Rolls-Royce Archives
| Identifier | Entry | ||
| scan0001 | Requesting the standardization of the 40/50 HP carburettor low speed jet spindle in stainless steel due to rusting issues. | ||
| View original record | X4307 To Hs. from E. c. to CJ. c. to Da. c. to EP. c. to By. c. to EFC. E2/G1.b.21. X. 2768. X. 4307. RE 40/50 H.P. CARBURETTOR - LOW SPEED JET SPINDLE. Would you kindly note that Mr. Royce would like… | ||
| scan0002 | Request to change the material of a 40/50 carburetter low-speed jet spindle from mild steel to stainless steel. | ||
| View original record | To BY from BY/Shn. c. to EFC. X.4307 7 JAN 1922 BY/Shn2/ML7.1.21. X.4307 RE 40/50 OBSOLETE CARBURETTER. E.2691 - LOW SPEED JET SPINDLE IN STAINLESS STEEL. With reference to Mr Royce's request for the… | ||
| scan0003 | Standardisation sheet for a carburetter low-speed jet spindle made of stainless steel. | ||
| View original record | X.4307 To D/Rd. from Hs/AT. Hs/AT28.1.21. X.4307.- CARBURETTER - LOW SPEED JET SPINDLE IN STAINLESS STEEL. Herewith please receive standardisation sheet for the above. Will you kindly have costs… | ||
| scan0004 | Standardisation sheet for a carburetter low-speed jet spindle in stainless steel. | ||
| View original record | X 4307 To Bn. from HS/AT. By. Da. WP. PN. EWT. HS/AT2 8.1.21. X.4307:-CARBURETTER - LOW SPEED JET SPINDLE IN STAINLESS STEEL. Herewith please receive standardisation sheet for the above. Will you… | ||
| scan0005 | Requesting review and signature for a standardisation sheet regarding a stainless steel carburetter low speed jet. | ||
| View original record | X4307 To R. From Hs/AT. CJ. BJ. Hs/AT7.2.21. X.4307.-CARBURETTER LOW SPEED JET IN STAINLESS STEEL. Herewith please receive standardisation sheet for the above. Will you kindly remark upon, sign and… | ||
| scan0006 | Accompanying a standardisation sheet for a carburetter low speed jet made of stainless steel. | ||
| View original record | X.4304 To P.H. from Hs/AT. EWT. for R.R. Inc. Hs/AT15.2.21. X.4307.-CARBURETTER LOW SPEED JET IN STAINLESS STEEL. Herewith please receive standardisation sheet for the above. This is for your… | ||
| scan0007 | Standardisation of a carburetter low-speed jet spindle to be made of stainless steel. | ||
| View original record | R R 755 (5 H) (S.H. 187, 20-8-20) G. 2807. X.4307. COMPLETED 15.2.21 STANDARDISATION of CHASSIS PARTS. Description of Parts. Carburetter - Low speed jet spindle in Stainless Steel. Origin. To… | ||
| scan0008 | From Mr. Royce requesting the standardization of the 40/50 HP carburetter low-speed jet spindle in stainless steel. | ||
| View original record | To Hs. from E. c. to CJ. c. to Ds. c. to EP. c. to Hy. c. to EFC. E2/G1.1.21. X. 2768. X. 4307. RE 40/50 H.P. CARBURETTER - LOW SPEED JET SPINDLE. Would you kindly note that Mr. Royce would like you… | ||
| scan0009 | Standardisation of the Low Speed Jet Spindle E.2691 from mild steel to stainless steel. | ||
| View original record | RE. LOW SPEED JET SPINDLE - E.2691. Mr. Royce wishes to standardise the Low Speed Jet Spindle E.2691 in stainless steel instead of mild steel. We are advised by BY. that all these parts are made and… | ||
| scan0010 | Corrosion of carburetter floats and the urgent need to adopt nickel plating. | ||
| View original record | R.R. 836a (100 T) (S.H 798. 10-12-20) G. 2948 H921 from BY. X 4351 BY14-P30.3.21. X4351. CHASSIS - CORROSION OF CARBURETTER FLOATS. RECEIVED In connection with the suggestion we made that we should… | ||
| scan0011 | Corrosion tests performed on carburetter floats made from different materials. | ||
| View original record | R.R.199 (250F) (SD676 19-7-17) MP180865 COPY. BY. H15/EB22.3.21. RE CORROSION OF CARBURETTER FLOATS. Tests have been made during fourteen days on arsenical copper containing 0.4% arsenic, copper… | ||
| scan0012 | Instruction to nickel plate six carburetter floats for experimental testing to confirm a report on corrosion. | ||
| View original record | x.4357 By. from Hs. Hs9/LG31.3.21. x.4351 CORROSION OF CARBURETTER FLOATS. Will you please instruct that Six carburetter floats are to be nickel plated - we will then put them on experimental cars to… | ||
| scan0013 | Requesting the nickel plating and polishing of six carburetter floats. | ||
| View original record | R.R. Ltd. (100 T) (S.H. 798. 10-12-20) G. 2948 x.4357 Ms. from BY. C. SPT. C. Hs. x.4357 CHASSIS - CARBURETTER. --------------------- Will you kindly arrange to have six Carburetter Floats nickel… | ||
| scan0014 | Supply of nickel-plated floats to address corrosion issues caused by poor quality petrol. | ||
| View original record | X4351 BY - from EP/Thn. c. to Hs. EP/Thn10/T9.6.21. X4351 With reference to your memo. to Hs, BY14/P30.3.21, we shall be glad to know what is the present position on this matter, as we are being… | ||
| scan0015 | Extract from a report on the adverse effects of U.S.A. gasoline on copper carburetter parts in cars for America. | ||
| View original record | X.4351 Extract from EP/Thn6/H6.7.21. X.3719. RE CARS FOR AMERICA. Item 14. Copper parts affected by U.S.A. Gasoline. The following is an extract of Mr. Platford's report on the above. "The gas… | ||
| scan0016 | Effect of U.S. gasoline on copper parts, recommending nickel plating for carburetter floats. | ||
| View original record | X.4351 Extract from Hs7/LG6.7.21. RE CARS FOR AMERICA. X.3719 Item 14. Copper parts affected by U.S. Gasoline. X.4351 We are expecting shortly to be able to recommend the nickel plating of carburetter… | ||
| scan0017 | Corrosion of carburetter floats and proposing nickle-plating as a solution. | ||
| View original record | HY - from EP. O. to Hs. O. to Er. EP4/HS.9.21. Re. CORROSION OF CARBURETTER FLOATS. With reference to our discussion on the above, I have to report that we are receiving complaints of the carburetter… | ||
| scan0018 | Corrosion of carburetter floats, recommending nickel-plating and a change to brass spinnings. | ||
| View original record | To R. from Hs. c. to CJ. c. to E. c. to Da. c. to BY. c. to EP. X4351 Hs4/LG12. 9. 21. CORROSION OF CARBURETTER FLOATS. X.4351. We have had a number of complaints of corrosion of the copper float in… | ||
| scan0019 | Suggesting cathode treatment or using a different alloy to prevent air valve corrosion and sticking on 40/50 HP & 20 HP carburettors. | ||
| View original record | Hs. BY. from R. c. to BJ. Wor. E. X4351 R5/M7.9.27. 40/50 HP. & 20 HP. CARBS. X.5080 X.8080 X.4351 It will be remembered that I experienced corrosion of air valve, causing sticking. The following is… | ||
| scan0020 | Corrosion issues and potential solutions for a Phantom air valve, comparing aluminium and brass options. | ||
| View original record | To R. from Hs/ACL. c. to BJ. Wor. c. to E. DA. c. to RG. BY. X9351 Hs/ACL1/LG8.9.27. PHANTOM AIR VALVE. X8080 With regard to the corrosion which has been experienced on an aluminium air valve, and… | ||
| scan0021 | On the suitability of a new material for air valves and plans for testing. | ||
| View original record | contd :- -2- We should imagine this is a very suitable material for air valves and have made arrangements for one to be constructed. We do not think the anodic treatment would be very satisfactory on… | ||
| scan0022 | Laboratory memo discussing metal plating options, such as nickel and zinc, for a carburettor air float. | ||
| View original record | X4351 R. H12/EA10.9.27. Laboratory. Hs RECEIVED SEP 12 1927 to Hs. By. BJ. Wor. E. Re Air Float for 40HP. and 20HP. carburettors. Your Ref. R5/M7.9.27. With reference to (2) of your above note :- We… | ||
| scan0023 | Trial of new chromium and non-corrodible alloys for Phantom aluminium air valves. | ||
| View original record | X4351 Hl. Hre. Hs. By/CS. BY6/H. 12.9.27. PHANTOM. ALUMINIUM AIR VALVE. ************************* It is important that the Experimental Dept. should try out some cast air valves produced in Hl's new… | ||
| scan0024 | Corrosion of a carburetter air valve on a Phantom engine and proposing material changes. | ||
| View original record | X4357 BY/cs. c.Hs. c.Hs/Mr.Lovecy. BY8/H. 14.9.27. PHANTOM ENGINE. CARBURETTER. CORROSION OF AIR VALVE. It appears to me it is possible that the corrosion effects are encouraged, and possibly set up… | ||
| scan0025 | Letter to D. & J. Tullis Ltd. regarding the performance of 'Cindal' alloy in carburetter components. | ||
| View original record | c. ROY. c. H.I. c. Hs. +4351 43995 30th. April 1928. BY2/G.30.4.28. Messrs. D. & J. Tullis Ltd., Laboratory Department, Clydebank. Dear Sirs, Referring to your recent communication in connection with… | ||
| scan0026 | Decoded cable from Springfield regarding a Pilot Jet and a request for related drawings. | ||
| View original record | EWT to Hs. X4387 EWT2/FG15.6.21 R E PILOT JET. Please read the undermentioned, and let me have any remarks in reply which you have to send to America. "Springfield cables as follows:- "IVVEVSOAGU… | ||
| scan0027 | Request from Springfield for drawings of a Pilot Jet. | ||
| View original record | To R. from hs. c. to CJ. c. to E. c. to Da. c. to EWT. x4387. Hs5/LG24.6.21. X.4387 - RE. PILOT JET. We have received the following cable from Springfield:- "Number 103". Hives Pilot Jet brought by… | ||
| scan0028 | The adoption of a pilot jet for easy starting and comparison with existing choker schemes. | ||
| View original record | X4387 Hs. e.--to-BY. e.--& Extract from EP/Thnl2/F28.6.21. X.3719 X.4387 X.4305 Pilot jet for easy starting has so far very favourably impressed them here. I believe I could get them to adopt it in… | ||
| scan0029 | Describing a new auxiliary pilot jet, its installation, function, and advantages over the one fitted to the 6.EX Car. | ||
| View original record | To R. from Hs. c. to CJ. c. to E. c. to Da. c. to BY. X4387 Hs3/LG23.8.21. AUXILIARY PILOT JET. X.4387 We are sending to Mr. Royce a small pilot jet which we made some considerable time ago. It was… | ||
| scan0030 | Continuation page listing the benefits of a change, such as a more positive start and simpler controls. | ||
| View original record | contd. -2- Hs3/LG23. 8. 21. 4. Gives.a more positive start. 5. Makes the controls more simple. Hs. | ||
| scan0031 | Issues found during tests of a pilot jet on a 40/50 engine, particularly concerning cold starting. | ||
| View original record | To R. from Hs. c. to CJ. c. to E. c. to Da. c. to BY. c. to EP. c. to EWT. for R.R. Inc. X4387 Hs4/LG13.9.21. RE. PILOT JET. X4387. We have carried out a number of tests with the pilot jet instructed… | ||
| scan0032 | The development and testing of adjustable venturi, throttle, and pilot jet systems. | ||
| View original record | Contd:- -2- Hs4/LG13.9.21. ------------ extravagant to have the adjustable venturi and the choke on the throttle. So far we have not been able to use the adjust-able venturi at all; we have had to… | ||
| scan0033 | Revisions made to the Goshawk 11 carburetter to prevent flooding when on a gradient. | ||
| View original record | To Da. from E. c. to CJ. c. to Wor. c. to Hs. c. to BY. X4387 COPY. E1/G26.9.E1. X4387 RE GOSHAWK 11 CARBURETTER. X.4228. We send you herewith drawing No.LeC.1455 shewing revision of the Goshawk 11.… | ||
| scan0034 | Confirmation of a telegram regarding the slow running performance of a Goshawk Two engine. | ||
| View original record | X4387 CONFIRMATION OF TELEGRAM TELEPHONED TO CHICHESTER. 5th October, 1921. [Handwritten] X4387 [Handwritten and crossed out] X4228 ROYCAR DERBY. HIVES IS THE SLOW RUNNING ON GOSHAWK TWO SUFFICIENTLY… | ||
| scan0035 | Extract detailing the design of a pilot jet, automatic valve, and silencer for the Goshawk carburetter. | ||
| View original record | X4387 Extract from E2/G8.10.21 X.4219. 8.10.21. X.4228 [Struck through] X4387 We are proceeding to design a pilot jet for the Goshawk carburetter fitted with an automatic valve somewhat on the… | ||
| scan0036 | Defects of existing carburettors and starting devices and proposing a new modification. | ||
| View original record | To Hs. from R. c. to CJ. X4387 R3/G10.10.21. X.2768 X.4387 - RE CARBURETTERS AND STARTING DEVICES. X.4390 X.1449 We conclude from your memos that all starting devices are very defective. We have… | ||
| scan0037 | Continued letter discussing modifications to the carburetter and induction system. | ||
| View original record | contd. -2- carburetter of our standard type will do all the range we need, and that the small jet used--e need only be brought in action during starting. In this case the actual strength of the… | ||
| scan0038 | Decoded cablegram confirming a message about a vaporizing scheme for cars in winter conditions. | ||
| View original record | copy for Mr. Hives X4387 OCT 3 D/BP/Y1397/MH X4387 12th October 1921. Messrs. Rolls-Royce of America Inc; Springfield, MASS: Dear Sirs, We beg to confirm our cablegram of yesterday's date, as follows… | ||
| scan0039 | Second page of correspondence to the American branch detailing decoded cable messages. | ||
| View original record | - 2 - Messrs. Rolls-Royce of America Inc: Springfield, MASS: Gahumyodsa (Cahum - if you have (Yodsa - our Ahfoc - agreement. Hives, "Roycar" Yours faithfully, [Watermark: COPY] | ||
| scan0040 | Cablegram discussing the successful testing of vaporizer pipes and a modified pilot jet for good cold starting. | ||
| View original record | x4387 2 D/BP/Y1397/MH.27.10.21. Hs. Cablegram No.134 x4387 x4305 x1449 "Hives. With reference to your telegram 347, now have made twelve Vaporizer pipes and thoroughly tested. small Pilot Jet on… | ||
| scan0041 | Cablegram to Mr. Hives about testing a pilot jet and vaporizing scheme on cars. | ||
| View original record | X4387 CABLEGRAM. 2 X4387 X4305 X1449 Mr. Hives. No.133 With reference to your telegram 347 Hives latest Pilot Jet and vaporizing scheme best we have tried. Will not be satisfied generally, until… | ||
| scan0042 | Summary of cable correspondence with Springfield concerning the American Programme, specifically pilot jet and vaporizing scheme performance. | ||
| View original record | X4387 To R. from Hs. c. to CJ. AMERICAN PROGRAMME. X4387 On the 12th.inst. we sent the following cable to Springfield:- "ARE YOU SATISFIED WITH PILOT JET AND VAPORIZING SCHEME CARS WILL BE SUITABLE… | ||
| scan0043 | Induction pipe changes and solutions for cold starting issues in American cars. | ||
| View original record | COPY. X4387 November 1st. 1921. To Mr. Belnap. CC Mr. Basil Johnson. Mr. Beaver. Mr. Nadin. Mr. Bagnall. Mr. Hulley. Mr. Southern. Mr. Caswell. From - Mr. Olley. RE. INDUCTION PIPE CHANGES. X.3677… | ||
| scan0044 | Comparison of a vaporiser scheme with an exhaust heated throttle, weighing performance benefits against production viability and cost. | ||
| View original record | -2- letters Hs5/LG20.9.21 and Hs4/LG23.9.21 that difficulty was met with in obtaining proper distribution with the device when made experimentally in accordance with this scheme and that at latest… | ||
| scan0045 | Report from the Engineering Committee on engine improvements for winter conditions and fuel conservation. | ||
| View original record | -3- appreciable drop in horsepower. (g) We do not claim that the vaporiser scheme without the heated throttle is the ultimate perfect device, but we believe that in its latest development, as tried… | ||
| scan0046 | Requesting cost information for a standardisation sheet related to an experiment replacing a primer with a pilot jet on an induction pipe. | ||
| View original record | D/Rd. from Hs. X4387 Hs/LG2.11.21. X.4387 - PILOT JET ON INDUCTION PIPE TO REPLACE PRIMER. Please find attached two copies of standardisation sheet in connection with the above experiment. Will you… | ||
| scan0047 | Historical summary of development on the Pilot Jet to address issues with starting cars from cold in America. | ||
