Rolls-Royce Archives

Rolls-Royce Experimental Archives: Box ExFiles\Box 80\2\        Box Selection

IdentifierEntry
scan0001 The required weights on the rear tyres for a long chassis to normalize spring camber and bring rubber buffers into contact.
View original record R.R. 348A (100 H) (W 387. 4.4.11) E.P. 8817. x2628 DEPARTMENTAL MEMO. EP7/T8611 Issued July 8th 1911 This column is for Name of Person addressed. DATE. x484 Mr Barrington 8/7/11 RE LOAD ON BACK…

scan0002 Comparative analysis of spring and chassis weights for different car makes.
View original record X.2628 408 X.2628. X.540. X.540. X.200. AW/EH2/C8.4.13. COMPARISON OF ROLLS-ROYCE AND OTHER MAKES OF SPRINGS. lbs. per car per lb of spring. Rolls-Royce 18.0 lbs. Lanchester. 27.2 lbs. Delauney…

scan0003 Technical comparison of spring flexibility and specifications for Rolls-Royce, Lanchester, and Delaunay Belleville cars.
View original record Contd. -2- AW/EH2/C8.4.13. FLEXIBILITY. To measure the flexibility we have taken records of the lbs increase in load for every 1" of movement of the springs. Springs actually on the cars, average lbs.…

scan0004 Comparative analysis of rear spring specifications for Rolls-Royce, Lanchester, and Delaunay Belleville vehicles.
View original record Contd. -3- AW/EH2/C8.4.13. Rolls-Royce. Lanchester. Delaunay Belville. OFF NEAR OFF NEAR OFF NEAR REAR SPRINGS. Length. 53" 53" 54.5" 54.5" 54.2" 54.2" No. of leaves. 8 8 6 6 10 10 Width of 2.5 2.5…

scan0005 Continued note on taking readings from Lanchester rear springs and the importance of correct rigging.
View original record Contd. -4- AW/EH2/C8.4.13. On the Lanchester rear springs the centre clip is not half way along the spring, we were carefully to rig it up the same way when taking our readings. At first I got out…

scan0006 Design modifications to the rear spring anchorage to reduce weight and stress.
View original record X.2628A To J. from R. Copy to El. " " Wor. X.1190. " " Da. R8/P24.3.14. X.49 X.2628 Rear Spring - forward end anchorage with addition of stiffner & modified bracket (Solid eyes). With reference to the…

scan0007 From R. to J. discussing the design and stresses of spring plates.
View original record To J. from R. and as this particular top plate has very little to do, except to take this bending stress, I think the second plate might commence wherever convenient, somewhere between the theoretical…

scan0008 Selection and potential modifications of a hydraulic spring tester.
View original record Y2628 COPY. To Na. from R. Copy to J. Copy to Wor. R4/P 2. 6. 14. X1329 Re HYDRAULIC SPRING TESTER. With reference to the hydraulic presses for spring testing, I think the one returned herewith, which…

scan0009 Required measurement specifications for a Hydraulic Spring Tester.
View original record To Na. from R. 2. R4/P 2. 6. 14. Re Hydraulic Spring Tester. approval, but I should be of the decided opinion that the scales should read in one hundred of lbs., and that the deflection scale should…

scan0010 Extract report on the poor road-holding capabilities and springing of chassis No 7-CA.
View original record X.2628G. K14/W9916. September 9th 1916. X.682 EXTRACT FROM RE CHASSIS NO 7-CA. X.2628 HOLDING THE ROAD. The springing of this car was most supple, and the rear springs very free from friction, owing…

scan0011 Expressing a dislike for large road wheels, citing them as a disadvantage to the chassis.
View original record -2- I certainly do not like these large road wheels and think they would be a decided disadvantage to the chassis, on account of this and other reasons given on other occasions.

scan0012 List of specifications for a post-war chassis, covering engine components and a detailed proposal for a new rear axle and suspension.
View original record X 2628 b X.2265 - Post-war Chassis. -3- RG/W3.10.16. Contd. up in the morning, providing that priming device is fitted, and too many fittings detract from the appearance of the engine, so that…

scan0013 Axle and suspension testing, and an investigation into a broken brake strap.
View original record Contd. -4- R6/W3.10.16. stiffer springing will be permitted, and therefore the rolling need not necessarily be more than take place with the springs above the axle. Moreover, I believe the advantages…

scan0014 Front and rear axle setup, steering stability, and shock dampers on a post-war chassis.
View original record x.2628 (struck through) x.2565. Post-War Chassis. Contd. (24) Front Axle. This should be as near as possible centre point steering, and if this gives any inclination for a steering wobble, or want of…

scan0015 Suspension characteristics, spring friction, and experimenting with Truffault pattern shock absorbers.
View original record Contd. -8- RG/W3.10.16. with very little oil, or preferably with paint only, and that the car will be run long enough so that the springs, are in a normally average state. It will be found that 7-CA…

scan0016 The readiness of special springs for fitting to Commander Briggs' car, 64-LB.
View original record Wo/r. EP/HS14/F51216. x2628 Re Special Springs for Commander Briggs' Car. 64-LB. --------------------- With reference to my memo EP18/T/W23916, copy attached, I shall be glad to know when the set of…

scan0017 The fitting of special cantilever springs to Commander Briggs' car.
View original record WOR. EP8/T/W23916. Re. Special Springs for Commander Briggs' Car. Commander Briggs asked Mr.Johnson and Mr.Johnson sent us a wire on September 6th, asking if it would be possible to fit to Commander…

scan0018 Note discussing the design of road springs for the 40/50 HP chassis.
View original record X.2628 X.1293 X 2/28 1 Extract from R4/G261118. 1000 - 40/50 H.P. CHASSIS (8) ROAD SPRINGS. 4 Regarding the road springs, I have written about these recently. I understand the rear ones will be over…

scan0019 Extract detailing the design of the road springs for the 45/50 HP Chassis.
View original record X 2628 b. X.2628 X.1995. Extract from BY6/P291118. RE 1000 45/50 H.P. CHASSIS. (8) ROAD SPRINGS The road springs, as suggested, have the longest leaf split at its rear end to give side flexibility and…

scan0020 Experiments on a new trial chassis, focusing on the positioning and lubrication of springs.
View original record to EH. from R. c. to CJ. c. to Bn. X.2628 b Rll/G30.6.19. X.2650 - NEW 40/50 H.P. CAR X.2628 X.1295 I understand that Mr. Barrington will be having the new trial chassis for the holidays. Can you let…

scan0021 Assembly report for Chassis 1. E.X., detailing the components and part numbers used.
View original record X 2628/b Extract from - RHCL/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.3440. Frame & Fittings. F.7031.…

scan0022 Road test report on Chassis 1.E.X. after a 1000-mile run, focusing on springing and handling.
View original record To R. from Bn. c. to BJ. c. to Wor. c. to EH. C O P Y. X.2628 Bn5/W28.7.19. REPORT ON RUNNING CHASSIS 1.E.X. X.2565 I ran this car during my holiday for just over 1000 miles (1010 miles) and feel sure…

scan0023 Road test report on chassis performance, handling, tyres and electrical equipment.
View original record -2- Bn5/W28.7.19. contd: -------------------- and sometimes forces the shock absorber link under the frame, with the result that a bump at that moment forces the top of the link against the under side…

scan0024 Chassis care, lubrication practices, and observations from a 1000-mile road test.
View original record -8- CARE OF CHASSIS. We have been under the impression at the Works for some time that our instructions regarding the lubrication etc. of the chassis, as indicated in the Instruction Book, errs…

scan0025 Failure report on a steering box rocking lever and a front spring during chassis bumping rig tests, including a metallurgical analysis.
View original record To BY. from EH. c. to Bn. c. to R. X. 2628 a EH2/LG11.8.19 X.2565 X.3465 RE 40/50 CHASSIS X.3447. X.2628 We are running a chassis on the bumping rig. The chassis was fitted up with all new parts…

scan0026 Metallurgical analysis report on a fractured road spring.
View original record Contd. -2- EH2/LG11.8.19. to be in a very crystalline condition. Below is Mr. Hall's report:- RE FRACTURED ROAD SPRING. Analysis. Carbon .72% Manganese .42 Chromium .57 Phosphorus .037 Silicon. .50…

scan0027 The setup and results of a 40/50 chassis bumping test.
View original record R.R 237A (100 T) (S.F. 575. 16-4-19) G. 2354 To R. from EH. c. CJ. c to Bn. c to E. c to Da. X.2628 EH2/LG18.8.19. RE 40/50 chassis bumping test X. 1331. The bumping rig is rigged up in the same way…

scan0028 Component failures, their operational time before failure, and associated remarks or analysis.
View original record SECTION FAILURES TIME RUN. REMARKS. CENTRE bolt. 13 mins. " " 4hrs. 9 mins. " " 6 hrs. 4 mins. SPRINGS. Spring Clips. 2 " 29 " " " 1 " 53 " " " 3 " 29 " " " 7 " 59 " X. 2628 Top leaves. 4 " 12 "…

scan0029 Query regarding a spring sample not meeting the load specified on the drawing.
View original record EH. from BY/Btn. x262-8 U.W. Chassis. BY/Btn3/P1.9.19. RE SPRING F.7372. The works are reporting to us that they cannot get these springs to give the load as specified on the drawing. They have some…

scan0030 Requesting a piece of a fractured leaf from a broken front spring to take up with a supplier named Woodheads.
View original record R.R. 235 B (200 T) (S.F. 674. 22-5-19) G. 2376 EH. from Btn. U.W. x2628 Chassis BY/Btn7/P6.9.19. RE BROKEN FRONT SPRING. Referring to your EH2/G11819, we shall be glad if you will let us have a piece…

scan0031 Return of a broken front road spring for replacement.
View original record R.R. 235 B (200 T) (S.F. 673. 22-5-19) G. 2376 EH. from BY. O.C./LSS. Mr Chatwin. X2628 BY5/P30.10.19. CHASSIS - FRONT ROAD SPRINGS. Will you please return the rest of the front spring which broke, to…

scan0032 Additional detail for an experimental front road spring bush on the 40/50 chassis.
View original record R.R. 225 B (200 T) (S.F. 674, 22-5-19) G. 2376. X. 2628a To DHO from DA/STT C. to LS. C. to GM. C. to Ck. DA/STT/E/10.11.19. 40/50 Chassis - Front Road Spring - Section 7020 X. 2628. Herewith is an…

scan0033 Rear springs, noting a squeaking issue with new thick-leaf springs and discussing lubrication, friction, and the use of leather covers.
View original record To R. from EH. Copy to CJ. " " BN. " " E. " " DA. [Handwritten] X.2628. EH5/LH13.11.19. [Handwritten] X.3461. [Handwritten] X.3463 RE REAR SPRINGS. X.2628. We have noticed that with the new type of…

scan0034 Source of squeaking in rear springs and considering the trial of leather gaiters.
View original record X.2628 b. To EH. from R. Copy to CJ. " " BN. " " EH. R7/G17.11.19. RE REAR SPRINGS. X.2628. X.3Y45. X 1295 I feel certain that you are mistaken with reference to the squeaking being due to the use of…

scan0035 40/50 chassis bumping test detailing the failure of a side member and a steering rocking lever.
View original record R.R. 235 500 T) (S F 575, 16-4-19) G 2354 X.2628 (crossed out) L/H2/Lg 24.11.19 Extract X.1331 - Bumping Test 40/50 Chassis the test. It will be seen that the Front Springs were one of the weakest…

scan0036 Component failures and hours run during bumping tests with 2' bumps at 60º and a drum speed of 105 per minute.
View original record R.R. 235 100 T) (S F. 575. 16-4-19) G 2354 X.2628a EH/LG27.11.19. FAILURES ON BUMPING TESTS - DRUMS FITTED WITH 2" BUMPS AT 60º - DRUM SPEED 105 PER MINUTE. Handwritten notes: X.1331 X2628 X3440 (all…

scan0037 Customer's car handling issues at high speed due to weak springs and proposing a demonstration to diagnose the problem.
View original record X 2628 b COPY. To Works From CJ. X.3910 CJ10/D22.1.20. Mr. de Salamanca says that the springs on his car are too weak and that it bumps badly. If this car is not fitted with shockabsorbers to the back…

scan0038 Comparative steering tests on a 40/50 chassis, focusing on split versus solid leaf springs and new shock absorbers.
View original record X 2628 b To R. from Hs. c. to CJ. c. to Bn. c. to E. c. to Da. c. to EP. Hs2/LG2611.20. X.963. - STEERING ON 40/50 CHASSIS. X.1295. X.2628. We are making preparations to carry out comparative tests as…

scan0039 Telegram confirmation regarding a steering complaint attributed to the side flexibility of rear springs.
View original record CONFIRMATION OF TELEGRAM. X2628. BN. 26th January, 1920. RW Hs. RECEIVED 27 JAN 1920 ROYCAR DERBY. COMPLAINT OF STEERING ALMOST CERTAINLY DUE TO SIDE FLEXIBILITY OF REAR SPRINGS STOP DO NOT SPLIT ANY…

scan0040 Steering difficulty caused by rear spring flexibility and proposing tests.
View original record X.2628 To Hs. from R. Copy to CJ. " " Da. " " Bn. " " Ck. X.963.RE STEERING. R4/G26.1.20. X.2628. X.1295. X.3791. I telegraphed to you this morning saying that I believed the difficulty of steering…

scan0041 Typed memorandum with a hand-drawn diagram illustrating a modification to steering pivots and a side steering tube with set up springs.
View original record Contd. -2- R4/G26.1.20. I should like you also to take out the thrust bearings on the top of the steering pivots and fit in fibre washers, so as to give some damping friction to the front pivots. R.…

scan0042 Investigating complaints of faulty steering on the covered trials car 1.LW.
View original record R R. 235 A (100 T) (S.F 846 6 S-19) G. 2460 X.2628. COPY. To EH. from EP. c. to Bn. EP4/F26.1.20. X.963. RE FAULTY STEERING. X.3461. X.1295. X.2628. We have for some time received complaints from the…

scan0043 Unstable steering tests, particularly when driving on tram lines, and proposed changes to the rear springs.
View original record Contd. -2- EP4/F26.1.20. on the steering of this car and will report to us more fully. We have confirmed further tests on this matter this weekend, with our covered body test car, and Mr. Maddocks…

scan0044 Confirming the handover of a rough sketch of parts for a spring side deflection experiment.
View original record x2628 To HS from DA. DA2/CB26-1-20. SPRING SIDE DEFLECTION EXPERIMENT. To confirm having handed to you this afternoon a rough sketch of - N.3386 - Clip. N.3387 - Set Screw. N.3388 - Rear Clamp. for…

scan0045 Steering characteristics at high speeds, considering rear springs, body type, and weight distribution.
View original record X.2628b To CJ. from R. Copy to PN. " " EA. " " Dn. " " Hs. " " HP. " " JEM. RB/027.1.20. X.1295. X.3461. X.2628. X.963. RE STEERING OF R.R. CARS AT HIGH SPEEDS. I have sent to the Works one or two…

scan0046 Handling characteristics of a racing car, focusing on suspension, steering, and solutions for wobbles.
View original record Contd. -2- R8/C27.1.20. racing car must be extremly stiffly sprung and most uncomfort-able to ride in at a slow speed. It must have well damped springs, naturally springs with plenty of friction,…

scan0047 Continued discussion on proposed modifications to the vehicle's suspension and steering system.
View original record R.R. 235 A (100 T) (S.F. 846. 6-8-19) G. 2460. Contd. -3- RB/G27.1.20. experience in the Fen country, secondly, the reduction in the lateral flexibility of the rear springs, thirdly, the increased…

scan0048 Letter regarding a failure of a shock absorber lever and the dispatch of replacement parts.
View original record R R. 235 A (100 T) (S.F 846 6-8-19) G. 2460 X.2628A Expl: Dept: Messrs. Rolls-Royce Ltd., Derby. 28.1.20. X.963. X.3461. X.3647. X.2628. X.1925. 3443 Dear Maddocks, I am sending this letter by Enwstle…

scan0049 Instructions for testing shock absorbers and rear springs following a component failure.
View original record Contd. -2- will you please let Entwistle bring others back. It is essential that you get the shock absorber working again on your car. The most important test there is on that car is shock absorber…

