Rolls-Royce Archives
| Identifier | Entry | ||
| scan0001 | Supply of Flywheel & Clutch unit parts for the EAC.11 proposal and a required design modification. | ||
| View original record | Hs. X8300 BY11-P11. 3. 24. EAC.11. FLYWHEEL & CLUTCH. From R7/M4324, it would appear that we ought to supply certain members of the Flywheel & Clutch unit which are ordered for 132 sets for the… | ||
| scan0002 | Secret memo regarding an experimental drawing for a gravity clutch brake. | ||
| View original record | To BY. from E. c. to CJ. RG. Hs. S E C R E T: EAC.11. GRAVITY CLUTCH BRAKE. We send herewith drawing No.LeC.1855 shewing the above in a form in which it could be tried experimentally. A blue print of… | ||
| scan0003 | Secret memo discussing drawing No.LeC.1869, which details a proposed spring for a clutch stop mechanism. | ||
| View original record | To BY. from E. c. to CJ. HS. V8300 S E C R E T. E1/M8.5.24. E.A.C.11. CLUTCH STOP. X.830D We send you herewith drawing No.LeC.1869., shewing the above. Would you kindly instruct this as soon as… | ||
| scan0004 | Secret memo discussing engine detonations, over-running vibrations, and clutch brake issues on the EAC engine. | ||
| View original record | To E. from R. c. to CJ. BJ. c. to RG. BY. c. to DA. HS. +8300 S E C R E T. EAC+ ENGINE. R6/M8.5.24. DETONATIONS, OVER-RUNNING VIBRATIONS, AND CLUTCH BRAKE. X.9550 +8300 X.9301 X8005 DETONATIONS.… | ||
| scan0005 | Secret memo regarding a drawing for a clutch brake spring pressure device. | ||
| View original record | X.930D To BY. from E. c; to CJ. HS. S E C R E T. E. A. C. E1/M2.5.24. RE. CLUTCH BRAKE. X.9301. Y830D We send you herewith drawing No.LeC.1869., shewing the spring pressure device placed between the… | ||
| scan0006 | Cause of a clutch failing to disengage and proposing a new fitting to fix the issue. | ||
| View original record | To HS. from R. c. to CJ. RG. DA. E. BY. 4830D S E C R E T. R2/112.5.24. E. A. C. CLUTCH. X.9480 [crossed out] X.9501 [crossed out] 4830D [handwritten, crossed out] X8480 [handwritten, crossed out] We… | ||
| scan0007 | Testing and modifying an E.A.C. clutch brake. | ||
| View original record | R.R. 493A (40 H) (SL 42 12-7-23). J.H. D. X8300 EXPERIMENTAL REPORT. Expl. No. 9301 REF. Hs3/LG20.5.24. To R. from Hs. c. to CJ. RG. c. to DA. E. c. to BY. Wor. S E C R E T. E.A.C. CLUTCH. X8300 We… | ||
| scan0008 | Confirming a spring fitted to the E.A.C. Clutch has resolved performance issues. | ||
| View original record | To R. from Hs. c. to CJ. RG. c. to DA. E. c. to BY. Wor. S E C R E T. E.A.C. CLUTCH. We have fitted a spring between the Crankshaft and Universal Joint. The Clutch Brake now performs quite… | ||
| scan0009 | Determining the moment of inertia for EAC and 40/50 HP flywheels. | ||
| View original record | R.R. 423A (20H) (D.A. 652 20-3-24) J.H.D. EXPERIMENTAL REPORT. Expl. No. Y8300 REF: Hs/ACL/LGl.12.24. MOMENT OF INERTIA OF EAC. & 40/50 FLYWHEELS. Y3429 We have determined the moment of inertia of the… | ||
| scan0010 | Comparison table of flywheel and clutch specifications for the EAC and 40/50 HP models. | ||
| View original record | EAC. 40/50 HP. DISTANCE BETWEEN SUPPORTING WIRES. 1.166 ft. 1.166 ft. LENGTH OF WIRES. 6.644 ft. 6.839 ft. WEIGHT OF FLYWHEEL COMPLETE WITH CLUTCH. 168.25 lbs. 114.44 lbs. TIME FOR 30 OSCILLATIONS.… | ||
| scan0011 | Secret memorandum discussing clutch difficulties, specifically slipping and disengagement, on the 98-NK test car. | ||
| View original record | To Hs. from BJ. Copies to OJ. Wor. (Struck through) PN. (Struck through) CWB. (Struck through) SECRET. X8300 BJ1/H16.2.25. E.A.C. 'V' SERIES. In view of our lengthy discussion during our tests with… | ||
| scan0012 | Secret memo regarding an improvement to the E.A.C. Clutch's 'gentle take-up plungers'. | ||
| View original record | From AJS. c. to Hs. +8300 AJS2/DB.23.2.25. S E C R E T. E. A. C. CLUTCH. Referring to the "Gentle take-up plungers" on this Clutch, the experimental department have found that considerable improvement… | ||
| scan0013 | Secret memorandum on the E.A.C. clutch and flywheel, noting it is heavier with more inertia than the 40/50 model, and requesting an investigation into weight and cost reduction. | ||
| View original record | X.8300 S E C R E T. R2/M13.3.35. To AJS. Hs. ) FROM R. E. BY. ) c. to CJ. RG. DA. E. A. C. CLUTCH & FLYWHEEL. I understand that this unit is :- (1) 80 lbs. heavier than present 40/50., and (2) has 25%… | ||
| scan0014 | Corrections and modifications for clutches on 'V' Series and 'B' type chassis. | ||
| View original record | X8300 Dit. NBL. Hs. BY6/H. 20.3.25. --------------- Would you kindly arrange to correct half a dozen clutches on "V" Series cars delivered to MX, to the latest Part List? I have Wor's authority for… | ||
| scan0015 | Design and manufacturing modifications for an E.A.C. Clutch to reduce weight, inertia, and cost. | ||
| View original record | V8300 Secret. Messrs. C.L. C. Hs. Crompton-Wood AJS2/H. 21.3.25. RE E.A.C. CLUTCH. Replying to your memo concerning the reduction of weight, inertia and expense of this, we find that considerable… | ||
| scan0016 | Modifications to a flywheel rim to reduce inertia, weight, and expense, including a diagram and handwritten notes. | ||
| View original record | - 2 - AJS2/H. 21.3.25. ---------- In addition to this, it appears convenient to increase the internal diameter of flywheel rim, as indicated, and with these modifications, the inertia is decreased… | ||
| scan0017 | Proposing an improved scheme for a car clutch mechanism. | ||
| View original record | X. 8300 To Hs. from R. c. to CJ. BJ. c. to BY. PN. EAC. CLUTCH. R3/M12. 5. 25. I am not quite satisfied with the stopping of the clutch on the car I have here. It does not appear to stop at all unless… | ||
| scan0018 | Authorisation sheet for a new clutch trunnion design on the 'V' Series to resolve a noise issue and improve output. | ||
| View original record | ST. [crossed out] C. Mor. c: Hs. ----- X8300 BY10/H. 14.5.25. --------------------- AUTHORISATION SHEET NO.3. ------------------------- The Clutch Trunnion on "V" Series is very noisy. About 50% of… | ||
| scan0019 | Secret memo from AJS regarding an improved E.A.C. clutch damping device with alternatives for fitting. | ||
| View original record | V8300 TO BY. FROM AJS. SECRET. AJS3/M15.5.25. Copy to - EH. HS. E. A. C. CLUTCH. V8300 We send herewith drawing LeC. 2068, shewing the improved form of damping device used in clutch on LeC. 2067., but… | ||
| scan0020 | Secret memo describing an improved EAC clutch with a new damping mechanism and other modifications. | ||
| View original record | TO BY. FROM AJS. S E C R E T. X8300 Mis S 15 AJS2/M15.5.25. Copy to GJ. HS. IMPROVED EAC. CLUTCH. We send herewith drawing LeC. 2067. shewing a clutch incorporating an improved form of damping, in… | ||
| scan0021 | Clutch dismantling procedures and design suggestions for clutch components. | ||
| View original record | (2) when dismantling clutch, and in this connection we think that if it has not already been done some note should be put in the instruction book pointing out the use of the clutch disc retainers in… | ||
| scan0022 | Authorisation sheet for a modification to use a flat race clutch trunnion. | ||
| View original record | X. D300 Wor. Hs. Sft. Wd. Mr. AUTHORISATION SHEET NO.3. - "V" SERIES. CJ. has telephoned me that he is in agreement with the proposal put forward in BY10/H. 14.5.25. and the modification must… | ||
| scan0023 | Causes and potential cures for eccentricity in clutch assemblies. | ||
| View original record | X.8300 To WS. from R. c. to CJ. Wor. BY. c. to HS. R3/M22.5.25. EAC. CLUTCH. X.8300 The methods described in your WS1/P20.5.25., for obtaining concentricity of the withdrawing sleeve guide in relation… | ||
| scan0024 | Continued discussion on production methods for flywheels and crankshafts, weighing accuracy against efficiency. | ||
| View original record | contd :- -2- the experiment outlined herewith, in due course. Handling the work as you indicated is good for extreme accuracy, but is not a production scheme, which we endeavoured to design for. It is… | ||
| scan0025 | Proceeding with an experiment to make the F.A.C. Clutch Flywheel and Cover as separate units. | ||
| View original record | X8300 To R. from WS. C. H.J. C. WOR. C. BY. C. HS. WSL/F28.5.25. RE F.A.C. CLUTCH. We are proceeding to experiment as you have directed, to make the Flywheel and Cover as separate units and hope to… | ||
| scan0026 | Design changes to the EAC clutch stop, referencing drawing LeC. 2080. | ||
| View original record | TO BY FROM AJS. Copy to - HS. X8300 AJS1/M10.6.25. EAC. CLUTCH STOP. We send herewith drawing LeC. 2080. shewing a simpli-fied form of the above, in which we have done away with the spring holding the… | ||
| scan0027 | Modifications to the EAC clutch, suggesting using fabric on revolving parts. | ||
| View original record | X. 8300 Hs. from R. c. to CJ. R1/M3.7.25. EAC. CLUTCH. In the matter of the clutch you did not report on the various modifications to the plate clutch, when we suggested using fabric on the revolving… | ||
| scan0028 | New light type clutch plate for the EAC clutch, its construction, and a request for a dismantling report. | ||
| View original record | X. 8300 To BY. from AJS. c. to CJ. c. to HS. AJS3/M9.7.25. EAC. CLUTCH. We send you herewith a new light type clutch plate for EAC. clutch - Lec.2102. It consists of a ferodo (or similar material)… | ||
| scan0029 | With a sketch proposing a modification to the light clutch to ease split pin insertion. | ||
| View original record | 48300 ~~TO~~ BY. FROM AJS. Copy to - HS. AJS6/M14.7.25. EAC LIGHT CLUTCH. We believe there is some difficulty in getting the split pin in the clutch operating levers shewn on LeC. 2067. We think that… | ||
| scan0030 | Cover note for a report on the machining of E.A.C. clutches. | ||
| View original record | NS300 To E. from Hs. Hs6/LG14. 7. 25. E.A.C. CLUTCH. We attach RHC's report on machining of EAC. clutches on the lines suggested by R. Hs. | ||
| scan0031 | Alterations to the Slipper Flywheel dowel design, referencing drawing LeC.2131. | ||
| View original record | To BY. from E, c. to CJ. Hs. E1/M31.8.25. RE. EAC. SLIPPER FLYWHEEL. X. 8300 X. 5300 We send herewith drawing LeC. 2131, shewing the above fitted with dowels as per our alteration to Goshawk. It is… | ||
| scan0032 | Machining of the new Phantom clutch unit, detailing tolerances and issues with crankshaft flanges. | ||
| View original record | To EY from RHC. C. Cpt. C. Hs. (8300) RHC5/BE. 27.10.25. RE MACHINING OF NEW PHANTOM CLUTCH UNIT Hs has passed your note BY/16/H. 9.10.25. on to me. I have also read Mr. Swift's note on the above job… | ||
| scan0033 | Procedure for fitting a clutch unit to a crankshaft. | ||
| View original record | .2. RHC5/BE. 27.10.25. in the reamering and bolting up in position it should be possible to take any complete Clutch Unit and fit to any Crankshaft within the limits stated. We are rather of the… | ||
| scan0034 | Present and proposed manufacturing methods for the 'Phantom' clutch unit to improve interchangeability. | ||
| View original record | X8300 U. BY. c. Hs. c. Mr. Coverley. SFT19/EMM.29.10.25. MANUFACTURE OF "PHANTOM" CLUTCH UNIT. Further to my note SFT1/EMM.30.9.25., we do not say that Flywheels and Clutches cannot be produced as… | ||
| scan0035 | Comparison of existing and proposed methods for a crankshaft and flywheel assembly. | ||
| View original record | EXISTING & PROPOSED METHOD. "A" These nuts rivetted over in position. EXISTING METHOD. These diameters turned in position for aligning engine with gearbox. "B" PROPOSED METHOD. "C" Finished complete… | ||
| scan0036 | Complaints of clutch 'jagger' in New Phantom models. | ||
| View original record | COPY OF Bt/S/EP9.11.25. Re NEW PHANTOM CLUTCHES. BJ. from Bt. There seem to be many cases of complaints of jagger. The latest one is that made by the driver to Captain G.B. Lester, chassis No. 50-HC.… | ||
| scan0037 | Clutch jaggering issues on 'New Phantom' cars, listing specific chassis and actions taken. | ||
| View original record | 48300 BJ4/H13.11.25. To Hs. from BJ Copy to.... BT. EP (BT. and EP. are struck through) "NEW PHANTOM" CLUTCHES. I attach a copy of Bt3/EP9.11.25. I understand there have been a number of cases of… | ||
| scan0038 | Comparing the moment of inertia of a new light type clutch plate unit against the standard. | ||
| View original record | H.R. 498a (50 M) (D.D. 31. 12-6-25) J.H.D. EXPERIMENTAL REPORT. Expl. No. 78300 REF Hs/ACLL/LG231125 To R. from Hs/ACL. c. to CJ. BJ. c. to RG. E. c. to DA. BY. c. to Wor. MOMENT OF INERTIA OF EAC.… | ||
| scan0039 | Standardisation of chassis parts, specifically a slipper wheel fitted with dowel pegs to improve reliability. | ||
| View original record | RR 755 (10H) (DB130 12-9-24) MS 301225 X. 8300 COMPLETED 22.12.25 STANDARDISATION of CHASSIS PARTS. Date 10.12.25 Description of Parts: SLIPPER WHEEL FITTED WITH DOWEL PEGS. Origin: To improve… | ||
| scan0040 | Standardisation document for a lightened flywheel and clutch to reduce weight and cost. | ||
| View original record | RR 755 (10H) (SL391 2-11-23) MP 281297 18300 COMPLETED 14.1.26. STANDARDISATION of CHASSIS PARTS. Date 10.12.25 Description of Parts. LIGHTENED FLYWHEEL AND CLUTCH. Origin. To reduce weight and cost… | ||
| scan0041 | Benefits and implementation of a lighter, more powerful aluminium engine for the Phantom model. | ||
| View original record | √ 8300 To Eż Hs. } FROM R. BY. AJS. } LE-CANADEL. R1/M11.4.26. c. to BJ. Wor. c. to RG. DA. PHANTOM - ALUMINIUM ENGINE, LIGHTER, X.8070 X.8300 INCREASED HP. ETC. X.8430 X.8840 This seems quite ready… | ||
| scan0042 | Clutch failures on the 40/50 HP model due to oil contamination on the clutch surfaces. | ||
| View original record | HS. c. DY. X.8300 EP5/H15.4.26. re. 40/50 HP. Oil getting on to the Clutch Surfaces. ------------------------------------------- We still have occasional failures of the clutch, due to slipping, which… | ||
| scan0043 | Investigating a slipping clutch complaint, which was found to be an isolated incident due to excessive lubrication. | ||
| View original record | To Hs. Re EPS/H.15.4.25. The complaint of slipping clutch's referred to in the above memo appears to be rather unfounded. Inquiries in the Test Dept. reveal the fact that on only one car has clutch… | ||
| scan0044 | Development of a lighter clutch, flywheel, and new gearbox for the Phantom model. | ||
| View original record | To R. from AJS. c. to BJ. Wor. RG. c. to DA. E. Hs. BY. X8300 AJS1/M17.4.26. PHANTOM. X.8300 X.8310 In reply to the query in memo. R1/M11.4.26. concerning a lighter clutch and flywheel we would say… | ||
| scan0045 | Further lightening of the Phantom flywheel and clutch by comparing its weight and moment of inertia with the Silver Ghost. | ||
| View original record | To Hs. from E. c. to BJ. R. BY. X8300 E1/M26. 4. 26. FURTHER LIGHTENING OF PHANTOM FLYWHEEL & CLUTCH. X. 8300 X. 9300 X. 8840 Regarding the further lightening of the Phantom flywheel and clutch we… | ||
| scan0046 | New lightened axle and clutch issues on the 12-EX car, including a new Ferodo clutch disc test. | ||
| View original record | To R. from Hs. c; to BJ. RG. c. to DA. E. c. to BY. Wor. X8300 Hs4/LG29.5.26. 12-EX CAR. X8300/X8770 The saving in weight of the new lightened axle is 42 lbs. The axle is also decidedly neater in… | ||
| scan0047 | Comparing the inertia and weight of flywheel and clutch units for the Phantom and Silver Ghost models. | ||
| View original record | Exptl. Report. X8300 To R. from Hs/ACL. c. B.J. Wor. RG. c. E. Da. Ey. c. Hs/ACL. Hs/ACL1/T10.6.26. X9300 X8840 X9930 INERTIA AND WEIGHT OF PHANTOM & SILVER GHOST FLYWHEEL & CLUTCH UNITS. Replying to… | ||
