Rolls-Royce Archives
| Identifier | Entry | ||
| scan0001 | Order for Dunlop tyres and inner tubes for a Goshawk 11 chassis with Michelin Budd wheels. | ||
| View original record | R.R. 935m (100 T) (S.H. 798, 10-12-30) G. 2948 Wd. from Hs. X3602 Hs2/LG19.10.? TYRES FOR GOSHAWK 11. X3025 X3602 Will you please order - 6 Dunlop straight-sided cord tyres 32 X 4 1/2 and 6 Inner… | ||
| scan0002 | Urgent order for Dunlop tyres and inner tubes for the Goshawk 11 chassis. | ||
| View original record | Wd. from Hs. X 3602 Hs2/LG14.11.21. TYRES FOR GOSHAWK 11. Will you please order:- 6 Dunlop straight-sided cord tyres 32 X 4½ and 6 Inner Tubes. We intend using these on Goshawk 11. chassis in… | ||
| scan0003 | Order for Dunlop tyres and covers for the Experimental Goshawk chassis. | ||
| View original record | X3602 Wd/Ms. from Hs. Hs3/LG13.2.22. Will you please order - 6 complete Dunlop tyres - straight-sided 32 X 4½ 4 Dunlop beaded cord covers --------- 880 X 120. These are required for Experimental… | ||
| scan0004 | Correcting an error in a tyre order for the 'Goshawk'. | ||
| View original record | X 3605 R.R. 255a (100 T) (S.H. 798, 10-12-20) G. 2948 Ms. from Hs. Hs11/LG20.2.22. TYRES FOR "GOSHAWK". We regret that we ordered in error - 4 Dunlop Magnum cord covers - beaded type 880 X 120. The… | ||
| scan0005 | Instructions for the return of four Dunlop Magnum cord covers to the manufacturer. | ||
| View original record | X3602 Mr. Chatwin Stores. c. to Ms. c. to BP. Hs12/LG20.3.22. Herewith - 4 Dunlop Magnum cord covers 880 X 120. These are to be returned to Messrs. Dunlop to C.O. instructions. Hs. | ||
| scan0006 | Weights and production status of wheels and rims supplied by Rudge Whitworth Co. and Dunlop Co. | ||
| View original record | X3602 [STAMP: RECEIVED, By C. to Hv.] ROY.3/AG, 21.2.22. [Handwritten and crossed out: X3602, X3599] Details hereunder of weights supplied by the Rudge Whitworth Co. of Straight Sided and Beaded Edged… | ||
| scan0007 | The estimated and actual weights of various wheels and tyres. | ||
| View original record | (2) By. c. to Hs. ROY.2/AG.21.2.22. The estimated weight of a 32 x 4 1/2 Rudge Whitworth Wheel with Straight Sided Rim is 36.7 lbs. and 820 x 120 with Beaded Edged Rim 25.2 lbs. LATER. Tyre-Weights… | ||
| scan0008 | Forwarding a copy of a letter from Mr. Royce regarding Goshawk wheels and tyres, comparing rim weights and discussing negotiations with Rudge-Whitworth. | ||
| View original record | To E. from BJ. c. to Hs. X.3602 BJ14/H22.2.22. GOSHAWK - WHEELS AND TYRES. X.3599 X.3602 Mr. Royce, I think it might be of assistance:- Copy of Roy2/AG17.2.22. "Arising out of our various… | ||
| scan0009 | Comparing the weight of straight-sided and beaded wheels for the Goshawk model. | ||
| View original record | X3602 E. from Hs. S. to BJ. c. to Roy. X3602 Hsl/LG24. 2. 2. 22. X3599 (crossed out) GOSHAWK - STRAIGHT-SIDED AND BEADED WHEELS. We do not consider the comparison between a 32 X 4 1/2 straight-sided… | ||
| scan0010 | Urgent order for three Dunlop tyre covers. | ||
| View original record | Ms. from Hs. X3602 Hs1/LG9.3.22. Will you please order - 3 Dunlop straight-sided covers 33 X 5. We must have these covers here by Saturday morning as we wish to send the* car away the first thing on… | ||
| scan0011 | Tyre circumferences and pressures for a Goshawk speedometer. | ||
| View original record | X3602 BY. from Hs/TMW. Hs/TMW1/LG1.6.3.22. GOSHAWK SPEEDOMETER. X4077 X3602 In accordance with your request today for tyre circumferences, we give below figures for which you ask:- Dunlop Magnum tyre… | ||
| scan0012 | Jack clearance measurements for Goshawk cars with deflated and inflated tyres. | ||
| View original record | X3602 Roy. from Hs/TMW. JACKS FOR GOSHAWK CARS. X4050 X3602 Referring to your Roy/GEA2/AG10.3.22. The minimum clearance, that is with tyres deflated, is 7 1/2", this being taken at designed position… | ||
| scan0013 | The importance of tyre pressures for Goshawk-11 cars. | ||
| View original record | Roy. from EP. c. to Wd. X3602 EP3/LG19.4.22. Re. TYRE PRESSURES FOR TYRES FITTED TO GOSHAWK-11 CARS. X.3602 X 353P We find that the tyre pressures on these cars are of vital importance to the running… | ||
| scan0014 | Letter to the Dunlop Tyre Company regarding a dispute over recommended tyre pressures. | ||
| View original record | COPY. DUNLOP TYRE COMPANY. On the 32 X 4 1/2 S.S. tyres you have lately supplied us with, there is moulded in the cover - "Keep inflated to 70 lbs. pressure - Load 1200 lbs." We should like to point… | ||
| scan0015 | The performance and safety advantages of straight-sided Dunlop cord tyres compared to clincher pattern types. | ||
| View original record | X3602 BJ. from Hs. c. to H. c. to BY. c. to EP. Hs1/LG28.4.22. STRAIGHT-SIDED DUNLOP CORD TYRES AND RIMS. X3602 X4219 We attach extract from our original report ref. Hs1/LG19.3.20 regarding the… | ||
| scan0016 | Safety test report comparing Stanwell, Goodyear, and Firestone demountable rims and straight-sided tyres. | ||
| View original record | COPY. Extract from Hsl/LG19.5.20. RE. DEMOUNTABLE RIMS AND STRAIGHT SIDED TYRES. Extract:- ---------- Safety. We have carried out tests on the road with these three rims by fitting on a cover with a… | ||
| scan0017 | Standardizing Goodyear demountable rims on English and American chassis. | ||
| View original record | contd:- -2- Goodyear rim is also an advantage because the Dunlop people in England have adopted the Goodyear rim and are laying down a plant to make their wheels with these rims over here. It would be… | ||
| scan0018 | The failure and poor performance of Belgrave tyres fitted on a Goshawk-11 vehicle. | ||
| View original record | X3602 Roy. from Hs. c. to EP. Hs3/LG7.6.22. TYRES FOR GOSHAWK. X3602 X4345 We give below an extract from a letter we have received from Hy. re. Belgrave tyres fitted on 7-Goshawk-11. -------- The… | ||
| scan0019 | Request for five Dunlop complete tyres for a 20 HP car. | ||
| View original record | Wd. from Hs. X3602 Hs2/LG18.7.23. Will you please supply us with - 5 Dunlop complete tyres for 20 HP. Car 32 X 4½. X3602 X3035 Hs. | ||
| scan0020 | Alterations to tyre types, proposing larger, more supple tyres with lower air pressure. | ||
| View original record | Y3602 TO BJ. OY. ) CJ. HS. ) BY. EP. } from R. ROY. ) R2/M15.8.23. ALTERATIONS TO TYRES. X.4565 X.3895 X3602 I learn from OY. that the tyre makers in U.S.A. are proposing to increase the size of the… | ||
| scan0021 | Preference for a 6-inch measurement over a 7-inch one for safety. | ||
| View original record | z contd:- -2- I should prefer the safer policy of first using 6" as I fear 7" may be going too far. R. | ||
| scan0022 | Discrepancy in recommended tyre pressures for a 20 HP chassis. | ||
| View original record | 35 & 40 lbs 40 X3602 Hs. BY28/H. 27. 5. 24. 20 HP. CHASSIS. TYRES. In connection with 20 HP. chassis tyre pressures, we have recommended in our Book 50 lbs. for the rear and 45 lbs for the front.… | ||
| scan0023 | On optimal tyre pressures for various chassis types and performance feedback for Dunlop. | ||
| View original record | Y3602 To EY. from Hs. Hs3/LG28.5.24. X3602 X1238 X3538 20 HP. CHASSIS TYRES. Referring to your BY28/H27.5.24. All our experimental covered cars are run with 45 lbs. in the front tyres and 50 lbs.… | ||
| scan0024 | Chasing a previous request for information on tyre mileage for car 5G-11, as Dunlop is pressing for a settlement. | ||
| View original record | S to W Hs X3602 C/Bk3/LH29/10/24. Re 5G-11. Beatonson Body. Our memo. C/Bk5/LH20/10/24. ----------- With reference to our request for information as to the mileage of the tyres fitted to the above… | ||
| scan0025 | Letter from Dunlop Rubber Co Ltd. following up on tyre sets supplied for testing on cars. | ||
| View original record | Telegraphic Address, "DUNLOPS, BIRMINGHAM". Telephone No. CENTRAL 4108. Registered Offices, DUNLOP HOUSE, I, ALBANY ST. LONDON, N.W.I. BY APPOINTMENT DUNLOP RUBBER CO LTD Founders of the Pneumatic… | ||
| scan0026 | Letter to Dunlop Rubber Co. Ltd. regarding tyre testing and issues with high speed steering wobble. | ||
| View original record | X3602 Hs4/LG. The Dunlop Rubber Co. Ltd., Fort Dunlop, Erdington, Birmingham. 15th. April 1925. Dear Sirs, For the attention of Mr. A. W. Hyde. Dev. Dept. EHS/KS. Referring to your letter of the 1st.… | ||
| scan0027 | Standardization of larger petrol tank sizes in preference to auxiliary tanks. | ||
