Rolls-Royce Archives
| Identifier | Entry | ||
| scan0001 | Springing chart for 40/50 HP cars to determine spring poundage based on total vehicle weight. | ||
| View original record | X9410 INSTRUCTIONS FIRST OBTAIN THE TOTAL WEIGHT OF THE CAR WITH MAXIMUM LOAD AS PER INSTRUCTIONS BELOW. THIS IS TO INCLUDE CHASSIS, BODY, SPARES & ACCESSORIES & THE MAXIMUM NUMBER OF PASSENGERS FOR… | ||
| scan0002 | Blueprints, poundages, and quantities for front and rear springs to be ordered. | ||
| View original record | Y9410 Wd. c. Mr Hooton. c. Hs. BY3-P23.7.23. E.A.C. FRONT AND REAR SPRINGS. I am handing you herewith blueprints F.70305 and F.70323, giving full details of the front and rear springs. It is, of… | ||
| scan0003 | Directive to increase the poundage of front springs by 100 lbs on all chassis. | ||
| View original record | Hs. C. Mr. Booth x 94" BY/C12/H. 12. 10. 23. EAC.III. FRONT SPRINGS. x 94ll In DaB/M. 10. 10. 23. we are informed that Mr.Royce considers it desirable to use stiffer front road springs when front… | ||
| scan0004 | Steering and front spring breakages and proposed design changes to resolve them. | ||
| View original record | X9410 To R. from DA. c. to CJ. HS. RG. S E C R E T. DAL/M16.1.24. E. A. C. X.9770 X.9410 X.9420 X.9430 Referring to R2/M16.1.24., I am sorry that we did not realise that you were expecting us to send… | ||
| scan0005 | Potential causes and solutions for front road spring breakages. | ||
| View original record | X9410 To DA. from R. c. to CJ. BJ. HS. c. to BY. H1. RE. FRONT ROAD SPRINGS. X.2628 X.9410 I understand that our breakage on the bump is similar in character and position to that we get on the road,… | ||
| scan0006 | Continued page of a document asking about the relative merits of balloon tyres and larger wheels. | ||
| View original record | contd:- -2- also if Balloon, or semi balloon tyres are better? - if larger wheels are worse ? One would expect 'yes' to both. R. | ||
| scan0007 | Advantages of a slow speed ratchet driven servo for vehicle braking systems. | ||
| View original record | X9440 From R. from CJ. c. to Hs. RG. E. DA. EJ. PN. Wor. BY. EP. La Villa Mimosa, Le Canadel, Par le Lavandou, Var, France. X. 9940 E. 9410 27.1.24. Dear CJ., Although there is some hope in the metal… | ||
| scan0008 | Page two of a typed memo from F.H. Royce regarding modifications to the 40/50 model's springs, buffers, and servo brakes. | ||
| View original record | contd :- -2- than other people) than the suggestions I have already made of a 25% increase in stiffness and an increase in the thick- ness of the rubber buffers. In future 40/50 we are length- ening… | ||
| scan0009 | Outlining modifications and an investigation concerning front springs on various EAC models. | ||
| View original record | X. 9410 S E C R E T. R2/M19.2.24. To DA. from R. c. to CJ. R. RG. c. to Wor. HS. BY. RE. FRONT SPRINGS ON VARIOUS EAC's. X. 9410 I understand all front springs are to be - (1) 45" long - i.e.… | ||
| scan0010 | Secret memo from D.A. explaining a delay in dispatching design prints due to reprioritizing work from project EAC.4 to the servo on EAC.3. | ||
| View original record | To R. from DA. c. to CJ. Wor. RG. Hs. BY. S E C R E T. X9410 DAL/M19.2.24. E. A. C. X.9770 X.9410 Referring to your remarks re prints from my department in a memo. on front springs, we sent away at… | ||
| scan0011 | Proposed 25% increase in front spring stiffness. | ||
| View original record | x9410 To HS. from R. c. to CJ. Wor. RG. E. DA. PN. BY. S E C R E T. R3/M6.3.24. E. A. C. 25% STIFFER FRONT SPRINGS. X. 9410 I suggested the 25% increase in the stiffness of the front springs as the… | ||
| scan0012 | Frame failure during a bumping test, caused by a new bracket controlling the front spring. | ||
| View original record | DA. c. Hs. c. Rg. X410 BY9-P11.3.24. FRONT BRAKES. REAR BRACKET CARRYING REAR END OF FRONT SPRING. Hs. will be reporting today or tomorrow upon the fact that with the new bracket controlling the front… | ||
| scan0013 | Technical memorandum discussing a weak point in a frame after bumping tests and proposing a design for a stiffener. | ||
| View original record | 49410 To HS. and BY FROM DA. SECRET. DA1/M13.3.24. EAC.111. X.9410 X.9380 X.1331 FRAME WITH SPRINGS ANCHORED AT REAR. With reference to Mr. Hives' report of the result of bumping, and the section of… | ||
| scan0014 | Suggested reinforcement for the frame at the front spring anchorage to prevent buckling failure. | ||
| View original record | X9410 To BY. from DA. c. to CJ. RG. HS. S E C R E T. DA2/M18.3.24. E. A. C. 3. REAR ANCHORAGE OF FRONT SPRINGS. X.9410 X.9430 We send herewith N.sch.1775. shewing a suggested reinforcement for the… | ||
| scan0015 | Secret memo discussing steering stress issues when hitting an obstruction and potential improvements. | ||
| View original record | To HS. E. RG. DA. } FROM R. S E C R E T. x9410 R2/M16.4.24. c. to. CJ. Wor. BY. E.A.Cs. STEERING. X.9430 X.9410 I have set out a 36" wheel with a 2" obstruction and find that it touches the wheel 8"… | ||
| scan0016 | From GWH to Mr. Hives regarding unsatisfactory gaiters fitted to new type front springs. | ||
| View original record | X.9410 To Mr. Hives from GWH. hs/GWH24.4.24. EAC.111. RE. GAITERS FITTED TO NEW TYPE FRONT SPRINGS. These are entirely unsatisfactory both on the springs and at the rear. The springs are fitted with… | ||
| scan0017 | Secret memo recommending a special note be added to drawings for the bracket for the rear end of the front springs. | ||
| View original record | X9410 To BY. from Hs. c. to BY/HEB. SECRET. Hs9/LG12.5.24. EAC.111. BRACKET FOR REAR END OF FRONT SPRINGS. We recommend that a special note is put on the drawing that the bolts holding this bracket to… | ||
| scan0018 | Spring deflection and pivot inclination during front wheel braking. | ||
| View original record | x9410 To Hs; from DA. S E C R E T. DA1/M20.5.24. E. A. C. X.9410 X.8410 X.9940 With reference to your report re. the deflection of the springs under front wheel braking it would be interesting to know… | ||
| scan0019 | On the decision to braze rather than solder front spring brackets for four-wheel brakes due to cracking found during testing. | ||
| View original record | To BY. from Hs. c. to Wor. L9410 Hs6/LG3.7.24. FOUR WHEEL BRAKES. We notice that the brackets for the rear end of the front springs are soldered and rivetted. On the cars running 10,000 miles in… | ||
| scan0020 | The decision to dip-braze the anchor bracket for the rear end of the front spring. | ||
| View original record | X9410 Mr. Booth. Ws. Hs. Sft. BY10/H. 4. 7. 24. E.A.C.III. ANCHOR BRACKET FOR REAR END OF FRONT SPRING. It has been decided in conformity with the views of the Experimental Dept. on this unit that… | ||
| scan0021 | Post Office telegram confirming springs have been fitted to a car, which is awaiting testing. | ||
| View original record | To: HINES ROYCAR DERBY. Message: SPRINGS FITTED O K CAR NOT TESTED YET. From: HANCOCK. Sent From: GERRARDS CROSS. Office Stamp: DERBY 9 JUL 24. Office No: 0051. | ||
| scan0022 | Secret memorandum discussing criticism of stiff rear springs and proposing improvements for car suspension. | ||
| View original record | X.9410 To CJ. from R. c. to BJ. RG. Wor. HS. DA. E. BY. PN. H. LP. C. S E C R E T. R1/M12.7.24. E. A. C. 11. RE. 46-PK. X.9410 Y8410 This car was criticised here on 11.7.24. by E. DA and R. in the… | ||
| scan0023 | Vehicle performance, noting issues with the rear suspension and suggestions for damping. | ||
| View original record | -2- contd :- There was cause for complaint but 90% of it was due to the rear. I cannot suggest any better stiffness for the front springs which I think will be found extremely good. We may however… | ||
| scan0024 | Arrangements for testing two different sets of front springs on cars 98-NK and 107-MG. | ||
| View original record | x9710 To B.J. from Hs. Hsl/LG17.7.24. With regard to the tests on Springs. We are sending Mr. Lidsey (one of the chief Experimental Testers) to London to assist in carrying out the tests on springs.… | ||
| scan0025 | The second page of a typed document discussing a convincing test for Sales Officials. | ||
| View original record | contd:- -2- Sales Officials, it might prove the most convincing test of all. Hs. | ||
| scan0026 | Telephone message discussing car suspension issues, specifically internal friction in different types of springs. | ||
| View original record | X9410 Telephone message received from Miss Elias for "R" 1.25 p.m. 17.7.24 Wer Hs. D/Sn12/OG17.7.24 Consider bad impression chiefly due to internal friction on springs. If car still unsatisfactory… | ||
| scan0027 | Springing tests conducted on car EAC.111. | ||
| View original record | E.R. 496a (20H) (D.A. 652 20-2-24) J.H.D. 4990 EXPERIMENTAL REPORT. Expl. No. 9410 9411 REF:Hs2/LG17.7.24. To R. from Hs. c. to BJ. c. to DA. c. to E. c. to BY. SECRET. SPRINGING TESTS ON EAC.111. We… | ||
| scan0028 | Tests on modified front springs and braking for car model 107-MG. | ||
| View original record | -2- EXPERIMENTAL REPORT. Expl. No. 9910/11 REF: Hs2/LG17.7.24. The springs are the same rating as those at present fitted to 107-MG. We have obtained these by taking two plates out of the 25% stronger… | ||
| scan0029 | Comparing the internal friction and damping of road springs from manufacturers Firths and Woodheads. | ||
| View original record | To R. from Hs. c. to BJ. c. to DA. c. to E. c. to BY. X9410 Hs5/LG18.7.24. FRICTION IN ROAD SPRINGS. X. 2628 X. 4429 X. 9410 The question of internal friction of road springs was taken up at the time… | ||
| scan0030 | Confirmation of a telegram discussing spring stiffness and braking performance. | ||
| View original record | CONFIRMATION OF TELEGRAM. HIVES. ROYCAR. DERBY. and JOHNSON. ROLHEAD. PICCY. LONDON. STILL CONSIDER IT IS NOT THE TWENTYFIVE PERCENT INCREASED STIFFNESS WHICH IS THE CHIEF CAUSE OF COMPLAINT BUT… | ||
| scan0031 | Relaying messages from 'R' (Royce) regarding issues with car spring friction and stiffness. | ||
| View original record | Wor. To Hs. from BJ. BJ10/H18.7.24. X9410 E. A. C. We received yesterday the following telephone message from R:- "Consider bad impression chiefly due to internal friction on springs. If car still… | ||
| scan0032 | Telegram from Basil Johnson regarding a vehicle trial and a price reduction. | ||
| View original record | RR 144A (50BKS.) (SK 871 23-5-23) MP 272631 X9410 ROLLS-ROYCE LTD. TELEGRAM RECEIVED BY TELEPHONE. X2628 Time Received: 4 21 Date: 18-4-24 To: Derby By: MB from: London 3-38 Lives hope you will be… | ||
| scan0033 | Telegram discussing a complaint regarding increased stiffness and internal friction in vehicle springs. | ||
| View original record | POST OFFICE TELEGRAPHS. (26618) EM7777 40,000M. 2/23 R.&Co.Ltd. E.1495. Reference Number: 49410 Stamp: 0255 Prefix: S Handed in at: 1237 M. Chichester T Words: 80 Received here at: 1 37 M. Hives… | ||
| scan0034 | Telegram discussing a stiffness reduction and its effect on braking proportions. | ||
| View original record | If it is Reduce to 12 per cent which extra stiffness is required for other than brake reasons since 40 per cent of the braking on front proportionate braking to spring would only Reduce total braking… | ||
| scan0035 | Secret memorandum discussing issues and potential improvements for the car's springing and suspension system. | ||
| View original record | X.9410 To BJ. from R. c. to CJ. Wor. Rg. BY. DA. E. HS. S E C R E T. R1/M19.7.24. E. A. C. RE. R-R SPRINGING. X.9410. The beauty and success of the RR. springing was due to the following :- The front… | ||
| scan0036 | Alterations to the front springing, braking servo, and axle design for specific car models. | ||
| View original record | To Hs BY. from R. c. to CJ & BJ. f9410 SECRET. E.A.C.3. R2/M24.7.24. X.9421.X.9940 X.9410 X.9420 Regarding the springing of these cars it will be noticed that no change is proposed to the rear of the… | ||
| scan0037 | The supply, fitting, and testing of 12 1/2% weaker front springs on various cars. | ||
| View original record | X9710 BJ. - from Hs. c. to R. Hs6/HC25.7.24. E.A.C.3 - 12 1/2% Weaker Front Springs. The spring-makers have promised to deliver the first set of springs today. A further two sets of springs are… | ||
| scan0038 | Delivering a car for holidays and returning another test car for examination. | ||
| View original record | 49410 W/S. C.W.B. - from Hs. Hs7/HC25.7.24. With reference to the car for your holidays, we are proposing to deliver the car - which we have prepared for PN. - to Sales. Before it leaves, it will be… | ||
| scan0039 | Testing of two cars with 12.5% weaker front springs for different body types. | ||
| View original record | To Hs. from BJ. BJ7/H28.7.24. X9910 E.A.C.III: 12.5% Weaker Front Springs. In reply to your Hs6/HC25.7.24, we shall be glad to hear as soon as possible when you expect to send us the two cars fitted… | ||
| scan0040 | Confirming a satisfactory arrangement for 12 1/2% weaker front springs. | ||
| View original record | 49410 To Hs. from BJ. BJ12/H30.7.24. F.A.C.III - 12 1/2% Weaker Front Springs. Hs1/W29.7.24. The arrangement you suggest in your memorandum will be quite satisfactory to us. B.J. | ||
| scan0041 | On the comparative road testing of a Derby cabriolet and a London demonstrating car, focusing on ride harshness and suspension adjustments. | ||
| View original record | To Hs. from BJ. Copies to CJ. R. [Handwritten] 49410 BJ1/HZ.8.24. On Friday morning at Gerrards Cross over the usual course we tried the Derby cabriolet with front wheel brakes, together with our… | ||
| scan0042 | Vibration issues by fitting stronger front brake springs and a heavy axle to a demonstration landaulet. | ||
| View original record | To Hs. from BJ. Copy to Wor. X9410 FRONT WHEEL BRAKE SPRINGS. BJ5/H7.8.24. (Dict: 6th/) I wrote to R. as attached. During the holidays, Comdr. Briggs called on Mr. Royce informally, and in course of… | ||
| scan0043 | Typed memo detailing a road test comparison between a cabriolet with front-wheel brakes and a standard landaulet. | ||
| View original record | Copy HS. To H. from BJ. Copy to OJ. Bk. Chassis No. 48-PK. Confirming my telephone message this morning, Hs. sent to Gerrards Cross 40/50 h.p. cabriolet No. 48-PK, fitted with front wheel brakes and… | ||
| scan0044 | Phone message confirmation regarding car suspension spring stiffness and ride comfort. | ||
| View original record | CONFIRM' OF 'PHONE MESSAGE. (9410 To BJ. FROM R. c. to CJ. HS. PN. X.9410 X.2628 R1/M7.8.24. OFFICE OPENED TODAY. SAW BRIGGS TUESDAY. CONSIDER COMPARISON INFLUENCED BY DIFFERENT BODIES, BOTH WEIGHT… | ||
| scan0045 | Works order for the despatch of two front road springs via passenger train to St. Pancras station. | ||
| View original record | R.R. 615B (50T Sets.) (SE 592 13-3-18) MP 190185 WKS. ORDER No. Hs. X9410 CHASSIS No. Customer's No. Customer: Messrs. Rolls-Royce Ltd. Derby Owner's Name Customer's Order No. Ha/TNV1/LCS.8.8.24 Date:… | ||
| scan0046 | Instructing the Stores to dispatch two front road springs via passenger train to a mechanic at St. Pancras Station. | ||
