Rolls-Royce Archives
| Identifier | Entry | ||
| Scan001 | Proposed sandblasted finish on road springs to improve paint adhesion, awaiting coachbuilder feedback. | ||
| View original record | X2658 X4429 R from Wd. c.to G.F. c.to W.H. c.to Py. c.to Da. c.to Hs. c.to C.(Sales) WD/NJ.24.9.20. Re Road Springs. In your letter R4/G2.7.20. to Mr. Fawcett of Thos. Firth & Sons Ltd. you pointed… | ||
| Scan002 | Follow-up letter regarding a sample of sand-blasted steel for road springs and a request for a report on its paintability. | ||
| View original record | X2628 X4429 HS RECEIVED 5 NOV 1920 Wd1/WJ.5.11.20. R. from Wd. c.to CJ. c.to Wr. c.to By. c.to Bs. c.to Hs. c.to C.(Sales). (struck through) Re Road Springs. In my note W42/WJ24.9.20 I gave you copy… | ||
| Scan003 | Micro-examination report on samples of Firth's Air Hardening Gear Steel. | ||
| View original record | R R 402 (b H) (S H 828. 31-12-20) ROLLS-ROYCE LIMITED. LABORATORY. Y4429 c-to HY. Hs MICRO-EXAMINATION REPORT. DETAILS RE SPECIMEN. Date received..4.10.21. From..Firth's For..Samples for test. Micro… | ||
| Scan004 | The continued chemical analysis and conclusions regarding the properties and heat treatment of a steel specimen. | ||
| View original record | ANALYSIS--Continued. Sulphur - - - - % Phosphorus. - - - - % Arsenic - - - - % Tungsten - - - - % Titanium - - - - % Molybdenum - - - - % Copper - - - - % Zinc - - - - % Antimony - - - - % Tin - - - -… | ||
| Scan005 | Tensile tests on two sample bars of Firth's Air Hardening Gear Steel from Cast No. T5122 and Cast No. T5647. | ||
| View original record | (1) F.R. 28A(100T) (S.G. 648, 19-2-20) G. 2018 Rg. C. By. H15/24.10.21. Laboratory. Tensile Tests on two sample bars of Firth's Air Hardening Gear Steel from Cast No. T5122 and Cast No. T5647 (see… | ||
| Scan006 | Results of metallurgical tests on various test bars. | ||
| View original record | R.H. 228a (100 T) (S.G. 642, 19-2-20) G. 251a (2) No. of Test Bar. Brinell. Ult. Str. Y.P. Elong. % 2" R.A. 5122/1 229 51.28 42.24 24.4 64.4 5122/2 Scrapped in machining. 5122/3 444 103.20 Indefinite.… | ||
| Scan007 | Communications with a supplier regarding the manufacture and testing of Goshawk 11 laminated road springs. | ||
| View original record | Hs. from Wd. c. to Wor. c. to By. c. to Ex. c. to Hy. c. to Roy. c. to Hs. X4429 Wd1/NJ4.11.21. X4429 "Goshawk 11" - Laminated Road Springs. On the 17th Sept. 1921, we sent to Thos. Firth & Sons Ltd.… | ||
| Scan008 | Contract with Firths for the supply of laminated road springs and decisions required for testing. | ||
| View original record | - 2 - Wdl/NJ4.11.21. Our Contract with Firths provides that they are to be in a position to supply laminated road springs to us by approximately 1st January next, and their arrangements are being made… | ||
| Scan009 | Testing timeline and necessity of Firths springs for the Goshawk 11. | ||
| View original record | Wd. from Hs. c. to HY. c. to HCR. X4429 5th. Nov. 1921 Hs3/LGS.1121. X4429 FIRTHS SPRINGS FOR GOSHAWK 11. X4261 X4262 It will take us at least three months to prove Firths springs. If we come across… | ||
| Scan010 | Progress report on the manufacture of trial laminated road springs for the 'Goshawk 11'. | ||
| View original record | Hs. from Wd. c. to Wor. c. to By. c. to EP. c. to Hy. c. to Roy. c. to Ms. [Stamp: RECEIVED NOV 1921] X4629 Wd2/NJ8.11.21. X4629 "Goshawk 11" - Laminated Road Springs. Mine Wd1/NJ4.11.21 Following… | ||
| Scan011 | Hardening trials and delivery timelines for six trial sets of Chrome Vanadium Steel springs from a supplier named Firths. | ||
| View original record | - 2 - If Friday's trial of hardening is satisfactory, Firths will be able to give us a more considered opinion as to the date of delivery of the six trial sets of springs. Not a moment will be lost,… | ||
| Scan012 | Delay in testing hardening dies for Goshawk 11 laminated road springs due to a draughtsman's error. | ||
| View original record | Hs. from Wd. c. to Wor. c. to By. c. to EP. c. to Hy. c. to Roy. c. to Me. X4429 FC NOV RECEIVED Wd1/NJ15.11.21. X4429 "Goshawk 11" - Laminated Road Springs. Mine Wd2/NJ8.11.21. I regret to have to… | ||
| Scan013 | Expressing disappointment over a four-week delay for laminated road springs from supplier Firths. | ||
| View original record | To Wd. - from Wor. c. to Hs. " " BY. " " EP. " " Hy. " " Roy. " " Ms. X4429 I am astonished and disappointed that we have to wait probably four weeks from the date of your memo, before we can expect… | ||
| Scan014 | Correspondence with Thos. Firth & Sons about supplying main plates for Goshawk 11 laminated road springs. | ||
| View original record | Hs. from Wd. c. to Wor. c. to By. c. to EP. c. to Hy. c. to Roy. c. to Ms. X4419 RECEIVED NOV 18 1921 Wd/18.11.21. "Goshawk 11" - Laminated Road Springs. Mine Wd2/NJ8.11.21 and Wd1/NJ15.11.21, and… | ||
| Scan015 | Letter from a supplier regarding the manufacture and delivery of 'Goshawk 11' Laminated Road Springs. | ||
| View original record | C O P Y. ----- Letter from:- THOS.FIRTH & SONS LIMITED, Steel Department, Norfolk Works, Sheffield. Ref.- JWF/AC. Messrs.Rolls-Royce Ltd., 17th Nov.1921. Nightingale Road, Derby. Dear Sirs, "Goshawk… | ||
| Scan016 | Letter from Thos. Firth & Sons Ltd. regarding a delay in supplying springs and progress on hardening dies. | ||
| View original record | Messrs.Rolls-Royce Ltd. - 2 - 17th Nov.1921. Mr.Whitehead's visit last week we were unaware that we should be called upon to supply any springs until well in the new year. If you wish us to still… | ||
| Scan017 | Sourcing of 'top leaves' from Firths and a proposal for in-house manufacturing of 'top plates' for experimentation. | ||
| View original record | To Wd. - from Wor. c. to Hs. c. to Bl. c. to EP. c. to Hy. c. to Roy. [struck through] c. to Nev. [struck through] Xc429 FO Wor10/M18.NOV.219 [Stamp: RECEIVED] Wd1/NJ18.11.21. I am very pleased to… | ||
| Scan018 | Alterations to 'Goshawk 11' laminated road springs and the subsequent supplier delays. | ||
| View original record | Hs. from Wd. c. to Wor. c. to By. c. to Ef. c. to Hy. c. to Roy. c. to Ms. X.4429 Wd1/NJ19.11.21. "Goshawk 11" - Laminated Road Springs X4429 On the 17th inst. I notified Thos.Firth & Sons of certain… | ||
| Scan019 | Reply from a supplier regarding laminated road springs for the Goshawk 11 project. | ||
| View original record | Hs. from Wd. c. to Wor. c. to Ey. c. to EF. c. to Hy. c. to Roy. c. to Ms. X4629 U.W. Wd3/NJ22.11.21. "Goshawk 11" - Laminated Road Springs. A copy of Wor's note ref.- Wor10/M18.11.21 was duly sent to… | ||
| Scan020 | Confirming an order for Chrome Vanadium Spring Steel for Goshawk 11 Laminated Road Springs. | ||
| View original record | Hs. from Wd. c. to Wor. c. to Dy. c. to Ep. c. to Hy. c. to Roy. c. to Ms. X4429 RECEIVED Wd2/NJ24.11.21. "Goshawk 11" - Laminated Road Springs. Upon receipt of Wor's note ref.- Wor5/M22.11.21, I… | ||
| Scan021 | Letter from supplier Thos. Firth & Sons regarding production delays for 'Goshawk 11' laminated road springs. | ||
| View original record | X4429 HS- COPY OF LETTER RECEIVED FROM:- THOS. FIRTH & SONS, LIMITED, NORFOLK WORKS, SAVILLE STREET EAST, SHEFFIELD. Please Refer to SPRING DEPT. MF/WEW. Messrs Rolls-Royce Ltd., Nightingale Road, D E… | ||
| Scan022 | Notification from Thos. Firth & Sons, Limited regarding their works closure for Christmas. | ||
| View original record | S.R. 100 T) (S.H 798 10-12-20) G. 2347 -2- We also wish to notify you that our works will be closing down for Christmas from Friday night next, 23rd Dec., to Tuesday morning, 3rd Jan., with the… | ||
| Scan023 | Letter from a supplier regarding the first delivery of Goshawk II laminated road springs made from Chrome Vanadium Steel. | ||
| View original record | R.R. 199 (250T) (SD676 19-2-17) MP18086S M Hives X4429 COPY OF LETTER FROM:- MESSRS. THOS. FIRTH & SONS LIMITED. NORFOLK WORKS, SHEFFIELD. 29th December. 1921. X4429 STEEL DEPARTMENT. JWF/AC. Messrs.… | ||
| Scan024 | Quoting a letter from a supplier regarding the delivery of Goshawk II Laminated Road Springs. | ||
| View original record | X4429 Wor. from Wd. c. to Hs. c. to By. c. to Er. c. to Hy. c. to Ms/Dn. "Goshawk 11" - Laminated Road Springs. Yours Wor10/M18.11.21. We are now in receipt of a letter from Thos.Firth & Sons Ltd. as… | ||
| Scan025 | Manufacturing progress and delays of an order for Goshawk 11 laminated road springs. | ||
| View original record | Mem. from Wd. c.to Hs. c.to By. c.to FP. c.to Hy. c.to LB/Dr. X4429 Wd2/F.11.1.22. "Goshawk 11" - Laminated Road Springs. X4429 I confirm mine Wd2/NJ2.1.22. In response to a letter of enquiry which I… | ||
| Scan026 | The disappointing bump test results for Firths springs on the Goshawk 11. | ||
| View original record | X4429 To H. from Hs. c. to CJ. c. to R. c. to De. c. to BY. c. to EP. c. to Wor. c. to Wd. Hs1/LG17.1.22. FIRTHS SPRINGS FOR GOSHAWK 11. X2628 (crossed out) X4429 X4219 Under pressure from us, Messrs.… | ||
| Scan027 | Visit to Firths regarding the production and testing of 'Goshawk 11' laminated road springs. | ||
| View original record | By. From Wd. e. to Wor. e. to Hs. e. to Roy. e. to Ms/Dr. X4429 Wd1/NJ21.1.22. "Goshawk 11" - Laminated Road Springs. X4429 By15/P16.1.22, Hs1/LG17.1.22 and By7/P17.1.22. With a view to ascertain what… | ||
| Scan028 | The supply and specifications of springs from supplier Firths, detailing materials and plate thicknesses. | ||
| View original record | - 2 - in poundage and camber will not affect them, whereas an alteration in width of plates or dimensions of solid and rolled eyes would do so) and we give them not later than Monday, 23rd inst.… | ||
| Scan029 | Scheme for ordering springs from the supplier, Firths. | ||
| View original record | - 3 - Wd1/NJ21.1.22. springs. At the same time they thank us for the timely warning. (k) As regards the latest scheme for ordering springs by which no cambers are specified in the free condition, I… | ||
| Scan030 | Outlining the extensive requirements and frustrations regarding the testing of Firths springs for the Goshawk 11. | ||
| View original record | To Wd. from Hs. c. to EY. c. to Wor. c. to Roy. c. to Ms/Dn. X4429 Hs4/LGS3.1.22. FIRTHS SPRINGS FOR GOSHAWK 11. X4429 We should like to point out that it is quite impossible for us to make complete… | ||
| Scan031 | Letter discussing the ordering and testing requirements for 'Goshawk 11' laminated road springs with supplier Thos. Firth & Sons Ltd. | ||
| View original record | By. from Wd. c. to War. c. to Hs. c. to Roy. c. to Ms/Dr. X4429 RECEIVED X4429 "Goshawk 11" - Laminated Road Springs. In view of the remarks in By2/P24.1.22 and Hs4/LG23.1.22, I wrote Thos. Firth &… | ||
| Scan032 | Typed memo indicating a follow-up action upon receiving a reply. | ||
| View original record | - 2 - Wd1/NJ25.1.22. Upon receipt of Firth's reply to our letter of yesterday, I will communicate same to you. Wd. | ||
| Scan033 | Correspondence with Thos. Firth & Sons Ltd. concerning the design and testing of Goshawk II laminated road springs. | ||
| View original record | X4429 By. From Wd. c. to Hs. c. to Roy. c. to Ms/Dr. RECEIVED C.D. JAN 28 Wd9/NJ27.1.22. "Goshawk II" - Laminated Road Springs. X4429 Further to mine Wd1/NJ25.1.22, we are now in receipt of a letter… | ||