| View original record | CJ. from Hs. X4387 [strikethrough]X1449[/strikethrough] Hs2/Lg9.11.21 X4387 CARS IN AMERICA. X 3923 History of starting from cold. Dec. 1920. Hs. reported from U.S.A. that starting of R-R Cars in… | ||
| scan0048 | Summary of communications between Derby and Springfield regarding suggestions for improving winter starting. | ||
| View original record | X4387 To GJ. from BJ.) Copy to R. } Hs. } X3678 X4387 X4305 BJ3/H14.11.21. WINTER STARTING IN AMERICA. RECEIVED STAMP: NOV 14 The attached note from Springfield to Mr. Belnap shows:- | Mr. Royce now… | ||
| scan0049 | Cold starting issues in the U.S.A. and a telegram from Springfield about testing a small pilot jet. | ||
| View original record | S.S. 25a (100 T) B.H. 798. 10-12-20 G 2947 x4387 CJ. from Hs. Hs9/LG15.11.21. STARTING FROM COLD IN U.S.A. X4387 X1449 Referring to your CJ1/E10.11.21. The latest information we have received from… | ||
| scan0050 | Letter discussing modifications and performance of vaporizer pipes and pilot jets, including issues with cold starts and smoke. | ||
| View original record | CC Mr. Belnap Mr. Beaver Mr. Nadin X4387 Oy3 - G 151121 Nov. 15, 1921 Mr. Claude Johnson, Managing Director, Rolls-Royce Ltd., London, England. Copy to Mr. Hives. Dear Sir:- Re: Vaporizer Pipes and… | ||
| scan0051 | Technical report discussing issues with fuel collectors, vaporizers, and induction pipes to improve engine performance and reduce smoking. | ||
| View original record | CyS - G 151121 Sheet #2. 1. Either he must have a short period of intense smoking, or 2. He must have liquid kerosene in his engine with all its attendant troubles. Every owner and chauffeur knows the… | ||
| scan0052 | Carburetor pilot jet modifications for improved cold starting and engine running. | ||
| View original record | OyS - G 161121 Sheet #3. So far this change, carried out on half a dozen different manifolds, has refused to load up under any conditions. We therefore believe that loading on the other pipes of this… | ||
| scan0053 | Letter discussing the experimental design and proposed winter testing of a new priming jet system and its operating mechanism. | ||
| View original record | Oy3 - G 151121 Sheet #4. The latest form of jet in which we get still better spraying and therefore hope to get a start with a smaller flow of fuel, is shown in unnumbered print A enclosed. This is… | ||
| scan0054 | Requesting the cost to fit a 'Starting from Cold in U.S.A.' appliance to an existing car, with a handwritten response. | ||
| View original record | X4387 To Hs. from CJ. Starting from Cold in U.S.A. CJ1/E16/11/21 Referring to your Hs9/LG15/11/21, what will be the cost of fitting this appliance to an existing car? CJ. STAMP: FO NOV 16 1921… | ||
| scan0055 | Experiment fitting a pilot jet on the induction pipe to replace the primer, requesting review of the standardisation sheet. | ||
| View original record | H.H. 255a (100 T) (S.H. 798, 10-12-20) G. 2948 (X4387) WOR. from Hs/LG. Hs/LG22.11.21 X.4387 - PILOT JET ON INDUCTION PIPE TO REPLACE PRIMER. Please find attached copy of standardisation sheet in… | ||
| scan0056 | Requesting the setup of experimental sets for an induction pipe on a 40/50 chassis. | ||
| View original record | [Struck through text] c. to EFC. [Struck through text] (X438) EXPERIMENTAL RECEIVED [Stamp with clock face pointing to XI, F O, NOV 1921] BY/Shn/DB.22.11.21. RE 40/50 CHASSIS - INDICTION PIPE - TO… | ||
| scan0057 | Requesting the return of two standardisation sheets with remarks. | ||
| View original record | W/S PN. from Hs. XC4387 Hs5/LG13.12.21. STANDARDISATION SHEETS. X.4387 - Pilot Jet. X.3438 - Reinforcing plate to fan blade. You are holding up the above two standardisation sheets. We should be… | ||
| scan0058 | Design, adjustments, and operation of a starting carburetter for the 40/50 HP chassis. | ||
| View original record | To R. from Hs. c. to CJ. c. to R. c. to Da. c. to BY. c. to EF. c. to Hs. c. to FN. c. to EWT. for R. R. Inc. Attention of OY. X4387 Hs1/LG16.12.21. RE. STARTING CARBURETTER FOR 40/50 H.P. CHASSIS.… | ||
| scan0059 | Technical note discussing engine cold starting performance, comparing different car models, fuel types, and carburetter pilot jets. | ||
| View original record | Contd. -2- Hsl/LG16.12.21. ---------- car is left out all night in a frost so that the starter will only creep the engine over in the morning, the operation of the primer is an assistance. We find… | ||
| scan0060 | Standardisation sheets for a pilot jet and fan blade reinforcing plate, and travel plans for testing. | ||
| View original record | X4387 M PN10/DN/20.12.21. S/W. Hs. STANDARDISATION SHEETS. X.4387 - Pilot Jet. X.3438 - Reinforcing plate to fan blade. X.4219 X.4426 In reply to your Hs5/LG13.12.21, I have neither of these sheets. I… | ||
| scan0061 | Design of an exhaust-heated throttle and pilot jet, and a magneto control for a Goshawk 11 engine. | ||
| View original record | E. from Hs. X4387 Hs5/LG29.12.21. EXHAUST HEATED THROTTLE AND PILOT JET. X4305 X4387 There are one or two points to be cleared up in connection with this scheme. One is the connection for the petrol… | ||
| scan0062 | Continued memorandum regarding magneto settings and the location of a Bendix Pinion. | ||
| View original record | contd. -2- Hs5/LG29.12.21. more range on the advance and retard than we used on the 40/50 H.P. car. We require 50° on the flywheel. The E.O.6. Watford magneto will give this range without much… | ||
| scan0063 | Standardisation Sheets No. 3438 for strengthening a Fan Blade and No. 4387 for a new experimental Pilot Jet design. | ||
| View original record | To B.J. from Rd. C. to Hr. C. to Hs. ✓ (X4387) 1 STAMP: RECEIVED 10 JAN 1922 Hs Hd3/139A/19.1.22. STANDARDISATION SHEETS NOS. 3438 & 4387. BJ6/HS.1.22. Dealing with your note addressed to Hr. -… | ||
| scan0064 | Directive to calculate the value of stock parts to be scrapped upon the introduction of a new design. | ||
| View original record | show the value of the stock of parts at the Works which will be scrapped if the Superseding Design is introduced. Rd. | ||
| scan0065 | Exhausted heated throttle, pilot jet, and instrument board controls for the 40/50 chassis. | ||
| View original record | X4387 To Hs. from E. c. to CJ. c. to Wor. c. to BY. E2/M10.1.22. X.4305 - 40/50 CHASSIS. X.4387 X.4390 EXHAUSTED HEATED THROTTLE & PILOT JET. In reply to your memos. Hs3/LG28.12.21, and Hs5/LG… | ||
| scan0066 | The requirement for Standardisation Sheet No. 4387. | ||
| View original record | X4387 To Hs. from BJ. BJ19/H10.1.22. Standardisation Sheet No. 4387. Please let me know whether this is now required in view of Rd3/129A/M9.1.22. B.J. RECEIVED STAMP: Hs JAN 11 1922 RECEIVED | ||
| scan0067 | Letter discussing the design and operation of a pilot jet for starting the car, particularly in cold conditions. | ||
| View original record | X4387 Expl: Office, Rolls-Royce Ltd., Derby. England. X4387 / X4390 4th. July 1922. OY. from Hs. I was pleased to hear that your Service Inspector liked the appearance of 49-SG and had no complaints… | ||
| scan0068 | Butterfly valve noise and recommendations regarding the exhaust-heated throttle. | ||
| View original record | contd:- -2- take it the other way, down and through between the cylinders. There is another point in connection with the butterfly valve in the exhaust pipe, owing to the pulsations of the exhaust… | ||
| scan0069 | The replacement of primers with a pilot jet. | ||
| View original record | X4287B. Pilot Jet to replace Primers | ||
| scan0070 | Requesting feedback on shock absorbers, carburetter, and axle performance, with updates on car deliveries. | ||
| View original record | PN. from Hs. X4387 1/2 Hs2/LG3. 2. 22. X4387 X4299 X4219 X4426 X3923 X3461 We send you herewith blue-print showing the method of fitting the Hartford Shock Absorber to the rear of a 40/50 H.P. Car. I… | ||
| scan0071 | Instructions for trialing a new induction pipe and heated throttle arrangement to improve engine performance on poor quality fuel. | ||
| View original record | X4387 Expl: Dept: Rolls-Royce Ltd. Derby. England. X4390 X4387 CY. from Hs. EP. is bringing with him to Springfield when he leaves here next week, a complete set of induction pipes, heated throttle,… | ||
| scan0072 | The standardisation of a Pilot Jet to replace the Primer, noting successful trials. | ||
| View original record | EY. from Hs. RP. Da. Sg. FH. EWT. for R.R. Inc. XC4387R Hs1/LG26.6.22. X.4387 :- PILOT JET TO REPLACE PRIMER. We attach copy of standardisation sheet in connection with the above experiment. Will you… | ||
| scan0073 | Requesting costs for an experiment to replace a primer with a pilot jet. | ||
| View original record | D/L. from Hs. X4387B. Hs/LG26.6.22. X.4387B- PILOT JET TO REPLACE PRIMER. We attach two copies of standardisation sheet in connection with the above experiment. Will you kindly fill in the costs and… | ||
| scan0074 | Standardisation and replacement of a primer with a pilot jet, including official comments and conference minutes. | ||
| View original record | (Handwritten: X4387B.) To CJ. from Hs. c. to R. Hs2/LG4. 8. 22. PILOT JET TO REPLACE PRIMER. (Handwritten: X4387B X4390) We have received signed standardisation sheets from all Officials in connection… | ||
| scan0075 | Implementation of a new Pilot Jet design versus using up existing stock of primers. | ||
| View original record | contd:- -2- and at that time it was considered so urgent that it was decided, although we had no design from R., that we should press forward th standardisation of the experimental one made at Derby.… | ||
| scan0076 | Decision to replace the primer with a pilot jet for improved starting. | ||
| View original record | X.438713 To CJ. from Hs. C. to R. F.R. [STAMP: RECEIVED AUG 11 1922] PILOT JET TO REPLACE PRIMER. We have received signed standardisation sheets from all Officials in connection with the above. It has… | ||
| scan0077 | The standardisation of a new Pilot Jet, considering existing stock levels, customer complaints, and engine problems. | ||
| View original record | contd:- -2- and at that time it was considered so urgent that it was decided, although we had no design from R., that we should press forward the standardisation of the experimental one made at Derby.… | ||
| scan0078 | Completed standardisation sheet for replacing a primer with a pilot jet. | ||
| View original record | V4387B R. from Hs. c. to CJ. and BJ. c. to Wor. c. to Rg. c. to Da. c. to BY. c. to EP. c. to PN. c. to EWT. for R.R. Inc. Hs/LGS. 8. 22. X.4387B - PILOT JET TO REPLACE PRIMER. We attach herewith copy… | ||
| scan0079 | Cost valuation of priming device parts in stock that are to be superseded by a Pilot Jet. | ||
| View original record | Hs. from My/JW. My/JW/N1/139A/M7.7.22. X.4387B - Pilot Jet to replace Primer. The value to R.R. of priming device parts in stock at date (5.7.22) which would be superseded by Pilot Jet, is as… | ||
| scan0080 | Standardisation of a chassis part, proposing a pilot jet to replace the primer for improved engine starting. | ||
| View original record | R R 755 (5 H) (S H 268, 29-9-20) G 2954 X4387 STANDARDISATION OF CHASSIS PARTS. Description of Parts. Pilot Jet to replace primer - to be operated from instrument board. Origin. To improve starting.… | ||
| scan0081 | Experiment to replace the primer with a pilot jet, seeking feedback on an attached standardisation sheet. | ||
| View original record | SY. from Hs. c. to EF. c. to Da. c. to Ms. c. to FN. c. to EWT. for R.R.Inc. Hs1/LC26. 6. 22. X.4387 - PILOT JET TO REPLACE PRIMER. We attach copy of standardisation sheet in connection with the above… | ||
| scan0082 | From CJ to Hs regarding consent to replace a primer with a pilot jet. | ||
| View original record | X4387B. To Hs. from CJ. CJ11/D10.8.22. Re: X.4387B - Pilot Jet to Replace Primer. Referring to the attached papers, in order to make this complete there should be added the consent which I forwarded… | ||
| scan0083 | Standardisation sheet for replacing a primer with a pilot jet. | ||
| View original record | R. from Hs. c.c. to CJ. and BJ. c. to Her. c. to Re. c. to De. c. to BM. c. to EH. c. to IN. c. to LWI.IOT H.Mine. J.S. F.R. RECEIVED Hs/LG8. 8. 22. X.4387B - PILOT JET TO REPLACE PRIMER. We attach… | ||
| scan0084 | Cost breakdown of Priming Device Parts in stock which are to be superseded by the Pilot Jet. | ||
| View original record | My/JW/N1/139a/M7.7.22. The value to R.R. of Priming Device Parts in stock at date (5.7.22) which would be superseded by Pilot Jet, is as follows:- Rough material R.R. cost 16. 0. 4 Part machined " " "… | ||
| scan0085 | Standardisation of chassis parts to replace the primer with a pilot jet to improve engine starting. | ||
| View original record | R R 755 (5 H) (S H 268, 29-9-20) G 2354 COMPLETED 29.7.22. STANDARDISATION of CHASSIS PARTS. Description of Parts. Pilot Jet to replace primer - to be operated from instrument board. Origin. To… | ||
| scan0086 | The successful replacement of a primer with a pilot jet to solve engine starting issues. | ||
| View original record | C O P Y. BY. from Hs. EP. Da. Rg. GWT. for R.R. Inc. PN. Hs1/LG26.6.22. X.4387B - PILOT JET TO REPLACE PRIMER. We attach copy of standardisation sheet in connection with the above experiment. Will you… | ||
| scan0087 | Standardisation sheet confirming the adoption of a Pilot Jet to replace a primer. | ||
| View original record | BY. from Hs. c to By/Sm. X4387B. Hs1/LG10.8.22. STANDARDISATION SHEET FOR PILOT JET TO REPLACE PRIMER. X.4387B. We have received a note from CJ. agreeing that the Pilot Jet should be adopted at once.… | ||
| scan0088 | Confirming the decision to adopt the Pilot Jet to replace the Primer. | ||
| View original record | To R. from Hs. c. to CJ. and BJ. c. to Da. c. to Wor. c. to BY. c. to EP. c. to PN. c. to EWT. for R. R. Inc. X.4387B - PILOT JET TO REPLACE PRIMER. We have received a note from CJ. agreeing that the… | ||
| scan0089 | Cable to Springfield, USA, regarding the winter suitability of a pilot jet and vaporizing scheme. | ||
| View original record | X4387 Cable to Springfield U.S.A. from Hs. 11.10.21. ARE YOU SATISFIED WITH PILOT JET AND VAPORIZING SCHEME CARS WILL BE SUITABLE FOR WINTER CONDITIONS WE THINK THEY WILL BE HAVE YOU SATISFACTORY… | ||
| scan0090 | The total mileage of a metal battery box on chassis 6-GII. | ||
| View original record | X4387 EFC. 8.7.25. Total miles run by the metal battery box on 6-GII are 33,279. GJ. | ||
| scan0091 | Letter from Maurice Olley discussing the prevention of cold-knocking and cylinder wear by coupling extra oil to the pilot jet. | ||
| View original record | X4387 ROLLS-ROYCE OF AMERICA, INC. SPRINGFIELD, MASS. Oy1-E-101625 October 16, 1925. Mr. E. W. Hives, Mickleover, Near Derby, England. Dear Hives: Re Extra Oil Coupled to Pilot Jet Referring to my… | ||
| scan0092 | Letter discussing the extra oil system for the starter carburetter and cylinder bores on various engine models. | ||
| View original record | 4687 Expl: Dept: Hs2/LG. 26th. Oct. 1925 Dear OY., Re. Extra Oil Coupled to Pilot Jet. Thank you for your OY1-E-101625. We have never been very taken up with the scheme of connecting the extra oil to… | ||
| scan0093 | Letter from the American office to the UK office acknowledging correspondence about extra oil coupled to a pilot jet. | ||
| View original record | ROLLS-ROYCE OF AMERICA, INC. SPRINGFIELD, MASS. 44387? Oy13-E-11925 November 9, 1925. Mr. E. W. Hives, Rolls-Royce, Ltd., Derby, England. Dear Mr. Hives: Thank you for your letter of October 26th,… | ||
| scan0094 | Meeting minutes discussing issues with woven covering for cone clutches. | ||