| View original record | To R. from Bn. c. to CJ. c. to By. c. to Da. c. to D. for BP. X.3637 Bn6/W2.7.19. RE PETROL TANK. X.3457 With reference to the recent decision at the Conference held in London on June 19th to the… | ||
| scan0028 | Redesign of a 20-gallon petrol tank and proposing a significant capacity increase. | ||
| View original record | To BN. from EH. X. 3637. X. 3451. RE 20 GALLON PETROL TANK. I should like to raise the following points in connection with this tank. The present tank we use on the car, if filled right up to the top,… | ||
| scan0029 | Policy decision to standardize a 20-gallon petrol tank over a larger 25-gallon alternative. | ||
| View original record | R.R 235 a (100 T) (S.F. 575, 16-4-19) G. 2354 X.3637. Bn7/W20.8.19. To Hs. from Bm. c. to R. c. to Da. c. to By. X.3451 RE 20 GALLON PETROL TANKS X.3637. With reference to EH4/LG19819, I think it is… | ||
| scan0030 | Capacity and potential redesign of a 20-gallon petrol tank for a 40/50 HP car. | ||
| View original record | X.3637 To BN. from R. Copy to CJ. " " EH. " " EFC. " " DA. 666 X.3451 RE 20 GALLON PETROL TANK ON PRESENT 40/50 H.P. CAR. (40/50 is struck through) I find that the tank on 1 EX. does not appear to… | ||
| scan0031 | Whether to build a 20-gallon petrol tank and when to incorporate improvements for it. | ||
| View original record | R.R. 235 n (200 T) (S F. 674. 22-5-19) G. 2376 X.3637. To By. From Bn. (Strikethrough)C. to Hs.(Strikethrough) X.3614 X.3457 (Strikethrough)c. to Hs.(Strikethrough) Ck. c. to Da. Bn2/W30919. RE 20… | ||
| scan0032 | Request for new, portable chassis templates to test rear axle and wing clearances on the Goshawk. | ||
| View original record | X.4567 Extract from Da/Ev3/M5.12.22. X.4219. (6) 20 HP. CHASSIS TEMPLATES X.4567. Sales are in need of templates for testing the rear axle and wing clearances on the Goshawk. Will Derby please set out… | ||
| scan0033 | Cover page for experiment X.332, which arose from experiment X.93. | ||
| View original record | X.332 This experiment arose out of X.93 Watermark: DICKINSON BOND 1804 MADE AT CROXLEY Bottom right corner text: R.R. 925A (100 B)(FP 724 11.B13) G 4294. | ||
| scan0034 | Departmental memo regarding an unsatisfactory singing noise from the double type throttle during testing. | ||
| View original record | R.R. 475 (100 H) (PP 645. 27.2.13) E.P 3712 ROLLS-ROYCE LIMITED, NIGHTINGALE ROAD, DERBY. TELEGRAMS: "ROYCAR," DERBY. TELEPHONES: 476 (FOUR LINES). DEPARTMENTAL MEMO. X332 This column is for Name of… | ||
| scan0035 | Requesting an investigation into two different throttle designs and halting car deliveries until a definite cure is found. | ||
| View original record | R.R. 475 (100 H) (PP645. 27.2.13) E.P 3712 ROLLS-ROYCE LIMITED, NIGHTINGALE ROAD, DERBY. TELEGRAMS: "ROYCAR," DERBY. TELEPHONES: 476 (FOUR LINES). DEPARTMENTAL MEMO. This column is for Name of Person… | ||
| scan0036 | Throttle diaphragm, requesting a comparison of the original part against standard practice. | ||
| View original record | AW/SM7/L14413 Re Throttle Diaphragm - X.332. Mr Hives 14-4-13 We attach herewith copy of Mr Platford's memo EP6/W12413. We shall be glad if you will do as Mr Platford suggests and endeavour to obtain… | ||
| scan0037 | Instructions to investigate a singing and ringing noise in the carburettor caused by the throttle diaphragm. | ||
| View original record | R.R. 300. (6 B) (P.P. 332. 23.12.12) G. 4081. ROLLS-ROYCE LIMITED. Mr Worrall. INSTRUCTIONS. To Mr Hives & Mr Nalden Order No. Customer's No. Re Will you please report to D.O. on the following points… | ||
| scan0038 | Urgent request for a report on the causes and solutions for a singing/ringing throttle diaphragm in a standard carburettor. | ||
| View original record | R.R. 300. (6 B) (P.P. 332. 23.12.12) G. 4081. ROLLS-ROYCE LIMITED. 10254 E. IN Womada INSTRUCTIONS. To Mr Hives. & Mr Olley Order No. Customer's No. X332 Re Will you please report to D.O. on the… | ||
| scan0039 | Departmental memo discussing experiments, tests, and findings related to a throttle diaphragm. | ||
| View original record | R.R. 348 B (100 H) (P.P. 305 17.12.12) G. 4062. DEPARTMENTAL MEMO. X332 Issued 17 Apl 13. This column is for Name of Person addressed. Mr Wormald Mr Radin DATE. Throttle Diaphragm X332. In reply to… | ||
| scan0040 | Replies and tests regarding a throttle diaphragm issue. | ||
| View original record | AW/SM5/L17413 Re Throttle Diaphragm - X.332. Mr Elliott 17-4-13 Mr Dalley In reply to your instruction sheet 10254 (16/4/13) Mr Haldenby replies to:- Question 1. "This is a matter for experiment. We… | ||
| scan0041 | 'singing' noise from diaphragms, concluding it is an adjustment issue not a design flaw. | ||
| View original record | Mr Wormald X332V 17/4/13 Re attached sheet. The whole trouble with these diaphragms seems to be the amount of lap is not the same on all throttles. When we were experimenting with these originally we… | ||
| scan0042 | 'singing' issue with the throttle diaphragm, concluding it's a matter of adjustment. | ||
| View original record | AW/SM2/L19413 Re Throttle Diaphragm. - X.332. Mr Elliott Mr Dalley 19-4-13 In further reply to your instruction sheet 10254 (16/4/13) Mr Hives replies as follows :- "The whole trouble with these… | ||
| scan0043 | Mr. Royce's requested alterations to the chassis tool kit and its contents. | ||
| View original record | X. 3634. Extract from E9/G21/8/19. RE CHASSIS 1 EX. - GENERAL NOTES. I am directed by Mr. Royce to send you information concerning the following points which we would like altered:- (3) TOOL KIT AND… | ||
| scan0044 | Query to Mr. Royce regarding the design and use of spanners and file handles in a tool kit. | ||
| View original record | A 100 T; (S F. 575. 16-4-19) G. 2354 be comfortably held in the hand, and as it is only for emergency use, need have no allowance for wear on its length. Would you please send information to Mr. Royce… | ||
| scan0045 | Suggestion from Mr. Royce for a new taper reamer design to create a stepped hole. | ||
| View original record | X 4143 E6/G4.6.20. To Ws. from E. Copy to CJ. " " Wor. " " By. " " EFC. X.4143. RE TAPER REAMER. In accordance with Mr. Royce's wishes I send you as follows, a suggestion which he has made for a taper… | ||
| scan0046 | Design and testing of experimental reamers and the advantages of a left-hand taper tap. | ||
| View original record | To WS. from E. -2- E6/G4.6.20. Contd. The left hand flutes should be strictly at right angles to the threads to avoid obtuse cutting edges. The reamer should be sharpened by grinding the fronts of the… | ||
| scan0047 | Comparison of particulars from two R.A.C. tests between a Napier and another 6-cylinder vehicle. | ||
| View original record | [Handwritten top right]: Speed & Ref Trial [Handwritten left margin]: X789 Particulars of two R.A.C. Tests. | | 6-cylinder Napier | 6-cylinder Rolls-Royce | Remarks. | |---|---|---|---| | Route taken… | ||
| scan0048 | Comparison table of performance metrics from two R.A.C. tests, one for a Napier and one for a Rolls-Royce vehicle. | ||
| View original record | Particulars of two R.A.C Tests. 6-cylinder Napier 59.9 h.p. R.A.C. Rating. 6-cylinder Rolls-Royce 48.6h.p. R.A.C.Rating. Route taken: London to Lands End to John O'Groats to Edinburgh and back to… | ||
| scan0049 | Comparative data sheet of two R.A.C. tests between a Napier and a Rolls-Royce vehicle. | ||
| View original record | Particulars of two R.A.C Tests. [Column 1: Parameters] Route taken Petrol consumption Speed on Brooklands Windage Total weight with} passengers Gear Ratio Bore and stroke of} engine R.A.C. rating… | ||
| scan0050 | Performance comparison between a Napier Car and a 40/50 model. | ||
| View original record | Particulars of performance of Napier Car. Petrol consumption 23.9 m.p.g. 53.2 ton m.p.g. Speed on track 77.1 m.p.h. Windage 10.3. sq.ft. Weight without passengers } 4,369 lbs. Total weight with… | ||
| scan0051 | Departmental memo suggesting the inclusion of the 1912 Monte Carlo Rally victory in the new Instruction Book. | ||
| View original record | R.R. 476 (50 H) (X 222. 23.1.12). E.P. 1077. ROLLS-ROYCE LIMITED, 14-15, CONDUIT STREET, LONDON, W. TELEGRAMS: "ROLHEAD," LONDON. TELEPHONES: 1654, 1655, 1656 GERRARD. DEPARTMENTAL MEMO. This column… | ||
| scan0052 | Typewritten list of performance metrics including consumption, speed, weight, and gear ratio. | ||
| View original record | Petrol consumption 23.9 Speed on track 77.1 Wind area 10.3 Weight without passengers 4.369 Weight with passengers 4.990 Gear ratio 3 to 1. Our speed 78.26 Petrol consumption 24.32 [Text in left… | ||