| Scan034 | Reports on 'Goshawk 11' Laminated Road Springs and arranging a meeting with Thos. Firth & Sons Ltd. | ||
| View original record | By from Wd. c.to Mer. c.to Hs. c.to Roy. c.to CO/Dn. X4429 Wd1/NJ14.2.22. "Goshawk 11" - Laminated Road Springs. X4429 At the request of Thos.Firth & Sons Ltd. I visited their Works this morning.… | ||
| Scan035 | 105-hour bumping test of the Goshawk 11 chassis, detailing spring failures and future test plans. | ||
| View original record | To E. from Hs. c. to CJ. c. to Da. c. to BY. c. to EP. c. to Wor. X4429 Hs5/LG14.2.22. X4429 GOSHAWK 11. BUMPING TEST. X4329 X4219 We have completed 105 hours bumping test on the rear of the Goshawk… | ||
| Scan036 | The production of a sample set of 'Goshawk II' laminated road springs for testing. | ||
| View original record | Hs FEB 23 1922 RECEIVED X4429 By:from Wd. c. to Wor. c. to Hs. c. to Roy. c. to Me/Dr. Wd1/NJ23.2.22. "Goshawk II" - Laminated Road Springs. Referring to mine Wd1/NJ14.2.22 and the visit of… | ||
| Scan037 | Letter from Thomas Firth & Sons confirming agreements on the design and manufacture of laminated springs for a Goshawk ll. | ||
| View original record | COPY OF LETTER RECEIVED FROM:- THOMAS FIRTH & SONS, LIMITED, NORFOLK WORKS, SHEFFIELD. STEEL DEPARTMENT. JWF/AC. Messrs. Rolls-Royce Limited, Nightingale Road, D E R B Y. 22nd Feb. 1922. Dear Sirs, We… | ||
| Scan038 | Letter regarding material considered as scrap and proceeding with the design of new springs. | ||
| View original record | Messrs. Rolls-Royce Ltd. -2- 22nd Feb. 1922. can now only be considered as scrap. We shall, however, endeavour to use as much of this material as possible so as to reduce the loss to a minimum. We are… | ||
| Scan039 | Disagreement with supplier Firths and Sons over the quality of manufactured road springs. | ||
| View original record | Wd. from Hs. c. to BY. c. to Wor. c. to Roy. c. to Ms. X4429 Hs2/LG24. 2. 22. GOSHAWK 11. FIRTHS ROAD SPRINGS. X.4429. With reference to Wd1/WJ23. 2. 22. enclosing a copy of letter from Messrs. Firths… | ||
| Scan040 | The delivery and specifications of laminated road springs for the Goshawk 11 project. | ||
| View original record | R.B. 244a (100 T) (S.H. 798.10-12-20) G. 2948 X4429 By. from Wd. c. to Wor. c. to Hs. c. to Roy. c. to Ms/Dn. RECEIVED STAMP: HB 27 FEB 1922 Wd1/NJ/27.2.22. "Goshawk 11" - Laminated Road Springs.… | ||
| Scan041 | Delivery delay and material specifications for Goshawk 11 laminated road springs. | ||
| View original record | By. from Wd c.to Wor. c.to Hs. c.to Roy. c.to MS/Dn. X4429 Wd3/NJ7.3.22. "Goshawk 11" - Laminated Road Springs. In my note Wd1/NJ27.2.22 I conveyed to you a message from Firths, to the effect that… | ||
| Scan042 | Delay and material specification issue with an order for 'Goshawk ll' laminated road springs from Thos. Firth & Sons Ltd. | ||
| View original record | By from Wd. (struck through) c. to Wor. (struck through) c. to Hs. c. to Roy. (struck through) c. to CC/Dn. (struck through) Y4429 Wd3/NJ24.3.22. "Goshawk ll" - Laminated Road Springs. Y4429 In my… | ||
| Scan043 | Delay in delivering Goshawk 11 laminated road springs due to labour issues at the supplier, Thos. Firth & Sons Ltd. | ||
| View original record | Ry. from Wd. c. to Wcr. c. to Hs. c. to Roy. c. to OG/Dn. RECEIVED X4429 Wd3/NJ3.4.22. Goshawk 11" - Laminated Road Springs. In my note Wd3/NJ24.3.22 I conveyed to you a message from Thos.Firth & Sons… | ||
| Scan044 | Letter forwarding a copy of correspondence from Thos. Firth & Sons Ltd. about the delivery and testing of 'Goshawk 11' laminated road springs. | ||
| View original record | X4429 Dy from Wd. c. to Wcr. c. to Hs. c. to Roy. c. to OO/Dn. Handwritten: Mr. Warner Please follow up & see reported on. Action after Thos. S-Firth ED 13/4/22 Stamp: RECEIVED APR 11 1922… | ||
| Scan045 | Letter concerning the load test results for 'Goshawk 11' laminated road springs. | ||
| View original record | By. from Wd. c.to Wor. c.to Hs c.to Roy. c.to GD/Da. Y4429 Hs REC'D APR 12 1922 Wd1/NJ12.4.22. "Goshawk 11" - Laminated Road Springs. I confirm mine Wd1/NJ11.4.22 and give you below copy of a further… | ||
| Scan046 | Table of loading tests for front and rear springs. | ||
| View original record | TABLE OF. LOADINGS RETURNED UNDER TEST BY MESSRS. ROLLS ROYCE FRONT & REAR SPRINGS. ----------------- Spring No. Deflection. Loading. cwts.qrs.lbs. Spring No. Deflection. Loading. cwts.qrs.lbs R E A… | ||
| Scan047 | Confirming an agreement following a conversation and forwarding an attached note addressed to CJ. | ||
| View original record | X4429 ? Rd. By. He. ROY10/FJ9-8-22. Following our conversation this afternoon, attached please find copy of note I have now addressed to CJ. with which I understand you are in full agreement. ROY. | ||
| Scan048 | Letter detailing delays and testing issues regarding Firth's Axle Springs. | ||
| View original record | CL. ROY1/FJ-9-8-22. eH Yours OJ9/D3.8.22 re Firth's Axle Springs. Wd. handed me last October a copy of Firth's Agreement dated 20-7-20 which provides that they will accept our Axle Spring Orders from… | ||
| Scan049 | Supply chain difficulties with spring suppliers Firths and Woodheads. | ||
| View original record | -2- this matter and Wd. and I have advised their Officials from time to time of developments. We were in hopes that no trouble would have arisen under this head and probably such would have been the… | ||
| Scan050 | Confirming a conversation about an early report on 'Goshawk' Front Axle Springs. | ||
| View original record | Hs. X4429 Roy5/W16. 8. 22 FIRTH'S AXLE SPRINGS. I would confirm our conversation of the 9th. inst., and emphasise the importance of an early report being supplied on the "Goshawk" Front Axle Springs… | ||
| Scan051 | The testing and delivery status of Goshawk 11 laminated road springs from Firth's. | ||
| View original record | Hs. from Wd. Y4429 Wd5/NJ18.8.22. "Goshawk 11" - Firth's Laminated Road Springs. RHC. informed me at 12.30 p.m. today that the pair of front springs (Firths) you have had on bumping test have not… | ||
| Scan052 | Arranging a visit from Thos. Firth & Sons Ltd. to discuss laminated road spring manufacturing and collection by a 'Goshawk 11' experimental car. | ||
| View original record | X4429 By. from Wd. c.to Wor. c.to Hs. c.to Hl. c.to Roy. Wd3/NJ4.9.22. Laminated Road Springs - Thos Firth & Sons Ltd. On the 29th ult. we wrote this firm that we had then carried our tests of their… | ||
| Scan053 | Laminated road springs from supplier Thos. Firth & Sons Ltd., discussing proposals for new top plates and instructions for centre bolts. | ||
| View original record | By. from Wd. c. to Wor. c. to Hs. c. to Roy. c. to Co/Da. X4429 HS STT 1922 RECEIVED Wd8/NJ7.9.22. Laminated Road Springs - Thos.Firth & Sons Ltd. Hereto I attach copy of letter from Thos.Firth & Sons… | ||
| Scan054 | Letter from a steel supplier regarding the testing of different types of steel for springs. | ||
| View original record | C O P Y. -------- Letter from:- THOS. FIRTH & SONS LIMITED, Norfolk Works, Sheffield. Steel Dept. --------------------------------- Messrs.Rolls-Royce Ltd., Nightingale Road, Derby. September… | ||
| Scan055 | Bumping tests conducted on various car springs, discussing material composition and design modifications. | ||
| View original record | COPY. ROLLS-ROYCE SPRINGS. On visiting Messrs.Rolls-Royce Ltd. on Tuesday, September 5th, we were informed that the bumping tests were as follows:- Spring No. Brinell Hours run 1st Off side (R.5) 388… | ||
| Scan056 | Continuation of a report detailing specifications for car springs, including materials and specific design points. | ||
| View original record | COPY. ROLLS-ROYCE SPRINGS (contd) -2- put in hand 2 pairs with the .500" initial camber in Chrome Vanadium, and the other 2 pairs in Silico Manganese Steel. It was pointed out to Messrs.Rolls-Royce… | ||
| Scan057 | Letter from Thos. Firth & Sons Limited concerning the dispatch of experimental springs and the repair of broken top leaves. | ||
| View original record | Mr Hives X4429 COPY OF LETTER FROM:- THOS. FIRTH & SONS LIMITED. NORFOLK WORKS SHEFFIELD. X4429 8.9.22 Please refer to SPRING DEPT. MMB/WEW Messrs. Rolls-Royce Ltd., Nightingale Road, DERBY. Dear… | ||
| Scan058 | Letter from a supplier regarding the testing and supply of laminated road springs. | ||
| View original record | X4429 c Hs e6157 COPY OF LETTER FROM:- THOS. FIRTH & SONS LIMITED. NORFOLK WORKS SHEFFIELD. STEEL DEPT. JWF/AC. 28th Sept.1922. Messrs. Rolls-Royce Limited., Nightingale Road, D E R B Y. Dear Sirs,… | ||
| Scan059 | Forwarding a letter from Thos. Firth & Sons Ltd. regarding road springs for comment. | ||
| View original record | X4429. Hs. ~~c. to Mr.~~ Wd/Dn3/HP29.9.22 have sent you We attach copy of a letter received this morning from Messrs. Thos. Firth & Sons Ltd. Sheffield. regarding road springs, and shall be glad to… | ||
| Scan060 | Difficulty in pre-fixing the poundages for 'Goshawk 11' laminated road springs. | ||
| View original record | Wor. from Wd. c.to Ev. c.to El. c.to Hs. c.to Roy. Hs V4429 RECEIVED OCT 18 1922 Wd6/NJ18.10.22. "Goshawk 11" Laminated Road Springs. I attach hereto copies of correspondence, as follows:- My note… | ||
| Scan061 | Request for a weekly list of 'Goshawk 11' orders to assist in estimating laminated road spring requirements. | ||
| View original record | COPY G.(Sales) from Wd. Wd11/NJ5.10.22. "Goshawk 11". Can you possibly arrange to send weekly a list of orders booked during the week for "Goshawk 11" chassis and cars, indicating the type of body in… | ||
| Scan062 | Production estimates for the Goshawk 11 model, specifically the ratio of special to standard bodies and the resulting requirements for springs. | ||
| View original record | S/W. Wd. COPY C18/C13.10.22. Re Goshawk 11. Wdll/WJ5.10.22. --------- I shall be able to give you this information when we settle down to ordinary business, but I am afraid during the next two or… | ||
| Scan063 | Implications of 'Goshawk 11' sales on the required range of spring poundages. | ||
| View original record | COPY. C.(Sales) from Wd. WD/NJ/16.10.22. "Goshawk 11" (C18/C13.10.22). I am delighted to learn that your sales of "Goshawk 11" will absorb output for some time to come, and note your impression that… | ||
| Scan064 | Requesting a report on Firth Axle Springs for the 'Goshawk' project and considering a further order with Woodhead. | ||
| View original record | X4429 Hs. from ROY. ------------------ ROY11/MG/23.10.22 It would help us considerably in our arrangements for Material Supplies in connection with "Goshawk" if you could possibly urge the report on… | ||
| Scan065 | Cover letter regarding a circular from Ferodo Ltd. about fabric interleaving for laminated road springs. | ||
| View original record | Hs X4429 RECEIVED OCT 24 1922 By from Wd. c. to Hs. c. to EP. c. to Hm. c. to Wor. c. to Roy. Wd1/NJ24.10.22. Ferodo Ltd. Fabric Interleaving for Laminated Road Springs. I hand you herewith copy of a… | ||
| Scan066 | Letter from Ferodo Limited announcing a new fabric interleaving for motor car and lorry springs. | ||