scan0050 Typed letter discussing car testing progress, mileage targets, piston knocks, and a comparison with another vehicle.
View original record Contd. -3- is intended to go at the rear end of the spring and to be held on by the present safety bolts. We are carrying out similar test at Derby to confirm the results. We are rather disappointed…

scan0051 Comparative test results for springs with split leaves versus solid springs.
View original record R R 235 B (200 T) (S.F. 674. 22-5-19) G. 2376. X.2628 b Wire to R. ------ 30.1.20. ------ X.1295. - SPRINGS WITH SPLIT LEAVES. X.2628. --------------------------------------- Comparative tests taken…

scan0052 Internal memorandum detailing experiments on a bump test rig to investigate steering complaints related to rear leaf springs.
View original record To R. from Hs. c. to CJ. c. to Bn. c. to E. c. to Da. c. to EP. X.2628 b. Hsl/LG31.1.20. X.963. - RE COMPLAINTS OF STEERING ON CARS. X.2628. X.1925. We find we are able to carry out some interesting…

scan0053 Spring and axle testing, comparing solid versus split springs and their effect on vehicle road holding.
View original record 2 -3- Contd. together, broke away, This immediately made a very big difference to the amount of side movement shown by the rubbing on the bottom leaf. The total amount of movement without the clip on…

scan0054 Results of bump tests on split springs, noting violent bouncing at high speeds and the challenges of road testing due to weather.
View original record Contd. -3- Hs1/LG31.1.20. It is necessary for us to confirm the results on the bump test because it is noticeable that with the split springs that up to a certain speed they behave very well; it is at…

scan0055 The testing of solid and split springs, detailing a failure on the bumping rig and issues with squeaking.
View original record To R. from Hs. c. to MCJ. c. to Bn. c. to E. c. to Da. c. to EP. X 2628 D Hs1/LG3.2.20. X.2628. RE SOLID AND SPLIT SPRINGS. X.1331. X.3461. X.1295. X.3483. We have had one of the split rear springs…

scan0056 Chassis testing, detailing the effects of spring material and greasing on vehicle rolling and swaying.
View original record Contd. -2- Hs1/LG13.2.20. received some of this material and suggest trying it. We are sending to Mr. Royce a sample. We think it is preferable to previous suggestions of fibre or brass packing.…

scan0057 The urgent and difficult situation with the manufacture and supply of rear springs.
View original record F.R. 235 A (100 T) (S F. 846, 6-8-19) G. 2460 X.2628b. [Text Struck Through] To H. from Bm. Copy to C.E. Copy to Mr. Copy to Mr. Copy to H.S. [/Text Struck Through] Copy to Ck. Copy to T2y…

scan0058 Comparison of split versus unsplit leaf springs for different driving conditions.
View original record R.R. 235A (500 T) (S.D. 408. 26-4-17.) Bm. 2/156/13. - 2 - Bn11/No..20 Contd. To R. from Bn. of your telegram we have applied ourselves more particularly to ascertain whether unsplit leaves are better…

scan0059 Performance differences between split and solid leaf springs and the decision on which to standardize.
View original record R.R. 235a (500 T) (S.D. 408. 26-4-17.) Bm. 2/156/13. To H. from Bn. - 3 - Bn12/WS.2.30 Contd. the chassis when the former is thrown about angularly by, for example, alternate pot-holes. The restering…

scan0060 Page stating the need for instructions from Mr. Royce and Mr. Johnson to proceed with necessary tests.
View original record - 4 - of the necessary tests, it is necessary to obtain the definite instructions of Mr. Royce and Mr. Johnson before we can proceed. Bn. R

scan0061 Copy of a telegram discussing the manufacturing situation and supply of split versus unsplit rear springs.
View original record H.R. 235 A (100 T) (S F. 846. 6-8-19) G. 2460. COPY OF TELEGRAM BENT TO MR. CLAUDE JOHNSON AND TO MR. ROYCE ON 5th. FEB., Re Rear springs. REFERENCE REAR SPRINGS stop SITUATION REGARDING SPRING…

scan0062 Instructions from Mr. Royce regarding rear road springs and shock absorber experiments.
View original record R.R. 235a (500 T) (S.D. 408. 26-4-17.) Bm. 2/156/13. X.2628A 2 To Mr. [redacted] from Bn. To Mr. [redacted] Copy to Mr. [redacted] " [redacted] " [redacted] " Ck. Bnl/W6.2.20. X.2628 RE REAR ROAD…

scan0063 Copy of a telegram from Mr. Royce regarding rear springs and shock dampers.
View original record COPY OF TELEGRAM RECEIVED FROM MR. ROYCE ON 6th. FEBRUARY, 1920 re REAR SPRINGS. BARRINGTON MAKERS MUST DISCONTINUE SPLITTING REAR SPRINGS AT ONCE stop. DO NOTHING TO DELAY OUTPUT OF CHASSIS stop USE…

scan0064 Telegram from Mr. Johnson instructing a rigorous road test for rear springs on a landaulet.
View original record To Wor. from Bn. Copy to Wd. To "Wd. To By. To Hs. To EP. To Ck. To Da. Bnl/W9.2.20. X.2628. - RE: REAR ROAD SPRINGS. X.1295. The following telegram has been received from Mr. Johnson:- "TRY A…

scan0065 The compromise between road-holding and comfort regarding split and unsplit rear springs.
View original record To Bn. from R. Copy to CJ. " " Da. " " Hs. " " Ck. X 2628/b. R4/G9.2.20. X.2628. - RE REAR SPRINGS. X.1295. Regarding split and unsplit springs, the proposition is the old one of, speaking generally,…

scan0066 The comparison tests and experimental findings between split and solid springs.
View original record R.R. 235 A (100 T) (S.F. 846. 6-8-19) G. 2460. X.2628 b. To R. from Hs. c. to CJ. c. to En. c. to E. c. to By. c. to EP. c. to Da. Hs3/LG9.2.20. X.2628. - RE SPLIT AND SOLID SPRINGS. X.963. X.1295.…

scan0067 Car handling issues with split springs, leading to poor steering, rolling, and swaying.
View original record Contd. -2- HS3/LG9.2.20. out over the full range of speed and road conditions. We have run a car with split springs and no clips clipping the plates together. We know from the bumping rig experiments…

scan0068 Adjustments and performance observations for the 1.EX car, noting improvements in slow running and issues with steering on muddy roads.
View original record R.R. 235 A (100 T) (S.F. 846. 6 S-19) G. 2460. X 2628b. Extract from R6/G9.2.20. X.3923 RE CAR FOR WEST WITTERING. X.3129. X.3763. I am very much more pleased with the slow running of 1.EX. which is…

scan0069 Log of bumper spring test results, detailing breakages, test durations, and dates.
View original record X2628 BUMPER TESTS Spring. Position. Wgt. Remarks. hrs. mins. Date. F.6408 N.S. 2000 lbs Broken 3rd. leaf down. 9 0 12.2.20 F.6408 N.S. 2000 " Bottom leaf broken. 15 55 14.2.20 F.6410 O.S. 2100 " Flaw…

scan0070 Transcribing a telegram from Mr. Royce regarding a steering complaint attributed to rear spring flexibility.
View original record To Ck. from Bn. X 2628/b. Bn4/W12. 2. 20. X.2628 RE REAR SPRINGS. X.1295 X.963 Below please see copy of telegram received from Mr. Royce on the 26th. January. This is for your records:- "COMPLAINT OF…

scan0071 Containing a telegram from Mr. Royce about the use of solid rear road springs.
View original record R.R. 235A (500 T) (S.D. 408. 26-4-17.) Bm. 2/156/13. X.2628/b To Wor. from Bn. Wd. [crossed out] Hy. [crossed out] Hs. [crossed out] Be. [crossed out] By. [crossed out] Copy to Ck. Bn20/W10. 2. 20.…

scan0072 The failure of three split rear springs during testing on a bumping rig.
View original record R.R 235 A (100 T) (S.F. 846. 6 8-19) G. 2460. X 2628 b To R. from Hs. c. to CJ. c. to Bn. c. to E. c. to Da. c. to EP. Hs2/LG16.2.20. X.1295. SPLIT REAR SPRINGS ON BUMPING RIG. X.3461. X.1331. X.2628.…

scan0073 Continued discussion on implementing clips on split leaf springs to prevent breakages and reduce lateral flexibility.
View original record R.R. 235 a 100 T. (S.F. 846. 6-8-19) G. 2460. Contd. -2- Hs2/LG16.2.20. happened that both portions of the split leaf broke, the car would be let down on that side. We think it is important that we…

scan0074 From Mr. Royce about replacing solid eyes with rolled eyes for the rear springs of the 40/50 HP chassis.
View original record X.2628/A To Da. from E. Copy to CJ. " " Bn. " " Hs. " " Ck. E2/G17.2.20. X.2628. RE ROAD SPRINGS. x.3950 Would you kindly note that Mr. Royce considers it unnecessary to use solid eyes for the rear…

scan0075 Telegram transcript detailing test results and complaints about springs and shock absorbers on Mr. Salamanca's car.
View original record X.2628b. Hs. c. to BN. C.R. COPY. EP/T1/F17.2.20. X.3910 RE. SPRINGS, SHOCK ABSORBERS ETC. ON MR. SALAMANCA'S CAR. X.2628 X.1295 X.3461 We give below copy of further telegram received this morning…

scan0076 Correct procedure for testing back springs on fully loaded Landaulette cars.
View original record COPY. X.2628 b. To Bn. from CJ. To Wor from CJ. c. to R. c. to EP c. to Hs. c.k. CJ6/E17.2.20. X.2628 RE ALTERATION IN BACK SPRINGS. X.3066 It seems to me that the alteration in back springs, which is…

scan0077 Steering and road holding issues, with proposed solutions related to springs and shock dampers.
View original record X.2628/5 To CJ. from R. Copy to Wor. " " Bn. " " EP. " " Hs. " " By. X.963. RE STEERING. X.1295. X.2628. X.3461. R7/G20.2.20. With reference to Mr. de Salamanca and the cars not steering and holding…

scan0078 Steering satisfaction, attributing issues to the absence of shock dampers and tyre design rather than split rear springs.
View original record Contd. -2- R7/G20.2.20. reason for the steering being less satisfactory, but it is only to a small extent. There appear to be other reasons and I understand that the absence of shock dampers, and some…

scan0079 Car's condition and performance, noting issues with split springs after running 3,000 miles.
View original record Contd. -3- R7/G20.2.20. a box of petrol at the back, no shock absorbers springs covered with grease, yet the driver, Appleby, said there was no difficulty in steering up to 60 miles per hour, which he…

scan0080 Steering and springing tests conducted on a 40/50 chassis, investigating instability issues.
View original record X.2626 A To R. from Hs. c. to CJ. c. to Bn. c. to E. c. to Da. c. to EP. Hs4/LG20.2.20. X.2628. RE STEERING AND SPRINGING ON 40/50 CHASSIS. X.3482. X.963. X.2631. X.3743. X.3926. X.990. X.1295. We…

scan0081 Steering complaints and the effects of different tyre types and suspension setups on vehicle handling.
View original record Contd. -2- Hs4/LG20.2.20. if the steering is held tightly. We have proved that this complaint is greatly exaggerated when Goodyear rubber non-skid covers are on the back wheels. If the standard Dunlop…

scan0082 Steering issues, comparing split vs solid springs and the effects of greasing and tyre types.
View original record Contd. -3- Hs4/LG20.2.20. fitted to 2512. We found that changing over the springs did not materially effect the steering. The only difference we could pick out was that the split springs on the Repair…

scan0083 Strengthening of rear springs and recommendations for weight adjustments on different car bodies.
View original record BY. from EP. c. to BN. c. to Hs. c. to Da. CK X.2628/ EP25/F23.2.20. X.2628 RE STRENGTHENING OF REAR SPRINGS. With reference to the discussion on this matter at our conference with CJ. at the Midland…

scan0084 Excellent steering and riding of a chassis when fitted with a light Labourdette body.
View original record X.2628/. To CJ. from Hs. Hs9/LG23.2.20. X.963. RE STEERING. X.1295. X.2628. The body fitted on the Car referred to (R7/G20.2.20.) by Mr. Royce is the light Labourdette body. This body, however, is…

scan0085 Strengthening of rear springs and weight adjustments for different car body types.
View original record x2628 BY. from EP. c. to Bn. c. to Hs. c. to Da. EP25/F23.2.20. RE. STRENGTHENING OF REAR SPRINGS. With reference to the discussion on this matter at our conference with CJ at the Midland Hotel on the…

scan0086 The procedure for implementing stronger rear springs, awaiting a standardisation sheet.
View original record X.2628A To By. from Bn. To EP. from Bn. Bn11/W25.2.20. To Mr. Hives from Bn. X.2628 Re Strengthening of Rear Springs. c. to CK. With reference to EP25/F23.2.20, my understanding of this discussion was…

scan0087 Laboratory report on a fractured car spring, attributing the failure to incorrect heat treatment.
View original record Mr. Hives. E.F.C. C to By. X.2628/B. H16/EB28.2.20. Laboratory. X.2628 Re Car Spring you sent in about three days ago. (no covering note received up to the present). The steel as received was found to…

scan0088 History and proposal for using solid eyes on rear springs, with suggestions for alternative designs.
View original record To R from DA. Copy to EH. Copy to BI. Copy to CK. X.2628.b. -L (2) DA2/CB2-3-20. X.2628. ROAD SPRINGS. X.3950 X.1295 Replying to Mr Elliott's memo E2/G17220 X.1149 the proposal to use solid eyes on…

scan0089 Continued discussion on the advantages of converting split springs to unsplit springs for existing cars.
View original record DA2/CB2-3-20. contd. ------------------------- The advantage of Fig 1 is that if it is required to convert split springs to unsplit, for use on existing cars, this would enable it to be done probably…

scan0090 Excessive wear on rear spring contact plates to rollers on test cars.
View original record Hs. from EP. c. to Bn. c.k. X.2628 b. EP24/F.3.20. X.2628 Re. Wear on rear spring contact plates to rollers. X.12956 These seem to wear rather excessively with cars on test which have run any…

scan0091 List of proposed modifications for the trials car for the American Company.
View original record R R 235 A (100 T) (S.F. 846 6-8-19) G. 2460. X.2628.b Extract from EP7/F4.3.20. X.3719. RE TRIALS CAR FOR THE AMERICAN COMPANY. It has occurred to us that there are several other items which we…

scan0092 Proposed change to the rear leaf spring design, from ends bent over to ends tapered in thickness.
View original record To HS. from R. c.c. to CJ. c.c. to BN. c.c. to DA. c.c. to WOR. c.c. to WD. c.c. to BY. X.2628 R7/G5.3.20. X.2628 RE REAR SPRINGS. During Mr. Hives' recent visit he shewed springs of our present type…

scan0093 Internal memorandum on spring design, discussing issues with friction, squeaking, and reverting to older manufacturing practices.
View original record To HS. from-R. -2- It will be noted that we shall then be reducing the stress in the springs and be obliged to carry more steel unless we adopt some other modification in the springs. Several methods…

scan0094 'jaggering' effect during braking on chassis 3X and its relation to the clutch operation.
View original record X.2628.N To Cj. from Bn. Copy to Hs. X.2628. Re Mr. de Salamanca's X.3457. Ck. X.3910. Experience of Braking X.1228. on chassis 3X. Bn10/W 9.3.20. With reference to CJ5/E3.3.20, I think Mr. Hives…

scan0095 'jaggering' issue when braking, comparing torque tube and parallel axle control systems, and suggesting a driving technique to mitigate it.
View original record Contd. -2- Bn10/W9.3.20. X.1228. The trouble is apparently due also to the torque tube type of axle control and it was largely for this reason that the parallel control on the Northcliffe chassis was…

scan0096 Forwarding a copy of another memo and photographs regarding 3X Springs.
View original record COPY. To Bn. from CJ. Re 3X Springs. CJ5/E, 3.3.20. I am enclosing herewith for your information copy of memo, received from de Salamanca. The photographs etc. mentioned therein I'm sending to you…

scan0097 Photographic evidence from a road test concerning 3X springs, focusing on braking, skidding, and bumping at 55 MPH.
View original record R.R. 235 A (100 T) (S.T 846 6-8-19) G. 2460 Pencil Note. None of these have been sent to the works, please do it if you consider it necessary and interesting I am sending you at the same time the…

scan0098 Record of bump test measurements taken at speeds of 55 MPH and approximately 50 MPH.
View original record SPEED OF CAR 55 MPH. 8th. bump - 2.10. 9th. " - 2.05. 10th. " - 2. 11th. " - 1.83 12th. " - 2. 13th. " - 1.90 14th. " - 1.80 15th. " - 1.75 16th. " - 1.65 SPEED OF CAR ABOUT 50 MPH. 1st. bump. - 2.05…

scan0099 Necessity of greasing thick leaf rear springs to prevent squeaking.
View original record R.R. 235 B (200 T) (S.F. 674 22-5-19) C. 2376 X. 2628 /or. To Hs. from Bn. c. to Da. c. to Hs. c. to Ck. X.2628 RE GREASING OF REAR SPRINGS. Bn6/W12. 3. 20. I attach copy of Mr. Hanbury's note,…

scan0100 Letter discussing the difficulty of greasing rear springs and suggesting improved tools for the task.
View original record X.2628b Attached to Bm6/W 12.3.20 COPY H1/TB/11.3.20. S/W. Bn. ---- X.2628 Re - Rear Spring Greasing. ------------------------- I sent my car, 30 L.W., into N. last week in order that a new pressure…

scan0101 The procedure for greasing springs and the inadequacy of the supplied toolkit.
View original record R.R. 235 A (100 T) (S.F 846 6-S-19) G. 2460 X.2628 To H. from Hs. c. to Bn. c. to Da. Hs4/LG15.3.20. X.2628. RE GREASING OF SPRINGS. With reference to your memo H1/TB11.3.20., complaining that the…

scan0102 Requesting information on a broken leaf spring for car 26CW.
View original record X 2628 T Car in Spain. COPY. 16.3.20. A.T. Johnson it is necessary to know h which leaf has broken on 26CW. rear springs. Hives.

