Rolls-Royce Archives
| Identifier | Entry | ||
| scan0001 | Instruction note comparing two design schemes (F4118 and F4119) for a new front anchorage for rear springs. | ||
| View original record | R.R. 300 (6 B) (XX. 368. 9.9.13) E.P. 4920. 14894 ROLLS-ROYCE LIMITED. INSTRUCTIONS. Date: 24 Oct 1913 To: Mr Royce Order No.: Customer's No.: X879 Re: New Front Anchorage for Rear Springs In response… | ||
| scan0002 | Comparison of two rear spring fitting designs, favouring the design from blueprint F.4119 over the U-section design from F.4118. | ||
| View original record | C O P Y. COPY. R1/P 31.10.13. To Da. from R. Copy to J. " " Wor. X879 With reference to the front end of the rear spring (Blue Print F.4119) of the two fittings I think the one like the present one… | ||
| scan0003 | Proposed design improvements to a frame, including links, studs, and cross-members, with feedback on specific blueprints. | ||
| View original record | RL/P 31.10.13. COPY. Sheet 2. frame. Should this stud be broken at any time it can be re- placed fairly easily. The base above referred to should have recesses drop forged in each corner so as to fit… | ||
| scan0004 | Note describing a better construction for a removable link and a castellated nut. | ||
| View original record | R1/P 31.10.13. COPY. Sheet 3. This is the better and the construction is more manifest and link can be taken off. Nut is round with hex on outer end which is castellated (opposite to usual practice.)… | ||
| scan0005 | Instruction memo to Mr. Royce regarding a revised scheme for the front anchorage of rear springs, including stress calculations and a small diagram. | ||
| View original record | R.R. 300 (6 B) (XX. 368. 9.9.13) E.P. 4920. 15114 ROLLS-ROYCE LIMITED. INSTRUCTIONS. To Mr Royce 12 Nov. 19 Order No. Customer's No. X879 Re FRONT ANCHORAGE OF REAR SPRINGS. Herewith I enclose a print… | ||
| scan0006 | Internal instruction memo discussing the manufacturing difficulty of drop forging a U-shaped design for the front anchorage of rear springs. | ||
| View original record | R.R. 300 (6 B) (XX. 564. 15.10.13) E.P. 5170. 16190 ROLLS-ROYCE LIMITED. INSTRUCTIONS. To: Mr Moyes Date: 19.11 1913 Order No.: Customer's No.: X879 Re: FRONT ANCHORAGE OF REAR SPRINGS With further… | ||
| scan0007 | Instruction to Mr Wormald to dispatch an accompanying instruction to Mr Royce. | ||
| View original record | R.R. 300 (6 B) (XX. 564. 15.10.13) E.P. 5170. ROLLS-ROYCE LIMITED. 16197 INSTRUCTIONS. To: Mr Wormald Date: 19.11.1913 Order No.: Customer's No.: X879 Re: Please despatch to Mr Royce accompanying… | ||
| scan0008 | Instructions to plug and re-drill holes in a spring suspension bracket. | ||
| View original record | COMPLETED. Re Spring Suspension. X.879. Mr.Matthews. WOR/Mcr6/010214. 10/2/14. Mr. Day states that instructions were issued to the Works yesterday morning to plug the holes in the existing bracket for… | ||
| scan0009 | Referencing general arrangement drawing F4200 for the front anchorage of rear springs. | ||
| View original record | X.879. FRONT ANCHORAGE OF REAR SPRINGS. General arrangement drg. F4200. Extract from Wormer 5/L/16214 Fitted to 4 b.a | ||
| scan0010 | The fitting and dynamometer testing of a new bracket for the front end of the rear springs. | ||
| View original record | Re Rear Springs. Da. [Strikethrough] Wor. J. [Strikethrough] Mr Hills. Mr Southern. B. [Strikethrough] EP. Na6/B16214. Mr Johnson spoke to me on the telephone this morning concerning the fitting of… | ||
| scan0011 | Anchorage of rear springs, halting the fitting of new brackets until a new device is tested. | ||
| View original record | Wor/Mcr21/L17214. Re anchorage of Rear Springs. X.879 Hy. 17-2-14. Mr Johnson does not wish us to fit any more new brackets to cars which we are building until we have tested the new device on the… | ||
| scan0012 | Instruction to provide Mr Matthews with a bare frame fitted with front and rear springs. | ||
| View original record | Wor/Mcrl/C17214. Front anchorage of Rear Springs. Mr Scott. 17-2-14 Please hand to Mr Matthews at once one bare Frame fitted with front and rear Springs. p. Wor. [Handwritten]: X379 [Watermark]:… | ||
| scan0013 | Weakness of the rear spring fixing and proposing reinforcements. | ||
| View original record | To Da. from R. Copy to J. Copy to Wor. Copy to Na. C O P Y. R2/P 19.2.14. COPY. With reference to the fixing and shackle for the front end of the rear spring, this piece may look rather weak when… | ||
| scan0014 | Instructions for preparing a chassis with axles and spring anchorage for testing purposes. | ||
| View original record | R.R. 300. (6 B) (L.L. 690. 26.9.12) G. 2901. 7138 ROLLS-ROYCE LIMITED. INSTRUCTIONS. To: Mr Mear Order No.: Re: Rear Bumping Test. Customer's No.: 20-2-1914 Chassis is now built up with Front & Rear… | ||
| scan0015 | 'slurring test' for a rear spring bracket and its impact on implementing other vehicle improvements. | ||
| View original record | -2314 To Hy from R. Copy to J. Copy to Wor. Copy to Da. C O P Y. COPY. 1879 The slurring test should be useful for testing the bracket for the front end of the rear spring. If it will stand the test… | ||
| scan0016 | Bumping test of the rear of a chassis to test the forward frame brackets of the rear springs. | ||
| View original record | From Exp. Dept. Copies for: J. R. Da. Na. Wor/Hy20/L25214. February 25th. 1914. Report on bumping test of rear of chassis to test the forward frame brackets of the rear springs. F4273 - X.879 A frame… | ||
| scan0017 | Broken cross member flanges and suggestions for redesigning the mounting brackets. | ||
| View original record | Wor/Hy20/L25214. Sheet. 2 shock directly to the frame and in the other case the shock to the frame is reduced by being partly absorbed in the steering joints and levers. The flanges of the small cross… | ||
| scan0018 | Potential modification to the bracket for the rear springs of car 2704. | ||
| View original record | C O P Y. To Da from R. Copy to J. Copy to Wor. Copy to Na. Hy 2314 R1/P 25.2.14. C O P Y. With reference to the bracket at the front end of the rear springs of 2704, this fitting seems to be… | ||
| scan0019 | Kitching's report on chassis 4.bA with a satisfactory result. | ||
| View original record | Kitching's Report on Chassis 4.bA x879 1916 Feb 25 Satisfactory | ||
| scan0020 | Instruction and strength testing of a new front anchorage and shackle for a rear spring. | ||
| View original record | J. for R. 27.2.14. Da2/G27214. With reference to your note R2/P19214 re new front anchorage and shackle for the rear spring, we have now instructed large washers and a special hexagon head bolt… | ||
| scan0021 | Modifications to the propeller shaft, cross member, and rear spring anchorage. | ||
| View original record | R R. 235 A (150 H) (V.V. 522. 10.2.14) G. 0345. J. for R. 2.3.14. Da2/G2314. With reference to your note RB/P23214 we are fitting a long propeller shaft and the improved position of cross member… | ||
| scan0022 | Bumping test on rear chassis frame brackets, proposals for strengthening broken parts, and a new design. | ||
| View original record | COPY. COPY. To Da. from R. Copy to J. Copy to Wor. Copy to Na. Re Bumping test of rear of chassis to test the forward frame brackets of the rear springs F4273. X.879. With reference to X. 879, I shall… | ||
| scan0023 | Bumping test of the rear of a chassis to test the forward frame brackets of the rear springs. | ||
| View original record | From Exp. Dept. Copies for: J. R. Da. Na. Wor/Hy4/L6314. March 6th. 1914. Report on bumping test of rear of chassis to test the forward Frame Brackets of Rear Springs F4273 - X.879. This test has been… | ||
| scan0024 | The bumping test of the rear chassis, specifically testing the forward frame brackets of the rear springs. | ||
| View original record | Wor/Mcr2/C6314. Re Bumping Test of rear of chassis to test the Forward Frame Brackets of Rear Springs F4273 . X. 879. J. 6-3-14. R. Da. We attach herewith Mr Haldenby's report Na. Wor/Hy4/L6314 on the… | ||
| scan0025 | Testing and potential standardization of an alteration to the anchorage for rear springs. | ||
| View original record | R.R. 235 A (150 H) (V.V. 522. 10.2.14) G. 0345. X. 879. Standardization of Parts. X. 879. Anchorage for Rear Springs - Alteration to the above to be tested either on the bumping or slurring test. If… | ||
| scan0026 | Delivery and satisfactory testing of rear spring brackets, piece No. F.4218. | ||
| View original record | R.R. 235 A (150 H) (V.V. 522. 10.2.14) G. 0345. Re. Rear Spring Brackets. Na. EP26/T/W13314. Please note we are about to deliver 2900 series, the first 20 or so of which series are fitted with spring… | ||
| scan0027 | Request for a copy of a report on axle bumping tests to aid in the design of a new axle. | ||
| View original record | R.R. 235 a (150 H) (V.V. S85. 23.2.14) G. 0363. BY28/T.16.3.14. X849 Wor for Hy. c. Mr Hoon. Mr Royce recently read me an extract from a report which was made to him dealing with some bumping tests… | ||
| scan0028 | Bumping test of rear of chassis to test the forward frame brackets of rear springs. | ||
| View original record | From Exp. Dept. Copies for: J. H. Da. Na. Wor/Hy2/L17314. March 17th. 1914. Report on bumping test of rear of chassis to test the forward frame brackets of Rear Springs F4273. - X.879 This test has… | ||
| scan0029 | Test report detailing component failures and observations on the chassis and suspension after running. | ||
| View original record | Wer/My2/L17314. contd. After running. 7 hrs 50 mins. Fourth member from rear flange cracked off side. 8 " 30 " Spring Brackets F2403 off side one broken, near side cracked at front. The steel sphere… | ||
| scan0030 | Request for a copy of a dynamometer test report showing axle weakness, needed for designing a new axle. | ||
| View original record | R.R. 647 (100 H.) (L L. 194—15-7-13.) B & H. 519. ROLLS-ROYCE LIMITED, 14 & 15, CONDUIT STREET, LONDON, W. TELEPHONES: 1654, 1655, 1656 (GERRARD) TELEGRAMS: 'ROLHEAD,' REG., LONDON. BY28/T. 16. 3. 14.… | ||
| scan0031 | Correspondence regarding a new bracket for the front end of the rear springs, referencing drawings F.4938 and leC102. | ||
| View original record | R.R. 235 A (150 H) (V.V. 585. 23.2.14) G. 9363. 4879 J. for R. X 1179 18.3.14. Da2/018314. With reference to the new bracket for carrying the front end of the rear springs, we send you drawing F.4938… | ||
| scan0032 | Clarifying a part number for a rear spring bracket and reporting on the results of a bumping test. | ||
| View original record | Wor/Mcr2/L18314. Re Rear Spring Brackets. X.879 Na. 18-3-14. In reply to Mr Platford's memo EP26/T/W13314 re Spring Bracket F4218, we have looked up the D.O. records and find this piece number is a… | ||
