos for sequential gear changes and an alternative freewheel sideshaft. | ||
| View original record | -4- (11) You will see that with either of these servos we should change in sequence (which is preferable) and we need not touch clutch or accelerator and lose time on a hill (or we could interlock if… | ||
| Scan126 | Technical memo discussing improvements to the change gear mechanism using jaw clutches and resilient couplings. | ||
| View original record | X7310. De/Hdy. ) FROM R. Hs. E. ) (At Le Canadel) c. SG. Wor. R2/M29.4.30. X528 X5216 X7310 CAR WORK - CHANGE GEAR. When the box is fitted with any form of constant mesh gears with jaw clutch change,… | ||
| Scan127 | Requesting results on the application of a Salerni coupling to EAC.7 gearboxes. | ||
| View original record | X7310 By. } FROM Da. Hs. } Da2/M7.5.30. X.5410 X.7310 X.523 GEARBOXES. We hope you have been able to get on with the details of the Salerni coupling applied to EAC.7. We are anxious to have some… | ||
| Scan128 | Various gearbox design problems and proposed schemes. | ||
| View original record | X7310 Hs. By. FROM R. c. Sg. Wor. c. PN. De. R1/M26.5.30 X.7310 X.5310 X.523 GEARBOX PROBLEM. WW. propose to concentrate on our complete epicyclic scheme and what we have given Derby, viz. (1)… | ||
| Scan129 | Technical memorandum discussing automatic gear change systems, comparing a proposed design to the Wilson gearbox. | ||
| View original record | R1/M26.5.3 O. contd. -2- Change speed relay control is on the steering column. This relay will probably be electrical, but it can be oil or vacuum with certain disadvantages. By using double way… | ||
| Scan130 | Plunger springs in the L.H. P.2 gearbox central levers providing insufficient load, with proposals for alteration. | ||
| View original record | X7310. By. from Da. C. Sg. Hs. Da3/M28.5.30. L.H. P.2. GEARBOX. CENTRAL LEVERS. X.7772 X.7310 With reference to the question of providing more load against sideways deflection on the lever we see that… | ||
| Scan131 | Condition of Phantom II gearbox gears after dynamometer testing with and without Whitmores compound. | ||
| View original record | Hs. from Mx. X7 310. Mx9/T30.5.30 X7 310. PHANTOM II GEAR BOX Examination of condition of gears after Dynamometer invariably shows local plucking of the gear tooth surface, particularly on the second… | ||
| Scan132 | Failure of a free-wheel system for the third gear and the decision not to apply it to the Phantom car. | ||
| View original record | To SG. From Hs. c. to Wor. c. to E. c. to PN. X7310. Hs.6/MJ.2.6.30. V523 X7310 EASY CHANGE THIRD GEAR. Replying to Sg.13/E30.5.30. You will see from our reports that the free-wheel which we have been… | ||
| Scan133 | Testing Phantom II gearboxes with Whitmore's and Price's compounds. | ||
| View original record | COPY. X 7310. X. 4481. X. 967. X. 7310. X. 7530. BY. HS. From Mx. Mx8/T11.6.30. PHANTOM II GEAR BOXES. Further to my memo MX9/T30.5.30., we have run three Phantom Gear boxes with 50% of Whitmore's… | ||
| Scan134 | The use of Whitmore's and Price's lubricating compounds in Phantom II gearboxes and axles. | ||
| View original record | COPY. X7310 MX. C. Hs. X.967. X.7310. X.7350. BY3/G.12.6.30. GEARBOXES AND AXLES - PHANTOM 11. MX8/T.11.6.30. I am quite in agreement that the use of Whitmore's Compound or Prices (actually to be… | ||
| Scan135 | Experiment with an easy change gear system using a constant mesh double helical gear. | ||
| View original record | To AG. From HS. c. to WDR. c. to H. K 310 Hs. 2/AD. 2. 7. 30. K533 V 7310 V 5310 EASY CHANGE GEAR. Replying to Sg19/E1.7.30. 14-EX. car has fitted to it an experiment using a constant mesh double… | ||
| Scan136 | The failure of the free-wheel on the 25 HP model and the need for a modified design. | ||
| View original record | -2- Hs.2/AD.2.7.30.Contd. The free-wheel on the 25 HP. failed. We are still waiting for the completion of the Salerni scheme. If there is going to be an immediate demand for an easy change, the only… | ||
| Scan137 | The unsuitability of a compound in Phantom II gearboxes due to electrolytic action. | ||
| View original record | COPY. X7310 BY. HS. c. Wor. c. Sft. c. EP. X. 967. X. 7310. X. 7350. MX12/T2.7.30. RE. GEAR-BOXES - PHANTOM II. With reference to Mx8/T11.6.30 and By3/G12.6.30 regarding the use of a percentage of… | ||
| Scan138 | Extract from a report regarding the necessity of the gearbox undershield. | ||
| View original record | To F. From Hs. c. to SG. Nor. c. to E. Da. c. to By. X7310 Hs.7/W.23.7.30. X7941 X7310 24-IX. The following is an extract from G.W.Hancock's report 20.7.30. We are confirming this on other cars. :-… | ||
| Scan139 | Reminder note about Silent Third Gear and a query regarding the purchase of a Graham Paige vehicle. | ||
| View original record | COPY. X7310. S/W. To Hs. From Sg. Sg.7/D30.7.30. X.523. X.7310. X.5310. Just a note to remind you to write the note to R., with copies to others concerned, immediately after the holiday in regard to… | ||
| Scan140 | Methods to prevent oil leakage from the back of 20/25 HP and 40/50 HP gearboxes. | ||
| View original record | BR. c. Hs. X7310 BY3/G.20.8.30. X7310. K5310. 20/25 HP. and 40/50 HP. GEAR BOXES. RE LEAKAGE OF OIL FROM THE BACK OF THE BOX. We notice on the 20 HP. scheme recently sent us that in order to obviate… | ||
| Scan141 | Drawing of a 3rd motion shaft bearing housing and oil return passage for a 40/50 HP chassis. | ||
| View original record | SEE N SCH. 3076 FOR 20 HP. GL. 418. 2 HOLES .1562 DIA. MILLED RECESS 'A' 40/50 HP. CHASSIS. 3RD MOTION SHAFT BEARING HOUSING - OIL RETURN PASSAGE. (SCALE - 1/1) 20/12/20. | ||
| Scan142 | Urgent improvements to the gearbox, specifically the 2nd and 3rd gears, for the Phantom engine. | ||
| View original record | Hs. } FROM R. Ev. } E. Sq. Wor. X7310 R7/M22.8.30. X.7310 X.5310 X.523 CAR WORK - CHANGE GEAR POSITION. We are looking upon this as a very urgent matter. It is difficult to get anything sufficiently… | ||
| Scan143 | Evaluation of competitor gearboxes from Studebaker and Graham Paige. | ||
| View original record | Sg. From Hs. c. to Wor. X 310. Hs.4/W.29.8.30. X523 Y7310 Y5310 SILENT THIRD GEAR. Replying to Sg7/D30.7.30. This matter has been fully discussed with R. On Wednesday the 27th.inst., we took to W.W. a… | ||
| Scan144 | Development of a silent third gear, referencing competitor cars and advocating for a simple epicyclic gear scheme. | ||
| View original record | COPY. X7310 To Hs. From Sg. c. to Wor. PN. Sg19/E1.9.30. X.523. X.7310. X.5310. Re. Silent Third Gear. Thanks for Hs.4/MJ.29.8.30. I am delighted to hear that you took the Graham Page down to R. and… | ||
| Scan145 | Summary comparing different change gear schemes, including jaw clutch and epicyclic units, as a basis for future work. | ||
| View original record | X7310 Sg. ) FROM R. HS. ) c. Sg. Wor. Ey. c. C. EP. FN. RL/M.9.30. X.523 X.5310 X.7310 CHANGE GEAR SUMMARY UPON WHICH OUR WORK IS BASED. It is understood and agreed that at least we must have a more… | ||
| Scan146 | Comparative analysis of spool gear, freewheel & jaw clutch, and synchro-mesh transmission schemes. | ||
| View original record | RL/M.9.30. contd. -2- SPOOL GEAR. (Graham-Paige and Chrysler) (1) 3 pairs of gears always in mesh (both idling and direct drive, and there is no reason for easier change except :- (2) 3rd. to 4th.… | ||
| Scan147 | Continued page of a report discussing an epicyclic gear design and the associated development work. | ||
| View original record | RL/ML.9.30 contd. -3- as regards change). One other design was sent of an epicyclic 3rd. and 4th. with lower gears than ordinarily, but I did not consider this perfect enough to make,so stopped the… | ||
| Scan148 | Various gearbox schemes for a silent third gear. | ||
| View original record | x7310 Sg. From Hs. c. to Wor. c. to PN. Hs.2/WJ.2.9.30. Y523 Y7310 Y5310- SILENT THIRD GEAR. Replying to Sg19/E1.9.30. W.W. are really busy on various gear-box schemes. We found when we were there… | ||
| Scan149 | Competitor's car, the Graham Paige, comparing it to the Phantom II and proposing an experiment in engine block casting. | ||
| View original record | -2- Hs.2/W.2.9.30.Contd. R. was quite impressed with the Graham Paige, almost to the point of being annoyed by its good features. The silence of the third gear shewed up to be very much better than… | ||
| Scan150 | Oil leakage from the back of 20/25 and 40/50 gearboxes, focusing on oil thrower and drain hole design. | ||
| View original record | X7310 By. from Da. C. Hs. Da5/M2.9.30. X.7310 X.5310 20/25 & 40/50 GEARBOXES LEAKAGE OF OIL FROM BACK OF BOX. Replying to By3/G20.8.30. the scheme which has always been fitted to the P.2. gearbox (see… | ||
| Scan151 | 'Sg.' to 'Hs.' discussing the development of a silent third gear versus an epicyclic gear. | ||
| View original record | X7310 Y523 X5310 X7310: To Hs. from Sg. Silent Third Gear etc. Sg12/E8.9.30 Referring to Hs.2/MJ.2.9.30 you will have received a copy of R1/M1.9.30. I should be glad if you could tell me what line you… | ||
| Scan152 | Problems with the Phantom II Left Hand Chassis, specifically the radiator, thermostat shutters, gearbox, and clutch, following endurance testing. | ||
| View original record | COPY. x 7310 To Sr. From Hs. c. to Wor. c. to Wmr. By. Hsl/ADS.9.30. X.7772. X.7941d. X.7250. X.3499 X.7310. X.7480. X.7080. PHANTOM II LEFT HAND CHASSIS. As a result of running 24-EX 10,000 miles in… | ||
| Scan153 | Technical report on modifications to the clutch, carburetter, and brakes for experimental cars. | ||
| View original record | we can overcome some of the faults with the present clutch by adding extra rivets, this is being done at once. 25-EX will go away with the new type clutch if the modifications now being tested make it… | ||
| Scan154 | Different schemes and trials for a silent third gear system. | ||
| View original record | To Sg. From Hs. K7310. Hs.3/AJ.9.9.30. X523. XS310 K7310. SILENT THIRD GEAR ETC. Replying to Sgl2/HS.9.30. We do not know definitely what form the schemes will take which R. mentions in his memo… | ||
| Scan155 | Different design schemes and modifications for a gearbox problem. | ||
| View original record | SG. FROM R. C. to WOR. BY. C. to HS. C. C. to DA. E. X7310 GEARBOX PROBLEM. Referring to the situation at the moment, we have in the hands of Derby the helical sideshaft and the 3rd.gear controlled by… | ||
| Scan156 | Technical comparison of various automotive gear and clutch systems. | ||
| View original record | (2) too elaborate and complicated for profitable production- (some of No. 3. has gone to Derby.) This 4th. scheme consists of the same epicyclic accelerated train and reverse as No.2, but the 2nd. and… | ||
| Scan157 | Various 'easy change' gearbox schemes following a visit to West Wittering. | ||
| View original record | To Sg. From Hs. c. Wor. c. Ey. X7310 Hs1/AD2.10.30. X.7310. X.5310. X.523. VISIT TO WEST WITTERING 30.9.30. Easy Change. We found that R. had taken your note seriously and was busy making simpler… | ||
| Scan158 | Discussion about a gearbox from the U.S.A. and a plan to fit Maybach type clutches. | ||
| View original record | Hsl/AD2.10.30 contd. -2- With regard to the gear box from U.S.A. he was quite interested in this and would like to see same when it arrives. It was also agreed Derby should make a scheme to fit… | ||
| Scan159 | Seeking clarification on various 'easy change' gearbox schemes, referencing the Phantom II and Maybach clutches. | ||
| View original record | X7310 To Hs. from Sg. c. Wor. By. Sg3/E3.10.30. RE - EASY CHANGE. X.7310 X.5310 X.523 Thanks for Hsl/AD2.10.30. I am very pleased to note that R. has taken this matter seriously and is busy making… | ||
| Scan160 | Proposed epicyclic gear and the fitting of Maybach clutches to the Phantom I gearbox. | ||
| View original record | To Sg. From Hs. c. to Wor. c. to BY. Handwritten: X 7310 Hs.2/AJ.4.10.30. X. 7310. X. 5310. X. 523. Ré. Easy Change. Replying to Sg3/23.10.30. The chief difference between the proposed epicyclic gear… | ||