| scan0053 | Promotional letter from The Victor Tyre Co. Ltd. about their 'Victor Vest' tyre accessory. | ||
| View original record | X.2643 Bn I think we might try these at bombs 2785 TELEPHONES 2786 VICTORIA. FACTORY: TELEPHONE 125 SOUTHALL. [STAMP: Clock face with date 1919 and text 'EN.'] CONTRACTORS TO ROYALTY ADMIRALTY H.M.… | ||
| scan0054 | The potential use of Victor Tyre Co. products. | ||
| View original record | To Hs. from Bn. c. to Ck. X.3643 Bn27/W23919. Please see attached letter and Pamphlet from the Victor Tyre Co., dated August 27th., and CJ's remark. I think it is desirable that we should use these… | ||
| scan0055 | Typed request to order two Victor Vests to suit specific covers, with an attached pamphlet. | ||
| View original record | To Mr. Mills C.O. from EH. * X.3643 EH7/LG25.9.19. 25th. Sept. 1919. Will you please order 2 Victor Vests to suit Covers 895 x 150. Attached herewith is phamplet with reference to these Vests. EH. | ||
| scan0056 | The design of post-war chassis, including hydraulic dampers, tyre sizes and the fitting of bodies for testing. | ||
| View original record | X 3044 X.2565 - Post-war chassis -9- R6/W3.10.16. Contd. difficulty to make it maintain full of oil. I have a scheme for fitting such a hydraulic damper which I believe can be made to fulfil exactly… | ||
| scan0057 | Outlining component specifications including tyres, valves, pistons, camshaft, clutch, and starter switch. | ||
| View original record | Y.C.A. RE/BN. 5.14 them fitted this way, and is quite a remarkably comfortable car to ride in at the back. X.3044 It will not be necessary for my purpose to fit over-size tyres, and I should leave… | ||
| scan0058 | Feasibility of fitting oversized 150mm section tyres onto standard wheels for the 40/50 chassis. | ||
| View original record | R.R. 235 B(200 T) (S.F. 103, 25-10-18) G. 2244 EH. from BY. X3044 U. 40/50 CHASSIS. RE TYRES. Mr Royce is asking us to make an 895 x 150 mm tyre standard for all 4 wheels where the single tyres are… | ||
| scan0059 | Clarifying Mr. Royce's wish to standardise the 150mm tyre for the 40/50 chassis. | ||
| View original record | EFC. from BY. BY10-P.24.2.19. February 24. 1919. 40/50 CHASSIS. RE STANDARDISATION OF TYRES. In Mr Elliott's memo El/G.19.2.19, of which I notice you were supplied with a copy, Mr Elliott makes the… | ||
| scan0060 | Requesting a report and weight information for tyres on the 40/50 chassis to create standardisation sheets. | ||
| View original record | To EH. from EFC. EFC1/AT26.2.19. X.3044.-RE TYRES FOR STANDARD CHASSIS. We have been requested to issue standardisation sheets for the 895 x 150 mm type tyre for the 40/50 chassis. To enable us to do… | ||
| scan0061 | Comparing the weights of a Rudge-Whitworth wheel and a Dunlop Wire Wheel for a standard chassis. | ||
| View original record | R.R. 235 B (200 T) (S.F. 103. 25-10-18) G. 2244. To EFC. from EH. X.3044. EHL/LG6.3.19. 6th. Mar. 1919. With reference to tryes for standard chassis, the weight of a Rudge-Whitworth detachable wheel… | ||
| scan0062 | Standardisation proposal for 895mm x 150mm tyres to replace the 895mm x 135mm tyres on the 40/50 chassis. | ||
| View original record | R.R. 755 (5 H) (S.A. 325. 25-2-15) G. 0961. STANDARDISATION OF CHASSIS PARTS. Description of Parts. 895mm x 150mm Tyres. Origin. Mr. Royce's Suggestion. Experimental Test Report. By10/P24219 Road Test… | ||
| scan0063 | Letter to the Experimental Department concerning an order for Dunlop Magnum Tyres and potential substitutions. | ||
| View original record | R.R. 235 E(200 T) (S.F. 103, 25-10-18) G. 2244 X.3044 Mr Hives. (Experimental Dept) Wd/Dn3/HP31319. 31st March.1919. We attach herewith copy of a letter which has just come to hand from the Dunlop… | ||
| scan0064 | Letter from the Dunlop Rubber Co. regarding an order for Magnum type tyres and offering alternatives. | ||
| View original record | R.R. 235A (500 T) (S.D. 408. 26-4-17.) Bm. 2/156/13. COPY OF LETTER FROM:- THE DUNLOP RUBBER CO. Aston Cross, BIRMINGHAM. March. 27th. 1919. Messrs. Rolls-Royce Ltd., Nightingale Road, DERBY. Dear… | ||
| scan0065 | Letter from Dunlop Rubber Co Limited regarding a delay in the supply of Magnum Tyres to order CH.641. | ||
| View original record | R.R. 235A (500 T) (S.D. 408. 26-4-17.) Bm. 2/156/13. COPY OF LETTER FROM:- THE DUNLOP RUBBER CO LIMITED., Aston Cross, BIRMINGHAM. 18th March.1919. Messrs Rolls-Royce Ltd., Nightingale Road, DERBY.… | ||
| scan0066 | The selection and cost of 895 x 150 mm tyres, and a discussion about the new Dunlop Magnum tyre. | ||
| View original record | C/J. X. 3044 EFC Derby C13/C2.4.19. [Stamped] RECEIVED 3 APR 1918 Re 895 x 150 mm Tyres. ----- With reference to the attached, I quite agree that we should fit these. I notice that on the Sheet, in… | ||
| scan0067 | Standardisation sheets for tyres and improved epicyclic gear for seaplanes and flying boats. | ||
| View original record | RR 235 B (200 T) (S. F. 163. 25-10-18. G. 2244) X.3044 EFC8/T7.4.19. To R. from EFC. c. to CJ c. to BY c. to Wor. c. to EP. X.3044 - 895mm x 150mm. Tyre. X.3372 - Improved epicyclic gear with friction… | ||
| scan0068 | Report on Dunlop Tyres and instructions for returning a cover. | ||
| View original record | To Mr. Mills from EH. X.3044 EH2/LG8.4.19. 8th. April 1919. Attached herewith is a report on Dunlop Tyres which we would like you to forward on to the Dunlop Tyre Co. We have sent into the Stores,… | ||
| scan0069 | Return of a faulty Dunlop Magnum Tyre which burst after 3,160 miles. | ||
| View original record | 8.4.19. DUNLOP MAGNUM TYRES. We are returning to Messrs Dunlop 1 Magnum Tyre which we have had burst after running 3,160 miles. We suggest returning this to Dunlop's because of the appearance and we… | ||
| scan0070 | To Mr. Hives regarding a report on Dunlop Magnum Tyres sent to the Dunlop Rubber Co. | ||
| View original record | X.3044 Mr.Hives. Wd/GEA22/DK24419. 24th April.1919. In accordance with your memo EH2/LG8419 of the 8th inst., we sent your report to the Dunlop Rubber Co, regarding Dunlop Magnum Tyres, and have… | ||
| scan0071 | Letter from Dunlop Rubber Co. concerning the failure and stretching of Magnum type tyres. | ||
| View original record | COPY FROM:- Messrs Dunlop Rubber Co, Ltd., Aston Cross, BIRMINGHAM. 17th April.1919. TO:- Messrs Rolls-Royce Ltd., Nightingale Road, D E R B Y. Dear Sirs, YOUR REFERENCE Wd/GEA240/DK10419 - MAGNUM… | ||
| scan0072 | Burst Dunlop Magnum Tyre that failed prematurely after 1950 miles, requesting its return to the manufacturer for an explanation. | ||
| View original record | To Mr. Mills. From EH. X.3044 EH1/LG7.5.19. 7th. May 1919. We have sent into the Stores 1 Dunlop Magnum Tyre. This tyre burst after 1950 miles. We should like you to return this to Messrs. Dunlop and… | ||
| scan0073 | Complaint about a Dunlop Grooved Cover that burst after 650 miles, with a request for a replacement at a reduced price. | ||
| View original record | R.R. 235 E(200 T) (S.F. 103, 25-10-18) G. 2244 To Mr Mills O.O. from EH. X 3044 z EHL/LG16.5.19. 16th. May 1919. We have sent into the Stores 1 Dunlop Grooved Cover 895 x 150 which has burst after 650… | ||
| scan0074 | Poor mileage and bursting issues with Dunlop tyres, and the effect of suspension and road conditions on performance. | ||
| View original record | To R. from EH. c. to CJ. c. to Bn. c. to E. c. to BY. c. to Da. RE DUNLOP TYRES X. 3044. We are sending to you today 1 Dunlop Cover 895 x 135. We have had this tyre fitted to a wheel here so it should… | ||
| scan0075 | To Mr. Hives regarding the availability of specific tyre sizes from Palmer and Dunlop. | ||
| View original record | R.R. 235A (500 T) (S.D. 408. 26-4-17.) Bm. 2/156/13. X.3044 Mr. Hives. Wd/W2/R9619. June 9th 1919. X.1768 X 3044 Re memo attached. The Palmer people do not list 895 x 150 tyres and we have written to… | ||
| scan0076 | Tyre preferences for the 40/50 HP Muhlenkamp chassis. | ||
| View original record | To CJ. from R. c. to C. c. to BJ. c. to Wor. c. to Bn. c. to EH. c. to BY c to Da.. RE 40/50 H.P. CHASSIS - TYRES. MRA MUHLENKAMP - C6/H30/5/19. X.3044. I am quite in agreement with the practice of… | ||
| scan0077 | To Mr. Hives regarding a complaint about Dunlop Magnum Tyres and an offer of replacement from the manufacturer. | ||
| View original record | X 3044 Wd/GEA2/DK.1.8.19. Mr.Hives. ------------ RE DUNLOP MAGNUM TYRES. With reference to two of the above covers complained of by you in April and June of this year. We have now received a report… | ||