| View original record | 111th Meeting Jan. 17th.11. Cone Clutches (Contd) (7) Re Woven covering for standard clutches. Mr Barrington brought this matter before the Committee as it was one of the points which Mr Royce had… | ||
| scan0095 | Continuation page of a report on Cone Clutches, instructing Mr Platford to proceed with experiments. | ||
| View original record | (M 96. 24.2.10) E.P. 6128. Cone Clutches (Contd) (8) purpose and that meantime Mr Platford should proceed with his experiments with the treated material in the manner indicated. | ||
| scan0096 | Test report on Scandinavian belting used for a clutch. | ||
| View original record | Section. #TO.1200. Scandinavian Belting DESCRIPTION:- one fixed in heavy, other fixed in one for clutch. here. X356 Date sheet from office. Date received. Date Works Instruction. Material received.… | ||
| scan0097 | Experimental clutch with cotton belting. | ||
| View original record | Section. 1000 x 356 DESCRIPTION:- Experimental clutch with cotton belting. Date sheet from office. 7.11.11. Data received. 21.11.11 Date Works instruction. 21.11.11. Material received. 5.1.12.… | ||
| scan0098 | Notes on a shaft received from Mr. Royce, its superiority to leather, and fitting to various chassis. | ||
| View original record | R.R. 148 (20 H) (W 730. 17.8.11) G 1849. 10/3/12. Sheet from Mr Royce. received 13/3/12. If definitely superior to leather adopt as standard & have fitted to Repair car on which clutch not… | ||
| scan0099 | Meeting note discussing the fitting of cotton belting to clutch cones for testing. | ||
| View original record | 100th Meeting. Dec 18th, 1911. X352 Re Cotton Belting for Clutch cone. Mr. Wormald informed the Committee that he hoped to have the clutch cone fitted with the cotton belting segments, ready for test… | ||
| scan0100 | Cotton cone clutch, including a note from Mr Royce asking about its progress and competitor materials. | ||
| View original record | R.H. 9854 (100 m) (X 500. 6.9.12) G 9368. CLUTCHES (Cotton cone) Written by Mr Nadin on 5th Feb. Handed to T.C. on 8th Feb. Mr Royce asked - How is the fabric lined clutch progressing? Are Daimlers… | ||
| scan0101 | To the Technical Committee discussing alternative materials and designs for clutches. | ||
| View original record | Copy. N2/B9212. Le Canadel. 6th February 1912. Members of the Technical Committee. Re Clutches. 1st. Ascertain if the cotton fabric is better than leather for engaging, and also if it will stand a… | ||
| scan0102 | Typed memo with hand-drawn diagrams illustrating methods for securing tape to an aluminium cone using rivets and clips. | ||
| View original record | (2) Clips fastened by two bolts There may not be room to use such a clips at the edges of the clutch. The tape should be secured to the aluminium cone by means of rivets, spaced, say, 1" to 1 ½"… | ||
| scan0103 | Note from Mr. Royce regarding the design and materials for a cone clutch. | ||
| View original record | R.H. 985a (100 B) (X 500. 6.3.12) G 2368. CLUTCHES (CONE) Written by Mr Royce 6th Feb 1912. Handed to T.C. 9th Feb 1912. Mr Royce said - Clutch should be tried using fabric tape 3/4" x 3/16" woven on… | ||
| scan0104 | Experimental results of clutches fitted with untreated and treated cotton fabric. | ||
| View original record | TBB12/L21212. February 21st. 1912. Ref. N2/B9212. Re Clutches. The Experimental Dept. have run a clutch fitted with untreated cotton fabric made in sections, for about 50 miles with satisfactory… | ||
| scan0105 | On clutch development, suggesting a trial of Renault spring tongues and noting progress with woven fabric clutches. | ||
| View original record | With reference to :- (1) Still worth trying. Very easily repaired. (2) Can we try this with the Renault stiff spring tongues for softer engagement. I now understand that woven fabric clutches are… | ||
| scan0106 | Summary of notes from Mr. Royce regarding the testing and standardization of cotton cone clutches. | ||
| View original record | Clutches - (Cotton - Cone) Written by Mr Royce on 10th March 1912. Handed to T.C. on afternoon of 12th Mch. Precis of Mr Royce's notes. "This fabric if satisfactory and definitely superior to leather… | ||
| scan0107 | Departmental memo discussing the proposal to make cotton fabric cone clutches standard practice. | ||
| View original record | R.R. 475 (50 H) (X 636. 20 2.12) E.P 1297. ROLLS-ROYCE LIMITED, NIGHTINGALE ROAD, DERBY. TELEGRAMS: "ROYCAR," DERBY. TELEPHONES: 813 (TWO LINES). DEPARTMENTAL MEMO. This column is for Name of Person… | ||
| scan0108 | Departmental memo agreeing with a proposal regarding cotton fabric cone clutches, pending a report. | ||
| View original record | R.R 475 (50 H) (X 36. 20.2.12) E.P. 1297. ROLLS-ROYCE LIMITED, NIGHTINGALE ROAD, DERBY. TELEGRAMS: "ROYCAR," DERBY. TELEPHONES: 813 (TWO LINES). No/B13312 DEPARTMENTAL MEMO. This column is for Name of… | ||
| scan0109 | Requesting experiments to prove the superiority of cotton cone clutches over leather ones. | ||
| View original record | Re Cotton Cone Clutches. Mr Hives. Will you kindly press on with your experiments which are for the purpose of proving the superiority or otherwise of the cotton belting cone clutches over the leather… | ||
| scan0110 | Departmental memo regarding the manufacture and testing of twelve cotton fabric cone clutches. | ||
| View original record | R.R. 475 (50 H) (X 636. 20.2.12) E.P. 1297. ROLLS-ROYCE LIMITED, NIGHTINGALE ROAD, DERBY. TELEGRAMS: "ROYCAR," DERBY. TELEPHONES: 813 (Two Lines). DEPARTMENTAL MEMO. This column is for Name of Person… | ||
| scan0111 | Report card detailing updates on a cotton fabric clutch with separate segments. | ||
| View original record | R.R. 562 (2 1/2 H) (X. 435. 14.12.11) G. 2227 Section 1200 x356 CWS/A Description: Cotton fabric clutch separate segments. Date: 28/3/12, REPORT: C P instructed Hives. Date: 13/3/12, REPORT: clutch… | ||
| scan0112 | Test report comparing leather and bottom belting materials for clutches on a dynamometer. | ||
| View original record | R.R. 148 (20 H) (X 594. 6.2 12) G 2370) X356 1125 Test of material for Clutches / 28/3/12 on Dynamometer on 1426 car bonneted body Leather commenced 100°F. bottom belting commenced 80°F. Table Data:… | ||
| scan0113 | The condition of clutch and belting after dismantling, and engine torque test results. | ||
| View original record | Some oil in clutch in each case bottom belting on dismantling found V.G. in splendid condition still good. & firm on the body. Reerected.. Some chassis & load etc in test Maximum torque of engine on… | ||
| scan0114 | Comparative tests on a standard leather cone clutch and a cone clutch with cotton belting. | ||
| View original record | Derby. 1st April.1912 Mr Royce. Re Cotton Belting Clutches. Mr Platford has made comparative tests with a standard leather clutch and a cone clutch with cotton belting. The test was carried out on… | ||
| scan0115 | Test report on the performance of a cotton belting clutch under various loads and temperatures. | ||
| View original record | Cotton belting clutch load in lbs on the lever | Equivalent gradient for chassis weighing 5,500 lbs | Temperature of clutch surface | Remarks 185 | 1 in 7.92 | - | Clutch started rear wheels… | ||
| scan0116 | Committee decision to make the cotton belting clutch a standard part. | ||
| View original record | manufacture and practically finished and Mr Wormald has experienced no difficulty. On these facts the Committee have agreed that the cotton belting clutch should be made standard as soon as possible.… | ||
| scan0117 | Requesting the numbers of available London Trials Cars for fitting with cotton belting cone clutches. | ||
| View original record | ROLLS-ROYCE LIMITED, NIGHTINGALE ROAD, DERBY. TELEGRAMS: "ROYCAR," DERBY. TELEPHONES: 813 (Two Lines). DEPARTMENTAL MEMO. This column is for Name of Person addressed. DATE. Re London Trials Cars W. to… | ||
| scan0118 | Implementation of a new cotton fabric clutch to replace the existing leather version. | ||
| View original record | 1743 . 1600 TBB7/L13412. Mr Royce Mr Johnson April 13th.1912. Re Cotton Clutch. ---------------- The cotton fabric clutch will be fitted to cars as standard as soon as the necessary material can be… | ||
| scan0119 | Note on the types of clutches fitted to various experimental cars. | ||
| View original record | (2) The 1/4" thick cotton belting is at present fitted to the following experimental cars - 1714, 1926, 1761 and 1200. The remaining three experimental cars are fitted with our three experimental… | ||
| scan0120 | From F.H. Royce requesting a comparison between a cotton fabric lined clutch and a leather lined clutch, focusing on performance issues like jaggering and shrieking. | ||
| View original record | Mr. Wormald S.C. to report. C J apn. [STAMP: APR 1912] Le Canadel 15th Apl.1912. C.J. from F.H.R. Referring to the tests of the cotton fabric lined clutch, this seems excellent. At the same time I… | ||
| scan0121 | Outline of the development and testing progress of a cotton fabric cone clutch. | ||
| View original record | Mr Johnson. April 15th. 1912 TBB9/L15412. [Handwritten diagonally] File T.R. Cone Clutch Re cotton fabric cone clutches. ----------------- With reference to your attached note, the following is an… | ||
| scan0122 | The testing and development of different clutch cone samples, leading to a standardized design. | ||
| View original record | (2) sample was unsatisfactory on test owing to the dressing melting out and causing the clutch to jamb in engagement. Mr Nadin promised Committee to obtain more material without dressing. Mr Platford… | ||
| scan0123 | Progress report on an experimental clutch, noting delays due to other experiments. | ||
| View original record | (3) Nov. 23rd. Special castings made ( the Scandinavian belt-ing for this experiment was then in stock) March 15th. Clutch fitted and passed to Experimental Test Dept. Tests of this clutch have not… | ||
| scan0124 | Log detailing instructions, tests, and progress for clutch segments. | ||
| View original record | TG. 1053 / fins 25-11 Scan clutch B. continuations. Nov. 2. Segments Instructed & tested O.O. - 7.11.11 Instructed 100 8-2-12 (3 instructed 8.2.13) (finshd 12.2.13) Works inst. 24-8-11 } Raybestos… | ||
| scan0125 | Page of miscellaneous log entries and a small sketch. | ||
| View original record | Jan 24. 3 very rough mandible. Feb 7. 3 ok. Feb 20 12. ok. Nov 23rd cash deld Nov 28th withdrawn from stores. 7 Hs | ||
| scan0126 | Departmental memo regarding fitting a new type of clutch to Trials car No. 1735. | ||
| View original record | R.R. 476 (30 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. D10/AH/16412 . DEPARTMENTAL MEMO.… | ||
| scan0127 | The fitting of Cotton Belting Cone Clutches to London trials and experimental cars. | ||
| View original record | Mr Johnson 18.4.12. Re Cotton Belting Cone Clutches. TBB10/L18412. I find that all the London trials cars are fitted with this type of clutch with the exception of 1735. This car will be fitted on… | ||
| scan0128 | Test report and data for a cotton belting clutch. | ||
| View original record | R.R. 582(2 1/2 H) X. 488. 2.1.12.) G 2273. X358 Section 1200 Description: Cotton Belting Clutch COLUMN 1: Date: 19/4/12 Report: 3/16" thick leather. Specially nose squeaking, soft engagement etc. also… | ||
| scan0129 | Report log detailing component tests, inspections, and correspondence. | ||
| View original record | [Left Page] Date Miles REPORT TC. 4.5.12 8/5/12 Tested up to 150°C taken down & examined found to be O.K. Rivets want sinking edges ragged Reported to Barnington for T.C 2 clutches received. C183.… | ||
| scan0130 | Record of a Clutch Cone being supplied to the Test Department on two separate occasions. | ||
| View original record | R.R. 148 (20 M) (X698 11.3.12) G 2439 X356 O/535. Clutch Cone (1 Card) Instd 19/4/12 (1 Cart) Supply to Test Dept Cone U 1041 complete fitted with cotton fibre liner to Dr. C 133. Finished & sent to… | ||
| scan0131 | Departmental memo detailing Mr. Royce's notes on tape-wound and cotton fabric cone clutches. | ||
| View original record | R.R. 475 (50 H) (X 737. 18.3.12) E P. 1493. ROLLS-ROYCE LIMITED, NIGHTINGALE ROAD, DERBY. TELEGRAMS: "ROYCAR," DERBY. TELEPHONES: 813 (TWO LINES). DEPARTMENTAL MEMO. Ref. Mr Royce's note on N2/B9212.… | ||
| scan0132 | Tests of a Cotton Fabric Cone Clutch, investigating a 'jaggering' issue with different fabric thicknesses. | ||
| View original record | X356 TBB8/L3512. May 3rd. 1912. Mr Royce Mr Johnson Re Cotton Fabric Cone Clutch. ------------------------- Tests have been made with 3/16" fabric instead of 1/4" and up to the present it has been… | ||
| scan0133 | Page 2 of a document describing the recessing of tube rivet heads. | ||
| View original record | (2) to allow the tube rivet heads to be suitably recessed. | ||
| scan0134 | Job card detailing the supply of cotton fabric clutches to the Test Department. | ||
| View original record | R.R. 148 (20 H) (X698 11.3.12) G 2438 X356 G/535. Cotton Fabric Clutch. Instn 3/5/12 (1 Card) Supply to Test Dept 2d Cones & 1041 fitted with cotton fabric C/33 with rivets countersunk as per sketch… | ||
| scan0135 | 3/16 inch cotton fabric clutch test. | ||
| View original record | R. R. 148 (20 H) (W953 13.10.11) G 2051. X 356 3/5/12 Report on 3/16" cotton fabric clutch. One of these cones has been put thro the same test on dyno: as the 1/4" material that is picking up full… | ||
| scan0136 | Indicating a further report. | ||
| View original record | a further report. | ||
| scan0137 | The testing of a three-sixteenth cotton fabric clutch material. | ||
| View original record | Mr Barrington for T.C. 118/9 May 4th 1912. REPORT ON three sixteenth COTTON FABRIC CLUTCH. X 35C One of these cones has been put through the same test on dynamometer as the 1/4" material, ie picking… | ||
| scan0138 | Typed note regarding a clutch test, stating a further report will follow. | ||
| View original record | should have woven edges. I am continuing to run this clutch and further report will follow. E.P. | ||
| scan0139 | Departmental memo comparing the performance of the cotton fabric clutch against the plate clutch. | ||
| View original record | 475 (50 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… | ||
| scan0140 | Departmental memo discussing a plate clutch issue, including a 'jaggering' effect and observations on groove wear. | ||
| View original record | ROLLS-ROYCE LIMITED, NIGHTINGALE ROAD, DERBY. TELEGRAMS: "ROYCAR," DERBY. TELEPHONES: 813 (Two Lines). DEPARTMENTAL MEMO. This column is for Name of Person addressed. DATE. clutch. As I have… | ||
| scan0141 | Further report on dynamometer tests for a three-sixteenth cotton fabric clutch. | ||
| View original record | X356 Mr Barrington May 15th 1912. FURTHER REPORT ON three sixteenth COTTON FABRIC CLUTCH. With reference to my report re above I have made further tests with the above which has run on the dynamometer… | ||
| scan0142 | On cotton belting cone clutches, detailing a change in material thickness and tests to prevent edge fraying. | ||
| View original record | TBB14/L20512. May 20th. 1912. Mr Royce Mr Johnson. Re Cotton Belting Cone Clutches. These clutches are still giving satisfaction and as you are aware have been made standard. With reference to the… | ||
| scan0143 | Record card detailing the fitting of a cotton fabric cover to Clutch Cone C133 for Chassis 1200. | ||
| View original record | R.R. 148 (20 H) (X 828. 12.4.12) G 2506. X356 Chassis 1200. 9/535. Clutch Cone C133 (1 Card) Issued 21/5/12 (1 Card) Fit 3/16" cotton fabric with bound edge to cone on above chassis Finished & sent to… | ||
| scan0144 | Issues with a cotton belting clutch on car 1200, requesting a new one fitted with extra rivets. | ||