| View original record | Copy of letter received from:- FERODO LIMITED, SOVEREIGN MILLS, CHAPEL-EN-LE-FRITH. Ref.- P Dept. 12. 20th October, 1922. (Friday) A FABRIC INTERLEAVING. Dear Sirs, We are pleased to announce that we… | ||
| Scan067 | Testing Axle Springs from Messrs. Firth and ordering supplies from Woodhead for the 'Goshawk' project. | ||
| View original record | X4429 Hs. from ROY. c. to Wor. c. to By. c. to Wd. ----------------- ROY10/LG7.11.22 ----------------- Following our conversation re testing Axle Springs ex Messrs. Firth, I understand it will be at… | ||
| Scan068 | Urgent reminder to proceed with the purchase of 100 sets of 'Goshawk' Axle Springs from Messrs. Firth. | ||
| View original record | X4429 Hs. from ROY. ------------------ ROY14/MG17.11.22 ------------------ Just a line to remind you that we agreed last Tuesday to proceed with the purchase of 100 sets of "Goshawk" Axle Springs ex.… | ||
| Scan069 | Internal memorandum discussing the material selection for Firths springs, comparing Chrome Vanadium and Silico Chrome. | ||
| View original record | R.R. 199 (250T) (SD676 19-7-17) M P & S X.4429 c. Hd. c. Roy. c. Hs. BY6-P20.11.22. GOSHAWK 11. FIRTHS SPRINGS. X4429 With reference to the question of material for Firths springs, after giving the… | ||
| Scan070 | Letter detailing the required poundages for two sets of Firth's 40/50 HP springs intended for experimental cars. | ||
| View original record | By. from Wd. c. to Hs. 4429 Wd3/NJ16.1.23. RECEIVED JAN 1923 Firth's 40/50 H.P. Springs. Referring to yours By4/P10.1.23, I hand you herewith copy of Firth's letter of 13th inst. When communicating to… | ||
| Scan071 | Letter from supplier Thos. Firth & Sons discussing issues and solutions for laminated road springs for a 40/50 HP Chassis. | ||
| View original record | Copy of letter from:- THOS. FIRTH & SONS LIMITED, Norfolk Works, Sheffield. Ref.- Steel Dept. JWF/AC. 13th Jan. 1923. Messrs. Rolls-Royce Limited, Nightingale Road, Derby. Dear Sirs, Laminated Road… | ||
| Scan072 | Copy of a letter from Thos. Firth & Sons Limited thanking the recipient for assistance with springs and hoping for future bulk production. | ||
| View original record | Copy of letter from:- THOS. FIRTH & SONS LIMITED - 2 - 13th Jan.1923. We wish to take this opportunity of conveying to you our best thanks for the trouble you are taking over these springs and the… | ||
| Scan073 | Instruction to return front and rear springs to supplier Thos. Firth & Sons Ltd for correction. | ||
| View original record | L4429 D/DD c. to Hy/Mr Chatwin c. to Hy/Wks c. to Hs. Wd/Dn2/HP18.1.23. Please despatch by goods train, carriage paid, to Messrs. Thos. Firth & Sons Ltd., Norfolk Works, Saville Street, East.… | ||
| Scan074 | Testing and rebuilding of Firth's 40/50 HP springs. | ||
| View original record | By, from Wd. c.c to Hs. Y4429 Wd14/NJ9.2.23. Firth's 40/50 H.P. Springs. In yours By4/F10.1.23 you remarked that Hs. is afraid to recommend the adoption of Firth's springs at once, as the plates… | ||
| Scan075 | Test data for a Firths rear road spring, showing weights applied and released. | ||
| View original record | Mr. Hives. from GWH. X4429 16.3.23. REAR ROAD SPRING - FIRTHS. 2200 lbs. 10 plates. | | Weight applied. | Weight released. | |:--- |:--- |:--- | | ½ | 518 | 441 | | 1 | 847 | 882 | | 1½ | 1323 | 1183… | ||
| Scan076 | The receipt and specifications of two sets of Firth's 40/50 HP chassis road springs. | ||
| View original record | TW429 c. to Hs. Wd/Dn15/HP26.3.23. Firth's 40/50 H.P. Chassis Springs. Further to ours of the 9th ultimo. reference Wd14/NJ9 223. We now have to report that we have received from Messrs. Firth & Sons… | ||
| Scan077 | Questioning the proposed change of road spring supplier from Woodheads to Firths for the 40/50 and 20 hp models. | ||
| View original record | To Hs. from BJ. BJ5/H12.4.23. X4429 Standardisation Sheet 4419. Road Springs made by Firths in Place of Woodheads. 40/50 and 20 hp. With reference to Standardisation Sheet 4419, concerning using… | ||
| Scan078 | Standardisation sheet concerning the supply of Firths road springs for the 20HP chassis. | ||
| View original record | BJ. C.Hs. BY1-P14.4.23. STANDARDISATION SHEET FOR FIRTHS ROAD SPRINGS. 20HP. Referring to BJ5/Hl2423, the position in regard to Firths road springs for the 20HP chassis, which is the only one we are… | ||
| Scan079 | Reasoning behind an agreement with Messrs. Firths to reduce dependency on Woodheads for springs. | ||
| View original record | BY1-P14.4.23. contd. - 2 - The original reason why Messrs. Firths were approached was because R. did not care for us being dependent on Woodheads alone, he was also doubtful whether their methods were… | ||
| Scan080 | The incomplete standardisation sheet for Firths springs on the 20HP chassis, requiring signatures before use. | ||
| View original record | Y4429 Hs. BY5-P11.4.23. 20HP SPRINGS. I have just discovered that we have not got a completed standardisation sheet for the use of Firths springs on the 20HP chassis, and as there are certain distinct… | ||
| Scan081 | Process of obtaining signatures for the 20HP Firths Road Springs standardisation sheet. | ||
| View original record | HS. BY5-P18.4.23. 20HP. STANDARDISATION SHEET FOR FIRTHS ROAD SPRINGS. I am handing you herewith copy of BJ19/H16423 with the standardisation sheet you supplied me with signed up by BJ. You will note… | ||
| Scan082 | Standardisation sheet for 20HP Firth's Road Springs. | ||
| View original record | COPY. BY. from BJ. BJ19/H16.4.23. Standardisation Sheet for Firth's Road Springs. 20HP. With reference to BY1-P14.4.23, I return the Standardisation sheet herewith, which I have signed. Please send a… | ||
| Scan083 | Standardisation of Firths road springs to replace Woodheads for the 40/50 and 20 HP models. | ||
| View original record | X4429 BY. from Hs/TMW. Hs/TMW2/LG13.4.23. RE. STANDARDISATION OF FIRTHS ROAD SPRINGS IN PLACE OF WOODHEADS - 40/50 and 20 HP. We attach copy of note we have received from BJ. ref. BJ5/H12.4.23. also… | ||
| Scan084 | Standardisation of chassis parts, specifically road springs made by Firths to replace Woodheads. | ||
| View original record | R R 755 (5 M) (S.H. 187, 20-8-20) G. 2807. X4429 COMPLETED 26.4.23. STANDARDISATION of CHASSIS PARTS. Description of Parts. 40/50HP and GOSHAWK. ROAD SPRINGS MADE BY FIRTHS IN PLACE Of WOODHEADS.… | ||
| Scan085 | The cost figures for road springs made by Firths instead of Woodheads. | ||
| View original record | COPY. Hs. from Hy/JW. Hy/JW/N3/139/B 8.1.23. Re. Standardisation Sheet X.4419. ROAD SPRINGS MADE BY FIRTHS IN PLACE OF WOODHEADS. We return herewith copy of above standardisation sheet, but regret to… | ||
| Scan086 | Supply of road springs for the 40/50 chassis, comparing suppliers Firths and Woodheads. | ||
| View original record | Mr Hancock X4429 HS. BYS-P27.4.23. 40/50 CHASSIS. ROAD SPRINGS. Now that we have standardised Firths springs for Goshawk and are at liberty to use either Woodheads or Firths, it is possible that in… | ||
| Scan087 | The signing of a standardisation sheet for road springs made by Firth's. | ||
| View original record | TO HS/LG. FROM DA. I return the standardisation sheet re. road springs made by Firth's, signed. I did not appreciate that I was meant to sign it as it appeared to have been already agreed to by the… | ||
| Scan088 | Standardisation of road springs made by Firths in place of Woodheads for 40/50 and Goshawk chassis. | ||
| View original record | B R 755 (5 H) (S.H. 187, 20-8-20) G. 3807. STANDARDISATION OF CHASSIS PARTS. Description of Parts. 40/50 and GOSHAWK. ROAD SPRINGS MADE BY FIRTHS IN PLACE OF WOODHEADS. Origin. To ensure constant… | ||
| Scan089 | Standardisation sheet X.4419, concerning the cost of replacing Woodheads' road springs with Firths'. | ||
| View original record | C O P Y. Hs. from My/JW. My/JW/N3/139/B 6.1.23. Re. Standardisation Sheet X.4419. ROAD SPRINGS MADE BY FIRTHS IN PLACE OF WOODHEADS. We return herewith copy of above standardisation sheet, but regret… | ||
| Scan090 | Letter from Thos. Firth & Sons, Ltd. discussing the performance and friction testing of experimental 40/50 HP springs. | ||
| View original record | Telegraphic Address: 'FIRTH SHEFFIELD' Telephone (3 lines): 3230 CENTRAL, SHEFFIELD Codes: A.B.C, WESTERN UNION, A.1. BENTLEYS, LIEBERS. ETC. THOS FIRTH & SONS, LIMITED NORFOLK WORKS SHEFFIELD London… | ||
| Scan091 | Letter from a supplier discussing the friction of front and rear springs and requesting guidance for modifications. | ||
| View original record | Messrs Rolls Royce Ltd. - 2 - August 25th,1923. order of difference. It will be noted that the friction in the front Springs is in the same order in both makes, although of a smaller nature than in… | ||
| Scan092 | Supply and comparative testing of road springs from suppliers Firths and Woodheads for the 40/50 chassis. | ||
| View original record | X4429 Wd. c. Hs. BY10-P5.9.23. 40/50 CHASSIS - ROAD SPRINGS. Referring to Messrs. Firths letter of the 22nd ultimo., in which they point out that we should place a bulk order with them for 50 sets of… | ||
| Scan093 | The 'high nip' characteristic of laminated road springs supplied by Thos. Firth & Sons Ltd for a 40/50 HP Chassis. | ||
| View original record | [Handwritten text] XW429 As have you made check tests on these By [Typed text] Dn. from Wd. C. to By. Wd9/NJ7.12.23. 40/50 H.P. Chassis. Order 23394 - Laminated Road Springs. I return herewith back… | ||
| Scan094 | Standardising the supplier for 40/50 chassis springs to Messrs. Firths. | ||
| View original record | To: Hs. C.Wd K1429 BY9-P7.4.24. 40/50 CHASSIS SPRINGS. In view of our conversation where it was pointed out by you that Messrs. Firths/springs were giving the same regularity of life and the same… | ||
| Scan095 | Load diagram for a Firth's front spring for 40/50 HP models, complete with clips. | ||
| View original record | tuning LOAD DIAGRAM OF FIRTH'S WOODHEAD'S FRONT SPRING. (Note: 'WOODHEAD'S' is crossed out) 40/50 H.P. SPRINGS. SPRING COMPLETE WITH CLIPS. Y-AXIS: LOAD ON SPRING. CWTS. X-AXIS: DEFLECTION OF SPRING… | ||
| Scan096 | Standardisation report on chassis parts, specifically Firths springs. | ||
| View original record | RR 755 (10H) (SL391 2-11-23) MP 281297 f4479 COMPLETED 9.5.24. STANDARDISATION of CHASSIS PARTS. Date 9.4.24. Description of Parts. FIRTHS SPRINGS. Origin. Further source of supply. Experimental Test… | ||
| Scan097 | Bump test results and standardisation for Firths road springs. | ||
| View original record | 9.4.24. FIRTHS ROAD SPRINGS. The bump test results show that the 43" springs made by Firths with the Woodhead type clips are running on the average 30% longer than the 42" springs, either Woodheads or… | ||
| Scan098 | Standardisation of front springs, brackets and shackles to suit front wheel brakes. | ||
| View original record | RR 755 (10M) (SL391 2-11-23) MP 281297 V4429 COMPLETED 5. 6. 24. STANDARDISATION of CHASSIS PARTS. Date 12. 5. 24. Description of Parts. FRONT SPRINGS, BRACKETS AND SHACKLES. Origin. To suit front… | ||
| Scan099 | Internal friction and damping characteristics of road springs from Firths versus Woodheads. | ||