| scan0033 | Modifications to suspension to improve ride quality, addressing chassis drumming and testing severity. | ||
| View original record | H.R. 255a (150 H) (V V. 681 12-3-14) G. 0414. To Wor. from R. Sheet 2. X.879. RL/P 21. 3. 14. X.879 I will therefore wait until we have modified it in the way set forth, that is the high pressure side… | ||
| scan0034 | Attaching a report regarding a Bumping Test. | ||
| View original record | Wor/Mcrl/L23314. Re Bumping Test. X.879 By. 23-3-14. In response to your memo By28/T16314, we attach herewith a copy of the report you refer to Wor/Hy4/L6314. p. Wor. | ||
| scan0035 | Design changes to the rear spring anchor fitting to reduce stress and weight. | ||
| View original record | X.1179. COPY. To J. from R. Copy to El Copy to Wor. Copy to Da. Hy2414 R8/P 24. 3. 14. X.49 X.2628 X.1179. Rear Spring - Forward end anchorage with addition of stiffener & modified bracket. (See… | ||
| scan0036 | From 'R' to 'J' discussing the design and reinforcement of spring plates for weight economy. | ||
| View original record | H.R. 288A (150 H) (V V. 681 12-3-14) G 0414. To J. from R. 2. R8/P 24. 3. 14. Referring to the length of the second plate, theoretically this need only commence when the top plate becomes too weak to… | ||
| scan0037 | Alterations to the front anchorage of rear springs and designing new springs for the Northcliffe Chassis. | ||
| View original record | R.R. 235 A (150 M) (V.V. 585. 23.2.14) G. 0363. X.1179 X1179 J. for R. 2.4.14. Da6/C2414. X 1232 In reply to your note RB/P24314 re Front Anchorage of Rear Springs, we have put in hand the alterations… | ||
| scan0038 | Recommendation to alter the manufacturing process for the front anchorage of rear springs, referencing blueprint F.4932. | ||
| View original record | COPY. To Da from R. Copy to J. Copy to Na. Copy to Wor. Copy to EP. FRONT ANCHORAGE OF REAR SPRINGS With reference to your Blue Print F.4932 which you send, this should be ready for F Series if it can… | ||
| scan0039 | Rear spring suspension fitted to a chassis and its corresponding drawing. | ||
| View original record | FITTED TO CHASSIS 58 NA ON 261 5. 14. X. 879. REAR SPRING SUSPENSION. This has been made to drawing F4200. Watermark text: DICKINSON BOND 1804 MADE AT CROXLEY Footer text: R.R. 238a (150 H.W) W. 276.… | ||
| scan0040 | Extract from Warwick's report on the suspension and ride quality of car 58NA after a 3080-mile run. | ||
| View original record | R.R. 235A (150 H) (W.W. 276. 12-5-14) G. 0547. June 29th 1914 x. 879 Extract from Warwick's report on 58NA, run 3080 miles Very good, remarked on by everybody who sat in the back, has that floating… | ||
| scan0041 | Instructions with diagrams for alterations to the undersheet supporting strip and G.B. undersheet. | ||
| View original record | R.R. 300 (6 B) (W.W. 298. 18.5.14) E.P. 6632. ROLLS-ROYCE LIMITED. W.M. INSTRUCTIONS. STAMPED: 25184 RECEIVED 28 JUL 1914 To: Mr Greener Mr Matthews Order No. Customer's No. EXP. X.1179. Re: Please… | ||
| scan0042 | The performance of rear spring anchorage on Chassis 58 NA. | ||
| View original record | Wor/Ncr10/B4714. Re Anchorage for Rear Springs. K. 879. J. 4. 7. 14. R. We give below Warwick's report on the Na. above, which was fitted to Chassis 58 NA :- Da. "Very good, remarked on by everybody… | ||
| scan0043 | Bracket F.4932 for carrying the forward ends of the rear springs. | ||
| View original record | From Exp. Dept., Copies for: J. R. Da. Na. WOR/Hy7/T10914. Sept. 10th. 1914. X849 REPORT ON BRACKET - F.4932 - FOR CARRYING THE FORWARD ENDS OF THE REAR SPRINGS. -------------------- This bracket is… | ||
| scan0044 | Bracket F.4932 for carrying the forward ends of the rear springs. | ||
| View original record | Wor/Mcr3/C10914. Re Bracket - F.4932 - for carrying the forward ends of the Rear Springs. J. 10-9-14. R. Da. Attached herewith is a report from Mr. Na. Haldenby on the above experiment. p. Wor. Mcr.… | ||
| scan0045 | Alteration to Swivel Bracket F.4952 for the centre of rear springs, aiming to reduce its weight. | ||
| View original record | From Experimental Dept. Copies for J. R. Da. Na. WOR/Hy6/FC10914. September 10th., 1914. X 849 Report on Swivel Bracket F.4952 for Centre of Rear Springs. The object of this alteration is to make a… | ||
| scan0046 | Three broken axle brackets from a bumping machine test, with suggestions for improvements for military service vehicles. | ||
| View original record | To R. from Hy Copy to J. " " Da. " " Na. Wor/Hy9/L2315. March 2nd. 1915. XC 879 Re Parts broken on Bumping Machine. I send under separate cover 3 brackets which have been broken while bumping the back… | ||
| scan0047 | Component failures during rear axle and chassis testing on a bumping machine. | ||
| View original record | C O P Y. To Wor. for Hy. from R. Copy to J. " " Da. " " Na. 12315 (handwritten) COPY (stamped) R9/IB10315. March 10th. 1915. OE877 (handwritten) Re Parts broken on Bumping Machine. Wor/Hy9/L2315.… | ||
| scan0048 | Modifications and tests for the rear spring and axle to reduce stress. | ||
| View original record | To Wor. for Hy. from R. 2. COPY. R9/IB10315. I should be glad therefore if you could re-arrange the road spring under the axle, and use the type made of thick plates with the lower plate split at the… | ||
| scan0049 | Abnormal stress on parts, proposing modifications to a cross member tube and requesting new arrangement drawings. | ||
| View original record | To Wor. for Hy. from R. 3. COPY R9/IB10315. pieces F.2406 and F.2403 get abnormal stress. If you do not agree with this view, it will be better for you to come and see me and explain your views. I… | ||
| scan0050 | Cause of breakage on a Bumping Machine's rear spring and a proposed design improvement. | ||
| View original record | mer XC 879. J. for R. 12.3.15. Dal/G12315. In reply to your note R9/IBL0315, re the parts broken on the Bumping Machine, I send herewith a print of F.2421 - general arrangement of the rear spring… | ||
| scan0051 | Letter discussing the failure of a frame and brackets on a bumping machine. | ||
| View original record | X879 Wor/Hy2/L15315. Re Parts broken on bumping machine. - R9/IB10315. R. 15.3.15. You are quite right in reading that the front horn of the frame was broken whilst bumping the back axle. The frame… | ||
| scan0052 | Axle side-to-side movement and a proposal to transfer springs below the axle. | ||
| View original record | v Jor/Hy2/1.15315. -2- axle wanders about from side to side on the drums over a range of perhaps 6" to 9", there- fore if the bump strikes the wheel when it is at the limit of its side movement a… | ||
| scan0053 | Explaining the history and reasoning for using solid eyes on rear springs. | ||
| View original record | 4879 Extract from Da2/CB2.3.20. X.2628. ROAD SPRINGS. X.3950. X.1295. X.1179 X.1232 Replying to Mr. Elliott's memo E2/G17.2.20. the proposal to use solid eyes on the rear springs was first put forward… | ||
| scan0054 | Use and retention of leather packings under rear springs for car leveling purposes. | ||
| View original record | J. for R. With further reference to your note R5/P6714 re leather packings under springs, there is no difficulty about removing them from the front springs, but at the rear they make use of them for… | ||
| scan0055 | The use and purpose of leather packings under rear springs. | ||
| View original record | RE LEATHER UNDER REAR SPRINGS - R8/P20714. J. for R. 22.7.14. Da2/G22714. With reference to these leather packings, they have been in use for a long time, and were originally intended to accommodate… | ||
| scan0056 | Brief internal note regarding an unspecified item that worked and was easily obtained. | ||
| View original record | J. for R. 22.7.14. Da2/G22714. worked and they say more easily obtained. Da. | ||
| scan0057 | Chassis lowering modifications for 20-HP and Phantom models by reducing packings. | ||
| View original record | V387 X1388 BY/HEB2/M.17.11.27. [Text crossed out] c. to Hs/Rm. [Text crossed out] G.W. Y5420 [crossed out] X5410 X7410 X7420 20-HP. PHANTOM. E.A.C.14. LOWERING CHASSIS BY REDUCING PACKINGS. Kindly… | ||
| scan0058 | Internal request to order four Watson Stabilators from the John Warren Watson Co. for testing purposes. | ||
| View original record | Ms. from Hs. X4551 Hs2/LG13.9.22. Will you please order :- 4 Watson Stabilators from - John Warren Watson Co., Philadelphia. When ordering these, please state - we should like these Stabilators to be… | ||
| scan0059 | Booklet on Watson Stabilators and their successful trial on a 40/50 car. | ||
| View original record | X4551 R. from Hs. Hs5/LG26.9.22. WATSON STABILATORS. Herewith booklet on Watson Stabilators. We have ordered a set of these from U.S.A. We have heard from O.Y. at Springfield that they have tried a… | ||
| scan0060 | Test report on the steering, suspension and performance of the No. 6 Goshawk car. | ||
| View original record | To Hs. from R. c. to CJ. c. to WJ. X4551 R7/M9.10.22. RE. 6. Goshawk. X4551. X.4261 X.4329. The steering of this car seems quite satisfactory. I have rushed it over rough roads without objectionable… | ||
| scan0061 | Returning a booklet on the Watson Stabilator, noting its superiority over Gabriel Snubbers. | ||
| View original record | To hs. from E. X4551 E4/M13.10.22. WATSON STABILATOR X.4551. We return herewith the booklet concerning the Watson Stabilator, as requested on same. This Stabilator seems to be very much better for our… | ||
| scan0062 | Order for 4 Watson Stabilators and a delay from the Springfield branch. | ||
| View original record | Hs.from Wd. X4551 Wd2/NJ2.11.22. Watson Stabilators. In reply to your verbal enquiry of yesterday, I find that an order for 4 Watson Stabilators was sent to RR.of A.Inc. on the 13th Sept. last,… | ||
| scan0063 | Letter regarding a delay in shipping Watson stabilators due to the John Warren Watson Co. failing to provide necessary invoices. | ||
| View original record | Hs. from Wd. X4551 Wd1/NJ10.1.23. Watson Stabilators. I confirm mine Wd8/NJ4.1.23. We are now in receipt of a letter from Rolls-Royce of America Inc. dated 23rd ult. as follows:- "With reference to… | ||
| scan0064 | Inquiry regarding the delivery of Watson Stabilators and thermostats from the Fulton Co. | ||
| View original record | Wd. from Hs. X4557 Hs2/LG31.1.23. WATSON STABILATORS FOR THERMOSTATS. X4551 / x3902 We should be pleased if you would let us know when we are likely to receive in these Works the Watson Stabilators… | ||
| scan0065 | Test report on special Woodhead front springs with rubber pads, detailing failures during a bumper test and comparing weight. | ||
| View original record | X248 To BY. from Hs/Rm. c. to Roy. c. to DA. Hs/RmL/LG24.7.28. SPECIAL WOODHEAD FRONT SPRINGS. X3854 Messrs. Woodhead put up a pair of front springs to us having rubber pads between the leaves. We… | ||