| View original record | Mr Barrington for T.C. Mr Baily advised 24.5.12 May 24th 1912. RE COTTON BELTING CLUTCH. With reference to the above taken off 1200 car owing to fabric leaving the cone this has had the extra rivets… | ||
| scan0145 | Instructions for the supply and manufacture of Clutch Cone G1791 to the Test Department. | ||
| View original record | R.R. 143 (20 M) (X 828. 12 4.12) G 2505. X356 G/535. Clutch Cone G1791. (1 Car) Insts Supply to Test Dept 4/6/12 (1 Car) Cone filled with cotton fabric Holes pierced not drilled Finished & sent to… | ||
| scan0146 | Test report for a 3/16' cotton fabric clutch with shellac washed off, wired edges and seams. | ||
| View original record | R.R. 512 (2½ H) X. 488. 2.1.12.) G 2273. X356 Section 1200. Description 3/16" cotton fabric clutch shellac washed off. wired edges and seams. Date Miles REPORT Date Miles REPORT 22/6/12 Fixed on 1976… | ||
| scan0147 | Test report on a cotton belting clutch of 3/16' thickness. | ||
| View original record | R.R. 512 (2 1/2 H) X. 488. 2.1.12.) G 2273 X356 Section 1200 Description: Cotton Belting Clutch 3/16' Date: 24.6.12 REPORT: T.B.B Reports tested on 1714 car 16.6.12. This clutch worked very well & did… | ||
| scan0148 | 1/4' cotton fabric clutch with shellaced, wired edges and seams. | ||
| View original record | R.R. 512 (2½ H) X. 488. 2.1.12.) G 2273. XJ5B Section 1900 Description 1/4" cotton fabric clutch. shellaced edges. wired edges & seams. Date: 28/6/12 Report: Put on 1718 chassis run 44 miles on dyno.… | ||
| scan0149 | Record card detailing the supply and status of Clutch Cone G1860 to the Test Department. | ||
| View original record | R.R. 148 (20 H) (X 970. 23.5.12) G 2599. x356 G/535. Clutch Cone G1860 (3 Cars) Insts Supply to Test Dept 1/7/12 2 Cones filled with (3 Cards) Cotton Liner G1857. 1st finished & sent to Test. 12/7/12.… | ||
| scan0150 | Letter from F.H. Royce to Claude Johnson concerning the attachment of cotton fabric to aluminium clutch cones. | ||
| View original record | R.R. 235 A (150 H) (V.V. 585. 23.2.14) G. 0363. COPY. Beacon Hotel, Crowborough, Sussex. 6th July 1912. Mr Claude Johnson from F.H.R. With reference to the subject of attaching cotton fabric to the… | ||
| scan0151 | Letter discussing proposed changes to a clutch & fly-wheel design, including materials and dimensions. | ||
| View original record | X356 Beacon Hotel, Crowborough, Sussex, 13th July 1912. Mr Claude Johnson from F.H.R. With reference to the proposed clutch & fly-wheel, we ought to be contented with the 1¾" and not go to the 2"… | ||
| scan0152 | Page 2 of a document for Claude Johnson with typed text and handwritten notes regarding a clutch mechanism. | ||
| View original record | -2- Mr Claude Johnson (contd) outer edges. Some pins could be arranged to keep this wire band from coming off, or it could be stapled in position as other staples in the working part of the clutch.… | ||
| scan0153 | From Mr Royce regarding experiments on cotton fabric clutches using staples. | ||
| View original record | X356 Re Cotton Fabric Clutches with staples. TBB2/L27712. Mr Nadin 27.7.12. Mr Royce is anxious that we should push forward with our experiments with staples in the cotton fabric clutches. Clutches… | ||
| scan0154 | Clarifying a misunderstanding regarding the attachment method for cone clutch fabric, which caused a delay. | ||
| View original record | X356 Cone Clutches (Re stapled fabric) TBB5/L22812. Mr Platford 22.8.12. With reference to the last paragraph of the attached note addressed to you from Mr Royce and dated August 19th, the Drawing… | ||
| scan0155 | Instruction to supply three Clutch Cones to the Test Department with related drawing numbers. | ||
| View original record | G/535. Clutch Cones. (1 Cars) X356 Instd 24/8/12 (1 Card) Supply to Test Dept. 3 Cones complete with cotton fabric G 1061. Drg No. G1975. G1061 G1976 G1977 1st finished & sent to Test. 30/8/12. 2nd "… | ||
| scan0156 | Record concerning the supply and specifications for clutch cones for the Test Department. | ||
| View original record | R.R. 148 (200 H) (X 995. 5.6.12) G 2627. X 358 G/535. Clutch Cones. G1982. (1 Car) Instd Supply to Test Dept. 26/8/12 (1 Card) 3 Cones complete as per construction sheet G 3611. 24/8/12. Staple &… | ||
| scan0157 | Test report on the performance of a cotton fabric clutch after being run through flood water. | ||
| View original record | X356 28.8.12. 1200. Cotton Fabric Clutch. Run through 1/4 mile of flood water up to the clutch, it did not effect the working of clutch in any way & was run 250 miles afterwards without oiling, no… | ||
| scan0158 | To Mr. Royce regarding the testing and fitting of a new cone clutch with stapled fabric. | ||
| View original record | Cone Clutches (Re stapled fabric) TBB12/L30812. Mr Royce 30.8.12. The first of these fabric clutches in which staples alone are used was delivered to test at mid-day to day. Chassis 1649 which we hope… | ||
| scan0159 | Issues and modifications regarding cotton fabric cone clutches, including riveting and stitching. | ||
| View original record | TBB8/L8912. Red file July 9th. 1912. Re Cotton Fabric Cone Clutches. With reference to your note of July 6th(attached) on the above matter, I am sorry that the question of cone clutches has caused you… | ||
| scan0160 | Letter discussing different methods for fitting fabric to cone clutches, including riveting, wire stitching, and staples. | ||
| View original record | -2- I am sorry something should have occurred that has raised the question in your mind again and given you the impression that we are undecided as to how to proceed. I should like to send you one of… | ||
| scan0161 | Letter discussing the manufacturing challenges and progress related to cones and segment cone clutches. | ||
| View original record | -3- had an angle of 10º and were about 1¼" wide.(in one piece but not endless). They informed us that they are making very great efforts to manufacture our cones in this way but have not yet… | ||
| scan0162 | From Mr. Barrington requesting the standardisation of the fabric-lined cone clutch. | ||
| View original record | R.R. 235A (100 H) (LL 354 3.7.12.) G 2699 Copy sent Mr Johnson 16-9-12. Westwood, Crowborough, Sussex, 16th Sept 1912. Mr Johnson & T.C. from Mr Barrington. re Cone Clutches. -------- Will you please… | ||
| scan0163 | Testing and standardisation of a cotton fabric cone clutch. | ||
| View original record | N2/B19912. Re Cone Clutch. X356 19-9-12. 1200 We have thoroughly tested the cotton fabric cone clutch fixed by means of white staples and find it to be entirely satisfactory. We therefore agree that… | ||
| scan0164 | Departmental memo recommending the adoption of cotton fabric cone clutches as standard. | ||
| View original record | R.R. 475 (100 H) (X 967. 22.5.12) E.P. 1898. ROLLS-ROYCE LIMITED, NIGHTINGALE ROAD, DERBY. TELEGRAMS: "ROYCAR," DERBY. TELEPHONES: 813 (TWO LINES). DEPARTMENTAL MEMO. This column is for Name of Person… | ||
| scan0165 | The testing and recommendation to adopt cotton fabric clutches using only staples. | ||
| View original record | Copy of report sent to Mr. Barrington. Reference EP19/T26912. Exp. file C. 26.9.12. 1200. X356 Re Cotton fabric clutches in which staples alone are used. ------------------------- The above, which was… | ||
| scan0166 | Use and standardization of cotton fabric for cone clutches, recommending weaving with selvedges. | ||
| View original record | Mr Nadin Mr Bailey 27.9.12. Re Cotton Fabric Cone Clutches. TBB4/L27912. Please note that Mr Platford reports that the cotton fabric attached by means of staples is satisfactory and he agrees that the… | ||
| scan0167 | Standardisation of cotton fabric cone clutches and a suggestion from Mr Royce regarding the wire gauge for staples. | ||
| View original record | Re Cotton Fabric Cone Clutches. TBB5/L27912. Mr Nadin. 27.9.12. Mr Bailey. With reference to the standard-isation of the cotton fabric attached by means of staples alone, as I previously informed you… | ||
| scan0168 | Departmental memo inquiring about the chassis number from which cotton fabric cone clutches using staples will become a standard part. | ||
| View original record | R.R. 475 (100 H) (LL 556. 26.8.12) E.P. 2385. ROLLS-ROYCE LIMITED, NIGHTINGALE ROAD, DERBY. TELEGRAMS: "ROYCAR," DERBY. TELEPHONES: 813 (Two Lines). DEPARTMENTAL MEMO. This column is for Name of… | ||
| scan0169 | Clutch clinging and dragging issues caused by the fraying of stapled cotton fabric. | ||
| View original record | X357 EP32/T231012 Mr Barrington. October 23rd 1912. RE CLUTCHES. With reference to the ¼" cotton fabric affixed by means of staples, we have had trouble with the clutch clinging which appears to be… | ||
| scan0170 | Recommendation to test selvedged edge material on standard cars to address issues with strained change speed levers. | ||
| View original record | trouble with strained change speed levers. owing to the above clinging action. I understand that we can obtain selvedged edges on 3/16ths material and I recommend that several of these should be put… | ||
| scan0171 | Supply of cotton fabric cone clutches for experimental cars. | ||
| View original record | Mr Bailey 28/10/12 TBB12/L281012 Re Cotton Fabric Cone Clutches. I understand from Mr Bagnall that there are no 3/16ths selvedge edged cotton fabric clutches ordered for experimental cars. Will you… | ||
| scan0172 | The standardisation and testing of cotton fabric clutches for standard cars. | ||
| View original record | X356 Re Cotton Fabric Clutches. Mr Platford 28/10/12 TBB11/L281012. With reference to your card EP32/T231012 concerning the proposed standardisation of 3/16ths selvedge edged cotton fabric, I find… | ||
| scan0173 | Special parts, specifically the clutch, fitted to Chassis 2100E. | ||
| View original record | TBB13/L41212 December 4th 1912. Report on Special Parts fitted to Chassis 2100E. 13. CLUTCH :- We have fitted the present standard 3/16ths selvedge edge fabric attached by means of staples alone.… | ||
| scan0174 | Potential improvements to the Ionides clutch and addressing oil retention and performance issues on the clutch for chassis 2301. | ||
| View original record | C O P Y. COPY. To J. from R. Copy to By. Copy to Wor. R3/P 2.1.14. X356 With reference to Ionides clutch, in the way Ionides' drawings were shown, the effect on the clutch pedal appeared to me to be… | ||
| scan0175 | Extract from a memo concerning issues with a harsh, oil-losing, fabric-lined clutch. | ||
| View original record | Wor/SM16/L13114. Re Automatic Lubrication of Clutch Face. X. 354 6 Hy. 13-1-14. The following is an extract from Mr Royce's memo R3/P2114 :- "With reference to the clutch on 2301, this "has not been… | ||
| scan0176 | Use of fibre and cork for friction discs in the Slipper Flywheel for the 20 HP and Phantom models. | ||
| View original record | X356 To E. from BY. c. to Hs. BY9/J4.10.27. SLIPPER FLYWHEEL. X.5300 20 HP. AND PHANTOM. X.8300 X.356 Referring to E2/M29.9.27., we are of course employing fibre for the friction discs on the new… | ||
| scan0177 | Alternative materials, such as cotton duck and cork, for slipper flywheel friction discs. | ||
| View original record | E. Dept. from BY. c. to Hs. c. to Roy. Slipper Flywheels - Friction Discs. X.356 X.5300 X.8300 R. has suggested that as a result of American experience we should try some plain cotton duck material as… | ||
| scan0178 | The receipt and trial of slipper flywheel friction discs made of cotton duck. | ||
| View original record | Hs. x356 BY3/K. 1. 11. 27. SLIPPER FLYWHEEL-FRICTION DISCS. Further to our memo By10/J4.10.27., we have now received some friction discs in cotton duck of 16 oz. and 21 oz. weight. I am handing the… | ||
| scan0179 | Promising results of slipper wheels fitted with cotton duck friction rings and requesting an order for specific models. | ||
| View original record | To BY. from Hs/GWH. Y356 GWH1/LG7.11.27. SLIPPER WHEELS. V5300 The results of the bench tests taken with a slipper wheel fitted with cotton duck friction rings are very promising. We do not get the… | ||
| scan0180 | The receipt of fabric friction discs and the non-arrival of bakelite discs for a damping flywheel. | ||
| View original record | X356 Hs. BY/Mtnl4/K. 26. 4. 28. RE FABRIC FRICTION DISCS FOR DAMPING FLYWHEEL. We attach hereto copy of letter received from Na. in connection with the above. The Fabric discs have been received, and… | ||
| scan0181 | Letter from the American branch to the London branch regarding fabric friction discs for testing. | ||
| View original record | COPY ROLLS-ROYCE OF AMERICA INC. SPRINGFIELD, MASS. April 5th, 1928. Mr. Basil Johnson, Rolls Royce Ltd., London, England. (Attention Mr. R.W.H. Bailey) Dear Mr. Johnson: RE Fabric Friction Discs for… | ||
| scan0182 | Standardisation proposal for cotton duck washers for a slipping wheel in conjunction with lighter springs. | ||
| View original record | RR 755 REVISED (10H) (D.C. 777-29-2-28) MS C. L.xp V356 COMPLETED 10.5.28 STANDARDISATION of CHASSIS PARTS. Date 30.3.28 Description of Parts. COTTON DUCK WASHERS FOR SLIPPING WHEEL IN CONJUNCTION… | ||
| scan0183 | Questionnaire regarding the fitting of a new part to a chassis, including costs and testing dates. | ||
| View original record | STANDARDISATION OF CHASSIS PARTS HX (1) The number of the first chassis on which new part will be fitted. Not known. (2) Date when the chassis will be handed to test. (3) Cost of scrapped material, if… | ||
| scan0184 | Urgent internal order request for six cotton duck washers with part number E.76547. | ||
| View original record | To Roy. from Hs/Rm. c to MS. X356 Hs/Rm1/LG18.5.28. Will you please order for us :- 6 cotton duck washers E.76547. Outside dia. 6.450 Inside dia. 4.300 Thickness .0625 approx. (20 oz.) This matter is… | ||
| scan0185 | Note discussing two proposals for fabric friction discs for a slipper drive. | ||
| View original record | Hs. C [underlined] Mx [struck-through] X356 BY6/G.16.6.28. SLIPPER DRIVE USING FABRIC FRICTION DISCS. I attach hereto copy of a note from OY. in which he deals with the above subject. Apparently they… | ||
| scan0186 | Performance and testing of woven discs for slipper flywheels. | ||
| View original record | COPY. OY4.R.6.1.28. June 1st, 1928. TO: Mr. Ross. Mr. Nadin (England). cc - Mr. Caswell. Mr. Burton(England). Mr. Bailey(England). Mr. Bagnall. FROM: Mr. Olley. RE: SPRING DRIVE - SECTION 5020.… | ||
| scan0187 | Changing friction washer material for the 20 HP crankshaft damper slipper wheel. | ||
| View original record | BY. from Hs/Rm. X356 Hs/Rm3/LG21.11.28. SLIPPER WHEEL ON NEW TYPE 20 HP. CRANKSHAFT DAMPER. Y356 X5010 The new type slipper wheel as designed will only take fibre friction washers. We have been in… | ||
| scan0188 | Slipper drive failures concerning the use of cotton duck material and suggested solutions. | ||
| View original record | BY. Sft. Wor. Hx. Hs. X356 EP4/H29 1.29. re. SLIPPER DRIVE FAILURES - COTTON DUCK MATERIAL. We still continue to have trouble with slipper drive failures, even although fitted with the latest cotton… | ||
| scan0189 | Instructions for setting the spring loading when ironing cotton duck fabric. | ||
| View original record | Sheet (2) EP4/H29.1.29. (2) (b) When "ironing" the cotton duck in position, the springs should be made all but choc-o-bloc. When testing the"loading" it may be found that under this condition it gives… | ||
| scan0190 | Clutch experiments and a proposal by Mr. Royce for a progressive engagement system using multiple springs. | ||
| View original record | X.3839 To EH. from E. &: to DA. c. to EFC. 23rd. January 1919. E1/G23119. RE CLUTCH EXPERIMENTS X. 3497 X. 3839. Characteristic of the common methods of operating clutch as in use to-day, is that the… | ||