scan0103 Broken thick leaf rear spring on a car in Spain, including a telegram and analysis of bump test failures.
View original record R R 235 A (100 T) (S.F. 846 6.8.19) G. 2460. X.2628 b. To R. from Hs. c. to CJ. c. to Bn. c. to E. c. to Da. Hs5/LG16.3.20. X.2628. RE THICK LEAF REAR SPRINGS. X.1331. We have received to-day the…

scan0104 Bumping test results, identifying the rear springs as the weakest component and the steel material as unsatisfactory.
View original record Contd. -2- Hs5/LG16.3.20. From the bumping test results, the rear springs are definitely the weakest unit at the rear end of the car. The total hours run on the back of the car on the bumping test is…

scan0105 Failures of rear springs during a bump test.
View original record X.26286 16.3.20. X.2628. X.1331. REAR SPRING FAILURES ON BUMP TEST 2" BUMPS 180° - 105 R.P.M. Description of Part. Number of hours. run. N.S. Split Leaf broken. 8 hrs. 30 mins. N.S. Split Leaf…

scan0106 Cover memo from C.J. distributing a memorandum from Mr. Royce regarding the chassis.
View original record To Wor from CJ. To Br. To HS. To HP. To Hl. To Cl. To Ox. To H. To Fe. To Whr. To HN. To HJ. To Sa. C.R. X 2628 b. X 2628 X.3454 RE CHASSIS. CJ7/El 8.3.20. Please find herewith memorandum from Mr.…

scan0107 Responding to criticism about chassis design, clarifying it is not a racing machine and discussing weight distribution.
View original record To CJ. from R. Copy c. to BN. c. to PN. With reference to PN's note from the Continent, apparently we are still expected to make universal chassis. It should be clearly understood that we are not…

scan0108 Extract listing four urgent design issues (slipper drive, steering, piston knocks, dynamo noise) that cause production delays.
View original record X 2628. b. Extract from EP16/F26.3.20. X.2565. RE ALTERATION IN DESIGN AND DELAY IN OUT-PUT. I think the following, however, are important features which should have urgent attention, so that cars can…

scan0109 Extracts from a report on chassis No. 713, detailing springing maintenance, mileage, and fuel consumption records.
View original record X 2628 b. R.R. 285A (100 T) (S.F 846 6-8-19) G. 5460 Copy to R. Copy to Wor. Copy to Mr. Copy to EP. Copy to EFC. To Bn. from B.L. STAMP: EFC RECEIVED. APR 8 1920 X 2628 X.53 R11/87.4.20. The…

scan0110 Bumping rig tests of split rear springs fitted with extra clips to see if their life could be increased.
View original record X.2628 To R. from Hs. c. to CJ. c. to Bn. c. to E. c. to Da. c. to EP. c. to Oy. Hs3/LG12.4.20. X.1331: X.1295. X.2628. RE REAR SPRINGS. We have carried out tests on the bumping rig with split rear…

scan0111 The unreliability of present rear springs, recommending a return to the pre-war design and to stop new orders for America.
View original record Contd. -2- Hs3/LG12.4.20. The results of the bump test show conclusively that the present rear springs which we are fitting are very much less reliable than those we fitted previous to the War. Even…

scan0112 Potential experiments and improvements to the steering system, referencing Mr. Horlick's feedback.
View original record X.2628 To CJ. from R. c. to Hs. (to act as indicated) c. to En. c. to Da. c. to Ry. c. to Wor. R2/G12.4.20. X.97563 - RE STEERING - PN. AND MR. HORLICK. X.2628 X.3791 G15/E9.4.20. X.3482 As far as I…

scan0113 List of instructions for adjusting the front axle, springs, and steering components.
View original record Contd. -2- R2/G12.4.20. front axle so that its vertical movement relative to the frame has no effect on the length of side steering tube to do this latter. (5) Put slightly more camber in the front…

scan0114 Issues with rear springs breaking and the need to revert to a pre-war spring design.
View original record Na. from BY. C. to Btn. C. to Mr. Booth. C. to Hs. EFC X.2628b BY3/P13.4.20. X.2628 CHASSIS - REAR SPRINGS AND FITTINGS. X.390-0 Owing to the fact that we are having considerable trouble due to plates…

scan0115 New design for rear springs to be made with thinned ends and Ferodo strips to prevent wear and squeaking.
View original record X.2628 b To Hs. from R. Copy to CJ. " " Bn. " " Da. R10/G14.4.20. X.3981. RE REAR SPRINGS. X.2628. I should be glad if you and Mr. Day will have a set of springs made in the style we want to adopt…

scan0116 From CJ to Hs enquiring about the testing procedures for rear springs.
View original record R.R. 850 a (20 T.) (S.B. 9`4, 5-9-19 G. 2470. X2628 attc. to HS5/L619-4-20 To Hs. from CJ. Re Rear Springs. CJ4/E.14.4.20 Referring to your Hs3/LG12.4.20, before this type of spring was fitted, were…

scan0117 The unsatisfactory nature of current rear springs and the policy for supplying spares.
View original record b. Hm. c. to BP. EFC c. to Hs. COPY. EP21/F14.4.20. X.2628 RE 21.CW SYMINGTON. With reference to D/BP30/CW12.4.20. copy of which was sent to you, the question of the type of springs to be sent as…

scan0118 Specifications for special rear springs for the Open Trials Car 19-LW.
View original record Hs. from EP. X.2628 EP9/F17.4.20. BEDDED X.3922 RE. SPECIAL/REAR SPRINGS FOR PN'S X.2628 OPEN TRIALS CAR. 19-LW With reference to our discussion on the above, I attach copy of memo I have today sent…

scan0119 Letter regarding a spring squeaking issue on the 19-LW Open Trials Car and arrangements for its repair.
View original record PN. c. to Hs. Re. 19-LW OPEN TRIALS CAR. We are in receipt of your telegram stating that Boot must be available in London with the car on Sunday morning. These instructions have been conveyed to him,…

scan0120 Manufacturing defects found in road springs.
View original record To Wor. from R. Copy to CJ. " " Bn. " " Wd. " " Da. " " Hs. " " By. X.2628.b. R12/G19.4.20. X.2628. RE ROAD SPRINGS. With reference to road springs, I understand that on examination of these the…

scan0121 Modifications to springs and clips to prevent plates from turning.
View original record R.R. 235 A (100 T) (S.F 846 6-8-19) G. 2460 Contd. -2- We had no knowledge of the use of this nib, and it was not shewn on our drawing. If anything further is needed than the single clip at present…

scan0122 Different designs of road springs for testing.
View original record R.R. 335 A (100 T) (S.F 846 6-8-19) G. 2460 X.2628 b To Hs. from R. Copy to CJ. " " Bn. " " PN. " " EFC. " " By. X.2628. RE ROAD SPRINGS. X.3981. X.3922. I think it is highly desirable for your to get…

scan0123 Proposal to revert to a pre-war type of rear spring for the chassis, and the plan to approach the supplier, Messrs. Woodheads.
View original record Wd. from BY. c. to Hs. c. to Da. X.2628 b. BY10/H21.4.20. X.2628 CHASSIS - REAR SPRINGS. Hs. confirms that Mr. Royce appears to be inclined to revert to the pre-war type of spring with the exception…

scan0124 Design of rear springs, condemning the split leaf concept and suggesting a return to older practices.
View original record R.R. 235 a 100 T S.F. 846. 6 8-19 G. 2460. X.2628.b To CJ. from R. Copy to Wor. " " Oy. " " Bn. " " Hs. " " EP. RE REAR SPRINGS - CJ/JS5/D20.4.20. X.2628 X.1295 I was surprised that considering the…

scan0125 Technical note advising on modifications to leaf springs to prevent failure during rough Continental service.
View original record Contd. -2- R8/G21.4.20. for the rough Continental service. I advise as soon as possible, removing the split leaf from the stock of spring at Derby, and rendering the bedding between the leaves more…

scan0126 Complaints about an Open Trials Car, including rear spring issues and a rough engine.
View original record Hs. c. to Bn. c. to BY. EFC. X 2628 EP21/F21.4.20. STAMP: E F C APR 23 1920 RECEIVED. X.3922. RE. 19-LW PN. OPEN TRIALS CAR. X 2628 With reference to the above car which recently came to the works for…

scan0127 Quality of chassis rear springs and the intention to work with Messrs Woodhead on an improvement.
View original record To BY from DA. Copy to HS. "WD." "MS." X2628 DA3/CB26-4-20. RE CHASSIS REAR SPRINGS. ------------------- With reference to your BY8/H23-4-20, the only comment I wish to make is that Mr Royce was…

scan0128 Test report for a rear bumper, detailing spring failures and Brinell hardness testing of leaves.
View original record X2628 AS REAR BUMPER TEST. 24.7.20 Springs F.4666 - 2324 lbs. O.S. " F.4665 - 2226 lbs. N.S. Date. | Total hrs. run. | Remarks.…

scan0129 Continuation of a bumper test, showing Brinell hardness test results for the leaves of a spring.
View original record -2- X2628 Contd:- Bumper Test. Spring F.4666 - 2324 lbs. BRINELL TEST. Leaves. Brinell. Remarks. 1 444 O.K. 2 444 O.K. 3 429 O.K. 4 415 O.K. 5 444 broken centre. 6 401 & 415 " 7 444 & 444 " 8 444 &…

scan0130 Letter to Messrs. Jonas Woodhead & Sons Ltd. confirming decisions about modifications to rear springs.
View original record c. Wor c. Wl c. HS. c. Ds. c. Mr. Booth X2628 1320. 6 lines. Messrs. Jonas Woodhead & Sons Ltd. Kirkstall Road, LEEDS. Dear Sirs, Referring to your Mr. Alfred Woodhead's visit to our Works of today's…

scan0131 Modifications to front and rear spring plates, including curvature, grinding and assembly methods.
View original record BY6-F29.4.20. contd. - 2 - c/- The curvatures of the various plates are to be modified as follows; The Main Plate. The radius of curvatures of this plate will be decreased a certain amount, whilst in…

scan0132 Leaf spring design modifications, clips, and supply arrangements for production chassis.
View original record BY6-P29.4.20. contd. - 3 - b/- R.R.Ltd, will supply a drawing showing not only the point referred to in item a/- of this paragraph, but also the method of tapering the thickness off the end of each…

scan0133 Correspondence regarding an offer from Mr Alfred Woodhead to produce 400 pairs of rear spring main plates with solid eyes.
View original record BY6-F29.4.20. contd. - 4 - Although Messrs. R.R.Ltd., are not ordering the following parts, Mr Alfred Woodhead pointed out that he was in a position to produce 400 pairs of rear spring main plates…

scan0134 Testing Ferodo bedding between the leaves of road springs.
View original record H.H. 235 B 200 T) (S.F. 674. 22-5-19) G. 2876. X.2628 b. To Wor. from R. Copy to CJ. " " Hs. R1/G28.4.20. X.2628. X.3981. RE ROAD SPRINGS. Thank you for your note Wor3/M26.4.20, I think the bedding…

scan0135 Requesting clarification on instructions regarding alterations and issues with rear springs.
View original record X.2628 b. By. from EP. c. to Wor. c. to Bn. c. to Hs. c. to EFC. EP6/F28.4.20. X.2628. RE ALTERATIONS TO REAR SPRINGS. X.1295. With reference to Mr. Royce's memo. R8/G21.4.20, in which he makes…

scan0136 Broken spring roller from Mr. Gibbs' Car 35.LW for investigation.
View original record BY. c. to Hs. c. to BN. EFC X 2628 b. EP10/F29.4.20. We send you herewith for your investigation a spring roller off Mr. Gibbs' Car 35.LW, which has broken whilst in Mr. Gibbs' possession. We…

scan0137 Design of new rear springs and a meeting with the supplier, Mr Woodhead.
View original record To R from DA, Copy to BN. Copy to EFC. X.26286. DA3/CB30-4-20. X.26286. RE REAR SPRINGS. X.4056. We send herewith a print of "N" Scheme 333 shewing the proposed new type of rear spring with more…

scan0138 Technical report discussing the performance of a spring clip and suggesting design modifications.
View original record (2). DA3/CB30-4-20 contd. springs do not squeak, and they, as a matter of fact, givenvery good service on 7CA. With reference to the clip, the present one is a steel casting. On the bumping rig the…

scan0139 Spring plate modifications, clips, and reasons for breakages, with suggestions for improvements.
View original record (3). DA3/CB30-4-20 contd. two bolts instead of one stud. Our objection to this is that it weakens the plate, but we suggest that this might be remedied by adding a little metal to the plate at that…

scan0140 The issue of front springs and preparing a drawing.
View original record (4). DA3/CB30-4-20 contd. We are now going into the question of front springs which we thought was not quite so urgent as the rear springs and shall be sending or bringing a drawing in a short while.…

scan0141 Proposed new rear spring designs ('N' Scheme 333) and manufacturing discussions.
View original record To R from DA. ["R" is crossed out] Copy to DR. ["DR" is crossed out] Copy to EFC. [Handwritten]: X.26286 DAL/CB 3-5-20. [Stamp]: RECEIVED 7 MAI 1920 X.26286 RE REAR SPRINGS. [Handwritten]: X.4036 We…

scan0142 Technical analysis of spring plate and clip design, discussing forces, wear, and potential improvements.
View original record (2). DAL/CB3-5-20. chamfered edges, and are made so that the plates have the same curvature throughout. It is understood that the tendency to squeak is not nearly so pronounced as at present, and…

scan0143 The design of spring clips and plates to resist sideways forces.
View original record (3). (4). When the spring flexes the plates slide on one another and thus tend to rock the clip. This action also tends to twist the clip.about an axis through the centre of the holding-down bolt,…

scan0144 Design and implementation of spring clips for a chassis.
View original record (4). DA1/CB3-5-20. four types of clip. It appears to us that we do not avoid the attempted distortion of the clip, due to the twisting of the plates, and therefore if we cannot make the clip strong…

scan0145 Fitting shock absorbers and non-split rear springs to the American Trials Car chassis, 22-LW.
View original record Sft. from BY. c.Hs. c.Bn. c.Wor. C to EFC X.2628 b 2 BY8/P4.5.20 X.3719✓ RE AMERICAN TRIALS CAR - 22-LW. X.2628✓ X.34616 X.1295 I am of the opinion that if we have Shock Absorbers available we should…

scan0146 Design improvements for rear road springs, focusing on plates and clips.
View original record R.R. 36a (100 T) (S.G. 643, 19-2-20) G 2618 X.26286 To R. from Da. Copy to Bn. Copy to EFC. -------------- Da5/CB6.5.20. X.4056. RE REAR ROAD SPRINGS. X.2628b. With reference to our note -…

scan0147 Announcing that new forged chassis rear springs, with pegs and slots deleted, are now available from the Stores.
View original record R.R. 235 B (200 T) (S.F. 102. 25-10-18) G. 2244. x.2628 By. Wd. hs. Dr. Wd/AW3/W8520. 8th May.1920. CHASSIS REAR SPRINGS. Kindly note that the forged Springs referred to in your memo Byl5/H.5.5.20…

scan0148 Letter about unsafe alterations made to a car chassis and deciding on the necessary action.
View original record C. to EFC. COPY. [Text crossed out: CJ. C6/H10.5.20.] X.2628 b. Hs.. Please see CJ's remark below. Will you arrange for the necessary action and then kindly return the papers for filing here. H.…

scan0149 Letter from an Engineer and Carriage Builder detailing modifications made to chassis, including replacing bronze trunnions with steel ones.
View original record X.2628 T.H. Gill, Engineer & Automobile Carriage Builder, 25 Chilworth Street, Hyde Park, W. (close to G.W.R. terminus). COPY. JJG/K. 4th.May 1920. Messrs. Rolls-Royce Ltd., Conduit Street, London.W.…

scan0150 Page 2 of a letter discussing fitting new bodies to chassis, conversions, and the suitability of cantilever springs.
View original record Sheet 2. Messrs. Rolls-Royce Ltd., 4/5/20. ANS'D BY R.C. ON 20/5/20 REF H.M I have fitted numerous bodies to chassis that have been converted by others the names of whom I presume you are fully…

scan0151 The concluding page of a letter signed by J.J. Gill.
View original record Sheet 3. 4.5.20. I am not doing, I beg to remain, Yours faithfully, Sgd. J.J. Gill.