| View original record | To R. from Hs. c. to BJ. c. to DA. c. to E. c. to EY. x4429 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 we… | ||
| Scan100 | Failed spring on an experimental car and arrangements for future testing. | ||
| View original record | Copy 19/9/24 X4429 Wor2/MS/9/24. To C.J. from Wor. Copy to BY. "" Hs. Re Experimental Cars. -------------------- Referring to your memo CJ3/E4/9/24:- (1) The spring which failed in France was similar… | ||
| Scan101 | Secret memorandum detailing failures of springs made by Firths and specifying new designs for experimental testing. | ||
| View original record | +4429 To BY. & HS. from R. c. to CJ. BJ. PN. Commander Briggs. SECRET. R1/M11.9.24. E. A. C. 11 & 111. X. 8410 X. 9410 X. 8638 Springs as made by Firths ought to break because not only is :- (1) Their… | ||
| Scan102 | Standardisation sheet cancelling a previous version regarding 25% stiffer front springs, brackets, and shackles. | ||
| View original record | To R. from Hs. c. to CJ. BJ. " " E. BY. " " DA. EP. " " PN. WD. " " HM. TR. " " EWT. FOR RR+INC. X2628 4429 X.2638. Hs2/LG16.9.24. STANDARDISATION SHEET. FRONT SPRINGS, BRACKETS AND SHACKLES. On the… | ||
| Scan103 | Road tests in France for Firths 12% springs and brakes, with a summary on induction pipe breakages. | ||
| View original record | R.R. 493 (40 H) (SL 42 12-7-23). J.H., D. EXPERIMENTAL REPORT. COPIES TO: RCJ BJ. WOR. By E. Da. EP -PN-OY- RG Expl. No. 9940/1 REF. Hs1/LG26.9.24. OBJECT OF TEST. Tests on Firths 12% Springs and… | ||
| Scan104 | Summary report of a 10,000-mile test on vehicle model 9-PK, detailing performance and component wear. | ||
| View original record | R.R. 498A (20H) (D.A. 652 20-3-24) J.H.D. EXPERIMENTAL REPORT. Expl. No. REF. He/AJL/L.26. 9. 24. SUMMARY OF 10,000 MILES TEST ON 9-PK. July 30th. 1924 to Aug. 29th. 1924. Miles run, 10,221. Running… | ||
| Scan105 | Issues and performance of exhaust, silencers, steering, and engine components. | ||
| View original record | R.R. 498A (20H) (D.A. 552 20-3-24) J.B.D. -2- EXPERIMENTAL REPORT. Expl. No. REF:- AJL/LG26.8.24. The C. and A. washer in the centre joint of the exhaust manifold has burnt out twice, causing bad… | ||
| Scan106 | Multiple component failures and issues during vehicle testing. | ||
| View original record | R.E. 495A (20H) (D.A. 652 20-9-24) J.H.D. -3- EXPERIMENTAL REPORT. Expl. No. REF: Hs/AN/L.G26. 9.24. when a thicker oil is used. Extra oil pipe broke at the bend behind the carburetter. This is the… | ||
| Scan107 | Six required modifications to a vehicle. | ||
| View original record | B.R. 496a (20H) (D.A. 652 20-3-24) J.B.D. -4- EXPERIMENTAL REPORT. Expl. No. REF: Hs/AJL/LC26.9.24. MATTERS REQUIRING MODIFICATION. ========================== 1. Petrol tank suspension. 2. Extra oil… | ||
| Scan108 | Arranging a meeting with Firths to discuss tests on front springs for the 40/50 HP Chassis. | ||
| View original record | Y4429 Wor from Wd. s.to By. c.to Hs. Wd3/WJ28.10.24. 40/50 HP.Chassis - Four Wheel Brakes. Firth's Front Springs, 43½" centres, 12½% stiffer type. Firths have arranged to come to these Works tomorrow… | ||
| Scan109 | Bumping tests for Firths road springs, comparing their performance and design against Woodheads springs. | ||
| View original record | R.R. 495A (20H) (D.A. 652 20-5-24) J.R.D. EXPERIMENTAL REPORT. To R. from Hs. c. to CJ. BJ. c. to E. DA. c. to SY. Wor. Handwritten: Y4429 Expl. No. REF: Hs3/LG29.10.24. FIRTHS ROAD SPRINGS.… | ||
| Scan110 | Bump test report on Firth front leaf springs, detailing fracture analysis. | ||
| View original record | BUMP TEST. R. 43a Front Springs TEST OF LATEST PATTERN FIRTH SPRINGS, F71980, 1, 1100LBS & 1150 LBS. CONDITIONS: 2" CAMS SET AT 180°. DRUMS MAKE 105 R.P.M. TYRES AT 65 LBS/SQ. IN. LOAD ON FRONT OF… | ||
| Scan111 | Continued bump test report for the latest pattern Firth springs, showing fracture details. | ||
| View original record | BUMP TEST OF LATEST PATTERN FIRTH SPRINGS, (F71980/1), CONT? TABLE: COLUMN HEADERS: SPRING DETAILS, FRACTURE, POSITION OF LEAF, POSITION OF FRACTURE FROM CENTRE BOLT., APPROXIMATE RUNNING TIME.,… | ||
| Scan112 | Bumping tests for Firths 12.5% thin leaf front springs. | ||
| View original record | R.R. 493A (20H) (D.A. 652 20-3-24) J.R.D. EXPERIMENTAL REPORT. Run 29 Expl. No. 1331 2528 REF: Hs4/LG21.11.24. To R. from Hs. c. to CJ. BJ. c. to RG. E. c. to DA. EY. c. to Wor. BUMPING TESTS ON… | ||
| Scan113 | Letter discussing arrangements for a car trial in France with Firths' front springs. | ||
| View original record | COPY. S/W. (Hs.) CWB21/LH.21.11.24. I am advised by BJ, that you are very shortly sending out a car to France for a lengthy trial with Firths' front springs. BJ. wishes me, in order to gain… | ||
| Scan114 | Logistics of testing a car fitted with Firths springs in France, including shift patterns for long-distance runs. | ||
| View original record | To CWB. From Hs. c. to BJ. X4429 X9941 Hs1/LG22.11.24. The car fitted with Firths springs is already in France. We expect it to start running this weekend. The car will be running every day so that it… | ||
| Scan115 | Completion of a 10,000-mile test in Chateauroux and arranging a visit for CWB. | ||
| View original record | X44629 To CWB. from Hs. Hsl/LG26.11.24. RE. CHATEAUROUX. X9941 Referring to CWB/DB42. 24.11.24. From the reports we have received from Chateauroux, the 10,000 miles in connection with the Firths… | ||
| Scan116 | The successful completion of a 10,000-mile test of Firths front springs in France. | ||
| View original record | x2628 x4429 To R. from Hs. c. to CJ. BJ. c. to RG. E. c. to DA. BY. c. to Wor. _x9410_ Hs1/LG11.12.24. 10,000 MILES TEST WITH FIRTHS SPRINGS IN FRANCE. The car has completed 10,000 miles in France… | ||
| Scan117 | Comparison of initial camber and leaf thickness for satisfactory and unsatisfactory 1150 lbs. Firths springs. | ||
| View original record | To R. from Hs. c. to CJ. BJ. c. to E. DA. c. to RG. BY. c. to Wor. X4429 Hs3/LG13.12.24. FIRTHS SPRINGS. <94-10 Rogers We give below comparisons of one of the latest 1150 lbs. Firths springs (which… | ||
| Scan118 | Standardisation of firmer front springs for 4-wheel brake cars. | ||
| View original record | RR 755 (10M) (SL391 2-11-23) MP 261297 LU429 / G440 COMPLETED 9.1.25. STANDARDISATION of CHASSIS PARTS. Date 10.12.24 Description of Parts. FIRMER FRONT SPRINGS FOR 4-WHEEL BRAKE CARS. X No. 9410… | ||
| Scan119 | Price negotiations and a standardisation sheet for Firths front springs on 4-wheel brake cars. | ||
| View original record | To Hs. from My/Rms. My/Rms4/N/139A/BJ16.12.24. X.9410 FIRTHS FRONT SPRINGS FOR 4-WHEEL BRAKE CARS. We return herewith standardisation sheet. Until the price of these springs has been ascertained in… | ||
| Scan120 | Standardisation sheet No. 9410 regarding Firth's Front Springs for 4-wheel Brake Cars. | ||
| View original record | X9+10 JS AT M.H. from HS. BJ4/H9.1.25. STANDARDISATION SHEET No. 9410. Firth's Front Springs for 4-wheel Brake Cars. I have initialled this sheet and return it herewith. Please do not wait for C.J's… | ||
| Scan121 | Standardisation of firm front springs for 4-wheel brake cars. | ||
| View original record | RR 755 (10M) (SL391 2-11-23) MP 281297 STANDARDISATION of CHASSIS PARTS. Description of Parts. FIRMS FRONT SPRINGS FOR 4-WHEEL BRAKE CARS. Origin. To improve design. Experimental Test Report. These… | ||
| Scan122 | Standardization and pricing of Firths Front Springs for 4-Wheel Brake Cars. | ||
| View original record | To Hs from My/Rns. My/Rns4/N/139A/BJ.16.12.24. Standardisation of Chassis Parts X.No.9410. Firths Front Springs for 4-Wheel Brake Cars. We return herewith standardisation sheet. Until the price of… | ||
| Scan123 | Ordering and testing 45-inch front springs from Firths for the 40/50 HP chassis. | ||
| View original record | 49410 44429 AHC. c. Hs. BY10/H. 17. 2. 25. 45" SPRINGS TO FIRTHS DESIGNS. -------------------------- In order to ascertain whether we can obtain an increase in life by adopting Firths designs for the… | ||
| Scan124 | Confirming an order for a pair of front springs with specified modifications regarding camber and deflection. | ||
| View original record | Hs. to Ev. [struck through] X4479 Wd/Dn3/EH14.4.26. In your Hs/RM1/LG8.4.26, you have requested us to order a pair of Front Springs, 1250 lbs/43½" centres of eyes, type F.71975, but with the following… | ||
| Scan125 | Letter from a supplier proposing modifications to an order for front springs for an experimental chassis. | ||
| View original record | COPY. THOS. FIRTH & SONS. LIMITED. NORFOLK WORKS, SHEFFIELD. 13th April, 1926. Ref. Spring Dept. HWP/EFS/309. Messrs. Rolls-Royce Ltd., Nightingale Road, DERBY. Dear Sirs, We are in receipt of your… | ||
| Scan126 | Springing setup for the Phantom model, including shock dampers and spring ratings. | ||
| View original record | To NA. DA. ) FROM R. Hs. BY. ) LE CANADEL. c. to BJ. Wor. ON. EP. CMB. X4429 R1/M14.4.26. RE. PHANTOM SPRINGING. X.8410 X.4429 X.235 I am not sure that we are adding this up correctly :- (1) I have… | ||
| Scan127 | Page two of a memorandum discussing axle control, road clearance, and comparing front axle designs. | ||
| View original record | contd :- -2- from more and thinner plates, or of greater length, and fit the best axle control we can. The only good and passable one is that with radius rod under spring. I endeavoured to arrange… | ||
| Scan128 | Necessary improvements for the Phantom's springing and shock damping systems. | ||
| View original record | To Hs. ) FROM R. BY. ) LE CANADEL. Da. ) c. to BJ. Wor. E. OY. c. to NA. Mr. Fuller. 4429 R2/M18.4.26. PHANTOM SPRINGING. X.8410 X.3900 X.235 X.4429 One or two things seem necessary to make us happy… | ||
| Scan129 | Continued note identifying three potential causes for an issue: tyres, shock dampers, and springs. | ||
| View original record | contd :- -2- In nearly every case I have ever met it has been either (1) tyres too tightly pumped, (2) Hartford shock dampers, (3) unsuitable springs to the load. Any one of these can make all the… | ||
| Scan130 | Suspension tests on a Phantom car with weaker front springs. | ||
| View original record | 44429 To R from Hs/Rn. c. to BJ. RG. c. to R. DA. c. to EY. Na. c. to Wor. SUSPENSION. K8410 We have carried out tests on a Phantom car fitted with front springs giving an initial deflection of 4.6"… | ||
| Scan131 | Tests conducted on hydraulic shock dampers to assess their durability. | ||
| View original record | Expt. Report. Y4429 HS/Rml/T26.5.26. To R. from Hs/Rm. c. to BJ. Wor. c. to Rg. E. c. to Da. Ey. c. to Ov. HYDRAULIC SHOCK DAMPERS. X235 X4429 X967 Tests have been carried out to try and smash the… | ||
| Scan132 | Continued experimental report on shock absorber performance and the effects of oil viscosity. | ||
| View original record | Expl. Report (Contd) -2- Hs/RmL/T26.5.26. the friction shock absorber broke. Also by the condition of the spring stops the rebound was not so great with the R.R. dampers as with the Hartfords, in… | ||
| Scan133 | Shock damper oil performance, fluid damping, and low-speed riding comfort tests. | ||