| scan0048 | Faults found in car 7-EX after a 260-mile test run. | ||
| View original record | To Hs. from R. X8300 R6/M15.6.26. 7-EX - 260 MILES RUN ON SAT/SUN. X. 8770 X. 8230 X. 8300 X. 699 The body is the worst fault in this car but I must complain of :- (1) The clutch not stopping quickly… | ||
| scan0049 | Adjustment issues and wear on the Phantom clutch. | ||
| View original record | To HS. EP. } FROM R. AJS. } X8300 R2/M18.6.26. C. BJ. PN. CWB. PHANTOM CLUTCH re.NOT STOPPING ON 7.EX. - X.8300. This was too clear of the clutch plate stop (requiring adjustment after 8,000 miles).… | ||
| scan0050 | Proposed modifications for the EAC clutch, specifically additional lightening and a reduction in the diameter of the ferodo. | ||
| View original record | To BY. from AJS. c. to Hs. X. 8300 AJS1/M26.6.26. EAC. CLUTCH. We send you herewith LeC.2259 which indicates some additional lightening we can do to the latest design of EAC. clutch without affecting… | ||
| scan0051 | The use of taper bolts for securing the flywheel to the crankshaft on the EAC clutch. | ||
| View original record | X8300 TO BY. FROM AJS. Copy to - Hs. " - Ws. " - Hs/RHC. AJS1/M1.7.26. RE. EAC. CLUTCH - X.8010. X8300 We note on arrangement drawing G.73748., that taper bolts are shewn for securing the flywheel, to… | ||
| scan0052 | Confirmation of a telegram from West Wittering requesting a clutch universal joint. | ||
| View original record | CONFIRMATION OF TELEGRAM. X8300 WEST WITTERING. 1. 7. 26. X.S 340 HIVES. ROYCAR. DERBY. SEND WITH CAR.E.A.C. CLUTCH UNIVERSAL JOINT. STENT. ATKINSON BOND | ||
| scan0053 | Interchangeability of the E.A.C. clutch arrangement parts. | ||
| View original record | AJS. C. Hs. X 8300 BY6/H. 5.7.26. E.A.C. CLUTCH ARRANGEMENT G.73748. ------------------------- Referring to AJS1/M. 1.7.26. The Works tried to produce the parts referred to interchangeably, but were… | ||
| scan0054 | Mr. Royce's requirements for manufacturing a clutch arrangement and flywheel. | ||
| View original record | TO BY. FROM AJS. Copy to -Hs. X8300 AJS1/M. 7.7.26. EAC. CLUTCH ARRANGEMENT - G.73748 - X.8300. Mr. Royce remarks as follows in reference to your BY6/H5726, dealing with the above:- He requires a true… | ||
| scan0055 | Proposed new lubrication method for the clutch operating shaft. | ||
| View original record | To BY. from AJS. c. to BJ. Hs. X8300 AJS2/M16. 7. 26. EAC. CLUTCH OPERATING SHAFT LUBRICATOR. X.8300 X.8980 We send herewith LeC.2264 shewing a method of lubricating the off-side bearing of clutch… | ||
| scan0056 | Redesigning the Phantom Clutch to reduce flywheel weight and overall cost. | ||
| View original record | TO BY. FROM AJS. Copy to - BJ. HS. ORIGINAL X8300 AJS3/M16.7.26. PHANTOM CLUTCH. X8300 We are redesigning this with a view to reduction in the weight of the flywheel, and incidentally by a new scheme… | ||
| scan0057 | Features of the improved, lightened, and simplified Phantom Clutch No. 4. | ||
| View original record | TO BY. FROM AJS. C. to - BJ. HS. ORIGINAL X8300 AJS1/M21.7.26. PHANTOM - CLUTCH No. 4. X8300 We send herewith LeC. 2275. shewing an improved, lightened, and simplified clutch for the above chassis.… | ||
| scan0058 | Proposal by Mr. Royce to use Kelmit metal bushes with small flanges to prevent squeaking in the Phantom clutch lever fulcrums. | ||
| View original record | To BY. from AJS. c. to BJ. Hs. X8300 AJS1/M22. 7.26. PHANTOM CLUTCH: X. 8300 X. 7300 In order to prevent the squeaking of the lever fulcrums on this unit, Mr. Royce is of the opinion that we should… | ||
| scan0059 | Running experimental chassis engines with plain parallel bolts on the crankshaft. | ||
| View original record | Hs RECEIVED 13 AUG 1926 X8300 HHC c. Hs. c. BY/SS. c. BY/IND. ---------- BY2/H. 13.8.26. All experimental chassis engines should be run with plain parallel bolts slipped in the holes where the… | ||
| scan0060 | Test report on the clutch of the MX-1 first O.H. valve test car after 14,000 miles. | ||
| View original record | Oy7-E-92026 X8300 September 20, 1926 To: Mr. Beaver cc Mr. Nadin - Mr.B.Johnson Mr.Bagnall Mr.F.H.Royce Mr.Caswell Mr.E.W.Hives Mr.Hulley London File Mr.Knapton Mr.Burton From: Mr. Olley TEST REPORT… | ||
| scan0061 | Proposal to introduce a simple internal and external gear coupling to reduce wear in the clutch. | ||
| View original record | Oy7-E-92026 -2- Proposal. The parts have been examined by the Committee this morning and we have discussed all possible cures we could think of. It has been decided to try a simple internal and… | ||
| scan0062 | Trial of a serrated drive on the Phantom clutch coupling shaft and its modification. | ||
| View original record | X8300 To OY. from R.. c. to BJ. Hs. R2/M2.10.26. PHANTOM CLUTCH. X.7300 X.8300 We have many times thought of trying a serrated drive on the clutch coupling shaft, but feared to try one. Firstly, we… | ||
| scan0063 | The proposal to test Phantom Clutch No.4 using the existing clutch casing. | ||
| View original record | TO DY. [struck through] FROM AJS. Copy to - HS. PHANTOM CLUTCH No.4. XS300 Until the clutch casing with new starter motor position is available for this unit, we consider it should be tested out with… | ||
| scan0064 | Internal works note regarding sending dampers and other parts with specific fitting instructions. | ||
| View original record | W Hives Arranging to send F S Dampers as requested HP [crossed out] Thr. Mattersons Ocup. Light Type fitted G70748 B2 Series no scrap [crossed out] G74776 C2. Series Light Type fitted No scrap.… | ||
| scan0065 | Clutch, a report for final decision, and arranging shipment of hydraulic pump shock absorbers. | ||
| View original record | X8300 To Hs. from BJ. R.R. Of America Inc. Clutch. BJ3/E18/10/26 Referring to the attached copy of cable received from Olley, Please confer with Wor. and BY and report to me. I will then send your… | ||
| scan0066 | Copy of a cable regarding a new clutch design and an order for a hydraulic pump and shock absorbers. | ||
| View original record | Copy of Cable received in London 18/10/26 ROLHEAD LONDON . JOHNSON DO YOU CONSIDER LIGHTENED CLUTCH WITH SPRING PLATE BEHIND FABRIC OFFERS SUFFICIENT ADVANTAGES OVER EARLIER TYPE TO JUSTIFY SCRAPPINGS… | ||
| scan0067 | Introduction of a lightened clutch for Phantom cars and the dispatch of hydraulic shock absorbers. | ||
| View original record | To BJ. from Hs. c. to WOR. X8300 + Hs4/LG19.10.26. R.R. of America Inc. - Clutch. X8300 X4244 Replying to BJ3/E18.10.26. When we introduced the lightened clutch on the Phantom cars at Derby, no scrap… | ||
| scan0068 | Cablegram from the US to UK factory regarding production issues with clutches for the Phantom type. | ||
| View original record | CABLEGRAM ROLLS-ROYCE OF AMERICA, INC SPRINGFIELD, MASS. Date October 26, 1926 Telegraph Company Please transmit the following message: (Straight cable) To ROLLS ROYCE LTD DERBY ENGLAND HIVES OUR… | ||
| scan0069 | Telegram from Springfield, Massachusetts about a production hold-up due to clutch engagement problems with the Phantom model. | ||
| View original record | RR 148A (50BKS.) (DB 914 6-5-25) MP 317364 ROLLS-ROYCE LTD. X8300 Cablegram TELEGRAM RECEIVED BY TELEPHONE. Time Received 7-10 pm Date 26-10-26 To Roycar Derby By W S Mercer from Springfield Mass.… | ||
| scan0070 | The dispatch of a cable about a 'USA Clutch' to Springfield. | ||
| View original record | X8300 To BP/Y1. from Hs. Hs/LG28.10.26. USA Clutch Will you please send the attached cable to Springfield which is a reply to the cablegram herewith. First class rate. Hs. Please Send no copy. | ||
| scan0071 | Letter confirming a decoded cablegram about friction surfaces and operating levers. | ||
| View original record | HS Y8300 D/BP/Bu4/ET Messrs. Rolls-Royce of America Inc., Springfield, MASS 29th October 1926 Dear Sirs, We beg to confirm our cablegram of yesterday, reading as follows:- M.73 Olley. Friction… | ||
| scan0072 | Friction in a new front axle, including proposals for ball ends and steering pivots. | ||
| View original record | To Hs/Rm. from DA. X8300 DAL/M5.11.26. FRICTION IN NEW FRONT AXLE. X.8300 X.8430 X.8420 X.8425 X. 235 With reference to your porposal to increase the friction on the ball ends, increasing the dia. of… | ||
| scan0073 | Letter from Maurice Olley of Rolls-Royce America to E. W. Hives regarding clutch improvements. | ||
| View original record | ROLLS-ROYCE OF AMERICA, INC. SPRINGFIELD, MASS. 78300 Oy1-E-11626 November 6th, 1926 Mr. E. W. Hives, Rolls-Royce, Ltd., Derby, England. Dear Mr. Hives: Re Clutch Many thanks for your cable re clutch.… | ||
| scan0074 | Issues with the slipper drive and friction damper on the 40/50 and 20 HP models needing improvement. | ||
| View original record | To E. from Hs. X8300 Hs1/T22.11.26. SLIPPER DRIVE. 40/50 AND 20 HP. X.5300 X8300 Below is memo we have received from Mx. in the Test Dept. This is to remind you that our friction damper does need… | ||
| scan0075 | Cause of squeaking slipper dampers and proposing a new treatment using black lead and lanoline. | ||
| View original record | RECEIVED STAMP: NOV 24 1926 Handwritten: X8300 C. Hs. BY20/H. 23.11.26. SLIPPER DRIVE. ----------------- Referring to MX9/T.17.11.26. it is difficult to form any estimate as to what is the actual… | ||
| scan0076 | Inconsistent working and weakness of the slipper wheel on the 20 HP Trials Saloon, chassis GYK-10. | ||
| View original record | To FN. from Hs. c. to BJ. c. to C. c. to CMB. c. to EP. ✓ X8300 Hs5/LG29.11.26. X5300 X5950 20 HP. TRIALS SALOON - GYK-10. When I drove this chassis to the Station, I could not appreciate that there… | ||
| scan0077 | Potential weight reduction and performance improvements for the Phantom and 7-EX engines. | ||
| View original record | To E. Hs. BY AJS. from R. c. to B.J. Wor. ROLLS-ROYCE LIMITED DERBY V8300 RA/M10.2.27. X. 8770 X. 8840 X. 8300 X. 8070 X. 8180 X. 3867 PHANTOM ENGINE - PRELIMINARY LIGHTENING WATERPIPE AND FLYWHEEL… | ||
| scan0078 | From AJS discussing further lightening of the Phantom's clutch and flywheel. | ||
| View original record | To R. from AJS. c. to BJ. Hs. AJS1/M21. 2. 2. 27. X8300 PHANTOM - CLUTCH AND FLYWHEEL LIGHTENING. X.8300 X.4194 In reference to your recent letter dealing with this subject, and the apparent success… | ||
| scan0079 | Potential improvements to the Phantom clutch, including a serrated coupling design and material specifications. | ||
| View original record | To AJS. E. BY. Hs. from R. c.c. to BJ. Wor. OY. Hl. V8300 R2/M6.3.27. PHANTOM CLUTCH. X.8300 X.4194 Will Mr. Stent kindly do as he suggests i.e. include in the next modifications the serrated coupling… | ||
| scan0080 | Telegram requesting a copy of the experimental report for the number four phantom clutch. | ||
| View original record | POST OFFICE TELEGRAPHS TELEGRAMS for INLAND addresses may be handed to the messenger who delivers this form. The Post Office accepts telegrams by telephone. RECEIVED At 7-30 M Prefix: S Time handed… | ||
| scan0081 | Proposed modifications for a lightened and simplified clutch and flywheel design. | ||
| View original record | X8300 TO R.H. FROM AJS. ORIGINAL AJS1/M17.3.27. C. to H.S. No.5. EAC. LIGHTENED AND SIMPLIFIED CLUTCH. X8300 SWEDEN We send herewith print of LeC. 2394. shewing the modifications to No.4. clutch… | ||
| scan0082 | Drawing LeC. 2394 for a lightened and simplified clutch for the Phantom No.5. | ||
| View original record | TO BY. FROM AJS. C. to --BJ. HS.. PHANTOM No.5. LIGHTENED AND SIMPLIFIED CLUTCH. We send herewith drawing LeC. 2394. shewing the above, and we shall be glad if you will send us a print in the ordinary… | ||
| scan0083 | Superiority of the new Phantom clutch over the old cone clutch, despite its higher cost. | ||
| View original record | To B.J. from R. c. to E.Y. Hs. Y8300 R3/M27.5.27. RE. PHANTOM CLUTCH. X.8300 X.4194 Regarding Springfield's remarks, and their wish to return to the old cone clutch, no doubt the new clutch is more… | ||
| scan0084 | Weight distribution to improve riding qualities and reduce pitching. | ||
| View original record | To Hs. from R. c.c. to BJ. Wor. c.c. to BY. LHS. c.c. to C. OY. 18300 R3/M24. 6. 27. RIDING QUALITIES - X.8410 X.8400 DISTRIBUTION OF WEIGHT. X.8340 X.8600 X.8300 We have spent considerable time… | ||
| scan0085 | New serrated coupling design for the Phantom clutch on a test car. | ||
| View original record | BY. from DA. c. to BJ. Hs. X8300 DA2/ML2.9.27. PHANTOM CLUTCH. NEXT 10,000 MILES TEST CAR. X.8300 X.8940b. Herewith we send N.sch.2465 shewing the serrated coupling inside the clutch, which R. wishes… | ||
| scan0086 | Inquiry regarding the performance of a proposed serrated coupling and lightened flywheel for the Phantom model. | ||
| View original record | Hs. from DA. X. 8300 DA3/M12.9.27 PHANTOM CLUTCH & FLYWHEEL. On LeC. 2394 the original design for a serrated coupling in the clutch, a lightened flywheel is shewn. As this coupling was proposed for… | ||
| scan0087 | Improvements to the Phantom and Sports Car clutch. | ||
| View original record | Hs. from R. c. to BJ. c. to Wor. c. to BY. +8830D R2/M13.9.27. NEXT 10,000 MILES PHANTOM X. 8770 X. 8300 AND SPORTS CAR - CLUTCH. X. 8940b. X. 8774 Mr. Hardy has sent you today some improvements - (1)… | ||
| scan0088 | EAC.10 & 12 clutch and clutch brake design, noting alterations and points for confirmation. | ||
| View original record | BY. from DA. c. BJ. HS. (handwritten) X8300 DA2/M17.9.27. EAC.10.& 12 CLUTCH (CLUTCH BRAKE) X. 8300 X. 8420 Herewith we send N.sch.2447 shewing the clutch and clutch brake for the above car. This… | ||
| scan0089 | Confirming the required material, either grey or red vulcanised fibre, for Phantom engine slipper drive friction discs. | ||
| View original record | E.Dept. Hs. RMC. MER. X8300 BY/O/H. 22.9.27. PHANTOM FRICTION DISCS. SLIPPER DRIVE. Referring to the special Phantom engine with the new type of slipper drive, R. has confirmed that he requires either… | ||
| scan0090 | Proposal to modify the 20 HP slipper flywheel to match the Phantom design and to test new friction materials. | ||
| View original record | BY. from E. c. to BJ. Hs. X8300 E2/M29.9.27. SLIPPER FLYWHEELS. 20 HP. & PHANTOM. X.5300 X.8300 With reference to the recent designs of slipper flywheels, we propose to modify the 20 HP. to make it… | ||
| scan0091 | Alternative materials, such as cotton duck and cork, for slipper flywheel friction discs. | ||
| View original record | E.Dept.from By. c.to Hs. c.to Roy. RECEIVED By10/J4.10.27. X356 X5300 Slipper Flywheels - Friction Discs. R. has suggested that as a result of American experience we should try some plain cotton duck… | ||
| scan0092 | Use of fibre and cork for friction discs in the Slipper Flywheel on 20 HP and Phantom models. | ||
| View original record | To E. from BY. c. to Hs. /8300 BY9/J4.10.27. . SLIPPER FLYWHEEL. X.5300 20 HP. AND PHANTOM. X.8300 X.356 Referring to E2/M29.9.27., we are of course employing fibre for the friction discs on the new… | ||
| scan0093 | Modifications to the Sports Phantom slipper flywheel, including reduced diameter and changes to driving springs. | ||
| View original record | BY. from E. c. to BJ. HS. X8300 E1/MO.10.27. SPORTS PHANTOM - SLIPPER FLYWHEEL. X. 8300 X. 634 .We send herewith drg. LeC.2472 shewing the modification to the above reducing its diameter. We have… | ||
| scan0094 | Improved clutch design adapted for a new crankcase and preparations for a future unit gearbox. | ||
| View original record | BY. from DA. c. to BJ. Hs. 16300 DA6/M22.10.27. EAC.14. CLUTCH. X. 8310 X. 8300 X. 8301 Herewith we send N.sch.2489 shewing the improved clutch adapted to the engine with a new crankcase. It is… | ||