| scan0066 | Recent spring tests, their durability, and methods to eliminate squeaks. | ||
| View original record | contd :- -2- Recent tests have shewn us very clearly that the method of manufacturing the plates seems to be the predominating factor in the durability of the spring. We are sending these springs into… | ||
| scan0067 | Blueprint of a 'Woodhead Special' leaf spring assembly with failure analysis notes. | ||
| View original record | WOODHEAD SPECIAL OFFSIDE BROKEN AT II MARKS. NEARSIDE BROKEN AT X MARK. 1" DIA RUBBER INSERTS AT R. EQUIDISTANT 2" FRONT END SPRING GAPES BADLY AT RUBBER INSERTS RUBBER INSERT Markings on spring… | ||
| scan0068 | Summarising the life and testing of four pairs of American type springs, comparing their performance and weight. | ||
| View original record | x248 To BY. from Hs/Rm. filing Hs/Rm5/LG16.10.28. c. to DA. Wor. X3900 x248. FOUR PAIRS OF AMERICAN TYPE SPRINGS. We attach a summary of the life of three pairs of these springs. It will be noted that… | ||
| scan0069 | Correspondence regarding four broken tappet springs from car 2579, and an inquiry about their performance on a testing rig to determine if the design is at fault. | ||
| View original record | ROLLS-ROYCE LIMITED, NIGHTINGALE ROAD, DERBY. TELEGRAMS: "ROYCAR," DERBY. TELEPHONES: 476 (Four Lines). (Handwritten Notes): O24 5725, Car 2579, C+P Bates (List of names on left, initialed 'Na.' for… | ||
| scan0070 | Page requesting a report from the makers, with a handwritten note regarding no trouble with breakings. | ||
| View original record | R.R. (557. (100H) (VV 240. 17.12.13) E.P. 5598. ROLLS-ROYCE LIMITED, NIGHTINGALE ROAD, DERBY. TELEGRAMS: "ROYCAR," DERBY. TELEPHONES: 476 (FOUR LINES). Names and Indicating letter. Initial of person… | ||
| scan0071 | Responding to a query about the reliability of Tappet Springs. | ||
| View original record | X1113 Re Tappet Springs. Na. WOR/Mcr25/028114. 28/1/14. In reply to your memo Na7/B27114, we wish to state that Mr. Hives reports that they have had no trouble with these breaking. p. Wor. | ||
| scan0072 | Responding to a report on Tappet Spring Breakages, outlining actions for inspection and testing. | ||
| View original record | To EP - from Sft. c. to DW. c. to Hs. c. to Wd. X.1113 Sft9/P22.12.20. -------------- [STAMP: Hs] [STAMP: RECEIVED DEC 22 1920] X.1113 Re Tappet Spring Breakages. -------------------------------- I… | ||
| scan0073 | Instruction card for the supply of valve springs to the test department. | ||
| View original record | R.R. 148 (20 H) (X 287. 8.11.11) G 2139. X290 g/535 Valve Springs. E 2360. (3 Cards) Inst. Supply to Test Dept 27/1/11 12 Valve Springs E 2360. (3 Cards) z complete with washers & cotters E2361/2.… | ||
| scan0074 | Two proposals for modifying valve springs. | ||
| View original record | 409 15th Sept. 1911 Re Valve Springs. Mr. Swetnam 15-9-11 N10/B15911 - If you have not already gone into this question will you please consider it following points of view:- (1) Increasing the number… | ||
| scan0075 | Departmental memo discussing and comparing the stresses on standard and proposed valve springs. | ||
| View original record | R.R. 348a (100 H) (W 603. 27.6.11) E. P. 9275. DEPARTMENTAL MEMO. REF. 38/18 (iii) Issued 28th Sept. 1911. This column is for Name of Person addressed. DATE. Re Valve Springs. Mr. Swetnam 28-9-11 Will… | ||
| scan0076 | Record card detailing information and reports regarding valve springs. | ||
| View original record | Section. X290 HOH 604 DESCRIPTION:- Valve Springs Date sheet from office. 3.10.11 Date Works instruction. Reported T.D. office. Date received. 6.10.11 Material received. Reported to office. Date.… | ||
| scan0077 | Specifications and test results for two types of valve springs. | ||
| View original record | M Rhodin X290 REPORT ON VALVE SPRINGS November 7th 1911 (a) Normal length 3 9/32" number of convolutions 10 1/4 end to end of wire, 9 5/8 full section of wire. Compressed to 2" pressure 42 lbs.… | ||
| scan0078 | Specifications for an experimental component, detailing its dimensions, convolutions, and performance under compression. | ||
| View original record | (c) Normal length 3 9/32" number of convolutions 9 1/2 end to end of wire, 8 1/2 full section of wire. Compressed to 2" pressure 49 lbs. Compressed to 1 9/16" pressure 70 lbs ( ie 7/16" lift ) Chock a… | ||
| scan0079 | Departmental memo requesting a new valve spring design and the handwritten response explaining why it's not possible. | ||
| View original record | R.R. 348a (100 H) (W 387. 4.4.11). E.P. 8817. DEPARTMENTAL MEMO. TBB/L4171111 REF 77(5) Issued Nov.17th 1911 This column is for Name of Person addressed. DATE. Re Valve Spring. Mr. Swetnam 17-11-11… | ||
| scan0080 | Meeting minutes discussing breakages and potential design improvements for valve springs. | ||
| View original record | R.R. 235A (100 H) X 206. 8.1.12) G 2289 Valves and Valve Springs Contd. (1a) 84th Meeting Nov. 24th.11. Re Valve Springs Chassis 970 - H.Thomas. Mr Nadin read to the Committee a letter from Mr Henry… | ||
| scan0081 | Meeting notes discussing new valve spring designs, experimental orders, and a failure on car 1698. | ||
| View original record | VALVES & VALVE SPRINGS (Contd.) (2) 90th Meeting Re Valve Springs. Nov. 30. 11. Mr. Swetnam submitted information concerning two new designs of valve springs, one having the outside diameter of the… | ||
| scan0082 | Valve spring breakages related to a new camshaft type, proposed testing, and potential replacement. | ||
| View original record | VALVES & VALVE SPRINGS (Contd.) (3) This spring had been replaced with the result that the second spring broke after 700 miles. With reference to the valve spring failures, the Committee have been… | ||
| scan0083 | Meeting notes discussing valve spring breakages and softness issues. | ||
| View original record | VALVES & VALVE SPRINGS (Contd.) (4) Mr. Johnson asks:- 1. Why the springs broke? 2. Information concerning the tests of this chassis? 3. [Strikethrough] Why the rotor gave trouble? [/Strikethrough] 4.… | ||
| scan0084 | Meeting minutes discussing the tempering, breakage, and testing of valve springs. | ||
| View original record | VALVES & VALVE SPRINGS (Contd.) (5) to which these springs were tempered in order to deal with our complaints of breakage; and while we retained this type of spring, we should be continually wavering… | ||
| scan0085 | Instruction card for the supply of experimental valve springs and associated parts. | ||
| View original record | R.R 148 (20 H) (W 953. 13.10.11) G 2051. X290 C/535. Experimental Valve Springs (3 Cars) Instn. 5.12.11 (3 Cards) Supply to Test Dept. 144 Springs E 2215 144 Washers E 2217 144 Cotter E 2218. 1 Set… | ||
| scan0086 | Response to Mr Johnson regarding the testing of broken valve springs and the quantity of spares. | ||
| View original record | Ref. 94(3) Re Broken Valve Springs. TBB5/L151211. Mr Johnson With reference to minute 3 of the 94th Meeting concerning a special testing rig for valve springs, you ask - "will the heat of engine… | ||
| scan0087 | Typed document fragment discussing the reliability of a specific part. | ||
| View original record | R.R. 235 (20 H) (W 974. 19.10.11) G. 2078 (2) reliability of this part. Watermark: DICKINSON BOND 1804 MADE AT CROXLEY | ||
| scan0088 | Request to arrange a testing rig for rapidly testing new design valve springs. | ||
| View original record | R.R. 235 (20 H) (W 974. 19.10.11) G. 2078. Re Testing Rig for Valve Springs. TBB18/L151211. Mr Swetnam 15/12/11 Will you kindly arrange some scheme for running a set of valve springs in an engine… | ||
| scan0089 | Meeting minute concerning the design and stress testing of experimental valve springs. | ||
| View original record | Ref. 103(ii) Copy of minute 2 of the 103 rd Meeting of the T.C. Mr Swetnam 22/12/11 TBB3/L221211. Valve Springs (Experimental) Mr Swetnam had previously submitted figures concerning the design of a… | ||
| scan0090 | Committee decision regarding the design and specifications of a spring. | ||
| View original record | R.R. 235A (100 H) (X 361. 28.11.11) G. 2195. from several standard springs (2) The working length of the spring will be increased by 1/2" by means of the special washers already designed and made. (3)… | ||
| scan0091 | Meeting minutes discussing experimental and broken valve springs, testing rigs, and designs for spring covers. | ||
| View original record | Valves and valve springs. Contd. (6) 101st Meeting Dec.19th.11. Experimental valve springs. Mr Wormald informed the Committee that he had a set of 12 valve springs and washers ready for Mr Platford… | ||
| scan0092 | Meeting minutes discussing the design and specifications for experimental valve springs. | ||
| View original record | Valves and Valve Springs. Contd. (7) agreed to the scheme having the halves forming the covers bolted together by two bolts at about their centre. A slight modification was necessary to this scheme to… | ||
| scan0093 | Minutes from a meeting discussing design specifications for new valve springs to achieve lower maximum stress. | ||
| View original record | Valves and valve springs Contd. (8) particular information should be given to Mr Swet-nam as follows, in order that he might go further into the matter and obtain a spring of lower maximum stress. 1.… | ||
| scan0094 | Meeting minutes discussing the design modifications and testing of experimental valve springs. | ||
| View original record | Valves and Valve Springs. Contd. (9) The Committee were also advised that Mr Swetnam would submit figures concerning experimental valve springs at the next meeting. 105th Meeting 28th Dec.11. Mr… | ||
| scan0095 | Committee report on issues with rotor and valve spring failures on chassis 1698 and recommended fixes. | ||
| View original record | Mr Wormald. 6/12/11 Mr Wormald submitted to the Committee a report concerning Captain Bushe's car 1698. The trouble with this chassis had been that the old type on rotor had burned badly at the… | ||
| scan0096 | Committee report discussing valve spring breakages, proposing rig tests, and addressing related technical queries. | ||
| View original record | (2) it advisable to make further investigations concerning the possibility of still further reducing this stress, and as previously recorded in the minutes, have ordered 1 gross of special springs… | ||
| scan0097 | Valve spring failures and their probable causes during vehicle testing. | ||
| View original record | (3) experienced any trouble with valve springs breaking while cars were on test. These failures generally occured after at least 700 or 800 miles running. 3. This trouble was probably caused by the… | ||