| View original record | Expt. Report (Contd) -3- Hs/Rml/T26.5.26. damper compared with "Price's Motorine C". The former does not cease to flow until -15°C. The latter at -6°C. approx. We do not think that with "Lovejoy" oil… | ||
| Scan134 | Shock damper arrangement with a steel sleeve for the rear of a vehicle. | ||
| View original record | Expl. Report (Contd) -4- Hs/RmL/T26.5.26. at the ball end over the worst of the bumps on the record. We attach a print of a shock damper arrangement that we are trying out on the rear. We have… | ||
| Scan135 | Graph comparing the viscosity of Prices Motorine C and Lovejoy Oil against temperature. | ||
| View original record | VISCOSITY COMPARISON PRICES MOTORINE C AND LOVEJOY OIL. TEMPERATURE °C TIME OF EFFLUX. SECS. LIMITS of WORKING TEMPs for BRITISH ISLES LOVEJOY OIL PRICES MOTORINE C 20 MAY 1928 DERBY. | ||
| Scan136 | Blueprint illustrating the relative positions of the rear spring, safety bolt, and roller on a 40/50 HP chassis under various load conditions. | ||
| View original record | A SPRING UNDER NORMAL LOAD 7.700 (TO BUFFER UNCOMPRESSED) B -BOLT JUST TOUCHING THE ROLLER.- 13.500 (TO BUFFER UNCOMPRESSED) C -HYDRAULIC SHOCK ABSORBER-(PISTON JUST TOUCHING END OF CYLINDER)- (13"… | ||
| Scan137 | Diagrams showing the relative positions of the rear spring, safety bolt, and roller on a 40/50 HP Chassis. | ||
| View original record | (A) SPRING UNDER NORMAL LOAD. (B) -BOLT JUST TOUCHING THE ROLLER.- (C) -HYDRAULIC SHOCK ABSORBER - (PISTON JUST TOUCHING END OF CYLINDER)- (13" LEVER). (D) -HARTFORD SHOCK ABSORBER - (ARMS TOGGLED).… | ||
| Scan138 | Request to obtain two modified springs from Messrs. Firths with a reduced unloaded camber. | ||
| View original record | To Wd/Ms. from Hs/Rm. 44429 Hs/Rm1/LG19.6.26. Will you please obtain for us from Messrs. Firths - two springs as follows :- We want Messrs. Firth to take the two standard springs of the poundage that… | ||
| Scan139 | Torsion tests conducted on front springs. | ||
| View original record | 44429 To R. from Hs/Am. c. to BJ. Wor. c. to RG. E. c. to DA. BY. Hs/Rm3/LG10.8.26. TORSION TESTS - FRONT SPRINGS. X8854 We have carried out a considerable number of tests to determine the relative… | ||
| Scan140 | Blueprint diagram showing the shape of a spring contour under torsion. | ||
| View original record | SPRING CONTOUR UNDER TORSION SHACKLE ANGLE BEFORE TORSION 21° " " AFTER " 18.5° WITH 1100 LBS LOAD WITH TORQUE GIVING 6° LEAN T SHOWING THE SHAPE ASSUMED BY A WOODHEAD SPECIAL SPRING MAIN LEAF UNDER… | ||
| Scan141 | Graph plotting the angle of rotation against torque from torsion tests on various front springs. | ||
| View original record | TORSION TESTS ON FRONT SPRINGS. Y-AXIS: ANGLE OF ROTATION X-AXIS: TORQUE IN 1000 LBS - IN. DATA POINTS: O4, A4, B4, B3, A3, D3 LEGEND: A = FIRTH'S SPRING 1100 LBS TOTAL LENGTH 43.5 INS B = WOODHEADS… | ||
| Scan142 | Use of Firths spring clips, comparing solid vs. rivetted types and recommending the latter. | ||
| View original record | To R. from Hs. c. to BJ. Wor. c. to RG. E. c. to DA. SY. X4429 Hs2/LG31.3.27. FIRTHS SPRING CLIPS SOLID WITH SPRING PLATES. X1333 We propose letting Firths know that we do not propose to adopt the… | ||
| Scan143 | Letter concerning a fracture in a 20 HP spring plate caused by deep stamping, requesting changes to marking procedures for suppliers. | ||
| View original record | RECEIVED 5 MAY 1927 X4429 c. Order Office. c. BY/HHB. c. HS. c. Mailing Dept. BY6/H. 4.5.27. May 4th, 1927. Wednesday. Messrs Thos. Firth & Sons, Norfolk Works, Sheffield. Dear Sirs, SPRINGS. -------… | ||
| Scan144 | Examination report on a broken spring (F.5358), identifying a deeply sunk maker's mark 'J' as the primary cause of the fracture. | ||
| View original record | [Typed] TO "H.S." From "G.W.H." Hotel de France. Chateauroux. Indre. France. May.Ist 1927. I O - G - I I I I. We have examined the leaves of the broken spring F.5358, and, all are O.K.; but for the… | ||
| Scan145 | Hand-drawn diagram of a top leaf with dimensions. | ||
| View original record | Top leaf. Ø 3.5" J 3 | ||
| Scan146 | Drilling jig for Firths, inquiring about parts made under a specific order number. | ||
| View original record | To Hs from My/Rb. My/Rb.29/FEB/55/BJ.7.4.27 Re: Drilling Jig for Firths o/55174. We are informed that the above jig complete with bushes, bush drivers and 2 drills was sent into stores by the… | ||
| Scan147 | Fractured 20 HP road spring and new stamping requirements for the supplier, Messrs Firths. | ||
| View original record | Hs. X.4429. BY7/H. 6.5.27. ROAD SPRINGS. Referring to the 20 HP. road spring in connection with which the top plate broke during the trial running in France, where the plate was stamped with a large… | ||
| Scan148 | Letter to Thos. Firth & Sons, Ltd. correcting spring specifications and discussing rear spring materials. | ||
| View original record | c. Mailing Dept. c. Order Office. c. RHC. c. Wor. X4429 BY18/H. 3.6.27. ------- June 3rd, 1927. Friday. Messrs Thos. Firth & Sons, Ltd. Norfolk Works, Sheffield. Dear Sirs, Referring to our letter of… | ||
| Scan149 | Comparison and bumper test of American front road springs versus standard Firths springs for Phantom cars. | ||
| View original record | To R. from Hs/AJL. c. to BJ. Wor. c. to E. DA. c. to OY. BY. X4429 PHANTOM. AMERICAN FRONT ROAD SPRINGS. X3900 We have received a pair of American front road springs as fitted to Phantom cars. The… | ||
| Scan150 | Test report on the failure and performance of Firths Silco Manganese and American leaf springs. | ||
| View original record | contd :- -2- In conjunction with these tests we have tested a pair of Firths Silco Manganese springs of the same loading : these failed after running as follows :- O.S. spring (1150 lbs.) after 21… | ||
| Scan151 | Request for the return of notes on spring manufacture and for comments before proposing a manufacturing plan to Firths. | ||
| View original record | X4429 To DA. from Hs/Rn. Hs/Rn2/LG30.9.27. SUSPENSION. Y3900 Will you please return OY's notes on Spring Manufacture which I left with you on our last visit to WW. We should also like to have any… | ||
| Scan152 | Design and manufacture of road springs, referencing Mr. Olley's notes and the company Firth's. | ||
| View original record | Hs/Rm. from DA. L4429 DA1/M3.10.27. X.3900 X.8410 X.4429 SUSPENSION. In reply to Hs/Rm2/LG30.9.27., we return herewith Mr. Olley's notes on road springs. Mr. Royce wishes us to get some springs made… | ||
| Scan153 | Test report on the lifespan of different front road springs and the adoption of a new clip. | ||
| View original record | To R. from Hs/Rm. c. to BJ. Wor. c. to E. DA. c. to BY. OY. X4429 Hs/Rm1/LG3.10.27. FRONT ROAD SPRINGS. Y1333 X4429 X8400 We have completed a test on four Silico Manganese front springs and two in… | ||
| Scan154 | Letter discussing modifications to road springs and providing test results comparing different spring materials. | ||
| View original record | Copies to Wor. & Roy. & Hs. X4429 RECEIVED STAMP [OCT 1927] BY1/J51027. 5th Oct.1927. Messrs. Thos. Firth & Son Ltd., Norfolk Works, Sheffield. Dear Sirs, Road Springs. Referring to Mr. Wortley… | ||
| Scan155 | Letter to a supplier regarding the decision to adopt Silico-Manganese and a new spring design based on American findings. | ||
| View original record | Messrs. Thos. Firth & Sons Ltd., Norfolk Works, Sheffield. 5th Oct. 1927. -2- You will probably be surprised by this result, but it is in accordance with similar experiences we have had when comparing… | ||
| Scan156 | Internal request for two 900 lbs. 25% stiffer springs to drawing F.53048 for experimental purposes. | ||
| View original record | To BY. from Hs/Rn. X4429 Hs/Rml/LG5.10.27. 79241D Will you please obtain for us for experimental purposes :- 2 900 lbs. 25% stiffer springs to F.53048 with an initial camber of 3.5". Hs/Rm. | ||
| Scan157 | Request to produce brackets for fitting hydraulics and Hartford shock dampers to vehicle 44-PK. | ||
| View original record | Y442S To RHC. from Hs/Rm. /235 Hs/RM2/LG5.10.27. We wish to fit hydraulics and Hartford shock dampers to the rear of 44-PK. We should therefore be obliged if you will produce the necessary brackets.… | ||
| Scan158 | Clarifying the specifications for the rear springs on a 20-HP chassis. | ||
| View original record | X4429 BY/HEB7/M.12.10.27. 20-HP CHASSIS. REAR SPRINGS SEC:7030. With reference to our memo' BY/HEB1/M6.10.27. your memo' Roy/Dn14/BH. and Messrs. Firth's letter AWP/EFS/637/1, kindly note the Rear… | ||
| Scan159 | Required alteration to the Free Camber of springs for specific Phantom chassis. | ||
| View original record | X4429 C. He/Rm. BY/HEB5/M.12.10.27. PHANTOM CHASSIS. CHASSIS 82-LC. SIR JOHN LATTA CHASSIS 8-EX. EXPERIMENTAL CAR. LONDON TRIALS CAR. With reference to Messrs. Firth's letter of the 11th inst:… | ||
| Scan160 | Spring specifications for sports cars, model EAC.14. | ||
| View original record | To BY. from Hs/Rn. Hs/Rn2/LG19.10.27. 4429 SPRINGS FOR EAC.14. KS410 We anticipate that the springs required for the sports cars will be :- Front. 1000 lbs. free camber 2.10 positive. Rear. 25%… | ||
| Scan161 | Letter to a supplier regarding an order for front springs, discussing blueprints and design specifications. | ||
| View original record | c. Wer c. Roy. c. Hs. c. BY/HEB. X4429 REC'D WORKS 26 OCT 1927 25th. October 1927. BY10/G.25.10.27. Messrs. Thos. Firth & Sons Ltd., Norfolk Works, Sheffield. Dear Sirs, (for the attention of Mr.… | ||
| Scan162 | Letter discussing spring production methods, specifications, and performance testing. | ||
| View original record | - 2 - the whole method by which the spring itself was evolved by our American Co. There are certain features with regard to the method of producing the top plate and the grinding all over of the… | ||
| Scan163 | Providing instructions for fitting new road springs to the 10-EX experimental car. | ||
| View original record | To RHC. from Hs/Rm. 4429 Hs/Rm2/LG16.11.27. 10-EX CAR - ROAD SPRINGS. 4429 48410 The road springs for the above car have now been delivered. Will you therefore please fit 2 1000 lbs. front springs… | ||
| Scan164 | Challenges in replicating American spring designs with supplier Messrs. Firths. | ||
| View original record | Hs/Rm. Y4429 BY9/G.14.12.27. RECEIVED DEC 15 1927 Referring to Hs/Rm/LG.14.11.27. your memo on its various items has had and is having the closest possible consideration, but obviously the first step… | ||
| Scan165 | Ordering new, lighter, stiffer road springs for the 40/50 HP chassis from Messrs. Firths & Sons. | ||
| View original record | c. Hs. X4429 BY/Cgh6/G.8.2.28. 40/50 HP. CHASSIS - ROAD SPRINGS. With reference to ROY/Dn12/BH.7.2.28. and copy of letter received from Messrs. Firths & Sons, in regard to our request for a reduction… | ||
| Scan166 | Bumper test of various front road springs, detailing test results and failures. | ||
| View original record | 44429 To BY/Cgh. from Hs/AJL. Hs/AJLL/1:21.4.28. x3900 ROAD SPRINGS - BUMPER TEST. x8772 With reference to your BY/Cghl/G17.4.28 and BY/Cgh14/G16.4.28, we have sent into the despatch Stores to await… | ||
| Scan167 | The comparative testing of road springs, noting the poor performance of Firths springs compared to American ones. | ||