| scan0078 | Effects of using mismatched tyre sizes on the differential and proposing a 10,000-mile test. | ||
| View original record | COPY R.R. 235 B (200 T) (S.L. 64, 22-5-19) G. 2376 <3044 To BN. from R. Copy to CJ. R7/G1/9/19. RE TYRE SIZES FOR PRESENT 40/50 H.P. CHASSIS. With reference to tyres, the views put forward in your… | ||
| scan0079 | Recommended tyre sizes for the 40/50 HP chassis and policy for customer requests. | ||
| View original record | COPY. To R. from Bn. Copy to CJ. C. WP. X3044 Bn4/W28819. RE TYRE SIZES FOR PRESENT 40/50 H.P. CHASSIS. You will remember that we are adopting as standard 895 by 150 for the rear wheels and 895 by 135… | ||
| scan0080 | Using different tyre sizes on the 40/50 HP chassis and testing the potential impact on the differential. | ||
| View original record | R.R. 235 A (100 T) (S F. 575. 16-4-19) G. 2354 X3044 To BN. from R. c. to CJ. R7/G1.9.19. ________________ X.3647. X.3044. RE TYRE SIZES FOR PRESENT 40/50 HP. CHASSIS. ________________ With reference… | ||
| scan0081 | Issue with tyres fouling the mudguard on an experimental car. | ||
| View original record | X3044 To Bn. from CJ. c. to EP. c. to Hs. X.3743. X.3044. CJ9/D 22.1.20. (2EX) The tyres on the experimental car foul the mudguard in going over bumps. This surely should not occur and is not a good… | ||
| scan0082 | Responding to complaints about a test car, regarding shock absorbers fouling a luggage carrier and tyres fouling mudguards. | ||
| View original record | X3044 CJ. from Hs. c. to Bn. c. to Wor. Hs5/LG23.1.20. X.3044. X.3461. X.3507. X.3743. - 10,000 MILES TEST CAR. With reference to your complaints on this car with regard to shock absorbers fouling… | ||
| scan0083 | Road stability issues, test results, and planned modifications for the London Trials Car. | ||
| View original record | R.R. 235 A (100 T) (S.F 846 6-S-19) G. 2460 X.3044 From PN. from CJ. c. to R. c. to Bn. c. to Hs. c. to EP. PN5/DB23.1.20. X.9631 X.3461. X.3612. X.3044. X.3922. LONDON TRIALS CAR. In reply to your… | ||
| scan0084 | Handling of a car at high speeds, specifically regarding shock absorbers and comparisons to other vehicles. | ||
| View original record | R R. 235 A (100 T) (S.F 846 6 8-19) G. 2460 Contd. -2- PN5/DB23.1.20. I will make a point of trying this car myself under varying conditions that is :- withwithout shock absorbers and I will also… | ||
| scan0085 | Letter regarding supplies of Magnum Rubber Studded Tyres from the Dunlop Rubber Co. | ||
| View original record | X3044 Hs. c to EP c to Hm. Wd/W3/R5.2.20. Feb 5th 1920. We attach herewith a copy of a letter received from the Dunlop Rubber Co, regarding supplies of Magnum Rubber Studded Tyres. Wd. hw | ||
| scan0086 | Circular letter from Dunlop Rubber Co. Ltd. to manufacturers regarding the availability of Magnum type tyres. | ||
| View original record | C O P Y. From:- DUNLOP RUBBER CO.LTD., ASTON CROSS, BIRMINGHAM. February 2nd,1920. TO MANUFACTURERS ONLY. Dear Sirs, Pneumatic Motor Tyres. Magnum Type - All Rubber Non-skid Pattern Tread. We have… | ||
| scan0087 | Extract from a report detailing multiple tyre failures during a journey from Avignon towards Paris. | ||
| View original record | X.3044 4/3/20 Extract from REPORT ON 2.EX. Sunday. Feb . 29th. Left Avignon en route for Paris and when about 23 miles out a Dunlop steel studded cover blew off the rim ( rear wheel.) A new tube was… | ||
| scan0088 | Report extract detailing vehicle maintenance and issues with Dunlop tyres blowing off rims, leading to a decision to fit Michelin tyres. | ||
| View original record | X.3044 X.3743 Extract from REPORT. ON 2.EX. (Text in left margin) X.3044 V98Y. Tuesday. march 2nd. At Paris Depot where I had the car washed and oiled round. Fresh oil put in the engine. The T joint… | ||
| scan0089 | Request to check a statement regarding American tyres by referencing an attached document. | ||
| View original record | Hs. from EY. C to E.F.C. X 3044 COPY. BY4/P20.5.20. RE TYRES. X.3044 X.3895 We attach herewith copy of D/Sn13/AW4.5.20, and should be pleased if you can check this statement from American tyres we may… | ||
| scan0090 | Comparison of Dunlop and American tyre sizes. | ||
| View original record | COPY. RE TYRES. BY. D/Sn13/AW4.5.20. We are advised by Sales Department that Mr. Schuette has written them saying he has compared the Dunlop 895 x 150 tyres, as shipped on a recent chassis, with their… | ||
| scan0091 | Customer's car, covering engine guard fitting and analyzing causes for poor tyre mileage, namely overloading and fast driving. | ||
| View original record | R.R. 245 (50 H) (P.P. 498. 31/I/13.) Bm. J. 720. 1316. ->COPY<- Re Mrs Cohen - 1992. X917 D. 13.9.13. I have seen this owner with reference to the attached. As regards the heat, Mrs Cohen has decided… | ||
| scan0092 | Technical letter discussing tyre issues with different brands, the potential fitting of twin wheels, and spring compatibility questions. | ||
| View original record | R.R. 245 (50 H) (P.P. 498. 31/x/13.) Bm. J.720.1316. -2- surface that had been in contact with the cover had completely perished. The driver says he cannot bear his hands on the tyres after a run. I… | ||
| scan0093 | Postscript detailing customer feedback from Mrs. Cohen regarding her car, her delight, tyre troubles, and fears of it catching fire. | ||
| View original record | R.Rs 245 (50 H) (P.P. 498. 31/x/13.) Bm. J.720.1316. -3- P.S. Mrs Cohen says she is highly delighted with the Car, except for the tyre trouble, and considers it is the best Car in the world. She said… | ||
| scan0094 | Advertisement for Continental Oversizes tyres featuring a testimonial letter from S. F. Edge. | ||
| View original record | Britain's foremost Motorist Mr. S. F. Edge President of The Society of Motor Manufacturers & Traders, Ltd says: TELEPHONE No. 1563 Gerrard. 7, HERTFORD STREET, MAYFAIR. W. October 9th, 1913. Paul… | ||
| scan0095 | Letter from the Continental Tyre & Rubber Co. promoting their 'OVERSIZE' tyres and inviting recipients to their stand at the Olympia Show. | ||
| View original record | OLYMPIA SHOW, 1913 Telegrams: "PNEUMIQUE, SOUTHKENS, LONDON." Telephone: 4340 KENSINGTON (12 lines) A.T. 3 & 4, THURLOE PLACE, S.W. Handwritten note: W.W. ought we not to reply to them - No complaint… | ||
| scan0096 | Advertising leaflet for the Continental 'Uko' Tyre Lever. | ||
| View original record | 2 Protect your Tubes by using the Continental “Uko” Tyre Lever C. & G. P. Co. H. Continental Tyre and Rubber Co. (Gt. Britain) Ltd. 3/4 Thurloe Place, LONDON, S.W. 5133 | ||
| scan0097 | Instruction and price sheet for the Continental 'Uko' tyre lever tool. | ||
| View original record | The Continental “Uko” Lever consists of the lever a, similar to our well-known lever No. 2, tyre hooks b, and rim notch ba The most common form of injury to the Tube, that of “nipping” during the… | ||
| scan0098 | Internal request to obtain and test different sizes of Continental Tyres for harshness and their effect on car rattle. | ||
| View original record | R.R. 647 (100 H.) (L.L. 194.—15-7-13.) B. & H. 519. ROLLS-ROYCE LIMITED, 14 & 15, CONDUIT STREET, LONDON, W. TELEPHONES: 1654, 1655, 1656 (Gerrard) TELEGRAMS: 'ROLHEAD,' REG., LONDON. Names and… | ||
| scan0099 | Internal order to test Continental over-size tyres on experimental cars. | ||
| View original record | Wor/SM7/L131113. Re Continental over-size Tyres. X.917 Order 13-11-13. Office. Mr Johnson wishes us to make a test of the above. Will you kindly place an order therefore for several sets to be fitted… | ||
| scan0100 | Ordering different sizes of Continental over-size tyres for testing purposes. | ||
| View original record | ROLLS-ROYCE LIMITED, NIGHTINGALE ROAD, DERBY. TELEGRAMS: "ROYCAR," DERBY. TELEPHONES: 476 (FOUR LINES). Wor/SM1/1171113. Names and Indicating letter. Initial of person addressed. Re Continental… | ||
| scan0101 | Internal order for five Continental oversize tyres of size 935 x 150. | ||
| View original record | WOR/SM11/M201113. Na. Order Office. Continental oversize tyres. X917. Please order five of the above to the size 935 x 150, three of these to be plain tyres, and two steel studded. p.Wor. | ||
| scan0102 | Request to test newly obtained Continental over-size tyres on experimental cars. | ||
| View original record | R.R. 235A (150 H) (V.V. 27.7.11.13) G. 0161. Wor/SM3/L261113. Re Continental over-size Tyres. X.917 Hy. 26-11-13. At Mr Johnson's request we have obtained 10 Continental over-size tyres:- 3. 895 X 150… | ||