| scan0095 | Requesting the lightening of a flywheel section to match another design. | ||
| View original record | X. 8300 DA1/M24.10.27. BY. from DA. c. to BJ. Hs. EAC.14 CLUTCH. With reference to N.sch.2489 the flywheel section shewn has rather more energy than the lightened type which you are now fitting. In… | ||
| scan0096 | Requesting to fit new clutch stop springs with a longer free length to sports cars. | ||
| View original record | To RHC. from Hs/Rm. £ X8300 Hs/Rml/LG20.12.27, Will you please arrange to fit Clutch Stop Springs G.75078 to the Sports Cars having a free length of 2.735" instead of 2.025 as at present. Hs/Rm. | ||
| scan0097 | Alteration of a spring for the clutch stop on Sports cars. | ||
| View original record | To BY. from Hs/Rn. X8300 Hs/Rm2/LG20.12.27. For the Sports cars we find the best rate of clutch stop is given by making G.75078 to give a load of 30 lbs. i.e., altering its free length from 2.025" to… | ||
| scan0098 | Issues found during testing of the new slipper wheel drive for the Phantom model. | ||
| View original record | To E. from Hs/Rm. X8300 Hs/Rm8/LG21.12.27. PHANTOM - NEW SLIPPER WHEEL DRIVE. X8300 We have run this a considerable distance on various cars. We find that the slack does increase in the splines in the… | ||
| scan0099 | Investigation into slipper drive failures on a New Phantom chassis, test No. 53-UF. | ||
| View original record | Hs. c. Mx. c. BY. X8300 EP7/H22.12.27. re. NEW PHANTOM SLIPPER DRIVE FAILURES. We recently had a chassis on test No. 53-UF, which was passed as satisfactory, and later, owing to it being (according to… | ||
| scan0100 | Issues with crankshaft dampers, including 'galloping' knock, and exploring alternative materials like woven cotton and Chrysler's rubber ring design. | ||
| View original record | R. from E. c. to Hs. 48300 E1/M14.1.28. RE. CRANKSHAFT DAMPERS. X.8010 X.4012 X.634 X.8300 X.4117 I understand from Hs. that nothing gives as good results as woven cotton. This remains to be confirmed… | ||
| scan0101 | Investigating and rectifying a knock in engine 7-LP. | ||
| View original record | To Mor. from Hs-GWH. c. to HY. R. Hs. c. to Mx. RP. CNS. X8300 Hs/GWH/LG16.1.28. RE. KNOCK IN ENGINE OF 7-LP. X8300 / X8020 I proceeded to London as requested and tested the car. The knock was very… | ||
| scan0102 | The setting of slipper flywheels and their adjustments. | ||
| View original record | To EOF. from Hs. c. to BY. EJ. lba. c. to Mr. EP. CWS. SETTING OF SLIPPER FLYWHEELS. Referring to the setting of the flywheels which Hs/GSH. used on the engine of 7-LF car. This setting is not… | ||
| scan0103 | Materials for crankshaft damper friction surfaces and their effect on engine vibration periods. | ||
| View original record | E. Hs. From R. BY. c. to BJ. Wor. 48300 R2/M2. 2.28. CAR ENGINES - CRANKSHAFT DAMPERS. X. 634 X. 7010 X. 8010 X. 8300 I am expecting a report on he best material for the friction surface. our old… | ||
| scan0104 | The Phantom Slipper Flywheel, referencing document LeC. 2520. | ||
| View original record | X. 8300 BY. from E. c. to BJ. Hs. E7/M6.3.28. PHANTOM SLIPPER FLYWHEEL. We send you herewith LeC. 2520 shewing the above. E. | ||
| scan0105 | Design, materials, and patenting of a corrugated disc drive for a damper flywheel. | ||
| View original record | E. Hs. from R. BY. c. to BJ. Wor. F1. X8300 R3/M9.3.28. DAMPER FLYWHEEL. LeC. 2520 X. 634. X. 8300 This corrugated disc drive of the second friction plate should have an English patent (at least… | ||
| scan0106 | Letter to Rolls Royce of America regarding the potential supply and production difficulty of fabric friction discs for damping flywheels. | ||
| View original record | c. Hs. X8300 16th. March 1928. BY17/G.16.3.28. Messrs. Rolls Royce of America, Inc. Springfield, Mass. Dear Sirs, FABRIC FRICTION DISCS FOR DAMPING FLYWHEEL. Referring to your letter in which you… | ||
| scan0107 | Testing a Phantom Slipper Wheel with cotton duck friction rings. | ||
| View original record | Re Phantom Slipper Wheel We fitted up a slipper wheel with the Cotton duck friction rings. To obtain our standard poundage of slip i.e. 18LBS at 17 1/2 RAD. we found that it was necessary to discard… | ||
| scan0108 | Comparing the performance of different slipper wheel fitters over mileage. | ||
| View original record | 2. with a slipper wheel fitter of west the cotton duck gave approx 5% better results. This was fitted to 12EX and will be run during the next 10000 miles. The fabric fitter was the 21oz, the 16 1/2oz… | ||
| scan0109 | Test results comparing slipper flywheels made of Bakelite versus Cotton Duck to address a 'Galloping Knock' on the Phantom model. | ||
| View original record | Wor. Hs By mb X8300 Mx/McM6/T20.3.28. "Galloping Knock" - Phantom With reference to Mx1/T24.2.28 - 5th paragraph. The slipper flywheels referred to have now been tested after standing for 3 weeks. The… | ||
| scan0110 | Complaints about a material, difficulty sourcing woven cotton duck, and proposed alterations. | ||
| View original record | To Hm. from Hs. X8300 Hsl/LG18.4.28. With reference to C5/C16.4.28 attached. Mx. is dealing with a number of these complaints successfully with the present material with lighter load. We are having a… | ||
| scan0111 | Recommending the adoption of a new spring and loading for Phantom Slipper Flywheels following satisfactory testing. | ||
| View original record | X8300 Hs from Mx. at Mx's House. Mx16/T16.5.28 RE SLIPPER FLYWHEELS - PHANTOM With reference to memo Mx1/T24.2.28, 24 Slipper Flywheels, at reduced poundage, using 20HP Springs have been tested, and… | ||
| scan0112 | Request to order two cork washers with specific dimensions for the Phantom slipper wheel. | ||
| View original record | To Roy/Ms. from Hs. X8300 Hsl/LGS.6.28. X3855 We wish to try cork washers for the damping effect in the Phantom slipper wheel. Will you please therefore order for us 2 washers made of cork to the… | ||
| scan0113 | Request to lighten a pair of standard Phantom slipper wheels according to an attached sketch. | ||
| View original record | X8300 RHC. from Hs/Rn. Hs/Rm2/LG27.7.28. Will you please lighten a pair of standard Phantom slipper wheels to the shaded portion marked 'A' on the attached sketch. We have only indicated approximately… | ||
| scan0114 | Drive flexibility from the clutch, engine torque effects, and potential flywheel inertia adjustments. | ||
| View original record | E. from Hs/Rm. X8300 Hs/Rm3/LG25.10.28. X-8005 Thank you for your E1/M24.10.28. We have been measuring the flexibility of the drive from the clutch backwards and find that it twists a number of… | ||
| scan0115 | Cancelling the suggestion for cadmium plating on Phantom clutches due to seizing issues and outlining the new procedures. | ||
| View original record | X8300 BY/TWD. C. Sft. C. MrCox. C. Hs. C. Mx. PHANTOM CLUTCH. BALL BEARING SPIGOT ON SERRATED JOINT. --------------------------------------- Please note that the original suggestion for cadmium… | ||
| scan0116 | Report from Melbourne about difficulties with lubrication points, oil egress, and mud ingress on the New Phantom model. | ||
| View original record | Pt.1/EP/4-12-28 Y8300 Hm./Derby C/Dy/Derby C/Hs/Derby C/Wmr/London MELBOURNE. - 4th December, 1928 Several Rolls-Royce owners have drawn my attention to the awkwardness of lubricating the outer end of… | ||
| scan0117 | Responding to a letter, discussing issues with the Phantom clutch and the practice of slipping it. | ||
| View original record | OY. BY. from R. HS. c. to Sg. Wor. c. to DA. E. Y8300 R5/M24.3.29. RE. PHANTOM CLUTCH. X.8300 X.4194 Mr. Olley's letter is a great surprise to us. We do not know of any such trouble in any part of the… | ||
| scan0118 | Customer's (Mrs. Taylor) complaint about a noise in car 37-WR, diagnosing it as a transmission oscillation. | ||
| View original record | X8300 To Hy. from Hs. Hs1/LG11.5.29. RE. 37-WR - MRS. TAYLOR. X4117 With reference to the attached correspondence in connection with the above. EP. has demonstrated the fault complained of on the… | ||
| scan0119 | Secret memo regarding the redesign of an EAU engine's exhaust system to accommodate a sequence starter motor. | ||
| View original record | X8305 To BY. from R. c. to HS. CJ. SECRET. R2/M29.11.24. E. A. C. X. 8770 X. 8305 X. 8230 Mr. Hives is very keen to get the fabric coupling on the EAU. engine as soon as possible. We have therefore in… | ||
| scan0120 | Modifications to the fabric engine coupling and epicyclic starter gear for the 'V' Series. | ||
| View original record | 18305 To By. from AJS. ~~S E C R E T~~ AJS1/M9.1.25. c. to R. CJ. Hs. E. A. C. FABRIC ENGINE COUPLING AND MODIFIED X.8310 X.8650 EPICYCLIC STARTER GEAR ON GEARBOX, ETC. X.8640 X.8305 'V' SERIES. We… | ||
| scan0121 | Gear design improvements, including teeth lengthening, shaft strength, and bearing choices. | ||
| View original record | -2- (a) Lengthening of teeth (for tooth strength) (b) More than halving the bending moment on sun shaft due to overhang of chain wheel (for shaft strength). (c) Considering that better material and… | ||
| scan0122 | The testing and standardisation of a new fabric coupling for the 40/50 HP car. | ||
| View original record | EXPERIMENTAL REPORT. Expl. No. 48305 REF: Hs2/LC19.3.25. To BJ. from Hs. SECRET. c. to EY. WOR. 40/50 HP. - FABRIC COUPLING. X8305 Referring to BJ6/H18.3.25. The fabric coupling which will be used on… | ||
| scan0123 | The failure of a fabric coupling on a 98-NK car. | ||
| View original record | R.R. 493A (50H) (D.B. 175 25-9-24) J.H.D. EXPERIMENTAL REPORT. Expl. No. X8305 REF Hs3/LG31.3.25. To R. from Hs. c. to CJ. BJ. c. to RG. E. c. to DA. AHS. c. to EY. Wor. S E C R E T. FAILURE OF FABRIC… | ||
| scan0124 | Secret memo discussing the failure of a transmission coupling and potential redesigns. | ||
| View original record | V8305 To R. from E. c. to CJ. HS. S E C R E T. E. A. C. FAILURE OF TRANSMISSION COUPLING. X. 8310 X. 8305 We received a telegram from Hs. announcing the above yesterday, and we sent AJS. off at once… | ||
| scan0125 | Secret report on the failure of a fabric coupling on car 98-NK after 10,000 miles, detailing the nature of the fractures and discussing design constraints for a replacement. | ||
| View original record | From AJS. [REDACTED] c. to H.R. [REDACTED] SECRET. Re Failure of Fabric Coupling on RAC.Car. 98-NK. The fabric taken from the coupling on this car after 10,000 miles shewed radial fractures extending… | ||
| scan0126 | Analysis of disc and reinforcing plate specifications and an investigation into a component failure. | ||
| View original record | -2- AJS1/DB.31.3.35. of about one tenth inch, giving an overall dimension of .700, but we have found from actual trial on a car that an overall thickness of disc and plates of .850 can be accomodated.… | ||
| scan0127 | Failures of 'Alpe' type disc couplings during dynamometer testing and a proposal for their strengthening. | ||
| View original record | -3- On the dynamometer test tackle where disc couplings of the "Alpe" variety (cords moulded in rubber) have been used, we understand failures were frequent until shouldered distance pieces between… | ||
| scan0128 | Secret memo regarding a new, stronger fabric engine coupling disc for 'EAC' and methods for making its ferrules. | ||
| View original record | TO [REDACTED] from AJS. c.c. to [REDACTED]. c. to Hs. 18305 SECRET. RE FABRIC ENGINE COUPLING FOR EAC. We are sending you herewith a blueprint of Lec.2050 (original going to BY) of a disc coupling of… | ||
| scan0129 | Technical note discussing design advantages and modifications for a disc assembly, including plates and gearbox housing clearance. | ||
| View original record | -2- AJS2/DB.1.3.25. considerably less. With the integral type of ferrule we consider it an advantage to have the solid plate next to the spider. This should be fool-proof in erecting the disc, as the… | ||
| scan0130 | Current status and options for resolving engine coupling and chassis groan issues. | ||
| View original record | [redacted] from AJS. [redacted] c. to Hs. 48305 AJS1/DB.3.4.25. ENGINE COUPLING. SECRET EAC & 40/50 CHASSIS GROANS. The general position of this job at the moment is as follows:- 1. To get an idea of… | ||
| scan0131 | Use of rubber blocks and the progress on a new design scheme. | ||
| View original record | -2- AJS1/DB.3.4.25. 6. Contd. in the same way, between which small rubber blocks would be pressed tightly, the blocks being in small units to allow for forcing home tightly. As the degree of… | ||
| scan0132 | Decoded telegram regarding chassis coupling and component testing issues. | ||
| View original record | Hs. for Da. ORIGINAL X8305 Telegram received from R. at Le Lavandou. 6.4.25. ************************************** XP805 (crossed out) X8430 As received:- "CONSULAT COUPLING MAKERS FOULING SUFFICIENT… | ||
| scan0133 | Strength issues and modifications for a gearbox fabric coupling. | ||
| View original record | To AJS. from R. c. to CJ. RG. c. to E. DA. c. to BY. Hs. V8305 R3/M15.4.25. RE. GEARBOX FABRIC COUPLING. X.8305 X.8310 I regret we did not in the first place find from the makers that the thin disc… | ||
| scan0134 | Failure of a fabric engine coupling, attributing it to sharp-edged reinforcing plates. | ||
| View original record | ORIGINAL X8305 TO AWAIT RETURN TO WW. TO R. FROM AJS. SECRET. AJS1/M17.4.25. Copy to - HS. HY. E. A. C. FABRIC ENGINE COUPLING. We are not sure whether we emphasised sufficiently that the one which… | ||
| scan0135 | Design for a new chassis with the gearbox attached directly to the engine. | ||
| View original record | X8305 To E. DA. AJS. } FROM R. SECRET. R6/M20.4.25. c. to CJ. BJ. RG. HS. E. A. C. FURTHER WORK. X.8770 X.8305 X.8310 I understand that our best chassis will be the one with the gearbox attached to… | ||
| scan0136 | Secret memo requesting comparative results for different sized fabric couplings on a load reversal test rig. | ||
| View original record | X. 8305 To Hs. from AJS. S E C R E T. AJS1/M22.4.25. E. A. C. ENGINE COUPLING. X. 8305 We should like to know what comparative results you have obtained from the different sized fabric coupling on the… | ||
| scan0137 | Despatch of two fabric couplings to Mr. Royce at West Wittering for inspection. | ||
| View original record | To BP. from Hs. c. to Stores. X8303 Hs/TMW1/LG24.4.25. We are sending into the Stores to be despatched to Mr. Royce at West Wittering :- 2 Fabric Couplings. These are for Mr. Royce's inspection. Will… | ||
| scan0138 | Telegram received by telephone regarding failed fabric couplings. | ||
| View original record | ROLLS-ROYCE LTD. RR 144A (50BKS.) ( SK 871 23-5-23) MP 272631 x8305 TELEGRAM RECEIVED BY TELEPHONE. Time Received 10-25 Date 24-4-25 To: Experimental Raynesway Derby G.56 By: WSA from: Chichester Send… | ||
| scan0139 | Multiple disc fabric engine coupling sent for comparison testing. | ||
| View original record | X8305 To BY. from AJS. c. to CJ. HS. SECRET. E. A. C. ENGINE COUPLING X. 8305 We send herewith LeC. 2054 shewing a multiple disc fabric coupling consisting of three discs, the total thickness of the… | ||
| scan0140 | CJ to Hs inquiring about the progress of trials in France regarding over-oiling and fabric coupling. | ||
| View original record | To Hs. from CJ. X8305 CJ1/E28/4/25 We are naturally very anxious to know how the trial in France is progressing in connection with over-oiling, fabric coupling etd. Do you receive daily reports? If… | ||
| scan0141 | Secret memorandum discussing the problem of fabric couplings for 40/50 and EAC models, including testing and alternatives. | ||