| scan0098 | Copy of minute 2 from the 103rd meeting of the T.C. concerning the design of experimental valve springs. | ||
| View original record | Ref. 103(ii) Copy of minute 2 of the 103rd meeting of the T.C. Mr Swetnam 29/12/11. TBB6/L291211. Re Valve Springs(Experimental) Mr Swetnam had previously submitted figures concerning the design of a… | ||
| scan0099 | Meeting minutes outlining design specifications for a spring and delegating responsibility for calculations. | ||
| View original record | (2) (2) The working length of the spring will be increased by 1/8" by means of the special washers already designed and made. (3) The total length of wire used to be such that there will be 12… | ||
| scan0100 | Report from the 109th meeting discussing the failure analysis of experimental and standard valve springs after testing. | ||
| View original record | (10) (100) Valves and valve springs. Contd. ~~per hour~~ 109th Meeting Jan 5th.12 Mr Platford submitted two broken valve springs of the heavy experimental type, and one standard spring, the coils of… | ||
| scan0101 | Committee discussion on valve spring vibrations, winding action, and potential design modifications to prevent breakages. | ||
| View original record | Valves and Valve Springs. Contd. (11) special spring washers, having a better bearing on the valve stem, to prevent any tipping action due to the cotter. Mr Swetnam remarked that some of the valve… | ||
| scan0102 | Meeting minutes discussing the testing and redesign of valves and valve springs. | ||
| View original record | Valves and valve springs Contd. (12) in the diameter of the coils as previously agreed upon. The Committee agreed that Mr Swetnam should issue instructions for special spring washers and also get out… | ||
| scan0103 | Committee discussion regarding the stress figures and design modifications for valve and valve springs. | ||
| View original record | R.R. (100H) (M 96. 24.2.10) E.P. 6128. Valves and valve springs. (13) Mr Swetnam then submitted figures concerning a spring of this description for which he had previously received instructions. The… | ||
| scan0104 | Valve spring, breaking, and cam shape. | ||
| View original record | R.R. 512 (2 1/2 H) (X. 435. 14.12.11) G. 2227. X841 (crossed out) X299 Section 604 Description: Valve s/p, breaking, & cam shape. First Column: Date: 1/1/12. REPORT: H. wish to test slope of cam,… | ||
| scan0105 | Outlining the setup for an experiment to test the noise produced by different valve springs and cam designs. | ||
| View original record | COPY. Le Canadel. 10th April 1912 To Members of Technical Committee. Testing exhaust valve springs, and the difference in silence of one pattern of cam and another, and the difference of exhaust and… | ||
| scan0106 | Meeting minute discussing the failure of experimental and standard valve springs during testing. | ||
| View original record | Ref. 109(1) Mr Swetnam 11/1/12. Copy of minute 1 of the 109th meeting of the T.C. TBB12/111112. Re Valve Springs. Mr Platford submitted two broken valve springs of the heavy experimental type, and one… | ||
| scan0107 | Committee discusses valve spring vibrations, failures, and potential design modifications. | ||
| View original record | (2) Mr Swetnam remarked that some of the valve springs vibrated more violently than others on the test rig. The Committee agreed that this point was of some importance, and should have special… | ||
| scan0108 | Meeting minute concerning the testing and design of valve springs. | ||
| View original record | Ref. 111 (vii) Mr Swetnam. 17/1/12. TBB4/L17112. Copy of minute 7 of the 111th meeting of the T.E. Re Valve Springs. Mr Platford informed the Committee that he had tested 8 of the experimental springs… | ||
| scan0109 | Committee meeting notes regarding instructions for the manufacture of modified springs and washers for a valve spindle. | ||
| View original record | by .2". The Committee agreed that Mr Swetham should instruct a suitable quantity of these springs with a larger diameter of coil, to be fitted with the ordinary stepped type of washer, with the… | ||
| scan0110 | Testing and performance measurements of twelve different valve springs. | ||
| View original record | x290 Section 604 REPORT ON VALVE SPRINGS 29.1.12 No. | Hours running | Measurements before | Measurements now | R E M A R K S. ---|---|---|---|--- 1 | 179 1/2 | 3 1/16 | - | No.1 took a permanent set… | ||
| scan0111 | Correspondence regarding broken valve springs on Whitaker's Car No.941 due to a flaw in the metal. | ||
| View original record | X.290 February 24th. 1912 Re Whitaker's Car No.941 (broken valve springs.) TBB1/L24212. Mr DeLooze 24/2/12. Mr Lomas I agree with Mr Wormald that the cause of these breakages is apparently in every… | ||
| scan0112 | The concluding paragraph of a piece of correspondence requesting its return after being reviewed by a committee. | ||
| View original record | brought before the Committee at some later date when the other members have returned, will you kindly return to me this correspondence. [Stamp: 1804] [Watermark: DICKINSON BOND] | ||
| scan0113 | Proposing solutions to overcome the problem of broken valve springs. | ||
| View original record | Mr Wormald Recd. 11/3/12 Le Canadel. 7th March.1912. [STAMP: W M MAR 19 13 RECEIVED] [STAMP: C.E. and Technical Committee] Re Valve Springs. The trouble of broken valve springs I propose to attack in… | ||
| scan0114 | Recommendations regarding valve spring design and reducing the lift of the exhaust valve. | ||
| View original record | (2) Salters will understand how to make such a spring so that the convolutions come close together when the spring is compressed to its minimum length. As the same gauge of wire throughout the length… | ||
| scan0115 | Heat treatment processes, material selection, and stress testing for steel springs. | ||
| View original record | (3) We might also try to heat treat springs ourselves to give better results. Heat treat in the usual way, viz. lowest temperature which gives correct hardness. Tempering consists of letting down by… | ||
| scan0116 | Valve spring stress testing, material suggestions, and design considerations. | ||
| View original record | (4) stress until it is found that the spring breaks after running, and it will then be ascertained what maximum stress the metal will stand. Batches of six springs should be tested at a time.… | ||
| scan0117 | Suggestion to make valve washers lighter and tapered as per a sketch. | ||
| View original record | (5) Valve washers should be made lighter, could not same be tapered as per sketch ? F.H.R. | ||
| scan0118 | Record concerning a valve spring and the supply of spring washers. | ||
| View original record | R.R. 149 (20 H) (X 594. 6.2 12) G 2370 Q/535. Valve Spring E 2360 X290 (1 Card) Inskd Supply Hit 18/3/12 13 Pairs Spring Washers E 2475/b. (1 Card) * Finished fettled on crankcase in Grinding Dept.… | ||
| scan0119 | Note from Mr. Royce regarding a new valve spring design to reduce stress. | ||
| View original record | ef. Mr Royce's Note 6/3/12. Re Valve Springs. TBB11/L27312. Engine Dept. 27.3.12. D.O. Please get out a valve spring having the convolutions of larger diameter at the top. This will reduce the stress… | ||
| scan0120 | To the Technical Committee detailing an experiment to test the noise levels of different cam patterns and valve springs. | ||
| View original record | R.R. 935A (160H) (PP 289. 19.12.12) G 4457 COPY. Le Canadel, 10th April 1912. To Members of the Technical Committee. Testing exhaust valve springs, and the difference in silence of one pattern of cam… | ||
| scan0121 | Request for a scheme to set up a test rig for running two camshafts to criticize noise levels from different cam profiles. | ||
| View original record | Engine Dept. 18.4.12. D.O. Re testing exhaust valve springs. TBB14/L18412. Will you please get out a scheme for running two camshafts in a marine engine crankchamber by means of separate belts. The… | ||
| scan0122 | Recurring broken valve spring failure and the experiments being conducted to resolve the issue. | ||
| View original record | X2cp April 26th. 1912. Re broken valve spring on 1600 Mr DeLooze. 26.4.12. TEE1/L26412. This appears to be a similar failure to a number which we have had recently. We are making extensive experiments… | ||
| scan0123 | To Mr. Royce regarding issues with sourcing and manufacturing valve springs. | ||
| View original record | TBB12/L20612. June 20th. 1912. Mr Royce. Re Valve Springs. The taper valve springs which you recommended will be placed on order to-day (June 20th). Mr Nadin has obtained a number of special valve… | ||
| scan0124 | The failure of valve springs, attributing the cause to vibration and material variation. | ||
| View original record | (2) out enquiries to two other makers for further batches of raw springs. With reference to the reason for the failure of our valve springs, I think it is important to note that we have a very great… | ||
| scan0125 | Page three of a typed document ending a sentence. | ||
| View original record | (3) the cause of our trouble. | ||
| scan0126 | Record card for the supply and fitting of Ribbon Valve Springs. | ||
| View original record | R.R. 148 (20 H) (X 829. 12.4.12) G 2506. X290 X494 G/535 Ribbon Valve Springs Instd. Supply 12 Spring washers E 2615. 21/6/12. (1 Card) Finished & fitted to cylinders in Grinding Dept according to Mr… | ||
| scan0127 | Instruction card for the supply of Ribbon Valve Springs and associated parts. | ||
| View original record | R.R. 148 (20 H) (X 828. 12.4.12) G 2506. X290 X494 9535.* Ribbon Valve Springs. Instn Supply 12 Spring Washers E2659. 21/6/12 (1 Card) Furnished with taper valve springs E2654. 12/7/12. | ||
| scan0128 | Test report for ribbon valve shrings. | ||
| View original record | R.R. 512 (2½ H) X. 488. 2.1.12.) G 2273. *494 X290 604. Section Description "Ribbon valve shrings. to test." Date | Miles | REPORT 10-7-12 | | Fix on jig. 13-7-12 | | 1 Exhaust 1 Inlet. Broken after… | ||
| scan0129 | Failure of ribbon valve springs during testing on a jig. | ||
| View original record | Mr Barrington X290 18.7.12 X494 RE RIBBON VALVE SPRINGS With reference to the tests of the above we have run a set of these on the test jig for about 50 hours after which one of the rear valve springs… | ||
| scan0130 | To Mr Wormald regarding the decision not to consult Mr Royce on valve spring issues. | ||
| View original record | X290 DICKINSON BOND Re Swingler (98H) MADE AT CROXLEY Mr Wormald. 24.7.12. With reference to the attached I do not think we should trouble Mr Royce with this case as he is fully conversant with our… | ||
| scan0131 | Partial sentence from a typed letter or memo on watermarked paper. | ||