| Scan161 | Requesting the construction of a specimen epicyclic 3rd speed gear train for testing purposes. | ||
| View original record | BY. FROM DA. X7310 DA1/M4.10.30. C. to SG C. to HS. GEARBOXES - EPICYCLIC 3rd. SPEED. X.7310. X.5310. X.523. Herewith we send N. sch. 3149. shewing the epicyclic 3rd. speed train in the revised… | ||
| Scan162 | Confirming the dispatch of drawings for a revised epicyclic 3rd speed gearbox for testing purposes. | ||
| View original record | BY. FROM DA. Copy to - HS. X/7310 DA1/M/13.10.30. REVISED EPICYCLIC 3rd. SPEED GEARBOX. X. 5310. X. 7310. X. 523. This is to confirm having sent you on Saturday N. sch. 3155. a drawing of the gears in… | ||
| Scan163 | Revised epicyclic 3rd speed gearbox and associated schematics. | ||
| View original record | X/7310 BY. FROM DA. DA1/M16.10.30. C. to SG. HS. REVISED EPICYCLIC 3rd. SPEED GEARBOX. X. 523. X. 5310. X. 7310. We send herewith N. schemes 3150/51.. shewing particulars of the casing of this… | ||
| Scan164 | Revised drawing for the epicyclic third gearbox, noting a change in the joint's position. | ||
| View original record | BY. FROM DA. C. to SG. HS. X7310 DA1/M25.10.30. EPICYCLIC THIRD GEARBOX REVISED. X.523. X.7310. X.5310. Herewith we send N. sch. 3156 shewing the actuation of the gears in the three speed box. It also… | ||
| Scan165 | Modification to jaw clutches for the revised epicyclic third-speed gearbox. | ||
| View original record | BY. FROM DA. X 7310 DA1/M29.10.30. Copy to SG. Copy to HS. EPICYCLIC THIRD SPEED GEARBOX REVISED. X. 7310. X. 5310. X. 523. Herewith we send N. sch. 3158. shewing a modification to the jaw clutches in… | ||
| Scan166 | Modification to the 1st speed dogs for the all-epicyclic gearbox. | ||
| View original record | BY. FROM DA. Copy to SG. Copy to HS. X7310 DA2/M29.10.30. ALL-EPICYCLIC GEARBOX. X.523. X.7310. X.5310. Herewith we send N. scheme 3159., showing a modification to the 1st. speed dogs for the… | ||
| Scan167 | Revisions to an epicyclic 3rd speed gearbox, focusing on the oil pump and an experimental shaft shaping for lubrication. | ||
| View original record | X7310 BY. FROM DA. DA1/M31.10.30. Copy to SG. Copy to HS. EPICYCLIC 3rd. SPEED GEARBOX REVISED. X.7310. X.5310. X.523. Herewith we send N. sch. 3161. shewing the arrangement of the oil pump and… | ||
| Scan168 | Revisions to the epicyclic 3rd speed gearbox, superseding a previous scheme. | ||
| View original record | BY. FROM DA. DA1/M1.11.30. Copy to SG. Copy to HB X7310 EPICYCLIC 3rd. SPEED GEARBOX REVISED. X.7310 X.5310. X.523. Herewith we send N. sch. 3160. giving further particulars of the box, namely, the… | ||
| Scan169 | Current position and assessment of various change gear technologies. | ||
| View original record | SG. FROM R. Y7310 R1/M3.11.30. C. to WOR. EY. C. to HS. PN. C. to C. EP. C. to DA. E. CHANGE GEAR - PRESENT POSITION. X.523. X.7310. X.5310. X.4510. X.2061. Although we have given this subject much… | ||
| Scan170 | Technical discussion on various gearbox schemes and the development of a new gear system. | ||
| View original record | (2) applied to a 3 speed box, which is not ideal for present driving conditions which ask for a fairly low top and high third. This gear change is not available to us and I should not recommend its… | ||
| Scan171 | Gearbox design, detailing the move from a 2-speed to a 3-speed system with pre-selection. | ||
| View original record | (3) the design work this month. In the meantime Derby have many parts that they can proceed with. We finally came to the conclusion that to overcome certain difficulties of control and operation a 3… | ||
| Scan172 | Modifications and additions for the revised epicyclic 3rd speed gearbox. | ||
| View original record | X/7310 BY. FROM DA. Copy to SG. Copy to HS. DA1/M4.11.30. REVISED EPICYCLIC 3rd. SPEED GEARBOX. X.7310 X.5310. X.523. We send herewith N. sch. 3163. shewing some slight modifications and additions to… | ||
| Scan173 | Revisions to the Epicyclic 3rd speed gearbox, including details on clutch components and a request to investigate an 8.5' fabric coupling. | ||
| View original record | X7310 BY. FROM DA. DA1/M7.11.30. Copy to SG. Copy to HS. EPICYCLIC 3rd. SPEED GEARBOX REVISED. X.7310. X.6310. X.523. Herewith we send N. sch. 3166. shewing additional details of the above, namely,… | ||
| Scan174 | Revised epicyclic 3rd speed gearbox and associated modifications. | ||
| View original record | X7310 BY. FROM DA. Copy to SG. Copy to HS. DA2/M7.11.30 X.7310 X.5310 X.523. EPICYCLIC 3rd. SPEED GEARBOX REVISED. we herewith send N. scheme 3168. - Modifications to the servo and brake arrangements… | ||
| Scan175 | Revisions to the epicyclic 3rd speed gearbox, affecting the inspection cover and vacuum control cylinder. | ||
| View original record | COPY. FROM DA. C. to SG. HS. X7310 DA1/M11.11.30. EPICYCLIC 3rd. SPEED GEARBOX. (REVISED.) X.7310. X.5310. X.523. Herewith we send N. sch. 3152. - Plan View of the above. It will be noticed that the… | ||
| Scan176 | Epicyclic third gear schemes for the Phantom II gearbox. | ||
| View original record | X7310. BY9/G.11.11.30. PHANTOM 11 GEAR BOX - EPICYCLIC THIRD SCHEMES. At the Conference I expressed the view that R's latest scheme only provided four gear ratios, but there was a general impression… | ||
| Scan177 | Using an epicyclic gearbox, limiting it to four speeds instead of the possible six. | ||
| View original record | - 2 - as to use the epicyclic in all combinations except direct, and R. therefore has produced an orderly and natural sequence by limiting himself to four speeds only out of the possible six. BY. | ||
| Scan178 | Proposal to shorten the oil pump on the Epicyclic 3rd Speed Gearbox to allow a rocker shaft to pass. | ||
| View original record | BY. FROM DA. C. to SG. HS. X7310 DA2/M12.11.30. EPICYCLIC 3rd. SPEED GEARBOX (REVISED) - OIL PUMP. X.7310. X.5310. X.523. On looking further into the assembly of this box we think we should like to… | ||
| Scan179 | Proposed assembly procedure for an Epicyclic 3rd speed gearbox. | ||
| View original record | X/310 BY. FROM DA. DA3/M12.11.30. Copy to HS. EPICYCLIC 3rd. SPEED GEARBOX REVISED - ASSEMBLY. X.7310. X.5310. X.523. We should like to give you an idea of how we propose to assemble this box so that… | ||
| Scan180 | Development of a quieter epicyclic gearbox, considering helical gears and synchronous mesh systems. | ||
| View original record | HS. BY. } FROM R. DA. (At Le Canadel.) A7310 R1/M20.12.30. C. to SG. WCR. C. to E. RHC. 25HP. & 45HP. GEARBOX. EPICYCLIC UNITS. X 7310 X S310 x 523 I am very anxious to get a specimen gear made of the… | ||
| Scan181 | Work on a steering column for a vacuum control pre-selection scheme. | ||
| View original record | COPY. (2) R1/M20.12.30 cont. It will be remembered that there is the steering column job to do for the vacuum control of the double top pre-selection scheme. DA/EV. volunteered to do this but he may… | ||
| Scan182 | Questioning the change from a roller bearing to a ball bearing on the reverse shaft of a gearbox. | ||
| View original record | BY. FROM DA? X9310 DA1/M16.1.31. Copy to HS. P. 2. GEARBOX. We notice on a drawing we have here that the roller bearing on the rear end of the reverse shaft originally schemed at WW., has been… | ||
| Scan183 | The type of bearing used on the Phantom II gearbox reverse shaft. | ||
| View original record | DA c. Hs. Y7310. BY/Cgh16/G. 20.1.31. RECEIVED 1931 JAN 12 HS PHANTOM 11 - GEARBOX. With reference to DAL/M.16.1.31. we do not know which drawing you are referring to, but we have not substituted a… | ||
| Scan184 | Rusting and seizing issues with the change speed mechanism, with a warning about dismantling. | ||
| View original record | Hs from Mx. X7320. Mx4/T2.2.31. LEFT HAND CHASSIS - CHANGE SPEED MECHANISM We are experiencing trouble on chassis on test with rusting and seizing up of the change speed mechanism. This has occurred… | ||
| Scan185 | Complaint of rust on the left-hand chassis change speed mechanism and a proposed solution. | ||
| View original record | To BY. From Hs/GWH. c. to Mx. X7 320. Hs/GWH.5/KT.10.2.31. RE LEFT HAND CHASSIS. We have had a complaint of the rusting up of the change speed mechanism in the tower of the above cars while standing… | ||
| Scan186 | Prevention of rust in the change gear mechanism by addressing electrolyte issues and applying protective measures. | ||
| View original record | Hs/GWH. c. Sft. c. NH. (struck through) c. BY/TWD. X7320. BY3/G.12.2.31. L.H. CHASSIS - CHANGE GEAR MECHANISM. -------------------------------- Referring to Hs/GWH.5/KT.10.2.31. with the exception of… | ||
| Scan187 | The side lever mechanism for the epicyclic 3rd speed gearbox. | ||
| View original record | BY. FROM DA. X7310 DA3/M14.2.31. C. to SG. WOR. C. to HS. HY. SIDE LEVERS - EPICYCLIC 3rd. SPEED GEARBOX. We send herewith N. schemes 3220/1., shewing the side lever mechanism for use with the… | ||
| Scan188 | The completion status of the epicyclic 3rd speed gearbox and the dispatch of related prints. | ||
| View original record | R. FROM DA. C. to SG. WOR. C. to BY. HS. HY. X7310 A4/M14.2.31. P. 2. EPICYCLIC 3rd. SPEED GEARBOX. we had completed the epicyclic 3rd. speed gear with the exception of the gate and levers, and the… | ||
| Scan189 | Revisions to the steering column controls for the P.2. epicyclic 3rd speed gearbox. | ||
| View original record | R. FROM DA. X7310 DA1/M19.2.31. C. to SG. WOR. C. to EY. HS. HY. P. 2. EPICYCLIC 3rd. SPEED GEARBOX - CONTROLS. X.7310. X.7240. Herewith we send print of N. sch. 3226., unfinished scheme of the… | ||
| Scan190 | Original schemes for controls of an epicyclic 3rd speed gearbox vacuum cylinder. | ||
| View original record | BY. FROM DA. C. to SG. WOR. C. to HS. HY. X7310 DA3/M23.2.31. P. 2. EPICYCLIC 3rd. SPEED GEARBOX. Herewith we send the originals of N. schs. 3226/7/8., as requested in your telegram this morning. They… | ||
| Scan191 | Modifications to the 'Maybach dogs' on an epicyclic 3rd speed gearbox to avoid a clicking sound during synchronisation. | ||
| View original record | BY. } FROM DA. HS. } X7310 DA4/M23.2.31. X.2200. X.7310. C. to SG. WOR. HY. MAYBACH DOGS. Herewith we send N. sch. 3230. shewing the modifications to the dogs on the epicyclic 3rd. speed box which we… | ||
| Scan192 | Required alterations to the easy change silent gearbox designs for the 40/50 and 25 HP models. | ||
| View original record | To R. From Hs/Rm. c. to Da. E. c. to By. Wor. Sg. X 7310 Hs/Rm.14/KT. 2.3.31. X. 7310. X. 5310. X. 523. R.R. EASY CHANGE SILENT GEARBOXES. In view of the information obtained from Dr. Maybach, it… | ||
| Scan193 | Modifying Maybach jaws on an epicyclic 3rd speed gearbox after driving experience with 14-EX. | ||
| View original record | X7310 R. FROM DA. DA4/M3. 3. 31. C. to SG. WOR. P. 2. EPICYCLIC 3rd SPEED GEARBOX. X.7310. C. to HS. BY. HY. X.2200. After our experience in driving 14-EX. with the experimental Maybach dogs we tnink… | ||
| Scan194 | Progress and design choices for gearboxes, comparing a simple design with Maybach and epicyclic options. | ||
| View original record | HS. DA/HDY. ) FROM R. X7310 E. BY. ) (At Le Canadel.) c. to - SG. WOR. GEARBOXES. R2/M9.3.31. X.7316. X.5310. X.523. So far we have got on slowly with the above to make any definite improvement from… | ||
| Scan195 | Testing a separate gearbox for the Phantom II by fitting it to the 19-EX car. | ||
| View original record | COPY. To RHC. From Hs/Rm. Hs/Rm.6/KT.17.3.31. SEPARATE GEARBOX FOR PHANTOM 11. We understand that the question that whether this box is likely to be useful has been raised. We still require a test for… | ||
| Scan196 | Modifications to the epicyclic third-speed gearbox controls regarding the height of the quadrant and lever finger grips. | ||
| View original record | BY. FROM DA. X7310 DA1/M30.3.31. Copy to HS. EPICYCLIC THIRD SPEED GEARBOX CONTROLS. X.7310. X.7240. With reference to N. scheme 3226, we noticed on the sample fitted to 27-EX. that the levers… | ||
