Rolls-Royce Archives
| Identifier | Entry | ||
| Scan001 | Tyre mileage in France and the necessity of replacing inner tubes. | ||
| View original record | To Wor. from Hs. (x5870 Hs2/LG24.8.25. Wor2/M24.8.25. x5840 With reference to the attached ref. above. Under the conditions of running in France the average mileage of tyres is 3,500 miles. This means… | ||
| Scan002 | Questioning the excessive expenditure on tyres and inner tubes for chassis 9-G-3. | ||
| View original record | Hs. from Wor. C O P Y. Wor2/M24.8.25. Mr. Matley has brought to my notice various invoices he has received from Paris, for tyres for chassis 9-G-3, at Chateauroux, as under :- 13/6/25 - 8 Dunlop tyres… | ||
| Scan003 | Potential arrangement with the Dunlop Co. for supplying tyres for a 10,000-mile test on a 20 HP car in France. | ||
| View original record | X5820 To Wor. from Hs. Hsl/LG28.8.25. X5840 TYRES USED IN CONNECTION WITH 10,000 MILES TEST ON 20 HP. IN FRANCE We attach a report from Chateauroux which gives the consumption of tyres. I believe we… | ||
| Scan004 | Tyre and tube wear and replacement strategy during a 10,000 miles test in France for chassis 9-G-111. | ||
| View original record | COPY. Hotel de France, Chateauroux, Indre, France. GWH1/Crn26.8.25. To Hs. from G.W.Hancock. RE. CHASSIS 9-G-111. With reference to your letter dated 24th.inst., also Wor2/M24.8.25. we have already… | ||
| Scan005 | Tyre performance and durability during a mileage test for chassis 9-G-111. | ||
| View original record | R.R. 493A (50H) (D.B. 175 25-9-24) J.H.D. EXPERIMENTAL REPORT. Expl. No. REF: Chateauroux. 26.8.25. COPY. TYRES RECEIVED FOR CHASSIS 9-G-111. Fitted to chassis in Derby Received from Paris 13.6.25… | ||
| Scan006 | Tyre mileage, wear, and inner tube stock levels during tests. | ||
| View original record | R.R. 493A (50m) (D.B. 175 25-9-24) J.H.D. EXPERIMENTAL REPORT. -2- Expl. No. REF: Chateauroux. 26.8.25. No. 31 after 1,588 miles - worn to canvas. No. 32 " 1,655 " " " No. 28 " 1,700 " " " Note - Two… | ||
| Scan007 | Proposing the adoption of over-size medium and semi-balloon low-pressure tyres for comfort and performance. | ||
| View original record | To Hs. FROM R. BY. LE CANADEL. x5820 R1/M24.3.26. c. to CJ. BJ. c. to E. RG. ------------------------------------------------------------- PHANTOM & INDIA TYRES - re. X.4565 X.8820 Hs/Rm/15.3.26.… | ||
| Scan008 | Advantages and disadvantages of fitting low-pressure tyres to Phantom & Goshawk chassis. | ||
| View original record | To BY. } FROM R. BJ. } c. to Wor. Hs. CWB. c. to PN. DA. E. 45820 R3/M3.9.26. PHANTOM & GOSHAWK LOW PRESSURE TYRES. X.4565 X.8820 X.8430 X.5820 Regarding Hs. memo. concerning the above, I agree that… | ||
| Scan009 | Customer's refusal to purchase a 20 HP car unless it is fitted with smaller, 6-inch tyres. | ||
| View original record | X5820 S/W. To Hs. Copy to DJ. SG. One of our owners, Mr. Gerald Mere, living in London, has for many months been struggling to obtain from us a 20 H.P. Rolls-Royce fitted with tyres not smaller than… | ||
| Scan010 | Fitment of 6-inch tyres on the 20 HP car, detailing objections and recommendations. | ||
| View original record | X5820 To FN. from Hs. c. to BJ. c. to Sg. Hs1/LG19.11.26 20 HP. TYRES. X5820 / X4565 With reference to PN5/EH18.11.26. There is no fundamental reason why 6" tyres cannot be fitted on the 20 HP. car.… | ||
| Scan011 | Results of testing 6' tyres on 20 HP cars to prevent wobbles. | ||
| View original record | To B.J. from Hs. C to PN (struck out) E to WG (struck out) X5820 Hs4/LG22.11.26. 20 HP. TYRES. X4565 Replying to BJ4/E22.11.26. A 20 HP. car (5-G-11) was run in France by R. in the Spring of 1925… | ||
| Scan012 | Query regarding road tests performed with 6-inch tyres on the 20 HP model, asking where they were conducted and what car body was used. | ||
| View original record | To Hs. from BJ. Copy to PN. Copy to Sg. 20 HP Tyres. BJ4/E22/11/26 Handwritten: X5720 With reference to Hs1/LG19/11/26, what tests, what road tests, have been made with X 6 in. tyres on 20 HP, where… | ||
| Scan013 | Requesting the points against adopting 6 inch tyres as standard for the 20 HP model. | ||
| View original record | HS X5820 To Hs. from BJ. Copy to PN. Copy to Sg. 20 HP Tyres. BJ2/E23/11/26 With reference to Hs4/LG22/11/26, please let me know what are the points against our adopting 6 in. tyres as standard. BJ. | ||
| Scan014 | Explaining the reasoning for standardizing 5¼' section tyres on the 20 HP model. | ||
| View original record | To BJ. from Hs. c. to PN. c. to Sg. X5820 Hs3/LG27.11.26. 20 HP. TYRES. X5820 X4565 The chief reason why 5¼" section tyres have been standardised for the 20 HP. is because we did not wish to make too… | ||
| Scan015 | Fitting of 6' balloon tyres on 20 HP cars and the resulting effect on steering. | ||
| View original record | To C. from Hs/Rm. Y5820 Hs/Rm2/LG19.3.28. BALLOON TYRES ON 20 HP. X4565 With reference to C4/C18.3.27. 20 HP. cars already issued will not be fitted with the low geared worm and nut. We consider that… | ||
| Scan016 | Letter to The Dunlop Rubber Co. Ltd. inquiring about producing smaller 19' rims for 20 HP cars. | ||
| View original record | X5820 Expl: Dept: HS/Rm6/LG. 12th. April 1927. Messrs. The Dunlop Rubber Co.Ltd., Fort Dunlop, Erdington, Birmingham. Dear Sirs, We have recently been fitting several sets of 6" tyres to our 20 HP.… | ||
| Scan017 | Letter from Dunlop discussing the disadvantages of smaller diameter rims and tyres for the 20 HP car. | ||
| View original record | X5820 DUNLOP RUBBER CO.,LTD. TELEGRAPHIC ADDRESS: "DUNLOPS, BIRMINGHAM" TELEPHONE: BIRMINGHAM CENTRAL 4108 P.B.E. 25 LINES YOUR REF: OUR REF: Technical Director. FORT DUNLOP ERDINGTON BIRMINGHAM 13th… | ||
| Scan018 | Safety implications of using smaller wheels and tyres on a 20 HP vehicle. | ||
| View original record | To R. from Hs. c. to BJ. Wor. c. to RG. E. c. to DA. BY. X5820 Hsl/LG21.4.27. 20 HP. WHEELS AND TYRES. X4050 With reference to your request that we should try and obtain wheels with smaller dia. rims… | ||
| Scan019 | Letter from Dunlop Rubber Co. Ltd. regarding the trend towards smaller diameter wheels and tyres. | ||
| View original record | COPY. DUNLOP RUBBER CO.LTD FORT DUNLOP, ERDINGTON, BIRMINGHAM. 13th. April, 1927. Messrs. Rolls-Royce Ltd., Derby. For the attention of Mr. W.A. Robotham. Dear Sirs, We have your letter of the 12th.… | ||
| Scan020 | Cover note returning a standardisation sheet with updated costs. | ||
| View original record | COPY. X5820 To Hs. from My/Rb. ✓ My/Rb3/N/139A/BJ21.4.27. ✓ STANDARDISATION SHEET X.5820 X.4565 ✓ We return herewith the above std. sheet with costs filled in. The increase in cost is due to the… | ||
| Scan021 | Standardisation of 6' balloon tyres for 20 HP cars and the purchase of a new set from Dunlop. | ||
| View original record | To C. from Hs. c. to BY. +5820 Hsl/LG27.4.27. 6" BALLOON TYRES FOR 20 HP. X4565 With reference to C2/C26.4.27. The standardisation sheet for these tyres has been signed by all Officials except BJ. and… | ||
| Scan022 | High-speed wobbles in relation to front axle types and steering geometry. | ||
| View original record | To DA. from Hs/Rm. X5870 Hs/Rm4/LG27.4.27. FRONT AXLES. 4457 With reference to DA2/M25.4.27. We agree with 1. 2. and 4 of the points you raise. With regard to high speed wobbles, we do not think that… | ||
| Scan023 | Letter to Dunlop Rubber Co. enquiring about the effective rolling circumference of a new tyre and rim combination for a 20 HP car. | ||
| View original record | Expl: Dept: X5820 28th. April 1927. Hs/Rm2/LG. Messrs. The Dunlop Rubber Co., X5050 Fort Dunlop, Erdington, Birmingham. Dear Sirs, We have read with interest your remarks on the tyre life with small… | ||
| Scan024 | Adoption of standard Dunlop tyres and tread patterns for the Phantom and 20 HP models. | ||
| View original record | To CWB. from Hs. c. to C. c. to Sg. c. to BY. X5820 Hs3/LG2.5.27. TYRES. X4050 It has been agreed that as soon as possible we should adopt the standard Dunlop tyres as regards tread pattern. We… | ||
| Scan025 | Wobbling speed and steering lightness issues on the 20 HP front axle. | ||
| View original record | To DA. from Hs/Rm. XS69D Hs/Rml/LGS.5.27. 20 HP. FRONT AXLE. X457 X5470 With reference to DA3/M30.3.27. Lightening the front axle on the 40/50 HP. did raise the critical wobbling speed somewhat, but… | ||
| Scan026 | Letter from Dunlop Rubber Co. Ltd. regarding tyre life, effective radius of different sizes, and supply of tyres and wheels. | ||
| View original record | X5820. DUNLOP RUBBER CO.,LTD. TELEGRAPHIC ADDRESS: "DUNLOPS, BIRMINGHAM" TELEPHONE: BIRMINGHAM CENTRAL 4108 P.B.E. 25 LINES YOUR REF: HS.Rm2/LG. OUR REF: FF.II.2483. Development Design. FORT DUNLOP… | ||
| Scan027 | Page two of a letter from the Dunlop Rubber Co. Ltd. | ||
| View original record | 2. Any other information you require, we will gladly supply. Yours faithfully, FOR THE DUNLOP RUBBER CO. LTD. F. Fellowes DEVELOPMENT DESIGN SECTION. | ||
