Rolls-Royce Archives
| Identifier | Entry | ||
| Scan0 | Secret memo discussing a complaint about seating position and vision in a 'V' series car, with proposed solutions. | ||
| View original record | TO HS. FROM DA. SECRET. DA3/M2.1.25. Copy to [crossed out] CJ. Copy to [crossed out] WGR. Copy to [crossed out] BY. E. A. C. 'V' SERIES. X8430 X8770 Replying to your HS9/LG311224., the part that… | ||
| Scan1 | Confirming arrangements for an experimental 'V' Series steering setup. | ||
| View original record | ORIGINAL TO H.S.) FROM DA. SECRET. DA2/M7. 1. 25. E. A. C. re. 'V' SERIES STEERING. (18-4-30) This is to confirm that you will arrange an experimental set, bringing in the case of the 'B' steering the… | ||
| Scan2 | Design and controls for a 'V' series rear exhaust silencer and cutout, with drawings sent for approval. | ||
| View original record | ORIGINAL TO DY. FROM E. S E C R E T. E3/M7.1.25. Copy to S.J. [Struck through] Copy to - HS. E. A. C. re. 'V' SERIES REAR EXHAUST SILENCER AND CUTOUT. +8230 +8490 We send you herewith drawings… | ||
| Scan3 | Noisy distributing gears for magnetos, removing the objection to bakelite-aluminium wheels for motor cars. | ||
| View original record | TO EY. } FROM R. HS. } Copy to Mr. E.E. Copy to Mr. D.A. Copy to Mr. RG. MAGNETOS. re. NOISY DISTRIBUTING GEARS. X4648 I am in receipt of BY's memo. on these, and conclude that it is advisable to… | ||
| Scan4 | Proposing a new design for a starter unit using a high-speed engine and dynamo. | ||
| View original record | ORIGINAL Memo FROM R. Copy to - C.J. Copy to - E.W.H. Copy to - Copy to - HS. re. STARTER UNIT. X.4129 Will you kindly reconsider this as suggested by you. Would it be too heavy to make a small engine… | ||
| Scan5 | Secret memorandum discussing a new scheme for 'B' steering and an inverted slow-opening throttle mechanism for Series 'V' controls. | ||
| View original record | TO BR. FROM E. Copy to - HS. S E C R E T. E. A. C. re. SERIES 'V' CONTROLS. Handwritten: X8240 X8430 Regarding the discussion in connection with the above during your last visit here, we have now got… | ||
| Scan6 | Proposal to adapt a friction drum type adjustment for a magneto coupling. | ||
| View original record | TO HS. FROM E. Copy to CI. Copy to BV. S E C R E T. ORIGINAL E2/M13.1.25. E. A. C. MAGNETO COUPLING. X8100 With regard to the question of the magneto coupling on EAC. 2. we are proposing to adapt the… | ||
| Scan8 | Review of the 20.HP exhaust pipe on the Goshawk 2 engine, concluding no immediate alteration is needed. | ||
| View original record | [Strikethrough: R.S.] FROM R. ORIGINAL. R3/M13. 1. 25. [Strikethrough: Copy to - CG.] Copy to - HS. 20.HP. EXHAUST PIPE. X 4238 The present pipe on 5.Goshawk 2. does not seem to require any… | ||
| Scan9 | Secret memo regarding the design of a rear silencer support for 'V' series exhaust fittings. | ||
| View original record | ORIGINAL TO BY. FROM E. SECRET. E3/M14.1.25. Copy to - HS. E. A. C. re. EXHAUST FITTINGS - 'V' SERIES. 48230 Re. the rear silencer support on the above, we have just received a memo. from R. saying… | ||
| Scan10 | Modifications to the 'V' series engine controls, including the layshaft, throttle mechanism, and mixture control lever. | ||
| View original record | TO RY. FROM E. Copy to C.J. HS. ORIGINAL SECRET. E2/M14.1.25. E. A. C. ENGINE CONTROLS - 'V'.SERIES. 48240 We send you herewith drawings LeC.1980/81/82., shewing the EAC. controls modified for 'V'… | ||
| Scan11 | Secret memorandum regarding a complaint about 'chatter marks' on a 'V' Series Gearbox shaft. | ||
| View original record | ORIGINAL TO HS. FROM AJS. SECRET. AJS2/M19.1.25. Copy to [REDACTED] R. E. A. C. re. 'V' SERIES GEARBOX. X8810 This Department (G - WW.) has just heard that when you were here last a complaint was made… | ||
| Scan12 | Proposed modification for a straight moulded ignition wire tube, awaiting approval from Mr. Royce. | ||