| View original record | served by so doing and it may unnecess- arily worry him. [Watermark] DICKINSON BOND 1804 MADE AT CROXLEY [Footer, upside down] H.F. 2354 (100 H) (LIL. 354 3.7.12) (c) 2659. | ||
| scan0132 | To Mr Barrington regarding the satisfactory testing of large taper valve springs. | ||
| View original record | x290 Mr Barrington. 26.7.12 RE LARGE TAPER VALVE SPRINGS E 2614. These have been tested on the jig equivalent for 10000 miles on the road and are quite satisfactory. We are testing a further set of… | ||
| scan0133 | The testing results for taper valve springs. | ||
| View original record | See later Cvrd. X290 File Mr Barrington for Mr Elliott. August 23rd 1912. REPORT ON TAPER VALVE SPRINGS. With reference to Mr Elliott's sheet of the 21st re above addressed to me the second half dozen… | ||
| scan0134 | Ordering and testing of taper valve springs for experimental cars. | ||
| View original record | Re Taper Valve Springs. TBB8/L29812. Mr Platford 29.8.12. With reference to further tests of the taper valve springs for which special valves are required. I understand a gross of these are on order,… | ||
| scan0135 | To Mr Barrington regarding the performance of large taper valve springs. | ||
| View original record | Mr Barrington X290 RE LARGE TAPER VALVE SPRINGS The second set of the above have now run for 10,000 miles without breakages. E.P. File | ||
| scan0136 | Report to Mr. Nadin regarding broken valve springs as reported by Hives. | ||
| View original record | x290 600 EP30/T181012. Mr. Nadin. RE VALVE SPRINGS. 18.10.12. With reference to the above Hives reports as follows:- " Another valve spring has broken, this makes a total of four, No. 6 inlet after 30… | ||
| scan0137 | Valve spring failures and fault analysis for chassis 2100E. | ||
| View original record | TBB26/L41212 December 4th 1912 Report on Special Parts fitted to Chassis 2100E. 26. VALVE SPRINGS :- These are of the taper design but I regret to report we are having a considerable number of… | ||
| scan0138 | Spring failures due to faulty materials and manufacturing, detailing test results. | ||
| View original record | flaw. I do not think there is any doubt but that the springs fail owing to faulty material and manufacture. We have bounced 150 of the old type of spring but could not find one which gave a poor note,… | ||
| scan0139 | Stress, testing, sourcing, and hardening of valve springs. | ||
| View original record | H.R. 235A (100H) (PP351. 2.1.13) G 4088 COPY. R1/B11213. C.J. from F.H.R. for Messrs. Wormald, Nadin & Elliott. Re Valve Springs. Will Mr. Elliott calculate (by our spring list) the stresses that the… | ||
| scan0140 | Instruction sheet requesting information and analysis of valve springs from Mercedes and Napier engines. | ||
| View original record | R.R. 300. (6 B) (L. L. 690. 26.9.12) G. 2901. ROLLS-ROYCE LIMITED. E. 7594 INSTRUCTIONS. To: agr Hal derby To (crossed out): AW Wormald Please deal with 13.2.13 WN Order No.: Re: R I B 11213 Date:… | ||
| scan0141 | Valve spring test, discussing rig modifications and obtaining competitor springs for comparison. | ||
| View original record | C.R. 235A (100M) (FP351. 2.1.13) G 4088 AW/SM28/014213. Re X.74 - VALVE SPRING TEST. Mr. Nadin. 14/2/13. You will notice on Mr. Royce's memo R1/B11213, a copy of which you have that he suggests that… | ||
| scan0142 | Departmental memo about enquiries into the supply of valve springs from various manufacturers. | ||
| View original record | R.R. 475 (100 H) (PP 499. 31.1.13) E.P. 3506. ROLLS-ROYCE LIMITED, NIGHTINGALE ROAD, DERBY. TELEGRAMS: "ROYCAR," DERBY. TELEPHONES: 476 (Four Lines). N14/B21213. DEPARTMENTAL MEMO. This column is for… | ||
| scan0143 | Departmental memo chasing up a request for particulars on exhaust valve springs for Mercedes and Napier engines. | ||
| View original record | R.R. 475 (100 H) (PP 366. 7.1.13) E.P 3312 ROLLS-ROYCE LIMITED, NIGHTINGALE ROAD, DERBY. TELEGRAMS: "ROYCAR," DERBY. TELEPHONES: 476 (FOUR LINES). DEPARTMENTAL MEMO. AW/SM9/L28212 This column is for… | ||
| scan0144 | Napier valve springs, detailing measurements of length and weight for both exhaust and inlet springs. | ||
| View original record | R.R. 238 (24 B) (LL. 512. 20.8.12) F.P. 2350. ROLLS-ROYCE LIMITED. INSTRUCTIONS. To: Mr Wormald Order No. Sheets PW/SM9/L28213 & Mr Elliotts sheets ero 7594 & 10149. Customer's No. Report on Napier… | ||
| scan0145 | Dimensional analysis of a Napier valve spring with a note on the unavailability of a Mercedes part. | ||
| View original record | R.R. 238 (24 B) (I.L. 512. 20.8.12) F.P. 2350. ROLLS-ROYCE LIMITED. INSTRUCTIONS. To Order No. // Customer's No. Napier Valve Springs [Drawing of a spring with the following dimensions listed from top… | ||
| scan0146 | Letter from Vickers Limited detailing the heat treatment process for spring steel. | ||
| View original record | +290. COPY 9th April 1913. Messrs Rolls-Royce Ltd., Nightingale Road, DERBY Dear Sirs, Your order No. T.T.491 As promised we are to-day forwarding the Spring Steel against the above order; the… | ||
| scan0147 | The supply of wire for valve springs and a request for a report on their manufacture. | ||
| View original record | X290 AW/SM3/L11413 Re Valve Springs made at Derby. C.916 and E.2614 - X.98 Mr Hives Mr Matthews 11-4-13 Please note that the stores now have a supply of 9 S.W.G. and 10 S.W.G. wire from Messrs Vickers… | ||
| scan0148 | Quoting Mr. Royce's remarks on sourcing valve springs and preferred material. | ||
| View original record | R.R. 235a (100H) PP 289 13 12.12) G 4057 AW/SM6/L29413 Re Valve Springs. - X.290 Order Office 29-4-13 In reference to the valve springs ordered from Messrs Terry & Sons Mr Royce remarks :- "These… | ||
| scan0149 | Instruction to the Order Department to urgently order stronger valve springs for specific chassis and experimental purposes. | ||
| View original record | R.R. 300. (6 B) (P.P. 332. 23.12.12) G. 4081. +290 10322 ROLLS-ROYCE LIMITED. E. INSTRUCTIONS. 14th May. 1913. To: Order Dept. Chassis: 2354, 2369. Spanish Trials. Customer's No. N29/B9613 Hurltoga… | ||
| scan0150 | Potential issues with valve springs for the Austrian and Spanish Trials cars, suggesting a comparative test. | ||
| View original record | ROLLS-ROYCE LIMITED, NIGHTINGALE ROAD, DERBY. TELEGRAMS: "ROYCAR," DERBY. TELEPHONES: 476 (Four Lines). Handwritten top right: X290 Names and Indicating letter. Initial of person addressed. A Mr.… | ||
| scan0151 | Stronger valve springs for Spanish Trials cars. | ||
| View original record | 4290 Wor/SM5/L30513 Re stronger Valve Springs for Spanish Trials Cars. Z.449 Hy 30/5/13. Please note that 4 sets of the above Valve Springs E.3343 can now be had on application to the stores. They… | ||
| scan0152 | Order for four sets of valve springs for chassis 2354 and 2369. | ||
| View original record | R.R. 657. (100H) (P.P. 976. 5.5.13) E.P. 4143. ROLLS-ROYCE LIMITED, NIGHTINGALE ROAD, DERBY. TELEGRAMS: "ROYCAR," DERBY. TELEPHONES: 476 (FOUR LINES). Handwritten: X290 Names and Indicating letter.… | ||
| scan0153 | Weekly report from Experimental Department 'B' on steering pivot tests and valve spring tempering. | ||
| View original record | [Handwritten annotations]: XJB 4290 File [Typed text]: From Exp. Dept. Copies for: Mr Johnson. Mr Royce. Wor/Hy10/L10613. June 10th. 1913. Experimental Dept. "B" Weekly Report for June 7th. Reports… | ||
| scan0154 | Weekly report from the Experimental Department listing submitted reports and detailing valve spring tests. | ||
| View original record | Mr Johnson. Mr Royce. X290 Wor/Hy5/L2713. July 2nd. 1913. Experimental Dept. B. Weekly Report for Week ending June 28th. Reports have been sent in on :- X.168 Steering Pivot F.2353 reduced in dia. at… | ||
| scan0155 | Note on the endurance testing of oil bath tempered valve springs. | ||
| View original record | Wor/EH19/L16713. (contd) 2. File X.472 - Valve Springs tempered in oil bath. These have run 50 hours at 2000 revs without a breakage. [Watermark: DICKINSON BOND MADE AT CROXLEY] [Footer: R.R. 285A… | ||
| scan0156 | Complaint log detailing a customer's issues with repeatedly breaking valve springs on car number 60503. | ||
| View original record | R.R. 256. (5 H.) (X.X. 753. 9/5/13.) Bm. 7201979. G/CDM44/IL29713. COMPLAINT. MR. JOHNSON. 30th July 1913. Re J. L. Clark - Car No. 60503. X290 1913 April 18th. Customer informs W that since the car… | ||
| scan0157 | Complaint log detailing the investigation and resolution of an issue with defective springs for customer J. L. Clark. | ||
| View original record | -2- R.R. 256. (5 H.) (X.X. 753. 9/5/13.) Bx. 7201979. COMPLAINT. Re J. L. Clark (Contd). 1913 June 9th Mr. Wormald is asked for the makers report on the defective springs returned from customer. June… | ||
| scan0158 | Follow-up communication regarding a customer complaint about valve springs. | ||
| View original record | -3- COMPLAINT. Re J. L. Clark, (Contd). 1913 July 29th. W ask customer if the valve springs forwarded on June 3rd were working satisfactorily. July 30th. He replies that the car has been running well… | ||
| scan0159 | Memo discussing difficulties with valve springs and the destructive testing procedures for new batches. | ||
| View original record | Do you think we have quite got over the valve spring difficulty. W.M. dfficulty. Are samples from each batch of springs put through a rapid destructive test before the new subducer springs of that… | ||
| scan0160 | Experiment No. 472 regarding the testing of valve springs tempered in an oil bath. | ||
| View original record | From Exp. Dept. Copies for: Mr Johnson. Mr Royce. Mr Elliott. Mr Nadin. 7290 Wor/WH12/LS1713. July 31st 1913. Report on Experiment No.472 Valve Springs tempered in oil bath at Derby. These springs ran… | ||
| scan0161 | Experiment with valve springs tempered in an oil bath for the Spanish Trials cars. | ||
| View original record | R.R. 235a (150 H) (XX. 79. 8.7.13) E.P. 4584. X290 Wor/SM4/L1813. Re Valve Springs tempered in oil bath in Derby. K.472. J. 1-8-13. R. Na. E. We attach herewith Mr. Hive's report on the above. This… | ||
| scan0162 | Tempering of valve springs in an oil bath and its effects on engine performance. | ||
| View original record | COPY. X290 XH72 R8/P6813. August 6th. 1913. E. J. Na. Pd. Wor. Re Valve Springs tempered in oil bath at Derby. X. 472 I understand from this that we can temper valve springs quite low enough (i.e.… | ||
| scan0163 | Note on the performance of two batches of taper valve springs, one successful and one a failure. | ||
| View original record | Mr Wormald Y.290 These valve springs were the first taper springs E 2614, they were not exact to the Drg, we tested them & got excellent results. Another batch was ordered but these did not turn out… | ||
| scan0164 | Testing and results of different batches of valve springs. | ||