| View original record | X9410 To BP. from Hs/TMW. c. to Mr. Chatwin - Stores. Hs/TMW1/LG8 8.24. We are sending into the Stores - 2 Front Road Springs. Will you please instruct the Stores to despatch these to St. Pancras… | ||
| scan0047 | Swapping the axle and springs between a Cabriolet and a London Trials Landaulet to accommodate front-wheel brakes. | ||
| View original record | To B.J. from Hs. ROAD SPRINGS ON CARS FITTED WITH FRONT WHEEL BRAKES. Referring to our conversation on the telephone with you today. We are sending two men to Cricklewood in order to change the axle… | ||
| scan0048 | The urgent testing of a cabriolet car's front springs and brakes, comparing performance against other models. | ||
| View original record | HS To CJ. from BJ. Copies to By. HS. X9418 BJ1/28.8.24. Just before and since the August Bank Holiday, London officials have been urgently testing the cabriolet car which Derby sent here, fitted with… | ||
| scan0049 | Telegram cancelling a previous memo and giving new instructions for a front axle trial. | ||
| View original record | ROYCAR DERBY = = HIVE'S CANCEL MY MEMO CWB 6/ LH 8 8 24 RE RETURNING NINETY EIGHT N K TOMORROW STOP PRESENT ARRANGEMENT USE THIS FRONT AXLE FOR TRIALS LANDAULET CRICKLEWOOD ADVISED = = COMMANDER… | ||
| scan0050 | Telegram discussing the harshness of new pack springs and requesting mileage information for car 98 NK. | ||
| View original record | POST OFFICE TELEGRAPHS No. of Telegram: 3 Office Stamp: DERBY 9 AU 24 Handwritten: Office of Origin: Gerards Cross (2) Rolls Royce Handed in at: 840 M. Sent: 9.36 M. To: 1320 B: DRY Reference: X9410… | ||
| scan0051 | Copy of a telegram discussing uncomfortable springing on open cars and proposed tests. | ||
| View original record | X9440 Copy of Telegram received 9. 8. 24. by BY. -------------------- TESTS ON OPEN CARS INDICATE SPRINGING OF 98-NK CAR WITH FRONT BRAKES UNCOMFORTABLY HARSH STOP POSSIBLY DUE TO NEW BACK SPRINGS AND… | ||
| scan0052 | Telegram regarding car suspension and brake testing, including a suggestion from Mr. Royce. | ||
| View original record | ROLL'S ROYCE DERBY = TESTS ON OPEN CARS INDICATE SPRINGING OF 98 NK CAR WITH FRONT BRAKES UNCOMFORTABLY HARSH STOP POSSIBLY DUE TO NEW BACK SPRINGS AND NIP SUGGESTED BY MR ROYCE STOP SHOULD LIKE TO… | ||
| scan0053 | Confirmation of a telegram regarding testing of uncomfortably harsh springing and brakes on an open car. | ||
| View original record | XG410 To Hs. from BJ. BJ3/H11.8.24. CONFIRMATION OF TELEGRAM SENT TO W. BY B.J. ON SATURDAY MORNING, AUG. 9th. Tests on open cars indicate springing of 98 N K car with front brakes uncomfortably harsh… | ||
| scan0054 | Trial of a demonstration landaulet and issues with its front wheel spring fitment. | ||
| View original record | To Hs. from BJ. X9410 BJ2/H11.8.24. I tried the London demonstration landaulet with front wheel springs this morning, and wired you accordingly. We hope that LHS., C. H. and Sg. will try the car… | ||
| scan0055 | Testing and implementation of stronger front springs for four-wheel brake cars. | ||
| View original record | x9410 To [strikethrough]By.[/strikethrough] from BJ. Copies to [strikethrough]Wor.[/strikethrough] Hs. Re FRONT SPRINGS ON FOUR WHEEL BRAKE CARS. With reference to your memorandum EY14/H7.8.24, you… | ||
| scan0056 | The results of tests on front wheel brakes and spring configurations on a demonstration landaulet. | ||
| View original record | X9910 To Hs. from BJ. Copies to H. OJ. By. CORRECTED COPY OF BJ9/H11.8.24. Please use this instead of former BJ9/H11.8.24.) Re Closed Cars TESTS OF FRONT WHEEL BRAKES. On Monday, the 11th August, BJ… | ||
| scan0057 | Results of tests on front wheel brakes and suspension for a demonstration landaulet. | ||
| View original record | 79410 To Hs. from BJ. Copies to:- H. OJ. By. BJ9/H11.8.24. TESTS OF FRONT WHEEL BRAKES. On Monday, the 11th August, BJ. tried the London demonstration landaulet fitted with front wheel brakes, heavy… | ||
| scan0058 | The results of tests on front wheel brakes and spring configurations on various cars. | ||
| View original record | To Hs. from BJ. Copies to R. CJ. By. X9910 BJS/H11.8.24. TESTS OF FRONT WHEEL BRAKES. On the afternoon of the 1st August, (the Friday before Bank Holiday), W. sent to London an open touring car,… | ||
| scan0059 | Testing of car springs and front brakes, including a wire detailing issues with harsh stopping. | ||
| View original record | To Hs. from BJ. BJ8/H11.8.24 (Cont'd.) -2- car, 107-MG, which has well worn back springs, and this is being arranged. The Works car, 98-NK, on Friday night was sent to W., where the front wheel brake… | ||
| scan0060 | Secret internal memorandum discussing the performance of road springs on cars with four-wheel brakes. | ||
| View original record | [Handwritten: 49410] To B.J. from Hs. c. to R. c. to EY. S E C R E T Hs2/LG11.8.24. ROAD SPRINGS ON CARS FITTED WITH FOUR WHEEL BRAKES. [Handwritten: 49410 49940] With reference to the telegram… | ||
| scan0061 | Tests on front wheel brake parts and springs for the 4-wheel brake cars. | ||
| View original record | contd:- -2- front wheel brake parts and springs. The tests which are going forward on the London Trials Landaulet and which can, if necessary, be repeated on 107-MG, should prove this point. The… | ||
| scan0062 | Telegram reporting on the performance of a demonstration landaulet with a modified heavy front axle and stronger springs. | ||
| View original record | RR 144A (50BKS.) (SK 871 23-5-23) MP 272631 ROLLS-ROYCE LTD. 49410 TELEGRAM RECEIVED BY TELEPHONE. Time Received: 1-42 Date: 11-6-24 To: Roycar Derby By: W&A from: London 1-0 STAMP: F.D 11 ... 1924… | ||
| scan0063 | Telegram received by telephone regarding modifications to a bonnet and a whistle. | ||
| View original record | RR 144A (50BKS.) (SK 871 23-5-23) MP 272631 ROLLS-ROYCE LTD. TELEGRAM RECEIVED BY TELEPHONE. Time Received Date To By from 2 FROM me other officials trying it today I will then wire leather bonnet… | ||
| scan0064 | Telegram received by telephone concerning the fitting of unconnected front wheel brakes to a demonstration car. | ||
| View original record | RR 144A (50BKS.) (SK 871 23-5-23) MP 272631 ROLLS-ROYCE LTD. TELEGRAM RECEIVED BY TELEPHONE. Time Received Date To By from 3 remaining till we hear whether front wheel brakes can be fitted unconnected… | ||
| scan0065 | Telegram concerning the fitting of a front brake axle and springs to car 107-MG. | ||
| View original record | X9410 12.8.24. TELEGRAM TO BJ. RR. PICCY LONDON. NO REASON WHY FRONT BRAKE AXLE AND SPRINGS CANNOT BE FITTED TO 107-MG WHEN TESTS ARE COMPLETED ON TRIALS LANDAULET STOP INSTRUCT MADDOCKS. ROYCAR.… | ||
| scan0066 | Fixing of a front brake axle and springs on an open trials car. | ||
| View original record | X. 9410 12. 8. 24. MADDOCKS, SILBAGOST, CRICKLE-WOOD, LONDON. SALES SUGGEST FIXING FRONT BRAKE AXLE AND SPRINGS ON TO OPEN TRIALS CAR FRONT SPRINGS ON 98-NK ARE SUITABLE FOR 107-MG SPECIAL BUSHES WILL… | ||
| scan0067 | Attaching a copy of a reply to a request. | ||
| View original record | X. 9410 To Wor/Miss. Meadows from Hs/LG. Hs/LG12.8.24. As requested, we attach copy of our reply to BJ1/H7.8.24. Hs/LG. | ||
| scan0068 | Telegram from Basil Johnson to Hives regarding a car's performance and suggested modifications. | ||
| View original record | HIVES ROYCAR DERBY = = I FIND OPEN CAR NOW AS PREVIOUSLY NOT AS GOOD AS 107 V G BUT PASSABLE MOST DESIRABLE TO DO EVERYTHING POSSIBLE TO DISCOVER ACTUAL CAUSE OF EXTRA DISCOMFORT A HARSHNESS THEREFORE… | ||
| scan0069 | Front wheel brake tests, spring ordering, and results from a spring endurance test. | ||
| View original record | To OJ. from BL. Copies to R. Hs. By. X9410 BJ2/H12.8.24. FRONT WHEEL BRAKE TESTS. As mentioned on the telephone this morning, Derby are anxious to have the landaulet in London to-morrow evening, if… | ||
| scan0070 | Performance and testing of road springs on cars fitted with four-wheel brakes. | ||
| View original record | X9410 To Hs. from BJ. Copies to R. By. OJ. ROAD SPRINGS ON CARS FITTED WITH FOUR WHEEL BRAKES. With reference to Hs2/LG11.8.24, I telegraphed you to-day as follows:- "I find open car now as previously… | ||
| scan0071 | Testing of front brakes, springs, and axles on a demonstration landaulet and chassis 107-MG. | ||
| View original record | To Hs. from BJ. BJ1/H12.8.24 (Cont'd.) -2- near perfection as possible, namely, 107-MG, and for that reason we suggested in our telegram of the 9th that front brakes, springs strong front springs and… | ||
| scan0072 | Testing of front wheel brake springs on a trials landaulet. | ||
| View original record | To CJ. Hs. Re TESTING FRONT WHEEL BRAKES SPRINGS ON TRIALS LANDAULET. subject:- Below is a copy of memorandum from H. on this subject:- H5/C11.8.24. C., Sg. and I have this afternoon been out on the… | ||
| scan0073 | Production status and testing of front springs for four-wheel brake systems. | ||
| View original record | X9410 BJ. c. Wor. c. Hs. BY21/H. 12. 8. 24. -------------------------- FRONT SPRINGS - FOUR WHEEL BRAKES. ----------------------------------- Referring to BJ16/H. 11. 8. 24. the position in regard to… | ||
| scan0074 | Adoption of a 12.5% stronger spring, its performance compared to the standard 40/50 model, and the impact on vehicle delivery. | ||
| View original record | - 2 - BY21/H. 12. 8. 24. ----------------- Reverting to the 12½% stronger springs, it appears from the information conveyed in the various memos from Sales in this connection that the 12½% stronger… | ||
| scan0075 | Short internal memo from B.J. to Hs chasing a reply regarding R.R. Springing. | ||
| View original record | X9410 To Hs. from BJ. BJ1/H13.8.24. SECRET. E.A.C. R.R. SPRINGING. Can you now please let me have a reply to BJ7/H22.7.24, copy attached? B.J. [Watermark: DICKINSON BOND] | ||
| scan0076 | Secret memo questioning an unauthorized change to the stiffness and friction of rear springs. | ||
| View original record | COPY. SECRET. To Hs. from BJ. BJ7/H22.7.24. E.A.C. R.R. SPRINGING. With reference to R1/M19.7.24, concerning E.A.C. springing, paragraph 5 reads as follows:- "In the car which created the bad… | ||
| scan0077 | The fitting and testing of new brakes and springs on an open demonstration car. | ||
| View original record | X9410 To [REDACTED]. from BJ. c. to Hs. BJ1/D14.8.24. Maddocks has just informed me that he expects 107-MG (our Open Demonstration Car) to be fitted with front wheel brakes and 12% stronger springs… | ||
| scan0078 | Stiffness and examination of rear springs on the EAC.11 speed model car. | ||
| View original record | To B.J. from Hs. SECRET. Hs2/LG14. 8.24. X9410 R.R. SPRINGING. X9410 X2628 (struck through) With reference to BJ1/H13.8.24 regarding R's memo. RL/M19.7.24. We agree that the car which first created… | ||
| scan0079 | From CJ to R. regarding the trial of a Landaulet fitted with a heavy axle and specific springs, agreeing to proceed with manufacture. | ||
| View original record | Handwritten top left: Hs Handwritten top centre: By noted, Please return, HE Handwritten top right: X9410, By CJ1/D14.8.24., 15-8-24 To Mr. from CJ. c. to Mr. c. to Mrs. c. to Hs. My dear R.,… | ||
| scan0080 | Stiffness of front springs in relation to body weight and 4-wheel brakes. | ||
| View original record | X9410 To Hs. from R. c. to CJ. c. to BJ. c. to PN. S E C R E T. HL/M14.8.24 . E.A.C. RE FRONT SPRINGS & 4-WHEEL BRAKES. X9410 X9940 It has occurred to me that the 25% stiffer front springs may only be… | ||
| scan0081 | Secret memo regarding a correction to the stiffness percentage of front springs for 4-wheel brakes. | ||
| View original record | X9410 To Hs. from BJ. BJ17/H15.8.24. SECRET. E.A.C. FRONT SPRINGS AND 4-WHEEL BRAKES. With reference to R1/M14.8.24, we presume that the first line should mention 12 1/2% and not 25% stiffer springs,… | ||
| scan0082 | Serious accident in France with a 35-PK open touring car during tests on stiffer front springs. | ||
| View original record | R.R. 498A (20H) (D.A. 652 20-3-24) J.H.D. X9410 Expl. No. 9410 9941 REF Hs1/LG18.8.24. EXPERIMENTAL REPORT. TESTS IN FRANCE WITH 12½% STIFFER FRONT SPRINGS. To R. from Hs. c. to CJ. RG. c. to DA. E.… | ||
| scan0083 | High-speed accident, issues with 4-wheel brakes, and ongoing component tests. | ||
| View original record | R.R. 403A (20H) (D.A. 652 20-2-24) J.H.D. -2- Expl. No. 9410 9941 REF: Hs1/LG18. 8. 24. EXPERIMENTAL REPORT. steering when travelling at a high speed, there was no time to release the brakes before… | ||
| scan0084 | Accident involving car 35-PK in Vignoux-sur-Barangeon, France. | ||
| View original record | COPY OF MR. SHEPARD'S REPORT ON ACCIDENT TO 35-PK AT VIGNOUX-SUR-BARANGEON, CHER, FRANCE ON AUG. 13TH, 1924. While driving 35-PK car on the afternoon run on August 13th. I was proceeding from Vierzon… | ||
| scan0085 | Bringing an EAC.11 car for testing, detailing modifications made, and reporting on progress of a new EAC.111 chassis. | ||
| View original record | To R. from Hs. c. to CJ. c. to Wor. 9410 Hs8/LC19.8.24. x9770 x8770 x9410 x8250 E.A.C.11! and 111. We propose bringing an EAC.11 car to WW. next week. If convenient to you we shall arrive on Wednesday… | ||
| scan0086 | Cover note for a report on the torsion of deflection of standard front road springs. | ||
| View original record | X9410 To R. from Hs. c. to CJ. RG. c. to E. DA. c. to BY. Hs7/LG19.8.24. X9410 X2628 We attach herewith a report showing the torsion of deflection of front road springs - std. type, 12½% and 25%. Hs. | ||
| scan0087 | Torsion and oscillation tests conducted on front road springs. | ||
| View original record | R.R. 493A (20H) (D.A. 652 20-3-24) J.R.D. EXPERIMENTAL REPORT. 9410 Expl. No. 2628 REF Hs/ACL/LG19.8.24. TORSION AND OSCILLATION TESTS ON FRONT ROAD SPRINGS. Springs of different rating were tested to… | ||
| scan0088 | Test report detailing the specifications of different front road springs used for torsional deflection tests. | ||
| View original record | -2- TORSIONAL DEFLECTION OF FRONT ROAD SPRINGS. SPRINGS USED FOR THESE TESTS :- No. of spring. | Std. 40/50. | No.3 | No.4. Piece No. | F.4634 | F.71244 | F.71568 Type. | 1150 | 1150 | 1150 Length. |… | ||
| scan0089 | Data table showing pull and torque values for different degrees of spring twist. | ||
| View original record | -3- Spring No. Twist of spg. in degrees. | Pull 'p' lbs. | Torque applied. lbs.ins. | Pull 'p' lbs. | Torque applied. lbs.ins. | Pull 'p' lbs. | Torque applied. lbs.ins. .33 | 137 | 2192 | 144 | 2304… | ||
| scan0090 | Graph showing the twist (angular deflection) of different front springs under braking torque. | ||
| View original record | FRONT BRAKES TWIST OF FRONT SPRINGS UNDER BRAKING TORQUE. Y-Axis: ANGULAR DEFLECTION OF SPRING Values: 6.00, 5.67, 5.33, 5.00, 4.67, 4.33, 4.00, 3.67, 3.33, 3.00, 2.67, 2.33, 2.00, 1.67, 1.33, 1.00,… | ||
| scan0091 | Tests conducted in France on 12½% springs for a 40/50 HP Landaulet. | ||
| View original record | To R. from Hs. c. to CJ. BJ. c. to RG. Wor. c. to E. DA. c. to BY. X9410 Hs3/LG23. 8.24. TESTS IN FRANCE ON 12½% SPRINGS. X9410 X.9941 These springs are being tested on chassis 9-PK. (40/50 HP.… | ||