scan0152 Telephone conversation about the delivery of chassis rear springs.
View original record Hs. c. Wd. c. Da. c. Wor. X2628 BY15/H. 5. 5. 20. CHASSIS REAR SPRINGS. X2628 In discussing the question over the telephone of delivery for the present type of Rear Spring, with nibs and slots…

scan0153 Proposal to fit heavier springs to Australian chassis.
View original record X.2628 COPY. Sn. from BY. c. to EP. c. to HS. C to ER BY2/P17.5.20. X.3664 RE: FRONT AND REAR SPRINGS. X.2628 RE WEIGHT OF SPRINGS TO BE FITTED TO AUSTRALIAN CHASSIS. I do not think that we should…

scan0154 Suggesting T.H. Gill acquire certain fittings for them to be tested on the bump test.
View original record Hm. from Hs. X.26286 EFC T.H. Gill. Hs7/LG17.5.20. With reference to the attached from the above-named, we suggest that you could deal with this matter most efficiently. If you could get hold of the…

scan0155 Forgings, rear road springs, and front shock absorber anchorage for the 40/50 HP chassis.
View original record X.2628b To Hs. Da, & By. 3a. E1/G18.5.20. Contd. This forging should be got in hand at the earliest possible moment. Further, Mr. Royce wishes Mr. Hives to test a 2½" diameter pipe between the…

scan0156 Issues and potential modifications for chassis rear springs, including squeaking.
View original record Hs. from BY. c. Wd. c/o EFC X.2628 b COPY. BY6/P20.5.20.T X.3981 CHASSIS - REAR SPRINGS. X.2628b Have you got any information in regard to the value of the present type of rear spring as sample two…

scan0157 Reporting on the bumping rig test of road springs received from Messrs. Woodhead.
View original record X2688b X3854 To R. from Hs. c. to CJ. c. to Bn. c. to Da. c. to E. c. to By. Hs3/LG21.5.20. X.2628b. RE - ROAD SPRINGS. X.1331. X.3981. We have run on the bumping rig a pair of the latest road springs…

scan0158 Confirmation of a telegram sent to Messrs Jonas Woodhead regarding a new spring design and production.
View original record X262-8 CONFIRMATION OF TELEGRAM SENT TO MESSRS JONAS WOODHEAD. C. Wd. C. Da. C. Hs. TO 'FORGE LEEDS' MAY 21/20. RE SPRINGS OUR MR DAY INFORMS ME HE WROTE YOU LAST NIGHT SENDING DESIGN OF NEW SPRING…

scan0159 Follow-up memo regarding the supply of non-split type rear springs for PN's trials car 19-LW.
View original record Hs. 2028 EP/T21/F27.5.20. F.R. X3981 RE. 19-LW. PN'S TRIALS CAR. X3922 X2628 We have not yet received a reply to our EP21/F21.4.20 in which was given an extract of memo, received from PN. Further copy…

scan0160 Recommendation to modify the rear springs to increase clearance for the shock absorbers.
View original record X.26286 E.F.C. To Dad from Hs. c. to BY Hsl/LC28.5.20. X.26286 RE REAR SPRINGS. X.34616 Now that we are using the solid bottom leaf with only one safety bolt at the end, we recommend that some more…

scan0161 Rear leaf spring design, friction, and the fitting of a luggage grid.
View original record X.2628b To Hs. From R. Copy to CJ. X.3923. X.3507. X.3981. RE 6 EX. X.2628.b I put off going to the Fens with the object of trying this car, principally owing to the strike, so it will give you a…

scan0162 Use of Ferodo and alternative materials like sheet brass to prevent seizure.
View original record Contd. -2- R4/G31.5.20. of these leaves over about 4 square inches of surface. If the ferodo does not promise to be successful, I think it would be wise to try the effect of other material, such as…

scan0163 Log sheet detailing the results of a bumper test on a chassis, tracking hours run and component failures.
View original record X.2628b. 2.6.20 X-1381 BUMPER TEST. X.2628 & X8981 2" Cam. 105 R.P.M. Special rear springs - no nibs. and slots - ground all over. O.S. F.7790. - Loaded lbs. 2160 N.S. F.7789 - " " 2069. | Total hours…

scan0164 Complaints of chassis rattles caused by excessive end play in spring shackles and supports.
View original record SFC. c. to RY. c. to Hs. X.2628 EP36/F1.6.20. A. T. I. RE. FITTING OF SPRING SHACKLES AND SPRING SUPPORTS. We are receiving complaints that new chassis develop rattles after a few miles running on the…

scan0165 The breakage of a front spring on a Demonstration Class Car after 35,000 miles.
View original record BY. from EP. c. to Hs. c. to Bn. & Fe c. to Da. X.2628 COPY. X.2628a EFC RECEIVED. RE BREAKAGE OF FRONT SPRINGS. The top leaf of the front spring broke on our Demonstration Class Car, No.7-LW after…

scan0166 The testing of different types of rear springs and an analysis of fractures observed on a bumping rig.
View original record R.R. 199 (250T) (SD676 19-7-17) MP180865 X.2628.b To R. from Hs. c. to CJ. c. to Bn. c. to E. c. to Da. c. to By. Hs3/LG10. 6. 20. X.3981. X.2628 RE REAR SPRINGS. X.1331. We are at present testing on…

scan0167 Continued technical note regarding stress on plates which break.
View original record z Contd. -2- Hs/3/LG10.6.20. stress on the other plates which break in turn. Hs.

scan0168 Mathematical investigation into rear road spring failures and design improvements.
View original record To From DA. Copy to EN. Copy to EWC. X.2628 DA2/CB11-6-20. REAR ROAD SPRINGS. X.2628 X.3961 With reference to Mr Hives's report - HS3/LG10-6-20 and the question of road springs generally, we have been…

scan0169 Incorrectly manufactured chassis rear springs and requesting a new order to fix a squeaking issue.
View original record To EY, from Hs. C. to Da. RFC X26286 V3854 Hs/LG14.6.20. X.26286 RE - CHASSIS REAR SPRINGS. X.3981 We have received a set of springs from Messrs. Woodhead's for Mr. Royce's car. Unfortunately, these…

scan0170 Suggestions for re-lubricating chassis rear spring interleaving material using graphite.
View original record X26281 Hs. from By. c. to EFC. By5/P16.6.20. X.3483. CHASSIS - REAR SPRINGS X.2628.b RE LUBRICATING OF INTERLEAVING MATERIAL. I have made certain suggestions to Mr. Herbert Frood with reference to the…

scan0171 Performance and potential improvements of shock dampers.
View original record x2628b To Hs. from R. Copy to CJ. " " Bn. " " Da. " " By. " " EFC. R7/G22.6.20. X.3461b. RE SHOCK DAMPERS. X.2628b. With reference to your report Hs1/AT18.6.20, do the shock dampers loose their…

scan0172 Test report detailing the results of a bumper and 12-leaf spring durability trial, including Brinell hardness tests on the broken spring.
View original record X2628 BUMPER TEST. Spring with 12 leaves O.S. F.4666 - 2000 lbs. N.S. F.4665 - 2226 lbs. Date. Total hrs. Remarks. 24.6.20 25.6.20 7 hrs. 45 mins. Bolt and cap K.419 broken O.S. centre main bearing…

scan0173 Chassis failures during a bump test after switching from split springs to solid leaf springs.
View original record X2628 To R. from Hs. c. to CJ. c. to Bn. c. to E. c. to Da. c. to By. Hs5/LG28.6.20. X.1331. X.2628. RE BUMP TEST ON REAR PART OF CHASSIS. X.3440. It is noticeable since we have changed over from…

scan0174 Investigation into the design and performance of rear road springs, noting issues with plate thickness and stress distribution.
View original record To R from DA. Copy to BN. Copy to EFC. X.2628 X.4056 EFC RE REAR ROAD SPRINGS. ----------------- We have not completed our investigations of springs. Apart from the job being a lengthy one we have…

scan0175 Continuation of a report on the analysis of leaf spring characteristics and performance.
View original record DA23/CB30-6-20 contd. (4). The length of time taken to break a leaf depends primarily on the stress set up as above, and secondly on the Brinell hardness of the plates, which vary in the springs we…

scan0176 Letter to T. Firth & Sons, Ltd. regarding the design specifications and finish of road springs.
View original record X 2628 Copy to CJ.) " " Wor) " " By. from R. " " Da.) " " Bn.) " " Wd.) " " Hs.) R4/G2.7.201 2nd. July, 1920. J.W. Fawcett, Esq., c/o Messrs. T. Firth & Sons, Ltd., Norfolk Works, SHEFFIELD. Dear Mr.…

scan0177 From F.H. Royce discussing the design of spring eyes, lubrication, and bushes.
View original record Contd. -2- R4/G2.7.20. As regards the eyes of the long plates, I have come to the conclusion that we cannot adopt anything better for the purpose than the solid eye we are at present using, the reason…

scan0178 Continued list of notes and feedback on various vehicle components including steering, axle, suspension, body, and floorboards.
View original record R.R. 235A (100 T) (S. G. 645, 19-2-20) G 2618 X.2628 X.3923. Chassis 6EX. Extract Contd. -2- R2/G17.7.20. in D"D steering the higher it should be from the floor. The top of the steering wheel should…

scan0179 Potential modifications to suspension springs, including split leaves and under-axle mounting.
View original record To Hs. from R, Copy to CJ. X 2628 R3/G21.7.20. X.2628. X.1295. RE SPRINGS. X.2650. You will notice in some of my recent memos that I have the impression that we have lost considerably in beaty of…

scan0180 Log from a Bumper Test detailing failures of spring and shock absorber components.
View original record HS. X2628 BUMPER TEST New Springs fitted O.S. F.363 2212 lbs. N.S. F.363 2100 lbs. O.S. Shock Absorber casing loose, ball race loose - retightened up. N.S. Shock Absorber - fibre plates burnt out, new…

scan0181 Test report on a leaf spring's durability, noting material hardness and failure points over time.
View original record XZ628 AS. SPRING F.363 - 2100 lbs. - parallel - tapered ends - no nibs and slots - ground all over - fitted on bump chassis 28.7.20. No.of leaves. | Brinall | Remarks. | Time run. 6 1 | 415 | cracked…

scan0182 Test report for Spring F.363, detailing Brinell hardness and run time results for 6 leaves.
View original record X262F SPRING F.363 - 2212 lbs. parallel - leaves tapered ends no nibs and slots - ground all over. Fitted on O.S. bump chassis 28.7.20. No. of leaves 6. | Brinell. | Remarks. | Time run. 1 | 415 |…

scan0183 Recommendation to use pre-war rear springs for American chassis due to their durability and superior performance on rough roads.
View original record To R. from Hs. c. to CJ. c. to Bn. c. to E. c. to Da. c. to By. X.390^b. RE SPRINGS FOR AMERICAN CHASSIS. X.2628b. We have, in another report, given the life of the modified springs, on the Bump test…

scan0184 Ride comfort differences between split leaf and solid leaf springs on a 40/50 chassis.
View original record To R. from Hs. c. to CJ. c. to Bn. c. to E. c. to Da. c. to By. c. to EP. x.2628b Hs6/LG30.7.20. X.2628b. RE SPRINGING OF 40/50 CHASSIS. X.3923. X.3981. We should very much like you to try 6.EX Car…

scan0185 Straight-sided Dunlop tyres discussing issues with high pressure, ride comfort, and road handling.
View original record R.R. 235A (100 T) (S.G. 643, 19-2-20) G. 2618 Contd. -2- Hs6/LG30.7.20. X.4050. We are running on one of our cars some of the straight sided Dunlop tyres. x Dunlops have asked us to run them with 80…

scan0186 Reporting on comparative tests of various rear spring designs.
View original record R.R. 255a (100 T) (S.G. 643. 19-2-20) G. 2618 To R. from Hs. c. to CJ. c. to Bn. c. to E. c. to Da. c. to By. X2628b Hsl/LG31.7.20. X.2628b. RE REAR SPRINGS. X.3981. We have carried out comparative…

scan0187 Rear leaf spring design, bump testing, and the use of Ferodo interleaving material to prevent squeaking.
View original record Contd. -2- Hsl/LG31.7.20. regards absence of squeaking from the leaves. The disadvantage in the pre-war springs is increased weight. We do not feel happy with any rear springs which last less than 20…

scan0188 Continued discussion on fitting rear springs with known faults, while awaiting better experimental results.
View original record R.R. 885A.(100 T) (S.G. 643. 19-2-20) G. 2618 Contd. -3- Hsl/LG31.7.20. position we are at present in which we are fitting rear springs to our cars which we know have faults and hanging on to them…

scan0189 Test results from a bumping rig comparing different types of rear springs based on hours run until fracture.
View original record E. W. 255A (100 T) (S.G. 642, 19-2-20) G 2618 TESTS ON BUMPING RIG - 2" CAMS. SET AT X.1331. 180° - DRUMS REVOLVING AT 105 R.P.M. | | No. | Hours run | Fracture. | |---|---|---|---| | Pre-war rear…

scan0190 Test report on two SPRING F.363 leaf springs, detailing wear, cracks, and breakages after a time run.
View original record X2628 SPRING F.363 - 220 lbs. - parallel leaves tapered ends - no nibs and slots - ground all over. Fitted on O.S. Bump chassis 3.8.20. No. of leaves 6. | Brinell | Remarks. | Time run. --- | --- |…

scan0191 The proposal to modify chassis front springs by removing nibs and slots.
View original record Da. Hs. Wd. 96.Fe COPY. X.2628a BY14/H8.8.20. X.2628a CHASSIS FRONT SPRINGS. With reference to the proposal to cut out the nibs and slots on the springs, nothing at the moment has been done definitely…

scan0192 Inspection report detailing the condition of a 9-leaf spring after a test run, including specifications and test results.
View original record X2628 SPRING F.391 - 2324 lbs. - parallel leaves without tie clips, no nibs or slots - ground all over, consisting of nine leaves. Fitted to Bump Chassis 10.8.20. (O.S.) Table: No. of leaves 9. |…