| View original record | To R. from Hs/Rn. c. to BJ. Wor. c. to E. DA. c. to BY. OY. [Handwritten] 4429 Hs/Rn4/LG2.5.28. ROAD SPRINGS. X.4429 X.3900 X.7410 We have been testing on the bumping rig some front road springs made… | ||
| Scan168 | Effectiveness and testing of lighter and stiffer rear springs on experimental cars. | ||
| View original record | contd :- -2- frequency, though we believe the effectiveness of the shock absor- bers during large amplitude rear spring movements had something to do with this. With reference to the lighter type of… | ||
| Scan169 | Broken front spring plates, comparing special springs with American manufactured springs to determine differences in heat treatment and forging. | ||
| View original record | C. Hs. X4429 BY3/G.11.5.28. BROKEN ROAD SPRING PLATES FROM SPECIAL FRONT SPRINGS MADE FOR COMPARISON WITH THE AMERICAN MANUFACTURED SPRINGS. Referring to H16/EA.9.5.28. this report only touches the… | ||
| Scan170 | Visit to Messrs. Firths to discuss the manufacturing processes and superiority of American-style road springs. | ||
| View original record | Hs. e. Wor. ROAD SPRINGS. On June 7th. I paid a visit to Messrs. Firths of Sheffield to discuss the results arrived at on the American type springs with the object of arriving at a decision as to the… | ||
| Scan171 | Specifications and order details for leaf springs, referencing a new American type. | ||
| View original record | - 2 - these to be ground, removing 15/1000ths from each face. The edge also to be ground. (C) Top leaf to be from rolled bar of such a thickness as to allow a minimum of 1/8" machining on each face… | ||
| Scan172 | Design and testing of a new riveted spring clip. | ||
| View original record | +4474 To BY. HS. from R. DA. c. to BJ. SPRING CLIPS. X.1333 X.4429 X 3803. X.3854 X.3854 (Note: X.3854 below X.1333 is struck through. X 3803. is handwritten). There is no doubt that we can rivet on a… | ||
| Scan173 | Letter from a supplier confirming the manufacturing specifications and processes for experimental springs. | ||
| View original record | COPY. FROM:- Thos. Firth & Sons, Ltd., Norfolk Works, SHEFFIELD. REF:- JWF/EQ. TO:- Messrs. Rolls-Royce Ltd., DERBY. 7th June, 1928. Dear Sirs, Experimental Springs. We beg to confirm the decision… | ||
| Scan174 | Commenting on various aspects of road spring design and manufacturing. | ||
| View original record | 4429 BY. from R. c. to BJ. Wor. c. to DA. Hs. R1/M14. 8.28. ROAD SPRINGS. X.7410 X.4429 X.5410 X.380 3 I was very interested in your memo. with reference to road springs, but there are one or two… | ||
| Scan175 | Continued memorandum comparing the quality and cost of Firth springs against American and Lemoine springs. | ||
| View original record | contd :- -2- spring or American spring is due to better the superior finish of the surface, or the workmanship, we ought to insist that Firth springs are at least equal, especially as I understand the… | ||
| Scan176 | Further tests into road spring friction, detailing the issue of 'digging-in' on serviced springs compared to new ones. | ||
| View original record | To R. from Hs/Rm. c. to BJ. Wor. c. to E. DA. c. to EY. OY. X4429 Hs/Rm2/LG29.9.28. ROAD SPRINGS. X840 X30524 In continuance of our report Hs/Rml/LG8.9.28, we have been carrying out further tests on… | ||
| Scan177 | Improving spring design by comparing Firths and Woodheads springs to address issues like 'digging-in' and internal friction. | ||
| View original record | contd :- -2- We have a number of cadmium plated springs in service so that we shall shortly get a test as to how their internal friction changes compared with standard. Any feature in spring design… | ||
| Scan178 | Technical memo discussing issues of friction, seizure, and poor bedding in rear leaf springs, comparing manufacturer quality. | ||
| View original record | Hs. EY. Wor. EP. C O P Y. Hm/NRC7/MW22. 9.28. SPRING FRICTION. We find that many rear springs, especially of Firths manufacture, are badly and deeply seized at the ends of the plates; particularly is… | ||
| Scan179 | Tests comparing the internal friction of front and rear road springs, including the effects of service, cleaning, and cadmium plating. | ||
| View original record | Hs/Rm/LG29.9.28. FRONT ROAD SPRING FRICTION. We have carried out some tests to determine the internal friction of the 40/50 road springs. The outstanding points are, comparing the front and rear… | ||
| Scan180 | Series of three graphs showing test results for a Rear Road Spring's deflection versus applied load and hysteresis. | ||
| View original record | E REAR ROAD SPRING 8 Ex. NS. - 1950LB CHASSIS TYPE FULCRUM DRY RUN 3000 MILES IN 6 MONTHS. TEST N°3 HYSTERESIS LBS. 260 252 244 TEST N°2 260 244 228 TEST N°1 256 250 244 DEFLECTION - INS 12.0 10.0 8.0… | ||
| Scan181 | Series of three load vs. deflection tests on a lubricated rear road spring after a 5000-mile run. | ||
| View original record | F. REAR ROAD SPRING & EX. N.S. - 1950 LB- CHASSIS TYPE FULCRUM LUBRICATED RUN 5000 MILES IN 6 MONTHS. 10.9.28 DEFLECTION - INS - APPLIED LOAD -LB- HYSTERESIS LBS TEST N° 3 TEST N° 2 TEST N° 1 12.0… | ||
| Scan182 | Series of three test graphs showing deflection versus applied load for a lubricated standard front road spring. | ||
| View original record | G STANDARD FRONT ROAD SPRING - F.71975 - 1100 LB 13-9-28 LUBRICATED TEST N°3 APPLIED LOAD - LB- DEFLECTION - INS. HYSTERISIS LBS 5 4 3 1200 1400 1600 1800 2000 78 76 75 TEST N°2 104 88 72 56 TEST N°1… | ||
| Scan183 | Graphs of road spring tests showing deflection vs applied load for a standard front spring after 3.5 years of service. | ||
| View original record | H ROAD SPRING TESTS 18-8-28 STANDARD FRONT- F. 71975 - 1150 LB - OFF 78 N.K. AFTER 3 1/2 YEARS SERVICE. DRY DEFLECTION - INS - APPLIED LOAD - LB - HYSTERISIS LBS 5.0 4.0 3.0 1200 1400 1600 1800 2000… | ||
| Scan184 | Graphical report on road spring tests after cleaning and lubrication. | ||
| View original record | J. 18-8-28 ROAD SPRING TESTS 1100 LB- STANDARD FRONT- F.71975- OFF 78 N.K. AFTER 3 1/2 YEARS SERVICE CLEANED AND LUBRICATED TEST N°3 APPLIED LOAD- LB- HYSTERISIS LBS. 70 60 50 40 TEST N°2 APPLIED… | ||
| Scan185 | Graph showing three tests on a cadmium plated and lubricated front road spring. | ||
| View original record | K. FRONT ROAD SPRING - STANDARD - F. 71975 - 1100 LB CADIUM PLATED - LUBRICATED. DEFLECTION - INS. APPLIED LOAD - LB. HYSTERISIS LBS. TEST N° 3 TEST N° 2 TEST N° 1 | ||
| Scan186 | Graphs showing the results of three tests on a cadmium-plated front spring after a 4000-mile road test. | ||
| View original record | L 12-9-28 FRONT SPRING TESTS - 12 EX. - CADMIUM PLATED F.78164 - 1050 LB. - AFTER ROAD TEST - 4000 MILES -DRY- THIS SPRING WAS PURPOSELY NOT LUBRICATED DURING ONE TEST. DEFLECTION - INS APPLIED LOAD -… | ||
| Scan187 | Blueprint comparing two different leaf spring designs, Firths and Woodhead. | ||
| View original record | PART SECTION AA .300 1.200 .125 TYPICAL BEDDING FIRTHS SPRING PART SECTION AA .300 2.500 .186 TYPICAL BEDDING WOODHEAD. ALL LEAVES SAME TIP SECTION | ||
| Scan188 | Comparison of Woodhead and Firths rear road springs under a 1700 lbs load. | ||
| View original record | COMPARISON OF WOODHEADS AND FIRTHS ROAD SPRINGS (REAR) 1700 LBS LEFT SIDE: WOODHEAD 1700 THESE DIMS SHEW AMOUNT OF 'NIP' NOTE - VERY HEAVY BEDDING OCCURS ON EACH LEAF AT A PLACE COINCIDING WITH THE… | ||
| Scan189 | Summary comparing the life and performance of four different types of American springs ('A', 'B', 'C', and 'D'). | ||
| View original record | To BY. from Hs/Rm. VUW29 c. to DA. Wor. Hs/Rm5/LG16.10.28. FOUR PAIRS OF AMERICAN TYPE SPRINGS. X3980 We attach a summary of the life of three pairs of these springs. It will be noted that though the… | ||
| Scan190 | Summary table of bump test results for six different springs. | ||
| View original record | SUMMARY OF LAST SIX SPRINGS ON BUMP TEST. No. | Make. | Wt. lbs. | Material. | Type. lbs. | Length. | Initial camber after test. | Loaded on lbs. | Position on bump. | Drg. No. | Total hrs. run.… | ||
| Scan191 | The material and heat treatment for 'R' Engine connecting rod bolts. | ||
| View original record | X4429. HS. RHC. RG. BY/EM5/J.30.8.29. x4429 x4436. 'R' ENGINE CONNECTING ROD BOLTS ----------------------------- We have obtained from Messrs Firth & Sons approximately 40ft of nickel chrome… | ||
| Scan192 | The high cost of Firth's Staybrite Steel and an instance of being overcharged for strip material. | ||
| View original record | To BY. from ROY a. to Wor. c. to Ms. 46429 ROY2/MG31.12.29 ----------------- I do not know if we can do anything to curtail the use of Firth's Staybrite Steel in our manufacture. It is certainly… | ||
| Scan193 | Letter from a supplier regarding an inability to fit clips on 40/50 HP springs as per the standard, proposing an alternative solution. | ||
| View original record | ALL COMMUNICATIONS TO BE ADDRESSED TO THE COMPANY. X4459 Telegraphic Address: 'FIRTH SHEFFIELD' Codes: A.B.C. WESTERN UNION & BENTLEYS LIEBERS ETC London Office: 8 THE SANCTUARY, WESTMINSTER S.W.1.… | ||
| Scan194 | Issues with Messrs. Firths' spring drawing, specifically concerning the front and rear springs. | ||
| View original record | [Handwritten, crossed out]: Copy [Handwritten]: AB/Rm from BY/Cgh [Handwritten]: 84479 BY/HEB2/M.14.1.30. [Handwritten]: X4479. +7410. 23-EX. MESSRS. FIRTHS' SPRING DRAWING. FRONT SPRING:- Will be… | ||
| Scan195 | Letter to a supplier regarding design specifications for Special Experimental Phantom II rear springs. | ||
| View original record | X4429 Expl. Dept. X4429. x7410 Hs/Rm.1/MJ.16.1 Jan. 16th, 1930. Messrs. Thos. Firth & Sons, Ltd., Norfolk Works, SHEFFIELD. Dear Sirs, SPECIAL EXPERIMENTAL PHANTOM II REAR SPRINGS. With reference to… | ||
| Scan196 | Blueprint for special front and rear road springs for chassis No 23 EX. | ||
| View original record | TOP DRAWING: 31 5/8" CENTRES 12 3/4" CENTRES SPRING PAD 4" TOTAL DEPTH = 2.22" 5/32" THICK 22 1/2" 45" CENTRES 1 1/8" - 1050 LBS - FRONT SPRING . 2. OFF 7 PLATES SCALE HALF FULL SIZE BOTTOM DRAWING:… | ||
| Scan197 | Letter from supplier Thos Firth & Sons regarding experimental rear road springs for a Phantom 1 Sports Chassis. | ||
| View original record | ALL COMMUNICATIONS TO BE ADDRESSED TO THE COMPANY. X4429 Telegraphic Address. 'FIRTH SHEFFIELD' Telephones: NORFOLK WORKS SHEFFIELD 23031 TINSLEY WORKS ATTERCLIFFE 41193 Codes: A B C. WESTERN UNION A1… | ||
| Scan198 | Letter from Thos Firth & Sons regarding the supply of rear road springs for a Sports Chassis. | ||
| View original record | X4429 ALL COMMUNICATIONS TO BE ADDRESSED TO THE COMPANY. Telegraphic Address 'FIRTH SHEFFIELD' Telephones: NORFOLK WORKS SHEFFIELD 23031 TINSLEY WORKS ATTERCLIFFE 41193 Codes A.B.C WESTERN UNION A1… | ||
| Scan199 | Letter to a supplier regarding the redesign of overweight springs for a Phantom II. | ||
| View original record | +4429. print returned.. Expl. Dept. HS/Rn.1/MJ. Jan. 21st.1930. Messrs. Thos. Firth & Sons, Ltd., Norfolk Works, SHEFFIELD Dear Sirs, With reference to your letter HWP/AR/462/1. We have looked at the… | ||