| scan0092 | Testing of Woodhead and Firths springs for cars destined for France. | ||
| View original record | contd:- -2- Woodhead springs. The 12 1/2% springs which we are at present testing are the first complete Firths springs we have had. These springs were rushed through just before the holidays in order… | ||
| scan0093 | Confirming a conversation about meeting arrangements, spring testing results, and planning for hot weather car trials. | ||
| View original record | X9410 BJ2/DN25.8.24. TO Hs Hs3/LG22.8.24. FROM BJ X9410 X766 Confirming our conversation on the telephone this morning :- (1) We understand you and Rg will be back in Derby on Friday. If this day is… | ||
| scan0094 | Production of stronger front springs for the 40/50 HP chassis fitted with four-wheel brakes. | ||
| View original record | Y9410 G. Wor. C. Hs. BY4/H. 27. 8. 24. ---------------- RE FRONT SPRINGS ON 40/50 HP. CHASSIS TO BE FITTED WITH FOUR WHEEL BRAKES. -------------------------------------- Although the springs in France… | ||
| scan0095 | Design and improvement of road springs. | ||
| View original record | V9410 SECRET. R2/M29.8.24. To RG. HS. from R. c. to CJ. BJ. DA. E. BY. EP. RE. VISIT OF RG. & HS. TO WW. ON 27TH. & 28 TH. INST. X. 9410 ROAD SPRINGS. Firths attempt to avoid Woodhead patent is really… | ||
| scan0096 | Responding to a previous communication regarding departmental responsibility for the failure of Woodhead springs. | ||
| View original record | To Wor. from Hs. S E C R E T Hs2/LG1.9.24. X9410 (handwritten) X.180 X.2628 X.9410 With reference to your Worl/M1.9.24. Surely some explanation should be given showing in what manner the Experimental… | ||
| scan0097 | Continued memo strongly resenting an inference about the Experimental Department's capability. | ||
| View original record | contd :- -2- it will divide the responsibility, reduce the efficiency and crush the enthusiasm. We strongly resent the inference that the Expl: Dept: are not capable of knowing whether a part is made… | ||
| scan0098 | Hand-drawn sketch and notes specifying minimum clearances for the sheath over front springs. | ||
| View original record | Hs. X9410 E.A.C. III Re Sheath over Front Springs. Kindly note Minimum clearance is .100. Minimum clearance above key .100. APB 1/9/24 | ||
| scan0099 | Letter from a supplier regarding spring failures during road trials and the subsequent manufacturing of parts. | ||
| View original record | COPY. Messrs. Thos. Firth & Sons, Limited, Norfolk Works, SHEFFIELD. BAF/JSR. 30th. August, 1924. Messrs. Rolls-Royce, Limited, Nightingale Road, DERBY. Dear Sirs, Referring to the visit on Friday of… | ||
| scan0100 | Letter from Jonas Woodhead & Sons confirming specifications for front springs on a 40/50 HP chassis. | ||
| View original record | COPY. Messrs. Jonas Woodhead & Sons, Ltd., Kirkstall Road, LEEDS. 4955/THS/THS. 30th. August, 1924. Messrs. Rolls-Royce Ltd., Nightingale Road, DERBY. Dear Sirs, FRONT SPRINGS - 40/50 HP. CHASSIS.… | ||
| scan0101 | Meeting with Firths of Sheffield regarding a failure of front axle springs and the potential to source them from Woodheads instead. | ||
| View original record | CJ. from H. C. to BJ. C. to Wor. C. to Hy. C. to Hs. C. to Eg. X9410 Wd5/U1.9.24. E.A.C.111 Front Axle. Following the conference last Friday morning, I visited Firths, Sheffield, and informed them… | ||
| scan0102 | Negotiations with suppliers over the manufacture of front springs. | ||
| View original record | Wd5/U1.9.24. E.A.C. 111 Front Axle. -2- I think it is not improbable that Mr. Bernard Firth may call upon you in London. From Firths I proceeded to Woodheads, where I am sorry to say I faced a much… | ||
| scan0103 | Discussion about a proposed 12-month agreement for the supply of clips and clip plates for front axle springs. | ||
| View original record | Wd5/U1.9.24. -3- E.A.C. 111 Front Axle. That for a term of 12 months starting at any convenient date, they (Woodheads) to supply the clips and clip plate for all axle springs made by Firths for us and… | ||
| scan0104 | Conference about an accident and the subsequent sourcing and testing of car springs from different suppliers. | ||
| View original record | X9410 HS To R. from CJ. Copy to BJ., Wor., Rg., Hs., BY., Wd. re Springs. CJ10/E1/9/24 At Derby on Friday morning we had a conference at which BJ and I met Wor., Rg., Hs., BY. and Wd. The telegram… | ||
| scan0105 | Two front springs arriving from France be sent to the Experimental Department. | ||
| View original record | X9410 To BP. from Hs. Hs2/LG2.9.24. We are expecting to receive from France - 2 Front springs. Will you please instruct for these to be sent over to the Expl: Dept: as soon as they arrive. Hs. | ||
| scan0106 | Query to the Paris office about the average life of front springs on the standard 40/50 HP car. | ||
| View original record | To Ps. Paris from Hs. +9410 Hs3/LG4.9.24. RE: ROAD SPRINGS. Could you please give us any idea of the average life of front springs on the standard 40/50 HP. car which is driven fast in France? We only… | ||
| scan0107 | Issues with experimental cars, specifically regarding non-standard springs used in trials. | ||
| View original record | To Wer. from CJ. c. to R. BY. Hs. Wd. Re Experimental Cars. Referring to my memo. CJ1/E1/9/24, re experimental cars, the precaution proposed therein had nothing at all to do with delays. It was to… | ||
| scan0108 | Testing of stiffer springs to prevent top plate failures on cars with front wheel brakes. | ||
| View original record | To Wor. from CJ. CJ3/E4/9/24 - 2 - a certain number of springs of 12½% (or whatever weight may be decided upon) fitted with the Woodhead clip so that we may try them on two cars in parallel in France… | ||
| scan0109 | The design and testing of front road springs. | ||
| View original record | X. 9410 To BY. from R. c. to CJ. BJ. PN. DA. HS. S E C R E T. R1/M5.9.24. EAC.111. FRONT ROAD SPRINGS. X.9410. I consider tests in France should proceed with the old thickness of top leaf, .3125 as we… | ||
| scan0110 | Refuting claims of wasted time and money regarding tests on car springing and 4-wheel brakes. | ||
| View original record | R.R. 493A (40 H) (SL 42 12-7-28). J.H., D. X9410 EXPERIMENTAL REPORT. Expl. No. 9410 REF: Hs2/LG5.9.24. 9770 9680 S E C R E T. EXPERIMENTAL CARS. To CJ. from Hs. c. to R. Wor. BY. We cannot allow the… | ||
| scan0111 | Car spring specifications, comparing stronger springs for speed models against flexible springs for comfort. | ||
| View original record | -2- EXPERIMENTAL REPORT. Expl. No. REF:Hs2/LGS 9.24 had the Experimental Dept. not had it, it would, we presume, have gone to a customer. The 10% stronger springs were, in our opinion, the best… | ||
| scan0112 | Road spring failures during tests in France on 4-wheel brake cars. | ||
| View original record | R.R. 493A (40 H) (SL 42 12-7-23). J.H., D. X9410 9410 Expl. No. 2628 REF: Hs1/LG5.9.24 EXPERIMENTAL REPORT. To R. from Hs. c. to CJ. BJ. c. to RG. E. c. to DA. BY. c. to Wor. S E C R E T. ROAD… | ||
| scan0113 | Road spring failures and life testing. | ||
| View original record | R.R. 493 A (40 H) (SL 42 12-7-23). J.H., D. -2- 9410 Expl. No. 2628 REF. Hsl/LG5. 9.24. EXPERIMENTAL REPORT. one pair ran 10,200. During that time the top leaf on one spring broke after 6,900 miles -… | ||
| scan0114 | Stock and supply issues of front axle springs from different manufacturers. | ||
| View original record | c.c.from Wd. c.c.to D.J. c.to Wor. c.to Py. c.to H.S. c.to F.R. X9410 Wd6/WJS.8.9.24. EAC.111 - Front Axle. I confirm mine Wd1/US.9.24. Today we have ascertained the number of 43¼" front springs in… | ||
| scan0115 | Outlining two alternative suppliers, Woodheads or Firths, for front springs to avoid a production halt on the 40/50 HP chassis. | ||
| View original record | - 2 - Wd6/WJ8.9.24. springs determines Firths to approach Woodheads with a view to an arrangement under which Firths would be allowed to fit Woodhead's clip, the negotiations will occupy some little… | ||
| scan0116 | Telegram received by telephone requesting the weights of two front springs for an E.A.C. car. | ||
| View original record | RR 144A (50BKS.) (SK 871 23-5-23) MP 272631 ROLLS-ROYCE LTD. TELEGRAM RECEIVED BY TELEPHONE. Handwritten Reference: X9410 Stamp: F.D Stamp: RECEIVED SEP 9 1924 Reference: X9410 / X9930 Time Received:… | ||
| scan0117 | Design and performance of front springs for experimental cars in France. | ||
| View original record | To BY. from R. To HS. c. to CJ. BJ. Wor. PN. EP. H. X9410 (crossed out) SECRET. RL/M9.9.24. EAC.11. X. 8410 X. 9410 X. 9941. RE. FRONT SPRINGS FOR EXPERIMENTAL CARS IN FRANCE. You will remember that… | ||
| scan0118 | Improvements and considerations for the vehicle's spring and suspension system. | ||
| View original record | contd :- -2- I do not know why we require 4 clips per spring but I think they can do no harm. To lessen the stress on the bump and generally make the spring safer I suggest we increase the thickness… | ||
| scan0119 | Meeting with Firths about defective springs and placing an order for replacements. | ||
| View original record | CJ from Wd. [Strikethrough] c.to Bj. c.to Wor. c.to By. c.to Hs. c.to Rg. [Strikethrough] X9410 Wd2/WJ10.9.24. EAC.111 - Front Axle. I duly received yours CJ2/E9.9.24. Mr.Mark Firth and Mr.Stansfield… | ||
| scan0120 | Bump testing Woodheads 12.5% road springs, detailing failure rates and comparisons. | ||
| View original record | R.R. 493A (40 H) (SL 42 12-7-23). J.H., D. EXPERIMENTAL REPORT. Expl. No. REF: Hs4/LG11.9.24. Handwritten notes: x9410, Y4429 To R. from Hs. c. to CJ. BJ. c. to RG. E. c. to DA. BY. c. to Wor. ROAD… | ||
| scan0121 | Communicating the content of two telegrams regarding specifications for front axle springs. | ||
| View original record | CJ. from Wd. c. to Wcr. c. to HS. c. to By/G. c. to Re. X9410 Wd16/NJ11.9.24. EAC.111 - Front Axle. X9410 At 4.20 p.m. today I received from Chichester two telegrams, as follows:- 1st telegram:-… | ||
| scan0122 | Faults in springs made by Firths and recommending new spring specifications. | ||
| View original record | y9410 To BY. & HS. from R. c. to CJ. BJ. PN. Commander Briggs. ? SECRET. E. A. C. 11 & 111. R1/M11.9.24. X. 8410 X. 9410 X. 2628 Springs as made by Firths ought to break because not only is :- (1)… | ||
| scan0123 | Further experiments on road springs, focusing on side load deflection and its impact on spring life. | ||
| View original record | X.9410 To HS. from DA. S E C R E T. DA2/M12.9.24. E. A. C. RE. ROAD SPRINGS. X.9410 You sent us some particulars a little while ago of tests of loading the spring from the side, shewing that the… | ||
| scan0124 | Standardization and testing of new, stiffer car springs. | ||
| View original record | Hs /9410 To B. from C.J. C.c. to Hor. [strikethrough]Rg.[/strikethrough] [strikethrough]Hs.[/strikethrough] [strikethrough]BY.[/strikethrough] [strikethrough]BJ.[/strikethrough] Re Springs.… | ||
| scan0125 | From CJ to R concerning a supplier's (Firth's) financial inability to produce sample springs. | ||
| View original record | CJ5/E12/9/24 - 2 - To R. from CJ. when you have finished with them, should return directly to Derby. I have to go to Liverpool to-morrow. In any case I am quite in accord with your proposals and I… | ||
| scan0126 | Schedule of spring tests comparing different types based on road and bump test failure rates. | ||
| View original record | Schedule. For enclosure with CJ3/E12/9/24. SPRING TESTS. Type of Spring. | Road Tests. | Miles run before failure. | Bump Test. Hours run before failure ---|---|---|--- Standard 40/50 HP | Paris… | ||
| scan0127 | Compromise on front spring design, stiffness, and testing. | ||
| View original record | X9410 To CJ. from R. c. to BJ. BY. HS. EP. DA. PN. S E C R E T. R1/M13.9.24. E. A. C. FRONT SPRINGS. X.9410 X.2628. I have compromised between Sales, BY's and our views in the following way :- So far… | ||
| scan0128 | Investigation into the effect of stress range and plate thickness on the durability of road springs. | ||
| View original record | X. 9410 To BY. & HS. from DA. S E C R E T. DA2/M/5.9.24. E. A. C. RE. ROAD SPRINGS. X. 9410. We suggest that it would be useful information to investigate the effect of range of stress in the spring… | ||
| scan0129 | Specifications, dimensions, and stress tolerances for front springs. | ||
| View original record | 49410 Da / C. Hs. BY18/H. 16.9.24. FRONT SPRINGS. Referring to Da2/M. 15.9.24. the permissible range or tolerance referred to in your last paragraph as shown on our drawing is .285 to .300, this being… | ||
| scan0130 | Clarifying the use of temporary front springs on 'U' series 40/50 HP chassis and outlining required alterations. | ||
| View original record | X9410 EP1/H17.9.24. c. Sg. c. Dn. c. D. BP c. Wor. c. HY. c. Wd. c. Hs. re. FRONT SPRINGS FOR "U" SERIES CHASSIS - 40/50 HP. In order to avoid the possibility of misunderstanding, we want to make it… | ||
| scan0131 | New layout for front springs with negative camber and thicker rubber buffers. | ||
| View original record | X.9410 To BY. from DA. c. to CJ. HS. S E C R E T. DA1/M17.9.24. E.A.C.111. FRONT SPRINGS. X.9410 We send herewith N.sch.1845 shewing the layout of the new 12 1/2% front springs with negative camber.… | ||
| scan0132 | Secret memo regarding a conference on the importance of getting cars with six brakes ready for the Olympia Exhibition. | ||
| View original record | X9410 SECRET. Wor9/M18/9/24. To-[strikethrough]BJ[/strikethrough]- from Wor. " " Hs. - " " At a conference held on Tuesday, 16th inst. at which were present R, CJ, BJ and myself, it was pointed out by… | ||
| scan0133 | Instruction to order 12.5% stronger front springs with .285' top plates and Woodhead clips. | ||
| View original record | [Redacted] - from Wor. [Redacted] " " " Hs. - " " X9410 Wor10/M18/9/24. At a conference held on Tuesday, the 16th inst., at which were present R, CJ, BJ and myself, CJ. stated, and it was agreed, that… | ||
| scan0134 | Urgent requirement for various road springs for experimental and 'Olympia' trials cars. | ||
| View original record | X9410 To Wd. from Hs. Hs7/LG19.9.24. ROAD SPRINGS FOR EXPERIMENTAL CARS. X9410 X2628 The springs we require are as follows :- 2 pairs are urgently required for experimental cars which it is proposed… | ||
| scan0135 | Bump tests conducted on road springs, detailing fractures. | ||
| View original record | R.R. 403A (40 H) (SL 42 12-7-23). J.H., D. EXPERIMENTAL REPORT. Expl. No. 2628 REF: He1/L/990/9.31. Handwritten notes: x9410, x3854, x9410, x1331 To R. from Hs. c.c. to CJ. BJ. c.c. to RG. E. c.c. to… | ||
| scan0136 | Comparing the hardness and life of Woodhead and Firth spring leaves. | ||
| View original record | R.R. 403A (40 H) (SL 42 12-7-23). J.H., D. -2- Expl. No. REF: Hsl/1620.9.24. EXPERIMENTAL REPORT. It will be seen that on the average the Woodhead has a lower brinnel. Comparison of hardness of top… | ||
| scan0137 | Analysis of the chemical composition and operational life of six Woodhead front springs under various loads. | ||