| scan0191 | From 'E' to 'E.H.' detailing Mr. Royce's suggestion to improve clutch take-up by introducing flexibility into the anchorage. | ||
| View original record | R.R. 235A (500 T) (S.D. 408. 26-4-17.) Bm. 2/156/13. F1/G23119. Contd To E.H. from E. -2- Mr. Royce points out actually that any flexibility in the existing clutch anchorage of the big car is, of… | ||
| scan0192 | To Mr. Coverley regarding a blueprint for a clutch mechanism. | ||
| View original record | RR 235 B (200 T) (S. F. 103. 25-10-18.) G. 2244 To Mr. Coverley from EFC. EFC/AT24.2.19. X.3839.-CLUTCH MECHANISM. Herewith please receive blueprint of arrgt. drg. F.6723. in connection with the… | ||
| scan0193 | Replacement of an aluminium leather-lined clutch with a malleable cone clutch lined with Thermoid. | ||
| View original record | To Mr. Mills O.O. from EH Y3339 EH1/LG2.4.19. 2nd. April 1919. With reference to attached we note that Messrs. Calcott Bros. Ltd. state that they now fit malleable cone clutch lined with Thermoid. If… | ||
| scan0194 | Referring papers concerning the E. Baudaux patent clutch to the Assistant Chief Engineer for review. | ||
| View original record | X3339 EP/P27/01/5/19. Mr Wallis, Paris Depot. c. to Mr.Hives. c. to Lt.Col.Barrington. Re Patent Clutch E.Baudaux, Paris. With regard to your papers re Clutch, this matter has been passed on to… | ||
| scan0195 | Distorted movement in the 40/50 HP clutch operation, requesting a new design scheme for Mr. Royce's criticism. | ||
| View original record | X.3539 COPY E1/G12.5.19. To EY. ) from E. " DA ) c. to CJ. c. to BN. c. to EH. c. to EFC. RE 40/50 H.P. CLUTCH OPERATION X. 3554. With reference to the clutch operation on the 40/50 H.P. chassis an… | ||
| scan0196 | List of assembled parts for Chassis 1. E.X., detailing components from the 'F' section. | ||
| View original record | X3339 Extract from RHC1/LG30.6.19. CHASSIS 1. E.X. The above chassis is now complete and it has been assembled as follows:- "F" SECTION. S.S. No. REMARKS. X.3465. Steering Column Box. F.6453. X.3434.… | ||
| scan0197 | Design of a safer, standard clutch catch to replace the recommended wooden block. | ||
| View original record | R.R. 235 B (200 T) To Da. From Bn. Copy to Hs. X3339 RE CLUTCH CATCH. Bn1/W25819. Sales Dept. press us continuously for a device for holding the clutch out instead of using the little wooden block… | ||
| scan0198 | The design of a catch for holding the clutch out. | ||
| View original record | R.R. 235 e (200 T) (S.F. 103, 25-10-18) G. 2244 x3339 TO Gov. From Hs. RE CATCH FOR HOLDING CLUTCH OUT. For many years the Company has recommended Rolls-Royce owners to use the small block of wood for… | ||
| scan0199 | Cancelling instructions for a clutch catch mechanism following Mr. Royce's disapproval. | ||
| View original record | X3339 To De. from Bn. c. to H. c. to C1. c. to Hs. c. to H. Bn2/WS919. RE CATCH FOR HOLDING CLUTCH OUT. Mr. Royce does not agree to the use of a clutch catch, nor does he agree to the practice of… | ||
| scan0200 | Dissatisfaction with the clutch pedal movement and proposing potential modifications. | ||
| View original record | BY. from EP. c. to EH. copy X.3339 EP2/F2.1.20. X.3339. RE CLUTCH PEDAL MOVEMENT. X 3450 I do not feel satisfied with the present movement which we have with the above, especially on "A" and "B" type… | ||
| scan0201 | Point about clutch pedal movement and the use of existing aluminium castings. | ||
| View original record | EP. from BY. c. to Hs. C.R. X.3339 BY6/P15.1.20. X.3339 CHASSIS - (CLUTCH MECHANISM). RE CLUTCH PEDAL MOVEMENT. I do not personally appreciate this point, as all chassis we have ever produced are as… | ||
| scan0202 | Ongoing issue with a leaking clutch spigot oil valve and proposed solutions. | ||
| View original record | x 3339 Ex. from EP. c. to Sft. c. to Da. c. to Hs. c. to EH. EP18/F12.2.20. RE. CLUTCH SPIGOT OIL VALVE LEAKING. Further to your BY/G34/H.30.1.20, replying to my EP2/F29.1.20 in which I complained… | ||
| scan0203 | Complaint and proposed modifications for the operating pin for a clutch oil valve. | ||
| View original record | To R. from Da. Copy to Bn. Copy to EFC. X3339 Da18/CB18.6.20. X.4151. RE OPERATING PIN FOR CLUTCH OIL VALVE. X.3339 We understand that a complaint has come from America to the effect that the present… | ||
| scan0204 | Continued memo with suggestions for component design alternatives, referencing scheme 398. | ||
| View original record | Contd. -2- Da18/CB18.6.20. the annulus of the old arrangement, and that the barrel portion should be made a fairly good fit in the screw bush. Alternative to the two flats we suggest that flutes might… | ||
| scan0205 | Examination and wear on a Packard clutch, with notes on other American and Hawk-Northcliffe clutches. | ||
| View original record | R.R. 235A (100 T) (S.H 159. 11-8-20 G. 2800) X3339 1 3408 To R. from Hs/TMW. c. to CJ. c. to Da. Hs/TMW2/LG6.12.20. X.435. X3408 RE CLUTCH PLATE AND GEARBOX. X.1223. X.3339 With reference to your… | ||
| scan0206 | Customer-supplied wooden tee piece for holding out the clutch overnight. | ||
| View original record | To Mr Warwick from DA. Re Clutch Holding-out Device. A customer sent us the accompanying wooden tee piece, which he had made for holding out the clutch overnight in place of the piece of wood we put… | ||
| scan0207 | Upcoming delivery of four distinct sets of Ferodo clutch linings. | ||
| View original record | R.R. 225A (100 T) (S H. 728. 10-12-20) G. 2947 X.533 q Hs Ds. from Wd c.to Dv. c.to Hs. c.to Ms. c.to D/Chat. RECEIVED FEB 5 1921 Wd6/NJ5.2.21. Ferodo Discs for Clutch. Referring to the visit which… | ||
| scan0208 | Issues with the gear change mechanism, including clutch braking, gearbox oil viscosity, and transmission slack. | ||
| View original record | To EP. from R. c. to CJ. c. to PN. c. to Hm. c. to BY. c. to Hs. X3339 R16/G25.4.21. X.3427 RE CHANGING GEAR. X.3339. It has long been my impression that we often fit up our cars so that the clutch… | ||
| scan0209 | Continued memorandum discussing slack in the transmission and the irritating nature of engine misfires. | ||
| View original record | Contd. -3- especially the top gear. It seems pretty certain that some slack in the transmission is of no serious disadvantage because an engine which misses fire is irritating, whether there is slack… | ||
| scan0210 | Adjustment of clutch brakes and related issues with gear changing. | ||
| View original record | X.3339. R. from EP. c. to CJ. c. to PN. c. to Hm^c c. to Bt. c. to Hs. EP1/F27.4.21. X.3427 - RE. CHANGING GEAR - ADJUSTMENT OF CLUTCH BRAKES. X.3339 With reference to your R16/G25.4.21, we have… | ||
| scan0211 | Typed document discussing complaints of slack in the transmission and its relation to the firing of the engine. | ||
| View original record | -2- on this point. With regard to the slack in the transmission we strickly adhere to the drawing limits as far as this is concerned, our action in dealing with complaints of slack in the transmission… | ||
| scan0212 | Mr. Royce's feedback regarding a heavy clutch on the 40/50 HP model and modifications for the N. series. | ||
| View original record | To BA. from E. Copy to CG. [Strikethrough] HS. [Strikethrough] BY. [Strikethrough] EPC. [Strikethrough] X 3339 2 E4/G29/4/21. X3339 X3923 [Strikethrough] RE 40/50 H.P. CLUTCH MECHANISM. Referring to… | ||
| scan0213 | Extract discussing oil leakage in clutch valves and recommending a standardized fix. | ||
| View original record | X3339 Extract from EP1/Thn/H13.8.21. X.3719 4. Clutch Valves. X.4151. X.3339 "Am enclosing prints of this A.623 and A.624. Now standardised. I recommend Derby approve and adopt at Derby. Oil from… | ||
| scan0214 | Clutch on the 4-EX car that jaggers and sticks. | ||
| View original record | Mr. Hives. from GWH. X3339 13.4.23. 4-EX CAR CLUTCH. Fitted 22.2.23. Clutch jaggers and sticks. The clutch fabric is of the closer woven type than standard. The appearance of the fabric on dismantling… | ||
| scan0215 | Oil leaks from the clutch valve on American cars, attaching a copy of a letter for information. | ||
| View original record | X4194 EWT. to Hs. EWT/HJC8/G19.10.20. Re: Oil Leaks from Clutch Valve American Cars. Attached hereto is copy of letter ref: Oyll-G.28920 addressed to CJ. from America for your information. EWT. U.S.A.… | ||
| scan0216 | Letter from Rolls-Royce of America regarding oil leaks from the clutch valve on American cars. | ||
| View original record | Cyll - G 28920 RECEIVED 19 OCT 1920 U.S. A. DEPT. Sept. 28, 1920 Mr. Claude Johnson, Managing Director, Rolls-Royce Ltd., London, England. Dear Sir:- Re: Oil Leaks from Clutch Valve American Cars With… | ||
| scan0217 | Proposed scheme for clutch and flywheel lightening on the Phantom model. | ||
| View original record | To R. from AJS. c. to BJ. Hs. 4194 AJS1/M21.2.27. PHANTOM - CLUTCH AND FLYWHEEL LIGHTENING. X.8300 X.4194 In reference to your recent letter dealing with this subject, and the apparent success of OY's… | ||
| scan0218 | Testing and potential adoption of a serrated coupling for the Phantom clutch. | ||
| View original record | To AJS. E. BY. Hs. from R. c. to BJ. Wor. OY. H1. X4194 R2/M6.3.27. PHANTOM CLUTCH. X. 8300 X. 4194 Will Mr. Stent kindly do as he suggests i.e. include in the next modifications the serrated coupling… | ||
| scan0219 | Phantom clutch, comparing its performance and cost against the older cone clutch and addressing material issues. | ||
| View original record | (4194) To BJ. from R. c. to BY. Hs. R3/M27.5.27. RE. PHANTOM CLUTCH. X.8300 X.4194 Regarding Springfield's remarks, and their wish to return to the old cone clutch, no doubt the new clutch is more… | ||
| scan0220 | Chassis alteration number 4, detailing modifications to the clutch brake spring to address slow gear changes. | ||
| View original record | X4194 cc - Mr. Beaver Mr. Burton OYS.R.1.21.29 Mr. A.F. Sidgreaves, Rolls Royce Limited, London, England. Dear Mr. Sidgreaves: January 21st, 1929. cc - Mr. F.H. Royce Derby Works Report on Chassis… | ||
| scan0221 | Alteration to a clutch-brake, its performance, and seeking advice on further improvements. | ||
| View original record | - 2 - Alteration. A clutch-brake was fitted with rotating fabric as shown in the details herewith. With a 65 lb. spring this was too quick. With a 30 lb. spring this has now given good and consistent… | ||
| scan0222 | Cover letter forwarding correspondence from OY concerning the single plate clutch. | ||
| View original record | R. c. PA c. HS. -------- X4194 BY5/G.19.3.29. I am sending you herewith copy of a letter we have received from OY. in connection with the single plate clutch, also a copy of my reply. I thought it… | ||
| scan0223 | Letter from Rolls-Royce of America discussing unfavourable clutch performance and issues with facings on Phantom models. | ||
| View original record | ROLLS-ROYCE OF AMERICA, INC. SPRINGFIELD, MASS. OY.7. March 1st. 1929. Mr. R.W.H. Bailey, Rolls Royce Ltd. Derby, England. c. London File. Dear Mr. Bailey, CLUTCH - SECTION 6000.… | ||
| scan0224 | Clutch grabbing and slipping issues, detailing potential solutions and noting severe use complaints from New York. | ||
| View original record | - 2 - March 1st. 1929. At this stage the clutch still grabs, but also slips violently under heavy loads. The co-efficient of friction has evidently dropped very low. If running is continued the fabric… | ||
| scan0225 | Letter discussing the use of 'Tenoid' material and comparing Silver Ghost and Phantom clutches. | ||
| View original record | C O P Y. BY11/G. 18th. March 1929. Mr. M. Olley, Messrs. Rolls-Royce of America, Inc. Springfield, Mass. Dear Mr. Olley, CLUTCH - SECTION 6000. Referring to your letter of the 1st. inst. (ref. OY.7)… | ||
| scan0226 | Technical letter discussing the clutch defects of the Silver Ghost and comparing them to the Phantom model. | ||
| View original record | -2- 13th March 1929. The defect of the Silver Ghost clutch was that its mass prevented easy gear changing, and R. considered this to be so serious a defect that he was prepared to face the fact that… | ||
| scan0227 | Practice of slipping the Phantom clutch and comparing its performance. | ||
| View original record | OY. BY. from R. HS. c. to Sg. Wor. c. to DA. E. RE. PHANTOM CLUTCH. X. 8300 X.4194 Mr. Olley's letter is a great surprise to us. We do not know of any such trouble in any part of the world, even in… | ||
| scan0228 | Repeated development of clutch 'jaggering' and 'grabbing' issues. | ||
| View original record | VL494 OY-4 June 12th, 1929. TO: Mr. Ainsworth cc - Mr. Baswell Mr. Soutter Mr. Bagnall Mr. Burton Experimental Dept. Mr. Hives (England) FROM: Mr. Olley CLUTCH - SECTION 6000 Repeated development of… | ||
| scan0229 | Modification to clutch fabric rings to address persistent trouble. | ||
| View original record | - 2 - If we can prove this we shall have made an important advance as it is an easy matter to divide each ring of fabric into three or four distinct and separate blocks. You might like to try this on… | ||
| scan0230 | Intensive rough test of a clutch on car MX-4, resulting in its failure and fire. | ||
| View original record | OY-5 X H194 June 28th, 1929. TO: Mr. Bagnall cc - Mr. Beaver Mr. Burton Mr. Ainsworth Mr. Allen Experimental Dept. Mr. Bailey (England) Mr. Hives FROM: Mr. Olley CLUTCH - SECTION 6000 In an attempt to… | ||
| scan0231 | Clutch failure analysis for Phantom cars, detailing issues with slipping and material damage. | ||
| View original record | - 2 - This is a very rough test which however serves to show up what we consider the outstanding cause of complaint on Phantom cars. We now have enough evidence both by this test and by maintenance… | ||
| scan0232 | Proposed test procedure for different clutch part assemblies on a dynamometer rig. | ||
| View original record | -3- Proposed Test. Will you now help us to arrange as soon as possible an accurate test as follows:- (1) On an engine on unit dynamometer arrange for assembly of the clutch parts in four different… | ||
| scan0233 | Clutch testing procedures under known load and slipping speed. | ||
| View original record | - 4 - This will give an accurate record under known load and slipping speed, of the heating of the clutch and of the change in coefficient of friction, after a certain time of operation. The test… | ||
| scan0234 | Design and friction challenges of a slipper flywheel. | ||
| View original record | Sg. c. Hs. X H194 BY9/G.8.7.29. RRAI. SLIPPER FLYWHEEL. SECTION 5020. ------------------------------------ Referring to Sg22/E28.6.29. and OY2 of June 19th on the same subject, there is no doubt but… | ||
| scan0235 | Development of Phantom clutches following feedback from the American company. | ||
| View original record | COPY. X4194. To Hs. From Sg. Re. Phantom Clutches. Sg3/E16.9.30. X. 7480. c. to W.or. X. 7305. X. 4194. I have read with great interest Hs1/MJ.15.9.30. and former memos. on the same subject. It is, as… | ||
| scan0236 | Note received from the U.S.A. regarding clutch performance and brake squeaks. | ||
| View original record | X4194 COPY OF NOTE RECEIVED FROM H.S.(IN U.S.A.) RECEIVED 29.11.30. X. 7941d. X. 4194. To R. c. to SG. Wor. c. to E. Da. c. to By. CLUTCHES. The clutch on 25-H has worked remarkably, there has not… | ||
| scan0237 | Engine design considerations for the 'After-The-War Chassis'. | ||
| View original record | X.3439. R.R. 255 a (100 T) (S.F 846 6-8-19) G. 2460 To Hy. from R. c. to Nae c. to By. c. to Hs. c. to Wor. c. to EP. c. to J. By/P. X.2565 Re - After-The-War Chassis. X.682. R6/W31016. 7 X.3432/9.… | ||
| scan0238 | Visit from Herbert Frood about the use of his asbestos-based material in plate clutches. | ||
