Rolls-Royce Archives
| Identifier | Entry | ||
| Scan001 | Outlining tests for footbrake linings using combinations of Ferodo and cast iron. | ||
| View original record | COPY. Mr Wormald TBB7/H20912. RECEIVED 23 SEP 1912 Westwood, Crowborough, Sussex. 20th Sept. 1912. Mr Johnson & T.C. Re Footbrake - Ferodo Lining. With reference to the suggested test of Ferodo for… | ||
| Scan002 | The performance of a Ferodo lined foot-brake, noting issues with smell, smoke, and adjustments. | ||
| View original record | MR BARRINGTON X719 4.10.12 2500 RE FORODO LINED FOOT-BRAKE. Hives reports as follows:- "The brake is silent and smooth in action, but the wheels can be locked quite as easily as with the cast iron… | ||
| Scan003 | Test report on Ferodo lined foot-brake shoes, detailing performance, issues and solutions. | ||
| View original record | R.R. 438 (24 v) (L.L. 255. 10.6.12) E.P. 1997. ROLLS-ROYCE LIMITED. INSTRUCTIONS. To: Mr Barrington Customer's No.: WR Writte Scribbles in top right: for brake, KRR / 26-12-19, 12-11-12 (crossed out)… | ||
| Scan004 | Testing Ferodo brake linings, noting that while they last longer than cast iron, they cause the brake drums to go out of true. | ||
| View original record | ROLLS-ROYCE LIMITED. INSTRUCTIONS. To Order No. 11 Customer's No. 19 than the cast iron. Herewith is a piece of new material one of the old liners off 2100E after 1377 miles, this is including twice… | ||
| Scan005 | Instructions discussing overheating issues with Ferodo brake material and a proposal to test a new compressed material to improve silence and smoothness. | ||
| View original record | ROLLS-ROYCE LIMITED. INSTRUCTIONS. 19 To Order No. III Customer's No. generated, all goes into the drum, due to the insulating nature of Ferodo, the brake drums are blue nearly to the flange on the… | ||
| Scan006 | The wear of Ferodo footbrake lining from chassis 2100E after road testing. | ||
| View original record | 2 7/9 Re Ferodo Lining to Footbrake. Mr Royce 11-12-12 TBB11/L111212 I am sending you today under separate cover the piece of Ferodo lining from the footbrake of chassis 2100E, together with a piece… | ||
| Scan007 | Page from a document, numbered 2, stating 'rather an important point.'. | ||
| View original record | -2- rather an important point. B | ||
| Scan008 | The urged delivery of Ferodo brake liners and the subsequent reply explaining the delay. | ||
| View original record | R.R. 657. (100H) (VV.975. 1-5-14) E.P. 6536. ROLLS-ROYCE LIMITED, NIGHTINGALE ROAD, DERBY. TELEGRAMS: "ROYCAR," DERBY. TELEPHONES: 476 (Four Lines). Wor/cr4/L30614. Names and indicating letter.… | ||
| Scan009 | Harsh footbrake on Mrs Joicey's car (2181) and a suggestion to use Feroda lining. | ||
| View original record | R.R. 657. (100H.) (V.V. 975. 1.5.14) E.P. 6536. ROLLS-ROYCE LIMITED, NIGHTINGALE ROAD, DERBY. TELEGRAMS: "ROYCAR," DERBY. TELEPHONES: 476 (Four Lines). Names and Indicating letter. | Initial of person… | ||
| Scan010 | The performance of 5% lead bronze rear foot brake liners, detailing issues with noise and power at different speeds. | ||
| View original record | From Exp. Dept. Copies for: J. By. No. Wor/Hy12/L2714. July 2nd. 1914. REPORT ON REAR FOOT BRAKES. The 5% lead bronze liners fitted to 58NA do not seem to have given entire satisfaction. Warwick says… | ||
| Scan011 | Solutions for overheating rear brake drums and proposing trials of new materials and designs. | ||
| View original record | Wer/Hy12/L2714. Sheet. 2 Another way out of the trouble may be by the use of die pressed Ferodo. We have some on order and as soon as it is obtained we will immediately make tests with it. It is being… | ||
| Scan012 | Instructions for fitting Ferodo brake liners to straps by piercing holes instead of drilling. | ||
| View original record | R.R. 300 (6 u) (VV. 577. 20.2.14) E.P. 6065. ROLLS-ROYCE LIMITED. INSTRUCTIONS. 21313 RECEIVED 3 JUL 1914 To: O.O Order No. Customer's No. X719 Re: Ferodo on footbrake Kindly instruct experimental… | ||
| Scan013 | Testing die-pressed Ferodo brake material on rear foot brakes, comparing its heat expansion properties to cast iron and bronze shoes. | ||
| View original record | From Exp. Dept. Copies to :- J. R. By. Hs. Wor/Hy5/B10714. July 10th. 1914 Report on Rear Foot Brakes. We have received the die pressed Ferodo and have tried it on a car. It is very quiet in working… | ||
| Scan014 | Brake drum contraction, cooling efficiency, and potential improvements using Ferodo material. | ||
| View original record | A. 235A. (150 H) (W.W. 276. 12-5-14) G. 0547. Wor/HyS/BLC714. 2. The drums quickly contract however on releasing the brake and after running about a mile the clearance is normal again. I am now… | ||
| Scan015 | Telegram from Royce regarding modifications and tests for radiators, suspension, and brakes. | ||
| View original record | R.R. 235a (150 H) (W.W. 438. 17-6-14) G. 0630. COPY. TELEGRAM. Rec 14.7.14 Wire received from St. Margarets at Cliffe. 3-10. Re radiators latest sphere undertype appear far superior suspension… | ||
| Scan016 | Instruction sheet regarding issues with die-pressed Ferodo brake material and a request to order higher quality replacements. | ||
| View original record | C O P Y. Mr Bailey's Instruction Sheet 21357 15-7-14. X.2 & X.719 Double Brakes Ferodo die pressed Re using ferodo standard width. Will you kindly order up some more ferodo enough for 3 sets more I… | ||
| Scan017 | Telegram from Mr. Royce regarding the comparative testing of Ferodo brake linings. | ||
| View original record | Copy sent to Hy. By. Ha. 20.7.14 Copy of telegram from Mr Royce dated 20/7/14. FERODO APPEARS EXCELLENT MAKE EXHAUSTIVE COMPARISONS WITH CAST ~~STEEL~~ (IRON?) LINERS AND WITH STANDARD CENTRAL BRAKE… | ||
| Scan018 | Results of testing Ferodo brake linings, detailing issues with overheating and noise. | ||
| View original record | 100A (150 II) (W.W. 529. 5-7-14) G. 6870. COPY. To By. from R. Copy to J. Copy to Na. Copy to Wor. R10/P 21. 7. 14. x719 Brakes. I have today (20.7.14) tested the ferodo lining on the brakes. This… | ||
| Scan019 | Brake performance, comparing 'ferodo' linings with cast iron, and proposing improvements for overheating issues. | ||
| View original record | R.R. 25M (150 H) W.W. 829. 2-7-14) G. 0670. To By. from R. 2. Brakes. R10/P 21. 7. 14. out of action through the heat expanding the outer drum. If, however, the old brake, and also the cast iron… | ||
| Scan020 | Preference for Ferodo brake liners over cast iron liners. | ||
| View original record | To By. from R. 3. Brakes. ferodo liners better than the cast iron liners, which I much prefer at present on account of their maintained efficiency of holding the car when both hot and cold. R. | ||
| Scan021 | Quality of a sample of Ferodo brake material, with a handwritten reply. | ||
| View original record | [Typed Memo] X719 re Ferodo Brake 22.7.14. JR7/S22714. We received 16 pieces of this material yesterday. Will you please let me know if you consider the quality to be satisfactory or not. If you let… | ||
| Scan022 | Issues and proposed tests for foot brakes, comparing ferodo and cast iron liners. | ||
| View original record | R.H. 225a (150 H) (W.W. 529. 2-7-14) G. 0670. 24714 To Hy. from R. Copy to J. Copy to By. Copy to Wor. COPY. R15/P 22. 7. 14. x719 Foot Brakes. With reference to foot brake, although the ferodo liners… | ||
| Scan023 | Testing procedures and potential improvements for foot brakes, including water-cooling and Ferodo liners. | ||
| View original record | To Hy from R. Foot Brakes. a comparison to see how our central brake with ferodo liners would work, if water cooled on the inside of the rim. We might also try if the central brake were used on a… | ||
| Scan024 | Query regarding the suitability of 16 received Ferodo brake liners for standard brakes. | ||
| View original record | COPY. X719 re Ferodo Brake Liners. Wor. for Exp. Dept. Referring to my previous sheet JR/S22714 on this matter, will you please say if the 16 pieces received were suitable for lining standard brakes,… | ||
| Scan025 | Quality of Ferodo Brake Liners for experiments and future orders. | ||
| View original record | Wor/Mcrll/L23714. Re Ferodo Brake Liners. X.719 Na. 23-7-14. In reply to your memo JR7/S22714, please note that Mr Haldenby reports that the quality is satisfactory for our experiments, if we order… | ||
| Scan026 | Design of foot brakes, specifically regarding Ferodo liners, surface area, and cooling. | ||
| View original record | R.H. 255a (150 II) W.W. 529. 2-7-14) G. 0670. COPY. R7/P 24. 7. 14. To By. from R. Copy to J. Copy to Wor. Copy to Hy. 277/4 Foot Brakes. With reference to foot brakes, the ferodo liners do not appear… | ||
| Scan027 | Notes on rear brakes with air-cooled drums and die-pressed Ferodo liners for chassis 7.CA. | ||
| View original record | X.719 Extract from ARM.19807 / 25.7.14 in X682 Fitted to Chassis 7.CA. Rear Brakes with air-cooled Drums Cs. 4275. Die pressed Ferodo Liners. x 719. R | ||
| Scan028 | Telegram received by telephone concerning the preparation of trial cars with ferodo liners. | ||
| View original record | ROLLS-ROYCE, Limited. TELEGRAM RECEIVED BY TELEPHONE. X719 [STAMP: RECEIVED JUL 27 1914] Time Received 1 - 24 Date 25-7-14 To Royran Derby By mss from St Margarets Cliffe 12-49 Will you prepare many… | ||
| Scan029 | Telegram received by telephone from Royce with instructions to prepare duplicates and send suggestions by post. | ||
| View original record | R.R. 1441 B.) (WW. 341. 26.5.14) E.P. 6677. ROLLS-ROYCE, Limited. TELEGRAM RECEIVED BY TELEPHONE. Time Received Date To By from 2 for 58 H.A. prepare several duplicates other suggestions by post FROM… | ||
| Scan030 | Correspondence discussing foot brake tests, specifically addressing distortion caused by overheating when using different brake liners. | ||
| View original record | To Pd. from R. Copy to J. Copy to Wor for Hy.19714 Copy to By. Copy to NE. R4/P 27.7.14. COPY FOOT BRAKES. Wor/Mcr13/L22714. I thank you for your report on the Foot Brakes. I shall be glad if you will… | ||
| Scan031 | Internal instruction sheet requesting the urgent dispatch of air-cooled drums and an equalizing gear lever. | ||
| View original record | R.R. 300 (6 B) (VV. 903. 21.4.14) E.P. 6442. ROLLS-ROYCE LIMITED. RECEIVED 28 JUL 1914 24168 INSTRUCTIONS. UW 28-Jly-1914 To: O O Mr Matthew Order No.: Customer's No.: X719 Re: Mr Royce's Wire 25/7/14… | ||
| Scan032 | Experiments on double rear brakes, focusing on brake drums with cooling ribs. | ||
| View original record | Mer RE DOUBLE REAR BRAKE EXPERIMENTS. X.719 Brake Drums with Cooling Ribs. J. for R. 31.7.14. By1/G31714. These drums were ordered up by me for use with ferodo 6/7/14. They are the same width as… | ||
| Scan033 | Instructions to test C.I. (Cast Iron) and Ferodo materials for straps, prioritizing the Ferodo test. | ||
| View original record | J. for R. 31.7.14. By1/G31714. straps so that we can try C.I.or Ferodo or Ferodo and C.I. alternatively. I have at present instructed Works to push on with Ferodo and get this on test first. By.… | ||
| Scan034 | Urgent memo extract from Mr. Royce on the comparative testing of new air-cooled drums with Ferodo liners. | ||
| View original record | Wor/Mcrl/C11814. Ferodo Liners with Air Cooled Drums. X.719. By. 11-8-14. Na.c. The following is an extract from Mr Royce's memo R3/P 317.14. :- "This of course is very urgent. "The air cooled drums… | ||
| Scan035 | Test of a special footbrake with Ferodo liners, which performed well initially but failed under a simulated rough use Alpine Pass test. | ||
| View original record | R.R. 537. (100M.) (WW. 508. 1.7.14.) E.P. 6884. ROLLS-ROYCE LIMITED, NIGHTINGALE ROAD, DERBY. TELEGRAMS: "ROYCAR," DERBY. TELEPHONES: 476 (FOUR LINES). Names and Indicating letter. Initial of person… | ||
| Scan036 | Customer dissatisfaction with brakes and the proposal for wider brake drums as a solution. | ||
| View original record | ROLLS-ROYCE LIMITED, NIGHTINGALE ROAD, DERBY. TELEGRAMS: "ROYCAR," DERBY. TELEPHONES: 476 (Four Lines). Names and Indicating letter. A Mr. ADAMS By Mr. BAILEY Bn Mr. BARRINGTON B Mr. BEREND Bt Mr.… | ||
| Scan037 | The failure of Ferodo brakes under severe use and the recommendation to delay implementation. | ||
| View original record | Wor/Mcr7/L13814. RE FERODO BRAKES. J. 13-8-14. In reply to your memo CJ7/IW10814 re Mr Royce's suggestion that we should go ahead full speed on die pressed Ferodo wider Brake Drums etc., our opinion… | ||
| Scan038 | Delaying new brake production pending the results of experiments on wider brake drums. | ||
| View original record | Wor/Mcr7/L13814. -2- drums but are not the wider drums. It would therefore seem that we should not rush into the production of the new brakes until we have definitely proved that the wider brake drums… | ||
| Scan039 | Series of tests to determine the power absorption of various rear wheel foot brakes. | ||
| View original record | From Exp. Dept. Copies for: J. R. Ry. Ha. Wor/Hy9/L14814. August 14th.1914. REPORT ON REAR WHEEL FOOT BRAKES. We are carrying out a series of tests to obtain the amount of power which various kinds of… | ||
| Scan040 | Four brake tests, measuring performance and energy absorption due to brake drum expansion. | ||
| View original record | Wor/Hy9/114014. Sheet 2. After running on 4th gear 20 m.p.h. full throttle for 3 minutes 34 seconds the pedal was down on floorboard due to brake drum expansion. Energy absorbed 96 HP minutes. Test 2.… | ||
| Scan041 | Brake system tests, evaluating heat expansion and the performance of Ferodo brake material. | ||
| View original record | Wor/Hy9/L14814. Sheet. 3 jet of water running on to each brake drum, and with all four arrangements the test was satisfactory each one running for 15 minutes without failure. This proves that the… | ||
| Scan042 | The performance of Ferodo brake liners and ribbed brake drums under test conditions. | ||
| View original record | Wor/Mcr18/L14814. Re Ferodo Brake Liners & Ribbed Brake Drums. X.719 J. 14-8-14. R. We give below Mr Platford's report By. on the above brake contained in his memo Hy. EP9/W12814 :- re 58NA Ma. "As… | ||
| Scan043 | Cover letter for a report by Mr Haldenby regarding Ferodo brakes. | ||
| View original record | Wor/Mcr24/L14814. RE FERODO BRAKES. X.719 J. 14-8-14. R. We attach herewith a report from By. Mr Haldenby on the above. Na. p. Wor. Attached:- Wor/Hyd/L14814. R | ||
| Scan044 | Instructions for making a set of brake straps using Ferodo liners for a wide drum foot brake. | ||
| View original record | R.R. 300 (6 B) (V.V. 903. 21.4.14) E.P. 6442. 24214 ROLLS-ROYCE LIMITED. INSTRUCTIONS. To: OO Order No.: Customer's No.: X 719 X 1373 Re: Ferodo for foot brake (wide drum) Kindly instruct works to… | ||
| Scan045 | Tests conducted on rear wheel foot brakes, noting issues with heat, expansion, and permanent distortion. | ||
| View original record | From Exp. Dept. Copies for: J. R. Hy. Ha. REPORT ON REAR WHEEL FOOT BRAKES. We commenced to carry out a series of tests similar to those which I reported on under ref. Wor/Hy9/L14814 but using the… | ||
| Scan046 | Results of brake strap testing and comparing cast iron liners with Ferodo liners. | ||
| View original record | Wor/Hy9/L17814. Sheet. 2 Mr Bailey and I have discussed the matter and are of the opinion that the strenuous test we have made will never be equalled on the road, also that the cooling will be more… | ||
| Scan047 | Stationary brake tests and the performance of different heat insulating fabrics like Raybestos and Ferodo. | ||
| View original record | Wor/lly9/L17814. Sheet 3. Raybestos until we have evolved a brake which will work with Ferodo as the effects with all these heat insulating fabrics will be the same, the only point to be decided being… | ||
| Scan048 | Supply issues with Ferodo brake drums and the impracticality of modifying cars being sent to the Front. | ||
| View original record | Wor/Mor29/L18914. Re Ferodo Brakes. Na. 18-9-14. With reference to the correspondence that we showed to you this afternoon, copies of which we attach herewith, we have written to Mr Johnson pointing… | ||
| Scan049 | Instruction sheet with a dimensional drawing for the manufacture of 3 gross of aluminium rivets. | ||
| View original record | R.R 306(5 m) (V.V. 903. 21.4.14) E.P. 6442. 24222 ROLLS-ROYCE LIMITED. INSTRUCTIONS. To: Mr Mercer RECEIVED SEP 9 1914 19 -8- 1914 Order No. Customer's No. X719 Re: Rear Brake Ferodo UW Kindly… | ||
| Scan050 | Note about parts fitted to the rear brakes on chassis 7 C.A., specifically die-pressed Ferodo liners. | ||
| View original record | X 419 Extract from A&M. 19845/15914 in x 1373 The following parts have been fitted in connection with Rear Brakes on 7 C.A. Die pressed Ferodo Liners 2.000 wide | ||
| Scan051 | Instructions for rear brake modifications on Chassis 2300. | ||
| View original record | 28135. INSTRUCTIONS. 19th. November, 1914. Mr. Mercer. Chassis 2300. The Rear Brakes on this Car have been fitted with Aluminium Straps G. 4572 on Foot Brakes. and ¼" "Ferodo Liners" X. 1422 - X. 719.… | ||
| Scan052 | Report from Caswell regarding the lining of old type central footbrakes with 'Ferodo'. | ||
| View original record | R.R. 657. (100H) (WW.835. 13.10.14.) E.P. 7366. ROLLS-ROYCE LIMITED, NIGHTINGALE ROAD, DERBY. TELEGRAMS: "ROYCAR," DERBY. TELEPHONES: 476 (FOUR LINES). Names and Indicating letter. A Mr. ADAMS By Mr.… | ||
| Scan053 | Workshop activity, the use of 'Ferodo' brake linings, and radiator covers for cold weather. | ||
| View original record | COPY. Mr. A. Wormald. Nov.17.14. At time of writing we are slack but expect work in every day. We have still worked to do but are not at all hard pushed. ------------------ Several drivers have… | ||