| View original record | -3- Analysis of 6 Woodhead Front Springs. ANALYSIS OF TOP LEAF. No.of spring. | Load lbs. | Life. hrs.mins. | Thickness of Top Leaf. | Brin-ell. | Carbon. | Mangan-ese. | Chromium. | Silicon. |… | ||
| scan0138 | Outlining the preparation of car 98-NK for a 10,000-mile test in France, pending the arrival of correct springs. | ||
| View original record | X9410 To BJ. from Hs. c. to PN. Hs2/LG23.9.24. 98-NK CAR. X9941 (crossed out) X9410 This car has been prepared for a 10,000 miles test in France. As soon as the correct springs are available (these… | ||
| scan0139 | Collection of springs for chassis 18-NK from Cricklewood. | ||
| View original record | W/N. +9410 To A. from Hs. Hs6/LG26.9.24. RE. CHASSIS 18-NK. +2628 +9410 Referring to your A12/H25.9.24. We will collect the springs from Cricklewood at the first convenient opportunity. Hs. | ||
| scan0140 | Tests on Firths 12t springs and brakes, with a summary on induction and oil pipe breakages. | ||
| View original record | X9410 EXPERIMENTAL REPORT. COPIES TO: R.CJ B.J W.OR By. E. Da. E.P. PN OY. RG Expl. No. 9940/1 9410 9899 REF. Hs1/LG26.9.24. OBJECT OF TEST. X4429 TESTER. Tests on Firths 12t Springs and Brakes etc.… | ||
| scan0141 | The results of a 10,000-mile test on vehicle 9-PK, focusing on fuel consumption, brake performance, and the exhaust system. | ||
| View original record | R.E. 493A (20H) (D.A. 652 20-3-24) J.H.D. EXPERIMENTAL REPORT. Expl. No. REF: Hs/AJL/LG26.9.24. SUMMARY OF 10,000 MILES TEST ON 9-PK. July 30th. 1924 to Aug. 29th. 1924. Miles run. 10,221. Running… | ||
| scan0142 | The performance of the exhaust, steering, and engine systems. | ||
| View original record | R.R. 496A (20H) (D.A. 652 20-3-24) J.B.D. EXPERIMENTAL REPORT. Expl. No. REFHS/AJL/LG26.9.24. The C. and A. washer in the centre joint of the exhaust manifold has burnt out twice, causing bad exhaust… | ||
| scan0143 | Various mechanical failures including oil and induction pipes, piston knock, and suspension issues. | ||
| View original record | R.R. 498A (20H) (D.A. 652 20-3-24) J.H.D. -3- EXPERIMENTAL REPORT. Expl. No. REF: Hs/AIL/LG26.9.24. When a thicker oil is used. Extra oil pipe broke at the bend behind the carburetter. This is the… | ||
| scan0144 | Six specific matters requiring modification. | ||
| View original record | R.R. 498A (20H) (D.A. 652 20-3-24) J.H.D. -4- EXPERIMENTAL REPORT. Expl. No. REF: Hs/AJL/LG26.9.24. MATTERS REQUIRING MODIFICATION. 1. Petrol tank suspension. 2. Extra oil pipe requires stiffening up… | ||
| scan0145 | Urgent need for clips, sheaths, and gaiters to test new Woodhead springs for a Press Demonstration car. | ||
| View original record | X9410 To BY. from Hs. (text is struck through) c. to Wor. (text is struck through) c. to RHC. Hs2/LG29.9.24. ROAD SPRINGS. X9410 X3854 We have received some of the latest 12 1/2% thin leaf Woodhead… | ||
| scan0146 | Secret memo suggesting two alternative solutions for exhaust joints that are burning out during tests. | ||
| View original record | X.9230 To Hs. & BY. from E. c. to CJ. S E C R E T. E2/M29.9.24. E.A.C.111. EXHAUST JOINTS. X.9230. With regard to the exhaust joints burning out during the test of EAC.3. we suggest that you can… | ||
| scan0147 | Secret memo regarding the testing of latest type springs and demonstration of 4-wheel brakes on car 48-PK. | ||
| View original record | To BJ. from Hs. c. to Sg. S E C R E T. [Handwritten top]: X9410 [Top right]: Hs1/LG30.9.24. [Below 'to/from' section]: BJ28/H29.9.24. [Handwritten annotation]: X9410 --------- X9680 [crossed out]… | ||
| scan0148 | Telegram from Basil Johnson regarding the fitting of 'twelve per cent' springs and the fear of a negative press impression. | ||
| View original record | RR 144A (50BKS.) (SK 571 23-5-23) MP 272631 ROLLS-ROYCE LTD. TELEGRAM RECEIVED BY TELEPHONE. Time Received 12-50 Date 1.10-24 To By E.J from [STAMP] F.D 1 OCT 1924 RECEIVED can nothing be done to fit… | ||
| scan0149 | Telegram received by telephone regarding the fitting of stronger springs for a demonstration. | ||
| View original record | RR 144A (50BKS.) (SK 871 23-5-23) MP 272631 49410 ROLLS-ROYCE LTD. TELEGRAM RECEIVED BY TELEPHONE. X674 K9410 Time Received 12.50 Date 1-10-24 To Roycar Derby By E J from London 10.52 Hives Mr Northey… | ||
| scan0150 | Urgent need to commence a 10,000-mile spring test in France, pending Mr. Royce's approval. | ||
| View original record | X9410 URGENT. -> To Hs. from BJ. Copies to... By. E. BJ6/Hl.10.24. SECRET. TESTING SPRINGS IN FRANCE. With reference to Hsl/LG30.9.24, as every hour is of importance to get the final 10,000 miles test… | ||
| scan0151 | Secret memo regarding arrangements for testing new car springs in France. | ||
| View original record | To BJ. from Hs. To BY -- E (crossed out) X9410 S E C R E T. Hs1/LG2.10.24. TESTING SPRINGS IN FRANCE. Referring to BJ6/H1.10.24. No time is being lost on pushing forward tests with the latest 12 1/2%… | ||
| scan0152 | Testing, approval, and standardization of car springs for specific vehicle models. | ||
| View original record | contd :- -2- S E C R E T. approval of the springs as soon as possible. The car is 48-PK - the Cabriolet which you have already tested and approved of with the recently condemned 12-1/2% springs. We… | ||
| scan0153 | Coachwork repairs, modifications, and delivery arrangements for car 48-PK. | ||
| View original record | X9410 To PN. from Hs. Hs3/LG2.10.24. 48-PK CAR. X9410 X9770 We are taking this car to WW. tomorrow to get the springs approved. We shall bring the car from WW. to London tomorrow night and will leave… | ||
| scan0154 | Secret and urgent memo discussing spring strength testing for cars intended for touring in France. | ||
| View original record | Typed Text: To CJ. from BJ. BJ1/H3.10.24. SECRET. TESTING SPRINGS IN FRANCE. Hsl/LG2.10.24. With reference to 'A', this car was tested here, I believe, only for brakes, and no mention was made of… | ||
| scan0155 | Standardisation of 40/50 HP road springs and fittings. | ||
| View original record | To B.J. from Hs. X9410 Hs5/LG6.10.24. +2628 40/50 HP. ROAD SPRINGS. X9410 It would appear from your BJl/H3.10.24. that you had over-looked the fact that a definite standardisation for the 2590 springs… | ||
| scan0156 | Criticisms on the springing of a cabriolet, attributing roughness at low speeds to its front and rear springs. | ||
| View original record | To Hs. from R. c. to CJ. BY. DA. E. X9410 R3/M6.10.24. CRITICISMS ON THE SPRINGING OF THE CABRIOLET BROUGHT TO WW+ BY X.9410 HS. ON 3.10.24. X.2628 If there is any complaint about the springing of… | ||
| scan0157 | Standardization and stiffness of front springs for the 40/50 HP chassis. | ||
| View original record | X9410 To BY. from Hs. Hs9/LG6.10.24. 40/50 HP. CHASSIS - FRONT SPRINGS. X2628 X9410 With reference to your BY1/H3.10.24. We suggest that a copy of this memo. is sent to Sales Dept. R's first… | ||
| scan0158 | Querying the correct buffer clearance specification for different spring types. | ||
| View original record | To DA. from Hs. c. to EY. X9410 Hs7/LG6.10.24: BUFFER CLEARANCE. X2628 X9410 When I was at WW. I was under the impression that the same buffers were used for the 20% and the 12½% springs. According to… | ||
| scan0159 | Secret memo regarding the testing of different stiffness car springs in France. | ||
| View original record | x9410 To R. from Hs. c. to CJ. BJ. c. to E. DA. c. to BY. Wor. S E C R E T. Hs4/LG6.10.24. x9941 x9410 x2628 TESTING SPRINGS IN FRANCE. BY. E. and DA. have approved of the Woodhead latest springs.… | ||
| scan0160 | Seeking instructions on the type of springs to be fitted to two cars undergoing testing in France. | ||
| View original record | contd :- -2- The Expl: Dept: would like definite instructions in connection with the following points :- (1) Is the car (9-PK) which is commencing the 10,000 miles test in France to run with Woodhead… | ||
| scan0161 | Internal memorandum discussing the design and modification of thinleaf type front springs. | ||
| View original record | To BY. from R. c. to CJ. HS. c. to DA. E. 19410 R2/M6.10.24. RE. FRONT SPRINGS. THINLEAF TYPE. X.2628 X.9410. With regard to the sample front spring (Woohead) brought here by Hs. last Friday, and… | ||
| scan0162 | Harshness of 25% stiffer road springs fitted to the 40/50 HP model to suit front wheel brakes. | ||
| View original record | x9410 SECRET. To Hs. from BJ. BJ10/H7.10.24. 40/50 HP. ROAD SPRINGS. Hs5/LG6.10.24. It is quite correct that a standard-isation sheet was passed for 25% stiffer springs to suit front wheel brakes, as… | ||
| scan0163 | Confirming the decision to use a 20% stiffer spring and referencing issued instructions. | ||
| View original record | X9410 BY/4/H. 7.10.24. BY. E. [struck through] Hs. -- Referring to my letter to E. in which I pointed out that the carefully considered memo which was taken down as our discussion proceeded stage by… | ||
| scan0164 | Use of car 48-PK for testing stronger springs on closed cars. | ||
| View original record | X9410 To Hs. from BJ. BJ13/H7.10.24. SPRINGS. With regard to testing closed cars with 12 1/2% and 20% stronger springs as quickly as possible, have you thought of using 48-PK, which we have in London,… | ||
| scan0165 | Need to test 12½% and 20% springs under French road conditions before fitting them to cars. | ||
| View original record | To R. from CJ. Copy to BY. Copy to Hs. re Springs. With reference to the testing of springs in France, it is practically impossible for us to state what cars will or what cars will not be used in… | ||
| scan0166 | Spring stiffness for press demonstration cars and the experimental car 48-PK. | ||
| View original record | X9410 To B.J. from Hs. Hs3/LGS.10.24. SPRINGS. X9410 ~~X2628~~ With reference to BJ13/H7.10.24. All the cars which are being used for the Press Demonstration fitted with 4-wheel brakes, will be fitted… | ||
| scan0167 | Road spring tests in France, comparing different makes and stiffnesses. | ||
| View original record | To CJ. } FROM R. HS. } c. to BJ. BY. PN. x9410 RL/M9.10.24. RE. ROAD SPRINGS - TESTS IN FRANCE. X. 9941 X. 9410 X. 2628 It seems as though our dynamometer bump test will give us the relative value of… | ||
| scan0168 | Bump tests on road springs and proposing a new continuous bending test apparatus. | ||
| View original record | 49410 To HS. from DA. DA3/M10.10.24. X.1331 X.9410 X.2628. BUMP TEST ON ROAD SPRINGS. Referring to Hs8/LG6.10.24., we infer that the springs tested were not the very latest thin leaf 12½% springs?… | ||
| scan0169 | The comparative testing of Firths and Woodheads road springs in France. | ||
| View original record | To BY. from Hs. c. to Wor. Wd. Hs2/LG13.10.24. ROAD SPRINGS - TESTS IN FRANCE. Referring to RL/M9.10.24. It would appear from this memo. that we should not fit any Firths springs to cars until we have… | ||
| scan0170 | Comparative testing of Firth and Woodhead front springs. | ||
| View original record | X9410 To Hs. from R. c. to CJ. DA. BY. R1/M16.10.24. RE. FRONT SPRINGS. X.2628 X.1331 X.9410 My idea of testing the exact strength and design of spring that we were going to use without insisting upon… | ||
| scan0171 | Telegram received by telephone inquiring about the status of front springs being tested. | ||
| View original record | RR 144A (50BKS.) (SK 871 23-5-23) MP 272631 ROLLS-ROYCE LTD TELEGRAM RECEIVED BY TELEPHONE. Time Received: 11-49 Date: 17. 10. 24 By: W.S.A from: London 10-5 To: Raypan Derby FROM: Message: Tines… | ||
| scan0172 | Telegram received by telephone from Johnson enquiring about production, supply to customers, and vehicle body specifications. | ||
| View original record | ROLLS-ROYCE LTD. TELEGRAM RECEIVED BY TELEPHONE. RR 144A (50BKS.) (SK 871 23-5-23) MP 272631 Time Received Date To By from in production to supply to customers where will tests finish what bodies are… | ||
| scan0173 | Request for a status update regarding the testing of front springs. | ||
| View original record | ROYCAR DERBY HIVES PLEASE WRITE WHAT IS EXACTLY THE PRESENT POSITION REGARDING TESTING FRONT SPRINGS WHAT SPRINGS ARE BEING TESTED TEN THOUSAND MILES ARE THEY EXACTLY WHAT WILL BE USED IN PRODUCTION… | ||
| scan0174 | From BJ to Hs concerning the urgent need for results from front spring testing to prevent further costs and delivery delays. | ||
| View original record | To Hs. from BJ. BJ2/H17.10.24. X9410 TESTING FRONT SPRINGS. We telegraphed you to-day as attached, as we are anxious to have the latest possible information on the subject. Doubtless it is understood… | ||
| scan0175 | Telegram from Johnson to Hives inquiring about the status of front spring testing. | ||
| View original record | HIVES PLEASE WRITE WHAT IS EXACTLY THE PRESENT POSITION REGARDING TESTING FRONT SPRINGS WHAT SPRINGS ARE BEING TESTED TEN THOUSAND MILES ARE THEY EXACTLY WHAT WILL BE USED IN PRODUCTION TO SUPPLY TO… | ||
| scan0176 | Secret memorandum discussing the testing and procurement of springs for four-wheel brake cars. | ||
| View original record | To CJ. from Hs. To BJ. from Hs. S E C R E T. x9410 Hs9/LG1 7.10.24. SPRINGS FOR FOUR WHEEL BRAKE CARS. In reply to the telegram in connection with the above which we have received. At present there is… | ||
| scan0177 | Delivery, testing, and fitting of Firths and Woodheads car springs. | ||
| View original record | contd :- -2- for Tuesday morning the 21st. inst. Messrs. Firths will then proceed to deliver the whole 100 pairs of springs. Bumping tests will commence as soon as these springs arrive. The second car… | ||
| scan0178 | Telegram received by telephone enquiring about the strength of an order for Woodhead and Trittons springs. | ||
| View original record | RR 144A (50BKS.) (SK 871 23-5-23) MP 272631 ROLLS-ROYCE LTD. F.D TELEGRAM RECEIVED BY TELEPHONE. Time Received: 3-21 Date: 20 . 10 . 24 To: Kexpax Derby By: WGA from: London 2-46 X9410 Message Body:… | ||
| scan0179 | Telegram concerning the testing of springs with standard tyres and not balloon tyres, and travel instructions. | ||
| View original record | RR 144A (50BKS.) (SK 871 23-5-23) MP 272631 ROLLS-ROYCE LTD. TELEGRAM RECEIVED BY TELEPHONE. Time Received Date To By from FROM Basil Johnson presume all springs will be tested with present standard… | ||
| scan0180 | Telegram asking for clarification on the strength of springs on order, and instructions for testing and travel. | ||
| View original record | POST OFFICE TELEGRAPHS. CONFIRMATION (1156) EM2528 15,000M 21/8/23 R.&Co.Ltd. E1501. No. of Telegram: X9410 57 Office Stamp: DERBY * 20 OC * 24 Sent: 3.20 M. To: 1320 OC By: qc Words: 3 Received here… | ||
| scan0181 | Modifications to the 98-NK car for a 10,000-mile test in France. | ||
| View original record | R.E. 493A (20H) (D.A. 652 20-3-24) J.R.D. EXPERIMENTAL REPORT. To R. from Hs. c. to CJ. BJ. c. to E. DA. c. to BY. Wor. Expl. No. X9410 REF: Hs2/LG20.10.24. 10,000 MILES TEST IN FRANCE. 98-NK CAR.… | ||
| scan0182 | Page 2 of an experimental report detailing tests on low pressure tyres, servo gear, pivot bushes, shock absorbers and gudgeon pins. | ||