| Scan028 | Query from BJ regarding the effect of new 33 in. x 6 in. tyres on the gear ratio and performance of a 20 HP car. | ||
| View original record | [Handwritten top right] X5820 | X4565 To Hs. from BJ. Standardisation Sheet BJ7/E17/6/27 5820 33 in. x 6 in.Tyres. 20 HP. [Handwritten and crossed out below 5820] 4565… | ||
| Scan029 | The effect of standardising 33 x 5' tyres on the gear ratio and performance of the 20 HP car. | ||
| View original record | COPY. X5820 X4565 To. Hs. from BJ. BJ7/E17.6.27. Standardisation Sheet. X.5820 X.4565 33 X 5" tyres 20 HP. At present I am not quite clear as to what difference these tyres will make to the gear ratio… | ||
| Scan030 | Standardisation sheet comparing the circumference and gear ratio effects of different tyres for the 20 HP model. | ||
| View original record | To B.J. from Hs./Rm. X5820 Hs/Rm2/LG21.6.27. STANDARDISATION SHEET. 33 X 6" 20 HP. TYRES - X.5820 With reference to BJ7/E17.6.27. The original 20 HP. high pressure tyre 32 X 4.5" had an effective… | ||
| Scan031 | Standardisation of 33' x 6' tyres for the 20 HP chassis. | ||
| View original record | RR 785 REVISED (10H) (DE 649 9-12-26) BM. 2/1187. COMPLETED 22.6.27 STANDARDISATION of CHASSIS PARTS. Date 21.3.27 Description of Parts. 33" X 6" TYRES - 20 HP. Origin. Request from Sales. X No. 4565… | ||
| Scan032 | Returning a standardisation sheet with updated costs and explaining the reason for the increase. | ||
| View original record | COPY. To Hs. from My/Rb. My/Rb3/N/139A/BJ21.4.27. STANDARDISATION SHEET X.5820 X.4565 We return herewith the above std. sheet with costs filled in. The increase in cost is due to the information… | ||
| Scan033 | Letter to Dunlop Rubber Co. regarding the supply of wheels for a 20 HP car. | ||
| View original record | X5870 Expl: Dept: Hs/Rn5/LG. 29th. June 1927. Messrs. The Dunlop Rubber Co., Fort Dunlop, Erdington, Birmingham. Dear Sirs, For the attention of Col. Matthews. With reference to your letter of the… | ||
| Scan034 | Letter from Dunlop Rubber Co. Ltd. regarding the despatch of moulds, balloon tyres, and wheels. | ||
| View original record | DUNLOP RUBBER CO.,LTD. K5820? TELEGRAPHIC ADDRESS: "DUNLOPS, BIRMINGHAM" TELEPHONE: BIRMINGHAM CENTRAL 4108 P. B. E. 25 LINES YOUR REF: OUR REF: FF.II.3395. Development Design. FORT DUNLOP ERDINGTON… | ||
| Scan035 | Aesthetic benefits of fitting 19 inch wheels to the 20 HP model. | ||
| View original record | To Hs. from R. c: to BJ. LHS! Wor. c. to BY. CWB. X5820 R2/M9.7.27. APPEARANCE OF 20 HP. X.5770 X.5810 X.5820 X.5830 X.4565 I am very keen that we press for the 19” wheels with 6” tyres, because they… | ||
| Scan036 | Re-standardization of 6' x 33' tyres for the 20 HP chassis. | ||
| View original record | X5820? Dep. [crossed out] c.Hs. [crossed out] e.p./HM. [crossed out] BYL/H. 13.7.27. 20 HP. CHASSIS - RE STANDARDIZATION OF 6" SECTION x 33" TYRES. Upon receipt of the standardization sheet for the… | ||
| Scan037 | Fitting 19' rims to a 20 HP model, noting the need for modified wings and spare wheel carriers. | ||
| View original record | Y5870 To R. from Hs/Rm. c. to BJ. Wor. c. to RG. E. c. to BY. DA. Hs. absent. Hs/Rml/LG19.7.27. 19" RIMS FOR 20 HP. Y5390 We have been running a set of wheels with 19" rims on the 20 HP. At present… | ||
| Scan038 | Challenges of fitting 33 x 6' tyres on the 20 HP chassis due to spare wheel carrier issues. | ||
| View original record | W.S. c.Hs. X5820 BY6/H. 21.7.27. 20 HP. CHASSIS. USE OF 33 x 6" TYRES. ------------------------------------ In view of the fact that although the standardization sheet has been fully signed up,… | ||
| Scan039 | Fitting non-standard 33 x 6' tyres on a 20 HP chassis and accommodating customer requests. | ||
| View original record | X5890 S/W. Copy to Hs. Sg13/W/22.7.27. Re: 20 HP. Chassis - 33 x 6" Tyres. We are in receipt of your EY6/H21.7.27. The real reason why S. do not wish to standardise 33 x 6" Tyres, is set out in… | ||
| Scan040 | The use of experimental 6' Dunlop tyres on a 19' rim. | ||
| View original record | Y5810 X4565 To Sg. from Hs/Rn. Hs/Rn7/LG9. 8. 27. With reference to Sg6/M25.7.27. The tyres we are using are 6". They are an experimental tyre produced by Dunlops for the 19" rim. Hs/Rn | ||
| Scan041 | Potential improvements for the 20 HP car, focusing on steering, chassis, tyre sizing, and bodywork aesthetics. | ||
| View original record | Hs. from R. c. to BJ. BY. c. to SG. DA. X5820 R9/M5.9.27. INDIA 3. X.5770 X.5820 X.5430 X.5500 X.5830 I am so convinced that the 20 HP. will be much improved by deleting the 'B' steering, which, with… | ||
| Scan042 | Proposed narrower wire wheels for use on the 20 HP chassis, including alterations to the hubs. | ||
| View original record | BY. from DA. c. to BJ. Hs. X5810 DA2/M8.10.27. 20 HP. WIRE WHEELS. X.3580 X.4586 X.5810 We send herewith N.sch.2478 shewing the proposed narrower wire wheels for use on the 20 HP. chassis. It will be… | ||
| Scan043 | Request for running radius information for high pressure and balloon tyres on two car models. | ||
| View original record | X5810 X4565 / X4050 Hs. from DA. DA1/M23.11.27. We have had various information regarding the running radius of high pressure and balloon tyres, but R. would like you to supply this information in the… | ||
| Scan044 | Implications of fitting low-pressure tyres to the 20 HP chassis. | ||
| View original record | X5820 BY/Cghl/G.15.5.28. re TYRES FOR 20 HP. CHASSIS. With reference to C7/C9.5.28. the position in regard to 33 x 6 low pressure tyres for the 20 HP. chassis is that although standardisation sheets… | ||
| Scan045 | 20 HP axle ratios and the effect of different tyre sizes. | ||
| View original record | X5820 To CWB. from Hs. Hs1/LG19.5.28. 20 HP. AXLE RATIOS. V5350 The effective rolling circumferences of the 31 X 5.25 and 31 X 6" tyres at 35 lbs/sq.in. are :- 31 X 6 100" 31 X 5.25 97.5" However, due… | ||
| Scan046 | Wheel arch clearance complaints on the 20 HP model, suggesting new clearances and requesting confirmation tests. | ||
| View original record | BY. from DA/EV. c. to Hs. SG. X5820 DA/EV3/M3. 7.28. 20 HP. WHEEL ARCH CLEARANCE. X.615 X.5810 X.5820 Owing to complaints that the wheel arch clearance on the 20 HP. was excessive with 5¼" medium… | ||
| Scan047 | Transition to low-pressure tyres and smaller wheel rims for the 20 HP model. | ||
| View original record | BJ. C. SG. from R. c. to Hs. X5820 R3/M12.7.28. RE. PRESENT 20 HP. X.4565 AND LOW PRESSURE TYRES. X.527 X.5820 This car must have low pressure tyres (if not already done), or it will not compare with… | ||
| Scan048 | Tyre pressures and road spring stiffness for the Phantom and 20 HP models to improve riding qualities. | ||
| View original record | HS. EP. from R. c. to BJ. BY. PN. CWB. 45820 R2/M20.7.28. PHANTOM AND 20 HP. X.7410 X.7820 RIDING QUALITIES. X.8410 X.5820 X.5410 X.235 TYRES. Naturally we must have low pressure tyres for both these… | ||
| Scan049 | Modifications to the vehicle's spring and shock damper systems for improved ride comfort and high-speed stability. | ||
| View original record | contd :- -2- depart from flexible springing for the sake of high speed riding. but since we have got hydraulic dampers we must increase the effectiveness of these dampers, especially on the recoil… | ||
| Scan050 | Requesting a report on improvements to vehicle riding qualities through various means like tyres, springs, and dampers. | ||
| View original record | Hs. CWB. from R. c. to BJ. Wor. BY. 5820 R1/M23.7.28. RIDING QUALITIES. X.4565 X.1360 X.5820 X.235 X.5410 I hope to receive shortly a report shewing improvements due to :- (1) 6" low pressure tyres on… | ||
| Scan051 | Telex message to Derby requesting an urgent supply of wheels and tyres. | ||
| View original record | c. to BY. Hs. X5820 WW½ 23.7.28 ROYCAR - DERBY. X. 5310 X. 5820 X. 4050 BAILY HIVES WHEELS AND TYRES GET QUICKLY AS POSSIBLE AT LEAST TWELVE SETS SIX INCH TYRES AND TWENTY INCH RIMS AND SPARES SURE… | ||
| Scan052 | Trial of 20 inch wheels for the 20 HP chassis and the related impact on the 10/47 axle production. | ||
| View original record | X5820 S/W. Copy to R. " " HS. " " S. Sg14/W/25.7.28. Re: 20 HP. Chassis - Tyres. Referring to Sg17/W/10.7.28. we said therein :- "Assuming that R. agrees the suggestion, we should like to have as soon… | ||
| Scan053 | The delivery of 20' X 6' wheels and tyres and the resulting cancellation of the rear axle production. | ||
| View original record | Sgd from Hs. c. to EY. c. to R. X5820 Hs2/LG26. 7. 8. 28. 20" X 6" WHEELS AND TYRES. X5820 We expect to receive the first set of 20" X 6" wheels and tyres at the end of this week. We have arranged… | ||
| Scan054 | Listing the weights of three different 20 HP wheel and tyre combinations. | ||
| View original record | X5820 WEIGHT. 20 HP. WHEEL AND TYRE. X.5810 X.4050 X.5820 X.3725 X3809 19.8.28 (1) Dunlop 21" well base wheel fitted with 33 X 5.25" tyres. 60 lbs. (2) Dunlop 21" well base wheel fitted with 33 X 6"… | ||