| Scan200 | Letter regarding the use of a spring in production and a request to prepare dies for rolling top plates. | ||
| View original record | -2- extensive test, but if it proves successful we shall want to use the spring in production with a rolled eye. We will, therefore, ask you to put dies in hand for rolling the top plates in question.… | ||
| Scan201 | Covering letter attaching a query from Thos. Firth & Sons about rear axle springs for Chassis 23-EX. | ||
| View original record | Hs/Rm. x4429. Roy/Dn5/EH22.1.30. Re Axle Springs for Chassis 23-EX. x7410. We attach hereto a letter received from Thos. Firth & Sons, Spring Dept, with reference to the Rear Springs for the above… | ||
| Scan202 | Discussions on the proportions of axle springs for model 23-EX with Firth's spring designer. | ||
| View original record | ROY. From Hs/Rm. X4429 Hs/Rm.4/MJ.22.1.30. Re. Axle Springs for 23-EX. X7410 With reference to your ROY/Dn5/EH22.1.30. We are still discussing the exact proportions which these springs shall take with… | ||
| Scan203 | Telephone call memo from Thos. Firth & Sons Ltd. regarding the suitability of a drawing for the rear springs of Sports Car No. 23 EX. | ||
| View original record | Hs/Mr. Robotham. V4429. D/Sn7/GR.22.1.30. Telephone Call received from Mr. Porter of Thos. Firth & Sons Ltd., Spring Department, Sheffield. 12.35.p.m. 22.1.30. Mr. Porter would be pleased to know if… | ||
| Scan204 | Note recording a telephone call from Thos. Firth & Sons regarding springs for Sports Car No. 23 EX. | ||
| View original record | K4429. Hs/Mr. Robotham. D/Sn/GB4/CR.23.1.30. Telephone Call Received from Mr. Porter of Thos. Firth & Sons, Ltd., Spring Department, Sheffield. 12.40.p.m. 23.1.30. Having regard to the conversation… | ||
| Scan205 | Letter to Firth & Sons Ltd. discussing the design and delivery of rear and front plate springs. | ||
| View original record | x4429. Expl. Dept. Hs/Rm3/MJ. Jan. 23rd.1930. Messrs Thos. Firth & Sons, Ltd. Norfolk Works, SHEFFIELD. Dear Sirs, With reference to your letter of the 21st.inst. We have examined your drawing of a… | ||
| Scan206 | Specifications for a front spring, detailing the number of plates, their thickness, and clip centre measurements. | ||
| View original record | FRONT SPRING 5 Plates .36 Main Plate .35- Other four plates Total thickness 1.76" Clip Centres 35" & 15 3/4" | ||
| Scan207 | Blueprint for a special rear road spring for Sports Chassis No. 23 EX. | ||
| View original record | 53 3/8" CENTRES 25 1/4" CENTRES PAD 5"05" TOTAL DEPTH 1.75" 1 1/2" FRONT EYE .35" THICK 66" CENTRES CENTRE BOLT CENTRAL 1 1/2" REAR EYE NOTE:- ALL PLATES ARE .35" THICK 1150 LBS 5 PLATES FINISHED… | ||
| Scan208 | Letter from Thos. Firth & Sons confirming an order for springs for an experimental chassis. | ||
| View original record | X4429 ALL COMMUNICATIONS TO BE ADDRESSED TO THE COMPANY. Telegraphic Address: 'FIRTH SHEFFIELD' Telephones: NORFOLK WORKS SHEFFIELD 23031 TINSLEY WORKS ATTERCLIFFE 41193 Codes: A.B.C., WESTERN UNION,… | ||
| Scan209 | Letter from Thos. Firth & Sons, Ltd. regarding a delivery schedule and the inability to provide a definite date. | ||
| View original record | ALL COMMUNICATIONS TO BE ADDRESSED TO THE COMPANY. X4429 Codes: A.B.C.,WESTERN UNION A1,BENTLEYS, LIEBERS, ETC. Telegraphic Address 'FIRTH SHEFFIELD' Telephones NORFOLK WORKS SHEFFIELD 23031 TINSLEY… | ||
| Scan210 | Confirming a settlement with Firth's for the supply of springs to an attached drawing. | ||
| View original record | X4429. ROY. From Hs/Rn. Hs/Rn.1/MJ. 28.1.30. X4429 X7410. We have now settled with Firth's the springs they are going to supply, which will be to the drawing attached hereto. Please return after… | ||
| Scan211 | Substitution of a rolled eye for a solid eye on the Phantom II Rear Axle Spring to reduce costs. | ||
| View original record | To Hs. from ROY c. to Wor. [struck through] c. to DY. [struck through] c. to HY. [struck through] You will recollect some two months ago we discussed in Wor's room the advisability of substituting a… | ||
| Scan212 | Letter regarding the progress of work on a set of springs for a sports chassis. | ||
| View original record | ALL COMMUNICATIONS TO BE ADDRESSED TO THE COMPANY. Codes: A.B.C., WESTERN UNION, A1, BENTLEYS, LIEBERS ETC. Telegraphic Address: 'FIRTH SHEFFIELD' Telephones: NORFOLK WORKS SHEFFIELD 23031 TINSLEY… | ||
| Scan213 | Request to issue lubrication instructions for Sports Car road springs manufactured by Firth's. | ||
| View original record | BY. From Hs/Rn. ✓ 4429 Hs/Rn.1/MJ.25.2.30. Herewith print of the Sports Car road springs X410. which Firth's have made for us. Will you please issue instructions for the inter- leaved lubrication to… | ||
| Scan214 | Spring leaf tip sent to Messrs. Firth Ltd. for examination. | ||
| View original record | Stores From Hs/Rn. c. to O.O. S.O. X4429 Hs/Rn.3/MJ.14.3.30. We are sending into the Stores for despatch to Messrs. Firth Ltd., for the attention of Mr. Stansfield - One Spring leaf tip. This is for… | ||
| Scan215 | Letter to a supplier regarding the testing and redesign of five-leaved light springs for model 23-EX. | ||
| View original record | X44-9. HS/Rn.2/MJ. March 14th.1930. Messrs. Thos. Firth & Sons,Ltd., NORFOLK WORKS, SHEFFIELD. Dear Sirs, For the attention of Mr. Stansfield. SPORTS TYPE FIVE LEAVED LIGHT SPRINGS FOR 23-EX. We have… | ||
| Scan216 | Letter from a supplier regarding the design and manufacturing of five-leaf light springs following a test failure. | ||
| View original record | 14429 ALL COMMUNICATIONS TO BE ADDRESSED TO THE COMPANY. Telegraphic Address: 'FIRTH SHEFFIELD' Telephones: NORFOLK WORKS SHEFFIELD 23031 TINSLEY WORKS ATTERCLIFFE 41193 Codes: ABC WESTERN UNION AI… | ||
| Scan217 | Letter to supplier Thos. Firth & Sons, Ltd. regarding drawing F.82033 and an order for special five-leaf front springs. | ||
| View original record | X4429. Expl. Dept. HS/Rn.1/WJ. March 20th,1930. Messrs. Thos. Firth & Sons,Ltd., Norfolk Works, SHEFFIELD. Dear Sirs, With reference to your letter HWP/AR/528/ 1.19.3.30., for which we thank you. We… | ||
| Scan218 | Order request for a pair of modified five-leaf stiffer type front springs from Messrs. Firth & Sons, Ltd. | ||
| View original record | O.O. From Hs/Rn. X4429. Hs/Rn.4/MJ.20.3.30. Y3035. Will you please order from Messrs. Firth & Sons, Ltd., a pair of five leaf stiffer type front springs similar to those supplied to our order 98163… | ||
| Scan219 | Change of steel for exhaust valves and the resulting scrap costs. | ||
| View original record | BY - from SFT. c. Hoz. c. Hs. c. ROY. X4429 SFT.4/B.8.4.30. X4429 x7230 x5230. Exhaust Valves. ------------- With reference to memo BY16/N.7.4.30. instructing us that we should revert to S.L.V. steel… | ||
| Scan220 | Letter from a supplier confirming a 4 to 5 week lead time for one set of 40/50 HP 5 leaf road springs. | ||
| View original record | X4429 ALL COMMUNICATIONS TO BE ADDRESSED TO THE COMPANY. Telegraphic Address: 'FIRTH SHEFFIELD' Telephones: NORFOLK WORKS SHEFFIELD 23031 TINSLEY WORKS ATTERCLIFFE 41193 THOS. FIRTH & SONS, LIMITED… | ||
| Scan221 | Urgent need to order main plates for 40/50 HP rear axle springs from Messrs. Firth. | ||
| View original record | X4429. To Hs. from ROY. c. to WOP. c. to PX c. to HY ROY1/MG12.4.30 Main Plates for Axle Springs It is imperative we place orders with Messrs. Firth immediately for additional 40/50 HP.Rear Axle… | ||
| Scan222 | Order for a set of stiffer type road springs for experimental use on Major Segrave's car. | ||
| View original record | K4479. C.C. From Hs/Rn. Hs/Rn.1/WJ.12.4.30. 87410 14479 STIFFER TYPE ROAD SPRINGS. Will you please order from Messrs. Firth ltd., a complete set of stiffer type road springs exactly similar to those… | ||
| Scan223 | Letter to a supplier regarding the manufacture and defects of Phantom II stiffer type road springs. | ||
| View original record | c. C.O. x44-9. Expl. Dept. Hs/RH.1/MJ. May 8th.1930. Thos. Firth & Sons,Ltd., Norfolk Works, SHEFFIELD. Dear Sirs, PHANTOM 11 STIFFER TYPE ROAD SPRINGS. With reference to the complete set of front and… | ||
| Scan224 | Letter regarding improvements to the bedding of leaves for Phantom II stiffer type road springs. | ||
| View original record | X4429. ALL COMMUNICATIONS TO BE ADDRESSED TO THE COMPANY. Telegraphic Address: 'FIRTH SHEFFIELD' Telephones: NORFOLK WORKS SHEFFIELD 23031 TINSLEY WORKS ATTERCLIFFE 41193 Codes A B C WESTERN UNION A1… | ||
| Scan225 | Urgent internal request to order a pair of special front springs for a 20 HP model from Firths. | ||
| View original record | O.O. From Hs/Rn. X4429. Hs/Rn.2/MJ.14.5.30. 20 HP. FRONT SPRINGS. X4429 X5410. Will you please order a pair of special front springs from Firths to the following specification - Length between spring… | ||
| Scan226 | Order request for a pair of special low rating front springs for a Phantom II. | ||
| View original record | x4429. O.O. From Hs/Rn. Hs/Rn.4/MJ.19.5.30. x4429 Y7410 PHANTOM 11 SPECIAL LOW RATING FRONT SPRINGS. Will you please order for us from Messrs. Firths a pair of special front springs to the following… | ||
| Scan227 | Rejected cast of S.L.V. steel for valves, the resulting production difficulties, and the analysis of a new cast. | ||
| View original record | X4429. WCR. c. to BY. c. to Hs. c. to Sft. c. to EP. ROY/RCB3/HP2.6.30. S.L.V. Steel for Valves. We regret to inform you that we are advised by our suppliers of the above material, Messrs. Thos. Firth… | ||
| Scan228 | Letter regarding the rejection of a cast of S.L.V. steel for valves and the ordering of a further cast from Messrs Firths. | ||
| View original record | ROY. c.Hor. c.HS. X4429 BY/EM4/J.4.6.30. S.L.V. Steel for Valves. We note the contents of your letter ROY/RCB3/HP, 2.6.30, with regard to the above material and we observe that Messrs Firths, have had… | ||
| Scan229 | Supply delay of S.L.V. Valve Steel and the proposal to use H.R. Crown Steel as a substitute. | ||
| View original record | x4429. To BY, from ROY. c. to SH. [struck through] c. to SFT. [struck through] c. to Rg. [struck through] c. to Hs. ------------------ ROY6/GL1.6.30 Messrs. Thos. Firth & Sons Ltd advise that, despite… | ||
| Scan230 | The supply and allocation of S.L.V. Steel for Valves. | ||
| View original record | 14429 RECEIVED JUN 30 1930 H- WOR c. to BY. c. to Hs. c. to Blu. c. to EP. c. to Hs. ROY/RCB1/HP30.6.30. S.L.V. Steel for Valves. You will be pleased to learn that supplies of the above steel are now… | ||
| Scan231 | Conservation of S.L.V. Steel due to a supply shortage and a dispute with supplier Firths over H.R. Crown Steel. | ||
| View original record | x4429. REC'D JUL 1.1 1930 RHS/MGL.7.30 To BY. from ROY. C. to mox. C. to RG C. to Hs C. to SPT --------------- Now we have small initial supplies of S.L.V.Steel on the ground, but unfortunately can… | ||
| Scan232 | Postscript memo about an upcoming works closure for the annual holiday and its impact on steel supplies. | ||
| View original record | To BY c. to Wor.Rg. Hs, SFT ROY5/MG1.7.30 continued. 1.7.30 P.S. Approximately three weeks from now brings us to the date the Works close down for the Annual Holiday, i.e., 26th July. Further supplies… | ||