| View original record | R.R. 493A (20H) (D.A. 652 20-8-24) J.H.D. -2- EXPERIMENTAL REPORT. Expl. No. REF:Hs2/LG20.10.24. 3. Low pressure tyres and wheels. A set of low pressure tyres and wheels are being sent to France so… | ||
| scan0183 | Various electrical and mechanical components used in a test. | ||
| View original record | R.E. 493a (20H) (D.A. 652 20-3-24) J.H.D. -3- EXPERIMENTAL REPORT. Expl. No. REF: Hs2/L.S20.10.24. 1. Elliott Ammeter. 2. Redmanol encased coil TR. 3. 3. Condenser No.1600 - made up with untreated… | ||
| scan0184 | Telegram received by telephone regarding an order for Woodhead and Firth springs. | ||
| View original record | RR 144A (50BKS.) (SK 871 23-5-23) MP 272631 ROLLS-ROYCE LTD. F.D TELEGRAM RECEIVED BY TELEPHONE. Time Received: 3-21 Date: 20 10 24 To: Hayward Derby x2628 By: WSA from: London 2-46 STAMP: REC'D OCT… | ||
| scan0185 | Telegram about testing springs with standard tyres and travel arrangements for a vehicle or person. | ||
| View original record | ROLLS-ROYCE LTD. TELEGRAM RECEIVED BY TELEPHONE. Time Received Date To By from presume all Springs will be tested with present Standard tyres not with balloons Stop to A. C. Two should go direct to… | ||
| scan0186 | Letter from Firths regarding springs and spare main plates for the E.A.C.III Front Axle. | ||
| View original record | Hs. from Wd. c. to By. √9410 Wd2/NJ21.10.24. E.A.C.III Front Axle. Herewith I hand you copy of letter from Firths, ref.- MMF/WEW, of 20th inst. giving information regarding the 12 springs, 43½"… | ||
| scan0187 | Letter from Thos. Firth & Sons Limited regarding the completion and despatch of springs and main plates. | ||
| View original record | Copy of letter from:- THOS.FIRTH & SONS LIMITED, Norfolk Works, Sheffield. 20th Oct.1924. Steel Dept. MMF/WEW. Messrs.Rolls-Royce Ltd., Nightingale Road, Derby. Dear Sirs, Order No.34172. We are in… | ||
| scan0188 | Breakage of front road springs and potential design improvements. | ||
| View original record | X9410 To BY. To Hs. FROM DA. DA1/M21.10.24. RE. FRONT ROAD SPRINGS. 12½% THIN LEAF+ X.2628 X.9410 Referring to the reports of the breakage of the bottom leaf of these springs, and to the note on the… | ||
| scan0189 | Telegram from Lidsey in Chateauroux to Hives in Derby reporting mileage completion and the status of springs. | ||
| View original record | 224 DDS CHATEAUROUX 31 14.50 14 HIVES ROYCAR DERBY = MILEAGE COMPLETED ON 9 P K SPRINGS STOP SPRINGS OK = = LIDSEY . | ||
| scan0190 | Road tests of Woodhead and Firths car springs in France. | ||
| View original record | R.R. 40SA (20H) (D.A. 652 20-3-24) J.H.D. EXPERIMENTAL REPORT. Expl. No. X9410 REF: HS5/LG27.10.24. To R. from Hs. c. to CJ. BJ. c. to E. DA. c. to BY. Wor. ROAD TESTS. TESTS IN FRANCE. X9941 X9410… | ||
| scan0191 | Road spring tests conducted in France. | ||
| View original record | R.R. 496A (20H) (D.A. 652 20-3-24) J.H.D. EXPERIMENTAL REPORT. Expl. No. [handwritten] L9410 REF: Hs5/LG27.10.24. To R. from Hs. c. to CJ. BJ. c. to E. BA. c. to EY. Wor. ROAD SPRINGS. TESTS IN… | ||
| scan0192 | With a diagram discussing the dimensions and performance of springs and rubber buffers for specific car models. | ||
| View original record | x9410 Expl: Dept: Messrs. Rolls-Royce Ltd., Derby, Angleterre. 28th. Oct. 1924. x9941 x9410 Hotel de France, Chateauroux, Indre, France. Mr. Lidsey from Hs. RE. 98-NK CAR. The springs fitted to this… | ||
| scan0193 | Use of Woodhead and Firths springs, servo gear performance, and steering issues on cars 98-NK and 9-PK. | ||
| View original record | contd :- -2- to use only Woodhead springs until the tests on the bumping rig have proved the Firths springs to be equal to the Woodheads. The reason for fitting the Woodhead 12½% springs on 98-NK is… | ||
| scan0194 | Tests conducted with Woodhead and Firths road springs in France. | ||
| View original record | R.R. 493A (20H) (D.A. 652 20-3-24) J.R.D. EXPERIMENTAL REPORT. Expl. No. REF: Hs4/LG29.10.24. To R. from Hs. c. to CJ. BJ. c. to E. BA. c. to BY. Wor. TESTS WITH ROAD SPRINGS IN FRANCE. 9-PK car… | ||
| scan0195 | From CJ to Hs clarifying spring stiffness and load conditions for tests on the 40/50 HP model. | ||
| View original record | +9410 To Hs. from CJ. Tests of Springs. CJ2/E29/10/24 --------------------- ----------------- --------------- With reference to tests of springs being made in France, when you talk of 12½% stiffer, I… | ||
| scan0196 | Clarifying the stiffness of front springs for 40/50 HP cars in England and France. | ||
| View original record | To CJ. from Hs. Hs9/LG31.10.24. TESTS OF SPRINGS. With reference to CJ2/E29.10.24. Our standard for front springs are those fitted to 40/50 HP. cars without front wheel brakes for use in England. When… | ||
| scan0197 | Standardisation sheet for four-wheel brakes and providing an update on spring testing. | ||
| View original record | To CJ. and BJ. From Hs. X9410 Hs2/LG1.11.24. X.9940. STANDARDISATION SHEET - FOUR WHEEL BRAKES. X9940 X9410 Attached herewith is standardisation sheet for 4-wheel brakes. You asked for this to be… | ||
| scan0198 | Request for a weekly report on the testing of 12½% stiffer front springs in France. | ||
| View original record | X9410 To Hs. from BJ. BJ12/H4.11.24. TESTING SPRINGS. Now you are testing the 12½% stiffer front springs in France, if you are not sending R. a weekly report of the results, will you please send us a… | ||
| scan0199 | Particulars and test results for 1150 lbs Firthe and Woodhead front springs. | ||
| View original record | To Me from RHC. O/y. X9440 RHC3/EU 4.11.24. ROE-RAC.III FRONT SPRINGS. We give below particulars of 1150 lbs Firthe and Woodhead Front Springs. We have also tested the Top and Second leaves of each… | ||
| scan0200 | The ongoing tests of Woodhead front road springs in France, noting they have completed 1,500 miles. | ||
| View original record | To BJ. from Hs. X9410 Hs3/LGS.11.24. TESTS OF FRONT ROAD SPRINGS IN FRANCE. X3854 Referring to BJ12/H4.11.24. The last report in connection with the Woodhead 12 1/2% springs was that they had… | ||
| scan0201 | Comparison of front road springs from suppliers Firths and Woodheads, noting test results. | ||
| View original record | x9410 To R. from Hs. c. to CJ. BJ. c. to E. DA. c. to EY. Wor. Hs4/LG5.11.24. TESTS OF FRONT ROAD SPRINGS. X9941 X9410 We attach a comparison of Firths and Woodheads front springs giving the initial… | ||
| scan0202 | Comparison of specifications for 1150 lbs Firths and Woodhead front spring leaves. | ||
| View original record | COPY. EAC.111. FRONT SPRINGS. We give below particulars of 1150 lbs. Firths and (Woodhead) Front Springs :- | | FIRTH SPRING LEAVES. | | WOODHEAD SPRINGS. | | |---|---|---|---|---|---|---|---| | |… | ||
| scan0203 | Recommendation to tighten the front spring clips on 40/50 HP cars following road tests in France. | ||
| View original record | To BY. from Hs. c. to EP. c. to Hm. X9410 Hs6/LG7.11.24. EAC.111. TESTS OF FRONT ROAD SPRINGS IN FRANCE. X9941 X9410 We recommend that all 40/50 HP. cars fitted with 4-wheel brakes should have clips… | ||
| scan0204 | On unsatisfactory nuts on spring clips during tests of front road springs in France. | ||
| View original record | To BY. from Hm. C. to Hs. 19410 Hm11/W10.11.24. EAC.111. Tests of Front Road Springs in France. Re Hs6/LG7.11.24. The Nuts on the Spring Clips are not a very satisfactory job. The hexicon portion is… | ||
| scan0205 | Query regarding a complaint about a chassis bumping on the rubber buffer and requesting driver feedback. | ||
| View original record | X9410 To Hs. from CJ. CJ1/E18/11/24 PN complains of bumping on to the rubber buffer in chassis which he has tried recently. He seems to think that the size of the rubber buffer has been increased and… | ||
| scan0206 | Instruction regarding the process for securing front road springs to the front axle. | ||
| View original record | X9410 Mr. Beech. Mr. Hives. Test Dept. Hs. E.A.C.III. SECURING FRONT ROAD SPRINGS TO FRONT AXLE. It is absolutely necessary that the front spring clips should be well tightened up before the cars are… | ||
| scan0207 | Telegram reporting on the completion of mileage testing on springs. | ||
| View original record | (26513) EM7777 40,000M. 2/23 R.&Co.Ltd. E.1405. POST OFFICE TELEGRAPHS. X9410 Office Stamp: 0131 DERBY 20 NOV 24 28 If the receiver of an Inland Telegram doubts its accuracy he may have it repeated on… | ||
| scan0208 | Complaint about car springs bumping on rubber buffers due to reduced clearance on the 40/50 HP model. | ||
| View original record | X9410 To CJ. from Hs. Hs1/LG20.11.24. X2628 With reference to PN's complaint of recent cars bumping on the rubber buffers. The relative clearance between the front spring and the rubber buffer is… | ||
| scan0209 | Comparing the buffer clearance between the 40/50 HP and EAC.111 models. | ||
| View original record | Y9410 To BY. from Hs. Hs2/LG20.11.24. RE. COMPARISON OF BUFFER CLEARANCE BETWEEN 40/50 HP. & EAC.111. Y9410 X2628 We find that there is relatively less buffer clearance on the EAC.111 cars compared… | ||
| scan0210 | Comparison of buffer clearance calculations between the standard 40/50 chassis and the EAC.111 chassis. | ||
| View original record | Hs/ACL/LG20.11.24. BUFFER CLEARANCE ON EAC.111. STD. 40/50 CHASSIS. Free camber = 3.500". Camber when loaded = 0. Load = W. Rating = W/3.5 in/lb. Buffer clearance = 2.200". Additional load to bring… | ||
| scan0211 | Driver shift relief and travel logistics for a vehicle test between Paris and Chateau Roux. | ||
| View original record | S/W. (Hs) X9410 X9941 CWB/DB42. 24-11-1924. Your Hs1/LG22.11.24 received. I do not wish in any way to interfere with the test you are carrying out, but would propose to take the place of one of your… | ||
| scan0212 | Requirement and supply status of 43½ inch, 12½% stiffer front springs for the 40/50 HP Chassis. | ||
| View original record | Wor: from Wd. c.to By. c.to Hs. 49410 Wd8/NJ24.11.24. 43½" Centres, 12½% Stiffer type Front Springs. 40/50 HP. Chassis. I am informed that we require 264 front springs of the 12½% stiffer type to… | ||
| scan0213 | The increase of buffer clearance on E.A.C.III. | ||
| View original record | x9410 Hs. BY/CT/H. 29.11.24. BUFFER CLEARANCE ON E.A.C.III. With reference to Hs2/LG. 20.11.24. and the information given on the sheet attached thereto, we are arranging to increase the clearance to… | ||
| scan0214 | The 10,000-mile endurance test of Woodhead thin leaf springs in France. | ||
| View original record | R.R. 493A (20H) (D.A. 652 20-9-24) J.H.D. EXPERIMENTAL REPORT. x9410 Expl. No. 9410 REF: Hs3/LGS 30.11.24. To R. from Hs. c. to CJ. BJ. c. to RG. E. c. to DA. BY. c. to WOr. TESTS WITH 12½% THIN LEAF… | ||
| scan0215 | The 10,000-mile test of Firths front springs in France. | ||
| View original record | Handwritten: 49410, 74429, *2628 (crossed out) To R. from Hs. c. to CJ. BJ. c. to RG. E. c. to DA. EY. c. to Wor. COPY NO (faint stamp) Hs1/LG11.12.24. 10,000 MILES TEST WITH FIRTHS SPRINGS IN FRANCE.… | ||
| scan0216 | Comparison of satisfactory and unsatisfactory Firths springs based on initial camber and leaf thickness. | ||
| View original record | To R. from Hs. c. to CJ. BJ. c. to E. DA. c. to RG. BY. c. to Wor. 49410 Hs3/LG13.12.24. FIRTHS SPRINGS. X2828 X4429 We give below comparisons of one of the latest 1150 lbs. Firths springs (which have… | ||
| scan0217 | Weight of the rear axle and springs for a car. | ||
| View original record | To Hs/Rm. from RHC. X 9410 RHC2/BE 26.1.26. EAC.1. (9-EX) X.8920 X.9930 X.9410 The weight of rear axle and springs for the above car are as follows :- Rear axle complete with hubs, drums and brake… | ||
| scan0218 | Series of experiments to investigate and resolve Phantom suspension complaints. | ||
| View original record | To R. from DA. c, to Hs. X9410 DA2/M26.3.26. PHANTOM SUSPENSION COMPLAINTS+ X.8410 X.9410 X.8520 In another memo. we have given the results of the demonstration in Derby to arrive at an exact idea of… | ||
| scan0219 | Outlining further suspension experiments comparing the 20 HP, Phantom, and Silver Ghost models. | ||
| View original record | To Hs. from DA. X9410 DA3/M10.4.26. SUSPENSION EXPERIMENTS. X.8410 X.9410 X.5410 X.235 This is to confirm one or two points on which it was intended to make further experiments :- (1) To find out… | ||
| scan0220 | Results of suspension tests comparing a pre 'U' series Silver Ghost with a New Phantom. | ||
| View original record | To Hs. from DA. X9410 DA1/M13.4.26. RE. SUSPENSION. X.3900 X.9410 X.8410 X.2628 Referring to Mr. Nadin's note of the 9th.inst., re. the suspension tests in Derby, I am not entirely in agreement with… | ||
| scan0221 | Comparing the suspension and ride comfort of the Phantom and Silver Ghost models. | ||
| View original record | To R. from Hs. c. to BJ. RG. c. to E. DA. c. to BY. Wor. c. to Na. X9410 Hs2/LG24.4.26. PHANTOM SUSPENSION. X.9410 X.3900 X.8410 X.2628 We have obtained several pre front brake Silver Ghost cars from… | ||
| scan0222 | Page 2 of a report on springing combinations, concluding that customer satisfaction with the 20 HP springing is justified. | ||
| View original record | contd :- -2- various combinations of springing. This test shows up clearly that customers satisfaction with the 20 HP. springing is justified. Hs. | ||
| scan0223 | Spring rating and stiffness for the Phantom suspension system. | ||
| View original record | To Hs. from DA. X 9410 DA2/M29.4.26. PHANTOM SUSPENSION. X. 8410 X. 9410 X. 3900 We understand that there was some doubt about the meaning of our telegram re. spring rating. We were going on R's… | ||
| scan0224 | Delays and technical points of a Phantom with semi-elliptic rear springs and a sequence starter. | ||
| View original record | To R. from Hs. c. to BJ. RG. c. to DA. E. c. to BY. Wor. EAC.1. PHANTOM WITH SEMI ELLIPTIC REAR SPRINGS CONTROLLING AXLE. We are sorry to say that we have been delayed in bringing this car to WW. The… | ||
| scan0225 | Internal order for a set of rear road springs and associated fittings for the Experimental Department. | ||
| View original record | X9410 [Crossed out text: C. Hs/Hm.] [Crossed out text: Mr. Rhodes] BY/HEBg/M.10.8.26. [Stamp: RECEIVED 10 AUG 1926] E.A.C.I. CHASSIS. REAR SPRINGS & FITTINGS SEC:7030. Will you please order for… | ||
| scan0226 | Suitability of stiffer springs for cars intended for the Spanish and Australian markets. | ||
| View original record | (COPY). Y940 S/W. Copy to EP. Hs. Rv. Madrid Depot. Sg14/M/14.3.27. X8440 X2628 RE SPRINGS FOR SPAIN. Thanks for BY1/Hl1.3.27. I have received via. EP. copy of your BY8/H9.3.27. to him on the above… | ||
| scan0227 | Internal memorandum discussing customer complaints and specifications for road springs. | ||
| View original record | (9410 To Hs. from Hs/Rm. Hs/Rm3/LG15.3.27. ROAD SPRINGS. You will see by the enclosed that BY. has successfully attached the blame for the somewhat peculiar 20% stiffer springs to Sales. DA. wont do… | ||
| scan0228 | Suspension spring stiffness for cars sold in Spain and other Continental countries. | ||