| View original record | To Hs. from R. c. to CJ. BY. S E C R E T. 48305 R1/M28.4.25. 40/50 AND EAC. FABRIC COUPLINGS. X. 8305 X. 3435 The coupling problem is not confined to EAC, but is a 40/50 proposition, and the reason… | ||
| scan0142 | Design, testing, and stress calculations for a fabric coupling. | ||
| View original record | Extract from RL/M29.4.25. (X.8770 X.2565) X8305 Coupling. X.8305 X.3435 I have mentioned elsewhere that this is not only an EAC. but equally a 40/50 problem. We calculate that if we can make a fabric… | ||
| scan0143 | Secret memorandum detailing design changes to a fabric engine coupling. | ||
| View original record | +8305 TO BV. FROM AJS. SECRET. AJS1/M29.4.25. Copy to EH. HS. E. A. C. FABRIC ENGINE COUPLING. +8305 We send herewith LeC. 2056. on which we shew a fabric engine coupling, the disc of which is .775… | ||
| scan0144 | Fabric coupling tests conducted on a joggling rig. | ||
| View original record | R.R. 493A (50m) (D.B. 175 25-9-24) J.H.D. EXPERIMENTAL REPORT. Expl. No. C8305 REF. Hs4/LG29.4.25. To R. from Hs. c. to CJ. BJ. c. to RG. E. c. to DA. BY. c. to Wor. AJS. S E C R E T. REPORT ON FABRIC… | ||
| scan0145 | Preliminary report on fabric coupling tests. | ||
| View original record | PRELIMINARY REPORT ON FABRIC COUPLING TESTS. NO. | TYPE | NO. OF REVERSALS | TIME RUN. HRS. MINS. | REMARKS 1 | Std. Hardy fabric with R.R. Plates to Drg. 73383. Disc .500" thick. | 61,780 | 1 48¾ |… | ||
| scan0146 | Schematic for a joggling rig designed for Hardy Fabrics, including component details and torque calculations. | ||
| View original record | JOGGLING RIG FOR HARDY FABRICS RIG RUN AT 285 R.P.M. DIAGRAMMATIC VIEW OF CONNECTING LINK ETC 3.25 CRANK THROW FLYWHEEL U.648 WEIGHT - 48LBS SECTIONAL VIEW THRO' PLUMMER BLOCKS TABLE GIVING TORQUE IN… | ||
| scan0147 | The 5,000-mile test of the 'EAC' fabric coupling, comparing its perfect condition to the previous version's failure. | ||
| View original record | To R. from Hs. c. to CJ. BJ. c. to RG. E. c. to DA. BY. c. to Wor. 48305 Hsl/LG4.5.25. 'EAC' FABRIC COUPLING. We have had a report that the latest fabric coupling fitted to 93-NK car has now completed… | ||
| scan0148 | From AJS to HS regarding the use of an 'Alpé' disc as an engine coupling on an experimental car. | ||
| View original record | TO HS. FROM AJS. While the writer was at the Works he was under the impression that an "Alpé" disc was fitted as an engine coupling to one of our E. A. C. experimental cars. I mentioned this to Mr.… | ||
| scan0149 | Test rig for a fabric coupling, including a reference to drawing LeC.2059. | ||
| View original record | TO EX. HS. FROM AJS. X8305 AJS1/M5.5.25. TEST RIG FOR FABRIC COUPLING. X8305 We send herewith drawing LeC.2059. shewing a simple form of testing mechanism for EAC. or other fabric coup- lings - (or… | ||
| scan0150 | The durability and lifespan of a fabric coupling after 15,000 miles. | ||
| View original record | R.R. 493A (50m) (D.B. 175 25-9-24) J.H.D. EXPERIMENTAL REPORT Expl. No. REF. HS4/LG4.6.25. Handwritten: Y8305 To R. from Hs. c. to CJ. BJ. c. to RG. E. c. to DA. BY. c. to Wor. EAC. 'V' SERIES. FABRIC… | ||
| scan0151 | Requesting information on fabric couplings for comparative testing and design purposes. | ||
| View original record | X8305 TO HS. FROM AJS. AJS1/M8. 6. 25. Copy to BY. re. FABRIC COUPLING FOR EAC. Referring to your report of above on 93-NK. - HS4/LG4.6.25. - will you please let us know which coupling it is that is… | ||
| scan0152 | The testing of a modified, thickened fabric coupling for EAC. | ||
| View original record | R.R. 493a (50m) (D.B. 175 25-9-24) J.H.D. EXPERIMENTAL REPORT. Expl. No. X8305 REF: Hs1/LG12. 6. 25. To AJS. from Hs. c. to BY. FABRIC COUPLING FOR EAC. X8305 X8940 The fabric coupling which has run… | ||
| scan0153 | Status of fabric couplings, confirming no immediate changes and outlining conditions for future testing. | ||
| View original record | X8305 Roy. c. Hs. BY8/H. 15.6.25. FABRIC COUPLINGS. There is no prospect of tests of sufficiently drastic and lengthy nature being carried out in the immediate future to justify any holding up of… | ||
| scan0154 | Design of an EAC. 7 engine coupling, using three fabric discs with hollow rivets. | ||
| View original record | TO BY. FROM AJS. C. to - CL. HS. 48305 AJS1/M20.7.25. EAC. 7. ENGINE COUPLING. We send herewith LeC. 2112. of the above, and the parts contiguous to same. In this coupling we have shewn 3 thin discs… | ||
| scan0155 | Complaint regarding loose bolts on the New Phantom's fabric couplings. | ||
| View original record | 78305 To Hs from RHC. RHC8/BE. 3.12.25. RE NEW PHANTOM FABRIC COUPLINGS With reference to the complaint from EP regarding the Fabric Coupling Bolts coming loose. This will not happen if the Coupling… | ||
| scan0156 | Instructions on dealing with slack bolts on New Phantom fabric couplings. | ||
| View original record | AX EP Hm By WOR / HS / RHC 18305 To Hs from RHC. RHC2/BE. 14.12.25. RE NEW PHANTOM FABRIC COUPLINGS Regarding the question of slack bolts on Fabric Couplings the methods to be employed in dealing with… | ||
| scan0157 | Instructions on the method for dealing with slack bolts on New Phantom fabric couplings. | ||
| View original record | To Mr. from Hs/HIC. c.j. to EP. c.j. to Hm. c.j. to BY. c.j. to Wor. 48305 Hs/HICL/LG14.12.25. RE. NEW PHANTOM FABRIC COUPLING. Regarding the question of slack bolts on fabric couplings, the methods… | ||
| scan0158 | Clarifying a modification to the Phantom I fabric engine coupling, noting a new design had already been issued. | ||
| View original record | X8305 [Text struck through in red ink: W.O. O.C. H.O. Dr.] Hs. RECEIVED SEP 30 1930 HC BY1/N.30.9.30. Phantom I - Fabric Engine Couplings. --------------------------------- Although I was inclined to… | ||
| scan0159 | Clarifying a modification to the Phantom 1 fabric engine coupling to prevent misunderstanding. | ||
| View original record | RECEIVED SEP 30 1930 X8305. Wor. C. Ha. Br. Hs. BY/G. 30.9.30. PHANTOM 1 - FABRIC ENGINE COUPLINGS. ------------------------------------------ Although I was inclined to think we had not modified the… | ||
| scan0160 | Parts list for the assembly of chassis 1. E.X. | ||
| View original record | x3322 Extract from RHCl/LG30.6.19. RE CHASSIS 1. E.X. The above chassis is now complete and it has been assembled as follows:- "G" SECTION. S.S. No. REMARKS. X.3322. Reverse Gear. G.6346 X.3462. Side… | ||
| scan0161 | Customer complaints and proposed solutions regarding the actuation of the reverse gear mechanism. | ||
| View original record | EV. from EP. c. to Hs. c. to Sft. X3322 EP/3/Hl6.3.22. Re. Trouble of Actuating Reverse Gear Mechanism. -------------------------- Although we have been able to obtain satisfactory consideration from… | ||
| scan0162 | Clarifying the development priorities between a new 4-speed gearbox, a four-wheel braking system, and various EAC car models. | ||
| View original record | To E. from CJ. Copy to R. Copy to Wer. Copy to Rg. Copy to Da. Copy to Hs. SECRET. x8340 CJ27/E22/1/24 x8770 It would appear that it has been thought that I have pressed for the production of EAC.II… | ||
| scan0163 | Secret memorandum discussing production priorities for EAC.IV and EAC.II components. | ||
| View original record | SECRET. CJ27/E22/1/24 - 2 - box with the large reduction servo contemplated under EAC.IV. Only such surplus energy as cannot be employed helpfully on the two items above referred to should be devoted… | ||
| scan0164 | Progress report on the design and completion status of projects EAC.2 and the new four-speed gearbox EAC.4. | ||
| View original record | To C.J. & R. from E. c. to Wor. RG. Hs. S E C R E T. E.A.C.2 and 4. E1/M25.1.24. (Handwritten annotations: X9370, X.9320, X.9770, XF370, X8770) In reply to CJ27/E22.1.24. would you kindly note that we… | ||
| scan0165 | Design work, progress, and resource allocation for engine, gearbox, and chassis components. | ||
| View original record | contd: -2- Under these circumstances we suggest that the only items on which extra help could be usefully employed are (3) and (4), andthese could be produced by E. and F. design sections… | ||
| scan0166 | Secret memo regarding the production of model EAC.II and a proposal to relocate the starter motor to the engine. | ||
| View original record | X9810 SECRET To E. & EFC. from R. c. CJ. BJ. RG. WOR. DA. HS. BY. EAC.II & IV. Owing to output considerations Mr. Johnson and I arranged that this model (EAC.II) should go forward for production as… | ||
| scan0167 | Secret memorandum discussing Mr. Stent's less costly design scheme for a Reverse Pinion 40/50. | ||
| View original record | XXXXXX X.3322. To E. from R. To ST. S E C R E T. R4/M14.4.24. c. to CJ. RG. DA. BY. HS. Lec.1862 - REVERSE PINION 40/50. XXXXXX This, scheme of Mr. Stent's is I think much less costly and quite… | ||
| scan0168 | Requesting a report on the cause and prevention of seizing reverse pinions on 40/50 HP models during testing. | ||
| View original record | [Handwritten at top:] X3322 [Crossed out text:] Mr. Matthews. c. Hs. c. Mr. Dy[illegible] [Handwritten:] EP3/H3.10.24. re. 40/50 HP. Reverse Pinion Seizing. [Handwritten underneath:] X3322 We have… | ||
| scan0169 | Standardisation report for the reverse pinion in the gearbox. | ||
| View original record | RR 755 (10H) (SL391 2-11-23) MP 281297 STANDARDISATION of CHASSIS PARTS. COMPLETED 17.10.24. Date 25.9.24. Description of Parts. REVERSE PINION IN GEARBOX. Origin. To enable gear to be ground at the… | ||
| scan0170 | Testing of a new gearbox and potential compatibility issues with a new engine and clutch. | ||
| View original record | SECRET. X8310 To Hs. from CJ. EAC.II. CJ1/E12/11/24 Referring to Hs2/LG11/11/24 concerning EAC.II fitted to 93-NK, we note that this car is fitted with the new gear box. It would of course be as well… | ||
| scan0171 | Secret memorandum about the differences and modifications for the EAC.11 gearbox. | ||
| View original record | Y8310 To CJ. from Hs. S E C R E T. Hs4/LG12.11.24. EAC.11. GEARBOX. Y8770 With reference to CJ1/E12.11.24. The difference between an EAC.11. gearbox and thr standard EAC.111. gearbox is that the… | ||
| scan0172 | Proposed modification to the steering gear-ratio of the 40/50 HP model to reduce driver effort and prevent wobble. | ||
| View original record | 78310 To Hs. PN4/DN25.11.24. X. 8310 X. 8430 I have pointed out to CJ. that the movement between the steering wheel and front road wheels of our 40/50 HP. should be relatively increased, i.e.,… | ||
| scan0173 | Secret memo regarding the performance and standardisation of a lower geared steering system. | ||
| View original record | x8310 To PN. from Hs. S E C R E T. Hs2/LG26.11.24. RE. STEERING. x8430 x8310 Referring to PN4/DN25.11.24. Slightly lower geared steering is instructed as standard for EAC.11. The car which you tried… | ||
| scan0174 | The recurring issue of the 40/50 HP gear box reverse pinion seizing up. | ||
| View original record | Y3322 [REDACTED] for [REDACTED]. c. Hs. EP8/H30.12.24. re. 40/50 HP. Gear Box Reverse Pinion Seizing up. We have experienced a further case of a reverse pinion seizing up on chassis No. 53-EU, when… | ||
| scan0175 | Remedy for the 40/50 HP chassis reverse pinion seizing up by introducing a floating bush. | ||
| View original record | Y3322 Mr. c.Her/ort. c.Hs. BY5/H. 31.12.24. 40/50 HP. CHASSIS. REVERSE PINION SEIZING UP. I think the best remedy for the trouble in question is a floating bush. We have got a Standardization Sheet… | ||
| scan0176 | Cause of a reverse pinion seizing up on a 40/50 HP chassis. | ||
| View original record | X3322 RR. (crossed out) S. By (crossed out) c. Hs. SFT8/EMM.1.1.25. 40/50 H.P.CHASSIS REVERSE PINION SEIZING UP. X3322 Memos reference EP8/H.30.12.24., and BY5/H.31.12.24. With regard to the reverse… | ||
| scan0177 | Modifications to the fabric engine coupling and epicyclic starter gear for the 'V' Series. | ||
| View original record | To By. from AJS. c. to R. CJ. Hs. S E C R E T. 48310 AJS1/M9.1.25. E. A. C. FABRIC ENGINE COUPLING AND MODIFIED X.8310 X.8650 EPICYCLIC STARTER GEAR ON GEARBOX, ETC. X.8640 X.8305 'V' SERIES. We send… | ||
| scan0178 | Modifications to a gear, shaft, and bearing assembly for increased strength and load capacity. | ||
| View original record | -2- (a) Lengthening of teeth (for tooth strength) (b) More than halving the bending moment on sun shaft due to overhang of chain wheel (for shaft strength). (c) Considering that better material and… | ||
| scan0179 | Secret memo regarding a complaint about 'chatter marks' on a 'V' Series Gearbox shaft. | ||
| View original record | X. 8310 To Hs. from AJS. S E C R E T. AJS2/M19.1.25. c. to R. E. A. C. RE. 'V' SERIES GEARBOX. X. 8310 This Department (G - WW.) has just heard that when you were here last a complaint was made that… | ||
| scan0180 | Complaints about the sticky change speed lever on the 'V' series gearbox. | ||
| View original record | To R. from Hs. c. to CJ. BJ. c. to AJS. E. c. to DA. BY. c. to WOF. 48310 S E C R E T. Hs3/LG21.1.25. 'V' SERIES GEARBOX WITH SUBFRAME. 48380 We have had several complaints of the floating change… | ||
| scan0181 | Secret memo on resolving issues with the 40/50 gearbox by supplying a torsionally free pinion. | ||
| View original record | 48310 To R. from AJS. S E C R E T. AJS2/M2. 3. 25. c. to CJ. BJ. c. to HS. E. c. to DA. BY. c. to Wor. 40/50 GEARBOX. X.3426 X.8310 In view of :- (1) The trouble experienced with India 1st. and 2nd.… | ||
| scan0182 | Secret memorandum discussing the failure of a transmission coupling and considering potential design solutions. | ||
| View original record | To R. from E. c.c. to CJ. HS. S E C R E T. X8310 E2/M31.3.25. E. A. C. FAILURE OF TRANSMISSION COUPLING. X. 8310 X. 8305 We received a telegram from Hs. announcing the above yesterday, and we sent… | ||
| scan0183 | Design modifications and strength improvements for a gearbox fabric coupling. | ||
| View original record | To AJS. from R. c. to CJ. RG. c. to E. DA. c. to BY. Hs. Handwritten: X8310 R3/M15.4.25. RE. GEARBOX FABRIC COUPLING. X. 8305 X. 8310 I regret we did not in the first place find from the makers that… | ||
| scan0184 | Design considerations for gearboxes, specifically regarding sliding pinions, splines, and shafts. | ||
| View original record | +8310 AJS. } E. } FROM R. Hs. } c. to CJ. RG. c. to DA. BY. GEARBOXES. A.5310 X.8310 My telegram of a few days ago required some further comments to make it thoroughly clear. It seems that we shall… | ||
| scan0185 | Secret memo discussing further work on a new chassis design, with the gearbox attached directly to the engine. | ||
| View original record | X8310 To E. DA. AJS. FROM R. SECRET. R6/M20.4.25. c. to CJ. BJ. RG. HS. E. A. C. FURTHER WORK. X.8770 X.8305 X.8310 I understand that our best chassis will be the one with the gearbox attached to the… | ||
| scan0186 | Sticking gear lever on the 'W' Series gearbox and potential modifications. | ||
| View original record | To Hs. from AJS. c. to BY. X8310 AJS1/M6.6.25. 'W' SERIES WITH STEEL BODY FRAME X.9770 X8380 [struck through] (S-PK) - GEARBOX. X.8310 Mr. Royce points out that in trying this car a few days ago the… | ||
| scan0187 | The 9-PK mock-up chassis and its original gearbox. | ||
| View original record | R.R. 493A (50m) (D.B. 175 25-9-24) J.H.D. EXPERIMENTAL REPORT. Expl. No. 48310 REF Hs1/LG8.6.25. To AJS. from Hs. c. to BY. 9-PK - 'W' SERIES, WITH SUBFRAME. 49770 9-PK car was rushed together as a… | ||
| scan0188 | Modifications to the body-frame chassis gearbox and change lever shaft. | ||