| Scan197 | Preliminary test results on an epicyclic easy change gearbox with a vacuum controlled twin top change gear. | ||
| View original record | To R. From Hs/Ltd. c. to SG. Nor. c. to F. Da. Sy. 87310 Hs/Ltd.4/RT.31.3.31. X7310. X525 EPICYCLIC EASY CHANGE GEARBOX. We have carried out some preliminary tests on the Epicyclic gearbox with vacuum… | ||
| Scan198 | Technical report on gearbox noise and gear change issues, particularly concerning epicyclic third gear and Maybach dogs. | ||
| View original record | (2) two pairs of helicals are revolving more slowly for the same engine speed and make less noise, but the epicyclic noise counteracts this. The epicyclic third is very noisy under load much more… | ||
| Scan199 | Gearbox issues, including a 'clonk' sound, complicated gear changes, and proposals for gear improvements. | ||
| View original record | (3) Hs/Lid.4/KT.31.3.31.cont. (b) A big "clonk" from the toggle mechanism each time the gear is changed. (c) The combination of ahving a gear change by gear lever and from the steering wheel is very… | ||
| Scan200 | Altering the steering column controls for the epicyclic third-speed gearbox on car 27-EX. | ||
| View original record | To RHC. From Hs/Lid. X7310 Hs/Lid.9/KT.1.4.31. EPICYCLIC THIRD SPEED GEARBOX CONTROLS. The next time 27-EX comes into the shop, will you please arrange to alter the steering column controls to… | ||
| Scan201 | Alteration of the Maybach dogs on the epicyclic gearbox for vehicle 27-EX. | ||
| View original record | K7310. To RHC. From Hs/Lid. Hs/Lid.10/KT.1.4.31. EPICYCLIC GEARBOX ON 27-EX. Immediately after the holidays we shall wish to alter the angle of the Maybach dogs on the epicyclic gear on 27-EX. from 6º… | ||
| Scan202 | Crash noises and potential modifications for an epicyclic 3rd speed gearbox. | ||
| View original record | X7310 TO HS. FROM DA. SECRET DA.1/EV.2.4.31. COPY TO R. SG. EPICYCLIC. 3RD. SPEED BOX. P.2. CRASH NOISES. ----------------- We pointed out when in Derby that, on changing from top to 3rd, when the… | ||
| Scan203 | Challenges and design considerations of a 'double top' epicyclic gearbox scheme. | ||
| View original record | HS. DA. } FROM R. BY. } (At Le Canadel.) Handwritten: 87310 RL/M3.4.31. C. to SG. WOR. C. to E. PN. DOUBLE TOP OUR EPICYCLIC SCHEME. X.523 X.7310. This being quite a departure we must expect much… | ||
| Scan204 | Typed memo discussing engine and gearbox mechanics, specifically gear changes and corner over-run. | ||
| View original record | -2- to wait until the engine is accelerated before we coupled up to drive the car or for the car to drive the engine. So that one could get our change to 3rd. by closing the throttle but we should… | ||
| Scan205 | Opinions and design considerations for a 'Double Top Gear' system. | ||
| View original record | DA. HS. } FROM R. (AT Le CANADEL.) X7310 R1/M7.4.31. C. to SG. WOR. C. to E. BY. X.523. X.7310. DOUBLE TOP GEAR. Mr. Lidsey's opinions and criticisms are premature. Our scheme of control will be found… | ||
| Scan206 | Brief typed note regarding the functionality of plain jaws and potential gear issues. | ||
| View original record | I believe it will work with just plain jaws without any grab on the teeth, but it might miss gear. Shall anxiously await further news. R. | ||
| Scan207 | 45HP double top gearbox conversion to an electrically controlled friction type. | ||
| View original record | X/310 HS. } FROM R. BY. } ? C. to SG. WOR. C. to HY. RHC. 45HP. - DOUBLE TOP. R11/M28.5.31. X.7310. X.523. This should be ready for converting to electrically controlled friction type in the present… | ||
| Scan208 | Design and development of 25HP and 45HP car gearboxes. | ||
| View original record | SG. FROM R. X7310 R3/M12.6.31. C. to WOR. HS. C. to RHC. BY. CAR WORK - GEARBOXES. X.5310. X.7310. 25HP. The synchro mesh design is now complete at WW. 45HP. The double top design is now nearly… | ||
| Scan209 | Proposed modification to the P.2. Epicyclic 3rd Speed Gearbox. | ||
| View original record | BY. FROM DA. X9210 DAL/M4.7.31. Copy to SG. " HS. " RHC. P. 2. EPICYCLIC 3rd. SPEED GEARBOX. ------- Herewith we send N. schemes 3296/7. shewing the modification to the above box incorporating a… | ||
| Scan210 | New filling plug and level stick design for the J.4 gearbox and its potential adaptation. | ||
| View original record | X7310. By. from Da. c. Sg. Hs. Da2/M14.7.31. X.5310 X.7310 J.4. GEARBOX, Herewith we send N.sch.3311 showing the filling plug and level stick for the above box. If the dip stick handle is approved we… | ||
| Scan211 | The J.4 gearbox, detailing a new filling plug, level stick, and cover modification. | ||
| View original record | X7310. By. from Da. c. Sg. Hs. Da2/M14.7.31. X.5310 X.7310 J.4. GEARBOX. Herewith we send N.sch.3311 showing the filling plug and level stick for the above box. If the dip stick handle is approved we… | ||
| Scan212 | Correspondence regarding modifications to a universal joint flange, sheet metal baffle, and cross-member packing. | ||
| View original record | X7310 BY. FROM DA. DA2/M23.7.31. C. to SG. HS. J. 4. GEARBOX. X.5310. X.7310. Herewith we send N. scheme 3317. shewing modifications to the flange piece of the universal joint to adapt them to the… | ||
| Scan213 | Requesting sketches and design information for radiator mounting, lubrication systems, and the speedometer drive. | ||
| View original record | BY. ) FROM DA. HS. ) X7310 DA1/M17.8.31. X.7250 X.7310 P. 2. RADIATOR MOUNTING. Could you send us a sketch of the radiator mounting referred to in the report on 25-EX, at 10,000 miles as being a… | ||
| Scan214 | Tests completed on a speedometer drive, specifically concerning slots in the faces of bushes. | ||
| View original record | X 310. To Da. From Hs/Les. c. to By. Wor. Hs/Les.12/MJ.31.8.31. SPEEDOMETER DRIVE. With reference to your Dal/M17.8.31. we have now completed tests on one of our cars using four slots .100 wide and… | ||
| Scan215 | Development and implementation of 'easy change' synchro-mesh gearboxes for the 25 HP and Phantom II models. | ||
| View original record | To R. From Hs. c. to Sg. Wor. c. to P. Da. c. to By. 87310. Hs.1/MJ.20.10.31. EASY CHANGE GEARBOXES. We expect next week to be sending a 25 HP. car to France for 10,000 miles test, fitted with a… | ||
| Scan216 | Expressing concern over gearbox development for the Phantom II, suggesting scaling up the 20/25 HP gearbox as an interim solution. | ||
| View original record | -2- Hs.1/WJ.20.10.31. Cont'd. or shock absorbers etc., simply because they have no interest. They pay sufficient money for an R.R. car and expect it to perform satisfactorily. My chief reason for… | ||
| Scan217 | Requested modification and test for the P. 2 gearbox sliding gears. | ||
| View original record | HS. FROM DA X7310. DAL/M31.10.31. X7310. P. 2. GEARBOX. We notice that in the case of the sliding gears for the 1st. and 2nd. speeds the 25 HP. has the boss flush with the teeth, while in the P. 2.… | ||
| Scan218 | The design of a P. 2. gearbox, specifically concerning the reverse gear mechanism and synchromesh. | ||
| View original record | BY. ) FROM R. HS. ) RG. ) 87310 R1/M7.11.31. (C7310 C. to SG. WOR. P. 2. GEARBOX. We have a very good and simple reverse. The introduction of the helical 3rd. speed gave us the trouble of providing an… | ||
| Scan219 | Layout for the P. 2. Synchro Mesh Gearbox. | ||
| View original record | X7310 BY. FROM DA. DAL/M13.11.31. X7310. C. to SG. HS. P. 2. GEARBOX. We send herewith N. scheme 3304. - Layout of the Synchro Mesh Gearbox for P. 2. The design as shewn is for unit construc-tion.… | ||
| Scan220 | Query regarding the progress of modifications to the epicyclic gearbox on car 27-EX. | ||
| View original record | BY. FROM DA. X7310 DAL/M20.11.31. X7310. X7120. Copy to HS. With reference to the epicyclic gearbox on 27-EX., would you please tell us how the modifications contained in N. schemes 3296/7. etc, are… | ||
| Scan221 | Sending scheme 3378 for the synchromesh gearbox actuating gear. | ||
| View original record | X7310 BY. FROM DA. DA5/M26.11.31. C. to SG. HS. F. 2. SYNCHRO MESH GEARBOX. ACTUATING GEAR? Herewith we send N. scheme 3378, shewing the actuating gear for the above box. We have done this as we wish… | ||
| Scan222 | Lubrication of the reverse shaft on a synchro-mesh gearbox. | ||
| View original record | BY. FROM DA. X7310. DA4/M.12.31. X7310. C. to SG. HS. P. 2. SYNCHRO MESH GEARBOX. Herewith we send N. sch 3363 - lubrication of the Reverse Shaft - as promised. We wish to retain the trough feeding… | ||
| Scan223 | New method for lubricating the reverse shaft on all synchromesh gearboxes. | ||
| View original record | Copy. X7310. BY. FROM DA. DA.1/M.2. 12. 31. X5310 X7310 C. to SG. HS. LUBRICATION OF REVERSE. ALL SYNCHRO MESH GEARBOXES. Herewith we send N.sch.3385 shewing a further development of the method of… | ||
| Scan224 | Change gear lever, speedometer drive, and lubrication of the thrust bearing. | ||
| View original record | BY. FROM DA. C. to SG. HS. X 7310. DAL/14.12.31. P. 2. CHANGE GEAR LEVER, SPEEDOMETER DRIVE, ETC. X.7310 We despatched to you last night N.sc.3386 shewing the change gear lever, speedometer drive,… | ||
| Scan225 | Modifications to a P.2. synchro mesh gearbox and clutch servo damper. | ||
| View original record | Copy. X7310. BY. FROM DA. DA2/M8.12.31. X7310. C. to SG. HS. P. 2. SYNCHRO MESH GEARBOX. Herewith we send N.sch.3389. - Clutch Pitt and Servo Damper in connection with the above gearbox. It will be… | ||
| Scan226 | Modifications to the side lever positions for a synchro mesh gearbox. | ||
| View original record | COPY. X7310. BY. FROM DA/EV. DA/EV/1/14.12.31. X7310. C. to SG. WOR. HS. P. 2. SYNCHRO MESH GEARBOX. SIDE LEVER POSITIONS. We send herewith N.scheme 3391. shewing the side lever positions for use with… | ||
| Scan227 | Methods for achieving silent gearboxes, including gear design and bearing types. | ||
| View original record | E. DA/HDY. } FROM R. HS. } (At Le Canadel.) X7310 R2/M.4.1.32. Copy to SG. WOR. EHC. SILENT GEARBOXES. X5310 Very many years ago we introduced single helical side-shafts and got much greater silence… | ||
| Scan228 | Trial of Vauxhall Cadet and Series 80 models, comparing their synchro-mesh gearboxes and engine mountings. | ||
| View original record | Hs. from E. C. Sg. Wor. C. Ry. 67310. E.3/AD6.1.32. SYNCHRO MESH. On Saturday afternoon last I made a short trial of the two latest models being produced by Vauxhall e.g. the Cadet and the series 80,… | ||
| Scan229 | 25HP Synchro Mesh Helical 3rd Gearbox, focusing on noise, bearing arrangements, and reverse gear improvements. | ||
| View original record | E. DA. } FROM R. HS. BY. } (At Le Canadel.) x7310 R.3/146. 1. 32. Sent from WW. 9.1.32. y8310 C. to - SG. WOR. 25HP. SYNCHRO MESH HELICAL 3rd. GEARBOX. ---------- Gearbox noises with helical gears… | ||
| Scan230 | The testing of a P.2 gearbox with an Epicyclic third gear in a 27-EX car. | ||
| View original record | 87310 To R. (At Le Canadel). From Hs. c. to Sg. c. to Dr. c. to E. Da. c. to By. P.2 GEARBOX WITH EPICYCLIC THIRD. We have 27-EX. car running fitted with the gearbox with Epicyclic 3rd. The… | ||
| Scan231 | Progress on improvements to the 25 HP Synchro-Mesh Gearbox, including noise reduction and testing of modifications. | ||
| View original record | To R. (At Le Canadel). From Hs. c. to Sg. c. to Wor. c. to E. c. to Da. c. to EV. 310. Hs.6/MJ. 8.1.32. 25 HP. SYNCHRO-MESH GEARBOX. XS310. XJ310. It will be seen from the report on 18-G4. that the… | ||
| Scan232 | On the automatic brake adjustment for an epicyclic third-speed gearbox. | ||
| View original record | HS. ) FROM DA. BY. ) E. ) X7310 DA1/118.1.32. X.7310 X.7360 C. TO SG. WOR. EPICYCLIC 3rd. SPEED GEARBOX. AUTOMATIC BRAKE ADJUSTMENT. The cotton duck appears to be upsetting the operation of this… | ||
| Scan233 | The wear of different brake lining materials (Cotton Duck vs. Ferodo) in a P.2 gearbox with an epicyclic third. | ||