| Scan054 | Car accident, an outstanding order for steering levers, and the arrival of a chassis for service. | ||
| View original record | R.R. 235a (150 H) (W. W. 927. 9-11-14) G. 0821. -2- A Ford car is always in sight in N.Y. They sometimes pass 5 or 6 at a time. Have just been informed on the 'phone that we shall have a car in in the… | ||
| Scan055 | Communicating a note from Mr. Royce expressing frustration over delays in fitting Ferodo Type Brakes. | ||
| View original record | ROLLS-ROYCE LIMITED, NIGHTINGALE ROAD, DERBY. TELEGRAMS: "ROYCAR," DERBY. TELEPHONES: 476 (FOUR LINES). R.R. 657. 1000B (WW.968. 17.11.14.) E.F. 7295. Names and Indicating letter. Initial of person… | ||
| Scan056 | Instructions and progress notes regarding the alteration and fitting of later type rear brake drums and straps. | ||
| View original record | R.R. 238 (24 B) TWW. 755. 15.9.14) E.P. 7218. ROLLS-ROYCE LIMITED. INSTRUCTIONS. To: Mr Wormald Order No. Customer's No. Re Later Type Rear Brake Drums & Straps Works inst for alteration to jigs on… | ||
| Scan057 | Delays in altering Ferodo type brakes due to material shortages caused by war demand. | ||
| View original record | Wor24/T221214. file DC719 Re - Ferodo Type Brakes. J. 22/12/14. R. With reference to Mr. Royce's suggestion that this alteration to brakes has hung fire far too long, I am entirely in agreement with… | ||
| Scan058 | Performance of 'Raybestos' brake linings and seeking an opinion on fitting them to customer cars. | ||
| View original record | OC 719 Mr.Wormald, MAR.1.15. Re Brakes lined with "Ferodo" etc. ------------------------- Mrs Carter's car No.1513 which we have in for repairs etc, has the foot brake lined with "Raybestos", put on… | ||
| Scan059 | The performance of 'Ferodo' lined rear foot brakes on chassis No 36.AB. | ||
| View original record | R.R. 235a (150 H) (W.W. 718. 26-8-14) G. 6752. Mr Wormald, 4/3/15. Re "Ferodo" lined rear foot brakes. ------------------- I tried Chassis No 36.AB. to day for the driver & immediately noticed the… | ||
| Scan060 | Relining of central brakes with Raybestos or Ferodo and providing instructions for brake usage. | ||
| View original record | ROLLS-ROYCE LIMITED, NIGHTINGALE ROAD, DERBY. TELEGRAMS: "ROYCAR," DERBY. TELEPHONES: 476 (Four Lines). Names and Indicating letter. Initial of person addressed. A Mr. ADAMS By Mr. BAILEY Bn Mr.… | ||
| Scan061 | On brake drum overheating with Ferodo liners and the recommended solution for 2700 series cars. | ||
| View original record | ROLLS-ROYCE LIMITED, NIGHTINGALE ROAD, DERBY. TELEGRAMS: "ROYCAR," DERBY. TELEPHONES: 476 (Four Lines). Names and Indicating letter. Initial of person addressed. A Mr. ADAMS By Mr. BAILEY Bn Mr.… | ||
| Scan062 | Instructions regarding the fitting of Ferodo lined brakes with air-cooled drums to customer cars. | ||
| View original record | Wor to Mer. CPL/M17715. Re Ferodo Lined Brakes with Air Cooled Drums. Mr. Johnson instructs that any customer desiring to have fitted to his car the new air cooled drums and Ferodo lined brakes,… | ||
| Scan063 | Extract of a memo regarding progress on an experimental chassis, specifically the Ferodo-lined brakes. | ||
| View original record | EXTRACT FROM R4/W29616 of JUNE 29th, 1916. RE EXPERIMENTAL CHASSIS - X.2273. RE X.719 - Brake - Ferodo Lining. "Regarding your memo of the 28th, inst., re experimental chassis, we have just received… | ||
| Scan064 | Extract proposing the use of Ferodo lining for the side brakes on standard cars. | ||
| View original record | EXTRACT FROM R4/W18816 of AUGUST 18th, 1916. RE X. 719 - BRAKE - FERRODO LINING - STD. CAR. BRAKES. "In addition to the aluminium strap for the outer foot brake, I am proposing the use Ferodo for the… | ||
| Scan065 | Request for data on the behaviour of oily Ferodo brake and clutch linings for an epicyclic change speed mechanism. | ||
| View original record | to EH. from E. c. to Da. c. to Ev. c. to EFC. X719 E2/G8.11.18. X.3409.-EXPERIMENTS ON OILY FERODO BRAKE & CLUTCH LININGS. In connection with the design of epicyclic change speed mechanism, Mr. Royce… | ||
| Scan066 | Performance of Ferodo material versus cotton fabric for brakes and clutches, particularly when exposed to oil. | ||
| View original record | To R. from EH. c. to CJ. c. to E. c. to By. c. to Da. X719 EH1/LG11.11.18. X.3409:-FERODO BRAKES & CLUTCHES. The Ferodo used on the foot brakes of the car is undoubtedly a success. If, however, any… | ||
| Scan067 | Requesting an order for 6 sets of experimental Ferodo brake shoe material from Messrs. Herbert Frood. | ||
| View original record | R R. 235 a (100 T) (S.E. 527. 21-2-18) G. 2199 Mr Clough from BY. c. EH. c. EFC. March 21. 1919. BY7-P21319. X.3518 REAR HUB AND BRAKE. RE BRAKE LINING. Will you kindly take out an experimental number… | ||
| Scan068 | Request to order six sets of non-wire, die-pressed Ferodo brake linings for the 40/50 HP chassis. | ||
| View original record | To Mr. Mills from BY/C. On to B.M. c. to Mr. Goverdy. c. to E.P.C. c. to P.S. March 28th; 1919. BY/C2/GMK28.319. X.3518. 40/50 H.P. CHASSIS - FERODO BRAKE LINING. REAR HUB & BRAKE SECTION - 6130. Will… | ||
| Scan069 | Copy of a letter from Herbert Frood, Ltd. regarding an order for brake lining material and a delivery estimate. | ||
| View original record | X.3578 Copy of letter from Herbert Frood, Ltd. Chapel-En-Le-Frith. 2.5.19. Dear Sirs, Order C.L.894. We are in receipt of yours of the 1st. inst. (Ref.Wd/DN7/HP1519) for which we are obliged. We note… | ||
| Scan070 | Attached letter from Herbert Frood Co. about Ferodo Brake Linings. | ||
| View original record | R.R. 235 w(200 T) (S.F. 103. 25-10-18) G. 2244 To By. from O.O. X.3518.-FERODO BRAKE LININGS. We attach copy of a letter from The Herbert Frood Co., respecting Ferodo Brake Linings G.4574, which we… | ||
| Scan071 | Tests conducted on the brakes of a 'Buick' car, model X.3317. | ||
| View original record | To R. from EH. c. to CJ. c. to Bn. c. to E. c. to Da X3409 EHL/LG9.5.19. RE TESTS ON "BUICK" CAR BRAKES X.3317. Attached herewith is blue-print which shews the arrangement of mechanism for the brakes.… | ||
| Scan072 | Brake testing where sustained use caused overheating and the burning of wooden wheel spokes. | ||
| View original record | Contd. -2- EH/LG9.5.19. the brake was still effective and there was still ample range left on the lever. We ran another test by using the foot brake and hand brake alternately, keeping each brake on… | ||
| Scan073 | The testing of a special hot-pressed Ferodo brake material for rear brakes. | ||
| View original record | K3409 X719 U.W. BY4/P18.9.19. EH. from BY. or. Br. CHASSIS - REAR BRAKE. RE SPECIAL FERODO MATERIAL WHICH HAS BEEN HOT PRESSED AND SPECIALLY PRODUCED. Referring to the above material, which the O.O.… | ||
| Scan074 | Testing of special Ferodo material for the 40/50 rear brake. | ||
| View original record | To BY [crossed out] From EH. c. to RN. X.3518 EH3/LG19.9.19. 19th. Sept. 1919. RE SPECIAL FERODO MATERIAL FOR 40/50 REAR BRAKE. We have not yet fitted this material to a car; at the first opportunity… | ||
| Scan075 | The fitting of various experimental parts to chassis 1.EX and 2.EX. | ||
| View original record | X.3518 To EFC. from RHC. RHC2/LG10.12.19. X.3647. - FE EXPERIMENTAL PARTS. Will you kindly note that the following parts have been fitted to chassis:- X.3653. - Blanking plates for radiator - fitted… | ||
| Scan076 | Extract listing new parts fitted to a car for a 10,000-mile run. | ||
| View original record | X.3818 Extract from Hs2/LGS.1.20. X.3743. - RE CAR TO RUN 10,000 MILES. X.3647. This car will leave here on Wednesday. It is fitted with the following new parts - New parts fitted. Remarks. 7. New… | ||
| Scan077 | Testing a special compressed Ferodo No.9 brake material for the chassis rear hub. | ||
| View original record | He. Rn. ~~e.t.me.~~ ~~X719~~ X24779 BY5/H.13120. CHASSIS - REAR HUB & BRAKES. RE SPECIAL FERODO NO.9.MATERIAL. I attach herewith copy of letter I have just received re the special compressed… | ||
| Scan078 | Letter from The Herbert Frood Company regarding the performance and testing of new non-wire asbestos brake linings. | ||
| View original record | C O P Y The Herbert Frood Company Ltd., Sovereign Mills, Chapel-en-le-Frith. England. 8th January, 1920. Thursday. Reference HF/MP. Order C.J.894. Messrs Rolls, Royce Ltd. Nightingale Road, D E R B Y.… | ||
| Scan079 | Letter from The Herbert Frood Co. Ltd regarding the supply of material for brakes and clutches. | ||
| View original record | H.R. 31/a (50 T) (R.F. 846. 6-8-19) G. 2461. - 2 - The writer will be pleased to discuss this No.9. with you any time at your convenience. We might add that our researhnes are likely, in the near… | ||
| Scan080 | Production issues with drilling No. 9 Ferodo brake material for the rear hub and brake. | ||
| View original record | COPY. Hs. from Mr. C.R. X 3518 BY7/H26.1.20. V3576 CHASSIS - REAR HUB & BRAKE. X 3743 Referring to the car running 10,000 miles which is for proposed departures from design, I would like to know… | ||
| Scan081 | The use of No.9 Ferodo brake material on an EX chassis undergoing a 10,000-mile test. | ||
| View original record | X.3578 To BY. from Hs. c. to EN. C.R. ns1/LG27.1.20. (1) X.3578 CHASSIS REAR BRAKES. X.3743 2. EX chassis which is running the 10,000 mile test has No.9. Ferodo material on the foot brakes. Hs. | ||
| Scan082 | Letter discussing pricing and testing of Ferodo brake liners. | ||
| View original record | X.3518 Rolls-Royce America Inc. 707, City Realty Building, Springfield, Mass. Feb. 2nd. 1920. Ref. NHM- 355. To - Mr. DeLooze. From Mr. Manning. X.3518. - RE FERODO BRAKE LINERS. X.3893. The Herbert… | ||
| Scan083 | The testing of five samples of American brake linings. | ||
| View original record | X.3960 COPY. JH. to Hs. c. to Wor. G.K. RE BRAKE LININGS. X3893 X.1296 We attach hereto copy of a letter which we have received from America. The five samples of brake linings have now arrived and are… | ||
| Scan084 | Forwarding five samples of American-made brake lining material for testing and evaluation. | ||
| View original record | COPY. X.3960 Jan. 20, 1920. ref: A-121. TO - Mr. Humpston. from Mr. Manning(Allen). X 3960 RE BRAKE LINING. X 3893 X.1296 We are forwarding to you by freight five samples of brake lining material… | ||
| Scan085 | Forwarding four American Bosch Magnetos, types BC and ZR6, with blueprints for a performance report. | ||
| View original record | X3960 Feb. 2, 1920 To: Col. Barrington, Derby From: Mr. Southern Copies to: H.F.C. Mr. Hives, Mr. Humpston Re: American Bosch Magnetos We have forwarded to you, four of the above Magnetos -- two each… | ||
| Scan086 | Squeaking Ferodo lined footbrakes and the correct installation of rivets. | ||
| View original record | [Handwritten top left] 3 No. CK [Handwritten] X.3578 X 3425 [crossed out] [Stamped] X.3578 [Typed] EP/T14/F15.3.20. RE FERODO LINED FOOTBRAKE SQUEAKING. We attach copy of memo. received from Mr.… | ||
| Scan087 | The cause and cure of squeaking in Ferodo lined foot brakes. | ||
| View original record | N.W. EP. X 3518 N/Br21/h12.3.20. X.3518 X 3425 RE FERODO LINED FOOT BRAKES SQUEAKING. With reference to your instruction No.117 concerning the above, I think it only right to point out to you that our… | ||
| Scan088 | Results of heat testing on different types of brake linings. | ||
| View original record | E.Fe. Mr. Hives. COPY. X 3960 H15/EB16.3.20. Laboratory. X.3960 RE BRAKE LININGS. x 1296 These were tested by gradually heating up from about 250°C, when it was found that the materials broke down in… | ||
| Scan089 | Requesting comments on an attached report regarding squeaking from Ferodo-lined footbrakes. | ||
| View original record | Hs. x358 F.R. F.R. EP/HS27/024.3.20. Re. Ferodo Lined Footbrake Squeaking. Referring to our memo' EP/T14/T15.3.20 attaching copy of memo' N/Br21/H.12320 from Br. will you please let me have your… | ||
| Scan090 | Unsatisfactory brakes, including issues with rivets, squeaking, and material performance. | ||
| View original record | X 3578 Hs. from EP. c. to Bn. c. to BY. EFC EP4/F29.3.20. X.3425 RE UNSATISFACTORY BRAKES. X.3578 I thank you for yours Hs2/LG27.3.20. I want you to dismiss from your minds the fact that the rivets… | ||
| Scan091 | Following up on a request for comments regarding squeaking from Ferodo lined footbrakes. | ||
| View original record | Hs. x5518 EP/HS13/014.4.20. F.R. Re. Ferodo Lined Footbrake Squeaking. With reference to our EP/T14/T15.3.20 attaching copy of Br's memo' N/Br21/M.12320, and to our EP/HS27/024.3.20 in which we ask… | ||
| Scan092 | Confirming Mr. Frood will supply pressed unwoven asbestos material for brake shoes and aluminium rivets. | ||
| View original record | HS. from BY. V3578 BY6-P7.5.20. CHASSIS - REAR HUB & BRAKE, ALSO CLUTCH. ----------------------------------------- Referring to Mr Frood's visit and our joint conference on the subject of Brake Liners… | ||
| Scan093 | Letter from Ferodo Limited regarding the supply and testing of various clutch materials. | ||
| View original record | R.R. .235a (100 T) (S. G. 643. 19-2-20) G 2618 c o p y. FERODO LIMITED. SOVEREIGN MILLS, CHAPEL-EN-LE-FRITH. MAY. 6th, 1920. Thursday. HF/LD. --- Messrs Rolls Royce Limited, Nightingale Road, DERBY.… | ||
| Scan094 | Letter from Ferodo Limited concerning the supply and adjustment of foot brake shoes and linings. | ||
| View original record | - 2 - stock, to that end, which would mean we should be several months accumulating a supply, over and above your current needs. Probably you will not mind sending us a few foot brake shoes, addressed… | ||
| Scan095 | Follow-up letter regarding the testing of American brake linings and magnetos. | ||
| View original record | JH. to Mr. Hives. EFP X-3960 JH1/G20.4.20. RECEIVED RE AMERICAN BRAKE LININGS & AMERICAN BOSCH MAGNETOS. X-3960 X-3702 We have received a letter from America inquiring for the result of the test on… | ||
| Scan096 | Requesting a completion date for tests on American brake linings and Bosch magnetos. | ||
| View original record | X.3960 JH. to Hs. JH4/G28.4.20. X.3916. RE AMERICAN BRAKE LININGS AND BOSCH MAGNETOS. X,3960 With further reference to our memo. JH1/G20.4.20 re the above, we shall be glad if you will give us a date… | ||
| Scan097 | Dynamometer test report on American brake lining samples fitted to rear brakes. | ||
| View original record | Mr. Hives. [crossed out] c to EFC. X.3960 3.5.20. X.682 [crossed out] X.3960 AMERICAN BRAKE LINING SAMPLES FITTED TO 7. CA REAR BRAKES. X.1296 [crossed out] Dynamometer test 20 M.P.H. full throttle.… | ||
| Scan098 | Supply of foot brake shoes to Ferodo Ltd for fitting special 9M material facings. | ||
| View original record | X719 Hs. from BY. BY5-P18.5.20. CHASSIS - REAR HUB & BRAKE. RE SPECIAL FERODO FACINGS PRODUCED IN 9M MATERIAL. Ferodo Ltd, would prefer us to supply them with Foot Brake Shoes in order that they might… | ||
| Scan099 | Letter from Ferodo Limited discussing a manufacturing suggestion for a material combining asbestos, graphite, and brass wire. | ||
| View original record | copy. X3518 FERODO LIMITED. SOVEREIGN MILLS, CHAPEL EN LE FRITH. 17th.June,1920. HF/LD. BY6/P16620. --- Messrs Rolls Royce Ltd. Nightingale Road. D E RB Y. Dear Sirs, The writer is very pleased to… | ||
| Scan100 | Sourcing of various car parts for the American market. | ||
| View original record | R.R. 288A (100 T) (S.G. 643, 19-2-20) G. 9318 x 3960 Extract from Oy3/G7.6.20. Re - Parts proposed to be sent to America. Of the parts on your second list of "possibles":- X.3979. (1) Fan belts. can… | ||
| Scan101 | Parts proposed to be sent to America, with objections to fitting certain components. | ||
| View original record | X. 3960 CyS - G 7680 June 7th, 1920 RECEIVED 21 JUN 1920 S & R To: Mr. Bailey. C.C. Mr. C. Johnson Mr. Belnap Mr. Nadin Mr. Manning Mr. Burton Mr. Hives ✓ Mr. Caswell From: Mr. Olley. x. 38 Re: Parts… | ||
| Scan102 | Letter to Mr. Bailey regarding the procurement status of various parts including lubricators, plates, and steering wheels. | ||
| View original record | Cys - O 7620 June 7th, 1920 To: Mr. Bailey - 2 As regards - (4) Water-pipe clips, etc., we have failed to get pressings for these and would be glad to receive them from you. (5) Rotherham Lubricators.… | ||
| Scan103 | Sourcing and manufacturing decisions for brake linings, radiators, and ball bearings. | ||
| View original record | CyS - S 7620 June 7th, 1920 X.3960 (4) Brake Linings. We have ordered from Frood's who promise good deliveries. Nothing here is equal to Ferodo we think. The Frood Co. intend to establish a plant in… | ||
| Scan104 | Chasing up the test results for American Brake Linings and Magnetos. | ||
| View original record | X.3960 JH. to Mr. Hives. JH1/G20.4.21. X.3916 - RE AMERICAN BRAKE LININGS AND AMERICAN BOSCH MAGNETOS. X.3960 We have received a letter from America inquiring for the result of the test on the above… | ||
| Scan105 | Extract discussing issues with clutch over-oiling due to badly fitted lubrication valves and slack worsteds. | ||
| View original record | X3409 Extract from R10/GS.6.21. X.34091 X.872. CLUTCH OVER-OILING There has been no change with this for many years. We regret, however, that some of the cars at Derny have been badly fitted up as… | ||
| Scan106 | Letter from Ferodo Limited discussing the performance of their No. 9 brake liners after a 10,000-mile test. | ||
| View original record | FERODO LIMITED Late THE HERBERT FROOD COMPANY LTD. WIRES: "FRICTION, CHAPEL-EN-LE-FRITH". REGD. TRADE MARK. TELEPHONES: 19 & 20 CHAPEL-EN-LE-FRITH. (2 LINES) [Handwritten at top: X3709 X719] [Logo:… | ||
| Scan107 | Test report on a slipping starter clutch, detailing issues, corrections, and performance results with different materials. | ||