| View original record | TO E.V. FROM AJS. X8310 AJS2/M8.6.25. Copy to - C.J. HS. re. EAC. BODY-FRAME CHASSIS GEARBOX. In reference to Mr. Royce's memo. of even date - R1/MS.6.25. - concerning change lever shaft for above, we… | ||
| scan0189 | Modifications to springs, levers, frames, and gearboxes, and answering questions on production status. | ||
| View original record | X8310 CJ. from Wor. R. from Wor. c. to BJ. BY. Hs. PRIVATE. Wor4/M10.6.25. X.8770 X.8380 X.5770 X.5380 X.8310 With reference to your CJ1/D4.6.25., the first question is 25% stronger springs than… | ||
| scan0190 | Timeline for introducing new parts like side levers and gearcases following a 10,000-mile trial. | ||
| View original record | contd :- -2- (A) After Mr. Royce and the Expl: Dept: are satisfied, when the 10,000 miles is completed and the standardisation sheet signed, that these alterations are suitable for manufacture, Works… | ||
| scan0191 | Comparing water boiling experiments between the New Phantom and Silver Ghost models, and radiator design. | ||
| View original record | To CJ. from R. c. to Wor. Hs. BY. c. to EP. PN. 48310 R3/M20.6.25. WATER BOILING+ X. 766 *X. 8250 X. 8310 Regarding water boiling Hs. definitely proves from experiments in France and Derby that the… | ||
| scan0192 | Improvements to a chassis, focusing on the strength of the front springs and front wheel brakes. | ||
| View original record | +8310 To CJ. from R c. to BJ. Wor.. c. to BY. Hs. c. to FN. S E C R E T. R4/M20.6.25. I N D I A. X.5770 X.8310 X.5410 Hs. was here on Friday the 19th.inst. with India. This is a chassis which has been… | ||
| scan0193 | Gearbox modifications concerning the torsionally free double pinion, splines, and gear teeth. | ||
| View original record | contd :- -2- fusion about the spares. The best squeak damper was also fitted good and simple: (3) Regarding the gearbox it has now been demonstrated that the torsionally free double pinion combined… | ||
| scan0194 | Clearances for a gate, interlock, and sliding gear mechanism. | ||
| View original record | contd :- -3- in the engaged and out of gear position, and that the gate and interlock should have ample clearance, which I believe could be from 25 to 50 thous. It has been a great mistake in this… | ||
| scan0195 | Modifications to the 'W' series 40/50 gearbox, specifically regarding a new sliding change lever shaft unit. | ||
| View original record | TO RV FROM AJS. Y8310 AJS1/M29.6.25. Copy to HS. EAC. 7. GEARBOX. We send herewith drawing LeC. 2092., shewing modifications to 'W' series 40/50 gearbox, for producing above. The features shewn on… | ||
| scan0196 | Alterations to the 'W' series gearbox based on drawing LeC. 2095. | ||
| View original record | FROM AJS. 48310 AJS1/M1.7.25. Copy to - HS. EAC. 7. GEARBOX. We send herewith drawing LeC. 2095., which is an alteration to the 'W' series gearbox for converting these for use on the above chassis.… | ||
| scan0197 | Sending a 9-PK car chassis to Hoopers after a gearbox correction. | ||
| View original record | To DA/EV. from Hs. c. to C. x 8310 Hs5/LG2. 7. 25. 9-PK CAR. x6770 We have sent this chassis to Hoopers today. Since it has been at the Works we have corrected the gearbox so that the change speed… | ||
| scan0198 | Modification to a W. series 40/50 gearbox for the EAC. 7 front suspension scheme. | ||
| View original record | TO [REDACTED] FROM AJS. L8310 AJS2/M2.7.25. Copy to - [REDACTED] HS. EAC. 7. GEARBOX. We send you herewith LeC. 2096., shewing modification to front of W. series 40/50 gearbox to produce the front… | ||
| scan0199 | Alterations to a W. series 40/50 gearbox to create a rear suspension scheme. | ||
| View original record | TO BA. FROM AJS. Copy to - HS. V 8310 AJS1/M2.7.25. EAC. 7. GEARBOX. We send herewith drawing LeC. 2093., shewing alterations and additions to W. series 40/50 gearbox to produce rear suspension scheme… | ||
| scan0200 | Modification to the rear end of the 2nd motion shaft on the 40/50 'W' series gearbox. | ||
| View original record | TO B.W. FROM AJS. XF310 AJ81/M3.7.25. Copy to - HS. EAC. 7. GEARBOX. We send herewith drawing LeC.2098, shewing the modification to the rear end of the 2nd. motion shaft on the 40/50 'W' series… | ||
| scan0201 | Halving the centralising spring load for the change speed lever and modifying the design of locating plungers. | ||
| View original record | S. R. 216a (100 T) (S. H. 159. 11-8-20) G. 2500 18310 TO HS. FROM AJS. COPY TO BY. 7.EX. GEARBOX. With reference to the change speed lever on the above chassis, which Mr. Royce had here during last… | ||
| scan0202 | Changes to the gearbox change lever and gate mechanism for chassis LEC.2109. | ||
| View original record | X. 8310 To BY. from AJS. AJS4/M9.7.25. EAC.7. GEARBOX X. 8310 We send you herewith change lever and gate mechanism for the above chassis - LEC.2109. The scheme generally is similar to India but the… | ||
| scan0203 | Improvements for a gearbox, specifically silent direct drive engagement and a roller spigot bearing. | ||
| View original record | TO --. FROM AJS. X8310 AJS5/M14.7.25. C. to --. HS. EAC. 7. - IMPROVED SILENT DIRECT DRIVE ENGAGEMENT & ROLLER SPIGOT BEARING. We send herewith LeC. 2111. shewing the above, to be incorporated in… | ||
| scan0204 | Design of the gearbox change speed mechanism, specifically the plunger and slider, to prevent 'catchiness'. | ||
| View original record | 78310 TO BY. FROM AJS. Copy to - HS. AJS4/M14.7.25. 7.EX. GEARBOX. Replying to your BY6/H10725., the feature of having the spherical portion standing above the slider a definite amount, was originated… | ||
| scan0205 | Modifications to the 'W' series 40/50 gearbox and the servo worm shaft bearing housing. | ||
| View original record | TO [strikethrough]BY.[/strikethrough] FROM AJS. Copy to - HS. RN8310AL AJS1/M14.7.25. EAC.7. GEARBOX. 42310 We send you herewith LeC.2110., shewing new positions of cover studs necessitated by… | ||
| scan0206 | Cancelled design for a gearbox oil filler and seeking information about a proposed oil level cock. | ||
| View original record | S.H. 885A (100 T) (S.H. 159, 11-8-20) G. 2800 48310 TO HS. FROM AJS. AJS2/M14.7.25. Copy to ______ BY ______ EAC. 7. GEARBOX. 48310 You will see on our drawing LeC.2110., that we had schemed an oil… | ||
| scan0207 | Proposed modifications to a speedometer drive casing and a change speed lever bracket, referencing blueprint G.51708. | ||
| View original record | R.R. 254A (100 T) (S.H. 159, 11-8-20) G. 2800 ORNX8310L TO HS. FROM AJS. SECRET. AJS3/M14.7.25. Copy to - BY INDIA. X5310 We return herewith your blue print of G.51708., on which you had indicated the… | ||
| scan0208 | Explaining why the oil level cock was abandoned on the 40/50 gearbox. | ||
| View original record | X8310 AJS. c. Hs BY/C6/H. 18.7.25. E.A.C.7.GEAR BOX. In reply to AJS2/M. 14.7.25. the oil level cock which was at one time fitted on the 40/50 gear box was abandoned when the self starter gear was… | ||
| scan0209 | Issues with control ball joints coming loose and proposed modifications to drawings and tolerances. | ||
| View original record | To BY. from E. c. to CJ. Hs. 48310 E1/MS. 8.25. CONTROL BALL JOINTS. X.8240 X.8310 X.8320 Regarding the trouble that has been experienced with control balls coming loose in levers, Mr. Royce is of the… | ||
| scan0210 | Issue with the 'Phantom' gearbox where pinions work out under power. | ||
| View original record | H.R. 493a (50 H) (D.D. 31. 12-6-25) J.H.D. EXPERIMENTAL REPORT. Expl. No: 48310 REF: HS5/LG9.10.25. To R. from Hs. c. to CJ. BJ. c. to RG. E. c. to DA. BY. c. to Wor. 'PHANTOM' GEARBOX. We have found… | ||
| scan0211 | Modifications to the New Phantom chassis and their objectives. | ||
| View original record | To BY. } FROM R. To Hs. } c. to CJ. +8310 R2/M15.10.25. NEW PHANTOM MODIFICATIONS. X. 8770 [struck through] X. 8980 [struck through] +8500 X. 8310 EV. is arranging modifications to the New Phantom… | ||
| scan0212 | Decision to use a 4-speed gearbox over a 3-speed, citing buyer preference and overcoming previous objections. | ||
| View original record | To CJ. from R. +8310 R4/M19.10.25. My dear CJ. (Hs. for your information. CJ.) EXPERIMENTAL WORK. X. 8310 X. 5310 X. 8920 Referring to your CJ7/E16.10.25., and the mention of a 3-speed gearbox, we had… | ||
| scan0213 | Fitting of large pitch continuous gears into a new Phantom gearbox to test for humming. | ||
| View original record | X 8310 RHC. Hs. BY1/H. 23.10.25. NEW PHANTOM GEAR BOX, CONTINUOUS GEARS. Having got the large pitch gears produced, it is well worth while fitting these gears into a gear box in order to ascertain… | ||
| scan0214 | Modifications to a gearbox and a spring to correct a 'shooting out' gear issue. | ||
| View original record | X8310 To Hs from RHC. C PY RHC11/BE. 28.10.25. RE EAC GEAR BOX With reference to the New Gear Boxes with the Improved Change Speed Lever mounted on Gear Box. These boxes are fitted with torsionally… | ||
| scan0215 | Frame stiffness, a proposed tie-rod test, and the merits of a separate gearbox design on the 40/50 HP chassis. | ||
| View original record | To Hs. from R. c. to CJ. DA. BY. 48310 R7/M18.11.25. X. 8380 X. 8310 X. 5310 I have asked DA. to arrange for you to test a tie-rod of increased dia. We are not sure that the tie-rod permanently… | ||
| scan0216 | Standardisation of 1st and 2nd speed pinions to be made torsionally free to prevent gears working out. | ||
| View original record | RR 755 (10H) (SL391 2-11-23) MP 281297 48310 COMPLETED 25.1.26 STANDARDISATION of CHASSIS PARTS. Date 10.12.25 Description of Parts. 1st. and 2nd. Speed Pinions to be made torsionally free. Origin. To… | ||
| scan0217 | Gearbox issues on the 'New Phantom' model in tropical conditions. | ||
| View original record | Hs. re. "New Phantom" Gear Box. I give below an extract of a report I have received from one of the members of my staff, Mr. Goose, who you will remember has been for some years one of our… | ||
| scan0218 | Implementation of new side levers and torsionally free gears on the New Phantom and B.2 chassis. | ||
| View original record | X8310 Hs. BY5/H. 23.2.26. NEW SIDE LEVERS & TORSIONALLY FREE GEARS. NEW PHANTOM. I thought we were issuing these for the present Series of B.2. 100 chassis. Since this sheet was standardized the… | ||
| scan0219 | Provision for friction in the new Phantom link and balance gear. | ||
| View original record | To BY. from Hs. X8310 Hs4/LGM.3.26. PROVISION FOR FRICTION IN NEW PHANTOM LINK AND BALANCE GEAR. X8310 Y3770 With reference to BY3/H1.3.26. N.sch.1860 was never adopted because it did not allow us to… | ||
| scan0220 | Provision of friction in the New Phantom swing link and balance gear. | ||
| View original record | URGENT. U.W Hs. 48310 BY3/H. 1.3.26. RE PROVISION OF FRICTION IN NEW PHANTOM SWING LINK AND BALANCE GEAR. RR. of A, Inc. have written us as follows:- "We have seen a copy of a patent of Mr.Royce's,… | ||
| scan0221 | Noise from gear boxes, known as 'Bricks or Nuts'. | ||
| View original record | SY. Wcr. for SFT. Mx. Hs. X8310 EP11/H19.3.26. re. Noise from Gear Box, known as "Bricks or Nuts in the Gear Box" I am afraid that we are still having quite a number of gear boxes on chassis on test… | ||
| scan0222 | Investigation into gear box noises, described as 'bricks in the gear box', believed to be located in the ball bearing. | ||
| View original record | 48310 Mr. FGT/SFC. MY Hs. BY 10/H. 23.3.26. GEAR BOX NOISES. Referring to EP11/H.19.3.26. the position in regard to the noise referred to as "bricks in the gear box" is, that we are fairly satisfied… | ||
| scan0223 | Development of a lighter clutch and gearbox for the Phantom model, and comparing with the Silver Ghost. | ||
| View original record | To R. from AJS. c. to BJ. Wor. RG. c. to DA. E. Hs. BY. X8310 AJS1/M1.7.4.26. PHANTOM. X. 8300 X. 8310 In reply to the query in memo. R1/M11.4.26. concerning a lighter clutch and flywheel we would say… | ||
| scan0224 | Modifications to a gearbox due to an oversight concerning torsionally free pinions. | ||
| View original record | X8310 HS. C. PHQ BY20/H. 29.4.26. GEAR BOX. Referring to Standardization Sheets X.8310, First and Second Speed Torsionally Free Pinion, and X.8320, Change Gear mechanism suitable for spring locking of… | ||
| scan0225 | Table of 40/50 HP chassis gear ratios, speeds, and engine revolutions. | ||
| View original record | X8310 1.5.26. 40/50 HP. CHASSIS GEAR RATIOS, ETC. The three back axle ratios are now :- 14/52 15/52 16/52 giving ratios of :- 1 : 3.714 1 : 3.467 1 : 3.250 Taking the most normal ratio 15/52, the… | ||
| scan0226 | Phantom back axle ratio, comparing 14 and 15 tooth axles for different markets. | ||
| View original record | To H.S. from R. Copy to -B.J. " -Wor. " - BY. X8310 R8/M10.6.26. X8310 -X.4299. X8350 PHANTOM BACK AXLE RATIO With reference to the Phantom back axle ratio, rather strangely the car I had in the south… | ||
| scan0227 | Provision of high gear ratios for 40/50 HP and 20 HP cars. | ||
| View original record | To BY. Hs. from DA. X8310 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. cars.… | ||
| scan0228 | Mr. Royce inquiring about the standardisation of a toothed clutch for the Phantom Gearbox. | ||
| View original record | TO HS. FROM AJS. Copy to - BY. V8310 AJS1/M13.12.26. PHANTOM GEARBOX. A considerable time ago we instructed the direct drive dog clutch to be replaced by a toothed one. Mr. Royce is again asking… | ||
| scan0229 | With a diagram regarding modifications to the plunger notches on the Phantom Gearbox. | ||
| View original record | TO BY FROM AJS. Copy to - HS. X8310 AJS1/M14.12.26 PHANTOM GEARBOX. We have from time to time decreased the depth of the notches for plungers, in the slider guides on this gearbox. Now that the… | ||
| scan0230 | Testing and re-instruction of a toothed direct drive motion shaft for Phantom Gear Boxes. | ||
| View original record | AJS from HS TO HS FROM RHC. c to By L2310 X7310 RHC6/BE. 16.12.26. PHANTOM GEAR BOX AJS/M/B 1226 X7310 With reference to the attached. The toothed direct drive motion shaft for Phantom was originally… | ||
| scan0231 | The internal and external toothed direct drive for the Phantom Gearbox. | ||
| View original record | TO R. FROM AJS. C. to - HS. BY. X8310 AJS1/M20.12.26. PHANTOM GEARBOX. The internal and external toothed direct drive in place of the dog clutch, which was referred to by yourself recently, is, Derby… | ||
| scan0232 | Standardisation of chassis parts for an improved silent direct drive engagement and roller spigot bearing. | ||
| View original record | RR 755 REVISED (10H) (DE 444 6-10-26) BM. X. 8310 COMPLETED 11.2.27 STANDARDISATION of CHASSIS PARTS. Date 19.1.27 Description of Parts. IMPROVED SILENT DIRECT DRIVE ENGAGEMENT & ROLLER SPIGOT… | ||
| scan0233 | Improved silent direct drive engagement and roller spigot bearing. | ||
| View original record | STANDARDISATION of CHASSIS PARTS Improved Silent Direct Drive Engagement and Roller Spigot Bearing - X. 8310 The number of first chassis on which the new part will be fitted . . . . . . . . D2.… | ||
| scan0234 | Standardising the gearbox oil level and the procedure for checking it to minimise leaks. | ||
| View original record | To Hm. from Hs/Rm. X8310 Hs/Rm5/LG16.2.27. GEARBOX. X8310 X5310 With reference to the oil level in the gearbox. In the hot weather in France we found it necessary to run with the oil level in the… | ||
| scan0235 | Technical memorandum discussing the design and specifications of hypoid gears, including off-set dimensions and gear ratios. | ||
| View original record | To BY. from DA. c. to BJ. Hs. +8310 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" off-set hypoids. We… | ||