| View original record | COPY. X7310 To R. From Hs. c. to Sg. Wor. c. to E. Da. c. to By. Hs.6/MJ.19.1.32. x7360 P.2 GEARBOX WITH EPICYCLIC THIRD. When the gearbox was dismantled after the last run, we reported rapid wear on… | ||
| Scan234 | Issues with the Phantom 11 gearbox, specifically the brake lining and clutch, and proposing new gear train designs. | ||
| View original record | To Hs. From R. (At Le Canadel). c. to E. Da. c. to OY. Sg. c. to Wor. Rg. γ 7310 R.1/WJ.23.1.32. Phantom 11 Gearbox. Naturally I was pleased when I heard that the double top was so encouraging and… | ||
| Scan235 | Gearbox and braking system designs, comparing different configurations and mentioning sending drawings. | ||
| View original record | -2- R.1/WL.23.1.14. Cont'd. We also had for some years the idea of a two speed box of ordinary type about 2nd. and top only with unit (epicyclic) as 27-EX, but I am trying to get the complete train as… | ||
| Scan236 | Gearbox ratio data for the Standard Phantom II. | ||
| View original record | X7310. (1) STANDARD P.II BOX. Revs of Prop Shaft per rev :: of engine 4th Speed. | 3rd Speed. | 2nd. Speed. | 1st Speed. | Reverse. Direct. | .735 | .500 | .285 | .324 Revs of engine per rev of 3rd… | ||
| Scan237 | Specification sheet for the Phantom II epicyclic gearbox detailing various gear ratios. | ||
| View original record | (1) P.II EPICYCLIC GEAR BOX. Epicyclic Gear Solid (i.e. in Top Gear. Revs of Prop Shaft per rev of engine. | 3rd Speed. | 2nd Speed. | 1st Speed. | Reverse. | |---|---|---|---| | Direct. | .663 | .377… | ||
| Scan238 | Suggestions for modifications and improvements to the epicyclic 3rd speed gearbox. | ||
| View original record | HS. } FROM DA. BY. Copy to - E. X7310 DAL/129.1.32. EPICYCLIC 3rd. SPEED BOX. X.7310 X.7360 One of the suggestions is to increase the force of the spring working the ratchet. We understand that you… | ||
| Scan239 | Modifications for brake lever inspection and a scheme for gear pre-selection. | ||
| View original record | (2) more clearance to the end of the connecting rod attached to the brake lever, and this could be done by cutting an inspection hole in the casing immediately opposite the end of the brake lever. It… | ||
| Scan240 | Specifications for increased strength clutch and brake springs for an epicyclic 3rd speed gearbox. | ||
| View original record | HS. ) FROM DA. BY. ) X7310 DAL/12.2.32. X.7310. COPY to - E. EPICYCLIC 3rd. SPEED GEARBOX. Further to DAL/M29132., we have now looked into the question of the increased springs, and find that the… | ||
| Scan241 | Scheme 3417, which details applying a supplementary valve to the oil relay system of an epicyclic 3rd speed gearbox. | ||
| View original record | BY. FROM DA. C. to SG. WOR. HS. E. X7310. DAL/M.4.2.32. X.7310 P. 2. EPICYCLIC 3rd. SPEED GEARBOX. Herewith we send N. sch. 3417. shewing method of applying supplementary valve to the present oil… | ||
| Scan242 | Comparing the gear change performance of a synchro-mesh gearbox versus a gearbox with an epicyclic third gear. | ||
| View original record | Y 7310. To R. From Hs. c. to Sg. Wor. c. to R. Hs. c. to Ry. Hs.5/WJ.12.2.32. P.2 GEARBOX WITH EPICYCLIC THIRD. In my report of yesterday ref: Hs.2/WJ.11.2.32., I omitted to mention one point where… | ||
| Scan243 | Future gearbox improvements, including the application of synchro-mesh and helical gears. | ||
| View original record | 87310. To Sg. From Hs. c. to Wor. c. to E. Hs.3/MJ.27.2.32. X5310. GEARBOXES. Referring to your note on easy change gearboxes, it is time now that we considered what is to be the next move on… | ||
| Scan244 | Completion and satisfactory test rig results for the new Phantom II Synchro Mesh Gearbox. | ||
| View original record | To R. From Hs. c. to Sr. c. to Wor. c. to R. c. to Da. c. to By. γ 310. Hs.3/MJ.2.3.32. PHANTOM II SYNCHRO MESH GEARBOX. The first gearbox of this type is completed and is running satisfactorily on… | ||
| Scan245 | Testing and proposed standardization of the Phantom II Synchro Mesh Box. | ||
| View original record | Y7310 To Sg. From Hs. c. to Wor. c. to E. c. to BY. c. to FN. PHANTOM II SYNCHRO MESH BOX. This box has been running on the test rig and we hope to have it on the road by Friday. As 17-EX. is not… | ||
| Scan246 | Recommendation to apply synchro mesh to the second speed on gearboxes. | ||
| View original record | x7310. To Hs. from Sg. re Gearboxes. Sg18/E2.3.32 Copy to Mr. E. Thanks for Hs.3/MJ.27.2.32. I quite agree with your recommendation, i.e. that we should look into the question of applying the synchro… | ||
| Scan247 | The testing of a Phantom II Synchro Mesh Box on experimental vehicles. | ||
| View original record | X7 310. To Hs. from Sg. re P.II Synchro Mesh Box. Sg3/E3.3.32 Copy to Wor.E.BY.PN. I am in receipt of Hs.4/MJ.2.3.32 and I am pleased to note that you can carry out the synchromesh gearbox test on… | ||
| Scan248 | Road test report for the Phantom II Synchro Mesh Gearbox. | ||
| View original record | To R. From Hs. c. to Sg. c. to Wor. c. to R. c. to Da. c. to By. J 310. Hs.4/MJ.3.3.32. PHANTOM II SYNCHRO MESH GEARBOX. We have had a short run on the road with this gearbox today, and the silence of… | ||
| Scan249 | Technical memorandum discussing future possibilities for a silent, easy-change gearbox. | ||
| View original record | E. From Hs/Gry. c.c. to Da. c.c. to By. X7310. Hs/Gry./1/MA. 3. 3. 32. X5310. GEAR BOXES. Hs. has suggested the future possibility of a silent easy change 2nd gear. In connection with this there are… | ||
| Scan250 | Schematic diagrams of two proposed gearbox designs, one with gear ratios and selector positions. | ||
| View original record | Fig II ENGINE PROP SHAFT 1ST 2ND 3RD C M NO GEARS TURNING WITH ENGINE IDLING Fig I ENGINE PROP SHAFT 41 19 27 33 35 25 A B C X Y TOP 1:1 X TO RIGHT Y TO LEFT 3RD BC 1.3:1 " RIGHT 2ND AB 2.0:1 LEFT… | ||
| Scan251 | Blank document with a 'Print Room' date stamp. | ||
| View original record | [Main body text is illegible] ROLLS-ROYCE, LIMITED PRINT ROOM, 7. MAR 1932 DERBY. | ||
| Scan252 | The test schedule for the P.2 Synchro Mesh Box and the preparation of a second unit. | ||
| View original record | 87310. To.Sg. From Hs. c. to Wor. c. to E. c. to BY. c. to PN. Hs.8/MJ.4.3.32. P.2 SYNCHRO MESH BOX. We will let you have a schedule of tests we propose carrying out to prove the reliability of this… | ||
| Scan253 | Trial of new cone and cam angles for the Phantom II Synchromesh to improve gear changing. | ||
| View original record | *7310. RHC. From Hs/Gry. Hs/Gry.1/MA.11.3.32. P.II SYNCHROMESH. E. has agreed that we should try a 60 cone angle and also a 30° cam angle, i.e. [Diagram showing a 30° angle] Will you please fit the… | ||
| Scan254 | Fault with a synchro mesh gearbox after a 400-mile road test. | ||
| View original record | J 7310 To R. From Hs. c. to Sg. Wor. c. to E. Da. c. to By. Hs.1/WJ.14.3.32. P.2. SYNCHRO MESH GEARBOX. This gearbox has now run about 400 miles on the road. The gears, as we have previously… | ||
| Scan255 | Dynamometer and road test of a Phantom II Synchromesh gearbox. | ||
| View original record | 87310 R. From Hs/Gry. c. to SE. c. to E. Da. c. to My. Hs/Gry.1/MA.17. 3. 32. P.II SYNCHOMESH. We have just completed a successful dynamometer test on this gear box. The car was run on each forward… | ||
| Scan256 | On-road testing of a P.2. synchro-mesh gearbox for the Phantom II. | ||
| View original record | 87310. To R. From Hs. c. to Sg. Wor. c. to E. Da. c. to By. Hs.6/WJ.23.3.32. P.2.SYNCHRO-MESH GEARBOX. We have had the second Phantom 11 gearbox on the road, and the gears, as regards silence are… | ||
| Scan257 | Unsatisfactory performance and ongoing modifications to the P.2 synchro mesh gearbox. | ||
| View original record | X7310. To Wor. From Hs. Hs.1/MJ.2.4.32. P.2 SYNCHRO MESH GEARBOX. We have pointed out in our reports that we have had trouble on the P.2 synchro mesh box, due to the fact that the synchro mesh portion… | ||
| Scan258 | Request to manufacture two new cams based on an accompanying sketch for a Phantom II Synchromesh system. | ||
| View original record | RHC. From Hs/Gry. 87310 Hs/Gry.1/MA.6. 4. 32. P.II SYNCHROMESH. We understand that the 30o cam outer member Ex. 8061 has not been altered to 45o. Will you please make two cams to the accompanying… | ||
| Scan259 | Blueprint of a 30° Cam for a PII Synchromesh mechanism. | ||
| View original record | Hs 564 31.1.32 No 2798/2 30° .620 .137 .5 30° CAM PII SYNCHROMESH | ||
| Scan260 | Stamped by the Print Room in Derby. | ||
| View original record | ROLLS-ROYCE, LTD. PRINT ROOM APR 5 1932 DERBY. | ||
| Scan261 | Held-up instructions from the drawing office for Synchro-mesh Gear Box and other parts for the 'N' and 'U' series chassis. | ||
| View original record | X7 310. Work from Sft. C. BW. [crossed out] C. Hs. 12 shafts Sft.1/ME.12.4.32. With reference to the new features which are being introduced on the 89th chassis on 'N' Series, I would point out that… | ||
| Scan262 | Recommendation to increase the length of slots in the Phantom II synchromesh outer member G.79872. | ||
| View original record | 87310. By. From Hs/Gry. c. to RHC. Hs/Gry.6/MA.13.4.32. P.II SYNCHROMESH. We have found that the cam can reach the ends of the slots in the outer member G.79872 and therefore recommend that the slots… | ||
| Scan263 | Competitive need for a synchromesh gearbox with easy change on all gears. | ||
| View original record | X7310 X5310 To R. from Sg. Copy to Wdr. E. Hs. re Synchromesh Gearbox. Sg6/E19.4.32. Your are doubtless aware of the competition in connection with easy change gearboxes, one of the chief… | ||
| Scan264 | Criticism of the synchro-mesh gearbox, specifically the difficulty of engaging first gear while the car is moving. | ||
| View original record | 87310 To Sg. From Hs. c. to Wor. c. to PN. c. to E. Hs.5/MJ.20.4.32. SYNCHRO-MESH GEARBOX. XS310 One of the criticisms against the present synchro-mesh gearbox 25 HP. and P.2, is that it is very… | ||
| Scan265 | Hydraulic control for an epicyclic change gear with friction brakes to improve passenger comfort. | ||
| View original record | HS. ) FROM R. DA/HDY. (At Le Canadel.) x7 310 R2/M24.2.32. Sent from WW. 26.2.32. C. to SG. WOR. RG. C. to EV. E. C. to Mr. CLAREMONT. CHANGE GEAR. K.7310 EPICYCLIC WITH FRICTION BRAKES. K.7360 I… | ||
| Scan266 | Relative merits of synchromesh and epicyclic gear systems. | ||
| View original record | HS. DA/HDY. } FROM R. (At Le Canadel). X7310 C. to SG. MOR. BY. C. to RG. E. C. to Mr. CLAREMONT. CHANGE GEAR. I thank HS. for his memo. on the above. I quite agree that synchro mesh as being made is… | ||
| Scan267 | Explaining the cause of sticking top gear cones and a temporary solution. | ||
| View original record | To C.W.Hancock, Hotel de France, Chateauroux, Indre, FRANCE. V-7310 67941 From Hs/Rm. Hs/Rm.7/MJ.25.4.32. SELECTOR ROD IN TOP GEAR WITH GEAR LEVER IN NEUTRAL. We think we have discovered the reason… | ||
| Scan268 | Technical memo discussing synchromesh and gear changing difficulties in a gearbox. | ||
| View original record | Y7310 R. From Hs/Gry. c. to Sg. c. to Wor. c. to E. c. to Da. c. to Sy. P.II SYNCHMESH. The trouble we are having with this gearbox is the difficulty of changing into either top or 3rd gear. When… | ||
| Scan269 | Troubleshooting issues with gearbox synchronisation, gear crashing, and sticking cones. | ||
| View original record | -3- HS/Gry.13/A.25.4.32.contd. A 30° cam angle did not make the first part of the gear lever movement any easier but it became too easy to crash the gears before the speeds had synchronised. The… | ||
| Scan270 | Importance of a quiet gear change from second to first, and the decision not to proceed with the current synchromesh arrangement on new models. | ||
| View original record | X7310. H/S X7310. XS-310 To R. from Sg. Copy to WGR. Copy to Hs. Copy to BH. re Synchromesh Gearbox. Sg10/EPS.4.32 With further reference to Sg14/E21.1.32 and the question of the importance of… | ||