| Scan055 | The investigation of high-speed wheel wobble and its causes, primarily low tyre pressure. | ||
| View original record | To R. from Hs/Rm. c. to B.J. Wor. c. to E. DA. c. to BY. X5820 Hs/Rm2/LG21.8.28. 12-G-4 - STEERING. X5430 X457 We tried this car as soon as it returned from WW. We found that it had a normal incipient… | ||
| Scan056 | The impact of rim size on high-speed wobbles and optimal tyre pressures. | ||
| View original record | contd :- -2- The 19" rims make 8% more revs. at any given speed than the 21" rims with 6" tyres. Therefore the road speed at which the wheel revs. can coincide with the critical criss-cross axle… | ||
| Scan057 | Steering tests on car 12-G-4, investigating wobble and shimmy issues with different wheels and tyres. | ||
| View original record | To R. from Hs/Rm. c. to BJ. Wor. c. to E. DA. BY. X5820 Hs/Rm2/LG27.8.28. 12-G-4 - STEERING. X457 X5430 We have run this car with 5.25" and 6" tyres on 21" rims. Whilst the steering is definitely… | ||
| Scan058 | Letter to The Dunlop Rubber Co. regarding inconsistencies in tyre dimensions and weight. | ||
| View original record | X5820 Expl: Dept: Hs/RnS/LG. 31st. Aug. 1928. Messrs. The Dunlop Rubber Co., Fort Dunlop, Erdington, Birmingham. X5- X4050 Dear Sirs, For the attention of Mr. Paull. We have been caused no little… | ||
| Scan059 | Letter to The Dunlop Rubber Co. regarding inconsistencies in tyre dimensions and weight. | ||
| View original record | X5820 Expl: Dept: Hs/Rn5/LG. 31st. Aug. 1928. X5 - X4050 Messrs. The Dunlop Rubber Co., Fort Dunlop, Erdington, Birmingham. Dear Sirs, For the attention of Mr. Paull. We have been caused no little… | ||
| Scan060 | Specification table comparing two types of Dunlop wheels and tyres. | ||
| View original record | DUNLOP WHEELS AND TYRES. Type of tyre and wheel. Effective running circumference. ins. Effective running diameter. ins. Circumference with no load - ins. Dia. with no load ins. Weight lbs. REMARKS 32… | ||
| Scan061 | Various tyre types and dimensions for the 20 HP chassis, and the implications of standardizing certain options. | ||
| View original record | X5820 Hs/AJL. 31.8.28. X5810 [strikethrough] X5820 20 HP. WHEELS AND TYRES. The appended table gives the more important dimensions of tyre types which have been used or are being used on the 20 HP.… | ||
| Scan062 | Comparison table of various 20 HP Dunlop wheels and tyres with their dimensions and weights. | ||
| View original record | 20 HP. WHEEL AND TYRE COMPARISONS (DUNLOP WHEELS & TYRES). | Type of tyre and wheel. | Effect: running circum: ins. | Effect: running dia. ins. | Circum: with no load. ins. | Dia. with no load. ins. |… | ||
| Scan063 | 20 HP car, focusing on the need for balloon tyres and criticism of the Barkerlite demonstration body. | ||
| View original record | X5820 Hs. SG. BY. c. to BJ. Wor. CWB. R1/M17.9.23. 20 HP. CAR+ X.5820 X.5830 X.4565 The Barkerlite body for Trials still requires the balloon tyres - 6" tyres on 20" rims. I cannot understand why… | ||
| Scan064 | Introduction of 20' wheels and low-pressure tyres for the 'N' Series chassis, including cost analysis. | ||
| View original record | HS X5820 To BY from BJ. Copy to Hs. C. Sg. Wor. CWR. 20 HP Tyres. BJZ/E18.9.28 I attach copy of C's report on the situation, C4/C8.9.28. We have this morning received from you a statement that to… | ||
| Scan065 | The standardization and introduction of 20 HP balloon tyres with silent tread. | ||
| View original record | COPY. BJ from C. C4/C8.9.28 20 h.p. TYRES. ------------- With reference to the attached, the position in regard to 20 h.p. balloon tyres is that they have been passed for standardisation and it is a… | ||
| Scan066 | Letter to The Dunlop Rubber Co. Ltd. proposing a meeting to discuss tyres, rubber engine mounts, and aero-engine rubber joints. | ||
| View original record | X5820 X5820 (crossed out) X8005 X3494 ExpL: Dept: HS/RmL/LG. 22nd. Sept. 1928. Messrs. The Dunlop Rubber Co. Ltd., Fort Dunlop, Erdington, Birmingham. Dear Sirs, For the attention of Mr. Paull.… | ||
| Scan067 | Visit to the Dunlop Rubber Co. to discuss the development of 'Fort' and 'Super' model tyres. | ||
| View original record | To R. from Hs/Rm. c. to BJ. Wor. c. to RG. E. c. to DA. BY. c. to SG. X5820 Hs/Rm3/LG25. 9.28. DUNLOP RUBBER CO. X4050 X7820 X5820 (crossed out) X8005 x2446 We visited the Dunlop Rubber Co. on the… | ||
| Scan068 | Tyre shimmy, dimensions, rubber engine feet, and rubber cylinder joints. | ||
| View original record | contd :- -2- give us greater immunity from shimmy than the standard tyre on the 40/50. If so, they might help us in getting a good front end ride. It will be recollected that the 6" tyre was… | ||
| Scan069 | Blueprint showing the inflated and deflected shapes of four different 32x600 Dunlop tires under standard load and pressure. | ||
| View original record | TITLE: 32x600 DUNLOP RANGE INFLATED & DEFLECTED SHAPES AT STANDARD LOAD & PRESSURE. TOP LEFT DIAGRAM: Description: 32 x 6.00 DUNLOP 'SILENT' Measurements: 5.95" INFLATED WIDTH, 32.6" INFLATED DIA,… | ||
| Scan070 | Letter from Dunlop Rubber Co. regarding the supply and production of Silent tread tyres for 19' rims. | ||
| View original record | X5820 DUNLOP RUBBER CO.,LTD. TELEGRAPHIC ADDRESS: 'DUNLOPS, PHONE, BIRMINGHAM'. TELEPHONE: BIRMINGHAM, CENTRAL 4108 P. B. E. 25 LINES EXTENSION No. YOUR REF: OUR REF: WB.LW.6.410 FORT DUNLOP ERDINGTON… | ||
| Scan071 | Letter from Dunlop Rubber Co. Ltd. concerning the delivery timeline for a tyre. | ||
| View original record | A 121 D. R. CO., LTD. SHEET No. 2. 4.10.28pg Messrs. Rolls-Royce Ltd. As before stated, however, it will be some time before the first tyre could be ready. Would you kindly advise us further, and… | ||
| Scan072 | Letter to The Dunlop Rubber Co. requesting 'silent tread' tyres, highlighting Mr. Royce's desire to receive them quickly. | ||
| View original record | X5820 5th. Oct. 1928. Hs/Rm4/LG. Messrs. The Dunlop Rubber Co., Fort Dunlop, Erdington, Birmingham. Dear Sirs, for the attention of W.Bond Esq. With reference to your letter of the 4th.inst. What we… | ||
| Scan073 | Selection of quiet and flexible car tyres for various models, including Dunlop silent tyres. | ||
| View original record | Hs, from R. c. to BJ. Wor. c. to C. BY. c. to DA. SG. X5820 RL/M6.10.28. --------------- CAR TYRES. X.5820 X.7820 X.4080 We are anxious to use the quietest tyres of the most flexible type (for good… | ||
| Scan074 | Letter to Dunlop Rubber Co. regarding the production and testing of silent tread tyres for 19 and 20 inch rims. | ||
| View original record | X.5820 HS/Rnl/LG Expl: Dept: 16th. Oct. 1928. Messrs. The Dunlop Rubber Co., Fort Dunlop, Erdington, Birmingham. Dear Sirs, 20 HP. SILENT TREAD TYRES. With reference to your letter ref. WB/LW6410 of… | ||
| Scan075 | Introduction and performance of new silent tread tyres for cars. | ||
| View original record | R. from Hs. c. to BJ. Wor. c. to E. DA. c. to BY. X5820 Hsl/LG9.10.28. CAR TYRES. X. 8820 X. 582P X. 4050 Phantom cars are now being despatched with tyres having silent treads. These are the 6.75" on… | ||
| Scan076 | Letter from Dunlop Rubber Co., Ltd. regarding the availability of silent tread tyres. | ||
| View original record | X5820 DUNLOP RUBBER CO.,LTD. TELEGRAPHIC ADDRESS: "DUNLOPS, PHONE, BIRMINGHAM". TELEPHONE: BIRMINGHAM CENTRAL 4108 P. B. E. 25 LINES EXTENSION No. YOUR REF: OUR REF: Technical Director's Office. FORT… | ||
| Scan077 | Standardisation of 20' rims and 6' tyres for the 20 HP model. | ||
| View original record | RR 755 REVISED (10M) (D.C. 777 - 29 - 2 - 28) Mc C. LTD X5820 COMPLETED 27.10.28 STANDARDISATION of CHASSIS PARTS. Date 24.7.28 X No. 5820 527 Drawing No. Part List Description of Parts. 20" rims and… | ||
| Scan078 | The fitting of a new part to a chassis, including costs and testing date. | ||
| View original record | 16/9/10. The number of the chassis on which the new part will be fitted. 70 in N. series. Date when chassis will be handed to test. 3.11.28 Cost of scrapped material, if any. £91 Cost of jigs and… | ||
| Scan079 | Delay in the delivery of silent tread tyres from Dunlops due to faulty moulds. | ||
| View original record | To R. from Hs/Rm. c. to BJ. Wor. c. to E. DA. c/s to BY. X5820 Hs/Rm2/LG24.11.28. 20 HP. SILENT TREAD TYRES FOR 19" RIMS. X.5820 X.4050 We have just heard from Messrs. dunlops that the moulds they… | ||
| Scan080 | Order for a set of 6 silent tread tyres with tubes. | ||
| View original record | X5820 To ROY. from Hs/Rn. Hs/Rm6/LG5.12.28. Will you please order for us :- Y4050 1 complete set of 6 31 X 6" tyres for 19" rims complete with tubes. If possible we should like these to be of the… | ||
| Scan081 | Requesting to check availability and order six silent tread tyres from Dunlop for Mr. Royce's car. | ||
| View original record | To ROY. from Hs/Rn. X5820 Hs/Rn3/LG25.3.29. Some time ago we asked Messrs. Dunlop to supply us with silent tread tyres for 19" rims for Mr. Royce's car. Will you please find out whether they are able… | ||