| View original record | TO BY. FROM E. Copy to CJ. Copy to - HS. S E C R E T. E. A. C. IGNITION WIRE TUBE BOLTED TO DASHBOARD. X8560 We send you herewith drawing No. LeC. 1986., shewing a proposed straight moulded tube for… | ||
| Scan13 | Drawing No. LeC.1985 for an exhaust silencer bracket, based on a sketch by Mr. Royce. | ||
| View original record | ORIGINAL TO BY. FROM E. SECRET. E3/M22.1.25. Copy to - C.J. HS. E. A. C. EXHAUST SILENCER BRACKET. We send herewith drawing No. LeC.1985., shewing the above made to Mr. Royce's pencil sketch for a… | ||
| Scan14 | Secret memo discussing magneto drive coupling designs, comparing Mr. Royce's preferred taper and cone drives with the original EAC serrated type. | ||
| View original record | ORIGINAL. TO H.L. FROM E. [Struck through] Copy to - C.L. [Struck through] Copy to - H.S. S E C R E T. EA/M28.1.25. E. A. C. MAGNETO DRIVE. X8100 [Handwritten] When the revised magneto couplings for… | ||
| Scan15 | Design modifications for a 4-speed gearbox lever, specifically a detachable lever and a smaller knob. | ||
| View original record | TO HY. FROM AJS. SECRET. AJS1/M3.2.25. Copy to [redacted] OJ. Copy to [redacted] R. Copy to - HS. U. S. A. 4 SPEED BOX. X5310 We send herewith LeC. 1992., (original to BY. print to R.) shewing:- (1)… | ||
| Scan16 | Secret memorandum discussing the control of the front axle, the use of radius rods, and different types of shackles for front brakes. | ||
| View original record | ORIGINAL SECRET. FROM R. Copy to - [redacted] - [redacted] - HS. U. S. A. R3/M3.2.25. re.FRONT BRAKES. X5940 No doubt the 40" springs will be a great help to the control of this front axle against the… | ||
| Scan17 | Secret internal memo regarding the allocation of two car bodies and subframes. | ||
| View original record | TO C. FROM DA/EV. SECRET. DA/EV1/M5. 2. 25. Copy to - HS. X8830 X8380 We have heard from Barkers to the effect that they can allocate us two bodies partly finished, and would like to receive two… | ||
| Scan18 | Drawing Lec. 1990 for an adjusting magneto coupling with a friction cone. | ||
| View original record | TO ~~RY~~ FROM E. Copy to CJ. Copy to - HS. ORIGINAL SECRET E. A. C. E1/M7.2.25. MAGNETO COUPLING. X8100 We send you herewith Lec. 1990. shewing adjusting magneto coupling revised to Mr. Royce's… | ||
| Scan19 | Using Alpe cord fabric for a flexible coupling and the need for waterproofing. | ||
| View original record | ORIGINAL TO E. RG.DA. FROM R. R5/M9. 2. 24. Copy to C.J. B.Y. H.S. R.P. re. FLEXIBLE COUPLING. X2431 / X3530 Alpe cord fabric for coupling does not seem a necessity, but I do think your second point… | ||
| Scan20 | Modifications to the screw on the scale lever of the automatic advance ignition mechanism. | ||
| View original record | FROM E. SECRET Copy to C.J. (Struck through) Copy to - HS/RM. E. A. C. AUTOMATIC ADVANCE IGNITION MECHANISM. ORIGINAL (Stamp) X8605 (Handwritten) Referring to the scale lever shewn on drawing LeC.… | ||
| Scan21 | Tecalemit lubrication gun seen on a Lorraine-Deitritch car at a show, comparing it to a new model. | ||
| View original record | TO HS. FROM DA/EV. DA/EV2/M12.2.24. re. TECALEMIT. X3898 No doubt you saw this at the Show. on the Lorraine-Deitritch, and enclose one of the pumps and some nipples. We find the facile attachment of… | ||
| Scan23 | Cause and potential cure for a 'creeping out of gear' issue in a 4-speed gearbox. | ||
| View original record | TO HS. } FROM R. ORIGINAL SECRET Copy to [overtyped text] RG.DA-BY- U. S. A. 4 SPEED BOX. K5310 Since writing my memo. of yesterday Mr.Elliott's letter has come to hand. I am very pleased you find the… | ||
| Scan27 | Cause of shaft creep in a 4-speed gearbox, proposing experiments and theories. | ||
| View original record | ORIGINAL TO AJE. (crossed out) HS. } FROM R. SECRET. R1/M6. 2. 25. C. to GJ. B.J. WOR. (crossed out) C. to RD. BA. BY. INDIA. 4 SPEED BOX. X5310 I have received HS. report that the reverse shaft with… | ||
| Scan29 | Design options and issues for a 4-speed gearbox, with diagrams of bearing arrangements. | ||