| Scan271 | Requesting modifications to drawings for the Phantom II synchromesh gearbox. | ||
| View original record | Y7310. By. From Hs/Gry. Hs/Gry.5/MA.30.4.32. P.II SYNCHROMESH. Will you please have the drawings of the outer member (G.79872) and the sliding piece (G.79964) altered to the modifications shown on… | ||
| Scan272 | Design of a reverse pinion for gearboxes, including diagrams and gear ratio considerations. | ||
| View original record | x7310 DA/HDY. E. } FROM R. R3/M2.5.32. HS. BY. } (At Le Canadel.) Sent from WV. 5.5.32. C. to SG. WOR. GEARBOXES - ALL SIZES X. 7310 ALSO PEREGRINE & BENSPORT. X. 5310 X. 4553 X. 4027. REVERSE PINION.… | ||
| Scan273 | Telegram feedback on synchromesh, gearboxes, and servo mechanisms. | ||
| View original record | Handwritten top: X7310, Hs, Y634, Y5310 To E. from Eg. Copy to Mar. Hs. BY. W. for DA. re Synchromesh. I have received a telegram from R. which reads as follows: SINCE REVERSE GIVES OPPORTUNITY FOR… | ||
| Scan274 | Servo application, a telegram about transmission vibration, and arranging a telephone call. | ||
| View original record | To E. from Sg. Sg12/E2.5.38 - 2 - servo could not of course apply to Bensport and "Peregrine" but presumably would apply to J.III. I should like to have your recommendations on this. The last part of… | ||
| Scan275 | Potential gearbox modifications, including reverse gear, synchromesh functionality, and competitor analysis. | ||
| View original record | Hs X7310 X7310 X5310 (crossed out) To H.S. from Sg. re Synchromesh etc. Copy to E. Hs. BY. see me for D.A. Sg13/E4.5.32 Referring to Sg13/E.2.5.32 giving particulars of R's cable, E. called here this… | ||
| Scan276 | Design changes and departures from an original sketch for an automatic damper control system on a P.2. S.M. gearbox. | ||
| View original record | x7310 E. FROM DA. C. to SG. BY. HS. DAL/M5.5.32. X.7520 X.7310 SHOCK DAMPERS - AUTOMATIC DAMPER CONTROL - P.2. S.M. GEARBOX. Herewith we send N. sch. 3468, shewing the arrangement of automatic control… | ||
| Scan277 | Modifications to a governor sleeve, an alternative method for oil retention, and adjustments to the handbrake and speedometer drive case. | ||
| View original record | -2- through a large clearance hole instead of a slot drilled hole, the governor sleeve being prevented from turning by fitting the square of the shaft. The idea of this is to save the slot drilling.… | ||
| Scan278 | Addition of an air release hole to the synchromesh 3rd and 4th sliding piece. | ||
| View original record | X7310. By. From Hs/Gry. SYNCHROMESH. Hs/Gry.1/MA.6.5.32. X5310. We think there should be an air release hole in both rows of plunger holes in the 3rd and 4th sliding piece. Will you please instruct… | ||
| Scan279 | Telegram about the operation of synchromesh and clutch brakes in 20/25 and 40/50 gearboxes. | ||
| View original record | HS To E. from Sg. Copy to Mr. Hs. ✓ X7310. re Synchromesh. Sg13/E6.5.32 X5310. X7480. In a telegram received from R. he says: "Difficult to have both synchromesh and clutch brake must allow latter to… | ||
| Scan280 | Report investigating gear change resistance and oil friction on the Phantom II synchromesh gearbox. | ||
| View original record | X7310 To R. from Hs/Gry. c. Sg. c. Wor. E. c. Da. EV. Hs/Gry.1/AD7.5.32. P.II SYNCHROMESH. We suggested in our Hs/Gry.13/MA25.4.32 that the resistance met when changing gear on this gear box was due… | ||
| Scan281 | Testing stronger plunger springs and alternative synchronizer modifications for gear changes. | ||
| View original record | -2- We therefore tried plunger springs 1 1/2 times the standard strength. With thick oil in the box the cones were unable to synchronise third speed but on using a lower level of engine oil the change… | ||
| Scan282 | Graph showing power losses due to 1st and 2nd motion shafts for a PII Synchromesh gearbox under different oil conditions. | ||
| View original record | P.II SYNCHROMESH POWER LOSSES DUE TO 1ST AND 2ND MOTION SHAFTS. TORQUE AT A = 96 LBS. INS. B = 65 LBS. INS. REQUIRING 15 LBS. ON LEVER TO CHANGE INTO TOP GEAR IO .. Q/H COLD OIL A B OIL AT 40°C NO OIL… | ||
| Scan283 | Blank page with a Print Room stamp from Derby. | ||
| View original record | ROLLS-ROYCE, LTD. PRINT ROOM MAY 7 1932 DERBY. | ||
| Scan284 | Graph of power losses versus RPM for the 20/25 Synchromesh 1st and 2nd motion shafts under different oil conditions. | ||
| View original record | 20/25 SYNCHROMESH, POWER LOSSES DUE TO 1ST AND 2ND MOTION SHAFTS, P.II OIL AT 40°C, H.P., R.P.M., OIL TEMP RISING, COLD OIL, OIL AT 40°C, NO OIL | ||
| Scan285 | From the print room with a date stamp from Derby. | ||
| View original record | ROLLS-ROYCE, LTD. PRINT ROOM MAY 7 1932 DERBY. | ||
| Scan286 | Performance and development of the synchro-mesh gearbox. | ||
| View original record | X7 310. XS-310. To R. From Hs. c. to Sg. Wor. c. to S. Da. c. to Ey. SYNCHRO-MESH GEARBOX. On the 25 HP. the synchro-mesh part works very much better than any other car we have tried which has had… | ||
| Scan287 | Proposal to remove the clutch brake on the Phantom II model when using synchromesh, similar to the 20/25 model. | ||
| View original record | X7510 Sg. from E. c. WGT. Hs. RECEIVED E.1/HP.7.5.32. X5310' X7480. re Synchromesh - Sg.13/E.6.5.32. We do not use a clutch brake on the 20/25 and on P.II we propose dropping the brake when… | ||
| Scan288 | Arrangement and detail drawings for a method of using rubber synchromesh plungers for the Phantom II Synchromesh. | ||
| View original record | RHC. From Hs/GRY. X7310, Hs/Gry.8/MA.9.5.32. P.II SYNCHROMESH. Herewith arrangement and detail drawings of a method of using rubber synchromesh plungers. Will you please prepare the necessary parts… | ||
| Scan289 | Blueprint showing two views of a mechanical component with a roller and dimensional annotations. | ||
| View original record | Hs 603, .400 DIA, .200, .250, 48° | ||
| Scan290 | Page stamped by the Print Room in Derby. | ||
| View original record | ROLLS-ROYCE, LTD. PRINT ROOM MAY 9 1932 DERBY. | ||
| Scan291 | Blueprint drawing of a plunger component. | ||
| View original record | Hs 604 MATERIAL S/ZN .598 DIA -1 .205 .100 .060 .410 .100 DIA FIT CASEHARDEN .010 - .015 DEEP WHERE MARKED H H SCALE 2/1 PLUNGER | ||
| Scan292 | Blueprint drawings for a Roller and a Roller Pin. | ||
| View original record | Hs 605 .400 DIA .200 H H .102 DIA S/ZN (CASE HARDENED) WHERE MARKED HH ROLLER SCALE 2/1 Hs 606 .026 CHFR AT 45º SEE Hs 604 .100 DIA FIT H H H H .700 S/ZN (CASE HARDENED) AT HH ROLLER PIN | ||
| Scan293 | The reverse side of a document showing a 'Print Room' stamp. | ||
| View original record | ROLLS-ROYCE, LTD. PRINT ROOM MAY 9 1932 DERBY. | ||
| Scan294 | Synchromesh Gearbox issue regarding insufficient clearances on the driving dogs. | ||
| View original record | GRY X7310. H. from E. c. Sg. Hor. Hs. By. Da. E.1/HP.9.5.32. re Synchromesh Gearbox. Referring to Hs.5/WJ.7.5.32 reporting that the top gear on Hancock's car is working out; we attach herewith a… | ||
| Scan295 | Necessity of retaining the clutch brake on the Phantom II model despite the introduction of synchromesh. | ||
| View original record | Hs X7310. X7310 X7480. To E. from Sg. Copy to Mr. Hs. PH. re Synchromesh, and the Clutch Brake. Sg/E11.5.32 Referring to E.1/HP.7.5.32, whilst it is correct that we have not used a clutch brake on the… | ||
| Scan296 | Addition of a clutch brake to the synchro-mesh gearbox. | ||
| View original record | 87310 To Sg. From Hs. c. to E. c. to Wor. c. to PN. SYNCHRO MESH AND CLUTCH BRAKE. 87480 Replying to Sg.3/E11.5.32. All cars both 25 HP. and P.11 which have been fitted with the synchro-mesh gearbox,… | ||
| Scan297 | Reverse pinions and jaw clutches in gearboxes, including a design suggestion with a diagram. | ||
| View original record | E. DA. )FROM. R. HS ) (AT LE CANADEL.) X7310 R6/M11.5.32. Rec'd and despatched from WW. 20.5.32. X. 7310 X. 5310 X. 4553 C. to SG. WOR. BY. BENSPORT & OTHER GEARBOXES. Reverse pinions I agree can be… | ||
| Scan298 | Method for testing synchromesh on the second gear in a Ph.II gearbox. | ||
| View original record | V7310 Hs. from E. c. Sg. Wor. By. E.1/HP.13.5.32. re Testing Synchromesh on second gear in Ph.II Box. We find that the quickest and easiest way for you to test the above is to use a pair of gears of… | ||
| Scan299 | Necessity of a clutch brake with a synchromesh gearbox following a trial. | ||
| View original record | X7310 To Hs. from Sg. Copy to Wor. E. PN. (crossed out) re Synchromesh and Clutch Brake. Sg2/E20.5.32 X7310 X5310 Referring to Hs.4/MJ.11.5.32 I did not write anything further about this at the time… | ||
| Scan300 | Requesting the preparation of synchromesh parts and a new type of third motion shaft. | ||
| View original record | To RHC. from Hs/Gry. x7 310. Hs/Gry.4/KT.23.5.32. P.II. SYNCHROMESH. Will you please prepare the necessary parts, outer member and cams, so that we can fit 30° cams to 19-EX and 20-EX in addition to… | ||
| Scan301 | Decision not to fit a clutch brake on the Phantom II model with a synchromesh gearbox. | ||
| View original record | By. From Hs/Gry. 87310. Hs/Gry.3/MA.23.5.32. x7480. P.II CLUTCH BRAKE. With the synchromesh gear box we shall not fit a clutch brake on P.II. We wish however to retain the features in the clutch… | ||
| Scan302 | Technical report on synchromesh gearbox issues, focusing on top and 3rd gear engagement, and experiments with cone angles. | ||
| View original record | 87310 To. H. from Hw/Gry. c. to Sz. for. c. to S. By. c. to Dn. P.II. SYNCHROMESH. It was reported on 19-M in France, that top gear worked out as well as 3rd. The former we could not understand until… | ||
| Scan303 | Tests and proposed modifications to a Phantom II synchromesh gearbox's first gear to prevent over-meshing. | ||
| View original record | Y7310 H. From He/Gry. c. to SG. c. to WDF. c. to L. c. to Ds. c. to Hy. He/Gry.S/MA. 23. 5. 32. P.11 1st GEAR. Tests on the synchromesh gear box have shown that 1st gear works further into mesh under… | ||
| Scan304 | Gearbox sideshaft failure on a 25-EX left-hand chassis. | ||
| View original record | X 7310. To R. from Hs/Lid. c. to Eg. Wor. c. to E. Da. c. to Py. Hs/Lid.2/KT.24.5.32. P.II. GEARBOX - SIDESHAFT FAILURE. We have experienced a failure in the gearbox on 25-EX (left hand chassis). The… | ||
| Scan305 | Photograph illustrating damage to a 2nd motion shaft, with fractures on the gear retaining piece and a broken bolt. | ||
| View original record | BROKEN BOLT. GEAR RETAINING PIECE FRACTURES. 2ND MOTION SHAFT CONTINUOUS GEAR TEETH DAMAGED BY CONTACT WITH OUTER BALL RACE OF BALL BEARING ON 1ST MOTION SHAFT. | ||
| Scan306 | Photograph showing a fractured 2nd motion shaft continuous gear and a broken outer ball race from a 1st motion shaft. | ||
| View original record | Outer Ball Race (1st Motion Shaft) Broken By Contact With 2nd Motion Shaft Continuous Gear. 2nd Motion Shaft Continuous Gear Fracture. | ||
| Scan307 | Alteration to the Phantom II 1st Speed Pinion. | ||
| View original record | GRY X7310. Follow this up AHS [Stamped Text] RECEIVED BY. c. Hs. ------ E/JNR.1/HP.27.5.32. Phantom II 1st Speed Pinion. ------------------------------ [Handwritten] Issued Sxp Dy/ss We send you… | ||
| Scan308 | New design to overcome two faults in the Phantom II and 20-HP Synchromesh. | ||
| View original record | X7310- RECEIVED 28 MAY 1932 DX. c. Hs. c. Sfty/Mr Mathews. E/JNR.2/HP.27.5.32. X7310 X15310 Phantom II - 20-HP. Synchromesh. -------------------------------- We send you herewith LeC.3106. We have… | ||
| Scan309 | Design alternatives for the S.M. Gearbox clamping mechanism and Woodruff key. | ||
| View original record | E. FROM DA. C. TO HS. P. 2. S.M. GEARBOX. X7310 DA1/M30.5.32. X.7310 With reference to HS/GRY6/KT25532., and LeC.3106., we should like to point out that the Woodruff key will be slightly slack, and… | ||
| Scan310 | Gearbox sideshaft failure and proposing design improvements to strengthen the part. | ||