| View original record | R.R. 235A (500 T) (S.D. 408, 26-4-17.) Bm. 2/156/13. To R. from BY. c. to CJ. c. to EFC. c. to EH. ---------------- BY/KP.211218. December 21st 1918. X.3439 X.3409. Ferodo. 3351. RE CLUTCHES. Mr… | ||
| scan0239 | Different clutch materials, including wire-woven asbestos and a non-asbestos cotton-based alternative. | ||
| View original record | (2) BY1/KP.211218. contd; he is now using on the Tank Clutch, print of which I enclose, is jointless and will not stick the plates together if made from the samples which we send herewith. This… | ||
| scan0240 | Impregnating fabric with emery or graphite for vehicle spring damping. | ||
| View original record | R.R. 235A (500 T)-(S.D. 408. 26-4-17.) Bm. 2/156/13. (3) BY/KP.211218. contd. fitted. (2) The second idea was to impregnate the fabric with fine emery. This was the result of his introducing the… | ||
| scan0241 | Test results for various materials, measuring the co-efficient of friction at 150°C and 500°C. | ||
| View original record | R.R. 235A (500 T) (S.D. 408. 26-4-17.) Bm. 2/156/13. 12th December 1918 X.3409. TEST RESULTS Temperature up to 150° Centigrade. (approx) Description of material | Duration of test in mins. | Area in… | ||
| scan0242 | Alterations for the 40/50 HP chassis, to be applied to a new batch of 500 units. | ||
| View original record | R.R. 235A (500 T) (S.D. 408. 26-4-17.) Bm. 2/156/13. To Wor. from E. c. to EY. c. to DA. c. to EH. c. to EP. X.3409. 8th January 1918. E2/G8119. RE 40/50 H.P. CHASSIS Please find attached a… | ||
| scan0243 | Alterations and experimental work for the 40/50 HP present type chassis X.2565. | ||
| View original record | To EY } RP } EH } c.c. to CJ. c.c. to WOr. c.c. to EP. 18th December 1918. R7/G181218. Compiled by Mr. Elliott. RE ALTERATIONS TO 40/50 H.P. PRESENT TYPE CHASSIS X.2565 OBJECT:- The object of this… | ||
| scan0244 | Design considerations for the clutch, gearbox, and back axle. | ||
| View original record | R.R. 235A (500 T) (S.D. 408. 26-4-17.) Bm. 2/156/13. To EY. DA & EH. from R. -8- R7/G181218.Contd. (11) CLUTCH. X.2339- X.3409 The cotton fabric oil lubricated clutch at present standard on the car is… | ||
| scan0245 | Alterations for the 40/50 HP chassis and the associated draughting work. | ||
| View original record | X3439 COPY To Wor. from E. c. to BY. c. to DA. c. to EH. c. to EP. 8th January 1919. E2/G8119. RE 40/50 H.P. CHASSIS Please find attached a specification of the alterations to be made to the 40/50… | ||
| scan0246 | Alterations and experimental work for the 40/50 HP present type chassis X.2565. | ||
| View original record | To EV REP EH c. to CJ. c. to Wor. c. to EP. 18th December 1918. R7/G181218. Compiled by Mr. Elliott. RE ALTERATIONS TO 40/50 H.P. PRESENT TYPE CHASSIS X.2565 OBJECT:- The object of this report is to… | ||
| scan0247 | Design changes for front flywheels, magnetos, and the air pump. | ||
| View original record | R.R. 235A (500 T) (S.D. 408. 26-4-17.) Bm. 2/156/13. EY. DA. & EH. from R. -6- R7/G181218. Contd. (7) FRONT FLYWHEELS. X.3439 The absence of balance weights, the lighter crankshaft, lighter connecting… | ||
| scan0248 | Confirming receipt of an arrangement drawing for a 'Chassis' Flywheel & Clutch. | ||
| View original record | To Mr. Coverley. from EFC. EFC3/T14.2.19. 14th February 1919. X. 2439 - "CHASSIS" FLYWHEEL & CLUTCH. Herewith please receive G.4465 Arrgt. Drg, in connection with the above. EFC. | ||
| scan0249 | Instruction memo regarding flywheel timing markings for the 40/50 HP chassis. | ||
| View original record | R.R. 235A (500 T) (S.D. 408. 26-4-17.) Bm. 2/156/13. To Mr. Hives from BY/C. C. to Mr. Swift. C. to E.P. C. to Mr. Goverley. C. to E.F.C. C. to Mr. Bowers. C. to Mr. Small. March 10th 1919.… | ||
| scan0250 | Modifications to clutch cones for a 40/50 HP chassis flywheel and clutch. | ||
| View original record | March 22nd; 1919. BY/C3/GMK22.3.19. To. Mr. Mills from BY/C. To. Mr. c. to Mr. Swift. c. to Mr. Coverley. c. to E.F.C. c. to Mr. Insull. c. to Mr. Bowers. X.3439. 40/50 HP CHASSIS - FLYWHEEL & CLUTCH.… | ||
| scan0251 | Standardising the Clutch Cone for the 40/50 HP Chassis, replacing drawing G.2192 with G.6735. | ||
| View original record | To: Mr. Hall? from BY/C. To: Mr. Swift C. to Mr. Coverley C. to E.P.C. C. to Mr. Rowledge March 22nd; 1919. BY/C3/GMK22.3.19. RECEIVED MAR 24 1919 X.3439 40/50 H.P. CHASSIS - FLYWHEEL & CLUTCH.… | ||
| scan0252 | Previous experiment on a lighter clutch and proposing further modifications for weight reduction. | ||
| View original record | To E. From EH. c. to BY. X.3439 Chassis EH4/LG25.3.19. 25th. Mar. 1919. With reference to your memo to try a lighter clutch member. Some years before the War we carried out this experiment and at that… | ||
| scan0253 | Issues with the 40/50 clutch's aluminium oil retaining ring and recommending a design modification. | ||
| View original record | To BY. from EH. c. to BN. c. to E. X.3439. EH1/LG23.5.19. 23rd. May 1919. Are we right in assuming that the separate aluminium oil retaining ring which is to be fitted to the 40/50 clutch, is only… | ||
| scan0254 | Altering the ignition markings on the flywheel for the 40/50 chassis. | ||
| View original record | To BY. from EH. c. to BN. x.3439 EH4/LG15.8.19. 15th. Aug. 1919. RE MARKINGS ON FLYWHEEL ON 40/50 CHASSIS. We notice that the chassis' on test have the late ignition mark on the flywheel in the old… | ||
| scan0255 | Requesting an order for stronger experimental clutch springs for the 40/50 HP chassis. | ||
| View original record | To Da. from EH. c. to En. EH3/LG15.8.19. 15th. Aug. 1919. X.3439 40/50 HP. CHASSIS CLUTCH. We feel that now the torque on the Car engine is increased and that we have fitted the oil retaining ring so… | ||
| scan0256 | Practice of holding clutches out, their lubrication, and materials. | ||
| View original record | R.R. 235A (500 T) (S.D. 408. 26-4-17.) Bm. 2/156/13. To BN. from R. c. to CJ. c. to BJ. c. to JCR. c. to HM. c. to OY. c. to PH. c. to PN. R5/G27.8.19. RE CATCH FOR HOLDING CLUTCH OUT. X.3439. With… | ||
| scan0257 | The clutch brake, gear changing techniques, and a new retaining ring for clutch oil. | ||
| View original record | Contd. -2- R5/G27.819. ---------- early and very effective clutch brake. Personally, I prefer a very free clutch when it is out, although it is a little slower to change gear with, but is, I think… | ||
| scan0258 | Extract listing new parts fitted to the 40/50 chassis compared to the pre-war version. | ||
| View original record | X.3439 Extract from EHL/LG27.8.19. The following is a list of new parts which have been fitted to the 40/50 chassis, which we are now making compared with the 40/50 HP. chassis we made previous to the… | ||
| scan0259 | Extract listing a new part fitted to the 40/50 chassis compared to the pre-war 40/50 HP chassis. | ||
| View original record | X. 3439. Extract from EHL/LG27.8.19. The followign is a list of new parts which have been fitted to the 40/50 chassis, which we are now making compared with the 40/50 HP. chassis we made previous to… | ||
| scan0260 | Troubleshooting noise from a dynamo ball bearing and harshness in the clutch, with a suggested design change. | ||
| View original record | X.3459 X.3439 49GR. Ex Trace R6/9. 22.9.19. The noise in the neighbourhood of the gear box was traced to be the dynamo ball bearing. It was reduced slightly by running the belt slacker. X.0654… | ||
| scan0261 | Harsh operation of a fabric clutch and suggesting potential improvements. | ||
| View original record | R.R 235A (100 T) (S.F. 575. 16-4-19) G. 2354 X. 3439. R1/G23.9.19. To EH. from R. Copy to CJ. " " BN. " " DA. " " EFC. " " PN. " " HN. RE CLUTCHES. X.2631. X.682. X.3439. X.3657. We found the fabric… | ||
| scan0262 | Postscript memo discussing the improvement of a clutch mechanism by injecting it with castor oil. | ||
| View original record | To EH. from R. R1/G23.9.19. Contd. P.S. Since writing the foregoing, I have injected half a syringe of castor oil into the clutch and lubricated the operating mechanism. This has made an enormous… | ||
| scan0263 | Engine improvement by reducing friction on the slipper drive. | ||
| View original record | R.R. 235A (500 T) (S.D. 408. 26-4-17.) Bm. 2/156/13. V.3489 COPY. BN. c. to EH. EP4/F24.11.19. RE IMPROVEMENT TO ENGINE BY REDUCTION OF FRICTION ON SLIPPER DRIVE. In view of the point raised in recent… | ||
| scan0264 | Adjustment of slipper flywheels, proposing to use half the number of springs to make the engine feel softer. | ||
| View original record | To E.N. from E.H. c. to E.P. X.3439 E.F.C. *EH1/LG26.11.19 RE ADJUSTMENT OF SLIPPER FLYWHEELS. With reference to EP's memo referring to the above, our tests confirm that an engine feels softer picking… | ||
| scan0265 | Confirming the standard procedure for adjusting slipper flywheels by reducing the number of springs. | ||
| View original record | R.R. 235 B (200 T) (S.F. 673, 22-5-19) G. 2376. Ck. X.3439 To HB. from Bn. c. to BP. Ck Bn11/W28.11.19. RE ADJUSTMENT OF SLIPPER FLYWHEELS. With reference to EP4/F241119 and EH1/LG261119, attached, in… | ||
| scan0266 | Update on modifications and issues for car 1.EX, concerning the clutch, high tension wires, and thermometer fitting. | ||
| View original record | X.3439 Extract from EH3/LG.8.12.19. RE CAR 1.EX X.3439. X. 3714. X. 3565. Since we have had 1.EX at the Works, we have also fittedthe new Clutch Trunnion which gives better movement on the Clutch… | ||
| scan0267 | Inquiry regarding a pre-war consideration to reduce the weight of slipper fly-wheels for the chassis engine. | ||
| View original record | R.R. 235 B (200 T) (S.F. 103, 25-10-18) G. 2244. Handwritten: X3439 To EH.) from BY/JH. [Strikethrough: to EP)] BY/JH4/ML.7119. 7th December 1919. RE CHASSIS ENGINE. We are under the impression that… | ||
| scan0268 | List of requested modifications and new parts to be fitted to chassis 2.EX. | ||
| View original record | R R 235 a (100 T) (S.F. 846 6 8-19) G. 2460. X3439 To NHC. from Hw. Hal/LGSG.12.10.19. X.3741. - RE Chassis 2.EX. We would like the following new parts fitted to chassis 2.EX. 1. X.3682. Change Axle… | ||
| scan0269 | Leaking clutch spigot oil valve and proposed design improvements. | ||
| View original record | R R. 235 A (100 T) (S-F) 846 6 S-19) G. 2460 BY. from EP. c. to Sft. c. to Da. c. to Hs. c. to Bn. C.R. X 3439 EP18/F12.2.20 X 3439 RE. CLUTCH SPIGOT OIL VALVE LEAKING. Further to your… | ||
| scan0270 | Confirming the supply of pressed unwoven asbestos brake material and aluminium rivets. | ||
| View original record | Hs. from BY. C. to EFC. COPY X3439 BY6/F7.5.20. X3439 CHASSIS - REAR HUB AND BRAKE, ALSO CLUTCH. X3518 Referring to Mr. Frood's visit and our point conference on the subject of Brake Liners and later… | ||
| scan0271 | Letter from Ferodo Limited concerning the supply of unwoven asbestos clutch material and research into plate clutch designs. | ||
| View original record | COPY. FERODO LIMITED, SOVEREIGN MILLS, CHAPEL-EN-LE-FRITH, May. 6th. 1920. Thursday. HF/LD. Messrs. Rolls-Royce Limited, Nightingale Road, DERBY. Dear Sirs, Confirming the writer's visit, and thanking… | ||
| scan0272 | Page 2 of a letter from Ferodo Limited concerning the supply and fitting of new liners to foot brake shoes. | ||
| View original record | Contd. -2- supply, over and above your current needs. Probably you will not mind sending us a few foot brake shoes, addressed to the writer so that we can fix if the shoes need adjusting to fit these… | ||
| scan0273 | Production challenges of endless woven conical belts for a flywheel and clutch. | ||
| View original record | COPY. LP/HS. C to E.F.C. X.3439 BY7/H19.5.20. X.3439 RE FLY WHEEL & CLUTCH FABRIC FOR FIXING CONES. As promised, we actually wrote to the Scandanavian Belt Co. who have always produced our fibre cones… | ||
| scan0274 | Receipt of parts from Vickers, Skefko, and Lucas. | ||
| View original record | R.R. 235. B (200 T) (S.F. 103 25-10-18) G. 2244 X.3439 Mr Clark.from O.O. Wd/Dnl/HP28520. 28th May. 1920. X.3439 Please note we have received from Messrs. Vickers Limited, 3 Clutch Ring Forgings… | ||
| scan0275 | Oil leaks from the clutch valve on American cars, detailing the function and adjustment of the worsted insert. | ||
| View original record | To Cj. from Hs. X3439 Hs4/LG8.9.20. X.3614. RE OIL LEAKS FROM CLUTCH VALVE. X.3439. AMERICAN CARS. With reference to the attached correspondence, there appears to be a difference in opinion in America… | ||
| scan0276 | Instructions regarding excess oil leaking through a valve and increasing the amount of worsted in the crankshaft. | ||
| View original record | Contd. -2- Hs4/DG8.9.20. America have been already informed by EP. as regards the procedure to take with these cars but in case of excess oil leaking through the valve, when they have made this… | ||
| scan0277 | Suggestion for a modification to the design of the Clutch Coupling. | ||
| View original record | 1 R.R. 285A (100 T) (S.H. 159. 11-8-20) G. 2800 X-3439 Da. By7/H14.12.20. X.3439 SUGGESTION Y.636 - A Riddell, Test Dept. I am sending you herewith a suggested modification to the design of the Clutch… | ||
| scan0278 | Dismissing Suggestion Y636 from A. Riddell of the Test Dept. regarding the use of springs. | ||
| View original record | X.3439 To Wor. from Da. Da9/CB17.12.20. X 3439 RE Suggestion Y636. A. Riddell - Test Dept. I do not think this suggestion would be a success. For the springs to be effective they would require to be… | ||
| scan0279 | Trial and rejection of a clutch holding-out device. | ||
| View original record | x 3439. n. To Da. from Hs/TMW. Hs/TMW1/LG22.12.20. X 3439 RE. CLUTCH HOLDING-OUT DEVICE. In regard to your Da4/CB16.12.20. We have tried the wooden "T" piece for holding out the clutch and the only… | ||
| scan0280 | Design of a safety clutch catch device to replace the use of a wooden block. | ||
| View original record | H. G. 238A (100 T) (S.H. 159. 11-8-20) G. 2800 X.3439 Filed Jan. 12. 21. To Da. from Bn. c. to Hs. Bn1/W25.8.19. X-3439 RE CLUTCH CATCH Sales Dept. press us continuously for a device for holding the… | ||
| scan0281 | Design of a catch for holding the clutch out. | ||
| View original record | X.3439 To R. from Bn. c. to Ck. c. to Da. c. to Hs. X 3439 Bn2/W25.8.19. RE CATCH FOR HOLDING CLUTCH OUT. For many years the Company has recommended Rolls-Royce owners to use the small block of wood… | ||
| scan0282 | Communicating Mr. Royce's disapproval of a clutch catch and cancelling instructions to proceed with schemes for it. | ||
| View original record | X 3439 To Da. from Bn. c. to R. c. to CJ. c. to Hs. c. to H. Bn2/W8.9.19. X 3439 RE CATCH FOR HOLDING CLUTCH OUT. Mr. Royce does not agree to the use of a clutch catch, nor does he agree to the… | ||
| scan0283 | Customer-suggested wooden tee piece to act as a clutch holding-out device. | ||
| View original record | X.3439 To Mr. Warwick. from Da. Da4/CB16.12.20. X-3439 Re Clutch Holding-out Device. A customer sent us the accompanying wooden tee piece, which he had made for holding out the clutch overnight in… | ||
| scan0284 | Letter from a customer regarding a wooden device he created for propping out the clutch. | ||
| View original record | R.R. 235A (100 T) (S.H. 159. 11-8-20) G. 2800 X.3439 The Limes, Castleton, Lancs. Oct. 28th, 1920. Messrs. Rolls-Royce Ltd., D E R B Y. Dear Sirs, I am sending under separate cover a small article… | ||
| scan0285 | Letter to a customer regarding a wooden device for holding out the clutch. | ||
| View original record | X. 3439 R.R. 29A (100 T) (S.H. 159, 11-8-20) G. 2800 Reference - Da9/CB24.11.20. Nov. 24th. 1920. Richard B. Smalley Esq., The Limes, Castleton, Lancs. Dear Sirs, We thank you for your letters of the… | ||
| scan0286 | Wooden 'T' piece for a clutch holding-out device and recommending against its use. | ||