| Scan082 | Supply and design status of Dunlop 'Fort' Silent Tread Tyres for the 20-HP model. | ||
| View original record | Hs. X5820 ROY/GEA4/EB28.3.29. 20-HP. TYRES. Referring to your memo reference - Hs/Rm3/LG25.3.29. The Dunlop Company inform us that a mould is in existence for the manufacture of 31 x 6.00 "Fort"… | ||
| Scan083 | Letter to W.A. Robotham concerning a customer's objection to the silent type of tyre. | ||
| View original record | COPY Y5820 1st. May 1929. (Dict.30th.ult). W.A. Robotham, Esq., Rolls-Royce Ltd., DERBY. X4050 Dear Mr. Robotham: Regarding the silent type of tyre - I think you might be interested to know that we… | ||
| Scan084 | Page two of a letter from W. Bond, Development Manager, to W.A. Robotham, Esq. | ||
| View original record | (2) W.A. Robotham, Esq. I do not know whether I am right in bringing this before your notice, but if I am not, would you kindly put this communication into the hands of the right Department. Yours… | ||
| Scan085 | Customer's objections regarding the original equipment 'Silent Tyres' fitted to their 20 HP car. | ||
| View original record | COPY 23rd. April 1929. Silent Tyres 32x6.00 size - Original Equipment on Rolls-Royce 20 h.p. Car, owned by Mr. Antweiler. It is conveyed to us that Mr. Antweiler has certain objections to this form of… | ||
| Scan086 | Investigation into incorrect tyre pressures caused by a faulty gauge and the resulting performance issues. | ||
| View original record | (2) driver to use lower pressures than this, i.e., not exceeding 30 lbs. all round. The driver states that he ascertains generally about once a week what pressure is in the tyres and restores it to 30… | ||
| Scan087 | Recommendation for a tyre pressure experiment for a customer's vehicle. | ||
| View original record | (3) We, therefore, recommend that a further experiment be made by running the tyres definately at the pressures recommended by the Rolls-Royce Co., viz., 35 lbs front and 40 lbs rear, for two or three… | ||
| Scan088 | The limitations of the gear ratio for the 20 HP vehicle based on tyre size and engine performance. | ||
| View original record | E. from Hs/Rm. Y5520 Hs/Rm5/LGS.5.29. 20 HP. GEAR RATIO. Y5370 With reference to E1/M26.4.29. We are not quite sure what figures you have used to arrive at the gear ratios you quote, but the standard… | ||
| Scan089 | Recommendation regarding rear tyre pressures for the 20 HP model. | ||
| View original record | X5820 To By. from Hs/Rn. c. to Hm. Hs/Rn.5/MJ.2.9.29. 20 HP. TYRE PRESSURES. -------------------- We recommend that owners should be instructed that it is permissible to run their rear tyre pressures… | ||
| Scan090 | Dunlop's difficulty in meeting the out-of-balance limit for 20 HP tyres and proposed solutions. | ||
| View original record | To By. From Hs/Rn. +5820 Hs/Rn.1/MJ.19.12.29. 20 HP. TYRES. X.4050 X.5820 Messrs. Dunlop are in trouble because they find the limit of out of balance which we specified on the 6" tyre for 19" rim is… | ||
| Scan091 | Number and size of balance weight washers for 20 HP Chassis tyres. | ||
| View original record | Hs/Rm. x5820. BY23/N.19.12.29. Re: 20 HP. Chassis - Tyres. Referring to your memo Hs/Rm1/MJ.19.12.29, whilst we agree the balance weight washer 1.35" dia. would make a neater job owing to the fact… | ||
| Scan092 | Customer objections to 'India' tyres and strategies for accommodating alternative tyre fittings. | ||
| View original record | S/W X5820 C13/C9.1.30. LARGE SECTION TYRES - INDIA & OTHERS. Hs/Rm3/MJ.1.1.30. E.7960 X.7820 X.5820 We note the objections to the "India" tyres and are arranging for this information to be conveyed to… | ||
| Scan093 | Letter to Dunlop Rubber Co. Ltd. clarifying tyre specifications used for power consumption tests. | ||
| View original record | X5820. Expl. Dept. Hs/RnL/MJ. Feb.14th.1930. The Dunlop Rubber Co.Ltd., Fort Dunlop, Erdington, BIRMINGHAM. Dear Sirs, For the attention of Mr. Bond. We thank you for your letter of the 13th.inst.,… | ||
| Scan094 | The out-of-balance allowance for 6' tyres on 19' rims for the 20 HP chassis. | ||
| View original record | x5820. BY. From Hs/Rn. Hs/Rn. 2/MJ.14.2.30. Y401 x5820 x5810 OUT OF BALANCE OF 6" TYRES FOR 19" RIMS. 20 HP. CHASSIS. With reference to your By.23/N19.12.29. Please note that the Dunlop Rubber Co.,… | ||
| Scan095 | Letter to the Dunlop Rubber Co. Ltd. authorising the supply of tyres with a specific out-of-balance limit. | ||
| View original record | X5820. Expl. Dept. Hs/Rn.3/MJ. Feb.14th.1930. The Dunlop Rubber Co. Ltd., Fort Dunlop, Erdington, BIRMINGHAM. Dear Sirs, For the attention of Mr. Bond. With reference to your letter of the 13th.inst.,… | ||
| Scan096 | Remedy for out of balance 6' tyres for 19' rims on a 20 HP Chassis. | ||
| View original record | COPY. Hs. X5820. BY/Mtn.8/N.18.2.30. Re. Out of Balance of 6" tyres for 19" rims. 20 HP. Chassis. X.401. X.5820. X.5810. Referring to your memo Hs/Rn2/MJ.14.2.30., we have arranged for the extra out… | ||
| Scan097 | 7' x 19' U.S. Royal Tyre, comparing its dimensions and weight with standard Dunlop tyres. | ||
| View original record | To OY. From Hs/AJL. c. to BY. c. to DR. c. to EV. X 5820 - Hs/AJL.2//WJ.8.5.30. x3895 x7820 x5820. 7" x 19" U.S. ROYAL TYRE (FLAT BASE RIM). The attached chart shows the dimensions, weight etc., as… | ||
| Scan098 | Comparative table of specifications for four different types of tyres. | ||
| View original record | 7"x 19" U.S. Royal Tyre. | 33 x 6.75 Silent Tread Dunlop. PII | 6 x 19" S.T. Fort Reinforced Dunlop. | 7 x 20 S.T. Fort Reinforced Dunlop. PII --- Max. width of tyre section. | 6.9" | 6.93" | 6.025" |… | ||
| Scan099 | Correcting the wheel revolutions per mile figure for a specific Dunlop tyre. | ||
| View original record | X5820. To Oy. From Hs/AJL. c. to Ey. c. to Da. c. to EV. Hs/AJL.1/MJ.15.5.30. X3895 X7820 X5820 TYRE SIZES. With reference to Hs/AJL.2/MJ.8.5.30., the figure of 630.5" quoted for the wheel revs/mile… | ||
| Scan100 | The recommended tyre pressures for Phantom II and 20 HP models. | ||
| View original record | COPY. JLE. Lillie Hall. c. Rm. X5820. EP/Thn3/H20.5.30. X.7820. X.5820. re. Tyre Pressures. With reference to your memo. LE6/R13.5.30. The tyre pressures we recommend for Phantom 11 and 20 HP. both… | ||
| Scan101 | Encouraging results of testing a new experimental silent tread Dunlop tyre. | ||
| View original record | S/W. Wor. From PN. c. to Hs. COPY. X5820 PN.3/WT8.8.30. X.4050. X.7820. X.5820. The set of the latest type of silent tread Dunlop tyres (Experimental) which have beeen run on 1-WJ has given… | ||
| Scan102 | The wear and tear of experimental silent type tyres after 4,700 miles of use. | ||
| View original record | COPY. S/W. Hs/Rn. X5820 C.10/C4.10.30. X.4050. X.7820. X.5820. NEW TYPE TYRES. On the question of wear and tear with the experimental silent type tyre which has been running on our Trials car, this… | ||
| Scan103 | Letter to Dunlop Rubber Co. confirming the decision to make the modified Silent Tread tyre the standard equipment for their cars. | ||
| View original record | x5820. X.4050. X.7820. X.5820. Expl. Dept. Hs/Rn.2/MJ. 7th. October 1930. The Dunlop Rubber Co. Ltd., Fort Dunlop, Erdington, BIRMINGHAM. For the attention of Mr. Bond. Dear Sir, With reference to… | ||
| Scan104 | Test report on modified Dunlop Silent Tread Tyres, focusing on road adhesion and noise characteristics. | ||
| View original record | X5820 To R. From Hs/AJL. c. to Sg. Wor. c. to C. Da. c. to EV. Hs/AJL.1/MJ.7.10.30. DUNLOP SILENT TREAD TYRES. X. 4050. X. 7820. X. 5820. We have received for test a set of Dunlop 7" x 20" Silent… | ||
| Scan105 | Tyre modification and testing, noting improved road adhesion and wear compared to the standard silent tread. | ||
| View original record | -2- Hs/AJL.1/W.7.10.30.Contd. improvement in road adhesion is that has resulted from the modification, because we have not had the opportunity of testing them under the bad conditions that occur on… | ||
| Scan106 | Returning a signed standardisation sheet for a tyre tread pattern modification. | ||
| View original record | COPY. S/W. Hs. X5820 C14/C9.10.30. X.4050. X.7820. X.5820. I return herewith Standardisation Sheet No.4050/7820 "Modification to tread pattern on tyres" duly signed by me. No doubt you will be… | ||
| Scan107 | Standardisation document for a modification to the tyre tread pattern to improve road grip. | ||
| View original record | RR 785 (10H) (3-7-30) BM. 6/2571. X5820 COMPLETED 12.11.30. STANDARDISATION of CHASSIS PARTS. Description of Parts. MODIFICATION TO TREAD PATTERN ON TYRES. Origin. To improve grip on the road. Date… | ||
| Scan108 | Comparison of Dunlop and India tyres for 40/50 & 20 HP cars, focusing on tread, non-skid properties, and comfort. | ||
| View original record | W/S. To C. From Hs/Rm. c. to Sg. Wor. TYRES 40/50 & 20 HP. CARS. Dunlops recently supplied us with two tyres from their Canadian factory with a view to showing us a tread pattern which had the… | ||