| View original record | HS. FROM R. C. to SG. WOR. C. to DA. E. X7310. R7/M30.5.32. X.7310 P.2. GEARBOX. SIDESHAFT FAILURE. With reference to HS/LID2/KT24532., I understand from HS/LTD. that the spiral angle in this gear is… | ||
| Scan311 | On methods for preventing 'creeping gears' on splined shafts within gearboxes. | ||
| View original record | HS. ) FROM R. DA. ) C. to SG. WOR. C. to BY. E. X7310 R4/M30.5.32. X.5310. X.7310. GEARBOXES. CREEPING GEARS. It will be remembered, that we patented several means of keeping the gears still on the… | ||
| Scan312 | Testing, dangers, and solutions related to synchronous mesh gear creep. | ||
| View original record | -2- As regards the synchronous mesh gears I have written in another memo. that these should be tested as worn gears with slack before we can rely upon their driving sleeves not creeping in or out.… | ||
| Scan313 | Broken gear, the cause being an excessive helical angle, and clarifying design department procedures. | ||
| View original record | HS/LID. FROM R. RL/11.5.32. X/310 C. to SG. WOR. C. to DA. BY. E. P. 2. - re. BROKEN GEAR. I now understand that this applies to the old box which we are just about to supersede by the synchromesh… | ||
| Scan314 | L.H. Phantom II Gearbox sideshaft failure, clarifying the part was non-standard. | ||
| View original record | X7310. To Hs. from Sg. re L.H.P.II.Gearbox. Sideshaft Failure. Sg17/El.6.32 Referring to R7/M30.5.32 received this morning, I think it would be advisable for you to make it clear to DA/Hdy that the… | ||
| Scan315 | Non-standard gear failure in an L.H. Phantom II gearbox and spiral angle specifications. | ||
| View original record | To R. from Hs. c. to Sg. Wor. c. to Da. E. c. to By. N7310. Hs.4/KT.2.6.32. L.H. P.II. GEARBOX We are afraid we did not make it sufficiently clear in our report Hs/Lid.2/KT.24.5.32., that the gear… | ||
| Scan316 | Investigation and test results for lever fixing on a shaft, specifically concerning slip load. | ||
| View original record | X7310. DA. from E. E.5/HP.3.6.32. c.c. R.H. By. RHC. re Lever fixing on shaft - 19-EX. -------------------------------- In reply to your memo concerning the gearbox selector lever, we had formed the… | ||
| Scan317 | Load calculations for lever bolts and their fitting in relation to braking forces. | ||
| View original record | (2) E.5/HP.3.6.32. ---------- to angular pull or for friction of operation. This gives 195 lbs for the average load obtained with the .25 bolt normal fitting of lever and 230 lbs for the .312 bolt.… | ||
| Scan318 | Experimental modification to cones for the Phantom II Synchro Gear Box. | ||
| View original record | x7 310. RECEIVED 3 JUN 1932 To BY. c. Hs. c. Wer. E/JNR.2/HP.3.6.32. re Phantom II - Synchro Gear Box. We send you herewith LeC.3113 modification to Cones, for experiment. E/JNR. | ||
| Scan319 | The strength of helical gears in S. M. gearboxes, stating that angles up to 33° are acceptable. | ||
| View original record | Hs. FROM DA/HDY. X7310 DA/HDY1/M4.6.32. X.7310 C. to R. SG. WOR. BY. E. S. M. GEARBOXES. STRENGTH OF HELICAL GEARS. With reference to the remarks in HS4/KT2632., about the increase of helical angle on… | ||
| Scan320 | Oil dip stick for the Phantom II Synchromesh gearbox. | ||
| View original record | Y7310- By. From Hs/Gry. c. to NW. Hs/Gry.3/MA.7.6.32. OIL DIP STICK FOR P.II SYNCHROMESH GEARBOX. We send you herewith a sketch of the dip stick for this gearbox giving the oil level we have found… | ||
| Scan321 | Blueprint drawing for an Oil Dip Stick PII Synchromesh. | ||
| View original record | Hs 619, 9.020, 9.500, -100, .312 DIA, AS ON STD PII, NOT TO SCALE, SCALE 1/1, 9.030, 8.500 TO NOTCH, OIL DIP STICK PII SYNCHROMESH, 7 PINTS | ||
| Scan322 | Stamped document from the print room in Derby. | ||
| View original record | ROLLS-ROYCE, LTD. PRINT ROOM JUN 7 1932 DERBY. | ||
| Scan323 | Instructions for the Test Department regarding cars fitted with a Phantom II Synchromesh gearbox. | ||
| View original record | Mx. From Hs/Gry. X7310. Hs/Gry.4/MA.7.6.32. P.II SYNCHROMESH. We understand cars fitted with this type of gearbox will shortly be reaching the Test Dept. They should be fitted with 7 pints of Motorine… | ||
| Scan324 | Proposed modification to the 20/25 HP and Phantom II gearbox, to make the first gear independent of the reverse gear. | ||
| View original record | X7310 To Hdy. from E. c.c. R. Sg. Wor. Hs. By. Dr. E.4/HP.17.6.32. Reverse Gears on 20/25 HP. and P.II. As mentioned to Sir Henry this afternoon on the telephone, we are sending you herewith a scheme… | ||
| Scan325 | Clearance adjustment for a 1st speed pinion on a gearbox. | ||
| View original record | V7310. To RHC. From Hs/Gry. Hs/Gry.7/MJ.17.6.32. 1st. Speed Pinion. 19-EX. Will you please arrange on this gearbox that the clearance between the pinion and the roller race in the spring loaded… | ||
| Scan326 | Design changes and material considerations for the P.2 & 25HP model's reverse gear. | ||
| View original record | Y4310 E. ) HS. ) FROM R. R2/M23.6.32. C. to SG. WOR. BY. re. P. 2. & 25HP. REVERSE. X+7310 X.5310 We think there is too much of the three bearing scheme, as well as some undesirable features, in the… | ||
| Scan327 | Criticisms and proposed modifications for the gear control on 25HP and other models. | ||
| View original record | HS. } FROM HDY X7310 HDY1/M25.6.32. C. to SG. WOR. E. DA. GEAR CONTROL. X.5310 X.7310 X.4027 R. has criticised the gear control on the 25 HP. car here - 16.G.IV. - on the score of undue heaviness of… | ||
| Scan328 | Testing of a reverse shaft and potential gearbox modifications for the P.2. and 25-HP models. | ||
| View original record | 87310 GRY What is this To BY. from E. E.1/HP.27.6.32. HS c.c. SE. HOT. Hs. Hsy. x7310 x8310 741 268 re P.2. and 25-HP. Reverse. ------------------------- We are sending you herewith N. Sch.3492… | ||
| Scan329 | Issues with the 1st gear sliding pinion working out of mesh and the subsequent modification to the splines. | ||
| View original record | X7310. E. From Hs/Gry. c. By. Hs/Gry.9/MA.11.7.32. P.II 1st GEAR. We have tried the 1st gear sliding pinion to LeC.3105 (G.800790) and find that this gear works out of mesh when under load. We… | ||
| Scan330 | Dimensioned drawing of a 1st speed sliding pinion (PII) with modifications to reduce spline length. | ||
| View original record | Hs 655 MODIFICATIONS TO G 80077 TO REDUCE LENGTH OF SPLINES 1ST SPEED SLIDING-PINION - PII Nck 3364 .550 .025 R 1.835 DIA 1.700 1.950 | ||
| Scan331 | Stamped blank page from the Print Room in Derby. | ||
| View original record | ROLLS-ROYCE, LTD. PRINT ROOM 11 JUL 1932 DERBY. | ||
| Scan332 | Specifications and use of a gear lever reverse stop spring. | ||
| View original record | X7310. BY. FROM HDY. HDY1/M19.7.32. x7310 x5310 x4027 C. to R. SG. WOR. C. to HS. E. DA. GEAR LEVER. REVERSE STOP SPRING. Replying to By4/G28632., we find we have a print of the new spring G.55577.… | ||
| Scan333 | The performance of the Phantom II first gear, its tendency to mesh under load and disengage when braking downhill. | ||
| View original record | X7310. Copy for Files. 20.7.32. P.II 1st GEAR. As reported in Hs/Gry.5/MA.23.5.32., the 1st gear on all P.II gearboxes tends to work into mesh under load. The pinion to Hs.655 provides that the… | ||
| Scan334 | Query regarding the procedure for checking the tightness of Phantom II Synchro Mesh Fabric Coupling Bolts. | ||
| View original record | To Hs from Mx. X7310. Mx2/T8.G.32. Phantom II Synchro Mesh Fabric Coupling Bolts. It has always been part of the routine at the completion of road testing to examine the fabric coupling bolts for… | ||
| Scan335 | Instruction to proceed with synchromesh gearboxes for Phantom II N.2 and O.2 series chassis. | ||
| View original record | Hs. x7310 BY/Cgh.1/G.11.8.32 RECEIVED 11 AUG 1932 PHANTOM II 02 PHANTOM 11 - SYNCHROMESH GEARBOX. --------------------------------- With reference to Sg.1/D.28.7.32. we are instructing the Works to… | ||
| Scan336 | Modifications to the gear lever shaft for the 25HP model concerning gear control. | ||
| View original record | BY. FROM HDY. C. to SG. WOR. E. C. to HS. DA. X7310 HDY./M.13.8.32. x 5310 x 4027 GEAR CONTROL. We send herewith M.sch.3498., which shews modifications to the gear lever shaft for the 25HP. to prevent… | ||
| Scan337 | Fitting of a synchro mesh gearbox to a P.2 trials car. | ||
| View original record | Cx. from Hs. c. Hd. c. Wor. X7310. Hs.6/ADL4.8.32. FITTING SYNCHRO MESH BOX TO P.2 TRIALS CAR Last week when you spoke to me about your difficulty of not having a P.2 trials car fitted with synchro… | ||
| Scan338 | Future gearbox design, focusing on arranging a helical second speed for quieter operation. | ||
| View original record | To R. from Hs. c. SS. WCr. c. E. Da. c. EV. Hdy. X7310. Hs.1/AM7.9.32. X5310. GEAR BOXES We have previously pointed out that we consider in the design of future gear boxes we ought to arrange for a… | ||
| Scan339 | Chronic 2nd gear noise, weighing the use of synchromesh against a proposal for helical gears. | ||
| View original record | HS. FROM R. X7310 R2/M12.9.32. Sent off 15.9.32. C. to SG. WOR. BY. DA. E. HDY. X.7310. X.5310. GEARBOX - SYNCHROMESH & HELICAL SECOND. While at Le Canadel we were struck with the noise of the 2nd.… | ||
| Scan340 | The advantages of a free pinion on the layshaft for the Helical 2nd Gear of the Phantom II gearbox. | ||
| View original record | 87310 To R. From Ha/Gry. c. to Wor. c. to SS. c. to S. c. to Da. c. to By. c. to Hdy. Ha/Gry.1/MJ.20.9.32. HELICAL 2nd. GEAR - P.11. R.2/M.12.9.32. We should like to point out further advantages of… | ||
| Scan341 | Gearbox design options, specifically the placement of a freewheel and jaw clutch and the merits of straight versus helical gears. | ||
| View original record | HS. FROM R. X7310 R5/M.1.10.32. C. to SG. WOR. BY. E. GEARBOXES. X5310 Regarding the silent 2nd. HS. and myself are not quite in agreement as to the better place to put the freewheel and jaw clutch -… | ||
| Scan342 | Standardisation document for the synchromesh gearbox. | ||
| View original record | RR 755 (10H) (19120, 13-10-31) BM. 3/7586. K/310. COMPLETED 14.10.32. STANDARDISATION of CHASSIS PARTS. Date 12.8.32. X No. 7310 Drawing LOP No. G.7996 Part List Description of Parts. SYNCHROMESH… | ||
| Scan343 | Standardization form for chassis parts, detailing costs and implementation. | ||
| View original record | STANDARDISATION OF CHASSIS PARTS ENGINE CHECK The number of the first chassis on which the new part will be fitted......... 89 in N.2. Date when chassis will be handed to test. Production Cost of… | ||
| Scan344 | Rattle issue with the Phantom II Synchro Mesh Gear Box due to excessive clearance. | ||
| View original record | GRY See me x7310. BY Hs c. By/PWD c. Brt c. Spt/Mr Norman from Mx. MS/T21.10.32. HS PHANTOM II SYNCHRO MESH GEAR BOX. We have come up against a trouble on a number of Phantom II Gear Boxes of a rattle… | ||
| Scan345 | Clutch rattle issue, its potential source, and comparison with the 20/25HP model. | ||
| View original record | - 2 - Mx3/T21.10.32. We have not experienced exactly the same trouble on the 20/25HP, although the clearances in question are greater, this is no doubt due to the higher engine speed and less vigorous… | ||
| Scan346 | The failure of a 3rd motion shaft in gearbox 19-EX and a proposal for a design modification. | ||
| View original record | X7310 R. from Hs/Gry. C. SS. Nor. C. E. Da. C. By. Hsy. Hs/Gry.12/KT.31.10.32. P.II. SYNOPSIS. FAILURE OF 3rd. MOTION SHAFT. We have to report that the 3rd. motion shaft on the gearbox in 19-EX has… | ||
| Scan348 | Blueprint drawing for a 3rd Motion Shaft. | ||
| View original record | (Cont'd.), - 2 -, EY/TWD6/E.28.10.32., G.80052. 3rd. Motion Shaft., 1 off., ROLLS-ROYCE LTD., PRINT ROOM, OCT 31 1932, DERBY, 1.800" +.003 -.000, .100" +.000 -.010, 1.502" +.000 -.002 | ||
| Scan349 | Strengthening the gearbox 3rd motion shaft after a failure. | ||