| View original record | -2- Contd. modern use of a motor car is for all purposes and they are not kept for use separately in town or country, as may have been the case formerly. As a basis for discussion in regard to Spain,… | ||
| scan0229 | Springing chart for all 40/50 HP cars to determine the required spring poundage based on the vehicle's total weight. | ||
| View original record | SPRINGING CHART FOR ALL 40/50 HP. CARS. PRIOR TO F.W.B. INSTRUCTIONS FIRST OBTAIN THE TOTAL WEIGHT OF THE CAR WITH MAXIMUM LOAD AS PER INSTRUCTIONS BELOW. THIS IS TO INCLUDE CHASSIS, BODY, SPARES, &… | ||
| scan0230 | Proposals for increased lock on the 40/50 four-wheel brake front axle. | ||
| View original record | X9420 To BY. from DA. c. to CJ. c. to RG. c. to HS. DA1/M12.12.23. X.9940 X.9420 40/50 FOUR WHEEL BRAKES - FRONT AXLE. We send herewith scheme 1716 shewing our proposals for gaining increased lock in… | ||
| scan0231 | Breakages in steering and front springs, with proposed solutions and stress analysis. | ||
| View original record | To R. from DA. c. to CJ. HS. RG. SECRET. DA1/M16.1.24. E. A. C. X.9770 X.9410 X.9420 X.9430 Referring to R2/M16.1.24., I am sorry that we did not realise that you were expecting us to send our remarks… | ||
| scan0232 | The phenomenon of 'jaggers' in front wheel brakes and potential solutions. | ||
| View original record | X9420 SECRET AND CONFIDENTIAL. To HS. RG. E. DA. } FROM R. R1/M21.1.24. c. to CJ. BJ. BY. WOR. EP. PN. RE. FRONT WHEEL BRAKES. X.9940 X.9420 X.9430 I was very pleased indeed to receive HS. report on… | ||
| scan0233 | Report discussing braking systems, including shoe types, servo efficiency, and adjustments, as well as notes on steering. | ||
| View original record | contd:- -2- they will be found consistent but we await further tests. No-one would desire to change from the standard more or less rigid shoes and fixed fulcrum brakes unless some definite advantage… | ||
| scan0234 | Continued discussion on the effects of unequal braking on centre point steering. | ||
| View original record | contd:- -2- Given centre point steering one can only see that the unequal braking affects the steering because of the inclination of the pivots in front elevation. The torque causing pressure on the… | ||
| scan0235 | Secret memo discussing steering friction issues related to front wheel brakes and potential improvements. | ||
| View original record | X9420 To RG. E. } DA. HS. } FROM R. c. to CJ. PN. S E C R E T. R5/M14.2.24. STEERING - EACs. ETC. X.9420 X.9430 X.9940 With front wheel brakes we are obliged to overhang the road wheels more, and… | ||
| scan0236 | Steering and road shock issues with proposed engineering solutions. | ||
| View original record | 49420 SECRET. To Hs. from R. To DA. c. to CJ. BJ. Wor. RG. E. PN. BY. STEERING AND ROAD SHOCKS. I think Mr. Hives has done well if he has found these to increase with the extra inclination of the… | ||
| scan0237 | Typed memo discussing steering issues, including causes like potholes and ruts, and potential solutions like buffer springs. | ||
| View original record | contd:- -2- SEE ORIGINAL FOR SKETCH. I was rather expecting to hear further. I am assuming that previously we have had shocks to the steering wheel due to imperfect geometry, and that this last reason… | ||
| scan0238 | Steering geometry, wheel types, and shock absorption experiments. | ||
| View original record | To HS. & DA FROM R. SECRET R2/M6.3.24. c. to Wor. RG. E. BY. PN. E.A.C. STEERING. X.9420 X.9430 We must get along with producing something. We cannot now change the parts in progress to alter the… | ||
| scan0239 | The optimal weight of a steering wheel concerning its mounting on an overhanging tube. | ||
| View original record | contd:- -2- (c) Perhaps watch [handwritten above 'what' which is struck out] that our steering wheel is not too light - (a large heavy steering wheel would be good from this point, but bad because it… | ||
| scan0240 | From 'R.' discussing steering troubles, their causes, and potential solutions. | ||
| View original record | To BY. HS. DA) FROM R. SECRET. R1/M7.3.24. E. A. C. RE. STEERING TROUBLES. X.9430 X.9420 Hs. does not find that the increased lean of pivots (transverse) makes any noticeable difference. There are… | ||
| scan0241 | Meeting memorandum discussing front axle and wheel design for improved steering and road shock reduction. | ||
| View original record | To DA. & E. from R. c. to CJ. Wor. RG. PN. BY. HS. 49420 S E C R E T. R1/M22.3.24. E. A. C. X.9420 X.9820 X.9430 MEETING AT LE CANADEL (RG. HS. & R.) STEERING WITH FRONT WHEEL BRAKES. FRONT AXLE.… | ||
| scan0242 | Status report on the inventory and production stages of front axles and pivots. | ||
| View original record | X9420 Hs. BY5-P31.3.24. EAC.111. FRONT AXLES. We find from the Works that the position in regard to Front Axles and Pivots is as follows;- Front Axles. G.71018. 139 forgings delivered. G.71508. -do-… | ||
| scan0243 | Secret memorandum suggesting an experiment to reduce the number of bolts on a front axle. | ||
| View original record | X.9420 To BY. & HS. from DA. S E C R E T. DA1/M5.4.24. E.A.C. FRONT AXLE. X.9420 Thank you for your BY5/14.2.24. We suggest that a useful experiment would be to leave out half the number of bolts, say… | ||
| scan0244 | Issues with four-wheel brakes on 40/50 HP cars, including scored drums and steering tube failure. | ||
| View original record | R.R. 493A (20H) (D.A. 652 20-3-24) J.H.D. EXPERIMENTAL REPORT. Expl. No. 9940 9420 REF: Hs1/LG3.5.24. To R. from Hs. c. to CJ. RG. c. to DA. E. c. to BY. WOR. S E C R E T. FOUR WHEEL BRAKES. It is… | ||
| scan0245 | Comparing turning circles of the EAC.111 Axle against a standard long chassis. | ||
| View original record | R.R. 493a (20H) (D.A. 852 20-2-24) J.B.D. EXPERIMENTAL REPORT. To R. from Hs. c. to CJ. RG. c. to DA. E. c. to BY. WOR. 19420 Expl. No. 980 9420 REF: Hs12/LG12.5.24. S E C R E T. E.A.C. 111. On the… | ||
| scan0246 | Table detailing the inclination of axle pivots for various car models. | ||
| View original record | X9420 15.5.24. INCLINATION OF AXLE PIVOTS. | Car. | Lean of Pivots. | Length of pivot pin. | Lean of pivot pins. | |---|---|---|---| | X3441 40/50 HP. | 1° on axle | 8.815 | .154 | | X4263 Gos:11. |… | ||
| scan0247 | Four-wheel brakes and their effect on steering due to unequal braking on the 40/50 HP model. | ||
| View original record | R.R. 403A (40 H) (SL 42 12-7-23). J.H., D. EXPERIMENTAL REPORT. To R. from Hs. c. to CJ. RG. c. to DA. E. c. to BY. WOR. X9420 Expl. No. 9940 REF: Hs1/LG15.5.24 9420 S E C R E T. FOUR-WHEEL BRAKES. We… | ||
| scan0248 | The effects of a torque arm on vehicle steering during braking. | ||
| View original record | R.R. 493A (40 H) (SL 42 12-7-23). J.H., D. -2- EXPERIMENTAL REPORT. Expl. No. 9940 REF: Hs1/LG15.5.24. not get the same tendency for the steering to be pulled out of ones hands when the brake is… | ||
| scan0249 | Steering tendencies and issues related to braking and front axle components. | ||
| View original record | R.R. 493A (40 H) (SL 42 12-7-23). J.H., D. -3- Exptl. No. 9940 REF: Hsl/LG15.5.24. EXPERIMENTAL REPORT. vigorously, there is a distinct tendency for the steering wheel to turn and it requires… | ||
| scan0250 | Initial load settings for steering components to address steering issues. | ||
| View original record | R.R. 493A (40 H) (SL 42 12-7-23). J.H. D. -4- Expl. No. 9940 REF: Hs1/LG15.5.24. EXPERIMENTAL REPORT. set-up on the ball is 30 lbs. On the 20 HP. it is 70 to 80 lbs. On the 40/50 cars which have been… | ||
| scan0251 | The steering effects with four-wheel brakes. | ||
| View original record | R.R. 493A (40 H) (EL 42 12-7-23). J.H., D. -1- EXPERIMENTAL REPORT. Expl. No. REF: Hs/Rm/LGS.6.24. STEERING EFFECTS WITH FOUR-WHEEL BRAKES. We have been investigating the way in which the axle twists… | ||
| scan0252 | The effect of single-brake application on pivot lean and steering stability. | ||
| View original record | R.R. 493A (40 H) (SL 42 12-7-23). J.H. D. -2- Expl. No. 9940 REF: Hs/Rm/LC15.5.24. EXPERIMENTAL REPORT. With one brake only in action, the pivot on the side where the braking is taking place, assumes… | ||
| scan0253 | The effects of braking and a torque arm on centre-point steering. | ||
| View original record | R.R. 403A (40 H) (8L 42 12-7-23). J.H., D. -3- EXPERIMENTAL REPORT. Expl. No. 9940 REF: Hs/Rm/LG15.5.24. with centre-point steering. Once it has started the reverse, castoring action will, of course,… | ||
| scan0254 | Secret memo providing further figures on the twist of the front axle, comparing cars with light versus heavy springs. | ||
| View original record | To R. from Hs. c. to CJ. RG. c. to DA. E. c. to BY. Wor. Y9420 S E C R E T. Hs4/LG17.5.24. Y9420 Y9940 Attached herewith are further figures taken in connection with twist of the front axle. The… | ||
| scan0255 | The measurement of front axle twist due to braking. | ||
| View original record | R.R. 493 (40 H) (SL 42 12-7-23). J.H., D. EXPERIMENTAL REPORT. COPIES TO: R.CJ. BJ. WOR. By. E. Da. EP. PN. OY. Expl. No. 9420 9940 REF. Hs/RB1/LG17.5.24 OBJECT OF TEST. Measurement of twist of front… | ||
| scan0256 | Secret memo discussing front axle rigidity and testing irreversible steering for safety. | ||
| View original record | 49420 To HS. from EA. R. S E C R E T. R2/M17.5.24. E.A.C. X.9940 X.9420 You have now given us a very definite reason for fitting a more rigid control to the front axle so that the spring deflection… | ||
| scan0257 | Issues with front axle control and the unsatisfactory performance of torque arms with semi-elliptic springs, suggesting modifications. | ||
| View original record | X9420 (handwritten) To HS from R. RB/M26.5.24. c. to CJ. RG. DA. E. RE. FRONT AXLE CONTROL. X.9940 X.9420 X.9421. It will be noticed that this matter is not as urgent now we have decided to adopt less… | ||
| scan0258 | The swapping of a new front axle between chassis 98-NK and 9-PK and the necessary arrangements with customs. | ||
| View original record | N9420 Paris. c - Hs. ✓ ------- DERBY. D/BP/Y1118/MH.8.6.24. Re chassis 98-NK and 9-PK. Ps3/JP.11.4.24. ----------------- As you are aware chassis 98-NK has been returned to this country, but it is not… | ||
| scan0259 | Covering memo forwarding an extract from conference notes regarding the Front Axle. | ||
| View original record | V9420 To Wor. from CJ. To Hs. from CJ. Front Axle. CJ2/E22/5/24 Please find herewith for your information extract from Notes of conference held with R. yesterday. CJ. Enc. | ||
| scan0260 | Adding a plain thrust washer to the O.S. steering pivot following tests on the four-wheel brake system. | ||
| View original record | To BY. from Hs. L9420 Hs3/LG11.6.24. ADOPTED SCHEME OF FOURWHEEL BRAKES. x9940 x9420 From the tests of the cars al ready carried out, we find that it will be necessary to have one plain thrust washer… | ||
| scan0261 | Notes from a conference agreeing to prioritize a design for controlling the front axle. | ||
| View original record | CJ1/E22/5/24 Notes of Conference: R, CJ, BJ, Wednesday 21st May, 1924 R. agreed that the control of the front axle by a long torque arm or by a parallel control should be put at the top of the… | ||
| scan0262 | Improvements to front axle control, suspension, and braking systems. | ||
| View original record | X9420 To Hs. from R. c. to W. BJ. c. to Wor. RG. c. to Da. E. c. to By. EP. c. to PN. S E C R E T. R3/M9.7.24. E. A. C. RE FRONT AXLE CONTROL. X.9420, X.9421. X.9240. 66 I was pleased to hear that the… | ||
| scan0263 | The impact of front brakes, tyre pressure, and suspension components on vehicle ride comfort. | ||
| View original record | contd :- -2- Naturally the front brakes cannot make a car any better other than from the stand-point upon the construction by the presence of the additional parts. There will be some advantage of… | ||
| scan0264 | Experiment for fitting radius rods to the EAC.3 chassis for parallel control. | ||
| View original record | To HS. from DA. S E C R E T. 49420 DA3/M14.7.24. EAC.3. X.9770 X.9420 X.9240 X.9421 Referring to the question of fitting radius rods to the EAC.3. chassis, to provide parallel control, as explained to… | ||
| scan0265 | Secret memorandum detailing proposed alterations to front springing, braking, and axle fittings for certain car models. | ||
| View original record | To Hs.BY. from R. c. to CJ. & BJ. SECRET E. A. C.3. [Handwritten annotations: X9420, X9410, X9420, X9940, X9421] Regarding the springing of these cars it will be noticed that no change is proposed to… | ||
| scan0266 | Issues with front axle control due to stress on semi-elliptic springs and suggesting modified springing or radius rods as a solution. | ||
| View original record | 49421 To HS£ from R. c. to CJ. RG. DA. E. RE. FRONT AXLE CONTROL. X. 9940 X. 9420 X. 9421. It will be noticed that this matter is not as urgent now we have decided to adopt less fierce front wheel… | ||
| scan0267 | Experimental testing of front axle control arrangements, focusing on semi-elliptic springs and radius rods. | ||
| View original record | 19421 To Hs. from R. c. to CJ. RG. DA. RE. FRONT AXLE CONTROL. X.3441 X.9421 X.2628 R3/M29.5.24. We have lately gone into all patterns of front axle control with a view to experimentally testing what… | ||
| scan0268 | Cover note regarding 'Front Axle Control'. | ||
| View original record | X9421 To Wol. from CJ. To Hs. from CJ. Front Axle Control. CJ9/ES/7/24 I enclose for your information copy of memo. sent to R. CJ. Enc. Copy of CJ7/ES/7/24 | ||
| scan0269 | Front axle control issues related to spring stiffness and the fitting of four-wheel brakes. | ||
| View original record | SECRET. To R. from CJ. Front Axle Control. My dear R., We have now EAC.II chassis 46-PK. This is being tried by officials of the Sales department and I believe that Hs. and Hy. are to take it to you… | ||
| scan0270 | From CJ to R. summarizing the history of decisions regarding front axle control and spring arrangements. | ||
| View original record | To R. from CJ. CJ7/Ea/7/24 - 2 - difference in the length of the springs on the 360 cars already issued. You may remember that on the 27th February last Hs. wrote a memo. on this point, saying that he… | ||
| scan0271 | New front axle control scheme, its costs, potential delays, and implementation plan. | ||
| View original record | To CJ. - from Wor. (9421) Wor11/M8/7/24. Re Front Axle Control. -------------------- I received your telephone message and Hs. BY and myself have had a conference on this subject, and the following is… | ||
| scan0272 | Criticisms of a proposed radical change to a car, focusing on riding qualities versus spring stiffness. | ||
| View original record | -2- We are of the opinion that the proposed radical change is premature in view of the fact particularly that the car submitted to Sales was sent primarily as an example of a speed model. In any case… | ||
| scan0273 | Confirmation of a telephone message regarding front axle control, discussing double radius rods, spring length, and costs for front wheel brakes. | ||
| View original record | Handwritten: HS Handwritten: X 9421 To WOH. from CJ. c. to R. and Hs. Front Axle Control. CJ8/ES/7/24 Confirmation of telephone message. Referring to the above, the last correspondence we can trace on… | ||