| scan0236 | Issues with speedometer drive squares twisting off due to the load from the mechanically driven screen wiper. | ||
| View original record | To BY. from E. c. to Hs. X8310 E2/M14.5.27. RE. SPEEDOMETER DRIVE. X.8310 X.4308 X.1087 We understand from Mr. Evernden that trouble is being experienced with the speedometer drive squares twisting… | ||
| scan0237 | Performance of speed indicators and the design preferences for instrument dials. | ||
| View original record | To BJ. HS. } From R. c. Wor. EFC. EY. V8310 R3/M19.8.27. RE SPEED INDICATORS. X.8310. X.4662. X.4308 The Watford speed indicator was examined during Mr. North's visit to WW. on the 17th inst., and it… | ||
| scan0238 | Modifications to the speedometer drive for Phantom and India models. | ||
| View original record | To BY. from DA. c. to BJ. Hs. +8310 DA1/M23. 8.27. PHANTOM & INDIA. SPEEDOMETER DRIVE. X.8310 X.5310 With reference to our recent correspondence on the question of increasing the size of the square on… | ||
| scan0239 | Proposing new gear ratios for a sports car to improve performance. | ||
| View original record | S/W. Hs. Copy to:- BJ. Sg. SECRET Y8310 CWB8/GM/22-9-27. SPORTS CAR. I have been considering the question of the gear ratios of this car and it would seem, that to obtain the very best performance, a… | ||
| scan0240 | Adaptation of an improved clutch to an engine with a new crankcase. | ||
| View original record | BY. from DA. c. to BJ. Hs. X 8310 DA6/M22.10.27. EAC.14. CLUTCH. X. 8310 X. 8300 X. 8301 Herewith we send N.sch.2489 shewing the improved clutch adapted to the engine with a new crankcase. It is… | ||
| scan0241 | Clarifying the gear lever length and position for 40/50 HP 'C' steering Phantoms. | ||
| View original record | W/S. [strikethrough] c. EP. [strikethrough] c. Hs. [strikethrough] c. C. [strikethrough] c. Sg. [strikethrough] c. TN. [strikethrough] X8310 BY/Cghl/G.1.12.27. re 40/50 HP. GEAR LEVER 'C' STEERING.… | ||
| scan0242 | Questioning the unrecorded change in position of the 'C' type gear lever relative to the dash. | ||
| View original record | Hs. X8310 S/H. By. Copies to:- XP. Hs. C. Sg. FN. CMB9/GM/2.12.27. 40/50 H.P. GEAR LEVER 'C' STEERING. Your memo By/Cgh/1/GL.12.27 received. The information given in this memo merely confirms that… | ||
| scan0243 | Issues with the New Phantom's sliding gear control, specifically the weak centralizing force of the gear lever. | ||
| View original record | S/W. EP. Copy to:- Hs. By. PN. Hs. X8310 CWB3/GM/6.12.27. NEW PHANTOM. SLIDING GEAR CONTROL. We have now had some considerable experience of the new gear control mechanism of the new Phantom. There is… | ||
| scan0244 | Standardization history of the 40/50 HP gear lever and 'C' type steering. | ||
| View original record | W/S. (CWB) X8310 c. EP. c. HS. c. G. c. Sg. c. PN. BY9/G.6.12.27. 40/50 HP. GEAR LEVER 'C' STEERING. With reference to CWB9/GM.2.12.27. the present side lever mechanism is in accordance with Mr.… | ||
| scan0245 | Requesting the speedometer drive ratio for an EAC.10 gearbox, with handwritten ratio calculations. | ||
| View original record | Please File To BY/SS. from Hs/Rm. X8310 Hs/Rm3/LG7.12.27. We understand that the speedometer drive ratio in EAC.10 gearbox is different to the present standard. We should be obliged if you will let us… | ||
| scan0246 | Modified scheme for the New Phantom sliding gear control submitted to the Experimental Department for testing. | ||
| View original record | CWB. [crossed out] C. Wor. [crossed out] C. RP [crossed out] c. HS. X8310 BY14/G.8.12.27. NEW PHANTOM SLIDING GEAR CONTROL. ----------------------------- CWB3/GM.6.12.27. This matter was drawn to my… | ||
| scan0247 | Requesting an update on the status of the New Phantom Sliding Gear Control job. | ||
| View original record | Hs. X8310 EP/Thn6/H13.12.27. NEW PHANTOM SLIDING GEAR CONTROL. With reference to CWB3/GM/6.12.27. re above and BY's reply BY14/G.8.12.27. can you please reply direct to CWB. and let him know the exact… | ||
| scan0248 | Proposal to reduce the speedometer drive speed by 30%. | ||
| View original record | To BY. from Hs./RM. L 8310 +4308 DA. asked us whether there would be any objection to his design reducing the speed of the speedometer drive by 30%. We took the matter up with the makers of the A.T.… | ||
| scan0249 | Note on the practice of removing gearboxes from the 20 HP chassis without removing the engine. | ||
| View original record | To DA. from Hs. X8310 Hs2/LG23.1.28. EAC.10. X5310 Replying to DA1/M11.1.28. Below is a note from Mr. Maddocks, Production Test Dept. as regards accessibility of gearboxes :- "It is our practice with… | ||
| scan0250 | Specifying the speedometer calibration for the 12-EX chassis. | ||
| View original record | X8310 EFC. 22.3.28. SPEEDOMETER FOR 12-EX. X4308 X8310 The speedometer drive gearing on this particular chassis gives 736.6 speedometer drive R.P.M. at 60 m.p.h. i.e. on your test rig running at 600… | ||
| scan0251 | Letter expressing surprise about the need for new reduction gears for 40/50 HP speedometers. | ||
| View original record | Y8310 S/W. (Copy to Sn) " " EFC} Se7/W/18.7.28. Re: 40/50 HP. Speedometers. We are in receipt of your EY/Wtn2/K11.7.28. We certainly are surprised to hear that to fit smaller type dials it is… | ||
| scan0252 | Modifications to accommodate a new type of speedometer for the 40/50 HP model. | ||
| View original record | X8310 W/S C. Sn. C. ROY. C. EFC. BY/Mtn5/K. 19. 7. 28. -------------------- RE 40/50 HP SPEEDOMETERS. -------------------- Referring to your memo Sg7/M/18.7.28., we wish to point out that in our memo… | ||
| scan0253 | Rattle from the engine gears on the Phantom chassis and a proposed solution. | ||
| View original record | Hs from Mx. X8310 Mx8/T27.7.28 PHANTOM CHASSIS We have been experiencing a lot of trouble with a rattle from the engine gears. This rattle is not apparent under load, but is very noticeable if the… | ||
| scan0254 | Standardisation of a small dial speedometer for the 40/50 model, incorporating a new temperature compensating device. | ||
| View original record | RR 755 REVISED (10H) (D.C. 777-29-2-28) MS C. Lᵈ X 8310 / COMPLETED 28.9.28 STANDARDISATION of CHASSIS PARTS. Date 3.9.28. Description of Parts. SPEEDOMETER, SMALL DIAL FOR THE 40/50. SAME DIMENSIONS… | ||
| scan0255 | Implementation of a new part on a chassis, including test date and costs. | ||
| View original record | 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 any. £9 Cost of jigs and tools. £3 RECEIVED… | ||
| scan0256 | Options for improving vehicle acceleration, including supercharging, 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. CWB. C. c. to Mr. Claremont. +8310 RL/M7.11.28. ACCELERATIONS. X.1725 X.7771 X.7310 X.8310 X.4550 We think for traffic work a… | ||
| scan0257 | Proposal for a 4-speed gearbox system using an epicyclic unit to achieve a silent 3rd gear. | ||
| 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 double top speeds… | ||
| scan0258 | Customer complaint regarding a noise from the transmission, concluding it's a trivial design issue and recommending a visit to explain it. | ||
| View original record | To Hy. from Hs. X.8310 Hsl/LG11. 5. 29. RE. 37-WR - MRS. TAYLOR. X8310 X417 X8300 With reference to the attached correspondence in connection with the above. EP. has demonstrated the fault complained… | ||
| scan0259 | Scheme for a silent 3rd speed gearbox for a Phantom, using a single and double helical arrangement. | ||
| View original record | By. from DA. C. to Sg. HS. X8310 DA2/M12.6.29. GEARBOX WITH SILENT 3rd SPEED. X8310 X7310 X4510 We send herewith N. scheme 2907. shewing the arrangement of a single and double helical 3rd. speed in a… | ||
| scan0260 | Test report on a Phantom 1 gearbox with a continuous helical 3rd speed. | ||
| View original record | X8310 To R. From Hs. c. to Gg. Wor. c. to E. Da. c. to Hy. Hs.3/MJ.5.12.29. PHANTOM 1 GEARBOX WITH CONTINUOUS HELICAL 3RD. SPEED. X8310 X8770 We have tested Phantom 1 with the gearbox which is fitted… | ||
| scan0261 | Abandoning side notches in the gear change quadrant for the Northcliffe scheme. | ||
| View original record | To By. from BJ. BJ2/H13.8.24. X8320 HB SECRET. QUADRANT. We understand that R. is considering abandoning the side notches in the quadrant of the gear change, and adopting the Northcliffe scheme for… | ||
| scan0262 | The Northcliffe chassis being dismantled as its parts are being used for engine experiments. | ||
| View original record | To BJ. from Hs. [Handwritten]: x8520 Hs3/LG15.8.24. CHANGE GEAR MECHANISM - BJ2/H13.8.24. [Handwritten]: x 8520 x388 The Northcliffe chassis which has a Gearbox of the type you describe, is at present… | ||
| scan0263 | Simplified striking mechanism design. | ||
| View original record | Y8320 To BY. from A.J.Stent. c. to CJ. hs. S E C R E T. ST1/M15.3.24. E.A.C.2. SIMPLIFIED STRIKING MECHANISM. X.8320. We send herewith LeC.1907 shewing a simplified scheme to take the place of the… | ||
| scan0264 | Secret memo describing the locating plungers for a simplified striking mechanism. | ||
| View original record | X. 8320 To BY. from A.J. Stent. S E C R E T. ST2/M15.8.24. c. to CJ. HS. E. A. C. 2. LOCATING PLUNGERS FOR THE SIMPLIFIED STRIKING MECHANISM. | ||
| scan0265 | Secret memo regarding drawing N.sch.1832, showing driving seat positions and modifications to the scuttle. | ||
| View original record | To BY. from DA. c. to CJ. LHS½ HS. 18320 S E C R E T. DA1/M16. 8. 24. EAC.11. DRIVING SEAT POSITION. X.9340 X8830 X.9320 X8370 We send herewith N.sch.1832., shewing the driving seat positions, and the… | ||
| scan0266 | Secret memo from A.J. Stent detailing modifications to gearbox sliders for a chassis. | ||
| View original record | X. 8320 To. BY. from A.J.Stent. c. to CJ. HS. S E C R E T. ST1/M16.8.24. EAC.11. MODIFIED GEARBOX SLIDERS. X. 8320 We send herewith LeC.1909 shewing modifications to the gearbox sliders for the above… | ||
| scan0267 | Requesting a test date for the E.A.C.II gearbox design before proceeding further with development. | ||
| View original record | To Hs. from BJ. BJ1/H20.8.24. CHANGE GEAR MECHANISM. With reference to Hs3/LG15.8.24, as I am leaving for my holidays at the end of this month, and as the design for the E.A.C.II gearbox is being… | ||
| scan0268 | Arranging the delivery of a car fitted with a specific change gear mechanism to London. | ||
| View original record | To B.J. from Hs. X8320 Hs9/LG21.8.24. CHANGE GEAR MECHANISM. We will arrange to send the car fitted with the Change Gear Mechanism similar to what it is proposed to use on EAC.11., to London at the… | ||
| scan0269 | Short internal memo regarding an arrangement for the change gear mechanism. | ||
| View original record | Y8320 To Hs. from BJ. BJ13/H22.8.24. CHANGE GEAR MECHANISM. Hs9/LG21.8.24. The arrangement suggested by you will be satisfactory. B.J. | ||
| scan0270 | Secret memo arranging for a car with a proposed new gear mechanism to be sent for evaluation. | ||
| View original record | To BJ. from Hs. S E C R E T. (X9320) Hs2/LG25.8.24. CHANGE GEAR MECHANISM. In view of the Conference in Derby on Friday. We are arranging to send a Car fitted with the proposed EAC. change gear… | ||
| scan0271 | Secret memo detailing design modifications to the change lever shaft for the 'V' EAC series underframe chassis. | ||
| View original record | X.9320 To BY. from AJS. c. to R. CJ. c. to DA. HS. S E C R E T AJS1/M5.3.25. E. A. C. 'V' EAC. SERIES UNDERFRAME CHASSIS. CHANGE LEVER SHAFT. X.9320. We send herewith LeC.2025., (original to… | ||
| scan0272 | Testing new change gear mechanism levers and gate on the 'New Phantom' car. | ||
| View original record | To Hs. from BJ. 48370 BJ17/H22.7.25. "NEW PHANTOM". -Change gear mechanism. With reference to the 10,000 miles test being made on the "New Phantom" car, we should like to try as soon as possible a car… | ||
| scan0273 | The new change gear and brake mechanism for the Phantom model, detailing steering configurations for different body types. | ||
| View original record | X8320 To B.J. from Hs: Hs2/LG23.7.25. NEW PHANTOM - CHANGE GEAR MECHANISM. Answering your BJL7/H22.7.25. We understand from your memo. that you refer to the new change gear and brake mechanism which… | ||
| scan0274 | Solutions for loose control ball joints in levers, including modifications to drawings and dimensional tolerances. | ||
| View original record | To BY. from E. c. to CJ. Hs. 48320 E1/MS. 8.25. CONTROL BALL JOINTS. X. 9240 X. 8310 X. 8320 Regarding the trouble that has been experienced with control balls coming loose in levers, Mr. Royce is of… | ||
| scan0275 | Query regarding the expected delivery of a 'New Phantom' car with a new type of levers. | ||
| View original record | S/W Hs. X8320 C1/C13.8.25. I shall be glad if you will kindly let me know when we may expect the "New Phantom" car with the new type of levers. We should like to have this as soon as possible. C.… | ||
| scan0276 | Suggestion to fit an aluminium casting to prevent hot air and gases from leaking into the car body through the change speed gate. | ||
| View original record | To R. from Hs. c.c. to CJ. BJ. c.c. to RG. E. c.c. to DA. BY. c.c. to Wor. +8320 Hs4/LG20.8.25. X8320 X8770 IMPROVED EAC. WITH SUBFRAME. On EAC. cars fitted with the new change speed and brake levers… | ||
| scan0277 | Experimental status of new change speed and brake levers for the New Phantom car. | ||
| View original record | X8320 To C. from Hs. Hs6/LG25.8.25. X8770 Answering your C1/C13.8.25. We think it will be about 2 weeks before we can send you a New Phantom car fitted with the new type change speed and brake levers.… | ||
| scan0278 | The status of the new levers for the 'New Phantom' and confirming they await testing by Sales before production. | ||
| View original record | X8320? S/W Hs. CG/C17.9.25. "New Phantom" Levers. We shall be glad to know how the matter of the new levers stands at the present time. We presume that you are not putting in hand these new levers for… | ||
| scan0279 | Note apologising for sending a previous document in error and requesting it be passed to Mr. Hives. | ||
| View original record | X.8320? S/W By. 5.10.25. Re Levers. We find our C3/C2.10.25. was sent to you in error instead of to Hs. Would you kindly hand this to Mr. Hives. Apologising for troubling you. c/c RECEIVED 6 OCT 1925… | ||
| scan0280 | Follow-up communication regarding the status of new type levers and an instruction to hold production. | ||
| View original record | S/W By. C3/C2.10.25. We cannot trace having heard from you in regard to the new type levers. We shall be glad to know when we may expect to see these. Meantime, of course, you will not put them into… | ||
| scan0281 | Fumes entering the car body, particularly through the change speed lever gate. | ||
| View original record | R.R. 493A (50 H) (D.D. 31, 12-6-25) J.H.D. EXPERIMENTAL REPORT. Exptl. No. 18320 REF: Hs10/LG14.10.25. To R. from Hs. c. to CJ. BJ. c. to RG. E. c. to DA. BY. c. to Wor. FUMES IN BODIES. X3908 Both on… | ||
| scan0282 | Supply of a drawing for casing to prevent fumes in car bodies. | ||
| View original record | To Hs. from R. c. to CJ. BY. c. to AJS. X8320 FUMES IN BODIES. R3/M24.10.25. X.3908 X.8320 X.5320 With reference to the fumes in bodies, AJS. will supply a drawing shewing the boxing in under the… | ||
| scan0283 | Standardisation of the change gear and brake operating mechanism. | ||
| View original record | RR 755 (10H) (SL391 2-11-23) MP 281297 x8320 Completed 25.1.26 STANDARDISATION of CHASSIS PARTS. Description of Parts. CHANGE GEAR AND BRAKE OPERATING MECHANISM. Origin. To improve design.… | ||
| scan0284 | Modifications to the change gear and brake operating mechanism. | ||