| View original record | R.R. 199 (250T) (SD676 19-7-17) MP18086s X-31409 K719 To Hs. from RHC. RHC1/LG20.7.20. K18009 RE STARTER SLIPPING CLUTCH. We obtained a standard Clutch complete from the works as suggested and tested… | ||
| Scan108 | Concerning a delay in measuring brake liners for Mr. Frood as the required car is unavailable. | ||
| View original record | O.O. from BY. C.Hs. (struck through) E.F.C. X 3518 BY5-P24-7-20. REAR HUB & BRAKE. X 3518 RE BRAKE LINERS IN No.9 MATERIAL. Please write and tell Mr. Frood that we are not hesitating in supplying full… | ||
| Scan109 | Requesting information on experiments to fix squeaky Ferodo lined brakes following several customer complaints. | ||
| View original record | Hs. from Hm. X.719 Hm/WW3/W13.8.20. X719 Re Squeaky Ferodo lined Brakes. x3427 We understand you are carrying out experiments with a view to effecting a cure of the above trouble, and we shall be glad… | ||
| Scan110 | Adoption of new clutches and issues with Ferodo and Raybestos friction materials. | ||
| View original record | X719 X.8407 [crossed out] R2/G24.1.21. To Hs. " EP. " R.R. of America Inc.) } from R. c. to CJ. c. to FN. c. to H. c. to Wor. c. to Da. c. to Hy. c. to Bn. c. to Hm. c. to CY. c. to O. c. to SA.… | ||
| Scan111 | Cover letter regarding the receipt of experimental clutch linings from Ferodo Limited. | ||
| View original record | X3409 X719 R.R. 255a (100 T) (S.H. 728. 10-12-20) G. 2248 Dr. C. to Hs. Wd/Dnl/HP23221. X3409 23rd March. 1921. We attach herewith copy of a letter received from Messrs. Ferodo Limited. regarding… | ||
| Scan112 | Copy of a letter from Ferodo Limited concerning experimental clutch linings sent to Rolls-Royce. | ||
| View original record | W.R. 283a (100 T) (S.H. 758. 10-12-20) G. 3947 X719 COPY OF LETTER FROM:- FERODO LIMITED. SOVEREIGN MILLS, CHAPEL-EN-LE-FRITH. FJF/DHL. 18th March. 1921. (Friday) Messrs. Rolls-Royce Ltd., Nightingale… | ||
| Scan113 | Letter from Ferodo Limited about experimental clutch linings. | ||
| View original record | X3409 X719 C. to Hs. Wd/Dnl2/HP31321. 31st Mar.1921. We attach copy of a letter received from Messrs. Ferodo Limited., dated 23rd inst. regarding Experimental Clutch Linings. We are instructing the… | ||
| Scan114 | The receipt of Ferobestos Brake Liners and their availability from the Stores. | ||
| View original record | X3518 R.R. Film (60 T.) S.H. 986, (19-2-21) G. 3000 By. [REDACTED] c. to Hs. c. to Chat. Wd/AW11/W9621. 9th June.1921. FEROBESTOS BRAKE LINERS G.4574. You will be interested to learn that 109 of the… | ||
| Scan115 | The fitting of Ferobestos brake linings G.4574 to chassis. | ||
| View original record | x3578 RECEIVED BY/Mtnl/H. 10. 6. 21. C.C. Mr. Clark. Mr. Sidgreaves Mr. Hives. cf Ms. CHASSIS - FEROBESTOS BRAKE LININGS G.4574, With reference to your memo Wd/AWll/W. 9. 6. 21. will you kindly note… | ||
| Scan116 | Request to supply an undrilled and rough-surfaced Cone Clutch for testing a new non-metallic clutch ring from Scandinavia Belting Co. | ||
| View original record | H. R. 182b (100 T.) S.H. 89. 12-7-20) G. 1769 X4388 Hs. from BY. to Wd. [Text struck through] [Stamp: RECEIVED] [Stamp: JUL] BY1-P6.7.21. CONE CLUTCH. X4388 Will you kindly arrange to supply Wd, with… | ||
| Scan117 | New fabric for Goshawk 11 friction clutches from Scandinavia Belting Co. | ||
| View original record | H.R. 2352 (to T.) (S.H. 988. 22/2/21.) Bm. 598878. X4388 Hs. from BY. BY8-P7.7.21. GOSHAWK 11. RE DISCS FOR FRICTION CLUTCHES. The Scandinavia Belting Co, who are supplying us with the fabric for the… | ||
| Scan118 | Recommendation to obtain samples of clutch material from Scandinavia Belt Co. for the Goshawk 11 clutch. | ||
| View original record | BY. from Hs. X4388 Hs2/LG8. 7. 21. Scandinavia Belt Co. Clutch Material. We recommend that you obtain some samples of this material suitable for Goshawk 11 Clutch. Hs. R.R. 235k. 100 (D) (S.H. 798.… | ||
| Scan119 | The supply of 6 'Halo' Clutch Rings for the Goshawk II engine. | ||
| View original record | Hs. .X4388 Wd/Ms7/FJ17.8.21. GOSHAWK II. X4388 Further to mine Wd/Ms3/FJ17.8.21 of even date, I send you herewith the 6 "Halo" Clutch Rings supplied by The "Scandinavia" Belting Ltd. Wd/Ms.… | ||
| Scan120 | 'HALO' jointless clutch rings and a letter from 'Scandinavia' Belting Ltd. | ||
| View original record | Hs. Exp. X4388 Wd/Ms3/FJ17.8.21. "HALO" JOINTLESS CLUTCH RINGS. We attach hereto copy of letter we have received from "Scandinavia" Belting Ltd. dated August 16th. We will hand over the 6 Rings when… | ||
| Scan121 | Quotation from Scandinavia Belting Limited for 'HALO' jointless wound non-metallic asbestos clutch rings. | ||
| View original record | Copy of Quotation received from:- "SCANDINAVIA" BELTING LIMITED, 59, Southwark Street, London, S.E.1. CLUTCH & BRAKE LINING DEPARTMENT. August 16th,1921. Messrs.Rolls-Royce Ltd., Nightingale Road,… | ||
| Scan122 | Performance of graphite-impregnated Ferobestos clutch material. | ||
| View original record | Wd. from HY c. to Hs. X3409 X719 BY3/P23. 8. 21. X.3409 GOSHAWK II. CLUTCH. X.4244 RE. GRAPHITE IMPREGNATED FEROBESTOS USED IN ABOVE CLUTCH. Acting on Mr. Frood's recommendation we have tested out… | ||
| Scan123 | Increasing clutch spring pressure to prevent slipping and seeking expert opinion on the new pressure on the disc material. | ||
| View original record | -2- d. We have actually increased the spring pressure to a total of 960 lbs. without absolutely stopping the clutch from slipping. We now propose to increase the spring pressure to 1120 lbs. which we… | ||
| Scan124 | The Goshawk 11 flywheel and clutch, discussing the co-efficient of friction for Ferobestos material. | ||
| View original record | X. 5409 X719 hs. from BY. BY1/P24.8.21. X.4244 X.3409 GOSHAWK 11. FLYWHEEL AND CLUTCH. Referring to the question of the co-efficient of friction suitable for use when using Ferobestos impregnated with… | ||
| Scan125 | Attached copy of a letter received from Messrs. Ferodo Limited. | ||
| View original record | H. R. 238a (50 T) (S.H. 265, 19-2-21) G. 3000 X3409 X719 Df. C. to Hs. Wd/Dn7/HP26821. 26th August. 1921. We attach hereto copy of a letter received this morning from Messrs. Ferodo Limited. [STAMP]… | ||
| Scan126 | Letter from Ferodo Limited regarding a misunderstanding about clutch plates containing graphite and the delivery of rings for testing. | ||
| View original record | R.R. 235a (100 T) (S.H. 159 11-8-20) G. 2500 COPY OF LETTER FROM:- MESSRS. FERODO LIMITED. SOVEREIGN MILLS, CHAPEL-EN-LE-FRITH. HF/LD. 25th August. 1921. (Thursday) Messrs. Rolls Royce Limited.,… | ||
| Scan127 | Cover note regarding a letter received from Messrs. Ferodo Limited about Plate Clutch Linings for the Goshawk II. | ||
| View original record | X3409 X719 By- c. to Hs. Wd/Dn2/HP27821. 27th Aug.1921. Attached hereto is copy of letter received this morning from Messrs. Ferodo Limited. re Plate Clutch Linings G.50213, Goshawk II Wd. RECEIVED | ||
| Scan128 | Letter from Ferodo Limited regarding plate clutch linings, discussing potential 'jaggering' issues. | ||
| View original record | R R 236A (100 T) (S H. 159, 11-8-20) G. 2800 COPY OF LETTER FROM:- MESSRS. FERODO LIMITED, SOVEREIGN MILLS, CHAPEL-EN-LE-FRITH. SALES DEPT. FJF/DHL. 27th August, 1921. (Friday) Messrs. Rolls-Royce… | ||
| Scan129 | Letter from Ferodo Limited concerning the specifications and supply of clutch linings. | ||
| View original record | R R. 288A (100 T) (S H. 159, 11-8-30) G. 9800 2. to flatten out engine impulses at certain critical speeds. We may cite the Austin 20 HP clutch as the best example we know of, where the picking up… | ||
| Scan130 | Plate warping in the Goshawk 11 clutch and potential solutions. | ||
| View original record | To Hs. from R. c. to CJ. c. to Wor. c. to BY. c. to Da. X3409 X719 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,… | ||
| Scan131 | Six schemes for wheel and clutch improvements, including curved spokes and corrugated plates. | ||
| 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… | ||
| Scan132 | The material for Goshawk II rear brake drums, specifically addressing the issue of low carbon content in mild steel. | ||
| View original record | Wd. from BY. c. Hs. X.3409 X719 B Y6/P16.9.21. X.4357 - GOSHAWK 11. REAR HUB AND BRAKE X.3409 RE MATERIAL FOR BRAKE DRUMS The mild steel brake drums which we have received are too soft, the carbon… | ||
| Scan133 | Dissatisfaction with the Goshawk 11 clutch fabric and a request for alternative materials from Ferodo. | ||
| View original record | Wd. from Hs. X5079 X719 Hs3/LG3.10.21. GOSHAWK 11. CLUTCH. ~~X5079~~ Will you please write to Messrs. Ferodo and remind them that their Chief Engineer, Mr. Field, who came over to see us in connection… | ||
| Scan134 | Complaints of ineffective foot brakes due to issues with Ferodo liners. | ||
| View original record | BY - from EP. c. to Wd. c. to Hs. X3459 X719 1 EP4/H6.10.21. Re. FAULTY FOOT BRAKES. X3459 X3422 We are receiving complaints of foot brakes developing ineffective. This ineffectiveness we find is due… | ||
| Scan135 | Fabrics for the Goshawk II clutch, forwarding a reply from Ferodo Ltd. | ||
| View original record | X3609 X719 Hs. from O.O. C.. to DX Wd/Dnl/HP61021. 6th Oct. 1921. Goshawk II - Clutch. X3409 With reference to your Hs3/LG3.10.21 regarding fabrics used on Goshawk II Clutch. Immediately upon receipt… | ||
| Scan136 | Letter from Ferodo Limited discussing alternative materials and a trial for Goshawk 11 clutch discs. | ||
| View original record | R R 255a (100 T) (S. H. 159. 11-8-20) G. 2800 COPY OF LETTER FROM:- FERODO LIMITED. SOVEREIGN MILLS, CHAPEL-EN-LE-FRITH. Ref. SALES DEPT. FJF/DHL. 5th October 1921. (Wednesday) Messrs. Rolls-Royce… | ||
| Scan137 | Continuation sheet of a letter from Ferodo Limited regarding the fitting and performance of Ferobestos linings. | ||
| View original record | P.R. 235A (100 T) (S. H. 159. 11-8-35) G. 9860 Continuation Sheet. to transmit the drive will be less than with FEROBESTOS linings of 8" & 4" bore. At the same time, if you prefer the original size,… | ||
| Scan138 | Shuddering issues with the Goshawk 11 clutch and proposed modifications to the linings. | ||
| View original record | Wd. from Hs. c. to BY. [strikethrough]X3409[/strikethrough] X7L9 Hsl/LG7.10.21. [strikethrough]X4244[/strikethrough] GOSHAWK 11. CLUTCH. With reference to the letter from Messrs. Ferodo dated… | ||
| Scan139 | Letter from Ferodo Ltd., a missing graph, and incorrectly labelled brake linings for a 40/50 HP Chassis. | ||
| View original record | BY. from Wd. c. to EP. c. to Hs. X.3409 X719 Wd9/NJ13.10.21. | ||
| Scan140 | Experimental suggestions for issues with rear hub and brake performance. | ||
| View original record | Hs. from BY. X719 BY5/P14.10.21. REAR HUB AND BRAKE. RE. POLISHING OF BRAKE SHOES AND DRUMS AND X.3458 CONSEQUENT FALLING OFF IN BRAKING EFFECTS. In turning the above matter over in my mind, it… | ||
| Scan141 | Performance of brake drums and liners, referencing material composition and wear conditions. | ||
| View original record | R.R. 288A (100 T) (S H. 798. 10-10-20) G. 2947 X3409 [crossed out] X719 Wd. from BY c. to HE. c. to EP. BY4/P14.10.21. X.3458 X.3409 - 40/50 CHASSIS - REAR HUB & BRAKE. RL BRAKE LINERS. Further to our… | ||
| Scan142 | Continued communication regarding experimental work and requesting suggestions from Messrs. Ferodo Ltd. | ||
| View original record | BY4/P14.10.21 contd. -2- We are endeavouring to locate this position ourselves but put the facts before Messrs. Ferodo Ltd., at the request of our Experimental Department, who consider that in the… | ||
| Scan143 | Communication forwarding a reply from Ferodo Ltd. regarding brake liners for the 40/50 HP chassis. | ||
| View original record | X3409 X719 By. from Wd. c. to Ef. c. to Hs. Wd1/NJ28.10.21. 40/50 h.p. Chassis - Rear Hub and Brake. Re Brake Liners. The remarks in yours By4/F14.10.21 were duly communicated to Ferodo Ltd. and we… | ||
| Scan144 | Letter from Ferodo Limited concerning the performance of 40/50 HP chassis brake liners. | ||
| View original record | COPY OF LETTER RECEIVED FROM:- FERODO LIMITED, SOVEREIGN MILLS, CHAPEL-EN-LE-FRITH. SALES DEPT. Ref: FJF/DHL. Your Ref: Wd3/NJ.181021. 26th October 1921. (Wednesday) Messrs Rolls Royce Ltd.,… | ||
| Scan145 | Letter from Ferodo Limited discussing brake lining performance, friction, and potential mechanical issues. | ||
| View original record | -2- As a matter of fact, we have tested the linings you sent us against a highly polished mild steel drum, and found no difference in co-efficient of friction over that of a new piece after it had… | ||
| Scan146 | Proposal to supply Ferodo Ltd. with a complete rear hub and brake assembly for testing brake liners on a 40/50 chassis. | ||
| View original record | X. 3409 Wd. from BY. c. to Hs. BY6/F1.11.21. 40/50 CHASSIS - REAR HUB & BRAKE. RE BRAKE LINERS. X. 3458 X. 3409 Referring to Wd1/NJ28.10.21 and Ferodo Ltd. letter of the 26th.inst. after considering… | ||
| Scan147 | Quoting a follow-up letter from 'Scandinavia' Belting Ltd. regarding the testing of 'Halo' brake materials. | ||
| View original record | Hs. from Wd. C. to By. [text crossed out] F.R. [stamp] X4388 Wd13/NJ3.11.21. "Scandinavia" Belting Ltd. X4388 [STAMP: RECEIVED NOV XI] We are in receipt of a letter from these people here follows:-… | ||
| Scan148 | Letter from Cresswell's Limited discussing the co-efficient of friction for their 'Chekko' asbestos brake linings. | ||
| View original record | CONTRACTORS TO THE LORDS COMMISSIONERS OF THE ADMIRALTY, THE INDIA OFFICE & WAR OFFICE. ALL COMMUNICATIONS TO BE ADDRESSED TO THE COMPANY. Cresswell's Limited SPINNERS & MANUFACTURERS OF PURE… | ||
| Scan149 | Letter from Cresswells' Limited detailing the capabilities of their testing machine for brake and clutch linings. | ||
| View original record | Stamped text: ROLLS-ROYCE LTD. CHIEF ENGINEER'S OFFICE 2 SEP 1924 DERBY. Letter text: Our testing machine is so arranged that we can vary the speeds and pressures within very considerable limits, thus… | ||
| Scan150 | Confirming receipt of brake liners and clutch discs in Chekko Semi Metallic Material from Cresswells' Limited. | ||
| View original record | X3539 ROY. c. to Hs. c. to Hy. c. to By. Wd/Dnl/HP71221. 7th Dec. 1921. Please note that we have this day received the undermentioned items in Chekko Semi Metallic Material from Messrs. Cresswells'… | ||
| Scan151 | The co-efficient of friction for 'Baraut' and 'Chekko' brake linings. | ||
| View original record | Hv. --- Y3539 ROY.4/AG.131221. ---------------- 13th. Decr. 1921. Following our recent conversation re the use of "Baraut" or "Chekko" Brake Linings, and our query regarding co-efficient of friction… | ||
| Scan152 | Letter from Small & Parkes Ltd. detailing co-efficient of friction test results for No.1 Asbestos Metallic 'Baraut' brake lining. | ||
| View original record | Copy of letter received from:- SMALL & PARKES LTD., Hendham Vale Works, Manchester. Ref.-RTC/NF. 10th December.1921. Messrs.Rolls-Royce Ltd., Nightingale Road, Derby. Dear Sirs, With further reference… | ||
| Scan153 | The second page of a letter received from Small & Parkes Ltd. | ||
| View original record | Copy of letter received from:- SMALL & PARKES LTD., Hendham Vale Works, Manchester. -Continued- -2- of 320°F. We hope the above particulars will be of help to you. We are, Yours faithfully, SMALL &… | ||
| Scan154 | Communication regarding brake and clutch linings received from Messrs. Cresswell Ltd. of Bradford. | ||
| View original record | Mr. Hives. X3539 ROY.8/AG.6.12.21 [STAMP: RECEIVED Hs 6 1921] Re Brake & Clutch Linings. Attached is copy of a communication received from Messrs. Cresswell Ltd., of Bradford, also booklet. The… | ||
| Scan155 | Letter from Scandinavia Belting Co. Ltd. regarding the return of a clutch cone and an inquiry about previously submitted clutch rings. | ||
| View original record | HS X4388 COPY OF LETTER FROM:- THE SCANDINAVIA BELTING CO.LTD. 59, SOUTHWARK STREET, LONDON. S.E.1. CLUTCH AND BRAKE LINING DEPARTMENT. Messrs. Rolls-Royce Ltd., 7th February. 1922. Nightingale Road,… | ||
| Scan156 | Comparative costs and testing strategy for different brake liners for the Goshawk model. | ||
| View original record | Hs FEB 15 1922 RECEIVED X3539 ROY.3/AG.14.2.22. X3539 HAND AND FOOT BRAKE LINERS FOR GOSHAWK. Fitment of Die Press Ferodo Bonded Asbestos Liners to these cars, will cost us roughly 10/- more per car… | ||
| Scan157 | Unsuitability of a damping material for a brake drum flange and proposing consultation with Ferodo for an alternative asbestos-based fabric. | ||
| View original record | Wd. From BY. c. Hs. c. Mr D'aeth. X719 BY3-P28.7.22.JUL RECEIVED STAMP RE DAMPING MATERIAL ON THE FLANGE OF THE BRAKE DRUM. The material which I am handing you herewith is not flexible enough to… | ||
| Scan158 | Confirming an order with Ferodo Ltd. for 100 sets of Brake and Clutch Liners made from die-pressed Ferodo Bonded Asbestos. | ||
| View original record | Hs. G.11. X/3539 ROY/Ms5/FJ9-8-22. We have placed an order with Messrs. Ferodo Ltd. for 100 sets of Brake Liners and Clutch Liners made in die- pressed Ferodo Bonded Asbestos as we understand from you… | ||
| Scan159 | Request for a report on 'Halo' jointless clutch ring samples from Scandinavia Belting Ltd. | ||
| View original record | V4388. 1804 Hs. DM. ROY/Ms5/FJ28.7.22. "HALO" JOINTLESS CLUTCH RINGS. With reference to our memo. Wd/Ms3/FJ17.8.21 with which we sent you copy of letter received from Messrs. "Scandinavia" Belting… | ||
| Scan160 | Copy of a letter from supplier 'Scandinavia' Belting Ltd. regarding friction fabrics and other automotive components. | ||
| View original record | Copy of letter received from:- "SCANDINAVIA" BELTING LTD. 59, Southwark Street, London, S.E.1. CLUTCH & BRAKE LINING DEPARTMENT. 26th July, 1922. Messrs.Rolls-Royce Ltd., Nightingale Road, Derby. Dear… | ||