| View original record | TO A.J.S. & H.S. } FROM R. SECRET. R1/M13. 2. 25. Copy to - C.J. B.J. H.T. WOR. INDIA. 4 SPEED BOX. X 5310 I understand from H.S. memo. of 4/2/25. that there is now no trouble with the reverse working… | ||
| Scan31 | Design change for a spring-loaded exhaust choke valve. | ||
| View original record | [Handwritten]: Hs. [Faint stamp]: ORIGINAL [Stamp]: SECRET [Struck through]: BY: FROM E. E1/M26. 2. 25. [Struck through]: Copy to - SJ. - HS. E. A. C. SPRING LOADED EXHAUST CHOKE VALVE. [Handwritten]:… | ||
| Scan32 | Revision of the engine's front bearer tube and associated material requirements. | ||
| View original record | [Struck Through: TO BY.] FROM E. Copy to C.J. HS. S E C R E T. E1/M28. 2. 25. E. A. C. ENGINE - REVISED FRONT BEARER TUBE. Y.8005 K. We send herewith drawing Loc. 2008., showing the above, to replace… | ||
| Scan33 | Secret memo discussing a throttle governor design update involving a pinch bolt and requesting data on throttle valve opening. | ||
| View original record | TO HS. FROM E. SECRET. E4/M28.2.25. Copy to CI E. A. C. THROTTLE GOVERNOR. X8140 Regarding the question of providing an adjustment between the throttle governor cam and the throttle lever we are… | ||
| Scan38 | Modifications to the 'V' Series underframe chassis change lever shaft. | ||
| View original record | TO BY. FROM AJS. SECRET. AJS1/15. 3. 25. Copy to - [illegible] [illegible] HS. E. A. C. 'V' SERIES UNDERFRAME CHASSIS. CHANGE LEVER SHAFT. X8320 We send herewith LeC. 2025., (original to BY., print to… | ||
| Scan40 | Design and manufacturing options for an engine front bearer tube. | ||
| View original record | ORIGINAL TO E. & BY. FROM R. S E C R E T. R2/MIO. 3. 25. Copy to - OC. BJ. DA. RG. HS. [Text crossed out] E. A. C. ENGINE - FRONT BEARER TUBE. [Handwritten: X.8005] The solid forging can go forward to… | ||
| Scan41 | Silchrome valves and the differing practices between aero engines and chassis. | ||
| View original record | TO BY. [HS. and RG. are crossed out] FROM R. Copy to C.J. re. SILCHROME VALVES. [Handwritten: X4587 F4634] I thank BY. for his memo. re the above, and for pointing out that aero engine practice is not… | ||
| Scan43 | Revised scheme to cure the rattle in the dynamo drive, referencing drawing Lec. 2028. | ||
| View original record | ORIGINAL ~~TO BY.~~ FROM E. SECRET. E4/117. 3. 25. Copy to - ~~CU~~ - HS. E. A. C. DYNAMO DRIVE. V8100 The scheme given for curing the rattle in the dynamo drive as shewn on our original drawing is… | ||
| Scan44 | Secret memorandum regarding the particulars of engine front suspension tubes. | ||
| View original record | TO B.Y. FROM E. SECRET. HS/M17. 3. 25. Copy to -- S.J. E. A. C. " " -- H.S. X8005 ENGINE - FRONT SUSPENSION TUBES: We send herewith Rec. 2027., giving complete particulars of the above. We have… | ||
| Scan45 | Failure of torsion springs on an exhaust silencer cutout and proposing a modification with a tension spring. | ||
| View original record | ORIGINAL SECRET. TO R. FROM E. E4/M17. 3. 25. Copy to - CJ. HS. E. A. C. EXHAUST SILENCER CUTOUT. 48490 'V' SERIES. We send you herewith blue print of Sch: 626. dealing with the above. The torsion… | ||
| Scan46 | Cause of steering differences in the 'V' series, potentially due to weight lifting the chassis. | ||
| View original record | TO HS. FROM DA. S E C R E T. 'V' SERIES. STEERING. We have seen a telegram from BY. suggesting that the difference in the 'V' series steering is due to lifting the increased weight. We remember that… | ||
| Scan47 | Secret memo discussing design suggestions for pistons, piston rings, and their balance. | ||
| View original record | TO R. FROM E. SECRET. E1/M20. 3. 25. Copy to - G.J. Copy to - H.S. Copy to - D.Y. E. A. C. PISTON. X8040 We received your memo. shewing sketches of alterations to pistons, and we believe that LeC.… | ||
| Scan48 | Secret memo regarding drawing LeC. 2035, showing an improved strengthened piston with 5 rings. | ||
| View original record | ORIGINAL. TO EY. FROM E. Copy to CJ. " HS. S E C R E T. E2/M20.3.25. E. A. C. PISTONS. X8040 We send you herewith LeC. 2035., shewing the improved strengthened piston with 5 rings arranged for oil… | ||