| View original record | Wor/SM5/L19813. Re Valve Springs. X.290 D. 19-8-13. We return herewith a batch of correspondence that was handed to us yesterday from your department, the covering sheet of which is D36/EF26912. The… | ||
| scan0165 | Suggestion for valve springs that was not adopted. | ||
| View original record | Wor/SM13/L22813. Re Valve Springs. X.290 D. 22-8-13. Referring to the attached correspondence and particularly to your memo D35/L21813, we wish to state that we have no correspondence relating to this… | ||
| scan0166 | Letter responding to a query about recurring issues with faulty valve springs from a supplier. | ||
| View original record | R.R. 657. (100H) (XX. 996. 23.6.13) E.P. 4502. ROLLS-ROYCE LIMITED, NIGHTINGALE ROAD, DERBY. TELEGRAMS : "ROYCAR," DERBY. TELEPHONES : 476 (FOUR LINES). Wor/SM5/L25813. Names and Indicating letter.… | ||
| scan0167 | Rapid destructive test for valve springs and a request for a better design. | ||
| View original record | R.R. 657. (100H) (XX 996. 23.6.13) E.P. 4502. ROLLS-ROYCE LIMITED, NIGHTINGALE ROAD, DERBY. 38. A7. TELEGRAMS "ROYCAR," DERBY. TELEPHONES: 476 (FOUR LINES). Names and Initials: [Stamp: Enclosure]… | ||
| scan0168 | Need for a more severe, rapid destructive testing method for valve springs. | ||
| View original record | X290 C O P Y. X290 Rapid Testing of Valve Springs. --------------------------- Na. WOR24/T4913. Mr. Johnson considers that we ought to take samples out of each batch of valve springs that come from… | ||
| scan0169 | Testing stronger valve springs for increased engine speed. | ||
| View original record | X290 From Exp. Dept. Copies for: J. R. E. Na. October 1st. 1913. Wor/EH14/L11013. Re Stronger Valve Springs for increased speed. K.449 We have tested some strong Valve Springs, they were intended to… | ||
| scan0170 | Memo discussing valve spring modifications to increase engine RPM before valve jumping occurs. | ||
| View original record | ROLLS-ROYCE LIMITED, X290 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.… | ||
| scan0171 | Proposing stronger valve springs to prevent jumping at increased engine speeds, with specific load and tempering requirements. | ||
| View original record | COPY. V290 COPY. R2/P 14.10.13. Re Stronger Valve Springs for increased speed. X.449 To E. from R. Copy to Wor. " " Hives. " " J. I propose that the normal load shall be 55 lbs plus or minus 2 lbs. I… | ||
| scan0172 | The progress of designing a rig for destructive testing of valve springs, with a handwritten reply. | ||
| View original record | Re destructive tests on Valve Springs. X 290. M. 9-12-13. Le Canadel. You will remember that about 3 months ago Mr Wormald requested you to design some rig which would enable us to make a rapid… | ||
| scan0173 | Progress on a new rig for the rapid destructive testing of valve springs. | ||
| View original record | M12/L171213. Re Rapid Testing of Valve Springs. X.290. Na. 17-12-13. Mr Johnson instructed some time ago that samples of every batch of valve springs be tested to destruction, and in consequence Mr… | ||
| scan0174 | Chasing a delay on the development of a rig for the rapid destructive testing of valve springs. | ||
| View original record | R.R. 657. (100H) (VV.88. 19.11.13) E.P. 5408. ROLLS-ROYCE LIMITED, NIGHTINGALE ROAD, DERBY. TELEGRAMS: "ROYCAR," DERBY. TELEPHONES: 476 (FOUR LINES). Wor/SM7/L15114. Names and Indicating letter.… | ||
| scan0175 | Chasing a delayed request for a method of rapid destructive testing for valve springs. | ||
| View original record | R.R. 235A (150 H) (V.V. 216. 12.12.13) G. 0233. Re Rapid Testing of Valve Springs. X. 290. E. WOR/SM12/016114. 16/1/14. Le Canadel. On 4/9/13, we wrote Mr. Nadin to instruct the Drawing Office to get… | ||
| scan0176 | Directive based on Mr. Royce's feedback to perform a destruction test on valve springs by running the existing rig at a higher speed. | ||
| View original record | R.R. 657. (100H) (XX. 83T. 27.5.13) E.P. 4330. ROLLS-ROYCE LIMITED, NIGHTINGALE ROAD, DERBY. TELEGRAMS "ROYCAR," DERBY. TELEPHONES : 476 (Four Lines). E11/T. 16.1.14. Names and Indicating letter.… | ||
| scan0177 | Issues and alterations regarding valve springs, change speed levers, the car body, and despatch logistics. | ||
| View original record | X649 Valve Springs. Mr Royce instructed special valve springs but we have had to return about 8 sample sets to the makers due to them not following our specification sufficiently accurately. If we… | ||
| scan0178 | Need for a dedicated rig for rapidly testing valve springs. | ||
| View original record | R.R. 235 A (150 H) (V.V. 303. 5.1.14) G. 0255. Wor/Mcr2/L22114. Re rapid test of Valve Springs. X. 290 Na. 22-1-14. With reference to Mr Elliott's memo Ell/T16.1.14, a copy of which you have, we wish… | ||
| scan0179 | Authorization to construct a second high-speed valve spring testing rig due to high demand, using scrapped parts. | ||
| View original record | R.R. 657. (100H) (XX. 206. 30.7.13) E.P. 4696. ROLLS-ROYCE LIMITED, NIGHTINGALE ROAD, DERBY. TELEGRAMS: "ROYCAR," DERBY. TELEPHONES: 476 (Four Lines). E4/T. 26.1.14. Names and Indicating letter.… | ||
| scan0180 | Instruction sheet for supplying scrap parts required for a test on valve springs. | ||
| View original record | R.R. 26 (6 DOZ.) (XX. 367. 9/9/13.) Bm. 72.1786. ROLLS-ROYCE LIMITED. INSTRUCTIONS. To... Mr Wormald, Girdlers Date... 18-2-1914 Order No... 573 Customer's No... X290 Rapid Test of Valve Springs.… | ||
| scan0181 | Instruction sheet for a rapid test of valve springs and a list of related parts. | ||
| View original record | R.H. 46 (6 doz.) (XX. 367. 9/9/13.) Hm. 7s.1786. ROLLS-ROYCE LIMITED. ② INSTRUCTIONS. To: M/c Dormald Garden. Order No. 573 Customer's No. Rapid Test & Valve Springs. C.368 Camshft Bearing (Rear) 1… | ||
| scan0182 | Instruction sheet for ordering various cast iron castings for a rapid test of valve springs. | ||
| View original record | R.R. #s (6 DOZ.) (XX. 367. 9/9/13.) Bm. 72.1786. ROLLS-ROYCE LIMITED. INSTRUCTIONS. 716s Wormald To Cheethams Order No. 513 Customer's No. 18 - 2 - 1914 Rapid Test of Valve Springs Please order the… | ||
| scan0183 | Instruction sheet for erecting tackle for a rapid test of valve springs. | ||
| View original record | R.R. 26 (6 DOZ.) (XX. 367. 9/9/13.) Bm. 72.1786. ROLLS-ROYCE LIMITED. INSTRUCTIONS. Mr Wormald To.. " Johnson Date: 19 - 2 - 1914 Order No. 573 Customer's No. X.290 Rapid Test of Valve Springs. Please… | ||
| scan0184 | Instruction sheet to order two cast iron pulleys for a rapid test of valve springs. | ||
| View original record | R.K. 25 (6 DOZ.) (XX. 367. 9/9/13.) Bm. 72.1786. ROLLS-ROYCE LIMITED. INSTRUCTIONS. To: Mr Wormald (struck through) To: Mr Cheetham Order No. 513 Customer's No. Rapid Test of Valve Springs. Please… | ||
| scan0185 | The delay and progress in creating a rig for rapid destructive testing of valve springs. | ||
| View original record | Wor/Mcrl/L20214. Re Rapid Destructive test of Valve Springs. X.290 J. 20-2-14. Arising out of a complaint re Valve Springs breaking, on 30/7/13 you asked whether samples from each batch of springs… | ||
| scan0186 | Instruction sheet regarding a rapid test for valve springs and an order for two C.I. caps with a diagram. | ||
| View original record | R.R. 26 (6 doz.) (XX. 367. 9/9/13.) Bm. 72.1786. ROLLS-ROYCE LIMITED. INSTRUCTIONS. To.. Mr Wormald. " Cheetham. 20-2-1914 Order No. 513 Customer's No. X290 Rapid Test of Valve Springs. Please order 2… | ||
| scan0187 | Instruction sheet for the manufacture of an adapter for a camshaft for rapid valve spring testing. | ||
| View original record | H.H. 427 7481 (L.L. 48, 14.8.12) G. 9781. ROLLS-ROYCE LIMITED. INSTRUCTIONS. 20 1914 To Mr. WORMALD. Mr. Vale. Order No. 513 Piece No. X290 Rapid Test of Valve Spring PLEASE HAVE MADE Adapter for… | ||
| scan0188 | Instruction sheet detailing a rapid test for valve springs and a method for supporting the front end of a crankcase. | ||
| View original record | R.R. of (L) Ltd (SS. ph. 9/9/13) Bm. 70.1786. ROLLS-ROYCE LIMITED. INSTRUCTIONS. 96s Wormald. To Johnson. Order No. 513. Customer's No. X290. Rapid Test of Valve Springs. Nuts. K.4012 4off. Washers.… | ||
| scan0189 | Instruction sheet for a rapid test of valve springs. | ||
| View original record | R.R. #4 (8 mo.s) (S.S. 387. 9/9/13) Bm. 7s.1786. ROLLS-ROYCE LIMITED. INSTRUCTIONS. To: Mᶜ Mercers Date: 20-2-1914 Order No. 513 Customer's No. X 290 Rapid Test of Valve Springs Shops instructed… | ||
| scan0190 | Extract from a report on the Spanish Grand Prix regarding tappet spring failures. | ||
| View original record | X. 290 Extract from Mr. Platford's report re Cars in Spanish Grand Prix. - in X. 387. Tappet Springs require attention, we had several of these break although they did not affect the running of the… | ||
| scan0191 | Internal query and response regarding the correct washers to be used with Conical Valve Springs E4247. | ||
| View original record | R.R. 657. (100H) (VV. 771. 26.3.14) E.P. 6273. ROLLS-ROYCE LIMITED, NIGHTINGALE ROAD, DERBY. TELEGRAMS: "ROYCAR," DERBY. TELEPHONES: 476 (FOUR LINES). Wor/Mcr23/L20514. X290 Names and Indicating… | ||
| scan0192 | Specification for conical valve springs fitted to chassis 58NA. | ||
| View original record | X290 FITTED TO CHASSIS 58NA ON 26. 5. 14. X. 565. CONICAL VALVE SPRINGS. These springs are made to drawing E4247 and have a less number of coils than the conical springs previously tested, viz.,… | ||
| scan0193 | Correspondence regarding a customer query on the safe replacement interval for valve springs to prevent road-side breakages. | ||
| View original record | P74/IJ15614 COPY. √290 Re. 60510 - R.M.Hudson. Wor. 15.6.14. In accordance with Na's instructions, we advised this owner that we were preparing a set of valve springs of our own manufacture, which… | ||
| scan0194 | The replacement of valve springs, with a handwritten reply. | ||
| View original record | R.R. 657. (100H) (VV.771. 26.3.14) E.P. 6273. ROLLS-ROYCE LIMITED, NIGHTINGALE ROAD, DERBY. TELEGRAMS: "ROYCAR," DERBY. TELEPHONES: 476 (FOUR LINES). Names and Indicating letter. Initial of person… | ||
| scan0195 | Issue with inlet valve springs and a request for remarks. | ||
| 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). Names and Indicating letter. Initial of person… | ||
| scan0196 | Responding to a query about valve springs, quoting Mr. Hives' recommendation on the matter. | ||
| View original record | Wor/Mcr8/L18614. X290 Re Valve Springs. X.858 Mr Plumpton. 18-6-14. In reply to your memo Wor/HS26/M 17614, we wish to state that we have taken this matter up with Mr Hives and he reports as follows… | ||
| scan0197 | Extract from a report on a 10,000-mile engine bench test, detailing valve mechanism issues. | ||