| Scan161 | Black pigment finish on brake liners supplied by Ferodo Ltd for the 40/50 HP Chassis and Goshawk 11. | ||
| View original record | By. from Wd. c. to FP. c. to Hs X3539 RECEIVED OCT 19 1922 HS Wd6/NJ/19.10.22. X3537 X3409 40/50 HP. Chassis - Rear Brakes. Referring to yours By13/P3.10.22 and By14/P31.8.22, also to the discussion… | ||
| Scan162 | Rear brakes for the 40/50 HP Chassis, enclosing a letter and two brake linings from Ferodo Ltd. | ||
| View original record | By. from Wd. c.c. to EP. c.c. to Hs. Y3409 X719 Wd3/NJ9.10.22. 40/50 HP. Chassis - Rear Brakes. Referring to yours By13/P3.10.22, I attach hereto (By) a letter from Ferodo Ltd. dated 6th inst. and I… | ||
| Scan163 | Black pigment coating on brake liners for the 40/50 HP Chassis and Goshawk 11. | ||
| View original record | X.3409. X719 BY. from Wd. c. to EP. c. to Hs. Wd6/NJ/19.10.22. 40/50 HP. CHASSIS - REAR BRAKES. X.3539 X.3409. Referring to yours BY13/P3.10.22, and BY14/P31.8.22., also to the discussion which took… | ||
| Scan164 | Instructions from Ferodo Ltd. to omit black dressing from specific brake liners for the 40/50 HP and 'Goshawk' chassis. | ||
| View original record | To BY. from Wd. c. to Hs. c. to EP. c. to Hm. c. to Sft. c. to Roy. c. to Ms. X.5409. X7C9 Wd3/NJ24.10.22. 40/50 HP. AND "GOSHAWK" CHASSIS RE+ BRAKES. X.3539 X.5409. In reply to yours BY22/H19.10.22,… | ||
| Scan165 | Instructions from Ferodo Ltd. to omit black dressing on brake liners for the 40/50 HP & 'Goshawk II D' chassis. | ||
| View original record | By. from Wd. c. to Hs. c. to EP. c. to Hm. c. to Sft. c. to Roy. c. to Ms. X3539 Hs OCT 24 1922 Wd3/NJ24.10.22. 40/50 HP. & "GOSHAWK II"D CHASSIS. X3539 Y3409 Re Brakes. In reply to yours… | ||
| Scan166 | Letter from Ferodo Limited concerning a remedy for a noisy and jerky clutch. | ||
| View original record | FERODO LIMITED. x729 WIRES: 'FRICTION, CHAPEL-EN-LE-FRITH' REGD TRADE MARK. TELEPHONES: 19 & 20 CHAPEL-EN-LE-FRITH. (2 LINES) Depots. LONDON 222, TOTTENHAM COURT ROAD, W.1. BIRMINGHAM 202, CORPORATION… | ||
| Scan167 | Letter from Ferodo Limited to R. Harvey Bailey regarding brake and spring interleaving materials. | ||
| View original record | 13-12-22. Sheet No. 2. From FERODO LIMITED. R. Harvey Bailey, Esq. - continued - tests and allow me to send some liners down. I do not know whether you have pursued the question of interleaving, but… | ||
| Scan168 | Slipping effects and load on keys for a Goshawk 11 plate clutch, in response to a letter from Ferodo. | ||
| View original record | H.R. 199 (250?) (S.D.676 19-7-17) MP 180865 X340 X719 Hs. Mr D'Aeth. BY14-P15.1.23. GOSHAWK 11. PLATE CLUTCH. Referring to Messrs. Ferodo's letter of the 11th inst., which I send you copy of herewith,… | ||
| Scan169 | Letter from Ferodo Limited concerning clutch and brake linings for the Goshawk clutch. | ||
| View original record | R.R. 199 (250T) (S.D.676 19-7-17) MP 180865 COPY. FERODO LIMITED., SOVEREIGN MILLE, CHAPEL-EN-LE-FRITH. Ref. FJF/DHL. 11th January 1923. Messrs. Rolls Royce Ltd., DERBY. For the attention of Mr… | ||
| Scan170 | Material selection (Raybestos vs. Ferodo) and design modifications for the Goshawk and Seagull single plate clutch. | ||
| View original record | TO HS. FROM R. RE. GOSHAWK & SEAGULL CLUTCH (SINGLE PLATE.) I am not sure whether I understood you rightly to say that you had tested Raybestos, and that we could rely upon a co-efficiency of .3 with… | ||
| Scan171 | Material for fixing rear brake shoes from Raybestos-Belaco Limited. | ||
| View original record | X3409 Hey. C. Hs. BY14-P9.2.23. RAYBESTOS-BELACO LIMITED. REAR BRAKES. ROY1/MG31123. The question of the material for fixing the shoes of the Rear Brakes is so important that we cannot afford to take… | ||
| Scan172 | Comparative test report on Raybestos and Ferodo clutch fabrics for a 20 HP clutch. | ||
| View original record | X3409 X719 To R. from Hs. c. to CJ. c. to E. c. to Dn. c. to BY. Hsl/LG16.2.23. RAYBESTOS CLUTCH FABRIC. X570 X3409 We have tested Raybestos fabric on a 20 HP. clutch. The rings were fitted to the… | ||
| Scan173 | The loss of friction in brake and clutch materials and collaboration with Ferodo Ltd. to resolve the issue. | ||
| View original record | contd:- -2- manufacturer's claims after it has been in use. We are in constant communication with the Ferodo people on this point. For a considerable time we have impressed upon them the fact that in… | ||
| Scan174 | Letter from Ferodo Ltd. detailing the test results for a 20 HP plate clutch lining. | ||
| View original record | COPY. Ferodo Ltd., Sovereign Mills, Chapel-en-le-Frith. Eng. FJF/MVH. Jan. 30th. 1923. Messrs. Rolls-Royce Ltd., Nightingale Rd., D E R B Y. Dear Sirs, Attention of Mr. Bailey. Re. 20 HP. PLATE… | ||
| Scan175 | Test results for Ferodo Bonden Asbestos plate clutch linings. | ||
| View original record | Copy of Test Results. Taken on Ferodo Bonden Asbestos Plate Clutch Linings. Rolls-Royce Size 10.5" O.D. 8.4" I.D. R.P.M. | Torque. | H.P. | Pressure lbs. | C.O.F. | Temp. | Remarks. 1000 | 105 ft.lbs.… | ||
| Scan176 | Instruction sheet with test results comparing Raybestos and Ferodo clutch fabrics. | ||
| View original record | R.R. 26 10M Bks. (SE 591 13-3-18). M.P. 189358 X 3439 (crossed out) X719 ROLLS-ROYCE LIMITED. INSTRUCTIONS. To: Mr Hives 20 HP Clutch fabric. Raybestos v Ferodo. A series of tests have been carried… | ||
| Scan177 | Report comparing the performance of Raybestos and Ferodo clutch materials. | ||
| View original record | R.R. 26 10M Bks.) (SE 591 13-3-18). M.P. 189358 ROLLS-ROYCE LIMITED. INSTRUCTIONS. To________ Order No.________ Customer's No.________ very much better than the Raybestos, the characteristic of the… | ||
| Scan178 | Requesting data on the wear rate and destructive testing of three different types of Goshawk 11 clutch fabrics. | ||
| View original record | To Hs. from E. X3409 X709 RE. CLUTCHES. X.4244. X.3409 E4/M28.2.23. 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… | ||
| Scan179 | Wear rate and coefficient of friction for Goshawk clutch material and related investigations with the supplier, Ferodo. | ||
| View original record | To E. from Hs. Y/3459 X719 Hs2/LG1.3.23. CLUTCH MATERIAL. Y/3459 X4244 The rate of wear on a Goshawk Clutch used under normal conditions is practically nil. We measured one clutch, which after the… | ||
| Scan180 | Testing of a new 40/50 type clutch cone fabric from Ferodo Limited, which is claimed to eliminate squeaking. | ||
| View original record | Hs. [Handwritten crossed out text] X719 BY4-P3.5.23. FERODO LIMITED. Mr Herbert Frood has written me today stating that he is despatching, addressed for my attention, a 40/50 type clutch cone fabric… | ||
| Scan181 | Letter from Ferodo Limited discussing the development and properties of a new oil-retaining asbestos clutch lining. | ||
| View original record | R.H. 109 (2SOT) (S.D.676 19-7-17) MP 180865 COPY. FERODO LIMITED, SOVEREIGN MILLS, CHAPEN-EN-LE-FRITH. 2nd May.1923. Wednesday. R. Harvey Bailey Esq., Messrs. Rolls Royce Limited., DERBY. Dear Mr… | ||
| Scan182 | Letter from Ferodo Limited's Managing Director regarding a foolproof clutch lining. | ||
| View original record | - 2 - If you are able to make a good report, surely such a lining will be a much convenient one to handle than your present type which requires your own experts to fit, whereas your authorised agents… | ||
| Scan183 | Special asbestos and wire clutch material supplied by Ferodo Limited for the 40/50 chassis. | ||
| View original record | X5009 X719 Hs. BY1-P1.6.23. 40/50 CHASSIS. SPECIAL CLUTCH MATERIAL SUPPLIED BY FERODO LIMITED. Referring to the special clutch which you are running, supplied to us by Mr Frood, which is practically… | ||
| Scan184 | Letter to Ferodo Limited seeking assistance with the problem of squeaking brakes. | ||
| View original record | X719 HS2/LG. 24th. Oct. 1923. Ferodo Limited, Sovereign Mills, Chapel-en-le-Frith, England. Dear Sirs, We should be glad of your assistance with regard to squeaking Brakes. We frequently have… | ||
| Scan185 | Letter from Ferodo Limited discussing the causes of and potential solutions for squeaky brakes. | ||
| View original record | H30209 X719 FERODO LIMITED. WIRES: "FRICTION, CHAPEL-EN-LE-FRITH." REGD TRADE MARK. TELEPHONES: 19 & 20 CHAPEL-EN-LE-FRITH. (2 LINES) Depots. LONDON 222, TOTTENHAM COURT ROAD, W.1. BIRMINGHAM 202,… | ||
| Scan186 | Letter from Ferodo Limited detailing findings on brake noise, friction materials, and testing procedures. | ||
| View original record | From FERODO LIMITED. 29/10/23 Sheet No. -2- Messrs Rolls-Royce Limited, drums used were of very substantial character and no other material previously used made any sound at all. There was nothing… | ||
| Scan187 | Letter to Messrs. Ferodo Ltd. to arrange a meeting about interleaving for road springs and squeaking brakes. | ||
| View original record | X3449 X719 Hsl/LG5.11.23 X3449 X34483 5th. Nov.1923. Messrs. Ferodo Ltd., Sovereign Mills, Chapel-en-le-Frith, Dear Sirs, Referring to your letter of the 30th.ult. We should be pleased to see you with… | ||
| Scan188 | Telegram detailing a solution for a brake 'jaggering' issue by modifying the Ferodo brake lining. | ||
| View original record | Copy to Hs. X719 X9940 SECOND TELEGRAM RECEIVED 16th. NOV. 1923. ROWLEDGE AND HIVES ROYCAR DERBY. DEFINITE CAUSE OF JAGGERING IS FERODO EXTENDS ROUND TOO FAR FROM ANCHOR PIN ON ALL OUR BRAKES STOP CUT… | ||
| Scan189 | Bentley Motors' adoption of 'HALO' brake lining material, with an appended extract from 'The Autocar' magazine. | ||
| View original record | X4388 BY. from ROY. c. to Hs. ROY2/MG1.12.23 I see in this week's "AUTOCAR" on page 1094 Mr. Bentley, of Bentley Motors Limited states they have now standardized an improved Brake Lining, and… | ||
| Scan190 | The analysis and testing of a 20 HP footbrake using a Froude water brake. | ||
| View original record | X3409 (struck through) X719 Hs5/T4.12.23. To R. from Hs. c. CJ. E. BY. c. RG. OY. DA. RE BRAKE TESTS. Attached herewith is a report on the analysis of the 20 H.P. footbrake. The brake was fixed to the… | ||
| Scan191 | The test of Ferodo brake linings with varying positions on brake shoes. | ||
| View original record | R.R. 493 (4d H) (SL 42 12-7-23). J.H.D. X3409 EXPERIMENTAL REPORT. x4257 COPIES TO: R.CJ. BJ. WOR. By. E. Da. EP. PN. OY. Expl. No. 3409 3539. REF. hsl/T4.12.23. OBJECT OF TEST. TESTER. Test of Ferodo… | ||
| Scan192 | Sketches illustrating the position of Ferodo brake lining on different brake shoe designs. | ||
| View original record | Sketches to illustrate position of Ferodo on shoes. (4) Standard shoe is a combination of No's ① ② SUMMARY OF TEST. ① Toggle Torque 24° 450 300 Pivot ② Toggle Torque 30° Pivot ③ Toggle 56° 66° Pivot… | ||
| Scan193 | Summary of tests showing three different configurations for the position of Ferodo brake linings on brake shoes. | ||
| View original record | Sketches to illustrate position of Ferodo on shoes. (4) Standard shoe is a combination of No ① & ② SUMMARY OF TEST. ① Toggle 24° •050 •300 Pivot ② Toggle 36° Pivot ③ Toggle 56° 66° Pivot SCALE 1/4… | ||
| Scan194 | The reverse side of a document showing a date stamp from Derby. | ||
| View original record | LIMITED 7 DEC. 23 DERBY | ||
| Scan195 | Tests conducted on 'Halo' brake linings, with the segment in the centre of the shoe only. | ||
| View original record | R.R. 493 (40 H) (SL 12 12-7-23). J.H., D. Handwritten: X4388 EXPERIMENTAL REPORT. COPIES TO: R.CJ. BJ. WOR. By. E. Da. EP. PN. OY. Expl. No. 4388 REF. HS/RB2/LGT.12.23. OBJECT OF TEST. Tests on 'Halo'… | ||
| Scan196 | Graph comparing the performance of Ferodo and Halo brake linings, showing the effects of temperature under a 20lbs load. | ||
| View original record | COMPARISON OF FERODO & HALO BRAKE LININGS SHOWING EFFECTS OF TEMPERATURE. Halo Ferodo LOAD 20 Lbs. R.P.M of BRAKE DRUM 500 400 300 200 100 0 MINS 5 10 15 | ||
| Scan197 | Stamped, otherwise blank, document page. | ||
| View original record | 7- JUL. 14 DERBY | ||
| Scan198 | Test of Ferodo lined wrapping brake shoes. | ||
| View original record | R.R. 493 (40 H) (SL 42 12-7-23). J.H., D. V31159 X719 EXPERIMENTAL REPORT. COPIES TO: R.CJ. BJ. WOR. By. E. Da. EP. PN. OY. Expl. No. 3409 REFHS/RB1/8.12.23. OBJECT OF TEST. Test on Ferodo lined… | ||
| Scan199 | Comparative test report on various brake shoe designs and their performance. | ||
| View original record | Type of shoe. DESCRIPTION. SKETCH. Initial drum r.p.m. Final drum r.p.m. W. REMARKS. 2A. Standard. Standard. 473 315 15 This test made for the sake of comparison with those below as springs were not… | ||
| Scan200 | Brake shoe endurance test, detailing its performance, rolling action, and wear. | ||
| View original record | R.R. 493A (40 H) (RL 42 12-7-23). J.H., D. Sheet 3. EXPERIMENTAL REPORT. Expl. No. 3409 REF:Hs/RB1/LGS.12.23. Shoe X. Ferodo at toggle end only. On applying the brake in this case it was noticed that… | ||
| Scan201 | Telegram confirmation with instructions to modify a vehicle's servo brake and front springs. | ||
| View original record | CONFIRMATION OF TELEGRAM. WEST WITTERING. HIVES. ROYCAR. DERBY. TRY SERVO FERODO SHORTENED SO THAT SERVO IS LESS FIERCE. WE ASSUME YOU ARE REFITTING THE CAR WITH JOINTED NOT LINKED SHOES AS X. WE… | ||
| Scan202 | Requesting experiments on four-wheel brakes to test variations due to surface conditions and compare Halo and Ferodo materials. | ||
| View original record | To Hs. from R. 44388 R2/M11.12.23. FOUR WHEEL BRAKES. X.1559 X 4388 X.9940 Will you please make definite experiments to find out the variations in braking due to the condition of the surfaces? I still… | ||
| Scan203 | Tests on 'HALO' brake material and comparing its performance against Ferodo. | ||
| View original record | To R. from Hs. c. to CJ. Rg. c. to Da. BY. XL4388 Hs5/LG12.12.23. 'HALO' BRAKE MATERIAL. We have been running some of this material for some time on a 20 HP. car. Under ordinary brake conditions we… | ||
| Scan204 | Road test report comparing the efficiency of 'Halo' and 'Ferodo' brake linings when cold and hot. | ||
| View original record | M 20 (10M BKS) (SK 168 6-10-22) MP 160799 X4388 ROLLS-ROYCE LTD. INSTRUCTIONS To: Mr. Hives 18/12/1923 Order No. Customer's No. Re "Halo" Brake Linings Road Tests on 7 J.II. fitted with above on… | ||
| Scan205 | Secret memo discussing an unexpectedly high multiplication factor in a servo mechanism, questioning the co-efficient of friction. | ||
| View original record | To HS. from DA. S E C R E T. X719 DAL/M13.12.23. E.A.C.111. SERVO. X.9910 X.3409 Referring to your HS/AJL1/LG10.12.23., we are surprised at the multiplication you obtain which is about 2½ times as… | ||
| Scan206 | Fault with 'HALO' brake lining, which becomes dangerously ineffective when hot. | ||
| View original record | ROY. from Hs. X4388 Hs3/LG19.12.23. 'HALO' BRAKE LINING. We should like you to take up with the makers of this brake lining and point out to them that we find the co-efficient of friction is reduced… | ||
| Scan207 | Defect in Halo Brake Material where it loses its co-efficient with temperature. | ||
| View original record | Roy. from Hs. X4388 Hsl/LG28.12.23. RE. HALO BRAKE MATERIAL. With reference to your Roy/MG28.12.23 and letter attached from the Scandinavia Belting Co. dated Dec. 27th. We notice that they agree that… | ||
| Scan208 | Cover note forwarding a letter from Scandinavia Belting Limited regarding 'Halo' Brake Lining. | ||
| View original record | Hs. 44388 ROY/AG28.12.23 "Halo" Brake Lining Re Hs3/LG19.12.23. Enclosed is copy of letter received this morning from Scandinavia Belting Limited, for your information. ROY. per [illegible signature]… | ||
| Scan209 | Letter from Scandinavia Belting Ltd. regarding the performance of 'Halo' brake lining material when hot. | ||
| View original record | Copy of Letter. FROM: SCANDINAVIA BELTING LTD. 59, Southwark Street LONDON S.E.1 27th.December.1923 Messrs. Rolls-Royce Ltd. Nightingale Road, DERBY Buying Dept. Ref: ROY13/MG21.12.23 Dear Sirs:- In… | ||
| Scan210 | Communication with the Scandinavia Belting Company regarding 'Halo' Brake Linings and their efficiency. | ||
| View original record | Hs. from ROY. Y4388 ROY28/AG1.1.24 Attached is copy of a further communication from the Scandinavia Belting Company dated the 31st ultimo re "Halo" Brake Linings - which has crossed ours asking them… | ||
| Scan211 | Letter from Scandinavia Belting Ltd. regarding the performance and testing of brake lining materials. | ||
| View original record | Copy of Letter. From SCANDINAVIA BELTING LTD. 59, Southwark Street LONDON S.E. 1 31st.December 1924 Messrs. Rolls-Royce Ltd. Nightingale Road. DERBY Buying Dept. Ref: ROY13/MG21.12.23 Dear Sirs,… | ||
| Scan212 | Letter to Ferodo Ltd. regarding the testing of different brake materials and their characteristics. | ||
| View original record | X3407 X719 Hs2/LG. (1st. Jan.) 1.1.24. Messrs. Ferodo Ltd., Sovereign Mills, Chapel-en-le-Frith. Dear Sirs, For the attention of Mr. Field. In connection with the complaints of squeaking brakes we… | ||
| Scan213 | The second page of a typed letter, concluding with a request. | ||
| View original record | contd:- -2- Will you kindly let us know a suitable day. Thanking you in anticipation. Yours faithfully, | ||
| Scan214 | Friction material for slipper flywheels, recommending a new material due to issues with swollen fibre washers. | ||
| View original record | R.R. 493A (60 H) (EL 42 12-7-23). J.H. D. V/3409 Expl. No. 3409 4244 REF: Hs1/LG4.1.24. EXPERIMENTAL REPORT. To R. from Hs. c. to CJ. c. to RG. c. to E. c. to DA. c. to BY. FRICTION MATERIAL FOR… | ||