| scan0274 | Telephone message for CJ regarding the progress and implications of testing double radius rods for front axle control. | ||
| View original record | 49421 Telephone message from Miss Elias for CJ:- 8/7/24. Re Front Axle Control. The last correspondence we can trace is a memo from Mr.Day to Mr.Bailey in which he says that Mr.Royce would like the… | ||
| scan0275 | Confirmation of a wire instruction to test a single radius rod scheme for a spring. | ||
| View original record | CONFIRMATION OF WIRE. X9421 WEST WITTERING. 9. 7. 24. HIVES. ROYCAR. DERBY. TEST PROMPTLY THE SIMPLE SCHEME INSTRUCTED OF A SINGLE RADIUS ROD EACH SIDE TEN INCHES ABOVE GROUND TO FORM COUPLE SIX… | ||
| scan0276 | Front axle control, discussing issues with spring stiffness, braking torque, and the testing of radius rods. | ||
| View original record | X9421 To Hs. from R. c. to W. BJ. c. to Wor. RG. c. to Da. E. c. to By. EP. c. to PN. S E C R E T. R3/M9.7.24. E. A. C. RE FRONT AXLE CONTROL. X.9420. X.9421. X.9840. I was pleased to hear that the… | ||
| scan0277 | The effects of front brakes, tyres, and suspension components on ride quality. | ||
| View original record | contd :- -2- Naturally the front brakes cannot make a car any better other than from the stand-point upon the construction by the presence of the additional parts. There will be some advantage of… | ||
| scan0278 | Experiment for fitting radius rods to the EAC.3 chassis to provide parallel control. | ||
| View original record | 49421 To HS. from DA. S E C R E T. DA3/M14.7.24. EAC.3. X.9770 X.9240 X.9420 X.9421 Referring to the question of fitting radius rods to the EAC.3. chassis, to provide parallel control, as explained to… | ||
| scan0279 | Alterations to the front springing, braking, and radius rod fittings for various car models. | ||
| View original record | X9421 SECRET. R2/M24.7.24. To Hs BY. from R. c. to CJ & BJ. E.A.C.3. X.9421.X.9940 X.9410 X.9420 Regarding the springing of these cars it will be noticed that no change is proposed to the rear of the… | ||
| scan0280 | Design changes and improvements to the 'Seagull' steering box, including a switch to a worm and worm-wheel system. | ||
| View original record | To hs. from R. c. to CJ. Wor. c. to Da. BY. c. to Mr. Claremont. X9430 R1/M15.1.23. RE. STEERING X.3929. X9430 X.4264. X.5465 Many thanks for memo. I was pleased to hear that most of the points are as… | ||
| scan0281 | Test rig for a proposed new method of fixing 'cheeses' on a steering system. | ||
| View original record | SECRET X 9430 To ns. from Da. Da3/M3.3.23. E. A. C. X.9810 [crossed out] 9770 X.9470 30 We send herewith N.sch.1383 which shews a rig for testing the proposed method of fixing the cheeses on the next… | ||
| scan0282 | Requesting the experimental production of parts for a Klaxon switch on a steering column, listing required components. | ||
| View original record | TO ARO. C. to EFC. X9430 BY/HEB13/W.4/10/23. X.9430. E.A.C. KLAXON SWITCH ON STEERING COLUMN-SEC:7051. We herewith forward you two Blueprints of each of the following details, in accordance with "N"… | ||
| scan0283 | Confidential memo regarding the probable liquidation of steering wheel centre supplier, Fermans Die Castings Ltd. | ||
| View original record | Confidential BY. from ROY. c. to Hs. X9430 ROY4/MG14.11.23 E.A.C.Steering Wheels Further to ROY1/MG13.11.23 re above, it is quite probable Fermans Die Castings Ltd, the firm who have made our… | ||
| scan0284 | The failure of an E.A.C. Pendulum Lever during a bumping test, recommending a halt until the design is reconsidered. | ||
| View original record | To BY. from Hs. c. to Wor. X9430 Hsl/LG17.11.23. E.A.C. - PENDULUM LEVERS. X9430 We have broken an E.A.C. Pendulum Lever on the bumping test. This failed after 17 hrs. running. This is a worse result… | ||
| scan0285 | Secret memo discussing potential modifications to the EAC.1 and 2 steering column to make steering easier. | ||
| View original record | To RG. E. & DA. from R. c. to CJ. BJ. Wor. HS. BY. EP. X.9430 S E C R E T. EAC-1. 2 & 3. R4/M1.1.24. STEERING - X.9430 I omitted to mention that if the new EAC.1 and 2. steering column is adopted some… | ||
| scan0286 | Breakages in steering and front springs, proposing design changes and further testing. | ||
| View original record | To R. from DA. c.c. to CJ. HS. RG. X9430 S E C R E T. DA1/M16.1.24. E. A. C. X.9770 X.9410 X.9420 X.9430 Referring to R2/M16.1.24., I am sorry that we did not realise that you were expecting us to… | ||
| scan0287 | Secret and confidential memo discussing the phenomenon of 'jaggers' (vibrations) in front wheel brakes and potential solutions. | ||
| View original record | 49430 SECRET AND CONFIDENTIAL. R1/M21.1.24. To HS. RG. } FROM R. E. DA. } c. to CJ. BJ. BY. WOR. EP. FN. RE. FRONT WHEEL BRAKES. X.9940 X.9420 X.9430 I was very pleased indeed to receive HS. report on… | ||
| scan0288 | Brake and steering system testing and proposed improvements. | ||
| View original record | contd:- -2- they will be found consistent but we await further tests. No-one would desire to change from the standard more or less rigid shoes and fixed fulcrum brakes unless some definite advantage… | ||
| scan0289 | Effects of unequal braking on centre point steering and potential solutions. | ||
| View original record | contd:- -2- Given centre point steering one can only see that the unequal braking affects the steering because of the inclination of the pivots in front elevation. The torque causing pressure on the… | ||
| scan0290 | Scheme for applying roller and ball bearings to a steering box rocking shaft. | ||
| View original record | To BY. from DA. c. to CJ. HS. X9430 S E C R E T. DA1/M7.2.24. E. A. C. X.9430 We send herewith N.sch.1747 shewing roller and ball bearings applied to the rocking shaft for EAC.1.11. and 111. steering… | ||
| scan0291 | Secret memo discussing the performance and potential improvements for a new steering box. | ||
| View original record | X. 9430 To HS. RG. E. FROM R. SECRET. R3/M11.2.24. DA. c. to CJ. BJ. Wor. BY. NEW EAC. STEERING BOX ETC. X. 9430 I am pleased to infer that it is now thought that this new box was not much to blame… | ||
| scan0292 | Secret memorandum discussing steering design changes to address friction and wobbles caused by front wheel brakes. | ||
| View original record | To RG. E. } DA. HS. } FROM R. c. to CJ. PN. X9430 S E C R E T. R5/M14.2.24. STEERING - EACs. ETC. X.9420 X.9430 X.9940 With front wheel brakes we are obliged to overhang the road wheels more, and… | ||
| scan0293 | Secret internal memo discussing steering shocks and spring adjustments on an experimental car. | ||
| View original record | X9430 To Hs. Da. } Rg. E. } FROM R. c. to CJ. PN. EP. BY. S E C R E T. R3/M19.2.24. E. A. C. RE. STEERING+ X.9680 X.9430 I examined PN's experimental car. The shocks are the natural ones from catching… | ||
| scan0294 | Secret memo evaluating a new steering box and pedal setup on an experimental car, comparing it to the standard model. | ||
| View original record | To DA. RG. ) FROM R. SECRET. R2/M21.2.24. E. HS. ) √9430 c. to CJ. BJ. EAC. STEERING BOX AND PEDALS. X.9430 PN. BY. X.9470 I have examined this new box on PN's experimental car and find it excellent… | ||
| scan0295 | Secret memo discussing potential solutions and ideas for steering and road shock issues. | ||
| View original record | To Hs. from R. To DA. c. to CJ. BJ. Wor. RG. E. PN. BY. 49430 SECRET. STEERING AND ROAD SHOCKS. X.9820 X.9420 X.9430 I think Mr. Hives has done well if he has found these to increase with the extra… | ||
| scan0296 | Potential causes and solutions for steering issues like shocks, wobbles, and heavy steering. | ||
| View original record | contd:- -2- SEE ORIGINAL FOR SKETCH. I was rather expecting to hear further. I am assuming that previously we have had shocks to the steering wheel due to imperfect geometry, and that this last reason… | ||
| scan0297 | The steering effects of fitting steel artillery wheels in place of wire wheels. | ||
| View original record | R.R. 493A (40 H) (SL 42 12-7-23). J.H., D. EXPERIMENTAL REPORT. Expl. No. X9430 REF.Hs4/LG27.2.24. To R. from Hs. c. to CJ. RG. c. to DA. E. c. to BY. WOR. S E C R E T. EAC. STEERING. X9430 Y9820… | ||
| scan0298 | Steering tests and modifications for the 40/50 HP car. | ||
| View original record | R.R. 493A (40 H) (SL 42 12-7-23). J.H., D. X9430 Expl. No. 9940 X9430 REF:HS3/LG28. 2. 24. EXPERIMENTAL REPORT. To R. from Hs. c. to CJ. RG. c. to E. DA. c. to BY. WOR. S E C R E T. EAC. STEERING… | ||
| scan0299 | Modifications to a front-wheel brake car, including spring changes and steering tube fabrication. | ||
| View original record | contd:- -2- 3. We are now fixing up a front wheel brake car with the correct front springs and anchored rear end which allows us to get rid of the radius rods and also put back the standard nut-worm… | ||
| scan0300 | Steering geometry, road shocks, and wheel types. | ||
| View original record | 49430 To HS. & DA FROM R. SECRET R2/M6.3.24. c.c. to Wor. RG. E. BY. PN. E.A.C. STEERING. X.9420 X.9430 We must get along with producing something. We cannot now change the parts in progress to alter… | ||
| scan0301 | Note discussing the ideal weight for a steering wheel, balancing feel with structural limitations. | ||
| View original record | contd:- -2- (c) Perhaps watch that our steering wheel is not too light - (a large heavy steering wheel would be good from this point, but bad because it would be too heavy to carry on an overhanging… | ||
| scan0302 | Steering troubles, specifically the effects of pivot lean, bad geometry, and oblique shocks. | ||
| View original record | Y9430 To BY. HS. DA) FROM R. S E C R E T. R1/M7.3.24. E. A. C. RE. STEERING TROUBLES. X.9430 X.9420 Hs. does not find that the increased lean of pivots (transverse) makes any noticeable difference.… | ||
| scan0303 | Suggested reinforcement for the frame at the front spring anchorage to prevent buckling. | ||
| View original record | X9430 To BY. from DA. c. to CJ. RG. HS. S E C R E T. DA2/M18.3.24. E.A.C.3. REAR ANCHORAGE OF FRONT SPRINGS. X. 9410 X. 9430 We send herewith N.sch.1775. shewing a suggested reinforcement for the… | ||
| scan0304 | Secret memo from a meeting at Le Canadel regarding steering with front-wheel brakes, front axles, and wheels. | ||
| View original record | X9430 To DA. & E. from R. SECRET. RL/M22.3.24. c. to CJ. Wor. RG. PN. BY. HS. E. A. C. MEETING AT LE CANADEL (RG. HS. & R.) STEERING WITH FRONT WHEEL BRAKES. X.9420 X.9820 X.9430 FRONT AXLE. X.9420… | ||
| scan0305 | The resolution of steering problems and sending new parts to France for testing. | ||
| View original record | x9430 C.J. from Hs. Hs8/LG27.3.24. We will in future keep the Administration informed as to our movements and addresses whilst abroad. We discussed with R. the Steering problems, and as a result of… | ||
| scan0306 | Modifications to steering and suspension to mitigate road shocks. | ||
| View original record | 19430 To RG. & HS. FROM R. c. to CJ. DA. E. BY. STEERING. R1/M10.4.24. X.963 X.9430 X.3465 We are anxiously awaiting the test of the low rating, ample clearance, slightly set up buffers in the… | ||
| scan0307 | 40/50 steering characteristics, pivot adjustments and low speed wobbles. | ||
| View original record | R.R. 493A (40 H) (SL 42 12-7-23). J.H., D. EXPERIMENTAL REPORT. To R. from Hs. c. to CJ. RG. c. to DA. E. c. to BY. WOR. Expl. No. 19430 REF:Hs4/LG11.4.24. S E C R E T. 40/50 STEERING - EAC.111. After… | ||
| scan0308 | Steering performance issues, particularly with the addition of front wheel brakes. | ||
| View original record | -2- EXPERIMENTAL REPORT. Expl. No. REF: Hs4/LG11.4.24. wind-up if the steering wheel is turned when the car is stationary, or the car is moving very slowly. We have sent an axle fitted with brakes and… | ||
| scan0309 | Steering stress caused by wheel obstructions and potential solutions. | ||
| View original record | X9430 TO HS. E. RG. DA. } FROM R. S E C R E T. R2/M16.4.24. c. to. CJ. Wor. BY. E.A.Cs. STEERING. X.9430 X.9410 I have set out a 36" wheel with a 2" obstruction and find that it touches the wheel 8"… | ||
| scan0310 | Defects and adjustments for the E.A.C. steering servo mechanism. | ||
| View original record | To HS. from R. L9T30 SECRET. R4/M26.5.24. E.A.C. STEERING. X.9910. X.9940 X.9430 Regarding the adjustment of the servo, there must be something defective with the way in which this arrangement has… | ||
| scan0311 | Excessive wear found on the steering nut for a 40-50 HP vehicle, chassis 14-PK. | ||
| View original record | X9430 H3/TB/161224. S/W. Hs. from H. Re:- 40-50 HP. Steering Nut. (Chassis 14-PK) Ref: By9/H.11.12.24. Owing to excessive wear having been found in the present standard steering nut of 14-PK. after… | ||
| scan0312 | Design principles and characteristics of braking systems, including skid control and brake drum materials. | ||
| View original record | contd :- (2) (a) That the RR. brakes shall require a fair amount of foot pressure to make them operate vigorously, namely, more than the Hispano, so that dangerous braking shall not occur so easily.… | ||
| scan0313 | Steering nut wear, attributing issues to lack of lubrication and proposing a redesign. | ||
| View original record | R.R. 493A (50H) (D.B. 175 25-9-24) J.H.D. EXPERIMENTAL REPORT. Expl. No. 19430 REF Hs3/LG19.12.24. W/S. H. from Hs. Re. Chassis 14-PK. 18430 19430 40/50 HP. Steering nut. Referring to H3/TB/16.12.24.… | ||
| scan0314 | Rapid wear of steering nuts on 14-PK and 40-50 HP models, refuting lack of lubrication as the cause for one specific case. | ||
| View original record | X9430 H2/TB/24.12.24 S/W. Hs. from H. Re:- 14-PK. and 40-50 HP. Steering Nut. I note your Hs3/LG.19.12.24, and we must hope that the two cases of rapidly wearing steering nuts, namely, the one you… | ||
| scan0315 | Worn solid steering nut from chassis 14-PK returned for examination. | ||
| View original record | N-W Hs. x9430 A/M11/S.5.1.25 re Chassis 14-PK We have today returned to you, as per G/F.37047, 1 - solid steering nut, taken from the above car. This has been sent to you for examination and report as… | ||
| scan0316 | Request for a copy of the examination report on a steering nut from chassis No. 14-PK. | ||
| View original record | Hs. D/BP/HD3/EM16.1.25. Re - Chassis No. 14-PK. -------------------- We understand from Chat that he has handed over to you a Steering nut recently received ex "N" Dept, for our examination and… | ||
| scan0317 | Examination of excessive wear on a steering nut from chassis 14-PK due to lubrication failure. | ||
| View original record | W/S. To H. from Hs. c. to A/M ('N') c. to EY. c. to BP/HD. 49430 Hs2/LG23.1.25. CHASSIS 14-PK. STEERING NUT. We have examined the steering nut off 14-PK car, and are of the opinion that the excessive… | ||
| scan0318 | 'Silver Ghost' steering wobble, advocating for the balancing of wheels and tyres, especially on cars with 4-wheel brakes. | ||