| scan0103 | The performance and fitment of Continental over-size tyres. | ||
| View original record | R.R. 235A (150 H) (V.V. 27.7.11.13) G. 0161. Wot Wor/Hy12/L151213. Dec.15th.1913. Continental Over-size Tyres. We have two sets of these fitted to cars and in use. One set is 895 X 150 and fitted on… | ||
| scan0104 | Internal inquiry regarding the testing of oversized Continental tyres. | ||
| View original record | R.R. 647 (100 H.) (L.L. 194.—15-7-13.) B. & H. 519. ROLLS-ROYCE LIMITED, 14 & 15, CONDUIT STREET, LONDON, W. TELEPHONES: 1654, 1655, 1656 (GERRARD) TELEGRAMS: 'ROLHEAD,' REG., LONDON. Names and… | ||
| scan0105 | Complaint log detailing a customer's issues with tyre wear and engine heat, and the company's response. | ||
| View original record | R.R. 256. (5 Hs.) (VV. 132. 27/11/13.) Bx. 7203366 G/COM4/HA14114. F.R. COMPLAINT. x914. Mr. Johnson. January 14th, 1914. 1913. Re Mrs. Cohen - Chassis No. 1992. September 5th. Customer writes W. that… | ||
| scan0106 | Continued complaint log regarding Mrs. Cohen's tyre issues and the internal discussion on how to resolve them. | ||
| View original record | -2- COMPLAINT. Mr. Johnson. January 14th, 1914. Re Mrs. Cohen - Continued. 1913. of Prowodniks to the rear wheels, and when these burst she is going to let him know if the mileage is more… | ||
| scan0107 | Follow-up on a customer complaint from a Mrs. Cohen regarding tyres, with a suggestion to have her approach the manufacturer directly. | ||
| View original record | -3- R.R. 256. (5 H.) (VV. 132. 27/11/13.) Bm. 7203366 COMPLAINT. Mr. Johnson. January 14th, 1914. 1914. Re Mrs. Cohen - (Continued). satisfactory results. They have tried Michelin twin wheels and find… | ||
| scan0108 | The testing of 895x150 and 935x150 oversize Continental tyres. | ||
| View original record | From Exp. Dept. Copies for:- J. R. Na. C. Wor/SM15/016114. 16th., January 1914. Report on Test of 895x150 and 935x150 Oversize Continental Tyres. X.917. One set of 4 tyres of each of the above sizes… | ||
| scan0109 | Internal query regarding the effect of oversized tyres on the vehicle's turning circle and steering lock. | ||
| View original record | R.R. 657. (100H) (VV.88. 19.11.13) E.P. 5408. ROLLS-ROYCE LIMITED, NIGHTINGALE ROAD, DERBY. TELEGRAMS: 'ROYCAR,' DERBY. TELEPHONES: 476 (FOUR LINES). Names and indicating letter. Initial of person… | ||
| scan0110 | Inquiry about fitting Continental over-size tyres to an overweight chassis that has experienced poor results with other tyre brands. | ||
| View original record | Wor/SM7/L22114. X914 Hy. 22-1-14. Chassis 1992 - weight over 47 cwts - has been reported as being very destructive on tyres. Mr Johnson wishes to know whether we can recommend Continental over-size… | ||
| scan0111 | Internal memorandum regarding the fitment of over-size Continental tyres on existing rims. | ||
| View original record | R.R. 657. (100H) (VV. 88. 19.11.13) E.P. 5408. ROLLS-ROYCE LIMITED, NIGHTINGALE ROAD, DERBY. TELEGRAMS: "ROYCAR," DERBY. TELEPHONES: 476 (FOUR LINES). Wor/Mcr6/L23114. Names and indicating letter.… | ||
| scan0112 | Letter to a customer suggesting a trial of oversize Continental tyres to address tyre consumption issues on Car No. 1992. | ||
| View original record | R.R. 45 (50 H) (VV. I. 5/11/13.) Bm. 7203:65. 7 X914 WCR/COM11/030114 30th. January 1914. Mrs. Cohen, The Priory, St. Michaels, LIVERPOOL. Madam, Re Car No. 1992. With reference to the question of… | ||
| scan0113 | Page 2 of a letter to Mrs. Cohen concerning responsibility for the success of tyres. | ||
| View original record | WOR/COM11/030114. -2- 30th. Jan. 1914. Mrs. Cohen. the makers claim they have produced these tyres. At the same time we would like to make it clear that the responsibility for their success must rest… | ||
| scan0114 | Use of Continental over-size tyres and advocating for larger tyres due to poor road conditions. | ||
| View original record | C O P Y. COPY, To J. from R. Copy to Wor. Copy to C. Copy to Na. Hy 9214 R10/P 2. 2. 14. Continental Over-size Tyres. X.917. With reference to the over-size Continental Tyres, I am very much against… | ||
| scan0115 | Internal memorandum regarding a customer complaint about Continental oversize tyres. | ||
| View original record | R.R. 657. (100H) (VV.240. 17.12.13) E.P. 5598. ROLLS-ROYCE LIMITED, A.T. NIGHTINGALE ROAD, DERBY. TELEGRAMS : "ROYCAR," DERBY. TELEPHONES : 476 (FOUR LINES). Enclosure Names and Initial of person… | ||
| scan0116 | Destructive tyre wear on chassis 1992 and a proposal to fit oversized tyres. | ||
| View original record | Typed Text: 22-1-14. Chassis 1992 - weight over 47 cwts - has been reported as being very destructive on tyres. Mr Johnson wishes to know whether we can recommend Continental over-size tyres, and if… | ||
| scan0117 | Letter concerning the potential need for steering stop alterations when fitting Continental over-size tyres. | ||
| View original record | Wor/Mcr21/L3214. Re Continental over-size Tyres. X.917 Mr Plumpton. 3-2-14. In connection with your letter to the owner of 1992 recommending the use of these tyres, perhaps it might be as well to… | ||
| scan0118 | Turning circle tests performed with various over-size tyres. | ||
| View original record | From Exp. Dept. Copies for: J. R. Ha. C. Wor/Hy14/L9214. February 9th. 1914. Further report on Continental Over-Size Tyres. X.927. Various tests have been made to obtain the turning circle of a car… | ||
| scan0119 | Continental over-size tyres and the resulting reduction in steering lock. | ||
| View original record | Wor/Mcr13/L10214. Re Continental Over-Size Tyres. X.917 J. 10-2-14. R. Na. C. In connection with Mr Haldenby's previous report Wor/SM15/016114 Mr Johnson requested to know what the reduction in… | ||
| scan0120 | Internal memorandum inquiring about the performance of Continental Over-size tyres. | ||
| View original record | ROLLS-ROYCE LIMITED, 14 & 15, CONDUIT STREET, LONDON, W. TELEPHONES : 1654, 1655, 1656 (GERRARD) TELEGRAMS : "ROLHEAD," REG., LONDON. C12/C10214 Names and Indicating letter. Initial of person… | ||
| scan0121 | Copy of a letter from Michelin Tyre Co. Ltd. explaining their refusal to manufacture oversize tyres. | ||
| View original record | COPY of letter from The Michelin Tyre Co. Ltd., 81, Fulham Road, Chelsea, London, S.W. 13th February 1914. KM1/18. D.C1.T. Dear Sirs, We thank you for your letter of the 10th inst., ref. Na8/B, in… | ||
| scan0122 | Cost-benefit analysis of fitting Twin Tyres versus standard and oversize competitor tyres for heavy-bodied cars. | ||
| View original record | KM1/18. - 2 - 13th February 1914. size a set of four Square Tread Michelin tyres costs £29.16.0. To fit this rim our competitors offer the 895 x 150 oversize tyres, of which a set of four flat treads… | ||
| scan0123 | Letter from Michelin Tyres discussing the comparative costs and benefits of different tyre sizes and twin systems. | ||
| View original record | KM1/18. - 3 - 13th February 1914. actually less favourable to the 895 x 150, as it is an established fact that the running of tyres in pairs as in our twin system greatly increases the length of the… | ||
| scan0124 | Availability of over-size tyres from various suppliers like Columb, Michelin, and Dunlop. | ||
| View original record | Royce Re Over-size Tyres - X.917. J. for R. No13/B18214. c. to Wor. c. Hy. c. Mr Southern. With reference to Mr Royce's memo R10/P2214, enquiring whether over-size tyres could be obtained from any… | ||
| scan0125 | The merits of Continental over-size tyres versus twin tyres, focusing on interchangeability and safety. | ||
| View original record | COPY. To J. from R. Copy to Wor. Copy to Na. COPY. R3/P 23. 2. 14. Continental Over-size Tyres. X.917 With reference to the over-size tyres, I have no experience with twin tyres, but it always occured… | ||
| scan0126 | Letter from Dunlop Rubber Co. Ltd. concerning the supply and use of over size tyres. | ||
| View original record | C O P Y of letter from The Dunlop Rubber Co. Ltd., Aston Cross, Birmingham. Feb. 23rd 1914. Dear Sirs, We must apologise for delay in replying to your favor of the 11st inst, addressed to our… | ||
| scan0127 | Letter from the Dunlop Rubber Company regarding the strength and demand for oversize tyres. | ||
| View original record | (2) larger rim; the bead of the over size only corresponds with the bead of the smaller tyre, and therefore is not of the same strength as the normal size. A demand has been created for oversize… | ||