| View original record | X7310 BY. FROM HDY. HDY1/M2.11.32. C. to SG. WOR. HS. E. DA. P.2. GEARBOX, STRENGTHENED 3rd. MOTION SHAFT. With regard to the failure of the 3rd. motion shaft on 19-EX. after 23,000 miles, in addition… | ||
| Scan350 | Failure of the 3rd motion shaft in synchromesh gearboxes and proposed design improvements. | ||
| View original record | X7 310. To BY. from E. E.7/HP.3.11.32. c. Sgr.Wor. Hs. P.2. Synchromesh - Failure of 3rd Motion Shaft. Referring to Hs/Gry.12/KT:31.10.32 we think this failure has obviously occurred due to bending… | ||
| Scan351 | Customer complaints of 'back lash' noise in Synchro Mesh Gear Boxes for the 20/25HP & Phantom II models. | ||
| View original record | x7310. Hs c/o By c/o Wou. c/o BR from Mx. Mxx/T3.11.32. SYNCHRO MESH GEAR BOXES 20/25HP & Phantom II x5310 x7310 We are having to deal with some criticism and also complaints from customers of the… | ||
| Scan352 | Development of a silent second speed gearbox and comparing it to competitors. | ||
| View original record | ✓ 7310. To R. From Hs. c. to Sg. c. to Cor. c. to E. c. to Da. c. to Ey. c. to Rdy. X5310. GEARBOXES. We are now delivering cars fitted with a synchro-mesh box and silent third speed. Customers are… | ||
| Scan353 | Gearbox development, specifically the synchro-mesh second speed and epicyclic gear. | ||
| View original record | -2- Hs.4/WJ.22.11.32. Cont'd. Our silent second speed on the present gearbox would satisfy us for a period, conditions will then demand that we shall have a synchro-mesh second speed. Also, of course,… | ||
| Scan354 | Introducing a silent helical second gear and modified reverse gear into the standard gearbox. | ||
| View original record | V7310. To By. From Hs/Gry. Hs/Gry.15/MJ.28.11.32. HELICAL SECOND GEAR - ALL CARS. X5810. We are sending you the arrangement drawings of how we have introduced a silent 2nd. gear into the standard… | ||
| Scan355 | Technical query sent to the Experimental Department regarding the lubrication of the servo drive in a gearbox. | ||
| View original record | HS. FROM HDY. x7310 HEY/3/M30.11.32. C. to SG. WOR. E. DA. BY. x4553 LUBRICATION OF SERVO DRIVE. We have made provision on the Bensport gearbox for the retention of as much oil as possible in the rear… | ||
| Scan356 | Tests to determine power losses in a Phantom II gearbox due to the helical second gear. | ||
| View original record | X 7310. R. From Hs/Gry. c. to Sg. c. to Wor. c. to E. c. to Da. c. to By. c. to Hdy. Hs/Gry.1/MA. 2.12.32. HELICAL 2nd. GEAR P.II. We have carried out some tests to determine the power losses in a… | ||
| Scan357 | Graph showing power losses for a PII Synchromesh Gear Box against 1st motion shaft speed. | ||
| View original record | PII SYNCHROMESH GEAR BOX POWER LOSSES INPUT - H.P. SPEED - 1ST MOTION SHAFT - R.P.M. 3 SETS CONTINUOUS GEARS. 2 SETS CONTINUOUS GEARS. LOSS DUE TO HELICAL 2ND | ||
| Scan358 | Blank page marked with a 'Print Room' stamp from Derby. | ||
| View original record | ROLLS-ROYCE, LTD. PRINT ROOM DEC 1 1932 DERBY. | ||
| Scan359 | Issues with helical second gears and proposed modifications to gearboxes for P.II, Peregrine, and 19-EX models. | ||
| View original record | 87310. RHC. From Hs/Gry. Hs/Gry.3/MA. 5.12.32. HELICAL 2nd. GEARS. We have established that 2nd. gear works out under load on both P.II and Peregrine. As well as altering the box on the 3 Per.II for… | ||
| Scan360 | Possibilities and issues with the Phantom Gearbox synchromesh 2nd speed. | ||
| View original record | HS. FROM HDY. x7310 HDYL/M8.12.32. PHANTOM GEARBOX - SYNCHRO MESH 2nd. SPEED. We shall no doubt have instructions from R. before long on this question, but in the meantime we see several possibilities… | ||
| Scan361 | Instruction to fit a bronze thrust ring to the long pattern reverse gear for a Phantom II model. | ||
| View original record | 87310. By. From Hs/Gry. c. to RHC. Hs/Gry.6/MA.9.12.32. LONG PATTERN REVERSE P.II. We find that this reverse gear works further into mesh under load. At the moment the thrust is taken by the gear… | ||
| Scan362 | Experimental modification to the Phantom II gearbox concerning an oil trough. | ||
| View original record | 87310. By/Cgh. From Hs/Gry. Hs/Gry.12/MA.12.12.32. P.II. GEARBOX. Hdy. in a later telephone message thought we should retain the trough in the gearbox with the long pattern reverse. We think we should… | ||
| Scan363 | The new reverse gear and lubrication of the servo drive for the Phantom II Synchromesh gearbox. | ||
| View original record | X7310 Hdy. From Hs/Gry. c. to By. c. to E. Hs/Gry.2/MA.12.12.32. P.II SYNCHROMESH. Hdy.3/M.30.11.32. X4553 Reverse Gear. The new reverse gear of the long pattern works further into mesh under load,… | ||
| Scan364 | Gearbox lubrication performance at different gradients. | ||
| View original record | -2- Hs/Gry.3/MA.12.12.32. Cont'd. At gradients up to 1 in 4 1/2 oil is thrown by the sliding 2nd., speed pinion on-to the servo worm. At steeper gradients lubrication is again by drip from the lid.… | ||
| Scan365 | Modifications to the reverse gear thrust surface and the servo drive lubrication system. | ||
| View original record | Y7310 HS/GRY. FROM HDY. HDY/AM/17.12.32. C. to EY. E. RIC. P. 2. SYNCHROMESH. REVERSE GEAR. We agree that a thrust surface should be provided to prevent movement of the reverse shaft beyond the… | ||
| Scan366 | Modifications for the helical 2nd speed gearbox of the Phantom model. | ||
| View original record | To. BY. from Hdy. c. to AG. Wor. HS. EA. DA. Y7310. HDY14/N.11.1.33. Helical 2nd.Speed - Phantom. N.Sch.3631 herewith shows the helical 2nd. speed for the Phantom. Existing gearbox casings can be used… | ||
| Scan367 | Seizures of 3rd speed wheel bearings and related lubrication issues. | ||
| View original record | X7310 HS. FROM HDY. HDY2/M25.1.33. 3rd. SPEED WHEEL SEIZURES. X.7310. X.5310. With regard to your recent remark on the telephone that there had been a number of seizures of bearings of silent 3rd.… | ||
| Scan368 | Remarks on the control of a proposed 40/50 epicyclic gearbox. | ||
| View original record | x7310 E. FROM HDY. HDY2/M28.2.33. C+ to HS. DA. 40/50 EPICYCLIC GEARBOX. _______________________ We send the following information which we have extracted from remarks made recently by R. regarding… | ||
| Scan369 | The testing of helical second speed gears on Peregrine, 20/25, and 40/50 chassis. | ||
| View original record | X7310 R. from Hs/Gry. c. Sg. Wor. c. E. By. c. Da. Hs/Gry.2/KT.25.3.33. HELICAL 2nd SPEEDS. We have now tested the W.W. designs of silent 2nd. gear on Peregrine, 20/25, and 40/50. On all three chassis… | ||
| Scan370 | Modifications to the change gear lever to prevent rattles and improve its operation. | ||
| View original record | X7320 BY. } FROM HDY. HS. } HDY1/M28.3.33. C. to SG. WOR. E. DA. MODIFICATIONS TO CHANGE GEAR LEVER. X.7320. X.5320. At the request of the Expl. Dept. we have made various modifications to the reverse… | ||
| Scan371 | Standardisation of Reverse Gear GL.595 Long Pattern. | ||
| View original record | STANDARDISATION of CHASSIS PARTS. Description of Parts: REVERSE GEAR GL.595 LONG PATTERN. Origin: To overcome the difficulty of engaging 1st gear, a stationary reverse shaft no longer being picked up.… | ||
| Scan372 | Standardisation document for chassis parts detailing costs, test date, and the first chassis to be fitted with a new part. | ||
| View original record | STANDARDISATION of CHASSIS PARTS The number of the first chassis on which the new part will be fitted......... 51 in 'O' Date when chassis will be handed to test. 11.2.33. Cost of scrapped material,… | ||
| Scan373 | Modifications to the change gear lever mechanism. | ||
| View original record | BY.) FROM HDY. HS.) R/310 CRX HDY1/M13.4.33. C. to SG. WOR. F. DA. MODIFICATIONS TO CHANGE GEAR LEVER. Further to our HDY1/M28.3.33. we now send N. schs. 3674/75., which deal with the side movement of… | ||
| Scan374 | Query regarding the operation of the silent second speed feature and if double-clutching is required for downshifting. | ||
| View original record | 87310. S/W. Hs. re- 40/50 h.p. Chassis - Silent Second Speed. Cxl/KW3.5.33. With reference to the silent second speed which is being introduced at 126th chassis in O2(40/50) and 51st in "Z" (20/25)… | ||
| Scan375 | The silent second speed on the 40/50 HP chassis, noting the need to double clutch. | ||
| View original record | To Cx. From Hs. Y 310. Hs.6/MJ.4.5.33. Re. 40/50 HP. Chassis - Silent Second Speed. Replying to Cx.1/KW.3.5.33. To make a silent change on the new second speed it will be necessary to double clutch.… | ||
| Scan376 | Standardisation of Helical 2nd Gear N. Sch. 3631 to reduce gear noise. | ||
| View original record | RR 755 (10M) (30405. 21-4-32) BM. 3/8382/4. COMPLETED 14.6.33. 873/0. STANDARDISATION of CHASSIS PARTS. Date 3.2.33. X No. 7310 Drawing No. J.S. Part 2 List Description of Parts. HELICAL 2nd. GEAR N.… | ||
| Scan377 | Standardisation form for a new part to be fitted to chassis, including costs and test dates. | ||
| View original record | STANDARDISATION of CHASSIS PARTS Date. C.S.D. .06 Ref. No. 1299./D.S. DATE. 25.5.33 Part No. Drawing No. X PISTO Road Test Report. Experimental Test Report. The number of the first chassis on which… | ||
| Scan378 | Modifications to the 2nd speed dogs for Bentley, 20/25, and Phantom models. | ||
| View original record | COPY. X7 31 D To BY. from HDY. HDY.1/HP.2.1.34. c. Wor. E. Hs. Da. RHC. Backed off 2nd Speed Dogs. Will you kindly instruct for production backed off 2nd speed dogs for the Bentley as shown on sketch… | ||
| Scan379 | Weights of Vulture, 40/50 HP, and 20/25 HP gearboxes and components. | ||
| View original record | COPY. <7310 To Hs/Gry. from RHC/HPS. RHC/HPS.1/BE.30.1.34. We give below the weights of Vulture, 40/50 HP. and 20/25 HP. Gearboxes. Vulture Gearbox. lbs. Ozs. Less Change Gear, Servo and Governor… | ||
| Scan380 | Correcting the suggested placement for the filling plug and level stick on the P.2 S.M. 2nd Gearbox. | ||
| View original record | X7310 To HT. from HDY. HDY.1/HP.6.3.34. C. Wer. E. Hs. De. WHC. --------------------------- Filling Plug and Level stick. P.2 S.M. 2nd Gearbox. --------------------------- We send herewith N. Sch.4002… | ||
| Scan381 | Issues and modifications for a synchromesh 2nd speed gearbox fitted to a Vulture chassis. | ||
| View original record | To Sg. From Hs/Gry. c. to Mor. c. to E* c. to By. c. to Da. c. to Hdy. X7310 Hs/Gry.2/KW. 7.3.34. Synchromesh 2nd Speed Gearbox. We have fitted the first gearbox of this type to the Vulture chassis.… | ||
| Scan382 | Gearbox issues, including gear wear, noise, and engagement problems, with proposed modifications. | ||
| View original record | -2- Hs/Gry.2/KW.7.3.34. We also noticed that the thrust plate that is used when engaging 1st gear or coming out of 2nd gear was distorted and worn. Edy. has given us a modification to overcome this.… | ||
| Scan383 | Changes to the gear and brake levers for the Phantom S.M. 2nd model. | ||
| View original record | To BY. from HDY. HDY.2/HP.22.3.34. c. Lor. Mr Hs. Day. RV. RMS. Change Gear and Brake Levers. Phantom S.M. 2nd. We are sending herewith N. Sch's 4016,7 and 8 which show the above levers and the… | ||
| Scan384 | Internal memorandum regarding modifications to the P.2. S.M. 2nd Gearbox. | ||
| View original record | X7310 GRY To BY. from HDY. HDY.1/HP.23.3.34. c. [strikethrough]for Mr. Hs. Dn.[/strikethrough] RHG. P.2. S.M. 2nd Gearbox. N. Sch.3998 which we send herewith shows a stiffened retaining plate for the… | ||
| Scan385 | Urgent inquiry regarding the production status of the Second Speed Synchromesh Gearbox for the 40/50 HP model. | ||
| View original record | PRIVATE. Er from Wor. Hs. By. C... X7310 Wor8/R.29.3.34. Second Speed Synchromesh Gearbox for 40/50 H.P. Could you kindly advise me as to the position of this gearbox? We feel that the sooner we can… | ||
| Scan386 | The design and casting status of the Second Speed Synchromesh Gear Box for the 40/50 HP model. | ||