| View original record | To Da. from Hs/TMW. Hs/TMW1/LG22.12.20. RE. CLUTCH HOLDING-OUT DEVICE. In regard to your Da4/CB16.12.20. We have tried the wooden "T" piece for holding out the clutch and the only objection we have to… | ||
| scan0287 | Response to an inquiry about using a wooden clip on a clutch pedal and a holding-out piece for a cotton fabric-lined clutch. | ||
| View original record | X3439 R.R. 25A (100 T) (S.H. 159. 11-8-20) G. 2800 Reference - Dal/CB23.12.20. December 23rd, 1920. Richard B. Smalley Esq., The Limes, Castleton. LANC: Dear Sir, In reply to yours of the 20th… | ||
| scan0288 | Adoption of new clutches and issues with Ferodo and Raybestos friction materials. | ||
| View original record | X.3439 To Hs. " EP. } " R.R. of America Inc. } from R. c. to CJ. c. to PN. c. to H. c. to Wor. c. to De. c. to By. c. to Bn. c. to HM. c. to CX. c. to C. c. to SA. X.3439 RE CLUTCHES. X.F.Y.O X.3409… | ||
| scan0289 | Failures of the chassis flywheel guard and recommending its modification or removal. | ||
| View original record | X3439 FR 1 Hs. from EP. C. to Da. C. to Ey. C. to E. F.R. EP9/F15.4.21. X3439 / X826 CHASSIS - FLYWHEEL GUARD. The flywheel guard as now used does not appear to be at all satisfactory. The original… | ||
| scan0290 | Cone clutch, referencing correspondence with 'Scandinavia' Belting Ltd. and requesting a despatch date. | ||
| View original record | Hs. X3439 Wd/Ms7/FJ23.9.21. CONE CLUTCH. X3439 With further reference to memo/-BY1-P6.7.21, we attach hereto copy of letter we have this day received from Messrs."Scandinavia" Belting Ltd. dated 22nd… | ||
| scan0291 | Letter from Scandinavia Belting Ltd. regarding the supply of a jointless non-metallic cone clutch lining. | ||
| View original record | Copy of letter received from:- "SCANDINAVIA" BELTING LTD., 59, Southwark Street, London, S.E.1. CLUTCH & BRAKE LINING DEPARTMENT. 22nd September, 1921. Messrs. Rolls-Royce Ltd., Nightingale Road,… | ||
| scan0292 | Specification sheet detailing the weights and dimensions of 40/50 and Goshawk clutch and flywheel components. | ||
| View original record | X3439 27.2.23. X3439 X4244 X4538 DETAILS OF 40/50 CLUTCH AND FLYWHEEL WEIGHTS. Wt. of Crankshaft member. 50 lbs. " " Flywheel Member 43 lbs. " " lined Alum. Member 13 lbs. Approx. radius of gyration… | ||
| scan0293 | Modifications to the 40/50 chassis slipper flywheel, including spring numbers, friction material, and tolerances. | ||
| View original record | 43439 Mr Shelton. c. Hs. c. E.P. c. B.P.F. BY10-P13. 3. 24. 40/50 CHASSIS. SLIPPER FLYWHEEL. In view of the fact that the Test Dept. have now satisfied themselves definitely that it is necessary for… | ||
| scan0294 | Friction consistency, note tabulation on drawings, and implementing design alterations. | ||
| View original record | BY10-P13.3.34. contd. - 2 - We already point out that consistence of friction is essential - we should emphasize this fact as being more important than the variations in the actual load. We should… | ||
| scan0295 | Investigation into engine vibrations caused by slipper drive variations on 40/50 and 20-HP chassis, with recommendations for improved surface finishing. | ||
| View original record | X3439 1 BY c. to Hs. C. to Sft. EP4/H9.4.23. X3439 X4244 re. Slipper Drive for 40/50 and 20-HP? Chassis. After investigating engine vibrations and making comparisons between different engines which… | ||
| scan0296 | Essential points and investigations for the 40/50 HP Slipper Flywheel. | ||
| View original record | X3439 BY. c. to Hs. c. to Sft. c. to Shn. EP/HS.6.6.23. re. 40/50 HP. SLIPPER FLY WHEEL. With further reference to our memo EP4/H9.4.23, and your memo BY20/P4.6.23, we have for some time been making… | ||
| scan0297 | The moment of inertia of EAC and 40/50 HP flywheels. | ||
| View original record | R.E. 493A (20H) (D.A. 652 20-3-24) F.H.D. 42439 EXPERIMENTAL REPORT. Expl. No. REF: Hs/ACI/LGL.12.24. x8300 MOMENT OF INERTIA OF EAC. & 40/50 FLYWHEELS. We have determined the moment of inertia of the… | ||
| scan0298 | Comparison table of physical properties and inertia calculations for EAC and 40/50 HP components. | ||
| View original record | || EAC. | 40/50 HP. | |---|---|---| | DISTANCE BETWEEN SUPPORTING WIRES. | 1.166 ft. | 1.166 ft. | | LENGTH OF WIRES. | 6.644 ft. | 6.839 ft. | | WEIGHT OF FLYWHEEL COMPLETE WITH CLUTCH. | 168.25 lbs.… | ||
| scan0299 | Listing parts received from various suppliers for specific experiments. | ||
| View original record | Mr Clark. from Order Office. Wd/Dnl/HP2719. 4244 2nd July.1919. X.3525 Please note that we have received from The Herbert Frood Co Ltd., 18 Discs N.66, stores sheet 161520 of 30/6/19., and 16 Discs… | ||
| scan0300 | Receipt of parts for experiments from various suppliers. | ||
| View original record | R.R. 235 B (200 T) (S.F. 153. 25-10-18) G. 2241. Handwritten: X.3575 H744 Mr Clark, from O.O. Wd/Dnl/HP4819. 4th August.1919. Please note that we have received from Messrs Vickers Limited., 6 Cross… | ||
| scan0301 | Notification about the receipt of a spring from Geo. Salter & Co. for an experiment. | ||
| View original record | R R 235 B (200 T) (S.F. 674. 22-5-19) G. 2376. X. 3525 X 4244 Mr Clark. from O.O. Wd/Dn2/HP71019. 7th Oct. 1919. Kindly note that we have received from Messrs Geo. Salter & Co., 1 Spring N.1596 for… | ||
| scan0302 | List of modifications and parts to be fitted to a chassis for a 10,000-mile endurance run. | ||
| View original record | X.3525. To DA. from EH. C.c. to RHC. EH3/LG19.11.19. RE CAR TO RUN 10,000 MILES. Below is a list of the parts we desire fitting to the chassis which is to run 10,000 miles. 1. Rear Shock Absorbers… | ||
| scan0303 | Extract regarding experiments with clutches for the 'Hawk' and 20 HP 'Goshawk' chassis using ferodo linings. | ||
| View original record | X.3525 X4244 Extract from R7/G17.4.20. X.3481. X.3786. RE 20 H.P. CHASSIS ("GOSHAWK"). X.3525. X.3408. We shall be anxiously awaiting the result of the experiments with clutches, both belonging to the… | ||
| scan0304 | Design considerations and requested modifications for various vehicle parts. | ||
| View original record | X.3525 X4244 -7- To Hs. Da, & By. E1/G18.5.20. Contd. Clutch - Pressure Member. X.3525. This piece, owing to its deep recesses, was not considered by Mr. Royce to be practical as a stamping, and he… | ||
| scan0305 | Listing the receipt of various parts from external suppliers. | ||
| View original record | X 3525 x/o44 Mr. Clark. from O.O. Wd/Dn3/HP6.9.20. X.3572. From Mr. R.H. Burman, 3 each Oil Indicator Floats N.2010/1 made in copper.Stores sheet 192742 of the 2nd. inst. X.3525! From Messrs. Ferodo… | ||
| scan0306 | Testing materials for disc clutches, specifically Ferodo fabrics. | ||
| View original record | R.R. 285A (100 T) (S.H 159. 11-8-20) G. 2800 X3525 (crossed out) X4044 To R. from Hs. c. to CK. c. to Bn. c. to E. c. to Da. c. to By. Hs4/LG23.11.20. X.3525. RE MATERIALS FOR DISC CLUTCHES. We are… | ||
| scan0307 | Test report on the Goshawk I vehicle (X3481) detailing performance characteristics and issues. | ||
| View original record | Contd. Goshawk I - X3481 Hs/TMW/LGS.1.21. The side brake is excellent; it pulls the car up most efficiently without any tendency to jagger or sway. RADIATOR AND WATER SYSTEM. X.3531. Size of radiator… | ||
| scan0308 | Continued road test report discussing the engine, steering, and general impressions of the X.3516 vehicle. | ||
| View original record | X3516 Contd. -3- Hs/TMW1/LG8.1.21. After this short period, however, the engine is the softest I, personally, have ever driven, in fact at the light cruising speeds around 30 M.P.H. it is almost… | ||
| scan0309 | Vibrations and gearbox performance of the 'GOSHAWK' chassis. | ||
| View original record | X.3525 XL=44 To R. from Hs/TMW. Extract from Hs/TMWl/LG8.1.21. X.3481. RE "GOSHAWK" CHASSIS. VIBRATIONS. X.3501. X.3525. A very puzzling period of vibrations is passed through in each gear at about 8… | ||
| scan0310 | Technical report discussing improvements for the clutch, axle, and suspension systems. | ||
| View original record | X 4244 Contd. -2- X 3481 Extract R4/G12.1.21. expensively arranged to be silent, and to remain so, ample bearings and no diaphragms, so that it should be rigid and dead. Change gear boxes for other… | ||
| scan0311 | Design considerations and issues for brakes, radiator, clutch, and springing on the 'Goshawk II' chassis. | ||
| View original record | Contd. -3- X.3525 X.3481 Extract R4/G12.1.21. (7) BRAKES. X.3603/5/6. X.3568. X.4257. The squealing of the brakes is the make-up in the Ferodo linings. Prove this by fitting material such as Raybestos… | ||
| scan0312 | Proposed designs for the Goshawk I clutch and brake pedal gear. | ||
| View original record | To & from DA. Copy to DR. Copy to EFC. X 3594 X 42HH RECEIVED EFC 12 FEB RE GOSHAWK I - CLUTCH & BRAKE PEDAL GEAR. We send herewith a print of "N" Scheme 751 shewing the proposed pedals made out of… | ||
| scan0313 | Deflection of Goshawk I foot pedals and proposing design improvements. | ||
| View original record | DAL2/CB10-2-21. Contd. We have ascertained that in the existing pedals on Goshawk 1 practically all the deflection occurs in the shank of the long foot pedals. They are, of course, in aluminium… | ||
| scan0314 | Recommendation to add a pocket with a detachable cover to the flywheel casing to prevent damage from dropped parts. | ||
| View original record | Flywheel casing. X4244 HS 3/294 8.21 At present, if any small nut or screw is dropped through the Inspection Cover above the clutch, it falls down and the lowest point is the gear ring on the… | ||
| scan0315 | 150-mile road test of the Goshawk 11 chassis, detailing noise issues and planned modifications. | ||
| View original record | R.R.586a (100 T) (S.H. 159. 11-8-20) (G). P800. To R. from Hs. c. to CJ. c. to E. c. to Da. c. to EY. c. to EP. c. to Wor. X4244 COPY. Hsl/LGS.9.21. X.4219 - GOSHAWK 11. We have run Goshawk 11.… | ||
| scan0316 | Technical report on crankshaft periods, damper friction and clutch problems. | ||
| View original record | Contd. -2- This will avoid us holding up the chassis for quietening the axle. The 14½ angle gears are also in hand. There is nothing in the noise which we consider cannot be overcome without any… | ||
| scan0317 | Fabric-based clutch designs, comparing a Mack Truck clutch to English Leyland clutches. | ||
| View original record | Contd:- -3- hsl/LG5.9.21. ----------- In U.S.A. I was shown a clutch on a Mack Truck (which has a similar reputation to the "Leyland" in England), they claim that they obtain very much better results… | ||
| scan0318 | Extract detailing a persistent clutch shudder issue on a 20-HP model, despite modifications to the driving plate. | ||
| View original record | X.4244 Extract from Hs3/LG5.10.21. CLUTCH. X.4244 20-HP. Machining radial slots in the clutch appears to have overcome the trouble of the driving plate buckling. The clutch, however, still has the… | ||
| scan0319 | Extract of design considerations for a small chassis regarding pumps, starter, governor, and clutch. | ||
| View original record | R.R. 255a (100 T) S.H. 89. 22-7-20) G 2769 X4244 To CJ. from R. Extract from R4/G17.11.20. X.4219. RE SMALL R.R. CHASSIS. X.4231/2. Oil Pump, dynamo and water pump driven from camshaft or camshaft… | ||
| scan0320 | Outlining modifications to the small R.R. chassis specification regarding the clutch, gearbox, and couplings. | ||
| View original record | X.4244 R5/G23.11.20. To CJ. from R. Copy to EAC. " " BJ. " " Wor. " " PN. " " C. " " Da. " " Hs. " " By. " " EP. X.4219. RE SMALL R.R.CHASSIS. X.4244 We have made certain slight modifications to the… | ||
| scan0321 | Dispatch of a blueprint for a revised 'Goshawk' clutch, drawing Lec.1319. | ||
| View original record | X4244 To Da. from E. c. to CJ. c. to Wor. c. to By. c. to Hs. c. to ERC. E5/G4:12.20. X.4244. RE REVISED "GOSHAWK" CLUTCH. Herewith please receive blue print of drawing Lec.1319 shewing revised… | ||
| scan0322 | Adaptation of a Goshawk gearbox and single plate clutch, awaiting further drawings. | ||
| View original record | To R from DA. Copy to BN. Copy to EFC. X.4244 DA22/CB8-12-20. X.4244 RE "KITS". ----------------- We had gone on with the single plate clutch and the adaptation of the Goshawk gear box to suit being… | ||
| scan0323 | 'KITE' gearbox and clutch, comparing different versions and noting necessary adjustments. | ||
| View original record | X4244 To Da. from R. c. to CJ. c. to Hs. c. to By. c. to EFC. R7/G14.12.20. X.4247. X.4244. RE "KITE" GEARBOX AND CLUTCH. We are sending you a gearbox attached to the clutch. We think the one you have… | ||
| scan0324 | Potential material error for the Goshawk II clutch pressure plate. | ||
| View original record | To DA. from R. Copy to C.J. " " HOR. " " HS. " " SY. " " EPE. X4244 RE "GOSHAWK II" - CLUTCH. With reference to the clutch for "Goshawk II", we believe that an error has arisen that the pressure plate… | ||
| scan0325 | Brinell hardness specification and manufacturing process for the Goshawk 11 clutch plate. | ||
| View original record | Ms. from EY. C. Ws. C. Mr D'Aeth. C. Hs. C. Mr Broome. X4244 EY5-P18.5.21. X4244 GOSHAWK 11 - CLUTCH. Referring to Clutch Plate G.50218, I think the Brinell figure which will give sufficient… | ||
| scan0326 | Coefficient of friction and performance issues of graphite-impregnated Ferobestos used in the Goshawk 11 clutch. | ||
| View original record | R.R. 199 (250T) (SD676 19-7-17) MP180865 X 4244 COPY. FO 1 RECEIVED AUG 24 BY/P23.8.21. WD. from BY. C. Hs. X.3409 X4244 GOSHAWK 11. CLUTCH. RE GRAPHITE IMPREGNATED FEROBESTOS USED IN ABOVE CLUTCH.… | ||
| scan0327 | Increasing clutch spring pressure to prevent slippage and requesting views on the resulting pressure on the disc material. | ||
| View original record | R.R. 225B (100 T.) S.H. 89. 22-7-20) G. 2769 BY3-P23.8.21. contd. - 2 - d/- We have actually increased the spring pressure to a total of 960 lbs, without absolutely stopping the clutch from slipping.… | ||
| scan0328 | Co-efficient of friction for Ferobestos clutch material with and without graphite for the Goshawk 11 flywheel clutch. | ||
| View original record | R.R. 199 (250T) (SD676 19-7-17) MP18086S X4244 FC RECEIVED AUG 24 BY1-P24.8.21. Hs. from HY. X4244 X3409 GOSHAWK 11. FLYWHEEL CLUTCH. Referring to the question of the co-efficient of friction suitable… | ||
| scan0329 | Solutions for clutch plate warping in the Goshawk 11 engine. | ||
| View original record | To Hs. from R. c. to CJ. c. to WGr. c. to BY. c. to Da. X42-44 R2/G7.9.21. X.3407 RE GOSHAWK 11. CLUTCH. X.3409. X.4244 The warping of the plate is quite in accordance with what we anticipated, but we… | ||
| scan0330 | Ideas for cast iron wheels with curved spokes and single plate clutches. | ||
| View original record | cntd:- -2- R2/G7.9.21. idea as the use of curved spokes in a cast iron wheel. The rim could get hot and expand without bulging. So that you have six schemes to try, some of which should shew… | ||
| scan0331 | Chassis improvements, specifically an over-running clutch disengagement issue and a new clutch plate design. | ||
| View original record | Hs. from R. c. to CJ. c. to Wor. c. to BJ. c. to PN. R5/G14.9.21. GOSHAWK 11. X.4219. X.4244 With reference to Goshawk 11. I am extremely pleased and surprised with the number of features on this… | ||
| scan0332 | Clutch design, comparing single and multi-plate options and material choices. | ||
| View original record | contd:- -2- R5/G14.9.21. using many plates, that we may find it work like a charm. Speaking generally the clutch promises well but for this slight defect of the plate warping through unequal heating… | ||