| scan0128 | Reply from the Dunlop Co. about over-size tyres. | ||
| View original record | Re Over-size Tyres. X.917. Na19/B27214. [strikethrough]E.J. for E.H.[/strikethrough] c. to Wor. e. to Hy. [strikethrough]c. to Mr Southern.[/strikethrough] Further to my memo No9/B16214 re the above… | ||
| scan0129 | Over-size Tyres, advising against considering them a new standard based on communications from Dunlop and Michelin. | ||
| View original record | COPY. COPY. To J. from R. Copy to Na. Copy to Wor. R14/P 5. 3. 14. Re Over-size Tyres. X.917 With reference to the Over-size Tyres, it appears from the Dunlop and Michelin communications, that we… | ||
| scan0130 | Letter from a driver, D.A. Apel, requesting advice on 'Prowodnik' and oversize tyres for a new car. | ||
| View original record | COPY. 42, Quarrendon St., Fulham. S.W. April. 1st.1914. Sir, I am driver to Mrs M.M.Hare and had some conversation with you last year at Littlestone on the matter of tyres. You were at the time… | ||
| scan0131 | Customer enquiry about oversize tyres and the need for a standard response. | ||
| View original record | R.R. 657. (100H) (V.V. 663. 9.3.14) E.P. 6166. ROLLS-ROYCE LIMITED, NIGHTINGALE ROAD, DERBY. TELEGRAMS : "ROYCAR," DERBY. TELEPHONES : 476 (Four Lines). Routing List: Names and Indicating letter.… | ||
| scan0132 | Advisability of using Continental Over-size tyres, citing tests, customer requests, and opinions from tyre manufacturers. | ||
| View original record | 2A (150 H) (V V. 581 12-3-14) G. 0414. Wor/Mcr8/B7414. Re Continental Over-size Tyres. X.917 J. 7.4.14. R. We frequently get requests from customers for our opinion on the advisability of using the… | ||
| scan0133 | Policy on tyre recommendations, considering over-size tyres, larger wheels, and twin wheels. | ||
| View original record | H.R. 224A (150 H) (V V. 681 12-3-14) G. 0414. Wor/McrS/B7414. -2- than using over-size tyres on a small rim. As a result of these letters Mr Royce wrote on 5.3.14 that we ought not to look upon these… | ||
| scan0134 | Use of twin tyres at the back to increase capacity, due to the difficulty of procuring larger section tyres. | ||
| View original record | R.R 235A. (150 H) (V.V. 782 27.3.14) G. 0442. COPY. To By. from R. Copy to J. Copy to Wor. Copy to Na. R5/P 21. 4. 14. Re LARGER TYRES. We believe that the only thing possible to do with reference to… | ||
| scan0135 | Alternatives for over-size Continental tyres on heavy cars, comparing twin rear wheels to larger diameter tyres. | ||
| View original record | R.R 235A. (150 H) (V.V. 782 27.3.14) G. 0442. COPY. R9/P 21. 4. 14. To J. from R. Copy to Wor. Copy to Na. Copy to Da. Continental Over-size Tyres. X. 917. There are two alternatives in tyres for… | ||
| scan0136 | Mr. Royce's opinion on the use of over-size tyres, recommending twin tyres as the only alternative for heavily laden cars. | ||
| View original record | Wor/Mcr5/B27414. Re Over-Size Tyres. X.917 Mr Plumpton. 27-4-14. In reply to your memo Wor/HS25/M6414, please note that I have taken this matter up with Mr Royce and he is of the opinion that the only… | ||
| scan0137 | Internal memorandum requesting advice on the feasibility of fitting twin wheels to a car. | ||
| View original record | R.R. 657. (100H) (WW. 373. 4.6.14.) E.P. 6736. ROLLS-ROYCE LIMITED, NIGHTINGALE ROAD, DERBY. TELEGRAMS: "ROYCAR," DERBY. TELEPHONES: 476 (Four Lines). Names and Indicating letter. Initial of person… | ||
| scan0138 | Use of over-size tyres versus twin wheels, particularly for heavy cars. | ||
| View original record | Wor/Mcrl3/L13714. Re Over-Size Tyres. Mr Plumpton. 13-7-14. I return herewith correspondence relating to tyres. I hope to be able to deal with this matter further at some future time, but at the… | ||
| scan0139 | Reconsideration and testing of over-size tyres for cars. | ||
| View original record | R.R. 235A (150 H) (W.W. 604. 15-7-14) G. 0702. Wor/Mcr2/B31714. RE OVER-SIZE TYRES. X.917 R. J. 31. 7. 14. We note that Mr. Royce in his memo RL/P 28.7.14 says that he is reconsidering the use of… | ||
| scan0140 | Arguments from tyre makers regarding standard versus over-size tyres and discrepancies in actual tyre dimensions. | ||
| View original record | R. 235A (150 H) (W. W. 604. 15-7-14) G. 0702. WoR/Mcr2/B31714. -2- upon these as a possible new standard." The arguments used by the tyre makers were that the standard size was the one adopted because… | ||
| scan0141 | Over-size tyres, their dimensions, availability, and a list of suppliers. | ||
| View original record | F.R. 235a (150 H) (W.W. 604. 15-7-14) G. 0702. -3- Wor/Mcr2/B31714. nominal size, so that each maker appears to have an actual size of his own, and that the over-size tyres are simply tyres made more… | ||
| scan0142 | The performance of different tyre types, seeking permission to recommend them as an alternative to standard tyres. | ||
| View original record | R. 235A (150 H) (W.W. 604. 15-7-14) G. 0702. -4- Wor/Mcr2/B31714. 4,000 miles on the rear wheels of the Demonstration Car; on the Experimental car 2 steel studded and 2 ribbed Continental over-size… | ||
| scan0143 | Size differences between English and American manufactured tyres, with specific brand measurements. | ||
| View original record | R.R. 657. (100H) (WW. 605. 15.7.14.) E.P. 6964. ROLLS-ROYCE LIMITED, NIGHTINGALE ROAD, DERBY. TELEGRAMS: "ROYCAR," DERBY. TELEPHONES: 476 (FOUR LINES). WOR/CP1J/T23914. Names and Indicating letter.… | ||
| scan0144 | The testing of various types of tyres on a bumping rig. | ||
| View original record | COPY. To Wor. for Hy. from R. Copy to J. " " Na. COPY. R2/181115. 1st January 1915. Re Testing of Tyres on Bumping Rig. Mr Johnson agrees that it would be worth while getting some solid tyres for our… | ||
| scan0145 | Calculation of the running costs for Dunlop tyres. | ||
| View original record | R.R. 1/S (20 H) (X 828. 12.4.19) G 2506. X990 Tyre Costs. 2 Dunlops. cost. £19. 38 Mileage 3500. Cost per mile 1.3d per mile. per tyre. .65. | ||
| scan0146 | Repair of Dunlop inner tubes. | ||
| View original record | R.R. 657. (100H) (VV. 88. 19.II.13) E.P. 5408. ROLLS-ROYCE LIMITED, NIGHTINGALE ROAD, DERBY. TELEGRAMS: "ROYCAR," DERBY. TELEPHONES: 476 (FOUR LINES). Wor/SH4/C7114. Names and indicating letter.… | ||
| scan0147 | Testing of various tyre types, including solid, Dunlop, and Palmer, on a bumping rig. | ||
| View original record | COPY. COPY. To Wor. for Hy. from R. Copy to J. " Na. R2/IB1115. 1st January 1915. Re Testing of Tyres on Bumping Rig. Mr Johnson agrees that it would be worth while getting some solid tyres for our… | ||
| scan0148 | To Mr. Hives of the Experimental Department regarding the return of inner tubes to the Dunlop Rubber Co. | ||
| View original record | Mr. Hives. Expl: Dept: x.990 Wd/W26/H3.10.18. We have received the attached letter from the Dunlop Rubber Co. and are asking them to supply us with 2 Tubes fitted with the old standard valve as… | ||
| scan0149 | To the Experimental Department regarding the supply and return of inner tubes from the Dunlop Rubber Co. | ||
| View original record | R.R. 235 B (200 T) (S.E. 827, 21-2-18, G. 2129) X990 Mr. Hives. Experimental Dept. Wd/W26/H31018. 3rd October 1918. We have received the attached letter from the Dunlop Rubber Co. and are asking them… | ||
| scan0150 | Letter from Dunlop regarding a new standard for smaller diameter valves and offering an exchange for previously delivered tubes. | ||
| View original record | A120Ax. By Appointment To H.M. The King. DUNLOP RUBBER CO LTD FOUNDERS OF THE PNEUMATIC TYRE INDUSTRY. TELEGRAMS:- "COVERS, BIRMINGHAM." TELEPHONE (11 LINES) EAST 920, PRIVATE EXCHANGE. A.B.C. CODE… | ||
| scan0151 | To the Experimental Department regarding the receipt and return of Dunlop inner tubes. | ||
| View original record | R.R. 235 B (200 T) (S E. 527, 21-2-18 G. 129) x 990 Mr. Hives. Wd/W11/H71018. 7th October 1918. Experimental Dept. We have now received from the Dunlop Rubber Co. 2 - 700 x 80 m/m Inner Tubes, so will… | ||
| scan0152 | Comparing the performance of rubber studded Dunlop Magnum tyres against all-rubber tyres on greasy roads. | ||
| View original record | R.R. 235A (500 T) (S.D. 408. 26-4-17.) Bm. 2/156/13. X.990 EH9/LG17.12.18. 17th December 1918. To R. from EH. c. to CJ. c. to E. RE 49- GB. X.2631. X.682. X.990. On the run back from West Wittering to… | ||
| scan0153 | Requirements for three sets of Michelin wheels and Dunlop tyres for a 40/50 chassis. | ||