| Scan215 | Letter from Ferodo Limited discussing the characteristics and patent of their asbestos friction linings. | ||
| View original record | X347 X719 FERODO LIMITED. TELEGRAMS: "FRICTION, CHAPEL-EN-LE-FRITH". REG'D TRADE MARK. TELEPHONES: 19 & 20 CHAPEL-EN-LE-FRITH. (2 LINES) CODES:- 5TH EDITION A.B.C. LIEBER'S. MARCONI INTERNATIONAL.… | ||
| Scan216 | Letter from Ferodo Limited discussing the coefficient of friction of their bonded asbestos materials and arranging a demonstration. | ||
| View original record | From FERODO LIMITED. 5/1/24 Sheet No. - 2 - Messrs Rolls-Royce Limited. very infrequent except where the unit pressure is high and the metal of the drums very soft. In regard to coefficient of… | ||
| Scan217 | Graph comparing the coefficient of friction of Ferodo Fibre and Ferodo Bonded Asbestos at various slipping speeds. | ||
| View original record | FERODO LTD CHAPEL-EN-LE-FRITH DIAGRAM Nº 35 NOTE: WITHIN THE LIMITS OF NORMAL BRAKE PRESSURE µ IS NOT AFFECTED BY DIFFERENCES IN PRESSURES. µ COEFFICIENT OF FRICTION SLIPPING SPEED - FEET PER MIN.… | ||
| Scan218 | Letter to Ferodo Ltd. regarding a planned visit to Chapel-en-le-Frith to compare testing methods. | ||
| View original record | X7B Hs/Rml/LG. 7th. Jan. 1924. Messrs. Ferodo Ltd., Sovereign Mills, Chapel-en-le-Frith. Dear Sirs, For the attention of F.J.Field, Esq. We thank you for your letter ref. FJF/DHL of the 5th.inst. We… | ||
| Scan219 | Letter from Ferodo Limited enclosing a diagram about the coefficient of friction for Ferodo Fibre and Ferodo Bonded Asbestos. | ||
| View original record | FERODO LIMITED. WIRES: "FRICTION, CHAPEL-EN-LE-FRITH." REGD. TRADE MARK. TELEPHONES: 19 & 20 CHAPEL-EN-LE-FRITH. (2 LINES) CODES:- 5TH EDITION A.B.C. LIEBER'S. MARCONI INTERNATIONAL. WESTERN UNION… | ||
| Scan220 | Letter from Ferodo Limited confirming a meeting and lunch arrangement. | ||
| View original record | FERODO LIMITED. WIRES: "FRICTION, CHAPEL-EN-LE-FRITH". REGD TRADE MARK. TELEPHONES: 19 & 20 CHAPEL-EN-LE-FRITH. (2 LINES) CODES:- 5TH EDITION A.B.C. LIEBER'S. MARCONI INTERNATIONAL. WESTERN UNION FIVE… | ||
| Scan221 | Letter from Ferodo Ltd. regarding the postponement of a proposed visit. | ||
| View original record | FERODO LIMITED. WIRES: 'FRICTION, CHAPEL-EN-LE-FRITH.' REGD TRADE MARK. TELEPHONES: 19 & 20 CHAPEL-EN-LE-FRITH. (2 LINES) CODES:- 5TH EDITION A.B.C. LIEBER'S. MARCONI INTERNATIONAL. WESTERN UNION FIVE… | ||
| Scan222 | Brake linings, comparing Halo and Ferodo materials and their performance when hot. | ||
| View original record | R.B. 493A (40 H) (SL 42 12-7-23). J.H., D. EXPERIMENTAL REPORT. Expl. No. 4388 REF: HS5/LG15.1.24. To R. from Hs. c. to RG. CJ. c. to DA. E. c. to BY. BRAKES. BRAKE LININGS. With reference to the Halo… | ||
| Scan223 | Hand-drawn exploded diagram of a clutch lining testing rig. | ||
| View original record | EXPERIMENTAL REPORT. R.R. 402A (40 H) (81. 42 15-7-23). J.H.D. Expt. No. V3409 REF: Thick Plate to Prevent Warping from Heat Lining Riveted On DRIVEN DRIVING Ball Race Holes Drilled to Prevent Heat… | ||
| Scan224 | The wrapping and non-wrapping action of rigid brake shoes. | ||
| View original record | R.R. 493A (40 H) (SL 42 12-7-23). J.H.D. EXPERIMENTAL REPORT. Expl. No. REF: Hs/ACL/LG17.1.24. WRAPPING AND NON-WRAPPING ACTION OF RIGID BRAKE SHOES. The apparent co-efficient of friction determined… | ||
| Scan225 | The mechanics and torque of wrapping and non-wrapping brake shoes. | ||
| View original record | R.R. 403A (40 H) (SL 43 12-7-23). J.H., D. -2- EXPERIMENTAL REPORT. Exptl. No. 994- REF: HS/ACL/LG17.1.24. WRAPPING SHOE. Take moments about M. Pa + Fl = Rb F = μR ∴ Pa + μlR = Rb or R[b - μl] = Pa or… | ||
| Scan226 | The coefficient of friction and servo pressure for front brakes. | ||
| View original record | contd:- -3- The co-efficient of friction determined from our front brake results, taking into account the wrapping action, is .427. Ferodo's said that this figure was quite reasonable. Taking μ = .43… | ||
| Scan227 | Visit to Chapel-en-le-Frith to discuss brake friction materials and squeaking issues. | ||
| View original record | R.R. 403A (40 H) (SL 42 12-7-23). J.H., D. EXPERIMENTAL REPORT. Expl. No. 3409 REF:Hs/Rm/LG17.1.24. VISIT TO CHAPEL-EN-LE-FRITH. (1) We interrogated Mr. Field as to the possibility of their producing… | ||
| Scan228 | Page 2 of an experimental report discussing clutch lining wear, testing methods, and friction coefficients. | ||
| View original record | R.R. 493A (40 H) (SL 42 12-7-23). J.H. D. -2- EXPERIMENTAL REPORT. Expl. No. REF: hs/Rm/LG17.1.24. dust on the surface caused by wear, being unable to get away. They did not demonstrate this to us,… | ||
| Scan229 | Obtaining data from a servo brake. | ||
| View original record | R.R. 493 (40 H) (SL 42 12-7-23). J.H. D. V2409 X719 EXPERIMENTAL REPORT. 9910 COPIES TO: R.CJ. BJ. WOR. By. E. Da. EP. PN. OY. Expl. No. S/409 REF. Hs1/LG22.1.24. OBJECT OF TEST. To obtain data on… | ||
| Scan230 | Series of tests on an E.A.C. servo for a brake testing rig. | ||
| View original record | R.B. 403A (40 H) (SL 12 12-7-23). J.H. D. EXPERIMENTAL REPORT. Expl. No. 9910 REF: He/an/1.G22.1.24. E.A.C. SERVO TESTS. We have carried out a series of tests with the EAC. servo on our brake testing… | ||
| Scan231 | Tests to demonstrate the effects of speed and heat on brake linings. | ||
| View original record | R.R. 403A (40 H) (EL 42 12-7-23). J.H.D. -2- EXPERIMENTAL REPORT. Expl. No. 9910 REF: Hs/Rm/L322.1.24. We therefore carried out a second series of tests to demonstrate the magnitude of these effects.… | ||
| Scan232 | Comparing the horsepower absorbed per square inch of lining on the 40/50 rear wheel foot brakes with that of the servo. | ||
| View original record | R.R. 403A (40 H) (SL 42 12-7-23). J.H., D. EXPERIMENTAL REPORT. Expl. No. 9940 REF Hs/Rm/L.G22.1.24. TO COMPARE THE H.P. ABSORBED BY THE 40/50 REAR WHEEL FOOT BRAKE SHOES PER SQ.IN. OF LINING WITH THE… | ||
| Scan233 | Report attributing excessive servo wear to a lack of cooling facilities causing brake linings to roast. | ||
| View original record | contd:- -2- From these figures it is apparent that were the servo operating under the same conditions as the rear brakes, it should wear no more rapidly. Our tests on the brake rig have shewn,… | ||
| Scan234 | Performance analysis graphs and diagram for an E.A.C. Servo mechanism. | ||
| View original record | E.A.C. SERVO TANGENTIAL P Mech Gain P/W LOAD W Graph A: Y-axis: MECHANICAL GAIN X-axis: TIME RUN. MINS. Boxed Text: VARIATION IN MECH GAIN WITH TEMPERATURE, W = 10.5 LBS, DRUM SPEED 500 R.P.M Graph B:… | ||
| Scan235 | Study on the effect of high temperatures on the wear and mechanical gain factor of a servo mechanism. | ||
| View original record | EFFECT OF HIGH TEMPERATURES ON WEAR AND MECHANICAL GAIN FACTOR OF SERVO LOAD ON SERVO W = 10½LBS OR 100LBS PEDAL PRESSURE IN ALL TESTS. CONDITIONS OF TEST WEAR IN NOTCHES TAKEN UP PER ½ HOUR ABSORBED… | ||
| Scan236 | The dispatch and examination of two sets of servo brake liners from test cars. | ||
| View original record | To DA. from Hs. c. to R. CJ. X719 HS2/LG23.1.24. SERVO BRAKES. X 9940. X. 3409. X9910 We are sending to you 2 sets of liners removed from the servo brakes on cars which we have been testing. One set… | ||
| Scan237 | The despatch of two sets of brake liners for examination. | ||
| View original record | X5409 [crossed out] X719 To BP. from Hs. c. to Mr. Chatwin. Hs3/LG23.1.24. We are sending into the Stores for despatch to DA. WW :- 2 sets of Brake liners (labelled - wrapping and non-wrapping shoes)… | ||
| Scan238 | Servo brake testing, comparing cast iron liners with Ferodo material. | ||
| View original record | R.R. 403 (40 H) (SL 42 12-7-23). J.H., D. EXPERIMENTAL REPORT. COPIES TO: (R.C.J), BJ, (WOR), By, E, Da, EP, PN, OY, (RB) Expl. No. 3409 REF.Hs5/LG23.1.24 OBJECT OF TEST. To obtain data on servo… | ||
| Scan239 | Testing E.A.C. servo brake shoes lined with cast iron. | ||
| View original record | R.R. 493A (40 H) (SL 42 12-7-23). J.H. D. EXPERIMENTAL REPORT Expl. No. 9910 9840 REF: Hs/Rm/1,024.1.24. E.A.C. SERVO. We have tested servo brake shoes lined with cast iron on our testing rig. The… | ||
| Scan240 | E.A.C. servo performance, comparing Ferodo and cast iron liners. | ||
| View original record | R.R. 493A (40 H) (SL 42 12-7-23). J.H., D. EXPERIMENTAL REPORT. Expl. No. 3409 (9918 crossed out) REF: Hs/Rml/KG26.1.24. To R. from Hs/Rm. c. to CJ. RG. c. to DA. E. c. to BY. WOR. S E C R E T. E.A.C.… | ||
| Scan241 | Comparing brake performance with latest modified leverage versus standard leverages. | ||
| View original record | R.B. 403A (40 H) (SL 42 12-7-23). J.H., D. EXPERIMENTAL REPORT. Expl. No. 9910 X9910 REF Hs/Rm/LG26.1.24. 17 lbs.ft. at 500 drum r.p.m. without over-heating. LATEST MODIFIED LEVERAGE. (Instructions… | ||
| Scan242 | Confirmation of a telegram suggesting a test on rear brakes by removing the non-wrapping shoe. | ||
| View original record | X3409 X719 CONFIRMATION OF TELEGRAM. WEST WITTERING. 29.1.24. HIVES, ROYCAR, DERBY. X.9940 X.3409 SUGGEST REMOVING NON-WRAPPING SHOE FROM REAR BRAKES FOR PURPOSE OF TEST THIS SHOULD DOUBLE APPARENT… | ||
| Scan243 | Tests on brake friction, referencing an attached chart from Ferodo. | ||
| View original record | To R. from Hs. c. to CJ. RG. c. to E. DA. c. to BY. X719 V8009 Hs3/LG14.2.24. Tests are in progress to obtain reliable results on actual brakes between friction at rest and sliding. We attach chart… | ||
| Scan244 | Receipt of 16 sample 'HALO' Metallic Brake Shoes for practical testing. | ||
| View original record | X4388 Hs. from ROY. ------------------ ROY5/LG30.1.24 The Scandinavia Belting Company write this morning that they have despatched 16 further sample "HALO" Metallic Brake Shoes, Piece No. 6130, and… | ||
| Scan245 | Secret memo discussing the cause of 'brake jaggers' (judder), raising objections to a theory, and suggesting further tests. | ||
| View original record | To Hs. from Da. S E C R E T. DAL/H30.1.24. E. A. C. BRAKE JAGGERS. X.9940 X.3409 X.9550. With reference to your Hs3/LG28.1.24., covering a suggested explanation of the cause of brake jaggers, as we… | ||
| Scan246 | Page two of a document discussing the requirements for a damping device. | ||
| View original record | contd:- -2- of this would be to give us an idea of whatsort of damping device would be required to damp it out. DA. | ||
| Scan247 | Internal memorandum requesting an order for 4 Friction Discs from Messrs. Ferodo Ltd. | ||
| View original record | Ms. O.O. from Hs/Rm. X719 Hs/Rm2/LG15. 2. 24. Will you please order for us from Messrs. Ferodo Ltd., 4 Friction Discs - to be made of Ferodo Fibre to the attached drawing G.71536. attc. copy of… | ||
| Scan248 | Letter from Ferodo Limited discussing the properties and application of Ferodo Fibre friction material. | ||
| View original record | X3209 X719 FERODO LIMITED. WIRES: "FRICTION, CHAPEL-EN-LE-FRITH". REGD TRADE MARK. TELEPHONES: 19 & 20 CHAPEL-EN-LE-FRITH. (2 LINES) FERODO FRICTION LININGS. CODES:- 5TH EDITION A.B.C. LIEBER'S.… | ||
| Scan249 | Issues and potential improvements for clutch and servo linings. | ||
| View original record | To Hs. St. RG. E. DA ) FROM R. 4388 c. to CJ. PN. BY. EP. SECRET. R4/M19.2.24. EAC. CLUTCH AND SERVO LININGS. X.4388 X.9300 X.9480 Can we not try the other makes of non-metallic liner for slow speed… | ||
| Scan250 | The co-efficient of static friction of brake shoes. | ||
| View original record | R.R. 403A (40 H) (SL 42 12-7-23). J.H., D. Expl. No. 9940 EXPERIMENTAL REPORT. To R. from Hs/Rm. c. to CJ. RG. c. to E. DA. c. to EY. WOR. S E C R E T. CO-EFFICIENT OF STATIC FRICTION. We have carried… | ||
| Scan251 | Brake and servo friction materials and issues with unequal pressure distribution from the equaliser. | ||
| View original record | R.R. 403A (40 H) (EL 12 12-7-23). J.H., D. EXPERIMENTAL REPORT. Expl. No. 9940 3409 REF: Hs9/LG22.2.24. To R. from Hs. c. to CJ. RG. c. to DA. E. c. to BY. WOR. S E C R E T. BRAKES. It would appear… | ||
| Scan252 | Drawing for an E.A.C. clutch modification, changing the driven disc material from steel to ferodo. | ||
| View original record | +3409 X719 To BY. from E. c. to CJ. RG. HS. S E C R E T. E1/M22. 2. 24. REF: E.A.C. CLUTCH. X.9300 X.9480 X.3409 We send herewith drawing No.LeC.1836., shewing the driven disc of the EAC. clutch made… | ||
| Scan253 | Mr. Royce's suggestions for improving braking by modifying brake shoe design and length. | ||
| View original record | To HS. from DA. c. to RG. S E C R E T X719 DA1/M27.2.24. E. A. C. RE. BRAKE SHOES. X.9940. X.3409. Mr. Royce has repeatedly urged the use of a longer shoe backwards than forwards to improve backward… | ||
| Scan254 | Continued memo discussing results from designs and semi-flexible steel shoes. | ||
| View original record | contd:- -2- heard some results from the designs you already have. This is in view of the urgent other work we have in hand at the present minute. We presume that there are not yet any results from the… | ||
| Scan255 | Mechanical gain, friction, and potential issues in a new slow-speed servo for braking schemes. | ||
| View original record | To HS. from DA. SECRET. ~~X3409~~ X719 DA2/26324. E. A. C. RE. 'AGREED' & RRM. SCHEMES OF BRAKING. X.9940 X.3409 We wired you this morning asking for the mechanical gain from the new slow speed servo… | ||
| Scan256 | Continued memo suggesting a test method for tying two plates together using pins underneath the ferodo plates. | ||
| View original record | contd:- -2- it would be possible to test by putting pins to tie the 2 plates together at as big a radius as possible, that is, just underneath the ferodo plates themselves. DA. | ||
| Scan257 | Letter to Messrs. Ferodo Ltd. regarding an order for friction discs made from Ferodo Fibre. | ||
| View original record | X719 N5409 Hs/Rm1/LG. 15th. Feb. 1924. Messrs. Ferodo Ltd., Sovereign Mills, Chapel-en-le-Frith, England. Dear Sirs, We are sending an order through for some friction discs we require making from… | ||
| Scan258 | Graph showing the average coefficient of friction and temperature rise of Ferodo bonded asbestos lining over time. | ||
| View original record | V3209 AVERAGE CO-EFFICIENT OF FRICTION OF FERODO BONDED ASBESTOS LINING. SPEED & WORK CONSTANT WITH THE TEMPERATURE RISE FROM 70° TO 525° FAH. IN ONE HOUR. TEMPERATURE F° VALUE OF µ PERIPHERAL SPEED… | ||
| Scan259 | Page with handwritten calculations and an office date stamp. | ||
| View original record | Handwritten (rotated 90 degrees): 13458 X3409 X8420 ___ 15940 Stamped: ROLLS-ROYCE LIMITED. PRINT ROOM 8 - MAY 1925 DERBY. | ||
| Scan260 | Instructing the Drawing Office to change the material for servo disc facings from Ferodo to Halo. | ||
| View original record | +4388 Mr. D'Aeth. c. Hs. c. D.O. c. Eft. BY18/H. 5. 6. 24. MATERIAL FOR FACING SERVO DISCS. -------------------------------- Hs. is of the opinion that "Halo" gives rather more consistent results for… | ||
| Scan261 | Request for a report on 40/50 Brake Shoe Liners supplied by 'Scandinavia' Belting Ltd. | ||
| View original record | Hs. X4388 ROY/Ms14/DB25.6.24. 40/50-HP Chassis Mr. E. D. Dalmaine, representative of the "Scandinavia" Belting Ltd., called this afternoon asking if we were yet in a position to report on the 40/50… | ||
| Scan262 | Letter from the Asbestos Brake Lining Association regarding a centralized clearing house for brake and clutch specifications. | ||
| View original record | X3960 ASBESTOS BRAKE LINING ASSOCIATION 17 West Forty-Second Street NEW YORK CITY ARNOLD A. MOWBRAY COMMISSIONER TELEPHONE 2987 LONGACRE Oct. 6th, 1924 Rolls-Royce, Ltd., 15, Conduit Street, London,… | ||
| Scan263 | Data request form for brake lining and clutch facing specifications from the Asbestos Brake Lining Association. | ||
| View original record | It will be appreciated if you will return this information promptly to: ASBESTOS BRAKE LINING ASSOCIATION, 17 West 42nd Street, New York, N. Y. A national co-operative, non-profit making organization… | ||
| Scan264 | Data request form from the Asbestos Brake Lining Association for brake lining and clutch facing specifications. | ||
| View original record | It will be appreciated if you will return this information promptly to: ASBESTOS BRAKE LINING ASSOCIATION, 17 West 42nd Street, New York, N. Y. A national co-operative, non-profit making organization… | ||
| Scan265 | High scrap rates for Slipper Drive Friction Discs and a proposal to test a new material. | ||
| View original record | Y 4388 C327 Hs. -- BYS/H. 21. 10. 24. ------------------ SLIPPER DRIVE FRICTION DISCS. ----------------------------- At the moment we are using Continental Bakelite Friction Discs. We are having to… | ||
| Scan266 | Receiving brake shoe linings made from Brasbestos material for experimental purposes on the 20-HP chassis. | ||
| View original record | Hs. 45539 BY/HM14/W.20.11.24. 20-HP. CHASSIS. BRAKE SHOE LININGS. The Scandinavian Belting Co. Ltd. recently sent us a sample of brake shoe linings made from their Brasbestos material, and as one shoe… | ||
| Scan267 | Improved form of brake lining from Creswell of Bradford with a coefficient of friction of .45. | ||
| View original record | ~~DY.~~ from ROY. c. to Hs. ---------------- X3409 ROY13/MG6.5.25. ---------------- Creswell, of Bradford advise they have recently brought out what they consider an improved form of Brake Lining, in… | ||
| Scan268 | Internal order request for half a dozen Ferodo Discs to drawing G.52141. | ||
| View original record | Wd/Ms. from Hs. X719 [3489 crossed out] Hs/LG22.5.25. Will you please order for us :- 1/2 doz. Ferodo Discs to Drg. G.52141. Hs. | ||
| Scan269 | Letter from British Belting & Asbestos Ltd concerning clutch and brake lining performance data. | ||