| Scan109 | Confirming a telephone conversation regarding modifications to frame width, axle design, and tyre specifications for 'Japan III'. | ||
| View original record | DA/EV. c. Hs. c. BY/Cgh. c. BY/SS. c. BY/HEB. c. BY/TWD. XS820. BY.4/G.19.10.31. XS770 XS820. TELEPHONE CONVERSATION WITH VV. 19.10.31. JAPAN 111. We wish to confirm our telephone conversation in… | ||
| Scan110 | Tyre sizes, including the actual and nominal sizes for chassis prints. | ||
| View original record | -2- size, and treated the side steering layout in a similar manner, as in view of the facts there is only one tyre size to be worked to viz. 32.130" actual. The rolling radius of tyre is given to us… | ||
| Scan111 | Consequences of a tyre change on vehicle height and proposing trials with different rim sizes. | ||
| View original record | BY. ) FROM DA/EV. X5820 DA/EV2/M20.10.31. X5820 X5810 HS. ) Copy to - SG. 25 HP. TYRES & WHEELS. We have just discovered that last Sept. a change was made from Dunlop silent to Dunlop Fort silent… | ||
| Scan112 | Tyre and wheel specifications for a 25 HP car, including effects on gear ratios. | ||
| View original record | x5820. To Ev. from Hs/Rn. c. to By. Sg. Hs/Rn.5/AD23.10.31. x5820. x5810. 25 HP. TYRES AND WHEELS. ----------------------- With reference to Da3Ev.2/M20.10.31. we regret that you did not realise we… | ||
| Scan113 | Tyre and wheel dimensions for the 25HP model, noting discrepancies and planning for new wheel tests. | ||
| View original record | COPY. X5820. BY. FROM DA/EV. HS. Copy to - SG. 25HP. TYRES AND WHEELS. DA/EV1/M26.10.31. X5820 X5810 HS/RM5/AD231031. We thank you for BY4/G191031., and We do not wish to raise an argument… | ||
| Scan114 | Questioning the recommended tyre pressures for various chassis, comparing them to lower pressures for better comfort. | ||
| View original record | X5820. To BY. from ROY c. to Hs. ----------------- ROY2/MG27.6.32. x)820. ----------------- Might I suggest the question of the Tyre Pressures recommended for our various chassis be investigated… | ||
| Scan115 | Secret memorandum regarding the temporary unavailability of the 20 HP 'India' demonstration car. | ||
| View original record | To Hs. from BJ. Copies to... WOT G. SECRET. X5580 BJ6/H24.7.25. 20 HP. Car. It seems that we shall be without a demonstration 'India' car for some time - probably a week or ten days - after we make… | ||
| Scan116 | Unsatisfactory slipper drive on a New 20 HP Trials Saloon Chassis, GYK-10. | ||
| View original record | S/W. To Hs. Copy to E.J. C. GWB. HP. X5950 PN1/EH.26.11.26. New 20 H.P. Trials Saloon Chassis - GYK-10. This is the car in which you drove to the station yesterday morning. As I have informed you,… | ||
| Scan117 | Faults and the inconsistent working of the slipper wheel on the 20 HP Trials Saloon, chassis GYK-10. | ||
| View original record | To PN. from Hs. c. to BJ. c. to C. c. to CWB. c. to EP. X5950 Hs5/LG29.11.26. 20 HP. TRIALS SALOON - GYK-10. L5300 X8300 When I drove this chassis to the Station, I could not appreciate that there was… | ||
| Scan118 | The 20-HP Trials Saloon, chassis GYK-10, in reply to a previous memo. | ||
| View original record | W/H PNL G. MD. G. Cly G. ORD. c. Hs. V5950 EP. is absent. ThS/H30.11.26. re. 20-HP. Trials Saloon. Chassis GYK-10. Replying to the last paragraph of your memo PNL/EH.26.11.26. Depot Sheet No. 535 was… | ||
| Scan119 | Need for frequent attention to old mechanical friction type dampers due to variations in loading. | ||
| View original record | To PN. from Hs/Rm. c. to BJ. CWB. c. to EP. Br. Hs/Rm2/LG2.12.26. C.M.S. 20 HP. SALOON - GYK-10. With reference to PN7/EH1.12.26. We presume that the dampers referred to are the old mechanical… | ||
| Scan120 | Engine thump on a 20 HP Landaulet trials car (GSK-35) before the Scottish Motor Show. | ||
| View original record | S/W. To Hs. Copy to Hm. EP. CWB. BH. K5950 PN5/EH.6.12.26. GSK-35 - Trials 20 H.P. Landaulet. This, with other Trials cars, will be on its way to the Scottish Motor Show tomorrow, Tuesday. This car… | ||
| Scan121 | Arrangements for a road trial of the GSK-35 20-HP Trials Landaulette. | ||
| View original record | W/S PN c. Hs. c. Hm. c. CWS c. Bk. X5950 EP's Dept. EP. is absent. Thn4/H9.12.26. re. GSK-35. 20-HP. Trials Landaulette. With reference to your memo. PN/Bk6/LH7.12.26., unfortunately both EP. and Hs.… | ||
| Scan122 | Arranging for a 20 HP Trials Landaulet to be inspected in Derby. | ||
| View original record | S/W To Mr. Copy to Mr. EP. HS. X5950 PN5/SH.10.12.26. GSK-35 - 20 H.P. Trials Landaulet. Will you please arrange that this car calls at Derby on its way back from Edinburgh, in order that EP. and… | ||
| Scan123 | Instructions for modifications and engine work on a 20 HP Landaulet, chassis GSK-35, following the Scottish Motor Show. | ||
| View original record | X5950 S/W. To Wer. Copy to Hm. Hs. DR. BFT. CWB. PN3/SH.22.12.26. Hs. RECEIVED 23 DEC 1926 20 H.P. Landaulet - GSK-35. This car is now at Derby, having been left there by the driver on its way back… | ||
| Scan124 | Disposal of a demonstration car, a 29-HP Landaulet, due to an undesirable engine feature. | ||
| View original record | x5950 W/S PN. c. Wor. c. Mn. c. Hs. c. Se. c. OND. RECEIVED 24 MAR 1927 EP2/H24.12.26. 29-HP. Landaulet, GSK-35. With reference to your memo PN3/EH22.12.26. we suggest in view of the undesirable… | ||
| Scan125 | Summary of an investigation where no cause for a reported trouble was found. | ||
| View original record | details which may be the cause of the trouble, but so far everything seems in order. EP. | ||
| Scan126 | Modifications and issues with a 20-HP Landaulet, chassis GSK-35. | ||
| View original record | W/S PN. c. Hs. c. Sg. c. CWB. X5950 EP11/H30.12.26. re. 20-HP. Landaulet. GSK-35. We regret not hearing from you in regard to our FP2/H24.12.26. and we have not proceeded with the modifications which… | ||
| Scan127 | Plan for the 20 HP Trials Landaulet, GSK-35. | ||
| View original record | S/W. To Mr. Copy to C. Hs X5950 PN1/EH.1.1.27. 20 H.P. Trials Landaulet - GSK-35. In reply to your EP11/H30.12.26. we think the best plan would be for this car to be returned to us at once, without… | ||
| Scan128 | Standardisation of the cross steering tube on the 20-HP Trials Landaulet, chassis GSK-35. | ||
| View original record | W/S F.N. c. C.C. c. CWB. c. Hs. 45950 EP6/H3.1.27. 20-HP. TRIALS LANDAULET. GSK-35. With reference to PNL/EH/1.1.27 - this car has been handed back to us by the Experimental Dept. today, and we are… | ||
| Scan129 | Engine roughness and vibration issues on a GAJ-53 Barkerlite Limousine. | ||
| View original record | S/W. Copy to Hs. GAJ-53 - Barkerlite Limousine. I am sending this car to Derby immediately, and until we have it back in London we shall be without a demonstration car of this type. Owing to engine… | ||
| Scan130 | Swapping of an engine between two 20 HP trials cars for testing and improvement purposes. | ||
| View original record | S/W. X5950 PN2/EH.13.1.28. To WOR. (text struck through) Copy to Sr (text struck through) Mr (text struck through) Hs. RE: 20 H.P. TRIALS CARS - GAJ-53 - Barkerlite: GHJ-81 - Open Touring. I… | ||
| Scan131 | Expressing disappointment with the rough performance of an Open Touring car following an engine swap. | ||
| View original record | S/W. To HP. [strikethrough] Copy to G. OWD. Hs. 20 h.p. Trials Cars: Barkerlite GAJ-53: Open Touring GHJ-81: It was a great disappointment to me to find, when again running the Open Touring car in… | ||
| Scan132 | The engine changeover between 20-HP trials cars GHJ-81 and GAJ-53. | ||
| View original record | W/S PN. c. C.G. c. OWB. c. Hs. c. Wor. K5950 EP7/H20.1.28. 20-HP. TRIALS CARS. Barkerlite. GAJ-53. Open Touring. GHJ-81. With reference to your PN1/EH,19.1.28. - GHJ-81 has now arrived at the Works. I… | ||
| Scan133 | The trials of a Barkerlite car, detailing issues with body resonance and experimental alterations to mitigate them. | ||
| View original record | W/S. C. from Hs. c. to Wor. SG. c. to EP. Hs. c. to MX. CWB. X5950 Hs/RML/LG9.2.28. BARKERLITE TRIALS CAR. [s]X5950[/s] X5830 Our conclusions on this car are that it is one of the worst bodies for… | ||
| Scan134 | Letter regarding the return of a car with experimental parts and the process to restore it to standard condition. | ||
| View original record | contd :- -2- We are returning the car to you with the experimental pieces fitted, and at the same time are also sending the standard parts. We have arranged that the standard rear engine feet can be… | ||
| Scan135 | Telegram received by telephone asking when bakelite will arrive in London for the Experimental Department. | ||
| View original record | RR 144A (50BKS.) (DB 914 6 5.25) MP 317364 ROLLS-ROYCE LTD. H 8630 X5950 TELEGRAM RECEIVED BY TELEPHONE. STAMP: RECEIVED FEB 13 1928 Time Received: 12 41 Date: 13-2-28 To: Roycar Derby By: N&A from:… | ||
| Scan136 | Front axle oscillation, or 'axle rocking', observed during the London's Continental trials of chassis G.X.L.-60. | ||