| scan0333 | The materials used when refitting Ford clutches and re-actance brakes to avoid transmission damage. | ||
| View original record | contd:- -3- R5/G14.9.21. refitting Fords have to avoid the use of any harsh material in their clutches or re-actance brake for fear of wrecking the transmission. R. R.R. 235B (100) (T) (S.H. 798.… | ||
| scan0334 | Drawing No. LeC.1446 showing five schemes for the Goshawk 11 clutch plate. | ||
| View original record | To Da. from E. c. to CJ. c. to Wor. c. to Hs. c. to BY. X4244 E1/G15.9.21. X.4244 - RE GOSHAWK 11. CLUTCH. We send herewith drawing No. LeC.1446 shewing five schemes for dealing with the Goshawk 11.… | ||
| scan0335 | Material change for the Goshawk II flywheel from mild steel to cast iron. | ||
| View original record | X4244 Hs. from BY. c. Mr Shelton. c. Ms. GOSHAWK II. FLYWHEEL & CLUTCH. E.50005. RECEIVED FO -BYY-P20.9.31. You will remember that originally the flywheel was specified as mild steel, but later when… | ||
| scan0336 | Instruction from Mr. Royce to use a forged flywheel over a cast iron one for the Goshawk II engine. | ||
| View original record | BY. from Hs. X4244 Hs4/LG20.9.21. GOSHAWK 11. FLYWHEEL & CLUTCH. X 424H The last instruction I heard from Mr. Royce on this matter was that the flywheel should be made from a forging. This was decided… | ||
| scan0337 | Use of cast iron versus steel for the Goshawk 11 flywheel and clutch back piece. | ||
| View original record | Hs. from BY. C: Mr D Ac on. [redacted] C. C.PT. [redacted] X4244 RECEIVED BY9-P31.10.21. GOSHAWK 11. FLYWHEEL & CLUTCH. G.50339. With reference to the back piece bolted into the flywheel which takes… | ||
| scan0338 | Shuddering issue with the Goshawk 11 clutch and specifications for replacement Ferodo linings. | ||
| View original record | Wd. from Hs. c. to BY. [strikethrough]X3409[/strikethrough] X4244 Hs1/LG7.10.21. GOSHAWK 11. CLUTCH. With reference to the letter from Messrs. Ferodo dated 5th.inst. We would prefer the Ferodo Bonded… | ||
| scan0339 | Testing of Ferodo bonded asbestos clutch linings for the Goshawk II project. | ||
| View original record | Hs. C to DY X4244 Wd/Dn2/HP121021. 12th Oct.1921. GOSHAWK II - CLUTCH. X4244 We attach copy of a letter received this day from Messrs. Ferodo Limited. regarding the Ferodo Bonded Asbestos Linings… | ||
| scan0340 | Letter from Ferodo Limited regarding the supply of Goshawk 11 Clutch Discs and a discussion on clutch shudder. | ||
| View original record | R.R. 199(230T) (SD676 19-7-17) MP180865 COPY OF LETTER FROM:- FERODO LIMITED. SOVEREIGN MILLS, CHAPEL-EN-LE-FRITH. SALES DEPT. REF. FJF/DHL. 11th October, 1921. (Tuesday) Messrs. Rolls-Royce Ltd.,… | ||
| scan0341 | Extract discussing clutch shudder issues on low gear and reverse, its potential causes and solutions. | ||
| View original record | X.4244 17.10.21 Extract from R9/G17.10.21 X.4219. CLUTCH. X.4244. Referring to the clutch, we fear you will have great difficulty in getting rid of the shudder reports on the low gear and the reverse.… | ||
| scan0342 | From Royce detailing suggestions by Hives to address engine roar and improve the chassis. | ||
| View original record | ROYCAR DERBY. FROM CHICHESTER. X4244 3.11.21. X.4226 X.4244 X.4227 X.4329 HIVES SUGGEST RECORD SPEED ROAR COMMENCES THEN INCREASE STRENGTH VALVE SPRINGS POSSIBLY VALVE CLOSING UNSTEADILY DOUBLE PORTS… | ||
| scan0343 | Drawings for an improved type of clutch thrust bearing for the Goshawk 11. | ||
| View original record | To Da. from E. c. to CJ. c. to Wor. c. to BY. c. to Hs. X4244 E2/G18.11.21. X.4244 - GOSHAWK 11 - CLUTCH - IMPROVED TYPE OF THRUST BEARING. We send you herewith drawing Nos. LeC.1489/90 shewing the… | ||
| scan0344 | Extract from a report detailing experiments on clutches, comparing a standard clutch with Ferodo bonded asbestos against Ferobestos. | ||
| View original record | X4244 Extract from Hsl/LG12.1.22. X.4219 Contd:- -2- Hsl/LG12.1.22. ******************** CLUTCH. We have tried some of the experiments instructed for the clutch. We have not found anything better than… | ||
| scan0345 | The standard clutch spring for the Goshawk 11 engine. | ||
| View original record | BY. from Hs. X4244 Hs3/LG9.3.22. GOSHAWK 11. CLUTCH SPRING. The clutch spring we are using and which we recommend as standard for Goshawk 11. is G.50467. Hs. MADE AT CROXLEY | ||
| scan0346 | Double spring scheme for the Goshawk clutch, referencing drawing No.LeC.1564. | ||
| View original record | X.4244 To Da. from E. c. to CJ. Wor. c. to BY. Hs. E1/M3.5.22. DOUBLE SPRING SCHEME FOR GOSHAWK CLUTCH. X.4244. We send herewith drawing No.LeC.1564 shewing the above. These springs give 120 lbs. in… | ||
| scan0347 | The performance of newly fitted clutch springs for the GOSHAWK TWO. | ||
| View original record | V4244 Bk5/DN/11.5.22. S/W. Hs. 3 GOSHAWK TWO. Thank you for the new clutch springs, which have now been fitted. They have cured the slipping under ordinary conditions but if the clutch is abused… | ||
| scan0348 | Approving a blueprint for a Goshawk clutch spring and requesting three samples. | ||
| View original record | X.4244. To BY. from E. c. to CJ. Wor. c. to ns. EP. E1/M30.5.22. GOSHAWK CLUTCH X.4244. We duly received blue print of G.50468 shewing clutch spring of 120 lbs. load. Kindly note Mr. Royce considers… | ||
| scan0349 | Note confirming the dispatch of clutch springs and caps for the Goshawk car. | ||
| View original record | Y4244 Bk15/DN/1.6.22. S/W. Hs. RE GOSHAWK. We have received your wire calling for the clutch springs and caps off above car. These have been sent per post this afternoon, addressed to you at "W" Bk.… | ||
| scan0350 | Delay in supplying Goshawk II clutch springs due to a lockout. | ||
| View original record | X4244 BY/Mtn8/H. 7. 6. 22. E. c. Hs. GOSHAWK II. CLUTCH. ----------------- Referring to your memo E1/Ms/30. 5. 22. in which you ask us to send you three springs G.50468, kindly note we shall not be… | ||
| scan0351 | With a sketch, inquiring about the incorporation of a centering bush in the Goshawk clutch. | ||
| View original record | X.4244. To Hs. from St.(for R.) St1/M12.7.22. GOSHAWK CLUTCH. X.4244. We understand that in these clutches originally the centering bush indicated in sketch below was left out until Mr. Elliott… | ||
| scan0352 | Modifications and cost-saving improvements to the Goshawk clutch mechanism. | ||
| View original record | To BY. from R. c. to CJ. Wor. c. to Hs. EP. X.4244 R8/M19.7.22. GOSHAWK CLUTCH. X.4244. Referring to section 8 of R2/M15.7.22., dealing with the above unit, we now send herewith drawing No. LeC.1607 -… | ||
| scan0353 | Two points for an instruction book regarding clutch adjustment and oiling. | ||
| View original record | -2- Drawing F.50074 shews a clutch pedal pull-off spring. Please note that we no longer require this. There are two points which should be brought to the notice of those responsible for the… | ||
| scan0354 | Modifications to the Goshawk Clutch Mechanism and associated blueprints. | ||
| View original record | X4244 FC RECEIVED JUL 21 1922 Mr D'Aeth from BY. c. Hs. BY7-P21.7.22. GOSHAWK CLUTCH I am sending you herewith copy of R8/M19722, shewing modifications to the Clutch Mechanism, also blueprint from… | ||
| scan0355 | Modifications to riveting Ferodo fabric on Goshawk II clutch plates. | ||
| View original record | X4244 BY2/H. 10. 8. 22. Mr. D'Aeth. cft. Hs. Mr. Vale. Mr. Brock. GOSHAWK II, RE FERODO FABRIC FOR CLUTCH PLATES. Will you kindly note that we should at once arrange to take out the wire connecting… | ||
| scan0356 | Recommendation to fit production chassis with a longer clutch lever to reduce the pressure required. | ||
| View original record | To Hs. and BY. from R. X4244 R3/M16.9.22. RE. CLUTCH PEDAL. X.4244. X.4267. I recommend and understand that the production chassis are going to be fitted with a ½" longer lever that will reduce the… | ||
| scan0357 | Specification sheet detailing the weights of the 40/50 and Goshawk clutch and flywheel components. | ||
| View original record | X4244 DETAILS OF 40/50 CLUTCH AND FLYWHEEL WEIGHTS. Wt. of Crankshaft member. 50 lbs. " " Flywheel Member 43 lbs. " " lined Alum. Member 13 lbs. Approx. radius of gyration 6.5". DETAILS OF GOSHAWK… | ||
| scan0358 | Query regarding the wear rate of Goshawk 11 clutches and the results of destruction testing on various Ferodo fabrics. | ||
| View original record | To Hs. from E. X4244 E4/M28.2.23. RE. CLUTCHES. X.4244. X.3409 Could you kindly say what is the average rate of measured wear on Goshawk 11. clutches say per 10,000 miles? Referring to the Ferodo… | ||
| scan0359 | Wear rate and coefficient of friction of Ferodo clutch material used in a Goshawk Clutch. | ||
| View original record | To E. from Hs. X4244 Hs2/LG1.3.23. CLUTCH MATERIAL. X3409 X4244 The rate of wear on a Goshawk Clutch used under normal conditions is practically nil. We measured one clutch, which after the first… | ||
| scan0360 | Engine vibration issues caused by the slipper drive on 40/50 and 20 HP chassis, proposing improved surface finishing. | ||
| View original record | X.4244 BY. c. to Hs. c. to Sft. EP4/H9.4.23. RE. SLIPPER DRIVE FOR 40/50 AND 20 HP. CHASSIS. X.3439 X.4244. After investigating engine vibrations and making comparisons between different engines which… | ||
| scan0361 | Requesting a print of drawing No. Lec. 1751 for the Goshawk side change gearbox casing. | ||
| View original record | X4244 To BY. from E. c/c to CJ. Hs. E1/M25.8.23. GOSHAWK - SIDE CHANGE GEARBOX CASING. X.4244 X.4247. We send herewith drawing No.Lec.1751 shewing the above. We should be glad to receive a print as… | ||
| scan0362 | Drawing for an improved outside lever on a Goshawk clutch operating shaft. | ||
| View original record | 4244 To BY. from E. c. to CJ. c. to Hs. c. to EP. E3/M30.8.23. IMPROVED TYPE OF OUTSIDE LEVER ON GOSHAWK.11.X.4247 CLUTCH OPERATING SHAFT. X.4244 We send you herewith drawing No.LeC.1755 shewing the… | ||
| scan0363 | The improved Goshawk 11 clutch operating gear to suit a side change gearbox, referencing drawing No. LeC.1754. | ||
| View original record | X4244 To BY. from E c. to CJ. c. to Hs. c. to EP. E1/M30.9.23. IMPROVED GOSHAWK 11. CLUTCH OPERATING GEAR TO SUIT SIDE CHANGE GEARBOX. X.4244 X.4247 We send you herewith drawing No.LeC.1754 shewing… | ||
| scan0364 | Test report on the performance of sample fibre washers for 20-HP Slipper Drives. | ||
| View original record | X4244 BY (struck through) c. Hs. EP1/H21.12.23. re. 20-HP Slipper Drives. Samples of fibre washers were supplied to me a short time ago, with a request that I should test and report to you. We have… | ||
| scan0365 | Alternative friction materials for slipper flywheels on 20 HP cars, recommending bakelized linen. | ||
| View original record | R.R. 493A (40 H) (SL 43 12-7-23). J.H., D. EXPERIMENTAL REPORT. Expl. No. 3409 4244 REF: Hs1/LG4 1.24. To R. from Hs. c. to CJ. c. to RG. c. to E. c. to DA. c. to BY. FRICTION MATERIAL FOR SLIPPER… | ||
| scan0366 | Comparison of the moment of inertia between the E.A.C. and Goshawk clutch plates. | ||
| View original record | RATIO OF THE MOMENT OF INERTIA OF E.A.C. & GOSHAWK CLUTCH PLATES. Y4244 Y9480 E.A.C. CLUTCH PLATE. SECTION Dimensions: .20 .06 .075 .20 2.075 RAD 2.67 RAD 4.87 RAD 7.00 RAD AXIS GOSHAWK CLUTCH PLATE.… | ||
| scan0367 | Ongoing complaints of the 20-HP Slipper Drive seizing up, and a proposal to standardize a new washer material. | ||
| View original record | V4244 RV [redacted] c. Hs. EP11/H.S.2.24. re. 20-HP Slipper Drive Seizing Up. Further to our memos re 20-HP complaints, Point No. 49, we still continue to receive complaints of engines developing bad… | ||
| scan0368 | Standardisation of friction discs for the slipper wheel, replacing fibre with dilecto or bakelized linen. | ||
| View original record | R.R. 755 (10H) (SL 72 18-7-23) MP 274954s. 4244 COMPLETED 4.3.24. STANDARDISATION of CHASSIS PARTS. Description of Parts. FRICTION DISCS FOR SLIPPER WHEEL. Origin: To avoid using fibre. Experimental… | ||
| scan0369 | Secret memorandum discussing potential improvements and alternative designs for the EAC's clutch. | ||
| View original record | 4244 To HS. ST. RG. } E. DA. } SECRET. R7/M4.3.24. CLUTCH FOR EAC'S. c. to CJ.Wor.PN.BY. X.9480 X.4244 X.9680 X.4214 Some slight improvements are needed in this before we can turn it over for… | ||
| scan0370 | Different methods for making a clutch brake, aiming to be as effective as a Hispano. | ||
| View original record | contd:- -2- I have gone over many ways of making a clutch brake but most of the simple ones leave the running shaft with end pressure by the spring. If my suggestions here given are not good or… | ||
| scan0371 | Complaints about 20-HP Slipper Drives and the proposal to replace fibre washers with Continental Bakelite discs. | ||
| View original record | DY. c. Hs. Y4244 EP19/H27.3.24. re. 20-HP. Slipper Drives. As discussed with you this morning, we still continue to receive complaints of engines developing unsatisfactory after the chassis is… | ||
| scan0372 | 20-HP clutch failure, discussing continued slipping, damaged fabric material, and a cracked rotor. | ||
| View original record | Hs. X4244 EP21/H7.5.24. re. 20-HP Clutch Failure. (Mr. Hyde. Chassis No. 48-G-2). We have had one or two cases of complaint of clutches slipping in which we consider the trouble has been due to faulty… | ||
| scan0373 | Analysis of clutch plate cracking and failure on the 20 HP model, chassis 48-G-2, due to slipping. | ||
| View original record | X.4244 H.S. BY25/H. 9. 5. 24. 20 HP. CLUTCH. CHASSIS 48-G-2. HYDE. In my opinion the sole cause of the clutch cracking and failing from the point of view of the driving disc having this fault, is the… | ||
| scan0374 | Clutch problems on a 20-HP car, specifically a twisted driving shaft and a cracked hub for customer Rothermere. | ||
| View original record | X 4294 c. Hs. EP6/H26.6.24. re. 20-HP Clutch Troubles. 62-H-3. Rothermere. Br. telephoned us the other day pointing out that the above car had been in with the clutch not working satisfactorily, and… | ||
| scan0375 | Calculating the moment of inertia and radius of gyration for the Goshawk flywheel and clutch using the 'Bifilar Suspension' method. | ||
| View original record | R.R. 493A (50m) (D.B. 175 25-9-24) J.H.D. EXPERIMENTAL REPORT. Expl. No. REF: Hs/ACL/LG19.12.24. Handwritten: X4244 MOMENT OF INERTIA OF GOSHAWK FLYWHEEL AND CLUTCH. Handwritten: X5300 The moment of… | ||
| scan0376 | Modifications to the slipper drive on the 20 HP chassis to address load issues. | ||
| View original record | HWH BY6/H. 14.12.25. c. MX. c. Hs. c. BY/so. SLIPPER DRIVE. As all the 20 HP. chassis suffer from apparent increase of load on the slipper wheel after the engine has been running, the increase in… | ||
| scan0377 | Proposal regarding the fitting of springs to a slipper wheel to maintain its appearance. | ||
| View original record | - 2 - BY6/H. 14.12.25. -------------- In order to keep the appearance of the slipper wheel as it is at present, and will be finally when we have the full set of lighter springs, I propose that we… | ||
| scan0378 | Using up existing clutch material for R.R. of America Inc. and despatching hydraulic shock absorbers. | ||
| View original record | To B.J. from Hs. c. to WOR. X4244 Hs4/LG19.10.26. R.R. of America Inc. - Clutch. 48300 Replying to BJ3/E18.10.26. When we introduced the lightened clutch on the Phantom cars at Derby, no scrap was… | ||
| scan0379 | Humphrey Sandburg clutch, a freewheel device, and the company's experience with it. | ||
| View original record | To CWB. from Hs. c. to FN. X4246 Hs2/LG17.1.27. RE: HUMPHREY SANDBURG CLUTCH. X200 With reference to CWB7/GM15.1.27. In effect, this clutch is a free-wheel device. The effect of a free-wheel, on… | ||