| View original record | C. & S. N. 972. 2 C.R. (C'ton). Enclosures. (E.D.D.) X3409 BRITISH BELTING & ASBESTOS LTD PHONE - WHOLESALE DEPT CENTRAL 979 SERVICE DEPT HOP. 6875 TELEGRAPHIC ADDRESS SCANDINAVIA BORO' LONDON 59,… | ||
| Scan270 | Requesting that two other cars being built are fitted with the newly approved 'India' servo parts for testing. | ||
| View original record | 4388 To RHC. from Hs/Rm. Hs/Rml/LG14.7.25. 'INDIA' SERVO. X5375 The present 'India' servo recently submitted to R. and approved by him, was Halo lined, fitted with 45° cams of .7" mean radius. We… | ||
| Scan271 | Covering letter forwarding correspondence from John G. Cloke regarding brake blocks used on Sunbeams. | ||
| View original record | S/W. Hs. Y/3209 Hr1/EP/16.7.25. I attach copy of letter we have received from John G. Cloke - which has to do with some brake blocks which are used on the Sunbeams. I have just acknowledged his letter… | ||
| Scan272 | Letter proposing a new 'antithermal' friction material for brake blocks and clutch inserts. | ||
| View original record | (COPY) Woodland View, Devon Gt. Consols, Tavistock. 14/7/25. The Rolls-Royce Motor Co., Ltd., 14-15 Conduit Street, London, W.1. Dear Sirs, Antithermal Materials. I am sending you one "Sunbeam brake… | ||
| Scan273 | Letter discussing a soft yielding antithermal pad for friction applications. | ||
| View original record | -2 - on a soft yielding pad such as antithermal that will remain permanent during the life of both rubbed and rubbing surfaces and continually give the ideal friction grip and at the same time… | ||
| Scan274 | Proposed response to a J.G. Cloke regarding an unsolicited 'Antithermal Material' sample. | ||
| View original record | W/S. To Hr. from Hs. V3409 Hs5/LGl 8. 7. 25. ANTITHERMAL MATERIAL. With reference to the letter from J.G. Cloke referring to the above. We are not interested in the pieces of wood and we are returning… | ||
| Scan275 | Ferodo Ltd's materials for main clutches and servo clutches. | ||
| View original record | x719 HS. RHO! BY7/H. 21.9.25. FERODO LTD'S MATERIAL FOR MAIN CLUTCHES AND SERVO CLUTCHES. ------------------------------------------------------ The material delivered is of two types:- 1. Ferobestos… | ||
| Scan276 | Drilling difficulties with Ferobestos non-squeaking brake liners supplied by Ferodo Ltd. | ||
| View original record | Hs. from Wd. c. to By c. to CO/Dn. x719. X8361 Wd/NWJ25.9.25. Ferodo Ltd. X.8361 and X.3539. for:- On the 25th ult. we sent Ferodo Ltd. our order 46587 48 Standard Brake Shoes G.70007 72 Brake Liners… | ||
| Scan277 | Efficiency of servos and the recommended method for measuring it. | ||
| View original record | To EY. from Hs. c. to EP. 4388 Hsl/LG16.11.25. +8370 X5370 EFFICIENCY OF SERVOS. From the appearance of the Halo taken off 103-MC we should say that these were not the cause of the inefficient servo.… | ||
| Scan278 | Comparison of the coefficient of friction over time for mild steel on cast iron versus 'Halo' asbestos brake lining. | ||
| View original record | CO-EFFICIENT OF FRICTION MILD STEEL ON CAST IRON AVERAGE CO-EFFICIENT OF FRICTION = 0.278 MINUTES CO-EFFICIENT OF FRICTION "HALO" PATENT WOUND NON-METALLIC ASBESTOS BRAKE LINING AVERAGE CO-EFFICIENT… | ||
| Scan279 | Letter from Ferodo Limited discussing collan oil as a dressing for asbestos brake linings and the causes of brake squealing. | ||
| View original record | FERODO LIMITED. WIRES: "FRICTION, CHAPEL-EN-LE-FRITH". TELEPHONES: 19, 20 & 21 CHAPEL-EN-LE-FRITH (3 LINES). CODES: 5TH EDITION A.B.C. LIEBER'S. MARCONI INTERNATIONAL. WESTERN UNION FIVE LETTER EDS.… | ||
| Scan280 | Letter from Ferodo Limited discussing brake lining noise, glazing, and performance comparisons. | ||
| View original record | From FERODO LIMITED. 19/2/26. Sheet No. - 2 - Messrs Rolls Royce, Limited. ordinary testing work we frequently get loud whistling when running a piece of lining against a solid steel drum weighing… | ||
| Scan281 | Comparison of the coefficient of friction over a 10-minute period for 'Mintex' flexible brake lining versus Cast Iron on Cast Iron. | ||
| View original record | Handwritten Top: X719, K3409 (crossed out) Handwritten Right: 61802, 61803 Top Graph: CO-EFFICIENT OF FRICTION "MINTEX" FLEXIBLE BRAKE LINING (WOVEN ASBESTOS & BRASS WIRE) AVERAGE CO-EFFICIENT OF… | ||
| Scan282 | Letter to Ferodo Ltd. confirming a thorough test on 'Ferobestos' impregnated with oil compounds for its anti-squeaking properties. | ||
| View original record | X719 ¥3409 Expl: Dept: Hs/Rm5/LG. 21/1/26 Messrs. Ferodo Ltd., Sovereign Mills, Chapel-en-le-Frith. Dear Sirs, We thank you for your letter FJF/DHL. of the 19th. inst., the contents of which we have… | ||
| Scan283 | The despatch of Ferobestos brake linings to Messrs. Ferodo. | ||
| View original record | To Wd/Ms. from Hs/Rm. c. to Mr. Chatwin. Handwritten: X719 H3409 Hs4/LG12.2.26. We are sending into the Stores to be despatched to Messrs. Ferodo, Chapel-en-le-Frith :- 2 portions of Ferobestos brake… | ||
| Scan284 | Letter to Ferodo regarding the testing of 'Ferobestos' brake lining and issues with brake squeaks. | ||
| View original record | X719 V3409 Expl: Dept: Hs/Rm2/LG. 12th. Feb. 1926. Messrs. Ferodo, Chapel-en-le-Frith. Dear Sirs, We are sending you a portion of 'Ferobestos' lining which has completed one of our 10,000 miles tests.… | ||
| Scan285 | Experiment with 'Perlit' brake shoe material. | ||
| View original record | X340S RHC. c. HS. BY5/H. 1.3.26. Order Office have sent along to you one brake shoe pot T.1886, which has been made in special "Perlit" iron. The object of the "Perlit" process is to obtain close… | ||
| Scan286 | Advertisement for 'Fibrent' pure asbestos brake linings, friction linings, super motor jointing and asbestos millboard. | ||
| View original record | 43409 "FIBRENT" PURE ASBESTOS BRAKE AND FRICTION LININGS. SUPER MOTOR JOINTING, ASBESTOS MILLBOARD. Contractors to H.M. Admiralty and War Office. REGISTERED FIBRENT TRADE MARK British Manufacture.… | ||
| Scan287 | Advertisement and price list for 'Fibrent' asbestos brake linings. | ||
| View original record | BRAKE FIBRENT LINING. Can be obtained through any garage at the following prices per foot. WIDTH | THICKNESS Ins. | M.M | 1/8" 3.17 | 5/32" 3.97 | 3/16" 4.76 | 1/4" 6.35 | 5/16" 7.94 | 3/8" 9.52 |… | ||
| Scan288 | Advertisement for Fibrent asbestos brake lining by British Fibro Asbestos Products, Ltd. | ||
| View original record | FIBRENT - The Lining with a GRIP. REGISTERED FIBRENT TRADE MARK BRITISH FIBRO ASBESTOS PRODUCTS, LTD., (Associated with the British Fibrocement Works, Limited.) Head Office and Works: ERITH, KENT.… | ||
| Scan289 | Letter chasing up a promised delivery of brake lining, stated to be free from squeaking tendencies, from Messrs. Ferodo. | ||
| View original record | X719 430009 Expl: Dept: Hs/Rml/LG. 13th. Mar. 1926. Messrs. Ferodo, Chapel-en-le-Frith, England. Dear Sirs, With reference to your letter of the 19th. ult. in which you promised to send us some Brake… | ||
| Scan290 | Letter from Ferodo Limited concerning a delay in supplying experimental brake linings and a reference to Colan oil. | ||
| View original record | FERODO LIMITED. WIRES: "FRICTION, CHAPEL-EN-LE-FRITH" TELEPHONES: 19, 20 & 21 CHAPEL-EN-LE-FRITH. (3 LINES) CODES:- 5TH EDITION A.B.C. LIEBER'S. MARCONI INTERNATIONAL. WESTERN UNION FIVE LETTER EDS.… | ||
| Scan291 | Letter to Ferodo Ltd. regarding the supply and testing of oil impregnated and bonded asbestos brake linings. | ||
| View original record | X719 Expl: Dept: Hs/Rn3/LG. 12th. April 1926. Messrs. Ferodo Ltd., Chapel-en-le-Frith, England. Dear Sirs, For the attention of Mr. Field. We are in receipt of the oil impregnated brake lining which… | ||
| Scan292 | Letter from Ferodo Limited regarding an omission of parts for 20 HP and 40/50 HP cars in a consignment of experimental brake linings. | ||
| View original record | X719 XZ409 FERODO LIMITED. WIRES: "FRICTION, CHAPEL-EN-LE-FRITH." FERODO REGISTERED FRICTION LININGS TELEPHONES: 19, 20 & 21 CHAPEL-EN-LE-FRITH. (3 LINES) CODES: 5TH EDITION A.B.C. LIEBER'S MARCONI… | ||
| Scan293 | Experiments with brake linings and lubricants to overcome squeaking front brakes. | ||
| View original record | To R. from Hs/Rm. c. to BJ. RG. c. to E. Da. c. to BY. Wor. X719 Hs/Rm1/LG17.4.26. SQUEAKING FRONT BRAKES. X8420 We have in hand some experiments with a view to overcoming this trouble. We know that… | ||
| Scan294 | Instructing stores to send two clutch plates to Ferodo Ltd. to have friction material die-pressed onto them. | ||
| View original record | To B.P. from Hs/Rm. c. to Mt. X719 Hs/Rm2/LG20.4.26. We are sending into the Stores for despatch to Messrs. Ferodo Ltd., Sovereign Mills, Chapel-en-le-Frith, England :- 2 Clutch Plates. They are going… | ||
| Scan295 | Letter to Ferodo Ltd. regarding the development and testing of clutch plates with moulded friction fabric for 40/50 HP and 20 HP cars. | ||
| View original record | X5489-X719 Expl: Dept: 20th. April 1926. Hs/Rml/LG. Messrs. Ferodo Ltd., Sovereign Mills, Chapel-en-le-Frith, England. Dear Sirs, For the attention of Mr. Field. We are forwarding to you - 2 Clutch… | ||
| Scan296 | Letter from Ferodo Limited concerning the materials and production of special clutch discs. | ||
| View original record | FERODO LIMITED. WIRES: "FRICTION, CHAPEL-EN-LE-FRITH". Depots. LONDON 222, TOTTENHAM COURT ROAD, W.1. BIRMINGHAM 202, CORPORATION STREET. MANCHESTER 32, CATHEDRAL STREET. LIVERPOOL 1-3, BERRY STREET.… | ||
| Scan297 | Testing of new Ferodo Bonded Asbestos brake linings for models 11-G-11 and 12-EX. | ||
| View original record | To R.I.C. from Hs./Rm. X719 V S2409 Hs/Rm2/LG27.4.26. FERODO BRAKE LININGS. With reference to the new type of brake lining material to be fitted to 11-G-11 and 12-EX. Messrs. Ferodo have sent us 3… | ||
| Scan298 | Letter to Ferodo Ltd. requesting the co-efficient of friction and wearing qualities for newly received anti-squeaking brake linings. | ||
| View original record | X719 Y30009 Expl: Dept: Hs/RmS/LG. 27th. April 1926. Messrs. Ferodo Ltd., Sovereign Mills, Chapel-en-le-Frith. Dear Sirs, For the attention of Mr. Field. We thank you for the special anti-squeaking… | ||
| Scan299 | Letter from Ferodo Limited detailing the coefficient of friction and wear characteristics of an experimental brake lining. | ||
| View original record | [Handwritten at top: X719 43409] FERODO LIMITED. WIRES: "FRICTION, CHAPEL-EN-LE-FRITH". TELEPHONES: 19, 20 & 21 CHAPEL-EN-LE-FRITH. (3 LINES) Depots. LONDON 222, TOTTENHAM COURT ROAD, W.1. BIRMINGHAM… | ||
| Scan300 | Letter to Messrs. Ferodo Ltd. regarding the delivery status of 40/50 HP clutch plates. | ||
| View original record | x719 K3609 Expl: Dept: Hs/Rm2/LG. 29th. April 1926. Messrs. Ferodo Ltd., Sovereign Mills, Chapel-en-le-Frith. Dear Sirs, For the attention of Mr. Field. With reference to the 40/50 HP. Clutch Plates… | ||
| Scan301 | Letter from Ferodo Limited regarding a delay in the preparation of experimental clutch plates. | ||
| View original record | Handwritten: X719 KS609 FERODO LIMITED. WIRES: "FRICTION, CHAPEL-EN-LE-FRITH." TELEPHONES: 19, 20 & 21 CHAPEL-EN-LE-FRITH. (3 LINES) [Logo Text: FERODO REGISTERED FRICTION LININGS] CODES:- 5TH EDITION… | ||
| Scan302 | Decision to replace the 20 HP dynamo pinion brake component with a new die-pressed Ferobestos part. | ||
| View original record | X5539 BY/SS. Hs. ~~wd.~~ BY8/H. 7.5.26. 20 HP. DYNAMO PINION BRAKE. It is agreed that we cut out the combined brake piece made of metal with a facing of red fibre, and replace same with a die-pressed… | ||
| Scan303 | Letter to Ferodo Ltd. regarding experiments with anti-squeaking brake lining and clutch plate materials. | ||
| View original record | X5409 (crossed out) X719 Expl: Dept: Hs/Rm5/LG. 19th. May 1926 Messrs. Ferodo Ltd., Sovereign Mills, Chapel-en-le-Frith. Dear Sirs, For the attention of Mr. Field. With reference to the anti squeaking… | ||
| Scan304 | Request to dispatch a 40/50 HP Clutch Plate to Messrs. Ferodo Ltd. | ||
| View original record | X7F Y/5407 To D/BP. from Hs/Rm. c. to Mt. Hs/Rm6/LG19.5.26. Will you please despatch to Messrs. Ferodo Ltd., Sovereign Mills, Chapel-en-le-Frith :- 1 = 40/50 HP. Clutch Plate E73506. Will you please… | ||
| Scan305 | Letter from Ferodo Limited agreeing to supply brake linings and discussing the manufacturing of a clutch plate. | ||
| View original record | FERODO LIMITED. WIRES: 'FRICTION, CHAPEL-EN-LE-FRITH'. TELEPHONES: 19, 20 & 21 CHAPEL-EN-LE-FRITH. (3 LINES) CODES:- 5TH EDITION A.B.C. LIEBER'S. MARCONI INTERNATIONAL. WESTERN UNION FIVE LETTER EDS.… | ||
| Scan306 | Issues with an experimental 12-EX clutch and potential friction materials. | ||
| View original record | To Hs. from R. c. to BJ. Wor. RG. c. to BY. CWB. BY. c. to PN. E. AJS. X719 RE. 12-EX CLUTCH. X.7300 X.3409 With reference to the trouble with this it will be understood that this is not a standard… | ||
| Scan307 | Letter from Ferodo Limited concerning the forwarding of a 20HP Clutch Disc for testing. | ||
| View original record | X719 T3409 FERODO LIMITED. WIRES: "FRICTION, CHAPEL-EN-LE-FRITH." TELEPHONES: 19, 20 & 21 CHAPEL-EN-LE-FRITH. (3 LINES) FERODO REGISTERED. FRICTION LININGS CODES:- 5TH EDITION A.B.C. LIEBER'S. MARCONI… | ||
| Scan308 | Letter from Ferodo Limited regarding the completion and dispatch of 40/50 HP Clutch Plates. | ||
| View original record | x719 £3007 FERODO LIMITED. WIRES: "FRICTION, CHAPEL-EN-LE-FRITH." TELEPHONES: 19, 20 & 21 CHAPEL-EN-LE-FRITH. (3 LINES) Depots. LONDON 222, TOTTENHAM COURT ROAD, W.1. BIRMINGHAM 202, CORPORATION… | ||
| Scan309 | Order confirmation from Ferodo Limited for steel clutch discs lined with friction material. | ||
| View original record | FERODO FRICTION LININGS TELEGRAMS: "FRICTION, CHAPEL-EN-LE-FRITH." (TWO WORDS) TELEPHONES: Nos. 19, 20 & 21 CHAPEL-EN-LE-FRITH. FERODO LIMITED, SOVEREIGN MILLS, CHAPEL-EN-LE-FRITH, Via STOCKPORT YOUR… | ||
| Scan310 | Advice note from Ferodo Limited for lined steel discs. | ||
| View original record | ADVICE NOTE. FERODO LIMITED, SOVEREIGN MILLS, CHAPEL-EN-LE-FRITH. Via STOCKPORT. YOUR ORDER No... Instrn... 4-6-26 4-6-26 PLEASE QUOTE 61611 IN ANY REFERENCE. 14/2 Messrs Rolls Royce. Ltd Derby. June… | ||
| Scan311 | Performance concerns for a new Ferodo brake material related to heat, moisture, and rusting of the brake drums. | ||
| View original record | To Hs. from R. c. to BJ. BY. X719 X5009 R17/110.6.26. RE. BRAKE MATERIAL. X.3409 X.4111 X.8420 (1) With regard to the new ferodo material E. wonders whether it will alter its characteristics after… | ||
| Scan312 | Letter to Ferodo Ltd. regarding the testing of oil-impregnated brake and clutch linings. | ||
| View original record | Y3409 X719 Expl: Dept: Hs/Rml/LG. 16th. June 1926. Messrs. Ferodo Ltd., Sovereign Mills, Chapel-en-le-Frith, England. Dear Sirs, For the attention of Mr. Field. We thank you for the opportunity of… | ||
| Scan313 | Proposal from supplier Morgan, Crossley & Co. for their TENOID asbestos brake linings, claimed to be superior to Ferodo. | ||
| View original record | BY from ROY. c. to Hs. X3409 ROY3/MG9.11.26 Brake Linings Messrs. Morgan, Crossley & Co., of Miles Platting, Manchester, claim that they are producing Brake Lining superior, in their opinion, to… | ||
| Scan314 | Technical memorandum discussing the issue of squeaking brakes and potential solutions. | ||
| View original record | To Hy. from Hs/Rm. c. to WOR. X719 Hs/Rm5/LG19.11.26. SPRINGFIELD. X8470 QUESTION 24. With reference to Hy36/W16.11.26. We have no definite cure for squeaking brakes. The best palliative which we have… | ||
| Scan315 | Letter to Morgan, Crossley & Co. Ltd. acknowledging receipt of information on brake linings, which is being returned. | ||
| View original record | X.3409 Hs/Rml/LG. Expl: Dept: 14th. Dec. 1926 Messrs. Morgan, Crossley & Co. Ltd., Ducie Mills, Miles Platting, Manchester. Dear Sirs, We thank you for the information in connection with your Brake… | ||
| Scan316 | Modifying brake shoes to eliminate squeaks on the 40/50 HP lightened axle. | ||
| View original record | To R. from Hs/Rn. c. to Ev. Wor. c. to RG. E. c. to BA. BY. X5409 X719 Hs/Rnl/LG15.12.26. 40/50 HP. BRAKE SQUEAKS. X5409 x8470 During our recent trouble with brake squeaks on the 40/50 lightened axle,… | ||
| Scan317 | Ongoing testing of brake components, including duralumin shoes, drum dampers and brake straps. | ||
| View original record | contd :- -2- straps without any detrimental results. The shoes we are using are castings, the front braking is standard. Therefore/with duralumin shoes and reduced front braking, there should be a… | ||
| Scan318 | Blueprint showing a modification to brake shoes to cure squeaks. | ||
| View original record | SECTION A.A CUT AWAY HERE MODIFICATION TO BRAKE SHOES TO CURE SQUEAKS | ||
| Scan319 | Blank page with a red stamp in the bottom right corner. | ||
| View original record | ROLLS ROYCE PHOTO 15 DEC. 1926 DERBY. | ||
| Scan320 | Two sample sets of brake linings from Messrs. Morgan Crossley & Co. Ltd. for testing. | ||
| View original record | +3409 Hs. from ROY. ROY5/MG11.1.27 Brake Linings Herewith two sample sets of Brake Linings submitted by Messrs. Morgan Crossley & Co.Ltd, of Miles Platting, Manchester, following our conversation with… | ||
| Scan321 | Letter from Ferodo Limited requesting an opinion on sample clutch plates submitted for testing. | ||
| View original record | FERODO LIMITED. Handwritten notes at top: X719 Y3409 WIRES: 'FRICTION, CHAPEL-EN-LE-FRITH'. TELEPHONES: 19, 20 & 21 CHAPEL-EN-LE-FRITH. (3 LINES) CODES:- 5TH EDITION A.B.C. LIEBER'S. MARCONI… | ||
| Scan322 | Letter to Ferodo Ltd. requesting material suggestions and a quote for Hand Starter Clutch discs. | ||