scan0193 Test report for a 9-leaf parallel spring, detailing cracks and breaks after a runtime test.
View original record HS X2628 SPRING F.391 - parallel leaves, without tie clips no nibs and slots, ground all over, consisting of 9 leaves. Fitted to N.S. Bump chassis 10.8.20. (2286 lbs.) No. of leaves 9. | Brinell |…

scan0194 Directive to stop ordering the current packing for rear spring centre bracket F.6779 and to replace it with aluminium packing.
View original record X.26286 C O P Y. Ms. from BY. c. Hs. c. EP. c. EFC. BY/Mtnl&P19.8.20. RECEIVED AUG 19 X.26286 RE PACKING FOR REAR SPRING FIXING THE CENTRE BRACKET F.6779. Will you kindly stop ordering any more of the…

scan0195 Distributing standardisation sheets for experiments on rear springs, a luggage bracket, and a back axle.
View original record X.2628b. To Wor. from Hs/AT. Bn. By. Da. EP. PN. Hs/AT20.8.20. STANDARDISATION SHEETS. Herewith please receive standardisation sheets for the following experiments:- X.2628b. Rear road springs,…

scan0196 Comparison of the springing and riding characteristics between car models 1.EX and 6.EX.
View original record To Hs. from R. Copy to CJ. " " Wor. " " Da. " " By. " " EFC. " " EP. x 2628/b. R7/G20.8.20. X.2628.b. X.3923. X.3763a. RE SPRINGING OF 1.EX COMPARED WITH 6.EX. X.3461b. With reference to the riding…

scan0197 Front bumper test report detailing Brinell hardness results for an 11-leaf spring.
View original record J.F.F RECEIVED OCT 14 1928 2628 X2628 BUMPER TEST - FRONT SPRING F.4625 - 950 lbs. 11 leaves with tie clips also nibs and slots, tapered ends. Fitted on O.S. bump chassis 30.8.20 (standard spring)…

scan0198 Log sheet detailing the results and failures during a bumper and spring endurance test.
View original record X.26286 76EC/ BUMPER TEST. (filed 30.8.20) X.26286 New Springs fitted O.S. F.391 2324 lbs. N.S. F. 2286 lbs. X.1331 Running with shock absorbers. | Date. | Total hrs. run. | Remarks. | |---|---|---| |…

scan0199 Log sheet detailing component failures, maintenance activities, and replacements against total run hours.
View original record Contd. -2- Date. Total hrs. run. Remarks. 20.8.20 | 3 hrs. 45 mins. | New spring fitted N.S. F.391. 2356 lbs. O.K. 23.8.20 | 7 " 25 " | Torque rod broken N.S. - replaced by new one. 24.8.20 | 11 " 10…

scan0200 Front buffer spring test report, detailing Brinell hardness and run time.
View original record X.1331 / X.2628 BUFFER TEST - FRONT. Spring F.4629 - 900 lbs. 10 leaves with nibs and slots Tie clips, tapered ends. (standard springs) Fitted to N.S. bump chassis 30.8.20 No. of leaves. | Brinell. |…

scan0201 Visit to Jonas Woodhead & Sons Ltd. concerning the production and delivery of chassis rear road springs.
View original record Wor. from Wd. c.to By. c.to Mr. c.to Hs. c.to Hm. c.to Hy. c.to Hr. X2628 Wd1/NJ30.8.20. Chassis Rear Road Springs. I was at Jonas Woodhead & Sons Ltd. on Friday after-noon, 27th inst. and ascertained…

scan0202 Technical bulletin regarding the cause and cure for squeaking rear leaf springs.
View original record X.2628 J Clarke (C/C) B. Ps. Wa. Mr. Caswell. " Wheeler. " Kirby. " Peat. " Salamanca. " Birkett. " Hanbury. " Evans. " Reid. H.R. H.M. Mr. Hulley. RECEIVED No. 107. X 2628 RE. SQUEAKING REAR SPRINGS.…

scan0203 The work carried out on the 1.EX Car before dispatch.
View original record X2628 To R. from Hs. c. to CJ. c. to Hn. c. to E. c. to Da. c. to BY. Hs7/EG31.8.20. X.3763a/b. RE 1.EX CAR. We propose sending this car to West Wittering on Friday Sept. 3rd. and to bring away 6.EX…

scan0204 Standardisation sheets for various vehicle parts.
View original record X.2628b To R. from Hs/AT. CJ. Hs/AT2.9.20. RE STANDARDISATION SHEETS. Herewith please receive standardisation sheets for the following:- X.2628b. Rear Road Springs, pre-war thin leaf type. X.3507.…

scan0205 Cause and potential remedies for squeaking leaf springs.
View original record To Hs. from R. Copy to CJ. " " PN. " " Da. " " EFC. " " By. " " EP. " " R.R. of America Inc. (For the attention of OY). X2628b R5/G3.9.20. X.2628b. X.3483. X.3745. RE SQUEAKING OF SPRINGS. X.3981. BS…

scan0206 Methods for greasing and protecting car springs to reduce noise and wear.
View original record F. R. 286a (100 T) (S. H. 159, 11-8-20) G. 2800 Contd. -2- R5/G3.9.20. of grease-proof tape, and over this fit the leather stocking lately suggested, or bind the spring neatly with cord, securely…

scan0207 Forwarding correspondence regarding rear springs from supplier Jonas Woodhead & Sons Ltd.
View original record X.2628 X3854 BY. from Wd. c. to Da. c. to Hs. c. to Ms. Wd5/NJ6.9.20. X.3950 REAR SPRINGS TO PRINT F.7973. X 2628 Herewith I send you copy of our letter Wd12/NJ2.9.20 of 2nd. inst. to Jonas Woodhead &…

scan0208 Test report on Ferodo interleaving material fitted to the springs of an experimental car and its effect on axle dithering.
View original record R.R. 235A (100 T) (S. G. 643, 19-2-20) G 2618 X2628b To R. from Hs. c. to CJ. c. to En. c. to Da. c. to E. c. to By. c. to FN. Hsl/LG7.9.20. X.3763. X.3483. 1.EX CAR. X.2628. X.3981. X.3461b. We have…

scan0209 Testing methods for leaf springs, comparing greasing against using interleaving material.
View original record Contd. -2- Hs1/LG/9.20. 1. When greased as they come from the Makers. 2. After having run on a car 1000 miles and are squeaking. 3. When fitted with interleaving material. These tests will be carried…

scan0210 Extract discussing steering wobble and transmission knock issues in present production cars.
View original record X.26286 H.R. 935A (100 T) (S.H 159, 11-8-20) G. 9800 Extract from R6/G7.9.20. X.2555. RE PRESENT PRODUCTION CARS. X.4050. X.457. X.963. X.3781a. X.20. THE speed and weight of our car, which will…

scan0211 Extract discussing transmission design choices, torque tubes, and electrical installation schemes including starter and ignition systems.
View original record Contd. Extract from Rg/07.9.20. This transmission knock is (as anticipated seven years ago) quite absent in the Hawk Northcliffe chassis, as this has parallel control, which in our new designs we are…

scan0212 Standardisation of chassis parts, specifically pre-war thin leaf type rear road springs.
View original record R.R. 755 (5 H) (S.A. 325. 25-2-15) G. 0961. X 2628b. COMPLETED 8.9.20 STANDARDISATION of CHASSIS PARTS. Description of Parts. Rear road springs, pre-war thin leaf type. Date: 20.8.20. X 2628b. Drawing…

scan0213 Lubrication of road springs and modifications to rear shock dampers for improved ride quality.
View original record X2628 To Hs. from H. Copy to CJ. " " Bn. " " D. " " EFC. " " EP. " " By. X.2628. RE ROAD SPRINGS. X.3483. X.3461. You will see from recent memos that I am quite in agreement with you and Mr. Platford…

scan0214 Ferodo interleaving for springs and suggesting alternative materials and designs.
View original record Contd. -2- R6/G10.9.20. that the ferodo interleaving will stand road conditions of mud and water, etc. It rather indicated that the friction with ferodo interleaving plates would probably be in the…

scan0215 Log sheet for a bump test on a front chassis, detailing issues with suspension and other components over time.
View original record HS X2628 BUMP TEST - FRONT CHASSIS. New type rear engine suspension brackets. Dunlop wire wheels with 72 spokes. Date | hrs. run. | Remarks.…

scan0216 Bumper test report for a front spring, detailing Brinell hardness results and failure analysis for each leaf.
View original record HS X2628 BUMPER TEST - FRONT SPRING F.4625 - 950 lbs. 11 leaves, with tie clips also nibs and slots, tapered ends. Fitted on O.S. bump chassis 30.8.20 (standard spring) No. of leaves. | Brinell. |…

scan0217 Tests conducted on the 6.EX car to determine the effect of rear shock absorbers with different tyre pressures.
View original record X2628b To R. from Hs. c. to CJ. c. to Bn. c. to E. c. to Da. c. to By. c. to EP. c. to EWT. for R.R. Inc. Hs2/LG22.9.20. X.3461b. X.4050. RE SHOCK ABSORBERS. X.2628b. We have recently carried out some…

scan0218 Test results of rear shock absorbers, including noise issues, potential solutions using Ferodo Discs, and recommendations for their use.
View original record Contd. -2- Hs2/LG22.9.20. them was when going over a hog-backed bridge. - the rebound of the springs was nothing like as bad. The results of these tests show that the rear shock absorbers are always…

scan0219 Bumper test results for a 10-leaf spring, detailing Brinell hardness, run time, and failure points.
View original record HS X2628 BUMPER TEST. F.5629 Spring consisting of 10 leaves, tapered ends, with nibs and slots and tie clips. Fitted to N.S. Bump chassis 29.9.20. No. of leaves. | Brinell. | Remarks. | Time run.…

scan0220 Results of Brinell hardness tests on various spring leaves.
View original record X2628 BRINELL TESTS - contd. Spring F.7787 1900 lbs. Leaves. | Brin: | Remarks. | Hrs.run. 1 | 429/415 | Broken 2 | 352 | Cracked. 3 | 388 | " 4 | 388 | " 5 | 388 | O.K. 6 | 388 | O.K. 21hrs.15 mins.…

scan0221 Test report for a 10-leaf front chassis spring (F.4629), detailing Brinell hardness, test results, and duration.
View original record X 2628 X.133/ BUMPER TEST - FRONT CHASSIS. X 2628 Spring F.4629 - 10 leaves, tapered ends with clips, nibs and slots. 900 lbs. Fitted to N.S. Bump Chassis 23.9.20. No. of leaves. | Brinell. | Remarks.…

scan0222 From Mr. Royce detailing his autumn road test of experimental car 1.EX and comments on production cars and road conditions.
View original record X2628 COPY OF MEMORANDUM FROM MR. ROYCE. To C.J. from R. R1/G26.9.20. My dear C.J., X.20. X.3056. X.3763. X.2628. X.4050. X.3461. X.2565. RE PRODUCTION CARS. I have just completed my autumn run of my…

scan0223 Improving ride comfort through adjustments to tyres, springs, and axle ratios.
View original record Contd. -2- What has been said of roads can also be said of tyres. Pleasant riding cannot be obtained without Pneumatic tyres, and these must be allowed to deflect with the load. Moreover, like the…

scan0224 Car performance, issues with a Hawk aero engine, and recommendations for suspension and electrical improvements.
View original record Contd. -3- R1/G26.9.20. I found R.R. Cars nearly all in the country travelling at higher speeds than we usually supposed judging by the slow and silent way they are mostly driven in towns and…

scan0225 Rear springing of cars, addressing weight discrepancies, damping issues, and the influence of tyre manufacturing changes.
View original record X.2628b To CJ. from R. Copy to PN. " " Hs. " " EP. " " R.R. of America Inc. (For attention of OY). X.2628b. X.3461b. RE REAR SPRINGING OF CARS. On thinking this matter over further, it has occurred to…

scan0226 Test report for a 10-leaf spring, detailing Brinell hardness and endurance test results.
View original record X.2628 X.1331 BUMPER TEST. X.2628 F.5629 Spring consisting of 10 leaves, tapered ends, with nibs and slots and tie clips. Fitted to N.S. Bump chassis 29.9.20. No. of leaves. | Brinell. | Remarks. |…

scan0227 Investigating a knocking issue from the rear spring and axle, detailing customer complaints, test findings, and proposing two potential solutions.
View original record Da from BY. c. Hs. c. EP. c. EFC. X.26286 C SEP :0 RECEIVED BY6-P30.9.20. CHASSIS - REAR AXLE. X.26286 & REAR SPRINGS & FITTINGS. ------------------------- EP, has demonstrated to me a trouble which…

scan0228 Necessity of sideways clearance for a spring and roller assembly to prevent binding.
View original record EY6-P30.9.20. contd. - 2 - It is evident that a certain amount of clearance sideways is necessary, or else the spring will bind between the flanges of the roller when the axle is moved sideways. In…

scan0229 Test report detailing the results of bumper spring tests on a front chassis.
View original record AS X2628 BUMPER TEST - FRONT. CHASSIS. Springs fitted. F.4630 - 11 leaves, tie clips, nibs and slots, tapered ends. Fitted to chassis 21.9.20. (O.S.) Removed 24.9.20. Spring replaced with American top…

scan0230 Tests comparing oil type thin leaf springs with present thick leaf springs on a 40/50 chassis.
View original record R.R. 238a (100 T) (S. G. 643. 19-2-20) G 2618 X2628b To H. from Hs. c. to CJ. c. to Bn. c. to E. c. to Da. c. to EP. c. to By. c. to EWT. from R.R. Inc. Hs1/LG1.10.20. X.2628b. SPRINGING ON 40/50…

scan0231 The comparison between thin and thick leaf springs, considering performance, reliability, and customer feedback.
View original record R.R. 235A (100 T) (S.& C. 643. 10-2-20) G 2618 Contd. -2- Hsl/LGl.10.20. We have carried out tests on other cars and find that if one compares the thin leaf springs, after it has run on a car for some…

scan0232 Continued memorandum discussing the issue of overly stiff car springs and correct weight specifications.
View original record Contd. -3- Hsl/LG1.10.20. of the car, we can appreciate the difference between a car that has too too stiff springs and one which was the correct springs. We know from our Repair Dept. records that…

scan0233 Spring testing for the 40/50 chassis, comparing ride quality with different springs and the effect of shock absorbers.
View original record To EP. from Hs. X.2628 & F.P. Hs2/LG1.10.20. X.2628 SPRINGING ON 40/50 CHASSIS. HS1/LG1-10-20 (N1/426.9.20) Attached herewith is our report on springing and also note from R. We have gone to a lot of…

scan0234 Test report on a front bumper, new engine rear suspension brackets, and Dunlop wire wheels with 72 spokes.
View original record X2658 H/S TEST ON BUMPER - FRONT OF CHASSIS. New type engine rear suspension bkts. Dunlop Wire Wheels with 72 spokes. Date | Total hrs. run! | Remarks 4.10.20 | 51 hrs. | O.S. spring, rear clip…

scan0235 Vehicle issues including suspension springing, steering wobbles, and spark plug overoiling.
View original record H.H. 155A (100 T) (S.H. 159, 11-8-20) G. 2800 x2628 COPY. x 454 6.10.20. "Have cabled works to-day as per attached. Hives. Chief trouble here is springing. Customers complain of being thrown about…

scan0236 Vehicle suspension issues, including springs, shock absorbers, wobbles, and tyres, particularly in relation to American roads.
View original record -2- 22-LW. These plugs also give better slow running and maintain EA will bring some over.' ( Copy of report from EP dated 7.10.20. ) ***************************** "As regards springing I anxiously…

scan0237 List of vehicle faults and points for discussion, page 2.
View original record -2- "Marmon car. Very bad even with long prop. has same faults. Note difference with and without shock absorbers. Shock absorbers. Note particulars French type enclosed There seems to be very few…

scan0238 Report discussing vehicle springing, wobbles, and tyre performance issues.
View original record X2628 -2- x.3467 x.4050 x.487 x.3724 22-LW. These plugs also give better slow running and maintain so will bring some over.* ( Copy of report from EP dated 7.10.20. ) ----------------- "As…

scan0239 List of vehicle faults and observations for discussion.
View original record -2- "Marmon car. Very bad even with long prop. has same faults. Note difference with and without shock absorbers. Shock absorbers. Note particulars French type enclosed there seems to be very few…