| View original record | X7310 To WOR. from E/Lid. c. Hs. By. EWT. E/Lid/1/HP.4.4.34. Second Speed Synchromesh Gear Box. for 40/50 HP. (Wor.&/R.29.3.34). ---------------------------------- The designs for this have been… | ||
| Scan387 | Progress report on the second speed synchromesh gearbox for the 40/50 HP chassis. | ||
| View original record | X7310 Wor. [struck through] c. Hs. [struck through] GRY C. E. [struck through] C. ENT [struck through] BY. 2/G.5.4.34. SECOND SPEED SYCHROMESH GEARBOX FOR 40/50 HP. CHASSIS.… | ||
| Scan388 | Modifications to the P.2. S.M. 2nd Gearbox, including changes to the gear gate travel and reverse shaft. | ||
| View original record | X7310 To Hy. from HDY. HDY.1/HP.17.4.34. c. Wor. E. Hs. Da. KHO. P.2. S.M. 2nd Gearbox. With reference to the difficulty in obtaining sufficient strength in the tongues of the change gear gate with… | ||
| Scan389 | Modifications to the P.2. S.M. 2nd Gear/Brake Levers, reverting to an inclined handle. | ||
| View original record | To BY. from HDY. X7310 HDY.1/HP.4.5.34. c. Wor. E. Hs. Pa. EV. RHO. and P.2. S.M. 2nd Gear/Brake Levers. N. Sch.4040 herewith shows modifications to these asked for by EV. As will be seen we have… | ||
| Scan390 | Requesting the deletion of an adjustment washer for the P.2 S.M. 2nd Gearbox layshaft. | ||
| View original record | X 7310 To BY. from HDY. c. Wor-Br-Hs.-Ha. RMC. HDY.2/HP.5.6.34. P.2. S.M. 2nd Gearbox. Will you kindly delete the adjustment washer for the front end bearing of the layshaft which we show on N.… | ||
| Scan391 | Standardisation of parts for backed off second speed dog teeth. | ||
| View original record | RR 75S (SH) (S2674, 15-10-33) BM. 3/262/6, COMPLETED 18.6.34. 40/50 STANDARDISATION of PARTS. Date 23.4.34. X No. 7310. Drawing No. Part List Description of Parts. BACKED OFF SECOND SPEED DOG TEETH.… | ||
| Scan392 | Cost estimation for extra jigs, tools, and equipment related to a part standardization. | ||
| View original record | This document is a view of the back of a form, with text from the front showing through in reverse. The combined text is as follows: **Header (from front):** STANDARDISATION of PARTS. 4020 Description… | ||
| Scan393 | Excessive end load on the second gear sliding piece of a 28-EX gearbox. | ||
| View original record | To RHC. X7310 Ha/Gry.16/KW.6.7.34. 28-EX. Gearbox. On examining the parts of this gearbox it is evident that the end load required to slide the second gear sliding piece is much greater than the top… | ||
| Scan394 | Alterations for a P.2. S.M. 2nd Gearbox before reassembly. | ||
| View original record | N7310 To RHC. from HDY. HDY.1/HP.7.7.34. c.c. Hs/Gry. P.2. S.M.2nd Gearbox. We have examined the pieces of this box and should like the following alterations made before the box is again assembled:-… | ||
| Scan395 | Provision of oil grooves for the P.2. S.M. 2nd Gearbox. | ||
| View original record | X7310 To BY. and MHDY. from HDY. c.c. Mr Hs. Jupp. HDY.1/HP.9.7.34. P.2. S.M. 2nd Gearbox. Further to HDY.1/HP.7.7.34, paragraph 2, we think that oil grooves should be provided as we shew by… | ||
| Scan396 | The trial of weaker selector rod springs for the P.2. S.M. 2nd Gearbox. | ||
| View original record | X7310 To BY. from HDY. HDY.1/HP.17.7.34. c. WOFF. E. Ms. Day. IGH. [text is struck through] GRY P.2. S.M. 2nd Gearbox. N.Sch.4128 herewith gives particulars of weaker selector rod springs which we… | ||
| Scan397 | Improvements to the P.2. S.M. 2nd Gearbox using wider cones and ball bearings. | ||
| View original record | To DY. from HDY. C. Mr. Hives. Mr. Evernden. [Text is struck through] X7310 [Handwritten] HDY.1/MP.19.7.34. GRY [Handwritten Signature] P.2. S.M. 2nd Gearbox. Herewith is N. Sch.4141 which shows wider… | ||
| Scan398 | Gearbox features for the 28-EX car before its dispatch to France. | ||
| View original record | + 7310 To RHC. HS/Gry.6/KW.23.7.34. 28-EX. Gearbox. Before this car goes to France we should like to incorporate all the features mentioned in Hdy.1/HP.19.7.34. We think however we should retain the… | ||
| Scan399 | Modification to the P.2. S.M. 2nd Gearbox speed actuating lever. | ||
| View original record | Y7310 To BY. from HDY. C. WOT. E. HS. Er. HDY. HDY.1/HP.23.7.34. P.2. S.M. 2nd Gearbox. N. Sch.4145 herewith shows the 1st and 2nd speed actuating lever fitted with a needle roller bearing for the… | ||
| Scan400 | Modifications to the P.2. S.M. gearbox 2nd speed sleeve to reduce friction. | ||
| View original record | Y7310 To DY. from HDY. ------------------- C.c. Mr H.S. Mr E.W.R. ------------------- HDY.2/HP.23.7.34. ------------------- P.2. S.M. Gearbox. ------------------- N. Sch. 4143 herewith shows… | ||
| Scan401 | Modifications to a P.2. S.M. 2nd Gearbox to lighten its actuation. | ||
| View original record | 47310 To Hs. and HHG. from HDY. c. Wor. E. Da. By. P.2. S.M. 2nd Gearbox. I have tried this gearbox since it has been fitted with weaker 2nd speed S.M. plungers and with 50° cams and my impression is… | ||
| Scan402 | Modifications to the gearbox gate for the Phantom and Spectre models. | ||
| View original record | X7310 To BY. from HDY. HDY.1/HP.27.7.34. c. for Mr. E. Hs. Dr. MIC. [Signature] P.2. S.M. 2nd Gearbox, and Spectre Gearbox. The sheet metal gate fitted to the Phantom gearbox is in our opinion too… | ||
| Scan403 | Schematic for the vent on a P.2. S.M. 2nd Gearbox. | ||
| View original record | V7310 To BY. from HDY. HDY.3/HP.27.8.34. c. Wox. E. Hs. Des. 1810G. P.2. S.M. 2nd Gearbox. We send herewith N. Sch.4160 which shows the vent for this box. HDY. | ||
| Scan404 | Revisions to the P.2. S.M. 2nd Gearbox, including a new vent, spherical bearing and spring loading. | ||
| View original record | GRY X7310 To BT. from HDY. MDY.1/HP.4.9.34. c. Mr. E. Hs. Dr. RHG. P.2. S.M. 2nd Gearbox. -------------------- N. Sch's 4170 and 4173 herewith shew a revised vent and a spherical gear lever shaft… | ||
| Scan405 | Confirming a conversation to put in hand another Phantom synchromesh second box. | ||
| View original record | X 7310 To RHC. c. to Gry. Hs/Rm.12/KW.7.9.34. Phantom Synchromesh Second Box. This is to confirm our conversation asking you to put in hand another Phantom synchromesh second box. Hs/Rm. | ||
| Scan406 | Five modifications for the Ph.II Synchromesh Gearbox. | ||
| View original record | To RHC. + 7310 Hs/Gry.14/KW.11.9.34. Ph.II Synchromesh Gearbox. This is to ask you to incorporate in the second gearbox of this kind the following modifications :- (1) Ball bearing, lower 2nd speed… | ||
| Scan407 | Instruction to experiment with a gearbox sleeve and cam pins, changing their angle from 50º to an alternative of 45º. | ||
| View original record | To HY. from HDY. GRY (handwritten signature) x7310 (handwritten) HDY.1/EP.13.9.34. c. Wsm. E. Hs. Des. RMcV P.R. S.W. 2nd Gearbox. Will you kindly instruct for experiment sleeve and cam pins with an… | ||
| Scan408 | Modifications to the P.2. S.M. 2nd Gearbox to facilitate assembly and prevent binding. | ||
| View original record | X7310 To ET. from HDY. HDY.4/HP.24.10.34. C. Wor. S. Hs. Rev ENG. GRY P.2. S.M. 2nd Gearbox. In order to facilitate assembling the box, will you kindly add a tapered extension to the front end of the… | ||
| Scan409 | Modifications to the P.2. S.M.2. Gearbox for improved casing removal. | ||
| View original record | X7310 To HA from HDY. HDY.1/HP.26.10.34. c. WGT. Er Hs. Dav RHO. GRY P.2. S.M.2. Gearbox. N. Sch.4241 herewith shows modifications to the 2nd speed S.M. cone and the boss for the rear reverse shaft… | ||
| Scan410 | Spring length discrepancy on the P 2 S M 2nd Gearbox and proposing revised specifications. | ||
| View original record | x7310 To BY. Copy to Works. HS. Ds. RMO. HDY.2/MN. 9/11/34. P 2 S M 2nd. Gearbox. We notice that the springs G 82227 on the 2nd. speed slider shown by GL. 742 are not in agreement with N Sch. 4140 as… | ||
| Scan411 | Use of full depth nuts instead of lock nuts for bolts on a P 2 BM 2nd Gearbox. | ||
| View original record | x7310 To BY. Copy to Mr. E. Hs. Ws. EWST HDY.3/MN.9/11/34. [Signature] R H GRY P 2 BM 2nd. Gearbox. With regard to the bolts which hold the selector rod plunger housing to the diaphragm of the box we… | ||
| Scan412 | Standardisation of undersheets in connection with new gearbox and engine mounting. | ||
| View original record | RR 758 (SH) (57312. 29-12-33) BM 3/646/2 COMPLETED 16.3.35. 40/50 STANDARDISATION of PARTS. Date: 16.10.34 (handwritten above: 8-2-35) X No. 7310. Drawing No. G78840/1 Part List No. G80432, G81300… | ||
| Scan413 | Assessing the standardization of parts, detailing costs and production implementation. | ||
| View original record | STANDARDISATION OF PARTS DS/OS Date 20.10.34 Est. cost of extra jigs, tools and equipment (Sft/Ws.20.9.34) NIL Could be brought on to production at 51st chassis in T series, (Sft/GH.20.9.34) without… | ||
| Scan414 | Standardisation of parts for a gearbox with synchromesh 2nd gear. | ||
| View original record | RR 785 (SH) (57312, 29-12-33) BM 3/640/2 COMPLETED 16.3.35. 40/50 STANDARDISATION of PARTS. Date 16.10.34. Description of Parts. GEARBOX WITH SYNCHROMESH 2nd GEAR. Origin. To facilitate ease of… | ||
| Scan415 | Cost comparison and production details for a new part, including labour, charges, and tooling costs. | ||
| View original record | COMPLETED 23.9.31. STANDARDISATION OF PARTS Date. 10.10.34 X CHANGE WITH MODIFICATION "St. cost of extra jigs, tools and equipment (Sft/Ws.20.10.34) £1514.0.0. Could be brought on to production at… | ||
| Scan416 | Query regarding the technical objections to implementing synchromesh on more gears in the gearbox. | ||
| View original record | S/W. Hs. Cx4/KW12.4.35. About a year ago I had some rather interesting correspondence with a very knowledgable customer of ours who was advocating second speed s/m on Bentley and Rolls-Royce cars.… | ||
| Scan417 | Performance of the synchromesh second speed on the Phantom gearbox. | ||
| View original record | W/S - Cx. 4728 Hs/Rm.2/KW.15.4.35. Replying to Cx.4/KW.12.4.35. The synchromesh second speed which is now standardised on the Phantom is a good example of the fact that synchromesh on the lower gears… | ||
| Scan418 | Complaints of second gear jumping out on Phantom II cars and the proposed solution. | ||
| View original record | To-E. From-Hd. c-c to Wor. c-c to C. c to Hs. c-c to H. c-c to Hx. x728 Hd20/HR.13.8.35. re COMPLAINTS OF SECOND GEAR JUMPING OUT ON PHANTOM II CARS. ---------------------------- Confirming my… | ||
| Scan419 | Complaints of the second gear jumping out on P.2 cars. | ||
| View original record | GRY 4728 E.1/HP.14.8.35. To Hd. c. Mor. C. Hs. EP. HX. HDY. re Complaints of 2nd Gear Jumping out on P.2. Cars. Referring to your memo Ld.20/HP.13.8.35, this confirms that we have issued a special… | ||
| Scan420 | Recurring issue with the second gear jumping out on the Phantom II model. | ||
| View original record | c to Hs. GRY +728 Hd/SB11/HR.17.8.35. re SECOND GEAR JUMPING OUT. PHANTOM II. ------------------------- We note from your C9/C.16.8.35., that Colonel Bristow has telegraphed us that our No. HXB-24… | ||
| Scan421 | Cases of the second gear jumping out on the Phantom II model. | ||
| View original record | S/W....Hd/BB c. to E c. to Hs. GRY x728 C5/C19.8.35 RE SECOND GEAR JUMPING OUT..PHANTOM II. Hd/SB11/HR17.8.35 We note you have had another of these, viz. 70-PY, Mr. Sandburg. We have since ascertained… | ||
| Scan422 | Request to find a car with a Phantom gearbox fault for testing and measurement before any alterations are made. | ||
| View original record | X728 To Hd. Hs/Gry.12/KW. 20.8.35. Phantom Gearbox. Will you please let us know as soon as a car is available either in Derby or Cricklewood, that is suffering from the trouble of second gear jumping… | ||
| Scan423 | Confirming tests to investigate the Phantom II second speed gear jumping out. | ||
| View original record | GRY x728 To Hs. from E. c.c. Mr. Hd. HDY. E.11/HP.21.8.35. re Phantom 2 Second Speed Gear Jumping Out. This is to confirm that you will arrange tests with 28-EX and if necessary other Phantom 2… | ||