| View original record | X. 8320 - CHANGE GEAR AND BRAKE OPERATING MECHANISM. Points raised by R. and E. have received attention. Weaker plunger springs are fitted, and more clearance has been given. The car which CWB. is… | ||
| scan0285 | Trial for a new type of change gear lever mechanism. | ||
| View original record | X8320 4-0 3/8/26 Hs. R.H.O C. BY/AWD. BY4/H. 8.3.26. CHANGE GEAR LEVER MECHANISM. CWB. was anxious to try the new type change gear levers arranged somewhat differently. The point he brought forward… | ||
| scan0286 | Criticizing the design of a gear change speed shaft, complete with a simple diagram. | ||
| View original record | To AJS. E. Hs. from R. c. to BJ. BY. X. 8320 R7/M1.2.27. GEAR CHANGE 7-EX Greatly to our surprise, the changespeed shaft has been made up of tube and plug, unbrazed, just driven in and secured by 2… | ||
| scan0287 | Failure of a change speed lever shaft on the 7-EX car due to a manufacturing process error. | ||
| View original record | Fps To R. from Hs. c. to BJ. Wor. c. to E. BY. c. to DA. X8320 Hs3/LG7.2.27. CHANGE SPEED LEVER ON 7-EX CAR. The change speed lever shaft which failed on 7-EX was instructed on the LeC. to be a solid… | ||
| scan0288 | From AJS regarding the breakage of a change gear shaft lever connection, attributing it to a design departure. | ||
| View original record | TO R. FROM AJS. Copy to " HS. GEAR CHANGE - 7-EX. I should have replied to your memo. referring to the breakage of the change gear shaft lever connection earlier, but have been away from the office… | ||
| scan0289 | Notification to Mr. Coverley regarding the receipt of 6 Dust Excluders for a Universal Joint. | ||
| View original record | To Mr. Coverley. from EFC. 24th March 1919. EFC2/T24.3.19. X. 3324 - UNIVERSAL JOINT Will you kindly note we have received 6 Dust Excluders G.6584 from Peter Haworth & Sons, stores receiving sheet… | ||
| scan0290 | Experimental Dust Leather Spring for a 40/50 HP Chassis Universal Joint. | ||
| View original record | To. Mr. Mills [strikethrough] from BY/C. c. to Mr. Coverley. c. to EPC. March 25th; 1919. BY/C2/GMK25.3.19. 40/50 HP CHASSIS - UNIVERSAL JOINT. X.3324. Please receive herewith the following drawing :-… | ||
| scan0291 | New drawings for the Internal Axle Control Sphere on the 40/50 HP Chassis Universal Joint. | ||
| View original record | [Strikethrough]Technical Bills from BY/C. To:- Mr. [Strikethrough]Swete. C. to:- Mr. Coventry. C. to:- Mr. Hulls. C. to:- Mr. [Strikethrough]Oliphant. C. to:- Mr.… | ||
| scan0292 | Instruction to introduce new standard drawings for the External Axle Control Sphere on 'J.K.L & M' Chassis. | ||
| View original record | To. Mr. Hives from BY/C. To. M. c. to Mr. Swift. c. to Mr. Everley. c. to Mr. Bull c. to Mr. Howes. c. to Mr. Swires for Mr. Cheetham. c. to E.F.C. March 26th; 1919. BY/C7/GMK26.3.19. X.3324. 40/50 HP… | ||
| scan0293 | To Mr. Coverley from EFC confirming receipt of Dust Leathers for a Universal Joint. | ||
| View original record | To Mr. Coverley. from EFC. EFC4/T31.3.19. X.3324 - UNIVERSAL JOINT Please note we have been informed by the C.O. that the following have been received:- 6 Dust Leathers G.6584 in connection with the… | ||
| scan0294 | To Mr Clark confirming receipt of parts from Messrs Gallenkamp & Co and Messrs Vaughtons Ltd. for experiments. | ||
| View original record | R.R. 235 E(200 T) (S.F. 103, 25-10-18) G. 2244 X. 3324 Mr Clark. Wd/Dn6/HP9419. 9th April 1919. Please note we have received from Messrs Gallenkamp & Co Ltd., 1 dozen No.54 Terminals for experiment… | ||
| scan0295 | Requesting blueprints for drawing G.6352, the general arrangement of a universal joint for the 40/50 HP chassis. | ||
| View original record | BY/C2/GMK17.4.19. To. [REDACTED] from BY/C. c. [REDACTED] c. [REDACTED] c. to E.P.C. c. [REDACTED] c. [REDACTED] X.3324. 40/50 HP CHASSIS - UNIVERSAL JOINT : SECTION - 6100. Please receive herewith… | ||
| scan0296 | Extract detailing the assembly parts and their corresponding S.S. Numbers for RE Chassis 1. E.X. | ||
| View original record | X.3324 Extract from RHC1/LG30.6.19. RE CHASSIS 1. E.X. is The above chassis/now complete and it has been assembled as follows:- "C" SECTION. S.S. No. REMARKS. X.3322. Reverse Gear. G.6346 X.3462. Side… | ||
| scan0297 | Chassis lubrication and wear following a thousand-mile test run, focusing on spring squeaks and the universal joint. | ||
| View original record | X.3324 Bn5/W28.7.19.contd. Chassis I.E.X. - Universal Joint CARE OF CHASSIS. We have been under the impression at the Works for some time that our instructions regarding the lubrication etc. of the… | ||
| scan0298 | Chassis lubrication, bodywork adjustments, and quality issues. | ||
| View original record | Contd. -9- Bn5/W28.7.19. contd. --------------------- not expect it to run very much further and our feeling at the Works is that this part should have more convenient means of lubrication arranged so… | ||
| scan0299 | Failures, knocking, and lubrication issues of the universal joint behind the gearbox. | ||
| View original record | c.c. to HD. c.c. to DR. c. to EFC. X.3324 EPLO/F7.8.20. A.T. (1) X.3324. RE. FAILURES OF UNIVERSAL JOINT BEHIND THE GEAR BOX. X.4348 This point is a continual source of trouble as regards knocking.… | ||
| scan0300 | Technical memo discussing improvements to a universal joint design, comparing it to the Spicer joint. | ||
| View original record | To Hs. from R. c. to CJ. X3324 R3/G8.10.21. X.3324 - RE UNIVERSAL JOINT. X.4406 X.4217 Many thanks for the Spicer list. This is the universal joint which is on the Essex. As fitted to the Essex oil… | ||
| scan0301 | Development strategy for the Goshawk and Seagull chassis, with notes on universal joints. | ||
| View original record | To Hs. from R. c. to CJ. /3324 R1/M7.2.23. RE. GOSHAWK 1 AND SEAGULL. X.9810 X.3481. X.3324 With reference to Goshawk 1. I think this should be made into a satisfactory running chassis for the sake of… | ||
| scan0302 | Tests conducted to find a method for retaining oil in the 40/50 HP Universal Joint. | ||
| View original record | To R. from Hs. c. to CJ. c. to E. c. to Da. c. to BY. c. to EP. X3324 Hs10/LG8. 3. 23. METHOD OF RETAINING OIL ON 40/50 H.P. UNIVERSAL JOINT. X.4348 X.3324 Springfield have pointed out that a large… | ||
| scan0303 | Improvement to the oil retaining qualities of the Universal Joint. | ||
| View original record | contd:- -2- The addition of this pressing makes a tremendous improvement in the oil retaining. The little thrower on the shaft is to stop the oil running down the shaft when the joint stops revolving.… | ||
| scan0304 | Standardisation sheet for removing end threads from piece no. 3233.A. | ||
| View original record | and To CJ. from BJ. from Hs. c. to R. c. to Wor. c. to Rg. c. to Da. c. to BY. c. to EP. c. to PN. X/3324 ORIGINAL Hs/LG9.3.23. STANDARDISATION SHEET. X.3324. REMOVING THE END THREADS FROM PIECE NO.… | ||
| scan0305 | Standardisation document for removing the end threads from piece no. 3233.A on chassis parts. | ||
| View original record | R R 755 (5 H) (S.H. 187, 20-8-20) G. 2807. COMPLETED 28.2.23. STANDARDISATION of CHASSIS PARTS. Description of Parts. REMOVING THE END THREADS FROM PIECE NO. 3233.A. Origin. Suggested by Springfield… | ||
| scan0306 | Standardisation sheet for removing the end threads from piece number 3233.A. | ||
| View original record | X3324 To CJ. and c. to R. from BJ. from hs. c. to Wor. c. to Rg. c. to Da. c. to BY. c. to EP. c. to PH. Hs/LG9.3.23. STANDARDISATION SHEET. X.3324. REMOVING THE END THREADS FROM PIECE NO. 3233.A.… | ||
| scan0307 | The lubrication of the universal joint at the back of the gearbox. | ||
| View original record | R.R. 493A (40 H) (SL 42 12-7-23). J.H., D. X3324 EXPERIMENTAL REPORT. Expl. No. 4348 REF: Hs3/LG30.10.23. To R. from Hs. c. to CJ. c. to E. c. to BY. c. to EP. c. to OY. X3324 LUBRICATION OF UNIVERSAL… | ||
| scan0308 | Joint lubrication, comparing oil versus grease for the American market. | ||
| View original record | R.R. 493A (40 H) (SL 42 12-7-23). J.H., D. EXPERIMENTAL REPORT. Expl. No. 4348 REF:Hs3/LC30.10.23. joints were well lubricated. On the present standard cars which we are making, the oil does not stay… | ||
| scan0309 | Signature and approval process for standardisation sheet X.3324, an oil guard for a universal joint. | ||
| View original record | CJ. and BJ. from Hs. X3324 Hs/LG27.11.23. STANDARDISATION SHEET. X.3324 - OIL GUARD FOR UNIVERSAL JOINT. The attached std. sheet was sent for signature on the 21st. Nov. and was returned on the 22nd.… | ||
| scan0310 | Standardisation of an oil guard for the universal joint to prevent oil leaks. | ||
| View original record | R.R. 755 (10H) (SL 72 18-7-23) MP 274954B. COMPLETED 27.11.23. STANDARDISATION of CHASSIS PARTS. Date 30.10.23. Description of Parts. OIL GUARD FOR UNIVERSAL JOINT. Origin To prevent oil leaks.… | ||
| scan0311 | History and proposed design modifications for the lubricator on the rear universal joint. | ||
| View original record | V3324 TO { BY, HS, LHS. } FROM DA/EV. DA/EV1/M20.6.24. LUBRICATOR ON REAR UNIVERSAL JOINT. X.1457 X.4255 X.4348 X.3324 Apparently the letter containing our latest instructions concerning the position… | ||
| scan0312 | Telegram requesting a clutch universal joint be sent with a car. | ||
| View original record | POST OFFICE TELEGRAPHS TELEGRAMS for INLAND addresses may be handed to the messenger who delivers this form. The Post Office accepts telegrams by telephone. X.8340 Office Stamp: DERBY 1 JUL 26 Time… | ||
| scan0313 | Proposals for lightening the propeller shaft and testing various bearings on the Phantom model. | ||
| View original record | BY. from DA. c. to BJ. Hs. Y8340 DA1/M8.10.27. 'PHANTOM SPORTS. X. 8774 X. 8340 X. 4415 We send herewith N.sch.2474 shewing some proposals for lightening the propeller shaft and thrust bearing on the… | ||
| scan0314 | Despatch note for a Universal Joint sent to Rolls-Royce of America Inc. in Springfield, Mass. | ||
| View original record | R.R. 615B (50T Sets.) (SE 592 13-3-18) MP 190185 Copy Hx/8340 Nov. 14th. 1927 85301 WKS. ORDER No. CHASSIS No. Customer's No. Customer's Order No. Owner's Name Customer Messrs.Rolls-Royce of America… | ||
| scan0315 | Modification to the centralised chassis lubrication system. | ||
| View original record | BY. from DA. c. to BJ. Hs. 78340 DA1/M17.5.28. CENTRALISED CHASSIS LUBRICATION. X.7340 X.3806 X.8340 Herewith we send N.sch.2603 - modification to the lubrication of the universal joint and torque… | ||
| scan0316 | Letter concerning excessive wear in 40/50 spheres and the need for a modification to improve lubrication. | ||
| View original record | N-W Hs Br despatches with yours Will ye Technical - deal with him Br1/S. 7.11.28 Excessive wear in 40/50 Spheres Thank you for your Hm/SB19/MW6.11.28 together with copies of correspondence… | ||
| scan0317 | Excessive wear on 40/50 spheres and requesting a faulty universal joint be returned to Derby for analysis. | ||
| View original record | To Br. from Hs. c. to Hm. V8340 Hs4/LGS.11.28. EXCESSIVE WEAR ON 40/50 SPHERES. V8340 X1457 We are very anxious to help all we can to overcome this fault but you will realise how difficult it is for… | ||
| scan0318 | Follow-up request for comments regarding excessive wear in 40/50 HP Spheres. | ||
| View original record | N-W. Hs. X8340 Br1/H.26.11.28. re Technical - Excessive wear in 40/50 H.P.Spheres --------------- Further to our Br3/A.9.11.28, we shall be very much obliged if you will let us have your comments on… | ||
| scan0319 | Excessive wear and oil leakage on 40/50 spheres, recommending a paraffin test to diagnose the issue. | ||
| View original record | Br. from Hs. C. to. Hm. /8340 Hsl/LG28.11.28. EXCESSIVE WEAR ON 40/50 SPHERES. X7340 The only way we can account for the fact that we on our tests have proved that the joint will hold oil, and… | ||
| scan0320 | On the arrangement and testing of universal joints for the 40/50 HP and 20 HP propeller shafts. | ||
| View original record | Hy. c. Hs. c. Wor. 783240 BY4/G.7.12.28. 40/50 HP. PROPELLER SHAFT - UNIVERSAL JOINTS. -------------------------------------------- I am handing you herewith an arrangement of the universal joint. As… | ||
| scan0321 | Recommendation for propeller shaft lubrication intervals for 20 HP and 40/50 HP chassis. | ||
| View original record | X 8340. To Mx. from Hs/Rn. Hs/Rn.4/MJ.14.8.29. X8340 X8340 PROPELLER SHAFTS+ ------------------ With reference to Mx/McMl/T13.8.29. We recommend that the propeller shaft should be lubricated every… | ||
| scan0322 | Proposed increase in vehicle track width for Colonial cars and its impact on various components. | ||
| View original record | To CJ. from R. c. to BJ. Wor. c. to RG. LHS. c. to Hs. BY. c. to DA. E. c. to PN. 48350 R2/M12.5.25. RE. 40/50 AT 'X' SERIES. X.8770 X.8250 48350 Thank you for your memo. CJO/E11.5.25. The track we… | ||
| scan0323 | Rear axle ratios and their effect on the performance of the 'New Phantom' car. | ||
| View original record | (6350) To Hs. from BJ. BJ3/H28.7.25. REAR AXLE RATIOS. The following is an extract from PN5/DN14.7.25, for your information and consideration. "We must be careful, however, to realise that there are… | ||
| scan0324 | Request to alter the Phantom rear axle track to 57' to match the front track. | ||
| View original record | X. 8350 DA5/M23.9.25. To BY. from DA. c. to CJ. Hs. PHANTOM REAR AXLE. It is understood that the rear track has not been put out to 57" to equal the front track, even on 'W' series. We should like… | ||
| scan0325 | Response from the Production Test Department regarding experience with 14-tooth axles on a New Phantom Chassis. | ||
| View original record | (8350) Wor[strikethrough] c Hs. from Mx. Mx6/T14.10.25. re Chassis No.29-LC. With reference to your Wor23/M13.10.25 with enclosures, this is a matter which we prefer should be replied to by Hs. We in… | ||
| scan0326 | The preference for 15-tooth axles over 14-tooth axles for the 29-LC chassis based on performance and body weight. | ||
| View original record | To Wor. from Hs. c. to Mx. [Handwritten] X8350 Hs3/LG14.10.25. CHASSIS 29-LC. [Handwritten] X8350 (struck through) [Handwritten] X8770 Referring to Wor3/M13.10.25 attached. When the first experimental… | ||
| scan0327 | Customer dissatisfaction with the New Phantom's performance and considering experiments with 14-tooth axles. | ||
| View original record | To Hs. from BJ. Copy to By. BJ2/H16.11.25. X8350 'NEW PHANTOM' BACK AXLE RATIO. Please let us know what experiments have been made and conclusions arrived at in regard to 14-tooth axles on the New… | ||
| scan0328 | Removal of ribs on Phantom brake drums as part of a weight-reducing campaign. | ||
| View original record | To Hs. from R. c. to CJ. X8350 R2/M18.11.25. PHANTOM BRAKE DRUMS - WEIGHT REDUCING CAMPAIGN. X. 8840 X. 8350 We are not sure, but we think you proposed deleting the ribs on the large brake drums on… | ||
| scan0329 | Phantom axle ratios and their effects on performance characteristics like engine noise, consumption, and hill climbing ability. | ||
| View original record | R.R. 493a (50 H) (D.D. 31, 12-8-25) J.H.D. Expl. No. X8350 REF Hs5/LG23.11.25. EXPERIMENTAL REPORT. To BJ. from Hs. c. to BY. PHANTOM AXLE RATIO. X8420 BJ2/H16.11.25. Axles with 14/52 ratio were tried… | ||
| scan0330 | The rear axle track width for the New Phantom model. | ||
| View original record | X8350 Hs. BY18/H. 14.12.25. NEW PHANTOM. REAR AXLE. Just a reminder that on the New Phantom axles running on the experimental test, I believe we have got the 57" track. We have ordered material in… | ||