scan0240 Forwarding a cablegram from Mr. Platford about a complaint regarding American springing and shock absorbers.
View original record To Wor. from Hs. c. to By. c. to Wd. c. to Hm. c. to Mr. Maddocks. Test Dept. X 2628 Hs3/LG8.10.20. X 3000 We have received the following cable from Mr. Platford. "HIVES. AMERICAN SPRINGING COMPLAINT…

scan0241 Comparison of axle ratio, springs, and shock absorbers for specific car models.
View original record x2628b Extract from Hs1/LG9.10.20. X.3923. RE CAR 6.EX. X.4138. AXLE RATIO. 3.25 on both cars. X.2628b. X.3483. SPRINGS. Both cars are sprung with the same weight of springs We are using weaker…

scan0242 Copy telegram regarding a cable received about obtaining and fitting springs.
View original record X2625 COPY TELEGRAM. 15. 10. 20. TO ROYCAR DERBY WORMALD CONCERNING CABLE RECEIVED YESTERDAY FROM CJ. RE SPRINGS PLEASE WIRE WHAT I CAN REPLY TO HIS QUESTION NAMELY WHEN SUFFICIENT THINS CAN BE…

scan0243 Jumper test report for a front chassis, detailing the performance and failure of various leaf springs.
View original record X.2628 (filed 15.10.20) X.1337 JUMPER TEST - FRONT CHASSIS. X.2628 Springs fitted. Load in lbs. Remarks. Brinell. F.4630 - 11 leaves, tie clips, nibs and slots, tapered ends. Fitted to chasis 21.9.20.…

scan0244 New type of spring with a gunmetal hoop, noting its rough finish and offering it for testing purposes.
View original record X2628 To HS from DA. Copy to RHC. DA9/CB23-10-20. There is one of the new type springs in here with a number of thin plates and a gunmetal hoop at the rear end. We think that the hoop is possible, but…

scan0245 Cost versus benefit of grinding all the leaves on rear springs.
View original record X.2628. To BY. from Hs. c. to Wd. c. to M. c. to Wor. RECEIVED Hs2/LG25.10.20. X.2628 RE SPRINGS. It will be interesting to know what extra cost is incurred on rear springs if we have all the leaves…

scan0246 The design and assembly of front springs, specifically about using nibs and slots.
View original record R.R. 225b (100 T. S.H. 89. 22-7-20) G. 2769 Wd. from EY. C. Mr Booth. c. Hs. c. EFC. X.2628 BY16-P27.10.20. CHASSIS - FRONT SPRINGS. Please note that for the front springs we will carry on with nibs…

scan0247 Suggesting a new wearing plate design to fix a knock in the rear axle springs.
View original record R.R. 235B (100 T) S.H. 89. 22-7-20) G 2769 x2628 To By. from Da. Copy to Hs. (1 print). Copy to TB. (1 print). Copy to RHC. (1 print). Copy to EFC. Da3/CB3.11.20. X.4209. Rear Axle Springs & Fittings.…

scan0248 Bumper test report on an 11-leaf spring, showing Brinell hardness and failures.
View original record LAS X2628 BUMPER TEST. F.4630 - Spring consisting of 11 leaves, with tapered ends, nibs, slots and tie clips. Lbs. 950. Fitted to N.S. Bump chassis 5.11.20. No. of leaves. Brinell. Remarks. Time run.…

scan0249 Letter discussing the 'King's Patent Spring Oiler', accompanied by a leaflet and a sample.
View original record Hs. from Wd. 8th Nov. 1920. X2628 Wd1/NJ81120. King's Patent Spring Oiler. Attached is copy of a letter from E. & A. F. Bourdas, London, to our London office, dated 3rd inst. also a leaflet…

scan0250 Fitting of thin leaf springs and a friction device to the steering pivots on all American cars.
View original record X2628 cg A.T. (3) By. from EP. c. to MOR. " " HS. " " D. for Rd. EP20/F9.11.20. X3357 RE. FITTING OF THIN LEAF SPRINGS AND FRICTION DEVICE X5719 X3960 TO THE STEERING PIVOTS ON ALL X2628 American…

scan0251 From CJ to EP regarding a telephone message from Mr. Royce and the subsequent need to send cables to America.
View original record COPY. To EP from CJ. JS4/D8.11.20. I attach herewith copy of telephone message received from Mr. Royce on Saturday. Would you kindly send the necessary cables to America in accordance with Mr.Royce's…

scan0252 Telephone message from R. to CJ regarding front pivot friction washers and road springs.
View original record COPY. Telephone message from R. to CJ. Taken down by JS. 6th.Nov.1920. Does America understand that we recommend them to fit front pivot friction by washers as tested and demonstrated there by…

scan0253 Points for attention for American post-war cars following a visit.
View original record Wor. from RP. c. Ry. c. Wa. c. Hs. c. Co. EPG/F11.11.20. 11th Nov. 1920. X. 5614. RE AMERICAN VISIT - POINTS FOR ATTENTION. (1) REAR SPRINGS. X.2628. X.3461. X.3900. It has now been agreed by R and CJ…

scan0254 Petrol system issues, spring shackle clearances, and sheet nickel silver for radiators.
View original record Contd. -5- EP6/F11.11.20. In view of our experience with this system, however, also the fact that there was no serious trouble taking place with our present petrol system, I do not think that any…

scan0255 Copy of a cable to Springfield regarding a changeover of springs for certain vehicle types.
View original record X.2628 26/11/20 COPY OF CABLE. TO ROLLS-ROYCE SPRINGFIELD MASS. X.3614 X.2628 FURTHER REFERENCE SPRINGS OUR CABLE 282 CHANGEOVER TO THIN SHOULD BE CARRIED OUT TO ALL SPLIT TYPE AND TO OTHERS IN CASES…

scan0256 Test report on an 11-leaf bumper, detailing Brinell hardness and endurance test results.
View original record X2658 AS BUMPER TEST. F.4631 - 11 leaves with tapered ends - nibs,slots and tie clips. Fitted to O.S. Bump. Chassis 29.10.20. 1000 lbs. No. of leaves. Brinell. Remarks. Time run. 1 388 O.K. * 2 444…

scan0257 Log sheet detailing the results of a bumper test, including component failures and run times.
View original record AJS BUMPER TEST. X2628 23.11.20 New frame fitted complete except 3rd. cross member. Also new steering pad and bell crank levers. Date. | Total hrs. run. | Remarks.…

scan0258 Review of the increasing cost of materials for the 40/50 HP chassis, comparing current costs to pre-war figures.
View original record CJ from Wd. c. to NJ. c. to Wor. c. to Hn. c. to Hy. c. to Ef. c. to Hs. c. to By. c. to Hm. Cost of Materials. On several occasions within the last nine months the current cost of materials employed…

scan0259 The cost and quality of raw materials like copper and spelter, and the future pricing trends.
View original record - 2 - Copper. We purchase electrolytic copper, which on the average costs 17% more than standard. Spelter. We purchase electrolytic zinc at a cost of 72 1/2% over commercial spelter. In partly…

scan0260 Faulty lubrication in the double swivel front link for cantilever springs.
View original record x2628 Hs DEC 10 A.T By [REDACTED] c. to Hs. c. to [REDACTED] EP15/F10.12.20. RE. FAULTY LUBRICATION, RECEIVED DOUBLE SWIVEL FRONT LINK FOR CANTILEVER SPRINGS. In his report on the condition of 3-X…

scan0261 The alteration of back springs and new mandatory testing procedures for cars.
View original record X3981 chassis To Bn. from CJ. To WOR from CJ. Copy to R. BP. Hs. Re Alteration in Back Springs. CJ6/E.17.2.20. It seems to me that the alteration in back springs, which is now recommended, would never…

scan0262 Proposal to revert to tapered-end rear leaf springs from the current bent-end design to improve ride quality and reduce squeaking.
View original record R.R. 235a (100 T) (S.G. 643. 19-2-20) G 2618 X.3981. R7/G5.3.20. To Hs. from R. c. to CJ. c. to Bn. c. to Da. c. to Wor. c. to Wd. c. to By. X.2628.6. RE REAR SPRINGS. X 3981. During Mr. Hives' recent…

scan0263 Modifications to spring plates, friction, and reverting to a previous rear spring design.
View original record Contd. -2- It will be noted that we shall then be reducing the stress in the springs and be obliged to carry more steel unless we adopt some other modification in the springs. Several methods should…

scan0264 Requesting the production of a new style of rear spring with thinned ends and ferodo strips.
View original record X.3981. To Hs. from R. Copy to CJ. " " Bn. " " Da. R10/G14.4.20. X.3981. RE REAR SPRINGS. X.2628. I should be glad if you and Mr. Day will have a set of springs made in the style we want to adopt…

scan0265 Outlining instructions for testing three different designs of road springs.
View original record R R. 235 A (100 T) (S.F 846 6-8-19) G. 2460 X 3981 To Hs. from R. Copy to CJ. " " Bn. " " PN. " " EFC. " " By. X.2628. RE ROAD SPRINGS. X.3981. X.3922. I think it is highly desirable for your to get…

scan0266 Typed memorandum discussing modifications to road springs, including clips and plate ends.
View original record R.R. 235 A (100 T) (S.F 846 6-8-19) G. 2460 X.3981 X.2628 - Road Springs -2- R12/G19.4.20. Contd. We had no knowledge of the use of this nib, and it was not shewn on our drawing. If anything further…

scan0267 Extract listing parts to be fitted to a car for West Wittering.
View original record X.3981. Extract from R4/G19.4.20. X.3923. RE CAR FOR WEST WITTERING. ----------------- I enclose herewith a list of pieces that I understand you will be able to fit to the car I am to have, so that I…

scan0268 Testing of Ferodo material for the bedding of sheared road springs.
View original record X.3981. To Wor. from R. Copy to CJ. " " Hs. X.2628. X.3981. RE ROAD SPRINGS. Thank you for your note Wor3/M26.4.20, I think the bedding between the leaves to be of great improtance. I want Mr. Hives…

scan0269 Query regarding the design and performance of rear springs to prevent squeaking.
View original record Hs. from BY. c. Wd. c/o EFC. X.3981 COPY. BY6/P20.5.20. X.3981 CHASSIS - REAR SPRINGS. X.2628.b Have you got any information in regard to the value of the present type of rear spring as sample two…

scan0270 30-hour bumping rig test of new road springs from Messrs. Woodhead.
View original record X.3981. To R. from Hs. c. to CJ. c. to Bn. c. to Da. c. to E. c. to By. Hs3/LG21.5.20. X.2628b. X.3981. RE - ROAD SPRINGS. X.1331. We have run on the bumping rig a pair of the latest road springs we…

scan0271 Querying the status of supplying non-split type rear springs for a trials car.
View original record HS. / EFC. X.3922 X.3981 COPY. EP/T21/F27.5.20. RE 19-LW. * PN'S TRIALS CAR. X.3981 We have not yet received a reply to our EP21/F21.4.20 in which was given an extract of memo, received from PN,…

scan0272 Specifications for special road springs fitted to car 49-GB, with details for Near Side and Off Side.
View original record X.2631 49-GB Car. X.3981 Special Road Springs fitted to the above car with no nibs and slots - plates ground all over. N.S. Drawing No. F.7801. Piece No. F.7789. Type 2100 lbs. Tested 2050 " Flat…

scan0273 Delay and a list of new parts being fitted to the 6.EX car.
View original record To R. from Hs. c. to CJ. c. to Bn. c. to E. c. to Da. X3981 Hs2/LG28.5.20. X.3923. RE NEW CAR - 6.EX. We have been delayed on 6.EX Car which we are sending to you to replace 1.EX Car, owing to the…

scan0274 Car modifications including a luggage grid and an analysis of rear spring mechanics.
View original record X 3981 To Hs. from R. Copy to CJ. R4/G31.5.20. X. 3923. X. 3507. X. 3981. RE 6 EX. X.2628. I put off going to the Fens with the object of trying this car, principally owing to the strike, so it will…

scan0275 Typed memorandum discussing the use of different materials, such as sheet brass, between plates to prevent seizure.
View original record Contd. -2- R4/G31.5.20. of these leaves over about 4 square inches of surface. If the ferodo does not promise to be successful, I think it would be wise to try the effect of other material, such as…

scan0276 Bumper test log sheet detailing chassis running hours and observed failures on rear springs and shock absorbers.
View original record X.3981 2.6.20 X.1331 BUMPER TEST. X.2628 X.3981 2" Cam. 105 R.P.M. Special rear springs - no nibs. and slots - ground all over. O.S. F.7790. - Loaded lbs. 2160 N.S. F.7789 - " " 2069. | Total hours…

scan0277 The squeaking of chassis rear springs, a proposed design change, and testing of Ferodo inter-leaving material.
View original record Hs. C. wor. R.F.C. COPY. X.3981. BY2/H2.6.20. X.3481 CHASSIS REAR SPRINGS. X.3981 Referring to the question of squeaking of Rear Springs, and the proposed change of design to a wide square end of the…

scan0278 Letter from Ferodo Limited concerning the performance and inspection of spring interleaving material.
View original record COPY. Messrs Ferodo Ltd., Sovereign Mills, Chapel-en-le-Frith, 1st. June 1920. (Tuesday) FJF/DHL. Messrs. Rolls-Royce Ltd., Derby. For the attention of Mr. W.H.Bailey - Technical-Production Engineer.…

scan0279 The production status and delivery of various types of rear springs from supplier Jonas Woodhead & Sons Ltd.
View original record COPY. Wor. from Wd. c. to EY. c. to Da. [Handwritten]: g.F.C. c. to Hs. c. to Ms. [Handwritten]: X 3981 (struck through) [Handwritten]: X.2628 [Handwritten]: X-3981 Wd15/NJ1.6.20. In reply to…

scan0280 Test report on rear road springs detailing issues with cracked leaves after a 36-hour bump rig test.
View original record X.3981 To R. from Hs. c. to CJ. c. to Bn. c. to E. c. to Da. c. to By. X.3981. X.2628. RE ROAD SPRINGS. Hs2/LG3.6.20. We have now completed 36 hours running on the bump rig with a pair of rear springs…

scan0281 The performance of standard and modified springs, including a test of Ferodo strips.
View original record Contd. -2- Hs2/LG3.6.20. although we do not consider they were as bad as the present standard springs in that respect. We have taken the springs apart and examined the bedding and find that they still…

scan0282 Design and urgent procurement of rear springs for Mr. Royce's car from the supplier Woodheads.
View original record X.3981. To EY. From Hs. Hs2/LG10.6.20. X.3981. RE - CHASSIS REAR SPRINGS. X.3923. With reference to the pair of latest rear springs which we have ordered for Mr. Royce's car, we consider that those…

scan0283 Report comparing bumping rig test results for two different designs of rear leaf springs, detailing failures in one type.
View original record R.R. 199 (250T) (SD676 19-7-17) MP180865 X-3981. To R. from Hs. c. to CJ. c. to Bn. c. to E. c. to Da. c. to By. Hs3/LG10. 6. 20. X.3981. RE REAR SPRINGS. X.1331. X.2628. We are at present testing on…

scan0284 Continued page of a document detailing stress on plates.
View original record Contd. x -2- Hs/3/LG10. 6.20. stress on the other plates which break in turn. Hs.