| View original record | X719 Expl: Dept: Hs/Rm4/LG. 31st. Jan. 1927 Messrs. Ferodo Ltd., Chapel-en-le-Frith. Dear Sirs, For the attention of Mr. Field. We require some discs for a Hand Starter Clutch. These discs are always… | ||
| Scan323 | Properties and potential cost savings of two types of brake linings from Morgan Crossley & Company. | ||
| View original record | Hs. from ROY. X3408 ROY2/MG15.2.27 Brake Linings Can we help you any further with the tests you are making with the two types of Brake Lining ex Messrs. Morgan Crossley & Company? The type "F" you… | ||
| Scan324 | Cover letter for test reports on a lining from Morgan Crossley Co. conducted by the National Physical Laboratory. | ||
| View original record | Hs from ROY. [text has been struck through] c. to Rm. X3409 ROY4/MG13.4.27 The Morgan Crossley Co., of Miles Platting, Manchester, have recently had further tests carried out with their Lining by the… | ||
| Scan325 | Lining tests conducted by the National Physical Laboratory for Morgan Crossley Co. | ||
| View original record | Hs. from ROY. C to Rmr. X3709 ROY4/MG13.4.27 The Morgan Crossley Co., of Miles Platting, Manchester, have recently had further tests carried out with their Lining by the National Physical Laboratory,… | ||
| Scan326 | Report from the National Physical Laboratory on a wear test of bonded asbestos brake lining material. | ||
| View original record | NATIONAL PHYSICAL LABORATORY, TEDDINGTON. (Engineering Dept.) REPORT on Wear Test of a sample of bonded asbestos brake lining material supplied by Messrs. Morgan, Crossley & Co. Ltd. of Manchester,… | ||
| Scan327 | Engineering department test report detailing the particulars and results of a wear test on material strips. | ||
| View original record | N. P. L. ENGINEERING DEPARTMENT TEST MARK = DHQ.1. SENDERS MARK T(C). The method of test and apparatus used was described in our Report of October 20th., 1926, ref. DCP/CJ. The material was supplied… | ||
| Scan328 | Test report on a material's resistance to wear and coefficient of friction. | ||
| View original record | CONCLUSIONS. A material with a very good resistance to wear and a very constant coefficient of friction. N.P.I. ENGINEERING DEPARTMENT TEST MARK = DHQ.2. SENDERS MARK= T(L). The method of test and… | ||
| Scan329 | Record of a material wear and friction test, with tabulated results and conclusions. | ||
| View original record | RECORD OF TEST. Time Hour hour Load; lbs. per sq.in. Speed; ft. per min. Temp. at end of run. °C. Coefficient of friction. Max. Min. Mean. 0 to 1 13.6 4480 78 .35 .29 .32 1 to 2 " 4500 79 .36 .32 .36… | ||
| Scan330 | The procurement and testing of Tenoid brake linings for 40/50 HP and 20 HP cars. | ||
| View original record | X3409. To ROY. from Hs/Rm. Hs/Rml/LG21.4.27. TENOID BRAKE LININGS. We wish to test some more Tenoid brake linings on 40/50 HP. and 20 HP. cars. Unfortunately there was no distinguishing mark on the… | ||
| Scan331 | Clarifying which samples of Tenoid brake linings are required, either Type 'F' or Type 'T'. | ||
| View original record | X3409 Hs/Rm. from ROY. ROY4/MG22.4.27 ---------------- TENOID BRAKE LININGS I am not quite clear from your note whether you want additional samples of both types, i.e. Type "F", which is more flexible… | ||
| Scan332 | Request for two types of Tenoid brake lining material. | ||
| View original record | To Roy. from Hs/Rn. X3409 Hs/Rm1/LG23.4.27. RE. TENOID BRAKE LININGS. With reference to ROY4/MG22.4.27. We should like both types of material. Hs/Rn. | ||
| Scan333 | New design for a silent brake stop on the 40/50 HP model. | ||
| View original record | To RHC. from Hs/Rm. X719 X8360 X719-a Hs/Rm3/LG28.4.27. Herewith a sketch of the silent brake stop for the 40/50 HP. foot brake levers on the rear axle. In addition to the stop shewn we should like to… | ||
| Scan334 | Advising of a two to three week delay for specially made Tenoid Brake Linings from Morgan Crossley. | ||
| View original record | Hs/Rm. from ROY. X3909 ROY12/WG2.5.27 Tenoid Brake Linings Morgan Crossley advise that it will be some two or three weeks before the further sample Tenoid Linings are available, these being, as you… | ||
| Scan335 | The unsuitability of 'T' type Tenoid Brake Linings due to squeaking, leading to an order cancellation. | ||
| View original record | To Roy. from Hs/Rn. X3409 Hs/Rn3/LG11.5.27. On continuing our tests on Tenoid Brake Linings, we find that type 'T' is quite unsuitable because the car upon which this was fitted started to squeak… | ||
| Scan336 | Instruction note regarding the receipt of Ferodo brake linings for 20 HP and 40/50 models. | ||
| View original record | RR 300 (48 BKS.) (DD 711 25-1-26) MP 333764 3 Sets 20 H.P. Front X3409 Rear. + Set 40/50 Front & Rear. 141118 ROLLS-ROYCE LTD. INSTRUCTIONS. To Mr Hives 31-5- 1927 Order No. Customer's No. Re Please… | ||
| Scan337 | Requirement for front brake linings only for a 40/50 HP car. | ||
| View original record | To Roy. from Hs/Rn. X3409 Hs/Rm3/LG3.6.27. With reference to Morgan Crossley's letter of the 2nd. June attached. We only require linings for the front brakes of the 40/50 HP. car. We do not get brake… | ||
| Scan338 | Order for Tenoid Brake Linings for 40/50 HP and 20 HP chassis. | ||
| View original record | Hs/Rm from ROY. X3409 ROY20/MG13.6.27 Tenoid Brake Linings The Brake Linings ordered on April 26th.1927, in accordance with your instructions are as follows:- 2 complete sets for our 40/50 HP. Chassis… | ||
| Scan339 | Customer dispute over the refusal to fit 'Tenoid' brake linings to a Pre-war S.G. Chassis. | ||
| View original record | To Hs/Rm. X3409 Hm/WW6/W19.8.27. Pre-war type S.G. Chassis No. 3-EB. H. Morgan Esq. The above car is in the Repair Dept. for chassis repairs, one of the Jobs being relining of the Brake. Mr. Morgan… | ||
| Scan340 | Testing and performance of 'T' and 'F' type Tenoid brake linings. | ||
| View original record | To Hm/WW. from Hs/Rn; 43409. Hs/Rn5/LG19.8.27. TENOID BRAKE LINING. With reference to Hm/WW6/W19.8.27. We have never had any bulk quantity of Tenoid, nor have we tested this lining in France. We have… | ||
| Scan341 | The performance and mileage of Tenoid brake linings fitted to various cars. | ||
| View original record | Y3409. To Hs/Rm. from Hs/AJL. 20.8.27. The following cars have been fitted with Tenoid brake lining. 8-EX. Tenoid 'T'. on front brakes : ran 2231 miles before being discarded. 14-EX. Tenoid 'F' on… | ||
| Scan342 | Questioning the advertising claims of Raybestos Co. regarding their clutch linings. | ||
| View original record | To Roy. from Hs. X3409. HS3/LG8.9.27. We notice that the Raybestos Co, Asbestos House, Southwark St., London S.E.1 are advertising that there is no shuddering and grabbing with their clutch linings.… | ||
| Scan343 | Query requesting information on Morgan Crossley Brake Linings currently under observation. | ||
| View original record | Hs. from ROY. Y3409 ROY8/MG17.9.27 Would you kindly advise if you can give us any information now regarding the Morgan Crossley Brake Linings you have under observation. Would you like any further… | ||
| Scan344 | Letter from Morgan, Crossley & Co. Ltd. proposing a meeting to discuss test results for TENOID Brake Lining. | ||
| View original record | STAND +3409. BRANCHES: RIPLEY <> CHESTERFIELD LONDON OFFICE 121 NEWGATE STREET E.C. TEL. NO. CENTRAL 7290. TRADE MARK TELEPHONE NOS. CITY 10 & 11 TEL. ADDRESS "WICK" MORGAN, CROSSLEY & CO. LTD. MILES… | ||
| Scan345 | Requesting a reply regarding Morgan Crossley Brake Linings currently under observation. | ||
| View original record | Y-3409. Hs. from ROY. ROY24/MG21.10.27 Brake Linings Would you kindly advise if you can now let us have a reply to ROY8/MG17.9.27 re the Morgan Crossley Brake Linings you have under observation. We… | ||
| Scan346 | Quality requirements for an order of brake linings from supplier Morgan Crossley & Co. | ||
| View original record | Y3409 To Roy. from Hs/Rm. Hs/Rm6/LG26.10.28. BRAKE LININGS. Further to our Hs/Rm3/LG26.10.27. We require 32 brake linings to G.74743, and 16 to G.74250 from Messrs. Morgan Crossley & Co. The only… | ||
| Scan347 | Request for drawings of a special type of Tenoid brake lining for a 40/50 HP 10,000-mile test. | ||
| View original record | To BY/SS. from Hs/Rn. X3409 Hs/Rm4/LG26.10.27. TENOID BRAKE LININGS. We are preparing to order a special type of brake lining for the next 40/50 HP. 10,000 miles test. Will you therefore please supply… | ||
| Scan348 | The failure of two types of Tenoid brake linings from Morgan Crossley to be squeak-proof and arranging a new test. | ||
| View original record | To Roy. from Hs/Rn. X3409 Hs/Rm3/LG26.10.27. TENOID BRAKE LININGS. -------------------- Neither of the two types of lining which were submitted by Messrs. Morgan Crossley were squeak-proof. We are not… | ||
| Scan349 | 10,000-mile test for TENOID brake linings. | ||
| View original record | To RHC. from Hs/Rm. Y3469 Hs/Rm7/LG26.10.27. BRAKE LININGS - 10,000 MILES TEST. We are arranging to run TENOID brake linings throughout on this car. Will you therefore please refrain from building up… | ||
| Scan350 | Letter to Messrs. Morgan Crossley & Co. Ltd. rejecting two types of brake lining due to a tendency to squeak. | ||
| View original record | X3409 Expl: Dept: Hs/Rn2/LG. 26th. Oct. 1927. Messrs. Morgan Crossley & Co.Ltd., Miles Platting, Manchester. Dear Sirs, With reference to your letter of the 20th.inst. Neither of the two types of… | ||
| Scan351 | Letter to Morgan Crossley & Co. Ltd. discussing brake lining pressure and coefficients of friction. | ||
| View original record | 73409 Expl: Dept: Hs/Rn4/LG. 28th. Oct. 1927. Messrs. Morgan Crossley & Co. Ltd., Miles Platting, Manchester. Dear Sirs, Further to our conversation with your representative today. We find that the… | ||
| Scan352 | Requesting an urgent order for Tenoid brake linings for a test car, noting previous quality control issues. | ||
| View original record | To Roy. from Hs/Rn. X3409 Hs/Rn4/LG11.11.27. TENOID BRAKE LININGS. Further to our Hs/Rn6/LG26.10.27. The first car we are sending to France will now be a standard 40/50 HP. We therefore require 2 sets… | ||
| Scan353 | Letter from Morgan, Crossley & Co. Ltd. confirming the dispatch of ready-drilled linings for order 71772. | ||
| View original record | X3409 BRANCHES: RIPLEY & CHESTERFIELD LONDON OFFICE 121, NEWGATE STREET E.C. TEL. N° CENTRAL 7290. TRADE MARK MORGAN, CROSSLEY & CO. LTD. MILES PLATTING MANCHESTER TELEPHONE NOS. CITY 10 & 11 TEL.… | ||
| Scan354 | Letter from a supplier regarding brake squeak issues and arranging a meeting to discuss a new material. | ||
| View original record | C & S. O. 303 EDD. X3409 BRITISH BELTING & ASBESTOS LTD MANUFACTURERS OF TEXTILE BELTINGS & FRICTION FABRICS PHONE - WHOLESALE DEPT CENTRAL 979 SERVICE DEPT HOP. 6875 TELEGRAPHIC ADDRESS 'SCANDINAVIA'… | ||
| Scan355 | Letter from Raybestos-Belaco Ltd. regarding the enclosure of a Reference Book and future data sheets. | ||
| View original record | CABLES: 'RAYBELAC, LONDON.' TELEGRAMS: 'RAYBELAC, BOROH, LONDON.' THE SOCIETY OF MOTOR MANUFACTURERS & TRADERS LTD. TELEPHONE No. HOP 4040 (4 LINES) BENTLEY'S, WESTERN UNION & LETTER CODES.… | ||
| Scan356 | Letter to Messrs. Raybestos-Belaco Ltd. acknowledging receipt of information and promising to share compiled data. | ||
| View original record | +3489 Hs/Rm2/LG. Expl: Dept: 3rd. Dec. 1927. Messrs. Raybestos-Belaco Ltd., 59, Southwark Street, [text struck through] 29, Peter Street, Manchester. Dear Sirs, For the attention of Mr. Saunders. We… | ||
| Scan357 | Letter to British Belting Ltd. regarding the postponement of further tests on brake linings. | ||
| View original record | +3409 Hs/Rm2/LG. Expl: Dept: 8th. Dec. 1927. Messrs. British Belting Ltd., 59, Southwark Street, London S.E.1. Dear Sirs, Clutch and Brake Lining Dept. We are at present running several tests on brake… | ||
| Scan358 | Internal request to obtain various brake linings from Raybestos Ltd. | ||
| View original record | To ROY. from Hs/Rm /3409 Hs/Rml/LG15.12.27. BRAKE LININGS. Will you please obtain for us from Messrs. Raybestos Ltd., the following brake linings :- 16 off G.74250 16 " G.4574 16 " G.74743 16 "… | ||
| Scan359 | Request to fit Raybestos brake linings to a Sports Phantom and Tenoid linings to a 12-EX. | ||
| View original record | To RHC. from Hs/Rm. X3409 Hs/Rm1/LG5.1.28. EAC.14 BRAKE LININGS. X3409 / X8420 Will you please equip the first Sports Phantom with Raybestos brake linings front and rear. These linings were received… | ||
| Scan360 | Supply and fitting of new brake linings for vehicles 8-EX and 12-EX. | ||
| View original record | 43409 To RHC. from Hs/Rm; Hs/Rml/LG4.5.28. X228 BRAKE LININGS. We are handing you herewith - 1 set of G.74250 brake linings - 40/50 front. Will you please fit these to the front of 8-EX. We are also… | ||
| Scan361 | 10,000-mile test of Raybestos brake linings, which were rejected for scoring brake drums. | ||
| View original record | RDY. from Hs/Rn. ~E5989~ X719 Hs/Rm2/LC4.5.28. (Sample submitted 3rd. Jan. 1928) RAYBESTOS BRAKE LININGS. X228 We completed 10,000 miles on 15-EX fitted with these linings. We have turned the material… | ||
| Scan362 | The supply and ordering of Ferodo brake shoe linings for 40/50-HP & 20-HP chassis. | ||
| View original record | Hs. V719 ROY/MSS/P.16.6.28. FERODO BRAKE SHOE LININGS. 40/50-HP & 20-HP CHASSIS. ------------------- With reference to our conversation regarding the fitting of Improved Quality Ferodo Brake Shoe… | ||
| Scan363 | Query regarding the advisability of fitting improved quality Ferodo brake shoe linings to 40/50-HP & 20-HP chassis. | ||
| View original record | Hs. X719 ROY/MS2/P26.6.28. 40/50-HP & 20-HP CHASSIS FERODO BRAKE SHOE LININGS We shall be pleased to hear from you, in reply to ours ref: ROY/MS5/P.16.6.28., as to the advisability of fitting Improved… | ||
| Scan364 | Recommendation to order new type Ferodo brake linings for 20 HP and 40/50 HP models. | ||
| View original record | +719 ROY. from Hs/Rm. Hs/Rm4/LG16.7.28. NEW TYPE FERODO BRAKE LINING. We recommend that you order the following pieces of this lining :- G.51786 ) 8 off 20 HP. G.52251 ) 8 off G.74250 ) 8 off 40/50… | ||
| Scan365 | Confirming receipt of liners from Ferodo Ltd. made of bonded asbestos. | ||
| View original record | X719 Hs. Roy/Dnl/EH20.8.28. We have received from Ferodo Ltd. 8 Liners G.51786 and 8 - G.74250. These are made in Ferodo Bonded Asbestos improved wearing quality. We are instructing the Stores to pass… | ||
| Scan366 | Experimental results from testing various types of brake linings. | ||
| View original record | To R. from Hs/Rn. c. to BJ. Wor. c. to E. DA. c. to BY. Y4466 Hs/RnS/LG24.8.28. BRAKE LININGS. X719 We have been trying experimentally all sorts of brake linings for the past three years. They can be… | ||
| Scan367 | Page comparing the cost and characteristics of 'Tenoid' and 'Ferodo' materials. | ||
| View original record | contd :- -2- characteristics all round than our standard material. Incidentally there is supposed to be a reduction in cost with Tenoid over Ferodo. Ha/An. | ||
| Scan368 | Standardisation and trial of 'Tenoid' brake linings on Phantom cars. | ||
| View original record | X719 To BY. from Hs/Rm. c. to ROY. Hs/Rm9/LG24. 8. 28. X4468 'TENOID' BRAKE LININGS. We have started a standardisation sheet for this material. The grade which has proved satisfactory is designated… | ||
| Scan369 | Experimental testing of various brake linings, concluding with a recommendation to use Tenoid P for production. | ||
| View original record | X. 719 hs/Rm8/LG24.8.28. To R. from hs/Rm. c. to BJ. Wor. c. to E. DA. c. to BY. BRAKE LININGS. X.4466 We have been trying experimentally all sorts of brake linings for the past three years. They can… | ||
| Scan370 | Testing and comparison of Tenoid brake lining grades P and P.M from Morgan Crossley & Co. | ||
| View original record | B409 44466 Hs/Rm. from ROY. ROY7/MG24.9.28 I am advising the Tenoid Brake Lining people, i.e., Morgan Crossley & Co., that the type wr are testing out in bulk it/Grade P - which is the type on which… | ||
| Scan371 | Differences between Grade P and Grade PM Tenoid Linings and confirming an order. | ||
| View original record | X4466 Hs/Rm from ROY. ROY9/MG28.9.28 TENOID LININGS As arranged, we have instructed Messrs. Morgan Crossley to proceed with an initial bulk order for Tenoid Linings in their Grade P. material, and in… | ||
| Scan372 | Standardisation proposal for Tenoid brake linings on the 40/50 HP chassis to reduce squeaking. | ||
| View original record | RR 785 REVISED (10M) (D.C. 777-29-2-28) MC C. LTD X4466 COMPLETED 2.10.28 STANDARDISATION of CHASSIS PARTS. Date 24.8.28 X No. 4466 Drawing No. 7420 Description of Parts. BRAKE LININGS. 40/50 HP.… | ||
| Scan373 | 'Mintex Semi Rigid T.F.N.' brake lining samples from the British Belting & Asbestos Company, detailing composition and test results. | ||
| View original record | X3409 Hs. from ROY. ROY20/MG23.10.28 ----------------- The British Belting & Asbestos Company have sent two samples of the latest type of Brake Lining they have recently placed on the Market - samples… | ||
| Scan374 | Test results graph and data for Mintex T.F.N. wet woven brake lining material. | ||
| View original record | 5/16 MINTEX T.F.N. WET WOVEN. D.P. T. 1310. 15.33% Dressing. Against 0.6% Carbon Steel Drum. Hot. Test No 781 Exp No 431. Average Rubbing Speed - 2,340 F.P.M. ie. 372 R.P.M. Temp. °Fah. μ Stop Drum… | ||
| Scan375 | Request for sample friction discs from manufacturers Raybestos, Tenoid, and Ferodo to specification G.76792. | ||
| View original record | x.719 To ROY. from Hs/Rm. Hs/Rn7/LG31.1.29. x4466 Will you please ask the makers of Raybestos, Tenoid, and Ferodo to supply us with sample friction discs to G.76792. Our requirement for this disc is… | ||