| View original record | R.R. 235A (500 T) (S.D. 408. 26-4-17.) Bm. 2/156/13. X990 To Mr. Mills O.O. c. to Mr. Clough. c. to Mr. Ormerod. c. to EFC. c. to EH. ----------------- X.3482. X.990. BY5/T.14119. 14th January 1919.… | ||
| scan0154 | Requesting a change to a tyre order due to Dunlop being unable to supply Magnum tyres. | ||
| View original record | R.R. 235 B (200 T) (S.F. 103. 25-10-18) G. 2244. To O.O. from EH. x.990. EH1/LG1.4.19. 1st. April. 1919. With reference to your memo Wd/Dn3/HP31319., with regard to the 6 Dunlop Magnum Tyres which we… | ||
| scan0155 | Investigation into a steering complaint on the 2.EX model, comparing the effects of different wheel and tyre combinations. | ||
| View original record | X.990 Extract from Hs4/LG20.2.20. X.963 RE STEERING ON 2.EX. -------------------------- We came to the conclusion that the effect on the in steering must be some way have been caused by the centre… | ||
| scan0156 | Continued extract discussing springing and steering tests comparing Goodyear and Dunlop tyres. | ||
| View original record | Contd. -2- extract from Hs4/LG20.2.20. tests on springing and steering on his latest car, he confirms that they found a distinct improvement when they took off the Goodyear rubber non-skid tyres and… | ||
| scan0157 | Disadvantage of using Dunlop tyres on Michelin Disc Wheels during standardisation considerations. | ||
| View original record | 1 To R. from Cj. c. to Bn. c. to Ba. c. to Hs. c. to By. EFC x990 RE TYRES. CJ/JS5/D21.4.20. My Dear R. x.990 - x.3482 Referring to the attached correspondence, I think the facts referred to therein… | ||
| scan0158 | Querying if chassis sent to America are supplied without tyres, with a reply confirming and noting a separate tyre failure. | ||
| View original record | COPY. X990 To C. from CJ. Re tyres for American Cars. CJ11/E19.4.20. X3895 x990 Referring to the attached, presumably the chassis which we send to America will be sent without tyres? CJ. attc. copy of… | ||
| scan0159 | From R. to C.J. regarding the use of Dunlop tyres on Michelin disc wheels and advocating for security bolts. | ||
| View original record | x990 COPY. To CJ. from R. RL/G15.4.20. My dear CJ., x990✓ X3482 X.3895✓ Re Dunlop Tyres on Michelin Disc wheels. CJ10/D9.3.20. This supports my. contention that high speed and power cars should have… | ||
| scan0160 | Compatibility issues between Dunlop tyres and Michelin disc wheels. | ||
| View original record | COPY. X.990 1 To R. from CJ. CJ10/D9.3.20. My Dear R., X.990-997 With reference to my remarks that Maddocks had had trouble with Dunlop tyres in France, I now learn from BJ. that the trouble arises… | ||
| scan0161 | Visit from a Dunlop director concerning the supply of straight-sided tyres and wire wheels. | ||
| View original record | R R 235 A (100 T) (S.F. 846 6-8-19) G. 2160. R. from BY. c. to BN. c. to Hs. c. to Da. EFC X.990 X3895 BY8/H26.4.20. CHASSIS - WHEELS. RE THE QUESTION OF FITTING STRAIGHT-SIDED TYRES. Mr. Matthews,… | ||
| scan0162 | Investigating a potential credit claim for tyres returned to Dunlop Co for Chassis 81-TW. | ||
| View original record | X.3544 X990 R.R. 256A (100 T) (S. H. 798, 10-12-20) G. 2947 Hs. from Wd. Wd8/NJ7.1.21. X.3922 (struck through) X990 - CHASSIS 81-TW - NORTHEY TRIALS. Upon receipt of yours Hs/TMW1/LG1.d.21, we wrote… | ||
| scan0163 | The cost for a set of four tyres from Dunlop, Goodyear, and Goodrich. | ||
| View original record | R.R. 235B (100 T) (S.H. 798. 10-12-20) G. 2948 X 990 S/W Hs. X.3926 X.3895 RE TYRES. Hs2/LG8.2.21. Cl/C22.2.21. X.990. I note contents of your memo. The rate of Exchange must not be forgotten,… | ||
| scan0164 | Covering letter enclosing a circular and leaflet from Dunlop Rubber Co. Ltd. regarding pneumatic motor tyre loads and inflation pressures. | ||
| View original record | R R. 235E(100 T) (S.H. 798.10-12-20) G. 2948 X990 R. from Wd. c.to Sj. (for O.) c.to By. c.to Hs. c.to Er. c.to Ms. Wd11/NJ26.10.21. Dunlop Rubber Co.Ltd., Aston Cross, Birmingham. Further to mine… | ||
| scan0165 | Copy of a letter from Dunlop Rubber Co. regarding pneumatic motor tyre loads and inflation pressures. | ||
| View original record | COPY OF LETTER RECEIVED FROM:- THE DUNLOP RUBBER CO, LTD., ASTON CROSS, BIRMINGHAM. To- Messrs Rolls Royce Ltd., Nightingale Road, Osmaston Road, DERBY. October 15th. 1921. Dear Sirs, PNEUMATIC MOTOR… | ||
| scan0166 | Nominal and actual sizes of Dunlop and Michelin tyres for the 40/50 HP chassis. | ||
| View original record | X990 W/S. C. C. Hs. C. FD. 40/50. HP. CHASSIS. RE SIZES OF TYRES. ------------------- Referring to your memo Sg4/YG. 26.11.21. we have now received from the Dunlop Company the nominal and actual sizes… | ||
| scan0167 | Various tyre specifications and their impact on vehicle gearing and hill-climbing performance. | ||
| View original record | - 2 - DUNLOP CANVAS & CORD TYRES. BEADED EDGE TYRES. CANVAS CORD. dia. width. dia. width. 895 x 135 33.4 4.92 895 x 150 34.7 5.55 34.9 5.44 STRAIGHT SIDE TYRES. CORD. 32 x 4½" 33.5 5.0 33 x 5" 35 5.65… | ||
| scan0168 | The correct directional fitting of Dunlop tyres with traction tread and its effect on interchangeability. | ||
| View original record | X.990. Wd. c. to BY. c. to Hs. EP/Thn5/H10.10.22. RE. DUNLOP TYRES WITH TRACTION TREAD. X.4050. X.990. We learn from our London people that Messrs. Dunlop are very keen that the Traction Tread tyres… | ||
| scan0169 | Impracticability of directionally fitting Dunlop tyres with traction tread based on internal testing. | ||
| View original record | X990 To EP. from Hs. c. to Wd. c. to BY. Hsl/LG11.10.22. H24 DUNLOP TYRES WITH TRACTION TREAD. X940 X4050 In our original experiments with Dunlop tyres with this tread, the Dunlop people recommended… | ||
| scan0170 | Failures with Dunlop wheels and tyres during testing on experimental cars in France. | ||
| View original record | To BY. from Hs. Hs2/LG12.5.24. (Handwritten) X990 DUNLOP WHEELS. (Handwritten) Y3725 / X990 We should like you to take up with Messrs. Dunlop the troubles we have with their wheels which are running… | ||
| scan0171 | Continuation of a document discussing the return of covers and supply of new tyres. | ||
| View original record | contd:- -2- would like these covers back, and whether they will make any allowance on them and supply new tyres. Hs. | ||
| scan0172 | Technical suggestion to prevent undershield damage from square collars by riveting a small steel plate at the contact point. | ||
| View original record | R.R. 235A (100H) (W 705. 1.8.11) G. 1826. N10/B21911. 21st Sept. 1911. Re Undershields. Z 52/5 Mr. Spinney 21-9-11 It has been noticed that the square collars which secure the undershield to the frame… | ||
| scan0173 | Broken undersheets and a proposal for an experimental strengthening piece. | ||
| View original record | REF. 43 (i) 2nd October 1911. Z 545 Mr. Spinney 2-10-11 Mr. Platford has had several cases where the undersheets have broken at the point where the flange leaves the semi- circular body. To overcome… | ||
| scan0174 | Meeting minutes from late 1911 detailing the identification and resolution of undersheet breakages. | ||
| View original record | R.R. 235A (100 H) (X 361. 28.11.11) G. 2195 UNDERSHEETS 61st Meeting 20th.Oct.11. Mr Platford said a number of undersheets break at the point where the flange joins the semi-circular body, at the rear… | ||
| scan0175 | Meeting notes regarding modifications to undersheets and undershields. | ||
| View original record | R.R. 235 (100H (M 96. 24.2.10) E.P. 6128. // 545 Undersheets, Contd. (2) 96 Meeting Dec.8th.11. Re Suggestion 112 for fitting protective plates to the undershields to prevent the securing nuts cutting… | ||
| scan0176 | Chassis modifications for chassis 1694, purchased by Baron Korff for use in Russia. | ||
| View original record | Copy of Memo. CB1/WH/141111. S to W. Z545 14th. November 1911. Re 1694 Baron Korff. The above chassis has been purchased by Baron Korff and will be used by him in Russia. He requires the chassis… | ||
| scan0177 | Instruction sheet querying the necessity of fitting a protective shield for the oil pump and pipes for a customer's car. | ||
| View original record | R.R. 300 (6 B) (W. 524. 25.5.11) G. 1693. ROLLS-ROYCE LIMITED. INSTRUCTIONS. F Z52/5 To O.D. Customer's No. 1694 Baron Krupp Order No. 22 11. 1911 Re I have had instructions signed E.M. 17/11/11 to… | ||
| scan0178 | Departmental memo to Mr Spinney regarding fitting a protective shield to chassis 1694 for Baron Korff. | ||