scan0285 The mathematical investigation and stress testing of rear road springs.
View original record To R. from Da. Copy to Bn. Copy to EFC. x 3981 Da2/CB11.6.20. X.2628. REAR ROAD SPRINGS. X.3981. & With reference to Mr. Hives's report - Hs3/LG-10.6.20 and the question of road springs generally, we…

scan0286 Incorrect thickness of chassis rear springs received for Mr. Royce's car and requesting an order for new sets.
View original record X 3981 To By. from Hs. c. to Da. Hs1/LG14.6.20. X.2628b. X.3981. RE - CHASSIS REAR SPRINGS. We have received a set of springs from Messrs. Woodhead's for Mr. Royce's car. Unfortunately, these springs…

scan0287 Correspondence regarding an error in the thickness of special tapered rear springs from supplier Messrs. Woodheads.
View original record X.3981. COPY. Wd. from BY. c. to Hs. c. to Da. 90ce X.3981. BY9/P14.6.20 E F C JUN 15 1920 CHASSIS - REAR SPRINGS. Referring to the three pairs of special Rear Springs which have been tapered off as…

scan0288 Correspondence regarding a misinterpretation of a drawing for thin-ended springs during a 10,000-mile standardisation test.
View original record Contd. -2- BY9/P14.6.20. ----------- 10,000 miles standardisation test, obtaining of course CJ's and R's consent to this procedure. Would you therefore kindly take the matter up with Messrs.…

scan0289 Report following a visit to supplier Jonas Woodhead & Sons Ltd. regarding spring requirements and production.
View original record R.R. 199 (250T) (SD676 19-7-17) MP180865 Wor. from Wd. c. to BY. c. to EP. c. to Da. c. to Hs. c. to Ms. 98.F.e. COPY. EFC JUN 15 1920 Wd8/NJ14.6.20. X.3981 Jonas Woodhead & Sons Ltd., I visited these…

scan0290 Advisability of allowing Woodheads to test repaired and re-built springs.
View original record R.R. 199 (250T) (SD676 19-7-17) MP180865 Contd. -2- Wd8/NJ14.6.20. ------------- changed over get into his hands in addition to the springs for production and repair springs. He suggested that some of…

scan0291 Modification and collection of rear springs for Mr. Royce's car from the supplier Woodheads.
View original record Hs. from By. c. to EFC. X.3981. BY14/P15.6.20. X.3923. CHASSIS & REAR SPRINGS. X.39 81. I have discussed the question of the rear springs for Mr. Royce's car with Wd. and was present while he…

scan0292 Typed memo regarding the thickness specifications for springs at the end of a lever.
View original record Contd. 9 -2- By14/P15.6.20. Wd. impressed upon them the necessity for keeping all of our springs within the .100 thickness at the extreme end of the lever. By.

scan0293 Reporting on the failure of a new design of thick leaf rear springs during bump rig testing.
View original record To R. from Hs. c. to CJ. c. to Bn. c. to E. c. to Da. c.to By. x3981 sent out 21.6.20. Hsl/LG16.6.20. X.3981. RE CHASSIS REAR SPRINGS. X.3923. X.1331. We have been running on the bump rig a pair of…

scan0294 Log sheet detailing failures during a bumper test on the rear of a chassis.
View original record x 3981 (filed 25.6.20) X.1331. BUMPER TEST - REAR OF CHASSIS. X.3981. Special springs ordered by Mr. Bailey. O.S. 2216 lbs. N.S. 2076 " Total hours run on chassis. | Remarks. | Hours run. ---|---|---…

scan0295 Test log for a rear axle on a bumper test, detailing component failures and replacements.
View original record X.3981 (filed 28/6/20) Test 1. X.1331. REAR AXLE ON BUMPER TEST. X.3981. Total hours run on chassis. Remarks. Hours run. 31.5.20. O.S. Spring F.7790. 2200 lbs. N.S. " F.7789. 2100 " Spring Main…

scan0296 Rear axle bumper test results and subsequent Brinell tests on various leaf springs.
View original record REAR AXLE ON BUMPER TEST. Total hours run on chassis. 11.6.20. 14.6.20. Remarks. N.S. spring - 4th. leaf cracked under clip. N.S. bolt F.419 main bearing bracket broken. O.S. spring 2nd. leaf cracked…

scan0297 Continuation of Brinell hardness test results for various spring leaves under different loads.
View original record BRINELL TESTS - CONTD. Spring F.7787. 1900 lbs. Leaves. | Brin: | Remarks. | Hrs. run. 1 | 429/415 | Broken | 2 | 352 | Cracked | 3 | 388 | Cracked | 21 hrs.15 mins. 4 | 388 | Cracked | 5 | 388 | O.K.…

scan0298 The testing of chassis springs without nibs and slots, noting their breakage is not solely related to a low Brinell figure.
View original record X.3981 To By. from Hs. c. to Da. Hs3/LG23.6.20. X.1331. RE CHASSIS SPRINGS. X.3981. Attached herewith is a list of springs which have had no nibs and slots and which have been tested on the Bumper. It…

scan0299 Brinell hardness tests conducted on various chassis springs.
View original record CHASSIS SPRINGS. BRINELL TESTS. Spring F.7789 2000 lbs. Leaves. Brin: Remarks. Hrs. run. 1 388 Cracked 2 375 O.K. 3 363 Broken. 14 hrs. 35 mins. 4 401 O.K. 5 363 Broken 6 415 O.K. Spring Y.363 1990…

scan0300 The Brinell hardness test results for a chassis spring.
View original record CHASSIS SPRINGS. BRINELL TESTS - CONTD. Spring 363 Z. C2. 2216 lbs. Leaves. | Brin: | Remarks. | Hrs. run. 1 | 388 | Cracked 2 | 388 | Broken. 3 | 415/388 | " 4 | 401 | O.K. 5 | 352 | O.K. 6 | 388 |…

scan0301 List of experimental parts fitted to the 6.EX Car in response to a telegram.
View original record x 3981 Extract from Hs6/LG28.6.20. X.3923. RE CAR 6.EX. In reply to your telegram, we have arranged to arrive at West Wittering about 10-30 A.M. on Thrusday. The following is a list of Experimental…

scan0302 Bumper test report detailing failures over time and subsequent Brinell hardness tests on a broken spring.
View original record R.R. 285A (100 T) (S.G. 643. 19-2-20) G. 2618 X.3981. X.1331. BUMPER TEST. X.3981. Sprinm with 12 leaves O.S. F.4666 - 2000 lbs. N.S. F.4665 - 2226 lbs. Date Total Remarks 24.6.20. 25.6.20. 7 hrs. 45…

scan0303 Letter to T. Firth & Sons discussing the removal of 'nib and slot' features and the required finish on road springs.
View original record X.3981 Copy to CJ.) " " Wor.) " " By.) from R. " " Da.) " " En.) " " Wd.) " " Hs.) R4/G2.7.201 2nd. July, 1920. J.W. Fawcett, Esq., c/o Messrs. T. Firth & Sons, Ltd., Norfolk Works, SHEFFIELD. Dear…

scan0304 Design of solid spring eyes, lubrication, and future improvements.
View original record Contd. -2- R4/G2.7.20. As regards the eyes of the long plates, I have come to the conclusion that we cannot adopt anything better for the purpose than the solid eye we are at present using, the reason…

scan0305 Extract detailing feedback on chassis components including springs, steering, body, and floorboards.
View original record x.3981 Extract from R2/G17.7.20. X.3923. RE CHASSIS t.EX. (7) ROAD SPRINGS X.3981. X.1295. X.2628. The springing appeared to be distinctly worse than the split springs on 1.EX and it appears decidedly…

scan0306 Request from Mr. Royce to modify the road springs on chassis 6.EX with Ferodo to fix poor ride quality and lack of damping.
View original record X3981 Extract from E1/G22.7.20. X.1698. RE VISIT OF MESSRS. WORMALD, HIVES, NORTHEY, AND X.3923. COWEN TO WEST WITTERING. 1st. JULY. 1920. ROAD SPRINGS. X3981 Referring to chassis 6.EX Mr. Royce would…

scan0307 Rear bumper test report detailing daily spring failures and Brinell hardness results of the leaves.
View original record X3981 X.1331. REAR BUMPER TEST. X.3981.24.7.20. Springs F.4666 - 2324 lbs. O.S. (N.S. crossed out) Springs F.4665 - 2226 lbs. N.S. (O.S. crossed out) First Table: Date. | Total hrs. run. | Remarks.…

scan0308 Test report detailing the results of a bumper and Brinell test on a spring.
View original record R.R. 235B (50T) (S G. 755, 24-3-20) G. 2650 -2- Contd:- Bumper Test. Spring F.4666 - 2324 lbs. BRINELL TEST. Leaves. Brinell. Remarks. 1 444 O.K. 2 444 O.K. 3 429 O.K. 4 415 O.K. 5 444 O.K. centre 6…

scan0309 Log sheet detailing a bumper test, recording failures and replacements of springs and shock absorbers.
View original record 96.FC x 3981 File BUMPER TEST New Springs fitted O.S. F.363 2212 lbs. X3981 N.S. F.363 2100 lbs. X/1331 O.S. Shock Absorber casing loose, ball race loose - retightened up. N.S. Shock Absorber - fibre…

scan0310 Test report for Spring F.363, detailing results of timed endurance testing on its six leaves.
View original record R.F.C. X.3981 X.3981 X 1331 SPRING F.363 - 2212 lbs. parallel - tapered ends no nibs and slots - ground all over. Fitted on O.S. bump chassis 28.7.20. | No. of leaves 6. | Brinell. | Remarks. | Time…

scan0311 Test report on a spring, detailing its condition and Brinell hardness after a timed run.
View original record R.P.C. x 3981 SPRING F.363 - 2100 lbs. - parallel tapered ends - no nibs and slots - ground all over - fitted (Handwritten and crossed out: X.2981) (Handwritten and crossed out: X.1331) on bump…

scan0312 Springing of a 40/50 chassis, comparing split leaf and solid leaf springs and the effect of tyre pressures.
View original record To R. from Hs. c. to CJ. c. to Bn. c. to E. c. to Da. c. to By. c. to EP. X.3981 Hs6/LG30.7.20. X.2628b. RE SPRINGING OF 40/50 CHASSIS. X.3923. X.1298 X.3981. We should very much like you to try 6.EX…

scan0313 Road testing Dunlop tyres and the effects of pressure on ride comfort and grip.
View original record R.R. 985A (100 T) (S.G. 643. 18-2-20) G. 2618 Contd. -2- Hs6/LG30.7.20. X.4050. We are running on one of our cars some of the straight sided Dunlop tyres. Dunlops have asked us to run them with 80…

scan0314 Comparative strength and performance tests on three types of rear springs.
View original record R.H. 88a (100 T) (S.G. 643. 19-2-20) G. 2618 X.3981 Hs1/LG31.7.20. To R. from Hs. c. to CJ. c. to Bn. c. to E. c. to Dd. c. to By. X.2628b. RE REAR SPRINGS. X.3981. We have carried out comparative…

scan0315 The performance and design of rear leaf springs, comparing pre-war types with current models and materials.
View original record Contd. -2- Hsl/LG31.7.20. regards absence of squeaking from the leaves. The disadvantage in the pre-war springs is increased weight. We do not feel happy with any rear springs which last less than 20…

scan0316 Continued discussion on experimenting with improved rear springs for cars with known faults.
View original record R.R. 88A (100 T) (S.G. 643. 19-2-20) G. 2618 Contd. -3- Hsl/LG31.7.20. position we are at present in which we are fitting rear springs to our cars which we know have faults and hanging on to them with…

scan0317 Test report comparing the durability of pre-war, modified, and standard rear springs on a bumping rig.
View original record R.R. EE5A (100 T) (S.G. 648. 19-2-20) G. 2618 TESTS ON BUMPING RIG - 2" CAMS. SET AT X.1331. 180º - DRUMS REVOLVING AT 105 R.P.M. | | No. | Hours run. | Fracture. | |---|---|---|---| | Pre-war rear…

scan0318 Test results for two six-leaf springs detailing Brinell hardness, run times, and wear patterns.
View original record g.F.c x.3981 SPRING F.363 - 220 lbs. - parallel leaves - tapered ends - no nibs and slots - ground all over. x.1331/ Full Fitted on O.S. Bump Chassis 3.8.20. No. of leaves 6. Brinell. Remarks. Time…

scan0319 Order for road springs for the American branch, highlighting potential delays and design considerations.
View original record X.3981 EWT. from Wd. c. to Wcr. c. to EY. c. to HS. c. to D/BP. c. to MS. 96.F.R. ROAD SPRINGS FOR ROLLS-ROYCE OF AMERICA, INC. X.3981 Wd3/NJ6. 8. 20. In reply to yours EWT18/G5. 8. 20, we are…

scan0320 Test report for a nine-leaf parallel spring, detailing Brinell hardness and damage after a time run.
View original record E.F.C. X 3981 SPRING F.391 - 2324 lbs. - parallel leaves without tie clips, no nibs or slots - ground all over, consisting of nine leaves. X/331 Fitted to Dump Chassis 10.8.20. (O.S.) No. of leaves 9.…

scan0321 Test report for a 9-leaf parallel spring, detailing Brinell hardness and crack analysis after a timed run.
View original record X.3981 R.K. X.3981 X.1331 SPRING F.391 - parallel leaves, without tie clips no nibs and slots, ground all over, consisting of 9 leaves. Fitted to N.S. Bump chassis 10.8.20. (2286 lbs.) No. of leaves…

scan0322 Cause and potential remedies for squeaking springs.
View original record To Hs. from R. Copy to CJ. " " PN. " " Da. " " EFC. " " By. " " EP. " " R.R. of America Inc. (For the attention of OY). X.3981 R5/G3.9.20. X.2628b. X.3483. X.3743. RE SQUEAKING OF SPRINGS. X.3981. As…

scan0323 Continued memo discussing spring lubrication, noise issues, and potential solutions.
View original record Contd. -2- of grease-proof tape, and over this fit the leather stocking lately suggested, or bind the spring neatly with cord, securely fixing the beginning and finishing ends. I shall be glad if you…

scan0324 Testing Ferodo interleaving material on springs and its effect on axle dithering and shock absorbers.
View original record R.R. 235A (100 T) (S. G. 643, 19-2-20) G 2618 X3981 To R. from Hs. c. to CJ. c. to Bn. c. to Da. c. to E. c. to By. c. to PN. Hs1/LG7.9.20. X.3763. X.2628. X.3483. X.3981. 1.EX CAR. X.3461b. We have…

scan0325 Testing methods for leaf type springs, comparing greasing versus interleaving material.
View original record Contd. -2- Hsl/LG/7.9.20. 1. When greased as they come from the Makers. 2. After having run on a car 1000 miles and are squeaking. 3. When fitted with interleaving material. These tests will be…

scan0326 Design of a new type of rear spring, including clips and spring eye types.
View original record R. R. 235a (100 T) (S. G. 643, 19-2-20) G 2618 X.4056 DE/CB30.4.20. To R. from Da. Copy to Bn. Copy to EFC. -------- X.2628b. RE REAR SPRINGS. X.4056. --------…

scan0327 Continued discussion on spring clip design and performance under various loads.
View original record R.R. 235a (100 T) (S. G. 643, 19-2-20) G 2618 Contd. -2- Da/CB30.4.20. springs do not squeak, and they, as a matter of fact, given very good service on 7-CA. With reference to the clip, the present…

scan0328 Analysis of different clip suggestions for spring plates and the reasons for plate breakage.
View original record R.R. 35A (100 T) (S. G. 643, 19-2-20) G 2618 Contd. -3- Da3/CB30.4.20. one, and possibly held as now except that we replace the stud by a bolt. (2) The next suggestion which Mr. Woodhead likes is a…

scan0329 Modifying springs for the 2000th chassis, with reference to Mr. Woodhead's remarks.
View original record R.R. 238a (100 T) (S. G. 643, 19-2-20) G 2618 Contd. -4- Da3/CB30.4.20. It appears that these springs can only come at about the 2000th chassis, but in view of Mr. Woodhead's remarks we think there…

scan0330 Technical note discussing design considerations and proposed modifications for rear road springs.
View original record RR 235 A (100 T) (S.F. 846 6-8-19) G. 2460 X.4056 To R from DA. Copy to EN. Copy to EFC. DA5/CB6-5-20. RECEIVED MAY 1920 X.2628B. X.4056. RE REAR ROAD SPRINGS. With reference to our note -…

scan0331 Modifications to forgings, rear road springs, and front shock absorber anchorages.
View original record X.4056 To Hs, Da, & By. -3a- E1/G18.5.20. Contd. This forging should be got in hand at the earliest possible moment. Further, Mr. Royce wishes Mr. Hives to test a 2½" diameter pipe between the…

scan0332 The production and supply status of various rear springs from supplier Jonas Woodhead & Sons Ltd.
View original record R.R. 284A (100 T) (S.H. 798. 10-12-20) G. 2947 X.4056. Wor. from Wd. c. to BY c. to Da. c. to Hs. c. to Ms. Wd15/NJ1.6.20 X.2628. X.4056. In reply to BY3/PS1.5.20, we are in receipt of the following…