| View original record | "Hs" Copy X5950 Chassis G.X.L.-60 - London's Continental trials I have just tried this car after small adjustments we have made, and find it a very agreeable car to drive. The general performance is… | ||
| Scan137 | Requesting the preparation of a 20 HP chassis for a 10,000-mile trial car. | ||
| View original record | X5900 CWB3/DN22.3.26. S/W - Hs FROM CWB 10,000 miles Trials car for "S" (20 HP). I am requested by BJ to advise you that it is desired to test as soon as possible a 20 HP chassis generally similar to… | ||
| Scan138 | Inquiry about the progress of a 20 HP trial chassis and the concealment of any noticeable experimental parts from coachbuilders. | ||
| View original record | S/W. Hs. X5900 CWB10/GM/13-4-26 How is our 20 h.p. chassis with new features for trial getting on? When may I anticipate receiving the chassis so that arrangements may be made for the body? Are there… | ||
| Scan139 | Preparation of a 20 HP car for a 10,000-mile sales test. | ||
| View original record | To CWB. from Hs. X5900 Hs1/LG14.4.26. 20 HP. FOR SALES 10,000 MILES TEST. X5770 We are progressing with the experimental pieces; we have not yet started to build up the chassis. Our recommendation is… | ||
| Scan140 | Allocation of chassis No. 1644 for a 20 HP car ten-thousand-mile sales test and dispatch to Hooper's Works. | ||
| View original record | S/W (Hs.) X5900 C/Hnl/EDI/20. 4. 26. Copy to CWB. Copy to Sn. 20 H.P. CAR FOR SALES TEN THOUSAND MILE TEST. Will you kindly note that we have allocated chassis No. 1644 for this purpose? When the… | ||
| Scan141 | Arrangement for fitting a louvered bonnet to chassis no. 1644 for a 10,000-mile test. | ||
| View original record | S/W. Hs. X5900 CWB6/PD/21-4-26. 20 h.p. Car for Sales 10,000 Mile Test. -------------- You will have received C/Hnl/ED1/20.4.26. I am returning to-day the louvred bonnet for 20 h.p. car which you… | ||
| Scan142 | Requesting the chassis number and proposed programme for the 20 HP 10,000 miles test car. | ||
| View original record | To CWB. from Hs. V5900 Hs8/LG20.5.26. SALES 20 HP. 10,000 MILES TEST CAR. With reference to the 20 HP. which is being prepared. Can you mow let us have the number of the chassis and your proposed… | ||
| Scan143 | The fitting of experimental parts to chassis no. 1644. | ||
| View original record | To SFH. from Wor. Mr. Hs. X 5900 RE CHASSIS NO. 1644. This chassis, as you know, is to have certain parts fitted by the Experimental Department. CWB. called in last night and stated that they wished… | ||
| Scan144 | The completion of a new 20-HP engine with modified parts for a 10,000-mile test. | ||
| View original record | X5770 X5900 - from SFT. c. Hs. c. Wor. Hs SFT.18/LMG. 2.6.26. [STAMP: RECEIVED] THE NEW ENGINE. (20-HP). With reference to Wor's memo. Wor5/M22.5.26. please note we shall complete the new 20-HP.… | ||
| Scan145 | Modifications to the steering column and pedals on a 20 HP experimental car. | ||
| View original record | To CWB. from Hs. c. to Sg. X5900 Hs6/LG21.6.26. 1644 - 20 HP. CAR. X5770 I do not know whether we have made it clear to you, that the new steering column which is being fitted to the 20 HP.… | ||
| Scan146 | Clarifying the specifications for a 20 HP car test, regarding its 'India' build features like the louvered bonnet and springs. | ||
| View original record | S/W. EP. Copy to:- Q. Hs. Hs X5900 CWB1/GM/22-6-26. Re: 20 H.P. Car. 10,000 mile test 1644 (GUK-34) Your memo EP11/H19626 received. It would appear that the use of the word 'India' in some of the… | ||
| Scan147 | Confirming an altered coachbuilder's drawing for a 20 HP car has been passed to Messrs. Hooper. | ||
| View original record | Hs. L5900 CWB4/GM/25-6-26 Re 1644. 20 h.p. car. Thanks you for your Hs6/LG21626. I have now received the altered coachbuilders drawing and have passed it on to Messrs. Hooper, who will be supplying… | ||
| Scan148 | Chassis inspection at Hooper's for a 20 HP car regarding altered pedals and steering column. | ||
| View original record | S/W. Hs. X5900 Sg7/BM/2.7.26. Re: Ref: 1644 - 20 HP. Car. 10,000 Miles. In view of what you said in Hs6/LG21.6.26. I arranged for HO. to go down to Hooper's as soon as the body was on the Chassis and… | ||
| Scan149 | Policy discussion on not sending experimental cars with new features to London coachbuilders. | ||
| View original record | W/S. Sg. from Hs. X5900 Hs2/LG6.7.26. 20 HP. CHASSIS - NO.1644. X3993 Replying to Sg7/BM2.7.26. The policy which has been laid down is that we should not send experimental cars with obviously new… | ||
| Scan150 | Correspondence regarding alterations to seating dimensions and a custom cushion for 20 HP Chassis No. 1644. | ||
| View original record | S/W. Hs. X5900 Sg8/BM/7.7.26. Re: 20 HP. Chassis No. 1644. (GUK.34.) Thanks for Hs2/LG6.7.26. I quite understand why the Chassis was sent to London with the standard steering pedals. I thought… | ||
| Scan151 | Bodywork, seating, and consultation for 20 HP Chassis No. 1644. | ||
| View original record | To Sg. from Hs. Y5900 Hsl/LG8.7.26. RE. 20 HP. CHASSIS - No. 1644. X5830 We are certain, that whatever body is fitted to this chassis, it will be criticised by R., and we think it will be as well if… | ||
| Scan152 | Confirming the fitting of an adjustable front seat to Experimental Car No. 1644. | ||
| View original record | X5900 S/W. Hs. Sp4/BM/9.7.26. Re: 20 HP. Experimental Car No. 1644. With further reference to my memo of the 7th instant, I now learn that the body which we are fitting has an adjustable front seat so… | ||
| Scan153 | The unsuitability of a standard Hooper Saloon body for a 10,000-mile test on a Goshawk chassis. | ||
| View original record | HS XS900 to Bg from EV. copy to HS EV1/14.7.26. RECEIVED Hs 15 JUL 1926 RE GOSHAWK. No.1644. We thank you for your Sg16/BM/9.7.26. From our conversation on the phone we gather that this chassis, which… | ||
| Scan154 | New features and modifications for the 20 HP. chassis 1644. | ||
| View original record | X5900 To DA/EV. from Hs. c. to Sg. Hs3/LG16.7.26. RE. 20 HP. CHASSIS - 1644. X5900 X5770 The following new features which have not yet been standardised are to be fitted to 1644 chassis :- (1) Cast… | ||
| Scan155 | Sale and body fitting for a 20 HP chassis, number 1644. | ||
| View original record | HP S/W. (Da/EV.) X 5900 Sg5/LH22.7.26. RE: 20 H.P. CHASSIS NO. 1644. We are waiting to hear what is decided in regard to this car, i.e. whether we sell it as a standard car and let Hs build up another… | ||
| Scan156 | Engine modifications for chassis 1644 and the agreement to sell it. | ||
| View original record | To Sg. from Hs. c.c. to DA/EV. c.c. to Wor. X5900 Hsl/LG23.7.26. CHASSIS 1644. ------------------ The engine in this chassis is fitted with the following new parts :- (1) Connecting rods with… | ||
| Scan157 | Letter arranging the collection of a 9G.111 car and the return of a 20 HP Weymann trials car. | ||
| View original record | s Hs. c/O R. at W.W. [strikethrough]Copy to Works[/strikethrough] X5950 X80 PN.12/WT10.7.28. Thank you for Hs3/LG9.7.28 relative to my having 9G.111 car on the 13th. I shall be glad to hear from you… | ||
| Scan158 | Spring experiments for the GYL-25 Sales Trials Car following feedback from Mr. Royce. | ||
| View original record | S/W. Hm. Copy to:- Hs. N. EP. Sg. PN. X5950 180. CWB2/GM/20.7.28. Re: GYL-25. Sales Trials Car. As the result of a trial yesterday by Mr. Royce of this car, after which he expressed the opinion that… | ||
| Scan159 | Request to borrow the Barkerlite Trials car CAJ.23 to carry out an experimental test on its rubber engine mounting. | ||
| View original record | To C. from Hs/Rm. X5950 Hs/Rm2/LG24.8.28. X5005 You will recollect that in Feb. last we fitted rubber engine mounting to the Barkerlite Trials car CAJ.23. If it is possible, we want to borrow this car… | ||
| Scan160 | Brake servo 'snatching' issue on a London Open Touring Trials car. | ||
| View original record | Ho X5950 S/W (that) Copy to Hs. PN.7/WT24.8.28. GHJ-81. LONDON OPEN TOURING TRIALS CAR. A very troublesome point has arisen in connection with this car i.e. the difficulty of preventing "snatching"… | ||
| Scan161 | Trial and sale of chassis GAJ-53 with an experimental engine mounting. | ||
| View original record | W S/W. (Hs) X5950 XF9 Sg/Hn3/EDI/14-9-28. GAJ-53. EX TRIALS. This is the chassis with the experimental engine mounting which we understand you are anxious to try. The renovation of the coachwork in… | ||
| Scan162 | Experimental engine feet on car GAJ-53, recommending they be replaced with standard parts before sale. | ||
| View original record | W/S. To Sg/Hn. from Hs. x5950 Hs2/LG14.9.28. RE. GAJ-53 - EX. TRIALS. x5005 The engine feet fitted to the above car have never been standardised; they were put on as an experiment when it was… | ||
| Scan163 | The production and instruction of necessary pieces for chassis GSK-55. | ||
| View original record | X5950? to Hm. from Hs/Rm. 9 He/Rm2/LG/8.11.28. X4118 With reference to chassis GSK-55. We understand that production are making these parts. We therefore suggest that you arrange with BY/CGH. to… | ||