| Scan49 | Proposed modifications to a thermometer tube and associated wiring. | ||
| View original record | TO R. FROM E. (TO R. is struck through) Copy to - G.I. (struck through) Copy to - HS. SECRET ORIGINAL E. A. C. THERMOMETER. Handwritten: X3565, T8250, T8240 Referring to scheme 625, made to our… | ||
| Scan50 | Secret memorandum concerning the practice of fitting piston stops and associated leakage risks. | ||
| View original record | ORIGINAL TO R. FROM E. SECRET. E5/M23.3.25. Copy to - C.J. " HS. " BY. INDIA PISTON STOPS. X5040 Further to our remarks concerning the above in E1/M23.3.25., we think the stops ought to be filed away… | ||
| Scan51 | Secret internal memo regarding sending a piston drawing, Lec. 2036, for India. | ||
| View original record | ORIGINAL TO BY. FROM E. [Note: 'TO BY.' is struck through] SECRET. E2/M23.3.25. Copy to - CJ HS. [Note: 'CJ' is struck through] I N D I A. PISTON. X5040 We send herewith drawing Lec. 2036., as… | ||
| Scan52 | Use of copper tubes through cylinder castings and issues of thermal expansion. | ||
| View original record | ORIGINAL FROM R. SECRET. R4/M23.3.25. Copy to - [REDACTED] [REDACTED] [REDACTED] H.S. E. A. C. CYLINDER HEAD. (Handwritten: X 8050) This requires further comments. Regarding copper tubes through… | ||
| Scan53 | Secret memorandum regarding the 'V' Series Shutter Control and instrument board positioning. | ||
| View original record | ORIGINAL TO DA. FROM R. SECRET. R2/M23.3.25. Copy to - WG. " E. A. C. " HS. 'V' SERIES SHUTTER CONTROL. X8240 I have written elsewhere about the shutter control. It seems an easy matter to make it… | ||
| Scan54 | Proposed whitemetal lined steering nut for the 'V' series steering worm. | ||
| View original record | TO BY. FROM DA. SECRET. DA2/M25.3.25. Copy to " G.I. E. A. C. - HS. 'V' SERIES STEERING WORM. Fx430 We send herewith N. scheme 1969. shewing the proposed whitemetal lined steering nut giving a… | ||
| Scan55 | Comparing the steering geometry and leverage of the new 'V' series with the older EAC. 3 model. | ||
| View original record | TO HS. FROM DA. Copy to BY: S E C R E T. E. A. C. DAL/M25. 3. 3. 25. 'V' SERIES. re.STEERING. X8430 We send herewith N. scheme 1968. a print of which we have sent to Mr. Royce, shewing thegeometry of… | ||
| Scan56 | Secret memo discussing the design, modification, and testing of a throttle governor control mechanism. | ||
| View original record | TO H-R. FROM E. SECRET E1/M26. 3. 25. Copy to - CJ. Copy to - HS. Copy to - BY. E. A. C. THROTTLE GOVERNOR CONTROL. X8140 In reply to your letter concerning the above would you kindly note that the… | ||
| Scan57 | 'V' series scuttle isolation, involving a water trough and a semi-flexible attachment. | ||
| View original record | TO HS.) FROM DA/EV. SECRET. DA/EV2/M30.3.25. Copy to E. A. C. re. 'V' SERIES SCUTTLE ISOLATION. V8500 We have arranged that on 'V' series, and on future series, a water trough around the dashboard… | ||
| Scan58 | Secret internal memorandum discussing design considerations for pistons, scraper rings, and pins. | ||
| View original record | TO F. A RG. FROM R. S E C R E T. Copy to - CJ. RM. HS. E. A. C. & I N D I A. re. PISTONS. X8040 X5040 I think we ought to add no more weight than we are forced to do. My all scraper ring scheme does… | ||
| Scan59 | Design suggestions and potential issues for E.A.C. pistons. | ||
| View original record | TO-E. HS. FROM R. SECRET. Copy to CJ. RG. BY. re. E.A.C. PISTONS. X8040 Re. scraper rings we do not know any scheme of ring that can have one edge more heavily loaded than another, because they would… | ||
| Scan60 | Design specifications and efficiency improvements for radiator fans. | ||
| View original record | FROM R. Copy to EY " " HS " " [illegible] " " DM re. RADIATOR FANS. X1017 EFC's work on these should be most valuable. We save power, belts etc, and make the action of the fan more efficient and… | ||