scan0333 Report from Jonas Woodhead & Sons Ltd. on the material position for manufacturing laminated rear springs.
View original record X4056 Not. from Wd: c. to HE. c. to By. c. to HSY c. to Hy. c. to HM. c. to PL. c. to Hs. [crossed out text] Wd13/NJ7.6.20. X4056 Laminated Rear Springs for Chassis. X2628L Jonas Woodhead & Sons Ltd.…

scan0334 Visit to supplier Jonas Woodhead & Sons Ltd. concerning front and rear spring requirements and design.
View original record Wor. from Wd. c. to By c. to EP. c. to Da. c. to Hs. c. to Ms. X.4056 Wd8/NJ14.6.20. X.4056 JONAS WOODHEAD & SONS LTD., X.2628 I visited these people on Friday last, 11th. inst. I had already…

scan0335 Workload for testing and repairing rear springs, proposing a third party handles some of the work.
View original record contd. -2- mentioned that Barwick will have more to do than he can well manage when the number of rear springs which are now being changed over get into his hands in addition to the springs for…

scan0336 Design and experimental production of new rear road springs with thinner leaves.
View original record R.R. 235A (100 T) (S. G. 643. 19-2-20) G. 2618 To BY from DA. Copy to HS (1 print) " " TB (1 print) " " RHC(1 print) " " EFC. X.4056. E C DA4/CB18-6-20. RECEIVED. X.4056 RE REAR ROAD SPRINGS. In…

scan0337 Design and trial of two different types of spring clips.
View original record R.R. 235A (100 T) (S G. 648, 19-2-20) G 2818 X.4036 DA4/CB15-6-20. contd. The question which is not definitely settled is the question of the clips, and we shew on this drawing two types, the one…

scan0338 Upcoming visit from Mr. Alfred Woodhead of Jonas Woodhead & Sons Ltd. to discuss rear and front spring designs.
View original record By.from Wd. c.to Hs. c.to Da. c.to EP c.to OO/Dn. X4056 Wd1/NJ18.6.20. X4056 Jonas Woodhead & Sons Ltd. X2628 We are advised that Mr. Alfred Woodhead will visit us next Monday, 21st inst. about 11…

scan0339 Preliminary report on the investigation of rear road springs, detailing findings on plate thickness, stress points, and leaf breakage.
View original record R.R. 235a (100 T) (S. G. 643. 19-2-20) G 2618 X.4056 To R. from Da. Copy to Bn. Copy to EFC. Da23/CB30.6.20. X.2628. X.4056. RE REAR ROAD SPRINGS. We have not completed our investigations of springs.…

scan0340 Methods for calculating spring plate thickness and ordering new sample sets for comparison.
View original record R.R. 235A (100 T) (S. G. 643, 19-2-20) G 2618 Contd. -2- Da23/CB30.6.20. (5) We find that when we take actual thickness of the plates, the new way of calculating brings the spring to exactly the…

scan0341 Design of rear road springs, comparing pre-war parabolic end types with newer square end designs.
View original record R. R. 235A (100 T) (S.G. 643, 19-2-20) G. 2618 x 4056 To W from DA. Copy to HS. Copy to W.O.R. Copy to EFC. DA6/CB11-8-20. X.4056. RE REAR ROAD SPRINGS. X.2628 b We discussed the question of rear road…

scan0342 Particulars of different leaf spring designs for testing and experimentation.
View original record To HS from DA/EV. Copy to EFC. X.4036 z EFC DA/EV1/CB16-8-20. In accordance with your request we send you herewith particulars of those springs which at the present moment you are bumping on the rig.…

scan0343 Change in specification for chassis front springs, specifically regarding the use of flat plates and square-edge steel.
View original record x4056 Hs NOV 29 1920 To WD from DA. Copy to BY. Copy to HS. DA10/CB27-11-20. CHASSIS FRONT SPRINGS. RECEIVED With reference to your WD6/NJ26-11-20, since the instructions to Messrs Woodhead were given…

scan0344 Side movement and twisting of rear springs on a test chassis.
View original record by. from Mr. c. to Da. c. to Hs. c. to Fy. X.4056 AT & EP7/F16.3.21. X.4056 CHASSIS - REAR SPRINGS - NO NIBS OR SLOTS. Y 2628 l. As pointed out to you this morning, we find that after running the…

scan0345 The addition of clips to pre-war rear road springs with parabolic leaf ends to counteract plate movement.
View original record X.4056 BY. from Da. c. to Hs. Da18/CB16.3.21. X.3950 RE REAR ROAD SPRINGS WITH PARABOLIC LEAF ENDS. X.4056 X.2628B With reference to the rear road springs of the pre-war type, especially those with…

scan0346 Side movement and twisting of rear spring leaves on a chassis.
View original record BY. from EP. c. to Da. c. to Hs. c. to E. X.4056 EP7/F16.3.21. X.4056 CHASSIS - REAR SPRINGS - NO NIBS AND SLOTS. X.2628B 3 As pointed out to you this morning, we find that after running the cars,…

scan0347 Requesting the production of 24 new roller plates for rear springs due to issues with the current parts.
View original record X.4209 To [redacted] from BY/HEB.. BY/HEB3/DW.6/10/20. C. to EFC. X.4209 REAR SPRINGS & FITTINGS - SEC. 7030. - RE ROLLER PLATES FOR SPRINGS. Kindly receive herewith 2 Blueprints of F.8584-Roller…

scan0348 Ordering and fitting different roller plates for rear springs to resolve a chassis knock.
View original record from BY/HEB. C. to EFC. BY/HEB6/H.13.10.20. REAR SPRINGS & FITTINGS. SEC: 7030. RE ROLLER PLATES FOR SPRINGS. With reference to our BY/HEB3/LW.6.10.20. in which we forwarded two blueprints of F.8584.…

scan0349 Suggesting a trial modification to rear axle spring fittings to eliminate a knocking sound.
View original record To BY from DA. Copy to EB (1 print) Copy to WS (1 print) Copy to RHC (1 print) Copy to BPC. X.4209 DA3/CB3-11-20. (1) X.4209 Rear Axle Springs & Fittings. X.2628 With reference to the question of the…

scan0350 Spring shackle clearance and the use of sheet nickel silver for radiators.
View original record X.4209 X.3614. Re Visit to America Contd. -5- Extract EP6/F11.11.20. In view of our experience with this system, however, also the fact that there was no serious trouble taking place with our present…

scan0351 Customer complaints of a knocking sound caused by play in the rear springs.
View original record To R. from Hs. c.c. to CJ. c.c. to BN. C. to F. c.c. to DA. c.c. to DY. c.c. to EF. X4209 Hs5/LG23.11.20. X.4209 WEARING PLATES FOR REAR SPRINGS. On a number of our present chassis we have had…

scan0352 Modification of the wearing plate on 40/50 model rear springs to accommodate thin leaves.
View original record X.4209 To EY from DA. Copy to RB (1 print). Copy to TR (1 print). Copy to WOH (1 print). Copy to EPC. DA6/CB27-11-20. X.4209 Re Rear Springs - 40/50. -------------------- With reference to the…

scan0353 Suggested improved roller plate for rear axle spring supports to fix a knocking issue.
View original record BY. c. to WOR. c. to HS. c. to HR. X.4209 EP25/F30.11.20. X.4209 RE. SUGGESTED IMPROVED ROLLER PLATE FOR REAR AXLE SPRING SUPPORTS. With reference to the trouble experienced with a knock in back axle…

scan0354 Production and standardisation of an improved roller plate for rear axle spring supports.
View original record X4209 Hs F.R. RECEIVED DEC 2 1920 BY. c. to WOR. G. to SMT. C. to Hs. C. to Hx. EP/Thn8/1.12.20. RE. SUGGESTED IMPROVED ROLLER PLATE FOR REAR AXLE SPRING SUPPORTS. Further to our EP25/F30.11.20, Mr…

scan0355 Directive regarding an improved wearing plate for rear springs to address issues with sideways wear on the roller.
View original record P. from BY. c. Mr. Warwick. c. EFC. X.4209 BY7-P9.12.20. X.4209 CHASSIS - REAR SPRINGS & FITTINGS. RE IMPROVED TYPE OF WEARING PLATE WHICH LOCATES SIDEWAYS AS WELL AS TAKING THE WEAR OF THE ROLLER. In…

scan0356 Customer complaints of spring knocking and a suggested improved plate for rear axle spring supports.
View original record Dy. Mr. Worr. Mr. Hs. X.4209 U. EP/Thn6/F9.12.20. X.4209 RE. SUGGESTED IMPROVED PLATE FOR REAR AXLE SPRING SUPPORTS. Further to the above, and memo. EP25/F30.11.20, please note that some of these…

scan0357 Customer complaints of a knocking sound from rear springs and the solution of fitting wearing plates.
View original record TO H. from Hs/TMW. c. CJ. Bn. E. Da. By. Er. Wor. X.4209 Hs/TMW4/LG9.12.20. X.4209.- WEARING PLATES FOR REAR SPRINGS. We are receiving several complaints from customers of a knock occurring on our…

scan0358 Cover letter for a standardisation sheet regarding bearing plates for rear springs.
View original record X.4209 To Bn. from Hs/AT. Hy. Da. SP. PL. ENT. for R.R. Inc. Hs/AT11.12.28. X.4209.-BEARING PLATES FOR REAR SPRINGS. Herewith please receive standardisation sheet for the above. Will you kindly remark…

scan0359 Standardisation sheet for wearing plates for rear springs, requesting costs be entered urgently.
View original record x4209 To B/Rd. EFC/AT11.12.20. X.4209.-WEARING PLATES FOR REAR SPRINGS. Herewith please receive standardisation sheet for the above. Will you kindly have costs entered thereon at your earliest…

scan0360 Modifications to the wearing plate on the rear spring.
View original record R.R. 235A (100 T) (S. G. 643, 12-2-20) G 2618 X.4209. BY3-P13.12.20. Mrs Tweddell from BY. X.4209 RE WEARING PLATE ON REAR SPRING. Referring to the standardisation sheet and Mr Warwick's report…

scan0361 Modifications to the wearing plate on the rear spring.
View original record RE WEARING PLATE ON REAR SPRING. (A) Owing to the change from the split type of plate to the solid type of plate, the wearing surface has been considerably reduced between the spring and the roller.…

scan0362 Standardisation sheet for a wearing plate on a rear spring.
View original record z X.4209 To Bn. Da. ENT. for R.R. Inc. AT15.12.20. X.4209.-RE WEARING PLATE ON REAR SPRING. Re standardisation sheet for the above recently sent through for signatures, will you kindly attach the…

scan0363 Requesting review and signature for a standardisation sheet on rear springs and wearing plates.
View original record X.4209 To F. from Hs/AT. CJ. BJ. Hs/AT17.12.20. X.4209.-REAR SPRINGS - WEARING PLATES. Herewith please receive standardisation sheet for the above. Will you kindly remark upon, sign and return at your…

scan0364 Producing experimental parts for an improved roller plate on thin leaf type rear road springs for the 40/50 chassis.
View original record X-4209 To Mr. Coverley. C. to EFC. C. to Mr. BY/HEB11/DW.17/12/20. EXPERIMENTAL X.4209. 40/50 CHASSIS. REAR ROAD SPRINGS - SEC. 7030. IMPROVED ROLLER PLATE SUITABLE FOR THIN LEAF TYPE SPRINGS.…

scan0365 Internal query about the testing, fitting, and historical performance of rear spring wearing plates.
View original record Hs. from BJ. BJ2/H21.12.20. X4209 X.4209 - Rear springs - Wearing Plates. Can you please inform me:- 1. Whether these wearing plates have received a test equal to 10,000 miles? 2. Whether chassis in…

scan0366 Use and modification of wearing plates on rear leaf springs.
View original record To B.J. from Hs/TMW. X.4209 (crossed out) 8.F.C. Hs/TMW2/LG22.12.20. X.4209 REAR SPRINGS - WEARING PLATES. We beg to reply to the three points mentioned in your BJ2/H21.12.20. 1. Wearing Plates have…

scan0367 Chasing a signature for a standardisation sheet concerning modified wearing plates for rear springs.
View original record X.4209 To R. from Hs/AT. " CJ. Hs/ATl/S7.1.2D. X.4209. MODIFIED WEARING PLATES FOR REAR SPRINGS. The standardisation sheet for the above experiment was sent to you for your signature Dec. 17th but has…

scan0368 Serious customer complaints about a knocking noise from the rear axle rollers and the proposed solution of fitting wearing plates.
View original record X.4209 F.R. By. from EP. C. to HS. C. to F. C. to HS. X.4209 EP8/F1.3.21. RE. KNOCK ON CAR DUE TO SPRINGS ON REAR/AXLE ROLLERS. In view of the serious complaints of the aboved which we are receiving…

scan0369 Knock on cars caused by rear springs on axle rollers and the consideration of fitting wearing plates.
View original record By. from EP. c. to Hs. c. to E. c. to Hr. X.4209 A.T. EP18/F2.3.21. X4209 RE. KNOCK ON CAR DUE TO REAR SPRINGS ON AXLE ROLLERS. -------- Further to our EP8/F1.3.21 re the above, we learn that these…

scan0370 The re-use of wider wearing plates for rear springs and the urgent need for a standardisation sheet.
View original record R.R. 255b (100 T) (S.H. 89. 22-7-20) G. 2769 Hs. from BY. C. RR. [crossed out] X.1209 RECEIVED 8 MAR 1921 Hs BY REAR SPRINGS AND FITTINGS. RE USE OF WEARING PLATES WIDER THAN THE SPRINGS TO PREVENT…

scan0371 Approval process for the standardisation sheet for wear plates for rear springs.
View original record X4209 To BY. from Hs. c. to EP. Hs4/LG7.3.21. X.4209 - WEAR PLATES FOR REAR SPRINGS. We consider the standardisation sheet for the wearing plates is complete. We have not got CJ's signature yet, but…

scan0372 Standardisation of rear spring wearing plates to overcome knocking between the spring and roller.
View original record R R E 755 (5 H) (S.H. 187, 20-8-20) G. 2807. COMPLETED 7 5.21 STANDARDISATION of CHASSIS PARTS. Top Right Box: Date: X20 11.12.20. No. 4209. Drawing No. F.8614/40. Part No. F.8564 F8922 List.…

scan0373 Routing note regarding a document sent for reference, returned by mistake, and subsequently filed.
View original record X.4209. Sent to cg. for permanent reference. Returned in mistake File cg in USA 1 L g d ✓ es

scan0374 Standardisation of wearing plates fitted between the rear springs and rollers to overcome knocking.
View original record R R 755 (5 H) (S.H. 187, 20-8-20) G. 2807. COMPLETED 2.3.21 STANDARDISATION of CHASSIS PARTS Date 11.12.20. Description of Parts. Rear Springs - Wearing plates fitted between spring and roller.…

scan0375 Inter-office correspondence regarding the material change for wearing plates on rear springs.
View original record R.R.A.-25-5m.-9-27-20 40233 X4209 INTER-OFFICE CORRESPONDENCE ROLLS-ROYCE OF AMERICA, INC. SPRINGFIELD, MASS. Oy5 - G 20421 April 20, 1921 To: Mr. Hives X4209 From: Mr. Olley Re: Wearing Plates on…

scan0376 Policy for fitting wearing plates to rear springs on 'O' series cars.
View original record X4209 Hs AT MAY 20 RECEIVED By C. to HB c. to Hs. EP/Thn11/F20.5.21. X4209 RE. KNOCKING OF REAR SPRINGS ON AXLE ROLLERS. AND FITTING OF WEARING PLATES. We attach hereto a copy of letter sent by R.R.…

scan0377 Letter from the American branch to London regarding customer complaints about noises from rear springs.
View original record COPY. SRN4/W2143. May 3rd. 1921. Mr. Claude Johnson, Managing Director, Rolls-Royce Ltd., London, ENGLAND. Dear Sir: Re. COMPLAINTS. We are receiving a large number of complaints from customers…

scan0378 Customer complaint letter regarding a 1921 vehicle and its various faults.
View original record G. M. Heckscher. 50 East 42nd. St. New York City. To:- Mr. E.W.Caswell, Rolls-Royce Co., Harris Ave., Long Island City. April 30, 1921. Rolls-Royce Agency, Brewster & Co., Long Island City, N.Y.…

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