| Scan164 | Request for the loan of a 20 HP Trials car to investigate a knocking issue in the rear shock absorbers. | ||
| View original record | To C. from Hs/Rm. c. to Wor. x5950 Hs/Rm2/LGL2.11.28. x5520 Further to our conversation of last week. We regret that you cannot let us have your 20 HP. Trials car to investigate the knocking of the… | ||
| Scan165 | Request for the latest porcelain cleanable plugs for the New Phantom and Goshawk models. | ||
| View original record | To Hs. from R. X5970 R1/M26.6.25. X.4425 X.8970 X.5970 Would you please send to WW. 2 doz. of the latest porcelain cleanable plugs - for New Phantom and Goshawk. The doz. we have here are the… | ||
| Scan166 | On the 20 HP 10,000 miles test at Chateauroux, detailing issues with overheating spark plugs and the engine mounting. | ||
| View original record | Hs. E. BY. DA. From R. c. to BJ. Wor. C. c. to SS. CWB. PN. X5970 R2/M14.1.29. 20 HP. AT CHATEAUROUX - 10,000 MILES TEST. X.5840c X.5970 X.1918 X.5005 Apparently there is not much wrong with this, 4… | ||
| Scan167 | Pre-ignition, ignition plug temperature, and water cooling issues in an aluminium cylinder head. | ||
| View original record | R. from E. c. to SG. Hs. BY. X5970 E1/110.4.29. INDIA 4. - COMPRESSION RATIO & PREIGNITION. X.790 X.1812 X.5970 X.5050 Hs/ACLL/LG28.3.29. (1) HIGHER TEMPERATURE OF IGNITION PLUGS. Regarding the… | ||
| Scan168 | Proposals and considerations for improving engine performance, focusing on compression ratio, water cooling of plugs, and ignition advance. | ||
| View original record | contd :- -2- with the proposed reduction in the India 4, compression ratio however there is a distinct opportunity of considerably improving the water cooling of the plug. We propose to add .125"… | ||
| Scan169 | Conclusions from a cylinder head test, with proposals for modification. | ||
| View original record | contd :- -3- CONCLUSIONS : (1) It is suggested that there is a definite hot spot immediately under the plug on the actual cyl. XX head tested. (2) It is proposed to modify the combustion chamber to… | ||
| Scan170 | Tendency to misfire on high compression 20/25HP engines and recommending a smaller spark plug gap. | ||
| View original record | Hs. from Mx. X5970 Mx3/T30.5.30 Sparking Plugs - High Compression 20/25HP We find on test that there is a tendency to misfire picking up. We find it an advantage to use a plug with a gap of .020… | ||
| Scan171 | Note regarding sparking plug voltages on the 20/25 chassis, referencing another report. | ||
| View original record | X.5970. 9.2.31. Regarding the sparking plug voltages operative on the 20/25 chassis see a report EFCl/ADl7.12.30 in X.5680. | ||
| Scan172 | The likely standardisation of the smaller 14 mm sparking plug. | ||
| View original record | Y5970 To R. From Hs. c. to Sg. Wor. c. to Rg. E. c. to By. Da. SPARKING PLUGS. Hs.5/MJ.23.10.31. X.4425. X.1918. X.5970. X.7970. It appears to be coming definitely established that the smaller size of… | ||
| Scan173 | Fix for an oil leak on the rear end of EAC and 20 HP engines, involving the attachment of a cover. | ||
| View original record | To BY. from E. c. to CJ. Hs. X5980 E1/M27.8.25. EAC. AND 20 HP. ENGINES - OIL LEAK X.8000 REAR END. X.8980 X.5980 Referring to the oil leak on the rear fitting of the high pressure oil gallery pipe… | ||
| Scan174 | Consideration of a 10,000-mile test for a 20 HP 'India' Production Car. | ||
| View original record | X5980 To Hs. from BJ. BJ14/H1.10.25. Re 20 HP. 'India': 10,000 Miles Test. As we are now considering whether it would be necessary for us to run a 10,000 miles test of a Production Car, it will be of… | ||
| Scan175 | Query about non-standard parts, lubrication, and alterations for a 20 HP 'India' car following a 10,000-mile test. | ||
| View original record | Distributor Propeller shaft To Hs. from BJ. BJ13/H23.9.25. Re 20 HP. "India": 10,000 Miles Test. Will you kindly let us know if there were any parts on this car which will not be, or are not now being… | ||
| Scan176 | Oil test and a revised lubrication procedure for the propeller shaft joints on a 20 HP 'India' car. | ||
| View original record | x5980 To BJ. from Hs. Hs4/LG5.10.25. 20 HP. 'INDIA' 10,000 MILES TEST. x5840 x5980 The oil used on the 20 HP. car was Wakefields 'XL' Castrol. During the period of tests in France we have carried out… | ||
| Scan177 | Need for a lubrication piping system to reach inaccessible points on owner-driver cars. | ||
| View original record | 45980 To C.J. from R. c. to BJ. DA. c. to BY. Hs. R7/M13.10.25. LUBRICATION - OWNER DRIVER X.8080 X.5980 We must have a piping system to at least the inaccessible points such as :- . Back end of front… | ||
| Scan178 | Query regarding the necessity of a lubricator for the servo drive on the India Gearbox. | ||
| View original record | +5980 To BY. from AJS. c. to Hs. AJS1/M14.12.25. RE. INDIA GEARBOX, AND FLOOR CUT AWAY X.5310 X.5500 ABOVE. X.5370 X.5980 We telegraphed you on Thursday last as follows ;- "DOES HIVES CONSIDER… | ||
| Scan179 | Overoiling issue on 20-HP cars and the proposal to supply depots with new piston rings. | ||
| View original record | X5980 c. Hs. EP/Thn5/H21.1.26. re. Overoiling - 20-HP. Cars. We had not thought it necessary to circularise the Depots in regard to overoiling on 20-HP. cars, but we are informed by the Repair Dept.… | ||
| Scan180 | Recommending a standardized gear oil for axles and gearboxes on 20 HP and Phantom models. | ||
| View original record | To BY. from Hs. c. to EP. c. to Mx. c. to Hm. X5980 Hs2/LG23.12.26. GEAR OIL. X5980 At the present time we recommend thick Amber 'B' gear oil for the 20 HP., whereas for the Phantom we recommend thin… | ||
| Scan181 | Automatic system for extra cylinder lubrication. | ||
| View original record | X5980. BY. FROM E. El/M26.11.31. C. to SG. WOR. HS. J. J. EXTRA CYLINDER LUBRICATION. We send you herewith LeC's 2974/75/76., dealing with the above. To overcome the trouble of the driver omitting to… | ||
| Scan182 | Clarifying a misunderstanding regarding the 20/25 HP lubrication system and the sourcing of parts. | ||
| View original record | Roy from Sft. Wcr. Ry. H. Hs. x5980. Sft.1/MM.14.7.32. RECEIVED 14 VII 1932 20/25 HP. LUBRICATION. Ref: Roy8/MG.12.7.32. We think Roy. has misunderstood our note on 20/25 HP Lubrication. We do not… | ||
| Scan183 | Tests conducted on a thermostat from Messrs Smith & Sons for extra cylinder lubrication. | ||
| View original record | X5980. E. from Hs/Rm. c. to By. Hs/Rm.12/KT.10.10.32. X3499. EXTRA CYLINDER LUBRICATION CONTROLLED BY THERMOSTAT. We have now conducted tests on the latest thermostat supplied by Messrs Smith & Sons.… | ||
| Scan184 | Unsuccessful testing of thermostat bellows for extra cylinder lubrication. | ||
| View original record | X5980- x3499 E. from Hs/Rm. Hs/Rm.6/KT.14.10.32. We have tested the rating of the thermostat bellows for the extra cylinder lubrication. The attached curve Hs.731 shows the results. It will at once be… | ||
| Scan185 | Graph showing the rating of bellows for a J III Cylinder Oil Thermostat, plotting extension against load. | ||
| View original record | J III CYLINDER OIL THERMOSTAT. RATING OF BELLOWS. H.S.731. 12-10-32. MAX: MOVEMENT .250". EXTENSION - INS: 0.1 0.2 0.3. LOAD - LB: 2 4 6 8 10. | ||
| Scan186 | Complaint of overoiling on a 20-HP Chassis from America. | ||
| View original record | Hs. BY. Mr. 5991 EP/Thn7/H18.12.25. re. Overoiling - 20-HP. Chassis. We have received a complaint from America with regard to overoiling on a 20-HP. Chassis No. 44-G-3, after 3,500 miles. We attach… | ||
| Scan187 | Letter from the American branch to London regarding an overoiling engine issue on a 20-HP car. | ||
| View original record | COPY. ROLLS-ROYCE OF AMERICA, INC. SPRINGFIELD, MASS. SRN-11/H25124. Rolls-Royce Ltd., London. Dec. 4th.1925. Gentlemen, re. 20-HP. 44-G-3. Ryan. Mileage 3,500. The owner of the above car complained… | ||
| Scan188 | Requesting an experimental varnished cambric covered Maconites H.T. cable for a Phantom II chassis. | ||
| View original record | X 6009 Roy. from EFC. EFC2/AD20.11.29. X.3860. (crossed out) VARNISHED CAMBRIC COVERED MACONITE H.T. CABLE Will you please obtain for us for experiment, a quantity sufficient for two Phantom II… | ||
| Scan189 | Letter from The Macintosh Cable Company Ltd. regarding the supply and testing of Maconita H.T. Ignition Flexible cable. | ||
| View original record | X6009. COPY. THE MACINTOSH CABLE COMPANY LTD. DERBY. BK/LH. 2nd December, 1929. Messrs. Rolls-Royce Ltd. Nightingale Rd. Derby. Dear Sirs, Maconite H.T. Ignition Flexible Our D.O.14022. We duly… | ||
| Scan190 | Comparative tests of Maconite, Gloverite, Super Glover, and Helsby H.T. ignition cables on a Phantom I chassis. | ||
| View original record | To R. from EFC. c. Sg. c. WOT. H. c. Da. Ey. X6009 EFC4/ADS.12.29. X.4473. CHASSIS H.T. IGNITION CABLES. X6009 Just previous to the standardisation of Maconite H.T. ignition wires for the chassis we… | ||