| View original record | R.R. 235a (150 H) (W.W. 315. 21-5-14) G. 6570. V290 X. 586. Extract from Mr. Hives's report, Wor/EH14/L19614, on the 10,000 mile Engine Bench Test. ----------------------------- This test is now… | ||
| scan0198 | Letter regarding the standardisation of taper valve springs by outsourcing the winding process to an external company. | ||
| View original record | COPY. X290 ReTaper Valve Springs. Wor. Na5/B24614. With reference to the standardisation of taper valve springs which have done so well on Mr. Hives test, I presume if we could have the springs wound… | ||
| scan0199 | Agreeing to the standardization and procurement of taper valve springs. | ||
| View original record | C O P Y. X290 WOR20/T25614. Taper Valve Springs. Na. 25/6/14. Re - Na5/B24614. I quite agree with your note that it would be splendid if we could get taper valve springs wound from our wire, and sent… | ||
| scan0200 | Request for a report on the rig test of taper valve springs for standardisation. | ||
| 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). Names and Indicating letter. Initial of person… | ||
| scan0201 | The rig testing of valve springs. | ||
| View original record | 4290 From Exp. Dept. Copies for: J. R. E. Na. Wor/EH8/L11714. July 11th.1914. Report on rig test of Valve Springs [Handwritten and crossed out: E4247 - A 500] These springs have run 10,000 miles at… | ||
| scan0202 | The urgent need to fit improved valve springs made from Woodhead's steel. | ||
| View original record | X290 COPY. To E. from R. Copy to J. Copy to Wor. Copy to. Na. R8/P 13. 7. 14. Valve Springs. We understand that valve springs are now being made of the improved pressure and size of wire and taper… | ||
| scan0203 | Confirming agreement for the standardisation of valve springs and recessed washers. | ||
| View original record | X290 WOR18/T20714. Re Valve Springs and Recessed Washers for same. E. 20/7/14. I am in agreement with the immediate standardisation of these valve springs. 225X [Watermark: DICKINSON BOND 1804] | ||
| scan0204 | Communication protocols and agreeing to the standardization of valve springs and recessed washers. | ||
| View original record | R.R. 637. (100H) (W.W. 373. 4.6.14.) E.P. 6736. ROLLS-ROYCE LIMITED, NIGHTINGALE ROAD, DERBY. TELEGRAMS: "ROYCAR," DERBY. TELEPHONES: 476 (Four Lines). Handwritten: Y290 Names and Indicating letter.… | ||
| scan0205 | Failure of valve springs and seeking clarification on the cause from Mr Royce. | ||
| View original record | C O P Y. x490 COPY. To Wor. for EH. from E. E1/IB9715. July 9th. 1915. Re Valve Springs. ------------------- A doubtful point has arisen in connection with the use of high or low stresses in valve… | ||
| scan0206 | Extract note regarding the fitting of stronger valve springs. | ||
| View original record | Extract from 28230 of the 22-10-15. re AQ & P2 Stronger Valve Springs E519s have been fitted to AQ & P.B sgd. H.E. Matthews X290 | ||
| scan0207 | Proposal from 'Joy Supply' for a simplified method of removing and replacing engine valves. | ||
| View original record | 12. Glazbury Road. West Kensington. London. W.14. 3. 4. 20. X290 Dear Sirs, We beg to draw your attention to what we think is the simplest and easiest method of removing & replacing the valves of… | ||
| scan0208 | Drawing of a valve spring support with dimensions labelled A, B, C, and D. | ||
| View original record | y Valve Spring Support. A B C D S N RECEIVED APR 7 1920 | ||
| scan0209 | Instructional leaflet for 'Joy Valve Spring Supports', a time-saving device for internal combustion engines. | ||
| View original record | A BRITISH TIME-SAVING DEVICE. One Set of 8 “JOY VALVE SPRING SUPPORTS,” Size No. 1, for Ford Cars, 3/- per set. A Great Boon to Motorists and all users of Internal Combustion Engines. To use: (1)… | ||
| scan0210 | Departmental memo detailing the heat treatment and testing process for valve springs. | ||
| View original record | R.R 475 (50 H) (X 36. 20.2.12) E.P. 1297. ROLLS-ROYCE LIMITED, NIGHTINGALE ROAD, DERBY. TELEGRAMS: "ROYCAR," DERBY. TELEPHONES: 813 (Two Lines). DEPARTMENTAL MEMO. Name of Person addressed: Mr… | ||
| scan0211 | The testing and fitting of brass strips to bonnets. | ||
| View original record | 1374 Section 102. Description: Brass strips to Bonnets Date: 10/4/12 Report: Sheet from D/O instructing 4 sets 1714 1200 1718 2002 1649 2004 1926. Test with view to Standard. Sheet in Abeyance "B"… | ||
| scan0212 | Record of updates and testing for bearing strips for bonnet seats. | ||
| View original record | R.R. 512 (2 1/2 H) (X. 435. 14.12.11) G. 2227 Section 101 Description: Bearing strips for bonnet seats Date: 7/1/12 Report: T.O. /111 decided to correct this with vellum to standard. D/O to instruct… | ||
| scan0213 | Departmental memo regarding a 10,000-mile equivalent test on a standard valve spring. | ||
| View original record | R.R. 475 (100 H) (X 896. 3.5.12) E.P. 1780. ROLLS-ROYCE LIMITED, NIGHTINGALE ROAD, DERBY. TELEGRAMS: "ROYCAR," DERBY. TELEPHONES: 813 (TWO LINES). DEPARTMENTAL MEMO. This column is for Name of Person… | ||
| scan0214 | Analysis of a valve spring and the procurement of suitable materials or new springs. | ||
| View original record | Mr Wormald. 11.7.12. Re Valve Springs. TBB11/L11712. With reference to Mr Royce's note of July 2nd concerning the above matter, I have passed on to Mr Nadin a standard valve spring made by Messrs… | ||
| scan0215 | The failure of a Vickers BCT Steel Valve spring C 916 after 60 hours of testing. | ||
| View original record | Mr Barrington. X375 Aug. 29th. 1912. Report on BCT Steel Valve springs C 916 by Vickers. We hand you herewith one of the above (No 6 inlet) which was broken after 60 hours. When we get 6 more valves… | ||
| scan0216 | Failure of a Vickers valve spring during testing on a test rig. | ||
| View original record | X375 Valve Springs (Re B.C.T. Valve Spring C916 - Vickers.) Mr Nadin 29.8.12. TBB7/L29812. I send you herewith another of the above valve springs (No.6 inlet) which has broken after 60 hours running… | ||
| scan0217 | Departmental memo to Mr. Royce regarding a 10,000-mile rig test for Taper Valve Springs, with his handwritten notes on material and heat treatment. | ||
| View original record | ROLLS-ROYCE LIMITED, NIGHTINGALE ROAD, DERBY. TELEGRAMS: "ROYCAR," DERBY. TELEPHONES: 813 (TWO LINES). DEPARTMENTAL MEMO. This column is for Name of Person addressed: Mr. Royce DATE: 10/9/12 Re Valve… | ||
| scan0218 | The failure of a new taper valve spring during testing and advising against its adoption. | ||
| View original record | R.R. 475 (100 H) (X 967. 22.5.12) E.P. 1898. ROLLS-ROYCE LIMITED, NIGHTINGALE ROAD, DERBY. TELEGRAMS: "ROYCAR," DERBY. TELEPHONES: 813 (Two Lines). DEPARTMENTAL MEMO. This column is for Name of Person… | ||
| scan0219 | Valve spring tests, noting failures due to material flaws and recommending returning the unsatisfactory batch. | ||
| View original record | R.R. 475 (166 H) (LL 556. 26.8.12) E.P. 2385. ROLLS-ROYCE LIMITED, NIGHTINGALE ROAD, DERBY. TELEGRAMS: "ROYCAR," DERBY. TELEPHONES: 813 (Two Lines). DEPARTMENTAL MEMO. This column is for Name of… | ||
| scan0220 | Letter detailing the results of endurance tests on several sets of taper valve springs, reporting breakages and requesting further investigation. | ||
| View original record | Copy EP56/T161012 X374 Mr Madin 10/10/12 RE TAPER VALVE SPRINGS. To confirm consultation re above I send you herewith another spring which has broken whilst under test, having run 20 hours on the test… | ||
| scan0221 | The successful testing of special taper valve springs and Mr. Royce's hardening instructions. | ||
| View original record | Ref. Mr R's note on TBB31/WW10912. Re Valve Springs. Members of the T.C. 22/10/12. TBB15/L221012. In reply to a report that the second set of special taper valve springs had run 10,000 miles on the… | ||
| scan0222 | Valve spring tests, noting breakages in standard and special set-ups after mileage. | ||
| View original record | R.R. 238 (24 B) (LL. 255. 10.6.12) E.P. 1997. ROLLS-ROYCE LIMITED. INSTRUCTIONS. To: Mr Barrington Order No. Customer's No. W.P. Report Valve Spring Tests. The 3rd set of 6 springs with standard… | ||
| scan0223 | Valve spring failures during testing on a test rig. | ||
| View original record | R.R. 238 (24 B) (LL. 255. 10.6.12) E.P. 1997. ROLLS-ROYCE LIMITED. INSTRUCTIONS. 7-11-12 To: Mr Barrington Order No. Customer's No. File Report on Valve Springs We have had two more valve springs… | ||
| scan0224 | Report to Mr Royce on the failure of taper valve springs due to flaws from the drawing process. | ||
| View original record | Mr Royce Re Taper Valve Springs. Two more taper valve springs - one inlet and one exhaust - broke on the test engine after 9000 miles. In several broken valve springs which I have inspected I have… | ||
| scan0225 | The failure of two taper valve springs during rig testing, noting potential flaws. | ||
| View original record | Mr Royce 8-11-12 TBB4/L81112. Re Taper Valve Springs. No.2 inlet taper valve spring broke after 3600 miles on the valve spring testing rig. Another taper inlet valve spring has also broken after 9600… | ||
| scan0226 | Taper valve spring breakages, attributing the fault to defective metal rather than design. | ||
| View original record | FHR2/1161112 Mr Wormald. GRAND HOTEL DU CANADEL, Par le Lavandou, (VAR) 16th Nov. 1912. RECEIVED Mr Johnson from F.H.R. for T.S. RE TAPER VALVE SPRINGS. I have Mr Barrington's memo ref. TBB8/L71112… | ||
| scan0227 | Testing taper valve springs, identifying a faulty batch due to broken springs and poor material quality. | ||
| View original record | ROLLS-ROYCE LIMITED. INSTRUCTIONS. To: Mr Barrington Order No.: Customer's No.: A R Wallin Taper Valve springs. file The test with bouncing them & listening to the note of the spring does enable us to… | ||
| scan0228 | Instruction sheet detailing the testing and failure rates of valve springs. | ||
| View original record | R.R. 238 (24 F) (I.L. 255. 10.6.12) E.P. 1997. ROLLS-ROYCE LIMITED. INSTRUCTIONS. 19 To Order No. II Customer's No. Valve springs The % of breakages is quite as high as the standard parallel spring.… | ||
| scan0229 | Special parts, specifically valve spring breakages and fault analysis for Chassis 2100E. | ||
| View original record | TBB26/L41212. December 4th 1912. Report on Special Parts fitted to Chassis 2100E. 26. VALVE SPRINGS:- These are of the taper design but I regret to report we are having a considerable number of… | ||
| scan0230 | Failure of various springs due to suspected faulty material and manufacture. | ||
| View original record | flaw. I do not think there is any doubt but that the springs fail owing to faulty material and manufacture. We have bounced 150 of the old type of spring but could not find one which gave a poor note,… | ||