| scan0331 | Page discussing the effects of axle ratios on speed, fuel consumption, and engine temperature. | ||
| View original record | R.R. 493a (50 H) (D.D. 31, 12-6-25) J.H.D. EXPERIMENTAL REPORT -2- Expl. No. REF: HJS/LCS/11.11.25. with a 14-tooth axle it is doubtful whether a maximum speed in excess of 70 m.p.h. will be obtained.… | ||
| scan0332 | Testing of back axle controls for the Phantom model, specifically the EAC.1 and EAC.7. | ||
| View original record | To Hs. Da. BY. AJS. } FROM R. LE CANADEL. c. to CJ. BJ. RG E. 48350 R2/M27.2.26. BACK AXLE CONTROL - PHANTOM. X.7350 X.8240 X.8350 X.7240 I had hoped that some time about now Hs., and possibly RG.,… | ||
| scan0333 | The use of a 14-tooth axle and exhaust popping on the New Phantom. | ||
| View original record | To Hs. from BJ. BJ4/H17.3.26. Use of 14-tooth Axle on Phantom. Popping in Exhaust of New Phantom. I attach a copy of a letter I have written to Mr. Rowledge in the hope that something can be arranged… | ||
| scan0334 | Letter to Mr. Howledge seeking Mr. Royce's opinion on issues with 14-tooth axles and exhaust popping on Phantom models. | ||
| View original record | COPY TO Hs. BJ3/H17.3.26. Dear Howledge, I hear Hs. will not be with you at Le Canadel, but that Mr. Robotham will be there, and you will probably be discussing a number of points with Mr. Royce.… | ||
| scan0335 | Letter discussing a popping sound in the exhaust and suggesting the matter be presented to Mr. Royce. | ||
| View original record | BJ3/H17.3.26 (Cont'd.) -2- by manipulating his hand throttle, whilst the owners are merely told by the men that the popping is a Rolls-Royce failing and they must put up with it. Even with the hand… | ||
| scan0336 | Letter from Rolls-Royce of America requesting a change in axle gear ratio for Phantom chassis shipped to the US. | ||
| View original record | ENCLOSURE "A". COPY OF LETTER FROM ROLLS ROYCE OF AMERICA INC. February 10, 1926. Rolls-Royce Ltd., London. Gentlemen, The Phantom chassis that you have shipped to us up to the present, we believe are… | ||
| scan0337 | Two memorandums discussing axle ratios for Phantom Chassis intended for the American market. | ||
| View original record | COPY OF MEMORANDUM BJ2/H24.2.26. To BY. from BJ. Copies to Wor. Hs. Re Axle Ratios for Phantom Chassis for America. I attach a copy of a letter dated 10th February, from R.R.A.I. recommending that all… | ||
| scan0338 | Internal memorandum discussing axle ratio tests for the Phantom chassis intended for the American market. | ||
| View original record | COPY. To BY. from BJ. BJ9/H1.3.26. AXLE RATIOS FOR PHANTOM CHASSIS INTENDED FOR AMERICA. BY4/H25.2.26. This appears to be rather an important matter, and perhaps you had better refer it to R. Have we… | ||
| scan0339 | Defects of front axle control and considering alternative designs. | ||
| View original record | To Hs. Da. } FROM R. BY. LE CANADEL. c. to BJ. Wor. E. Rg. X8350 R3/M18.4.26. RE. FRONT AXLE CONTROL. X. 8420 X. 8350 X.161 We know now so many defects of the almost universally adopted front axle… | ||
| scan0340 | Issues and advantages of different back axle controls and universal joints. | ||
| View original record | To Hs. Da. } FROM R. E. RG. } c. to BJ. Wor. BY. X8350 R3/M21.4.26. RE. BACK AXLE CONTROLS AND UNIVERSAL JOINTS. X4183 X8005 OY. wrote some months ago about the even turning of a certain make of… | ||
| scan0341 | Seeking an opinion on supplying 14-tooth axles for Phantom models to meet customer demand. | ||
| View original record | To PH. GWB. Hs. EP. X.8350 BJ1/H27.4.26. (X8991) 14-Tooth Axle. I attach a copy of my memorandum to R., BJ5/H13.4.26, and his reply, R4/M21.4.26. Kindly let me have your opinion as soon as possible as… | ||
| scan0342 | Seeking agreement on the standard fitting of 14-tooth axles for New Phantom cars. | ||
| View original record | COPY. To R. from BJ. BJ5/H13.4.26. 14-Tooth Axle on New Phantom. In order to prevent any possibility of a misunderstanding, I should be obliged if you could let us know definitely whether you agree… | ||
| scan0343 | Reluctant approval for the use of a 14 tooth axle on the Phantom model. | ||
| View original record | COPY. To BJ. from R. (De Candel). c. to Wor. Hg. Da. E. PHANTOM AXLE. Referring to Rg2/W31326. I reluctantly agree to the use of a 14 tooth axle, because experience has shown this to be wrong at… | ||
| scan0344 | Pros and cons of fitting a 14-tooth axle to Phantom cars, suggesting weight reduction as an alternative. | ||
| View original record | To B.J. from Hs. c. to Wor. CWB. c. to FN. EP. X8350 Hs2/LG28.4.26. 14-TOOTH AXLE - BJ/H27.4.26. We understand that Wor. has definite objections to the producing of quiet 14-tooth axles. The… | ||
| scan0345 | Phantom back axle ratio, recommending the 14-tooth axle for better performance. | ||
| View original record | 48350 To HS. from R. RB/M10.6.26. Copy to -BJ. " -Wor. " -BY. PHANTOM BACK AXLE RATIO Y4295 -X.8310. With reference to the Phantom back axle ratio, rather strangely the car I had in the south of… | ||
| scan0346 | Query regarding the effects of fitting 14-tooth axles to Phantom cars and a request for previous test data. | ||
| View original record | c. to Wov Please return to HsRG. X8350 PN14/DN25.6.26. TO Hs c. to BJ FROM PN We have frequently given consideration as to whether 14-tooth axles fitted to Phantoms may conceivably be a better… | ||
| scan0347 | Cancelling work on rear axle schemes 2140, 2149 & 2150, to be replaced by new schemes 2232 & 2234. | ||
| View original record | 48350 MHC. BY/SS. BY/TWD. Hs. BY5/H. 19.8.26. E.A.C. REAR AXLE. TO N.SCHEMES 2140, 2149 & 2150. ---------------------------------------------------- Will you kindly note that the detail work issued… | ||
| scan0348 | Letter discussing oil leakage issues from rear axle differentials and gearboxes, with proposed solutions. | ||
| View original record | X8350 c/o All British Motor Co.Pty.Ltd., 109-113 Russell Street, MELBOURNE. Pt.6/FP 29th November, 1926. Hs.(Derby). Further to my recent letter setting out causes of complaint which have to be met… | ||
| scan0349 | Letter inquiring about the cause of oil leaks from rear axles. | ||
| View original record | C/o All British Motor Co.Pty.Ltd., 109-113 Russell Street, MELBOURNE. Pt.5/FP 2-12-26. Hs.(Derby). Further to my recent communication re oil leaks from rear axles, I shall be glad to know if you have… | ||
| scan0350 | Modifications for the 20 HP model, focusing on body weight, back axle ratios, and engine improvements. | ||
| View original record | To BJ. from R. c. to Hs. DA. E. c. to SY. LLs. Sg. X 8350 R2/M3.12.26. 20 HP. BACK AXLE RATIO, WEIGHT OF BODIES ETC. X.5350 X.4538 X.5830 X.8350 You will remember that I have always disagreed with a… | ||
| scan0351 | Note regarding a lightweight 20 HP chassis and modifications to the vertical louvres and front axle control. | ||
| View original record | contd :- -2- It will be understood that this chassis is light compared with other 20 HP. chassis used for similar purposes. The vertical louvres will be ready, and there may be some modification to… | ||
| scan0352 | The disappointing performance of a 40/50 HP model with a low axle ratio, suggesting a pinion modification. | ||
| View original record | S/W. To Hs. Copy to [REDACTED] X.8350 PN7/EH.28.1.27. 40/50 H.P. Low Axle Ratio. With reference to your Hs/Rm3/LG8.1.27, the results we were able to obtain with 103-MC, fitted with the 14-tooth axle… | ||
| scan0353 | Two methods for adding permanent packing to the back axle. | ||
| View original record | 49350 HS. BY15/H. 6.4.27. JACKING UP CAR. - BACK AXLE. We recently instructed two methods of adding a permanent packing to the back axle. One of them can be fitted to any existing car. The other one… | ||
| scan0354 | Rear axle ratio, instructing for an 18 tooth Gleason pinion to be fitted to 10-EX. | ||
| View original record | To BY. from Hs/Rn. X 8350 Hs/Rm3/LG25.4.27. REAR AXLE RATIO. Further to our conversation on the subject, will you please instruct an 18 tooth Gleason pinion for fitting to 10-EX. Hs/Rn. | ||
| scan0355 | Epidemic of complaints regarding premature wear on rear axle components in New Phantom chassis. | ||
| View original record | Hs. Derby C. to Hs. Derby B.P. " RH. " WHR. London S.W.S. London. X8350 According to Mr. Appleby, there is at the moment quite an epidemic of complaints about rear axle periods on New Phantom chassis,… | ||
| scan0356 | Complaints of rear axle 'periods' versus noise from worn ball bearings. | ||
| View original record | [Strikethrough text] Pt. Australia. [Strikethrough text] C. to Hs. [Strikethrough text] C. to P. [Strikethrough text] C. to BY. [Strikethrough text] C. W/S - Whr. [Strikethrough text] C. - CWB.… | ||
| scan0357 | Rejecting a proposal for a duralumin rear axle brake bracket as too expensive and suggesting an alternative. | ||
| View original record | BY. Hs. from R. c. to BY. Wor. X8350 R2/M6.10.27. RE. MAKING REAR AXLE BRAKR BRACKET X. 8420 IN DURALUMIN. X. 8350 Replying to your BY3/J4.10.27., this suggestion has been replaced by my suggestion of… | ||
| scan0358 | Implementation of improvements for the Sports Phantom and the next 10,000 miles car. | ||
| View original record | To Hs. BY. from R. c. to BJ. Wor. C. to DA. E. 18350 R2/M8.10.27. X. 8350 X. 8774 X. 8940b X. 8010 SPORTS PHANTOM, AND NEXT 10,000 MILES CAR. ------------------------------- It is realised that if we… | ||
| scan0359 | Drawings for the adaptation of centralised lubrication on the rear axle and modifications for new brake components. | ||
| View original record | BY. from DA. c. to BJ. Hs. X8350 DA2/M13.10.27. EAC.14 REAR AXLE. X.8350 X.8520 X.4612. Herewith we send N.sch.2480 shewing the adaptation of centralised lubrication to the modified spring roller… | ||
| scan0360 | Design and thickness of a solid torque tube. | ||
| View original record | X. 8350 BY. from DA. c. to BJ. Hs. DAL/M18.10.27. EAC.14 TORQUE TUBE. Herewith we send N.sch. 2485 shewing the solid torque tube. The increase od diameter in the centre of the torque tube is just… | ||
| scan0361 | Standardization of axle ratios for the 40/50 HP model to improve acceleration in response to increasing traffic density. | ||
| View original record | S/W HS. X8350 BJ. Copy to:- C. Sg. PN. Whr. Hs. CWB15/GM/14.11.27. Re: AXLE RATIO, 40/50 H.P. With reference to Pt7/FM.11.10.27 attached, I agree entirely with Pt. on this matter. For other reasons we… | ||
| scan0362 | Potential introduction of a 14-tooth axle for Phantom cars, weighing its advantages against potential issues. | ||
| View original record | X8350 To Hs. from BJ. Axle Ratios. BJ16/E25/11/27 Copy to C. for the C.S.C. I was very glad to hear from you yesterday that it is hoped that we shall be able to introduce the 14-tooth axle again.… | ||
| scan0363 | Proposal to fit a 14-tooth axle to Phantom cars for improved acceleration. | ||
| View original record | To BJ. from Hs. c. to WGR. c. to C. c. to BY. X8350 Hs3/LG28.11.27. AXLE RATIOS. With reference to BJ16/E25.11.27. It would appear that it is for Sales to state on which car they would like the… | ||
| scan0364 | Phantom back axle ratio, comparing 14-tooth and 15-tooth axles for different markets and driving conditions. | ||
| View original record | Hs. from R. C O P Y. c. to BJ. Wor. BY. R8/M10.6.26. PHANTOM BACK AXLE RATIO. With reference to the Phantom back axle ratio, rather strangely the car I had in the south of France was fitted with… | ||
| scan0365 | Introduction and production viability of 14-tooth axles versus 15-tooth axles. | ||
| View original record | Hs To Hs. from BJ. Copy to Wor. Copy to BY. X8350 Axle Ratios. BJ3/E1.12.27 With reference to Hs3/LG28.11.27, we are glad to hear that the 14-tooth axles can be introduced. When may we expect these?… | ||
| scan0366 | Standardising 14-tooth axles for chassis ordered for Australia. | ||
| View original record | Copy. Hs. Wor. from Sn. X8350 D/Sn8/GRG.12.27. Re Axle Ratios. Pt. recently suggested that 14 tooth axles should be standardised for all chassis ordered for Australia in the same way as they are on… | ||
| scan0367 | Standardisation of a 14/52 axle ratio for chassis parts. | ||
| View original record | RR 755 REVISED (IOH) (DE 649 9-12-26) BM. 2/1187. L8350 COMPLETED 23.12.27 STANDARDISATION of CHASSIS PARTS. Description of Parts: 14/52 AXLE RATIO. Date 28.11.27 X No. 8350 Drawing No. 1725 Part List… | ||
| scan0368 | Outlining recommendations for different axle ratios based on car weight and market. | ||
| View original record | To BY. from Hs/Rn. c. to Sg. c. to Hm. X8350 Hs/RnL/LG9.1.28. AXLE RATIOS. X7350 Though we have standardised the 14-tooth axle, we do not recommend that this should be utilised without discretion. Our… | ||
| scan0369 | Acceleration curves and the effect of a 14-tooth axle on engine performance. | ||
| View original record | To BY. from Hs/Rm. x 8350 X1725 Hs/Rm5/LG19.3.28. Herewith acceleration curve as requested per attached note. Really far the best thing to do is to take the customer out in the car fitted with the… | ||
| scan0370 | Recommending the 14-tooth axle as the all-round standard over the 15-tooth axle. | ||
| View original record | To Wor. from Hs. c. to Mx. Y8350 Hs3/LG3.9.28. 14-TOOTH AXLES. When the standardisation sheet was issued for the 14-tooth axle it was recommended that they should only be used on heavy cars. We agree… | ||
| scan0371 | Recommendation to fit a 14-tooth axle to a car for South Africa to counteract power loss from high altitude. | ||
| View original record | W/S. Whr. from Hs/Rn. X 8350 Hs/Rn7/LG2.11.28. X8770 Mr. Bryen of Thrupp & Maberley was here yesterday shewing us their car for the Scottish Show. He mentioned that they were preparing a RR. car for… | ||
| scan0372 | Confirmation to fit a 14-tooth axle to Chassis No. 34-WR for the South African Trials. | ||
| View original record | HS S/W. X8350 Whr/Ro14/WP.3.11.28 Re: Chassis No. 34-WR - South African Trials We thank you for your Hs/Rm7/LG.2.11.28 and we quite agree with your recommendation that the above chassis should be… | ||
| scan0373 | Instruction regarding a regrouped instrument board, changing from cream to black dials with white figures. | ||
| View original record | RR 238 (150 BKS.) (DB 461-8-12-24) MP 306975 X8350. ROLLS-ROYCE LTD. INSTRUCTIONS. To: E. & C. Order No.: J.C.155. Customer's No.: Re grouped Instrument Board. The Instruments for the above have been… | ||
| scan0374 | Instruction to line the narrow hand brake on the 40/50 rear axle with Ferodo Bonded Asbestos. | ||
| View original record | BY. From Hs/Rn. X 8350 Hs/Rn.4/MJ.11.3.30. X 3409 Will you please instruct the narrow hand brake on the new 40/50 rear axle with the increased foot brake lining to be lined with Ferodo Bonded… | ||
| scan0375 | Confirming the dispatch of curves of axle movements, taken from a Phantom 1 vehicle. | ||
| View original record | X.8350. X.7520. X.7410. X8350, To Da. From Hs/Rm. Hs/Rm.5/MJ.25.11.31. We send you herewith curves of axle movements, as requested. These were taken on a Phantom 1. Hs/Rm. Att: 2 Prints. | ||
| scan0376 | Graphs of rear axle motion experiments on a Phantom 98 N.K. over various road surfaces and damping settings. | ||
| View original record | SHEET 2. REAR AXLE MOTION EXPERIMENTS. PHANTOM 98 N.K. LEFT SECTION: BURTON ROAD. RAILWAY LEVEL CROSSING. COMING IN TOWARDS DERBY. 23 M.P.H. x 4.12 Data points: 1.45, 2.00, 3.00, 1.05, 2.20, 3.40,… | ||
| scan0377 | Graph sheet from rear axle motion experiments on a Phantom 98 N.K. | ||
| View original record | REAR AXLE MOTION EXPERIMENTS SHEET I PHANTOM 98 N.K. M.P.H. 23 35 45 23 45 23 35 SURFACE:- AVERAGE MAIN ROAD SHARDLOW STRAIGHT. NO SHOCK ABSORBERS x 5.34 AXLE HEAVILY DAMPED x 2.68 SURFACE:- BAD… | ||