| Scan191 | Results of physical and chemical tests on various dielectric cable materials. | ||
| View original record | -2- EFC4/ADS.12.29. contd. (A) Physical and chemical tests of the dielectric. (B) Electrical tests (C) Chassis and subsequent tests. The details of the tests under Section (A) are as follows :- (1)… | ||
| Scan192 | Test results on four different cable insulation materials, including voltage breakdown and flammability. | ||
| View original record | -3- EFCA/AD6.12.29 contd. Effect on Super Clover - none appreciably " " Helsby - slight softening. " " Maconite - none appreciably. All four samples ignited with the same degree of moderate… | ||
| Scan193 | Test report on the performance of different types of electrical cable insulation under high voltage and heat stress. | ||
| View original record | -4- EFC4/ADS.12.29 contd. (6) The cracking effect on the insulation brought about by high voltage oscillatory brush discharges passing along the surface of the insulation to earthed clips thereon. The… | ||
| Scan194 | Test report comparing the insulation performance of Gloverite, Super Glover, Maconit, and Helsby cables after 10,000-mile road tests. | ||
| View original record | EFC4/AD6.12.29 contd. -5- "Samples of Gloverite and Super Glover were run over 10,000 miles on experimental Phantom I chassis 12-EX, and samples of Maconit and Helsby were run a second 10,000 miles… | ||
| Scan195 | Comparative electrical tests on Maconite, Gloverite, and Helsby cables. | ||
| View original record | -6- cables were tested and in the case of the former make, one sample broke down after 1/2 min. at 19,300 volts R.M.S. and the other after 2 mins. at the same voltage, whilst both the Maconite samples… | ||
| Scan196 | Comparison of Maconite, Cloverite, and Super Clover H.T. cables and their durability on Phantom I and Phantom II chassis. | ||
| View original record | EFC4/AD6.12.29 contd. -7- and reasonably as good as the Maconite. The surfaces however, of both Cloverite and Super Clover are rough as compared with Maconite which makes them difficult to draw… | ||
| Scan197 | Heat damage to H.T. wires from the exhaust tube and proposing solutions such as shielding or alternative cable materials. | ||
| View original record | EFC4/ADS.12.29. contd. -8- we know with a fair degree of certainty that this would apply equally with H.T. wires of Super Glover type. The wires are particularly affected where they pass through the… | ||
| Scan198 | Proposing experimental ignition wire tubing materials for the Phantom II. | ||
| View original record | X6009. To R. from EFC. c. Sg. c. EVF EFC4/AD9.12.29. X2714 X6009 PHANTOM II IGNITION WIRE TUBING. In connection with the suggested use of H.T. wires with varnished cambric covering referred to in our… | ||
| Scan199 | Requesting the fitting of special heat and oil resistant ignition H.T. cables to test chassis 23-EX. | ||
| View original record | X6009. RHC. from EFC. c. Hs/GWH. EFC6/AD9.1.30. X.6009 | ||
| Scan200 | New type of cellulose varnished cambric covered maconite H.T. cable for trial on experimental cars. | ||
| View original record | X.6009. To Rg. from EFC. c. HS. EFCl/AD21.1.30. X.6009. X.4517. CELLULOSE VARNISHED CAMBRIC X.4436. COVERED MACONITE H.T. CABLE. Yesterday we shewed you a sample of cable of the above description… | ||
| Scan201 | Recommendation to use Cellulose Varnished Cambric Covered Maconite H.T. Cable for Sir Henry Segrave's two engines due to its good protection from oil and petrol. | ||
| View original record | X6009 Rg. from EFC. c. Ey. c. Hs. EFC2/AD5.2.30. X.6009. CELLULOSE VARNISHED CAMBRIC COVERED X.6010. MACONITE H.T. CABLE. Further to our EFC1/AD21.1.30, we would like to recommend that H.T. wire to… | ||
| Scan202 | Request to fit cellulose varnished cambric covered maconite H.T. wiring for a 10,000-mile test on 14-G4. | ||
| View original record | X6009 RHC. from EFC. c. Hs/GWH. EFC3/AD6.2.30. X6009 X.4517: H.T. WIRING FOR 14-G4. 10,000 MILE TEST. Will you please arrange to have fitted for this purpose, H.T. wiring of the cellulose varnished… | ||
| Scan203 | Letter to The Macintosh Cable Co. Ltd. regarding test results and issues with a sample of H.T. cable. | ||
| View original record | X6009 EFC4/AD. 11th February, 1930. The Macintosh Cable Co.Ltd. Sinfin Lane, Derby. Dear Sirs, Lacquered cambric covered H.T. cable. With reference to the cellulose lacquered cambric covered maconite… | ||
| Scan204 | Letter to The Macintosh Cable Co. Ltd enclosing a copy of a previously misplaced letter. | ||
| View original record | X6009 EFC8/AD. 18th February, 1930. The Macintosh Cable Co.Ltd. Sinfin Lane, Derby. Dear Sirs, In accordance with your telephone message we are herewith enclosing copy of our letter EFC4/AD. of the… | ||
| Scan205 | Letter from The Macintosh Cable Company Ltd acknowledging a memo regarding Lacquered Cambric Covered H.T. Cable. | ||
| View original record | X6009 10M. (B. & S.) 12/29. F.1. SOLE MANUFACTURERS OF "Maconite" INSULATED CABLES. Contractors to the Admiralty, War Office & Other Government Departments Cable Codes: ABC 5th Edition and Bentley's… | ||
| Scan206 | Comparison of cellulose lacquered cambric covered maconite H.T. cables for car and 'R' engines. | ||
| View original record | X 6009. Cellulose lacquered cambric covered maconite H.T. Cable. (For Car and "R" engines). The following should be noted:- (1) The cable covering only cracks when bent about at sharp angles and then… | ||
| Scan207 | Cellulose lacquered cambric covered maconite H.T. cable for car and 'R' engines. | ||
| View original record | X6009 Ry. from EFC. c. Hs. EFC1/AD25.3.30. CELLULOSE LACQUERED CAMBRIC COVERED MACONITE H.T. CABLE. (FOR CAR AND "R" ENGINES). X6010 Referring to your Ry9/N18.3.30, attached please find copy of some… | ||
| Scan208 | Letter concerning the quality and surface finish of lacquered cambric covered H.T. cable. | ||
| View original record | X6009 SOLE MANUFACTURERS OF "Maconite" INSULATED CABLES. 10M. (B. & S.) 12/29. F.1. Contractors to the Admiralty, War Office & Other Government Departments. DERBY. Cable Codes: ABC 5th Edition and… | ||
| Scan209 | Extract from a report on the condition of high-tension wires after 5,000 and 10,000 miles of use. | ||
| View original record | X6009 26.3.30. Extract from Mr. Hancock's report on 14-GIV after 5,000 miles. HIGH TENSION WIRES. CELLULOSE LACQUERED CAMBRIC COVERED MACONITE H.T. CABLES. These are not a good proposition. The… | ||
| Scan210 | Request to order an improved Cellulose Lacquered Cambric Covered Maconitem H.T. Cable for the Phantom II chassis. | ||
| View original record | X6009. Roy. from EFC. EFCl/AD28.3.30. X.6009. CELLULOSE LACQUERED CAMBRIC COVERED MACONITE H.T. CABLE. Will you please order a further quantity of the above type of cable sufficient for two Phantom II… | ||
| Scan211 | Extract from a report on the performance of high tension cables after 14,000 miles. | ||
| View original record | X6009 5.4.30. Extract from Mr.Hancock's report on 14-GIV after 14,000 miles. HIGH TENSION WIRES. CELLULOSE LACQUERED CAMBRIC COVERED MACONITE H.T. CABLES. It was necessary to remove the special cable… | ||
| Scan212 | Improved cellulose lacquered cambric covered maconite H.T. cable and its fitting to experimental chassis. | ||
| View original record | RHC. from EFC. c. By c. HS/AJL. X6009. EFC5/AD23.5.30. X.6009. CELLULOSE LACQUERED CAMBRIC COVERED MACONITE H.T. CABLE. We have now obtained a further quantity of the above H.T. cable of size and… | ||
| Scan213 | Cellulose Lacquered Cambric Covered Maconita H.T. Cable and its fitting to chassis 18-EX and 24-EX. | ||
| View original record | X. 6009 23.6.30. X.6009. CELLULOSE LACQUERED CAMBRIC COVERED MACONITE H.T. CABLE. Contrary to the instructions contained in our EFC5/AD23.5.30 it was agreed that the available wire should be fitted to… | ||
| Scan214 | Extract from G.W. Hancock's report on the condition of Maconinte ignition cables on car 24-EX after 6,000 miles. | ||
| View original record | X6009 Extract from G.W.Hancock's report dated 20.7.30 on 24-EX at 6,000 miles. X6009 MACONITE IGNITION CABLES. The ignition wires at this mileage show slight cracks appearing in the insulation. The… | ||
| Scan215 | The failure of cambric covered H.T. ignition cables after testing, recommending a woven asbestos alternative. | ||
| View original record | E.7.C. X6009. Date 18-8-30 Ref No. WE40. X.NOS. 6009 Cellulose lacquered cambric covered maconite H.T. ignition cables ex. chassis 24EX. These wires have been removed after completing a 10000 mile… | ||
| Scan216 | Extract from G.W. Hancock's report on the poor condition of Maconita ignition cables on chassis 24-EX after 10,000 miles. | ||
| View original record | X6009. Extract from G.W.Hancock's report dated 15.8.30 on 24-EX at 10,000 miles. X6009 MACONITE IGNITION CABLES. The ignition wires at the finish of the mileage are in a very poor condition. The… | ||