| scan0231 | Valve spring stresses, testing procedures, and steel hardening methods. | ||
| View original record | R.R. 235A (130 H.) (LL 57. 18.10.12) E.P. 2762. W. Wormald. R1/B11213. C.J. from F.H.R. for Messrs. Wormald, Nadin & Elliott. Re Valve Springs. X74/A Will Mr. Elliott calculate (by our spring list)… | ||
| scan0232 | Explaining a delay in an experiment on Poldi Valve Springs due to the late receipt of parts. | ||
| View original record | R.R. 235A (100H) (PP351. 2.1.13) G 4088 AW/SM27/013213. Re Exp. 74/A - POLDI VALVE SPRINGS. Mr. Nadin. 13/2/13. In reply to your memo N3/B13213, we had previously noted that you require report on… | ||
| scan0233 | Delay and quality issue with Poldi valve springs. | ||
| View original record | R.R. 235A (100H) (PP351. 2.1.13) G 4088 AW/SM1/021213. Re POLDI VALVE SPRINGS - X. 74/A. Mr. Nadin. 21/2/13. In reply to yours N31/B20213 attached, the Order Office reported to us that these springs… | ||
| scan0234 | Extract from Mr Royce's memo regarding ordering steel springs from multiple makers. | ||
| View original record | Extract from Mr Royce's memo R8/B26213 Re X. 74 Surely it is not a long job to order a few dozen springs from half a dozen makers to the same model, of the best steel. R | ||
| scan0235 | Napier valve springs with detailed measurements for exhaust and inlet springs. | ||
| View original record | T.S.H. 28:2:13 Report on Napier Valve Springs. X74 (crossed out) X438 Cyl. No. | Exhaust Springs | Inlet Springs ---|---|--- | Length of sprg. (valve open) | Length (valve closed) | Length of sprg… | ||
| scan0236 | Typed note regarding a Mercedes car and a hand-drawn sketch of a spring with dimensions. | ||
| View original record | The Mercedes car is not at the Works so we are unable to supply desired information. T.S.H. 1.380" 1.410 1.550 1.550 1.550 1.550 1.550 1.550 1.550 1.360 1.220 1.140 XU38 | ||
| scan0237 | Test and failure log for valve springs, part number C916. | ||
| View original record | R.R. 512 (2½ H) (X. 435. 14.12.11) G. 2227. X375- Section 600.604 Description: Valve Springs. C916. Left Column: Date: 8/5/12, Report: Sheet from Office G. Test - made from BCT steel by Vickers. Date:… | ||
| scan0238 | Log of reports and modifications related to valve springs. | ||
| View original record | R.R. 512 (2 H) X. 488. 2.1.12.) G 2273. Section 604 Description: Valve springs. Date: 7/3/12 REPORT: Sheet from Mr Royce received 13-3-12. See folder T D office. to deal with broken valve springs as… | ||
| scan0239 | The failure of a Vickers B.C.T. exhaust valve spring during a 36-hour test run. | ||
| View original record | Mr Barrington. July 18th. 1912. Re Vickers B.C.T. valve springs We have been running a set of the above on the Test Rig and after 36 hours running one of the exhaust springs has been broken. I attach… | ||
| scan0240 | To Mr Barrington regarding the testing of T.C. Vickers Valve springs. | ||
| View original record | Mr Barrington. x375 July 26th. 1912. Re T.C. Vickers Valve springs. These have been tested on the jig equivalent for 10000 miles on the road and are quite satisfactory. We are testing a further set of… | ||
| scan0241 | Departmental memo suggesting a method for testing experimental valve springs. | ||
| View original record | R.R. 475 (100 H) (PP 499. 31.1.13) E.P. 3506. ROLLS-ROYCE LIMITED, NIGHTINGALE ROAD, DERBY. TELEGRAMS: "ROYCAR," DERBY. TELEPHONES: 476 (Four Lines). N3/LG6313. DEPARTMENTAL MEMO. This column is for… | ||
| scan0242 | Testing valve springs and quoting Mr Royce's suggestion to order samples from various makers. | ||
| View original record | Mr Nadin 6-3-13 AW/SM21/L6313 Test valve springs obtained from firms who are both steel and spring makers, such as Poldi X. 74 Mr Royce remarks in his memo R8/B26213 re the above experiment as follows… | ||
| scan0243 | Bouncing of valve springs as a method to judge their soundness, referencing a detailed report. | ||
| View original record | AW/SM3/L10313 Re Valve Springs. - X.74 Mr Nadin 10-3-13 In reply to your memo N3/LG6313 in reference to the bouncing of valve springs as a method of judging their soundness, you will find a full… | ||
| scan0244 | Weekly report from the Experimental Department detailing finished tests and work in progress. | ||
| View original record | From Exp. Dept. Copies sent to: Mr Johnson Mr Royce AW/EH20/L11313 March 11th. 1913. Experimental Dept. "A" Weekly Report Experiments finished and final reports sent in on :- X.56 - Petrol Tank Stays.… | ||
| scan0245 | Departmental memo requesting information on Delaunay Belleville and Lanchester type valve springs for Mr. Elliott's trip to France. | ||
| View original record | R.R. 475 (10m H) (FF 84). 8/2(13) E.P 3719 ROLLS-ROYCE LIMITED, NIGHTINGALE ROAD, DERBY. TELEGRAMS: "ROYCAR," DERBY. TELEPHONES: 476 (FOUR LINES). DEPARTMENTAL MEMO. AW/SM3/L18313 This column is for… | ||
| scan0246 | Document detailing the specifications of engine valve springs for Delaunay Belleville and Lanchester models. | ||
| View original record | Particulars of Valve springs (Engine) Delaunay Belleville (Coil spring) Length of spring, valve closed = 2.5" " " " open = 2.156" Strength " " " closed = 38 lbs " " " open = 55" Length fully extended… | ||
| scan0247 | Final report on the testing of Poldi Valve Springs, which was abandoned due to a high failure rate. | ||
| View original record | From Exp. Dept. Copies for: Mr Johnson Mr Royce Mr Elliott Mr Nadin. AW/EM14/L18313 March 18th. 1913. Final Report on X. 74 Poldi Valve Springs. We have had 6 of these springs break in 150 hours, this… | ||
| scan0248 | Mr. Royce's remarks on an urgency report concerning the sourcing of Silicon Chrome steel. | ||
| View original record | Rec. 28/4/13. Mr. Royce Remarks On Urgency Report AW/SM14/L8413. X.313. These should be hopeful, the other names do not seem to have much to recomend them, cannot we get the same material as… | ||
| scan0249 | Extract from Mr. Royce discussing valve spring experiments and performance comparisons. | ||
| View original record | Wor/SM50/L27813. X312 Re Valve Springs X.286, X.316, X.280, X.312/3/4 and X.369. Mr.Hives. 28-8-13. Ha. E. The following is an extract from Mr.Royce's memo R3/P. 21813.:- "So far I have the impression… | ||
| scan0250 | Quoting Mr Royce on valve spring experiments and performance comparisons. | ||
| View original record | Wor/EM50/L27813. File Re Valve Springs X.286, X.316, X.280, X.312/3/4 and X.369 Mr Hives. 28-8-13. Na. E. The following is an extract from Mr Royce's memo R3/P21813:- "So far I have the impression… | ||
| scan0251 | The testing of valve springs from various manufacturers. | ||
| View original record | R.R. 235 A (150 H) (V.V. 430. 26.1.14) G. 0109. WOR/SM1/M18214. X74 R. Valve springs. In January, 1913, you suggested that we obtained a number of valve springs from various makers, and Order Office… | ||
| scan0252 | Requesting a decision from Mr. Royce on whether to proceed with or abandon spring experiments. | ||
| View original record | R. 235 A (150 H) (V.V. 430. 26.1.14) G. 0299. R. -2- springs from Terry & Sons:- "These should be hopeful; the other names do not seem to have much to recommend them". On 21/8/13 you further stated:-… | ||
| scan0253 | The comparative testing of valve springs from various suppliers. | ||
| View original record | COPY. COPY. To Wor. fro Mr Hives from R. Copy to J. Copy to E. Copy to Na. R6/P 23. 2. 14. Valve Springs. Wor/SM1/M18214. Test Terry & Sons' valve springs. Compare Terry & Sons, Poldi, Salters and… | ||
| scan0254 | Inquiry regarding an experiment on exhaust valve springs and the cancellation of tests by outside firms. | ||
| View original record | (o0H) (VV. 586. 23.2.14) E. P. 6976. ROLLS-ROYCE LIMITED, NIGHTINGALE ROAD, DERBY. TELEGRAMS: "ROYCAR," DERBY. TELEPHONES: 476 (Four Lines). Wor/Mcr&B/24314. Re Exhaust Valve Springs, Messrs Wilby,… | ||
| scan0255 | To Mr. Coverley regarding arrangement drawings for various shafts and an electrometer suspension. | ||
| View original record | RR 235 B (200 T) (S.F. 103. 25-10-18. G. 2244) To Mr. Coverley. from EFC. X.3335 EFC2/T1.4.19. X.3321 - 2nd. MOTION SHAFT X.3335 - ELECTROMETER SUSPENSION X.3455 - TORQUE TUBE AND PROPELLER SHAFT… | ||
| scan0256 | Print F.6532 for an electromotor suspension. | ||
| View original record | To Mr. Coverley, from EFC, X 3335 EFC4/T6.6.19. X. 3355 - ELECTROMOTOR SUSPENSION Herewith please receive print of F.6532 in connection with the above. EFC. R.H. 23B B(200 T) (S.F. 103, 25-10-18) C.… | ||
| scan0257 | List of parts assembled onto Chassis 1. E.X., detailing part numbers and remarks. | ||
| View original record | X.3335 Extract from EHCl/LG30.6.19. CHASSIS 1. E.X. The above chassis is now complete and it has been assembled as follows:- "F" SECTION. S.S. No. REMARKS. X.3082- Starter Motor to S.S's. F.6548 ) ✓… | ||
| scan0258 | The arrangement of an electromotor suspension, referencing print F.6532. | ||
| View original record | To Mr. Coverley. from EFC. EFC9/T1.7.19. X. 3335 - ARRGT. OF ELECTROMOTOR SUSPENSION Herewith please receive print of F.6532 in connection with the above. EFC. R.R. 235 B (200 T) (S.F. 103) 25-10-18)… | ||
| scan0259 | The starting motor support for the 'Goshawk' engine, referencing drawing No. LeC.1145. | ||
| View original record | X 4360 To Da. from E. c.c. to CJ. c.c. to Bn c.c. to Hs. c.c. to Ck. E5/G23.2.20. X.3935 - RE STARTING MOTOR SUPPORT - "GOSHAWK". We send you herewith drawing No. LeC.1145 shewing the above. Would you… | ||
| scan0260 | Print for a Goshawk Starter Motor support. | ||
| View original record | X 4360 To EFC. DA27/CB2-3-20. [Crossed out text] X.3935 Goshawk Starter Motor Please receive herewith a print of LeC.1145 - Starting Motor Support. for your information. DA. | ||
| scan0261 | Instruction to add a dimension of .250±10 to the drawing N.4058 for the Goshawk engine's starter motor suspension supporting strap casting. | ||
| View original record | X4360 To BT [text struck through] from DA/STT. Copy to EFC. DA/STT1/CB20-7-20. X.3935 STARTER MOTOR SUSPENSION - GOSHAWK ENGINE. Will you please issue instructions for the following addition to be… | ||
| scan0262 | Alterations to the 'Goshawk II' engine starter and rear crankcase suspension. | ||
| View original record | To DA. from E. Copy to CJ. MOR. HS. BY. EPC. X4360 EA/G7/4/21. X4360 RE ENGINE STARTER AND REAR SUSPENSION OF CRANKCASE. "GOSHAWK II". We send you herewith drawings LeC.1371 and 1373 shewing the… | ||
| scan0263 | Design feedback from Mr. Royce on a Goshawk 11 rear engine support. | ||
| View original record | R.R. 235a (50 T) (S.H. 986. 19-2-21) G. 2008 X4360 To BY. from E. c. to CJ c. to War. c. to Da. c. to E.O. E2/G26.5.21. X.4260 - GOSHAWK 11 - REAR ENGINE SUPPORT. X4360 In reply to your memo… | ||