| View original record | R.R. 493A (50 H) (D.D. 91, 12-6-25) J.H.D. EXPERIMENTAL REPORT. Expl. No. X9430 REF. Hs1/LG18. 9. 25. To R. from Hs. c. to CJ. BJ. c. to RG. E. c. to DA. BY. c. to Wor. 'SILVER GHOST' STEERING. +c57… | ||
| scan0319 | High-speed steering wobble issues on 40/50 HP models. | ||
| View original record | C O P Y. N-W Wor. from Br. Br1/H20.5.25. RE. HIGH SPEED STEERING WOBBLES ON 40/50 HP. We have recently received a fair number of complaints concerning the above trouble on 40/50 HP. cars which are… | ||
| scan0320 | Significant steering problems with the 44-PK model, including 'binding' and 'steering wobble'. | ||
| View original record | (To CJ) Extract from Ep7/Hl3.3.25. Re E.A.C. 44-PK. "I understand it has been arranged for me to accompany Hs. sometime next week with EAC. cars to settle Sales criticisms, so will take full advantage… | ||
| scan0321 | Steering fault on the EAC 'V' Series cars and a potential solution with a new spring-damped lever. | ||
| View original record | COPY. To CJ. from Hs. Hs2/LG6.5.25. STEERING ON EAC 'V' SERIES. With reference to the attached daily report from France dated 20.4.25. This fault has been complained of on former 10,000 miles tests.… | ||
| scan0322 | Customer complaints and issues regarding the steering gear's performance on rough roads. | ||
| View original record | C O P Y. To CJ. from FN. c. to CWB. c. to H. PN5/DN11.6.25. ------------ STEERING GEAR. As affecting R-R reputation, I have too frequently to hear intended purchasers or existing R-R owners, refer to… | ||
| scan0323 | Continued memorandum page urging for a problem to be investigated further. | ||
| View original record | contd :- -2- In the consideration of this problem, there is always the danger of it becoming badly shelved, because the car is meanwhile capable of running well under ordinary conditions, and so many… | ||
| scan0324 | Copy of a telegram from Mr. Royce to CJ detailing improvements for steering issues on the New Phantom and Goshawk models. | ||
| View original record | COPY. Miss. Elias telephone for CJ :- The following is copy of telegram massage from Mr. Royce to CJ :- "Re. Steering - New Phantom and also Goshawk to a less degree. To do the best we know at the… | ||
| scan0325 | Daily report log detailing steering issues on experimental car 93-NK, the first 'V' series chassis. | ||
| View original record | DAILY REPORTS ON EXPERIMENTAL CARS. 93-NK was the first model of 'V' series chassis. DATE. REMARKS. 7.4.26 Shocks on steering wheel bad at high speeds. 12.4.26 Steering at high speeds - shocks fairly… | ||
| scan0326 | History and complexity of steering faults on the Phantom model, referencing issues like road shocks and high-speed wobbles. | ||
| View original record | To BJ. from Hs. C. to Wor. X9430 Hs5/LG20.5.26. PHANTOM STEERING. X9430 Answering your BJ8/H13.5.26. We attach extracts from reports which show clearly that the faults on the Phantom steering were… | ||
| scan0327 | Car complaints and a proposal for an inter-departmental agreement on the car's worst features. | ||
| View original record | contd :- -2- we know this to be a fact. The weaker side steering tube springs originated because of the bitter complaint we received from our testers in France of the hammering they got from the… | ||
| scan0328 | Secret memo concerning the steering arrangement on PN's car, detailing modifications made due to failures during bump tests. | ||
| View original record | To R. from Hs. c.c. to CJ. Wor. c.c. to RG. DA. c.c. to E. BY. c.c. to FN. KP. Handwritten: X9450 S E C R E T. EAC. - STEERING. Handwritten: X9450 / X9680 With reference to the steering on PN's car.… | ||
| scan0329 | Secret memo requesting further information on Hispano steering specifications and pivot inclination. | ||
| View original record | X9450 To HS. from DA. S E C R E T. DA2/M27.2.24. E. A. C. RE. STEERING. X.9450 X.4214 Further information about the Hispano steering would be useful - the loads and rating of the springs for instance… | ||
| scan0330 | Design and rating of springs for a steering tube. | ||
| View original record | To HS. from R. c. to CJ. RG. E. PN. BY. S E C R E T. E. A. C. x9450 R2/M7.3.24. SPRINGS IN STEERING TUBE. X.9450 Xx8430 X.4214 Your memo. passed mine in the post. I am not entirely in favour of… | ||
| scan0331 | Secret internal memorandum discussing the design and fitting of a longitudinal steering tube. | ||
| View original record | X.9450 To DA. from R. S E C R E T. R1/M5.4.24. c. to CJ. RG. HS. E. BY.. E.A.C. LONGITUDINAL STEERING TUBE. X.9450 N.SCHEME 1778. Fitting this with slightly set up springs and ample clearance is… | ||
| scan0332 | 40/50 steering, comparing different pivot setups and their effects on road shock and stability. | ||
| View original record | R.R. 493A (40 H) (SL 42 12-7-23). J.H., D. EXPERIMENTAL REPORT. To R. from Hs. c. to CJ. RG. c. to DA. E. c. to BY. WOR. Expl. No. X9450 REF: Hs4/LG11.4.24. S E C R E T. X9430 X9450 (crossed out)… | ||
| scan0333 | Steering wind-up, front-wheel brake testing, and pivot pin bush issues on the 40/50 model. | ||
| View original record | -2- R.R. 403A (40 H) (SL 42 12-7-23). J.H., D. EXPERIMENTAL REPORT. Expl. No. REF: Hs4/LCH.4.24. wind-up if the steering wheel is turned when the car is stationary, or the car is moving very slowly.… | ||
| scan0334 | Modification to a Side Steering Tube Joint based on instructions from Mr. Royce. | ||
| View original record | V9450 Hs. BY/C8/H. 23. 4. 24. E.A.C.III. SIDE STEERING TUBE JOINT. For your information, we give below copy of pencil note we have received from W.W. together with N.Scheme 1791, showing the Side… | ||
| scan0335 | Proposed modifications to the cross steering tube bumping wheelcase. | ||
| View original record | 19425 19450 Hs. BY6/H. 12. 5. 24. E.A.C.III. RE CROSS STEERING TUBE BUMPING WHEELCASE. I am handing you herewith a blueprint showing our proposals to modify the above scheme. We suggest turning the… | ||
| scan0336 | Modifications and design considerations for the side steering tube. | ||
| View original record | x9450 Ba. c. Hs. BY17/H. 15. 5. 24. E.A.C?III. SIDE STEERING TUBE. Referring to a7/M. 13. 5. 24, we were under the impression that you were in agreement with Hs. that it was advantageous to obtain 38°… | ||
| scan0337 | Rating specifications for spring F.1182 fitted to the 35-PK car steering tube. | ||
| View original record | Mr. Hives from GWH. K9450 19.5.24. 35-PK CAR - SPRINGS. Rating of spring F.1182 fitted to the above car -(side steering tube) Free length 1.750". Compressed. Lbs. .125 80 .1875 120 .250" 160 .3125 200… | ||
| scan0338 | Telegram requesting collection from Midland station to discuss issues with steering components. | ||
| View original record | POST OFFICE TELEGRAPHS. (22387) EM5674 20,000M 11/22 R.&Co.Ltd. E1353. Office Stamp: DERBY 21 MAY 23 No. of Telegram: 0229 Handed in at: 12-3 .M. Chichester Received here at: 12-32 M. Words: 32 To:… | ||
| scan0339 | Necessary modifications and further testing for a cross steering tube. | ||
| View original record | c. Hs. X9420 X9480 Mr. D'Aeth. BY8/H. 22.5.24. E.A.C.III. CROSS STEERING TUBE. -------------------------------- As the result of Mr. Hives' test, he is satisfied that we will have to put a bend in the… | ||
| scan0340 | Secret memo from DA to Hs. detailing instructions from Mr. Royce to investigate issues with steering and braking. | ||
| View original record | X. 9450 To Hs. from DA. SECRET. DA1/M21.5.24. E. A. C. 111. STEERING ETC. X. 9450. Mr. Royce has instructed me to come up to Derby during the time he is away, that is, until Friday evening, and to go… | ||
| scan0341 | Works order for the despatch of side steering tube springs for a 10,000-mile trial car. | ||
| View original record | R.R. 615B (50T Sets.) (SE 592 13-3-18) MP 190185 R.H.G. X9450 72556 16th June 1924. WKS. ORDER No. 50974 CHASSIS No. 10,000 mile trial car Customer's Order No. RHC/LS.16.6.24 Customer's No. Owner's… | ||
| scan0342 | The fouling of cross steering levers by wheels for balloon tyres on 40/50 HP models with 4-wheel brakes. | ||
| View original record | To R. from Hs. c. to CJ. BJ. c. to E. DA. c. to RG. BY. c. to Wor. [Handwritten]: X9450 Hs6/LG23. 9.24. 40/50 HP. BALLOON TYRES. [Handwritten]: X4565 (crossed out) [Handwritten]: X9450 We find that… | ||
| scan0343 | Telegram received by telephone requesting replacement parts including a side steering tube and springs. | ||
| View original record | RR 144A (50BKS.) (SK 871 23-5-23) MP 272631 ROLLS-ROYCE LTD. TELEGRAM RECEIVED BY TELEPHONE. +9450 (crossed out) x9450 x9941 To: Hines. Rypar Derby, Angleterre from: Chateauroux 4-20 Time Received:… | ||
| scan0344 | Expressing dislike for the appearance and functionality of a new experimental petrol tank and filler. | ||
| View original record | To By from BJ Copy to..... Hs. BJ11/H8.8.24. X9460 PETROL TANK. On the cabriolet, 40/50 H.P., sent to us to try the front wheel brakes, there was a new tank fitted at the back, with a new form of… | ||
| scan0345 | Unsatisfactory clearance in the 40/50 'U' Series petrol tank filter causing foreign matter to enter the carburetter. | ||
| View original record | BMc [struck through] c. Hs. C Wor [struck through] 49460 EP8/H 15.11.24. re. 40/50 "U" Series Petrol Tank Filter. We do not consider the above is at present satisfactory. The drawing allows a… | ||
| scan0346 | Reviewing a new steering box and pedal design on an experimental vehicle. | ||
| View original record | 49470 To DA. RG. } FROM R. E. HS. } S E C R E T. R2/M21.2.24. c. to CJ. BJ. PN. BY. EAC. STEERING BOX AND PEDALS. X.9430 X.9470 I have examined this new box on PN's experimental car and find it… | ||
| scan0347 | Design and control of the front axle, specifically regarding springs and torque management. | ||
| View original record | To RG. and HS. FROM R. c. to CJ. E. DA. BY. X9470 R2/M10.4.24. CONTROL OF FRONT AXLE. X.9470 X.3441 I have not replied to the above memo. as I expected to be home very soon. It is not likely that we… | ||
| scan0348 | Design of a brake pedal for use with a servo system. | ||
| View original record | To BY. from DA/EV. c. to CJ. HS. Wor. 49470 SECRET DA/EV1/M7.5.24. E.A.C.111. RE. PEDAL FOR SERVO LeC.1867. X.9910 X.9470 We send herewith N.sch.1802 shewing the brake pedal for use with servo on… | ||
| scan0349 | Design and comfort of a new split pedal gap plate. | ||
| View original record | X. 9470 To BY. from DA/EV. S E C R E T. DA/EV2/M7.5.24 c. to CJ. Hs. Wor. E.A.C.111. RE. PEDAL GAP PLATE. X.9470. We send herewith N.sch.1800 shewing a design of pedal gap plate which allows the… | ||
| scan0350 | Design of a split pedal foot plate and recommending the use of steel screws over brass ones. | ||
| View original record | To BY. from R. c. to CJ. RG. E. DA. HS. X9470 S E C R E T. R3/M8.5.24. EAC. 2 & 3 - PEDALS. X.9470 Tomorrow we hope to send you the drawing of the production pedal arrangement with the foot plate… | ||
| scan0351 | Engine clutch casing, inspection cover, and adjustment possibilities. | ||
| View original record | X9480 To Hs. from E. c. to CJ. BY. S E C R E T. E3/M31.1.24. E.A.C. 1. ENGINE CLUTCH CASING. X.9300 X.9480 In response to your memo. Hs2/LG22.1.24. the position of the inspection cover should allow of… | ||
| scan0352 | Comparisons and modifications for an EAC clutch, including analysis of vibration issues. | ||
| View original record | R.R. 493A (40 H) (SL 42 12-7-23). J.H., D. EXPERIMENTAL REPORT. To R. from Hs. c. to CJ. RG. c. to E. DA. c. to Wor. PN. c. to BY. Expl. No. 9480 REF: Hs3/LG12.2.24. S E C R E T. EAC. CLUTCH. Attached… | ||
| scan0353 | Calculation and diagram comparing the moment of inertia of E.A.C. and Goshawk clutch plates. | ||
| View original record | RATIO OF THE MOMENT OF INERTIA OF E.A.C & GOSHAWK CLUTCH PLATES. E.A.C. CLUTCH PLATE. SECTION. Diagram Dimensions (from top to bottom, left to right): .10, .07, .06, .09 2.5 RAD, 4.2 RAD, 7.0 RAD AXIS… | ||
| scan0354 | EAC clutch design, weight issues, and alternative friction materials. | ||
| View original record | To Hs. St. RG. E. DA ) FROM R. +9480 c. to CJ. PN. BY. EP. S E C R E T. R4/M19.2.24. EAC. CLUTCH AND SERVO LININGS. X.4388 X.9300 X.9480 Can we not try the other makes of non-metallic liner for slow… | ||
| scan0355 | Drawing No.Lec.1836 for an E.A.C. clutch, detailing a change from a steel to a ferodo driven disc. | ||
| View original record | 9480 To BY. From E. c. to CJ. RG. HS. S E C R E T. REF: E.A.C. CLUTCH. E1/M22. 2. 24. X.9300 X.9480 E.3409 We send herewith drawing No.Lec.1836., shewing the driven disc of the EAC. clutch made in… | ||
| scan0356 | Clutch dragging issues when gearbox oil is hot and the trial of a temporary clutch brake. | ||
| View original record | R.R. 493A (40 H) (SL 42 12-7-23). J.H., D. EXPERIMENTAL REPORT. Expl. No. X9480 REF: Hs1/LG25. 2. 24. To R. from Hs. c. to CJ. NG. c. to DA. E. c. to EV. WCR. S E C R E T. X9480 EAC. - CLUTCH. X9320… | ||
| scan0357 | Secret memorandum discussing potential improvements and alternatives for clutches, specifically for 'EAC's'. | ||
| View original record | 49480 To HS. ST. RG. E. DA. } S E C R E T R7/M4.3.24. c. to CJ. Wor. PN. BY. CLUTCH FOR EAC'S. X.9480 X.4244 X.9680 X.4214 Some slight improvements are needed in this before we can turn it over for… | ||
| scan0358 | Designs for a clutch brake, highlighting the need for a quick-stopping mechanism. | ||
| View original record | contd:- -2- I have gone over many ways of making a clutch brake but most of the simple ones leave the running shaft with end pressure by the spring. If my suggestions here given are not good or… | ||
| scan0359 | Secret memorandum detailing a clutch disengagement fault caused by gravity and the design of a new fitting to fix it. | ||
| View original record | To HS. from R. c. to CJ. RG. DA. E. BY. X9480 S E C R E T. R2/M12.5.24. E. A. C. X.9480 CLUTCH. X.9301 We have decided that the reason for this clutch not stopping is due to the gravity causing the… | ||
| scan0360 | Design options for an engine's exhaust ejector and cutout system. | ||
| View original record | To E. from R. c.c. to CJ. RG. DA. HS. Wor. BY. X9490 S E C R E T. E. A. C. R2/MS.2.24. RE. EXHAUST HEATING OF THROTTLE AND CUTOUT. X.9490 Re. the lower ejector, it should be a slight advantage to the… | ||
| scan0361 | Page two of a document discussing the fitting of a component to the rear of a silencer. | ||
| View original record | contd:- -2- but possibly it might be if fitted at rear of silencer where it was quite cool and could be made a close and good piece of work. R. | ||
| scan0362 | Need for a new exhaust, silencer, and cutout system for the E.A.C. engine. | ||
| View original record | To E. HS. FROM R. S E C R E T. E.A.C. ENGINE. X.9490 X.9080 X.9230 It is quite evident we must have a better exhaust, silencer, and cutout system, especially for the early EACs. I have already… | ||
| scan0363 | Secret internal report on alterations to brake systems, exhaust pipes, and silencers. | ||
| View original record | To R. from E. c. to CJ. HS. BY. X9490 S E C R E T. E1/M27.3.24. E.A.C. WW. REPORT. X.9940 X.9230 X.9490 As many as possible are working on the brake systems to be finished this week. There is however… | ||