| View original record | R.R. 475 (50 H) (W 930. 7.10.11). E.P. 198. ROLLS-ROYCE LIMITED, NIGHTINGALE ROAD, DERBY. TELEGRAMS: "ROYCAR," DERBY. TELEPHONES: 813 (Two Lines). N19/B251111 DEPARTMENTAL MEMO. This column is for… | ||
| scan0179 | Expediting experiments on new undersheets to cool car floorboards before the warm weather arrives. | ||
| View original record | X845 Z331/ N15/B3412 Re Undersheets Mr Barrington 3-4-12 Mr Platford [Struck through] Mr Wormald [Struck through] Mr Spinney [Struck through] Mr Bailey [Struck through] [STAMP: 3 APR 12] We have been… | ||
| scan0180 | Departmental memo regarding a delay in testing a new type of undersheet on chassis 1948. | ||
| View original record | R.R. 473 (30 H) (X 737. 18.3.12) E.P. 1493 ROLLS-ROYCE LIMITED, NIGHTINGALE ROAD, DERBY. TELEGRAMS: "ROYCAR," DERBY. TELEPHONES: 813 (Two Lines). DEPARTMENTAL MEMO. This column is for Name of Person… | ||
| scan0181 | Typed memo regarding the design and potential benefits of undersheets for car 1844. | ||
| View original record | C O P Y. "F" Dept., Drawing Office. 8-1-13. Mr Nadin, Re Undersheets. The special undersheets fitted to owners request on car 1844 were, I believe, a success and R.D. did not think they were any… | ||
| scan0182 | Seeking agreement to fit an experimental car with an undersheet following a suggestion. | ||
| View original record | [Stamp: B RECEIVED 1913] Mr Howard [Struck through] Mr Platford [Struck through] Mr Barrington Mr Bailey 13-1-13 N14/B13113. With reference to the attached sheet, I should be glad to hear as to… | ||
| scan0183 | Decision not to standardise ventilated undershields, based on a negative report. | ||
| View original record | R.R. 235A (150 n) (XX. 79. 8.7.13) E.P. 4584. Wor/SM6/C28713. X5245 Ventilated Undershields. X.231 Na. 28-7-13. for Mr. Mills. In reply to your memo EM15/26713, we wish to state we have not obtained… | ||
| scan0184 | Issue with the car's undersheeting allowing water to splash the driver. | ||
| View original record | C O P Y. COPY, To Da. from R. Copy to Wor. Copy to J. R1/P 31.12.13. With reference to undersheeting of the car here, this is very unsatisfactory. The water strikes the flat end which comes up between… | ||
| scan0185 | The fitting of a new two-part undershield to improve upon the Austrian Trials type. | ||
| View original record | re Under-Sheeting. X 545. J. for R. 22.1.14. Da7/G21114. With reference to your note R1/P311213, we are fitting to 2704 an undershield similar to the Austrian Trials type, but endeavouring to… | ||
| scan0186 | Extract discussing potential improvements to the standard car engine undershields. | ||
| View original record | EXTRACT FROM R4/W18816 of AUGUST 18th, 1916. X.545 - STANDARD CAR ENGINE - UNDERSHIELDS. Air Pump. - "Some improvements can be made to the undershield towards the front end where they do not give… | ||
| scan0187 | Revisions and additions to the 'After the War Chassis' specifications. | ||
| View original record | To R. from EH. Copy to RJ. " " Wor. " " EP. " " By. " " E. X.545 EH1/LG19.9.17. 19th Sept 1917. X.682. AFTER THE WAR CHASSIS. X.3185. 2565. It is now about 12 months since the points to be… | ||
| scan0188 | Technical issues and potential improvements on various car components. | ||
| View original record | -2- attribute most of this due to increase in compression. On the old cars the amount of compression we could run with was decided by detonations. 7.CA with the 4.33 compression ratio, does not… | ||
| scan0189 | Construction of a new post-war chassis, particularly addressing the need for a self-starter for the American market. | ||
| View original record | -3- and a large number of other parts are mostly out of date. X.1300. 49.CB. This needs a number of parts fitting to bring it up to date. The most important item is the Self Starter. It would be… | ||
| scan0190 | List of decisions regarding parts to be incorporated into the post-war chassis. | ||
| View original record | R.R. Hse A (770 H) S.D 442. 9-5-17. G. 1965 To R. from EH. Copy to RJ. " " Wor. " " EP. " " By. " " E. X.682. AFTER THE WAR CHASSIS. 2565 It was decided on August 14/8/16 at a meeting of R, Wor, Na,… | ||
| scan0191 | Numbered list of vehicle component specifications and modifications, page 2. | ||
| View original record | -2- 14. Self Starter six volts (afterwards changed to 12 Volts ) 15. Lucas Dynamo to generate sufficient current for the lamp at 15 m.p.h. Belt pulley ratio not less than 1.5 to 1. 16. Single push… | ||
| scan0192 | Bronze bushes fitted to 1201 chassis universal coupling. | ||
| View original record | R.R. 148 (20 H) (K. 322. 30.1.09) E.P. 5480. X898/X1194 1400. Report on bronze bushes fitted to 1201 chassis universal coupling Run 180 miles on dynamometer and 500 miles on the road. Three bushes… | ||
| scan0193 | 1700 style front universal joint broaching. | ||
| View original record | Section. 2600. X898 DESCRIPTION:- 1700 style front ball universal joint broaching Date sheet from office. Date Works instructed. Reported T.D. office. Date. Miles.) Report. Date received. Material… | ||
| scan0194 | Acknowledging receipt of designs and forwarding them to the Technical Department for criticism. | ||
| View original record | X1194 Z 576 CJ4/C8312. Mr. Burt. 5.3.12. Thank you for your memorandum of the 28th ult., with designs. Of course I am unable to criticise them but I am forwarding them to the Technical Department for… | ||
| scan0195 | Fault with the universal joints on old type cars and the recommended fix. | ||
| View original record | R.R 235A. (150 H) (V.V. 782 27.3.14) G. 0442. COPY. Le Canadel, 6th March 1912. C.J. and Technical Committee. Re Universal Joints faulty on old type cars. --------------------- W.H.Samuel's Car.… | ||
| scan0196 | Provisional specification for a De Dion type universal joint with bronze pads invented by Mr. Burts. | ||
| View original record | R.R. 235 A (150 H) (V.V. 585. 23.2.14) G. 0363. Extract from TBB1/L27412 X1194 16. Re Universal Joints. Mr Johnson has sent for the Committee's criticism, a description and provisional specification… | ||
| scan0197 | Departmental memo from I. Everard Burt proposing a chassis improvement with attached drawings and specification. | ||
| View original record | ROLLS-ROYCE LIMITED, 14-15, CONDUIT STREET, LONDON, W. TELEGRAMS: "ROLHEAD," LONDON. TELEPHONES: 1654, 1655, 1656 GERRARD. DEPARTMENTAL MEMO. R.R. 531 (24 B) (X225. 29.1.12) R.P. 1111. X1194 Z596 This… | ||
| scan0198 | Departmental memo regarding a patent idea for increasing the wearing surfaces of universal joints. | ||
| View original record | 247. 30.4.12) E.P. 1769. ROLLS-ROYCE LIMITED, 14-15, CONDUIT STREET, LONDON, W. X 1194 TELEGRAMS: "ROLHEAD," LONDON. TELEPHONES: 1654, 1655, 1656 GERRARD. DEPARTMENTAL MEMO. This column is for Name of… | ||
| scan0199 | Technical Committee's workload preventing proposal review, with a subsequent urgent handwritten request to examine an expiring patent. | ||
| View original record | ROLLS-ROYCE LIMITED, 14-15, CONDUIT STREET, LONDON, W. DEPARTMENTAL MEMO. TELEGRAMS: "ROLHEAD," LONDON. TELEPHONES: 1654, 1655, 1656 GERRARD. [Header text]: R.R. 476 (50 H) (X 247. 30.4.12) R.P. 1769.… | ||
| scan0200 | To Mr. Royce regarding knocking issues with DeDion type universal joints and proposed solutions. | ||
| View original record | Y1194 File in Clutch Couplings with copy of note to Mr Burt. Mr Royce 2.7.12. Re DeDion type of Universal Joint. BB5/L2712. You will notice from the minutes of the Committee Meetings that Mr Platford… | ||
| scan0201 | Knocking issues, clearances, and a provisional patent. | ||
| View original record | -2- trouble from knocking owing to the comparatively large film of oil provided. We should not of course require such extremely small clearances, in this case, the ball on the shaft would be quite… | ||
| scan0202 | Letter to Mr Burt providing feedback from Mr Royce on proposed improvements to DeDion type Universal Joints. | ||
| View original record | X1194 2-8-76 Mr Burt 10.7.12. Re Improvements in DeDion type Universal Joints. TBB1/L10712. With reference to the provisional specification and sketches referring to Improvements in Universal Joints,… | ||
| scan0203 | Previously unadopted scheme by Mr Royce due to a reduction in a pin's bearing surface. | ||
| View original record | -2- pieces. This scheme Mr Royce suggested a long time ago but he did not adopt it owing to the reduction necessary in the bearing surface of the pin. I return you herewith your draft specification… | ||