| Scan376 | Recommendation to switch brake lining material from Tenoid to Ferodo due to increased squeaking. | ||
| View original record | To BY. from Hs. c. to Wor. X719 HS3/LG3. 4. 29 X4466 S.S. BRAKE MATERIAL. After considerable experience with Tenoid brake lining, we now consider that we should drop the use of this material and only… | ||
| Scan377 | Request to obtain 'SS' brake linings in two different Ferodo asbestos materials for testing. | ||
| View original record | To ROY. from Hs/Rn. X719. Hs/Rn1/LG4. 4. 29. 'SS' BRAKE LININGS. X7420 Will you please obtain for us :- 4 complete sets of S. S. Brake Linings - G.77082 front (8 off) G.77083 rear (8 off) in Ferodo… | ||
| Scan378 | Order for two complete sets of front and rear brake liners. | ||
| View original record | ROY/Ms. from Hs/Rn. +719 Hs/Rn/LG17.4.29. +7420 In addition to the brake linings for the S.S., which we have already received in Feroasbestos and Ferodo bonded asbestos, will you please order 2… | ||
| Scan379 | Urgent internal memo requesting an order for woven cotton friction discs from 'The Halo people'. | ||
| View original record | Roy/ Ms. from Hs/Rm. 44388 Hs/Rm3/LG19.4.29. 47420 Will you please order 4 pairs of woven cotton friction discs to G.76792 from The Halo people, similar to those which they have previously supplied.… | ||
| Scan380 | The types of brake lining material, Ferodo and Ferobestos, for S.S. cars. | ||
| View original record | To RHC. from Hs/Rm. X719 Hs/Rm1/T30.4.29. The material we use for lining the brakes on all S.S. cars except 21-EX is Ferodo bonded asbestos as at present fitted to production cars. There are four sets… | ||
| Scan381 | Preliminary report on the performance of Johns-Manville brake linings on car MX-4. | ||
| View original record | X2960 OY-11 May 10th, 1929. TO: Mr. Beaver Mr. Ross Mr. Bagnall Mr. Burton cc - Mr. Caswell Experimental Dept. Mr. Ainsworth Mr. Bailey (Eng.) Mr. Allen Mr. Hives (Eng.) Mr. Soutter FROM: Mr. Olley… | ||
| Scan382 | Tests and conclusions on different brake linings to resolve braking issues like squeaking and drum scoring. | ||
| View original record | - 2 - (6) On severe application down the "Trail" etc. the brakes have been deliberately made very hot, but beyond a slight smell of rubber there has been no noticeable effect on the linings. So far… | ||
| Scan383 | Issues with squeaking brakes on 'SS' cars, cancelling Tenoid linings and evaluating Ferodo and Ferobestos materials. | ||
| View original record | To BY. from Hs/Rn. c. to ROY. 4719 Hs/Rn3/LG10.5.29. 'SS' BRAKE LINING. As you know, we have been in trouble with squeaking brakes on these cars. We have had to cancel all our Tenoid brake lining… | ||
| Scan384 | Order for sets of SS. Brake Linings. | ||
| View original record | X719 To ROY. From Hs/Rn. Hs/Rm4/LG10.5.29. X7420 Will you please order 4 more sets of SS. Brake Linings in Ferobestos non-impregnated wire Front to G.77082 - 8 off per set. Rear to G.77083 - 16 " " "… | ||
| Scan385 | Agreed brake arrangement for all S.S. cars, with a diagram of lever dimensions. | ||
| View original record | To RHC. from Hs/Rm. x719 Hs/Rm2/LG10.5.29. S.S. BRAKES. x7420 The following is the agreed brake arrangement for all S.S. cars. 21-EX is at present so equipped. 45º cams. Woven cotton A. discs. 1.375… | ||
| Scan386 | Urgent memo regarding supply limitations on 'Ferodo' brake linings for the J.2 Series and ordering 'Ferbestos D' as an alternative. | ||
| View original record | VERY URGENT. ROY. c. BY/TWD c. HS. X719 BY1/G.13.5.29. J.2 SERIES - BRAKE LININGS. The Experimental Department are doubtful as to whether they will be able to use standard bonded Ferodo for the brake… | ||
| Scan387 | Final S.S. Brake Layout and lever lengths for a production chassis, including brake lining material options. | ||
| View original record | Y4385G To BY. from Hs/Rm. Hs/Rm2/LG1G. 5. 29. c. to DA. S.S. BRAKE LAYOUT. Y7420 45º CAMS Halo cotton A. woven linings. 1.575 1.375 2.188 2.188 We have now got to the stage where we have sufficiently… | ||
| Scan388 | The cancellation and stock liability of 'J2' Series brake shoe liners from suppliers Ferodo Ld. and Morgan Crossley & Co. | ||
| View original record | Hs. X719 ROY/MS11/P.22.5.29. 75% Ferodo "J2" SERIES - BRAKE SHOE LINERS. 25% Tenoid We have been in communication with Messrs. Ferodo Ld. with a view of getting them to cancel the undelivered… | ||
| Scan389 | Recommendations for different brake lining materials, such as Ferobestos and Tenoid, for various car models. | ||
| View original record | To BY. From Hs. c.c. to ROY. 44466 Hs2/LG24. 5. 29. BRAKE LINING MATERIAL. X749 X.4466 From experience so far it is practically certain that all S.S. cars will have to be fitted with Ferobestos brake… | ||
| Scan390 | Instruction to arrange the fitting of Ferobestos brake linings to all further SS cars. | ||
| View original record | To RHC/H. Smith. from Hs/Rn. x719. Hs/Rn1/LG24.5.29. Will you please arrange to fit all further SS. cars with Ferobestos brake linings. Hs/Rn. | ||
| Scan391 | Recommendations for different brake lining materials such as Ferobestos, Tenoid, and bonded asbestos. | ||
| View original record | To BY, from Hs. c. to ROY. 4719 HS2/LG24. 5.29. BRAKE LINING MATERIAL. X4466 From experience so far it is practically certain that all S.S. cars will have to be fitted with Ferobestos brake linings.… | ||
| Scan392 | Instruction specifying 'Ferobestos D' for J-2 series foot brakes, retaining Ferodo for hand brakes, and holding 'Tenoid' material in stock. | ||
| View original record | X719 G. Dept. Roy. Hs. Sft. BY/Mtnll/N.27.5.29. Hs Re: Brake Lining Material. Will you please instruct 'Ferobestos D' brake linings for the foot brakes for the whole of J-2 series. The present… | ||
| Scan393 | Clarifying the standard asbestos brake lining material for the 20 HP Car, distinguishing between Ferodo and Ferobestos. | ||
| View original record | X718. To Hs. from ROY. c. to RY [text crossed out] ROY2/MG28.5.29 Brake Lining Material Reverting to Hs2/LG25.4.29 re above, in the final paragraph you mention standard bonded Asbestos material for… | ||
| Scan394 | Letter concerning the performance and supply of 'soft' and 'hard' brake linings from Johns-Manville. | ||
| View original record | X3960 OY-8 June 13th, 1929. Mr. R.W.H. Bailey, Rolls Royce Ltd., Derby, England. c - Mr. Hives Dear Mr. Bailey: BRAKES Johns-Manville Linings In response to your cable we have instructed… | ||
| Scan395 | Letter discussing the smoothness and testing of J.M. brake linings. | ||
| View original record | - 2 - The smoothness of brake action with the J.M. linings appears noticeably better, and they do not demand nearly such careful initial bedding. In our tests we have made no attempt to taper off the… | ||
| Scan396 | Letter from Bentley Motors confirming the satisfactory performance of 'Halo' brake and clutch linings used in their Le Mans race cars. | ||
| View original record | BENTLEY MOTORS LTD SHOWROOMS: POLLEN HOUSE, CORK STREET, LONDON, W.1. TELEPHONE, REGENT 6911 (3 Lines) SERVICE DEPT: KINGSBURY WORKS, KINGSBURY LANE, THE HYDE, HENDON, N.W.9. TELEPHONE, COLINDALE 6371… | ||
| Scan397 | Letter from British Belting & Asbestos Ltd regarding their HALO brake linings used on winning Bentley cars at the Le Mans Grand Prix. | ||
| View original record | 44388 BRITISH BELTING & ASBESTOS LTD. TELEGRAMS SCANDINAVIA LONDON TELEPHONES HOP 6071-2-3-4 HALO NON-METALLIC CLUTCH AND BRAKE LININGS SCANDINAVIA COTTON CONE LINERS AND BONNET LINING MINTEX STANDARD… | ||
| Scan398 | Standardisation document for Ferobestos brake lining to reduce squeaks. | ||
| View original record | RR 758 REVISED (10H) (D.C. 777-29-2-28) M.C.L.TD 4719. COMPLETED 22. 6. 29 STANDARDISATION of CHASSIS PARTS. Date 4. 6. 29 Description of Parts. FEROBESTOS BRAKE LINING. X No. 719 Origin. To reduce… | ||
| Scan399 | Form for the standardisation of a chassis part, detailing costs and testing information. | ||
| View original record | STANDARDISATION of CHASSIS PARTS MODIFICATION X The number of the first chassis on which the new part will be fitted. When available. Date when chassis will be handed to test. Cost of scrapped… | ||
| Scan400 | The ordering of Tenoid material for brake linings. | ||
| View original record | To Roy. from Hs/Rm. X4466 Hs/Rm2/MJ.18.7.29. Re. Brake Linings. We do not feel that we are justified in ordering any more Tenoid material until we have definate statistics of the cars which passed… | ||
| Scan401 | Sample 40/50 HP Clutch Disc from the Ferodo Company, detailing a new manufacturing process. | ||
| View original record | To BY. from ROY. " Hs. " ----------------- X719. ROY4/MG2.9.29 ----------------- Herewith sample 40/50 HP. Clutch Disc made by the Ferodo Company - which they designate R.A.D.Type, New Process. The… | ||
| Scan402 | Testing a new 'R.A.D. Type' clutch disc from the Ferodo Company due to issues with existing discs for the 40/50 HP clutch. | ||
| View original record | ROY c. Hs. X719 BY/Cgh3/G.4.9.29. With reference to the sample clutch disc submitted by the Ferodo Company which they designate as 'R.A.D. Type", we would suggest that you obtain two discs produced in… | ||
| Scan403 | Letter to Ferodo Ltd. regarding moulding friction material onto clutch plates for testing. | ||
| View original record | x719. Expl. Dept. Hs/Rn.6/MJ. Sept: 17th.1929. Ferodo Ltd., Sovereign Mills, Chapel-en-le-Frith. Dear Sirs, For the attention of Mr. Field. Some time ago you shewed us some clutch plates having the… | ||
| Scan404 | Letter from Ferodo Limited discussing the use of an elastic layer between clutch linings to prevent juddering. | ||
| View original record | FERODO LIMITED. X34 27. x719 WIRES: "FRICTION, PHONE, CHAPEL-EN-LE-FRITH." TELEPHONES: 19, 20 & 21 CHAPEL-EN-LE-FRITH. (3 LINES) Depots. LONDON 222, TOTTENHAM COURT ROAD, W.1. BIRMINGHAM 202,… | ||
| Scan405 | Letter to Ferodo Ltd. requesting modifications to a Phantom II clutch plate by adding a layer of cork. | ||
| View original record | Expl. Dept. X719 Hs/Tsn.1/MJ. Dec.3rd.1929. Messrs. Ferodo Ltd., Sovereign Mills, Chapel-en-le-Frith. Dear Sirs, For the attention of MR. Field. With reference to your letter FJF/LED.9.11.29. We wish… | ||
| Scan406 | Letter from Ferodo Limited regarding a clutch plate with cork backing. | ||
| View original record | FERODO LIMITED. WIRES: "FRICTION, PHONE, CHAPEL-EN-LE-FRITH" TELEPHONE: 19 (4 LINES) CHAPEL-EN-LE-FRITH. Depots. LONDON 222, TOTTENHAM COURT ROAD, W.1. BIRMINGHAM 202, CORPORATION STREET. MANCHESTER… | ||
| Scan407 | Letter from Ferodo Limited acknowledging receipt of correspondence and a blueprint. | ||
| View original record | FERODO LIMITED. WIRES: "FRICTION, PHONE, CHAPEL-EN-LE-FRITH". TELEPHONE: 19 (4 LINES) CHAPEL-EN-LE-FRITH. Depots. LONDON 222, TOTTENHAM COURT ROAD, W.1. BIRMINGHAM 202, CORPORATION STREET. MANCHESTER… | ||
| Scan408 | Clutch performance for the 21-EX chassis, detailing judder and disengagement problems. | ||
| View original record | X.3409. x71/30.9.29. Report on 21-EX fitted with clutch steel plate lined with ferodo, plain back and front pressure plates, steel plate staggered and standard movement of rear pressure plate.… | ||
| Scan409 | 'Japan' improvements to the 20 HP clutch, including a Phantom damping plate and washer adjustment. | ||
| View original record | COPY. X719 BY. From DA. DA.1/1.10.29. c. to Sg. Hs. 20 HP. CLUTCH. X.5300 X.3409 We send herewith N.sch.2957., shewing some of the recent 'Japan' improvements in the clutch applied to the present… | ||
| Scan410 | Letter from Ferodo Limited discussing the design and materials for two new clutch plates. | ||
| View original record | x718 F.1941 FERODO LIMITED. WIRES: "FRICTION, PHONE, CHAPEL-EN-LE-FRITH". TELEPHONES: 19, 20 & 21 CHAPEL-EN-LE-FRITH. (3 LINES) CODES:- 5TH EDITION A.B.C. LIEBER'S. MARCONI INTERNATIONAL. WESTERN… | ||
| Scan411 | Letter from Ferodo Limited apologising for the date of the letter, with sketches at the bottom. | ||
| View original record | Messrs.Rolls Royce Limited 2nd October,1929. From FERODO LIMITED. Sheet No. 2 The writer has recently returned from a holiday, which accounts for the date of this letter. Yours faithfully, FERODO… | ||
| Scan412 | Modification to the Phantom II clutch, referencing drawing N.Sch.2967. | ||
| View original record | BY. From Da. c. to Sg. Hs. COPY. X719 PHANTOM II CLUTCH. Da.4/M15.10.29. X.7480 X.3409 Herewith we send N.Sch.2967, shewing the Ferodo riveted to the driven member of the clutch, and the modification… | ||
| Scan413 | Letter from Ferodo Limited concerning the delivery and specifications of two types of clutch plates. | ||
| View original record | FERODO LIMITED. X809 - X719 WIRES: 'FRICTION, PHONE, CHAPEL-EN-LE-FRITH'. TELEPHONES: 19, 20 & 21 CHAPEL-EN-LE-FRITH. (3 LINES) Depots. LONDON 222, TOTTENHAM COURT ROAD, W.1. BIRMINGHAM 202,… | ||
| Scan414 | Letter from Ferodo Limited regarding a new clutch disc without metallic stitching. | ||
| View original record | X719 FERODO LIMITED. WIRES: 'FRICTION, PHONE, CHAPEL-EN-LE-FRITH' TELEPHONE: 19 (4 LINES) CHAPEL-EN-LE-FRITH. Depots LONDON 222, TOTTENHAM COURT ROAD, W.1. BIRMINGHAM 202, CORPORATION STREET.… | ||
| Scan415 | Letter to Ferodo Ltd. suggesting a modification to clutch driven plates to reduce juddering. | ||
| View original record | x717 Hs/Tana/AD. 1st November, 1929. Messrs. Ferodo Ltd. Sovereign Mills, Chapel-en-le-Frith. For the attention of Mr. Field. Dear Sirs, With regard to clutches with the fabric on the driven plate, we… | ||
| Scan416 | Modifications to the Phantom II clutch based on a proposal by Mr. Royce. | ||
| View original record | COPY. BY. From Da. c. to Sg. c. to Hs. X719 Da.1/M6.11.29. X.7480 X.3409 PHANTOM II CLUTCH. We send herewith N.Scheme 2975, shewing a modification to the Phantom clutch in connection with the proposal… | ||
| Scan417 | Proposed modifications to the 20/25 HP clutch, including the use of Ferodo. | ||
| View original record | Copy BY. From DA. c. to Sg. c. to Hs. x719 DA.3/M6.11.29. X.5300 X.3409 20/25 HP. With reference to the suggestions to use Ferodo on the driven member of the existing 20/25 HP. clutch, we send you… | ||
| Scan418 | Letter to supplier Ferodo Ltd. regarding the rapid wear of a moulded clutch plate material. | ||
| View original record | K719 Expl. Dept. Hs/Tsn.1/MJ. Dec.30th.1929. Messrs. Ferodo Ltd., Sovereign Mills, Chapel-en-le-Frith. Dear Sirs, For the attention of Mr. Field. With regard to the driven clutch plate you are making… | ||
| Scan419 | Letter to Ferodo Ltd. confirming the fitting of rivetted fabric rings to clutch plates. | ||
| View original record | X719 Exptl. Dept. Hs/Tsn.2/MJ. Dec.31st.1929. Messrs. Ferodo Ltd., Sovereign Mills, Chapel-en-le-Frith. X3409. x 5300 Dear Sirs, For the attention of Mr. Field. Yesterday we wrote you asking you to… | ||
| Scan420 | Letter from Ferodo Limited confirming an arrangement for lining two plates. | ||
| View original record | FERODO LIMITED. WIRES: "FRICTION, PHONE, CHAPEL-EN-LE-FRITH." TELEPHONE: 19 (4 LINES) CHAPEL-EN-LE-FRITH. Handwritten text at top: X 3409 .K711 Depots LONDON 222, TOTTENHAM COURT ROAD, W.1. BIRMINGHAM… | ||
| Scan421 | Notice about standardising moulded asbestos brake linings for the Phantom II and modifying leverage parts to compensate for faster wear. | ||
| View original record | To Hm. From Hs/Rn. For Depot Sheet. X3409. Hs/Rn.4/MJ.2.1.30. Y X.7360 X.7420 X.7370 X.3409 BRAKES - PHANTOM 11. In order to reduce the troubles of squeaking brakes we have standardised a moulded… | ||
| Scan422 | Requesting a requisition for a Clutch Plate. | ||
| View original record | Hs. X711 ROY/LS1/P.27.1.30. Please see attached copy of memo G/WFH/CAS/MM.24.1.30, and let us have your requisition for the Clutch Plate, etc., to enable us to issue an order. [STAMP] RECEIVED JAN 27… | ||
| Scan423 | Invoice from Ferodo Ltd. for clutch plate linings, seeking a covering order for payment. | ||
| View original record | COPY. X 719 ROY. G/WFH/EA8/MM.24.B.30. An invoice has come to hand from Ferodo Ltd. dated 22nd inst., details of which are given below. As no order appears to have been sent for the parts charged to… | ||
| Scan424 | Internal order request for a clutch plate with specific linings from Messrs. Ferodo Ltd. | ||
| View original record | ROY. From Hs/Rm. X719 Hs/Rm.1/MJ.30.1.30. Will you please order for us from Messrs. Ferodo Ltd., one clutch plate to the following specification:- 1. Clutch plate lined with:- 2. Die Made Ferodo… | ||
| Scan425 | Issues with Ferobestos on the Phantom II rear foot brake and recommendations for alternative materials. | ||
| View original record | x719 X3409 To BY. From Hs/Rn. c. to Da. Hs/Rn.4/MJ.6.2.30. PHANTOM 11 REAR FOOT BRAKE. X.7370 X.7360 E.7420 X.3409 In spite of the reduced direct braking leverage, we are finding that the total travel… | ||
| Scan426 | Performance of submitted brake linings and considering alternatives due to lifespan concerns. | ||
| View original record | x 7/1 BY. From Hs/Rn. Hs/Rn.1/WJ.11.2.30. With reference to Mr. Bailey's letter, we have run the brake linings you submitted to us for a number of miles and on the whole they have proved very… | ||
| Scan427 | From Bt to Hs enquiring about interest in a set of brake linings. | ||
| View original record | Hs...from Bt +3409 Bt14/GDL.10.3.30. With reference to the attached letter, are these brake linings of any interest to you? If you would like a set to try I could no doubt get them without difficulty.… | ||
| Scan428 | Letter from Brake Linings Limited offering free trial brake linings for racing cars. | ||
| View original record | COPY. Brake Linings Limited, Bridge Street, Buxton. 5th. March 1930. Dear Sir, As this year's events draw near you will no doubt be busy fitting up your racing cars and in the course of which, without… | ||