| Scan233 | The experimental use of H.R. Crown Steel for inlet valves as a replacement for S.L.V. steel. | ||
| View original record | RECEIVED JUL 12 1930 H [crossed out] ROY. [/crossed out] [crossed out] C. WOT. [/crossed out] [crossed out] C. SH. [/crossed out] C. Hs. X44-9 BY1/G.24.7.30. X4429 VALVE STEEL. ------------ As I… | ||
| Scan234 | Despatch order for the replacement of a pair of failed special front springs for a 20-HP chassis. | ||
| View original record | X4429 RECEIVED 9/BDS Hs/Rm. JUL 10 1930 HS ROY/J11/FS.10.7.30. Please despatch carriage fwd paid to:- Messrs Thos Firth & Sons Ltd., Norfolk Works, Sheffield. 1 pair Special Front Springs for 20-HP… | ||
| Scan235 | The failure and return of two 20 HP front springs for rebuilding. | ||
| View original record | O.O. ROY. From Hs/Rn. c. to Stores. c. to S.O. 8442-9 Hs/Rn. 2/MJ.10.7.30. X540 LOWER RATING 20 HP. FRONT SPRINGS. SERIAL NO'S 2336J. 2337L We are sending into the Stores for return to Messrs. Thomas… | ||
| Scan236 | Letter to a supplier regarding the failure of two 20 HP front springs during testing, requesting their opinion and replacement. | ||
| View original record | XU429 Expl. Dept. Hs/Rn.3/MJ. July 10th,1930. Messrs. Thomas Firth & Sons, Ltd., Norfolk Works, SHEFFIELD. Dear Sirs, You recently made us two 20 HP. front springs with a free camber of 5", normal… | ||
| Scan237 | Internal order request for two 20 HP front springs with specific poundage for Mr. Royce's car. | ||
| View original record | O.O. From Hs/Rn. V4479 Hs/Rn.6/MJ.10.7.30. Y5960 Will you please order for us a further two 20 HP. front springs similar to those ordered in our Hs/Rn2/MJ. 14.5.30., except that the loaded poundage of… | ||
| Scan238 | Letter to a supplier regarding the failure and performance discrepancy of two experimental springs. | ||
| View original record | c. Hs/Rm. 13th. August 1930. BY16/G. Messrs. Thos. Firth & Sons Ltd., Norfolk Works, Sheffield. For the attention of J. Wortley-Fawcett, Esq. Dear Sirs, Referring to your letter of the 6th inst. (ref.… | ||
| Scan239 | Page 2 of a letter discussing spring design modification and performance consistency. | ||
| View original record | - 2 - 13th. August 1930. improvement if we are to carry higher stress on the spring generally, but granted we can manage this in a modification of the design. It becomes more important than ever that… | ||
| Scan240 | The examination and failure analysis of two experimental 20 HP Front Springs. | ||
| View original record | ALL COMMUNICATIONS TO BE ADDRESSED TO THE COMPANY. Codes ABC WESTERN UNION A1 BENTLEYS LIEBERS ETC THOS FIRTH & SONS, LIMITED NORFOLK WORKS SHEFFIELD Telegraphic Address: 'FIRTH SHEFFIELD' Telephones:… | ||
| Scan241 | Letter from a supplier regarding the cause of a component failure due to overstressing and fatigue. | ||
| View original record | Continued. (2) Messrs. Rolls-Royce, Ltd., D E R B Y. August 6th 1930. We are of the opinion, therefore, that the failure is due to overstressing. The fracture has started at the oil-hole in the top… | ||
| Scan242 | Letter to Thos Firth & Sons regarding the performance of springs during an intensive test and requesting suggestions for improvement. | ||
| View original record | X.4429. Hs/Rn5/AD. 13th August, 1930. Messrs. Thos Firth & Sons, Norfolk Works, Sheffield. Dear Sirs, With reference to your letter HWP/AR/649. of the 6th inst. we note what you say about these… | ||
| Scan243 | The satisfactory examination of nitrided Firth's H.R. Crown valve stems from Nitralloy Limited. | ||
| View original record | RHO. c.Hs. X4429 BY/EM7/J,17.9.30. Firth's H.R.Crown Valves. -------------------------- We have received from Messrs Nitralloy Limited, a number of valves produced in the above material which have… | ||
| Scan244 | Internal order for a pair of special stiffer type road springs to be sourced from Messrs. Firth Ltd. | ||
| View original record | X4729 O.O. From Hs/Rn. Hs/Rn.2/MJ.22.9.30. 26-EX. Y7410 Y4489 Will you please order for us from Messrs. Firth Ltd. - One pair of Special Stiffer Type road springs. Free camber 5" pos., Loaded camber… | ||
| Scan245 | Urgent request to order two pairs of low rating front springs for a 20 HP vehicle. | ||
| View original record | By C.G. From Hs/Rn. J 4429 Hs/Rn.1/MJ. 26.9.30. v4429 x5410 20 HP: FRONT SPRINGS Will you please order for us from Messrs. Firths Two pairs of low rating front springs, having a free camber of 5" pos.… | ||
| Scan246 | Requesting the creation of a pair of Austenitic steel discs for testing as forged cylinder liners. | ||
| View original record | [Stamp: VB/28] [Handwritten: X4429] c.c. Hs. EH-RMG. RG/TsnS/DH.7.10.30. Austenitic Steel. ------------------- Will you please instruct a pair of discs, to the attached drawing, in Firth's Austenitic… | ||
| Scan247 | Returning two low rating front springs to Firths Ltd. to have the poundage altered. | ||
| View original record | Stores. From Hs/Rn. c. to O.O. c. to S.O. 4479 Hs/Rn.1/MW.8.10.30. We are sending into the Stores for return to Messrs. Firths Ltd., two 40/50 1,100 lbs. low rating front springs. These are to have… | ||
| Scan248 | The ordering and modification of low-rating road springs. | ||
| View original record | O.O. From Hs/Rm. Y4429. Hs/Rm.4/MJ.8.10.30. X.4429. X.7410. X.5410. LOW RATING ROAD SPRINGS. Will you please send to Messrs. Firths the weakest pair of rear springs that we have which we understand… | ||
| Scan249 | Composition and heat treatment of various Firth's austenitic steels. | ||
| View original record | X4429. BY/EM3/J.10.10.30. Austenitic Steel. With reference to your note Rg/TSN3/DM.7.10.30, we wish to point out that the following material has been placed on order with Messrs Thomas Firth & Sons… | ||
| Scan250 | Letter from a supplier regarding modifications to an order for rear springs. | ||
| View original record | K4429 ALL COMMUNICATIONS TO BE ADDRESSED TO THE COMPANY Telegraphic Address: 'FIRTH SHEFFIELD' Telephones: NORFOLK WORKS SHEFFIELD 23031 TINSLEY WORKS ATTERCLIFFE 41193 Codes PRIVATE. A.B.C. 6TH… | ||
| Scan251 | Technical letter discussing modifications for an order of springs with increased camber and deflection. | ||
| View original record | GS/DME. Mr. J. Wortley Fawcett, Tinsley. 15th. October, 1930. Rolls Royce Order for Springs - October 11th. This order calls for springs which include modifications from existing designs, in the… | ||
| Scan252 | Letter discussing the specifications and stress analysis of rear springs for a 20 HP model. | ||
| View original record | Mr. J. Wortley Fawcett, Tinsley. 15th. October, 1930. be willing to adopt in springs of 66" span to their drawing No. 79439, i.e. the same drawing number as for item 1. Item 3. This calls for a pair… | ||
| Scan253 | Letter to supplier Thos. Firth & Sons, Ltd. clarifying an order for experimental springs. | ||
| View original record | X4479. c. to O.O. Expl. Dept. Hs/Rn.5/MJ. October 17th.1930. Messrs. Thos. Firth & Sons, Ltd., Norfolk Works, SHEFFIELD. Dear Sirs, With reference to your letter of the 16th.inst. ref:JWP., regarding… | ||
| Scan254 | Letter discussing specifications for 1300 lbs. rear springs, including deflection, design, and resistance to failure. | ||
| View original record | -2- Item (2). 1300 lbs. springs to give 12" deflection. We wish you to do the best you can with these springs. If you are afraid of the thickness of the main leaf you can carry the second leaf round… | ||
| Scan255 | Letter from Thos. Firth & Sons confirming the order for special springs has been put in hand. | ||
| View original record | X4429 ALL COMMUNICATIONS TO BE ADDRESSED TO THE COMPANY. Telegraphic Address: 'FIRTH SHEFFIELD' Telephones: NORFOLK WORKS SHEFFIELD 23031 TINSLEY WORKS ATTERCLIFFE 41193 Codes PRIVATE, A.B.C. 6TH… | ||
| Scan256 | Sending two pairs of rear springs for camber alteration to Messrs. Thos. Firth & Sons, Ltd. | ||
| View original record | To O.O. From Hs/Rn. c. to Stores. c. to S.O. X4429 Hs/Rn.6/MJ.21.10.30. We are sending into the Stores, for despatch to Messrs. Thos. Firth & Sons, Ltd., two 700 lbs. 20 HP. rear springs. These are to… | ||
| Scan257 | Refurbishment of worn 20 HP rear road springs by Messrs. Firths. | ||
| View original record | Handwritten: 4429. Mr. Dolman, O.O. From Hs/Rn. Hs/Rn.1/MJ.23.10.30. 20 HP. REAR ROAD SPRINGS 700 LBS. X.5410. X.4429. We have sent these road springs into the Stores. They are badly worn. We should… | ||
| Scan258 | Internal order request for Phantom II road springs with specific measurements. | ||
| View original record | Order Office from Hs/Rm. x4429. Hs/Rml/ADL8.11.30. x7410. x4429. PHANTOM II ROAD SPRINGS. Will you please order for us from Messrs. Firther the following road springs :- One pair rear type E.79430… | ||
| Scan259 | Internal memorandum requesting an order for Phantom II road springs and discussing design specifications. | ||
| View original record | O.O. From Hs/Rn. X4429. Hs/Rn.3/MJ.29.11.30. X.4429. X.7410. Will you please order the following Phantom 11 road springs for us :- Front. F.78792. Free Camber 4.5". Loaded Camber Flat. Max. Bump 2.5"… | ||
| Scan260 | Urgent request for a set of special road springs for a Phantom II car, including detailed specifications. | ||
| View original record | COPY. X4429 O.O. From Hs/Rn. c. to Roy. c. to Wor. Hs/Rn.1/MJ.1.12.30. PHANTOM II ROAD SPRINGS. X.4429. X.7410. We urgently require a set of special road springs for R's car which leaves for France on… | ||
| Scan261 | Letter from a supplier confirming the design and delivery schedule for a set of 40/50 Road Springs for Mr. Royce's car. | ||
| View original record | 14429 ALL COMMUNICATIONS TO BE ADDRESSED TO THE COMPANY. Telegraphic Address: "FIRTH SHEFFIELD" Telephones: NORFOLK WORKS SHEFFIELD 23031 TINSLEY WORKS ATTERCLIFFE 41193 Codes PRIVATE, A.B.C. 6TH… | ||
| Scan262 | Internal order request for two sets of 20 HP springs. | ||
| View original record | O.O. From Hs/Rn. C. to Wor. x 4449 Hs/Rn.2/MJ.13.12.30. X5410. Will you please order for us two sets of 20 HP. springs to the attached specification. We should like Messrs. Firths to give us a promise… | ||
| Scan263 | Specification sheet for lower rating springs required for model 18-G4. | ||
| View original record | LOWER RATING SPRINGS REQUIRED FOR 18-G4. FRONT - 50% Increase in deflection. Loaded lbs. 650. Loaded Camber Flat. Initial Camber 3.375" Max. Bump. 2.2" Neg. Length 38" Material S/SLM. REAR - 25%… | ||
| Scan264 | Letter regarding special springs with increased deflection for a 20 HP Chassis, detailing changes to mainplate thickness and resulting stress. | ||
| View original record | Y4429. ALL COMMUNICATIONS TO BE ADDRESSED TO THE COMPANY. Telegraphic Address: 'FIRTH SHEFFIELD' Telephones: NORFOLK WORKS SHEFFIELD 23031 TINSLEY WORKS ATTERCLIFFE 41193 Codes PRIVATE, A.B.C. 6TH… | ||
| Scan265 | Internal order for front and rear 40/50 model road springs with detailed specifications. | ||
| View original record | To. Order Office. 4429 Hs/Rm.1/KT.23.1.31. 40/50. ROAD SPRINGS. X.7410. X.4429. Will you please order for us two pairs of 40/50. front road springs. Free Camber 4.5" Pos. Loaded Camber Flat. Poundage… | ||
| Scan266 | Order for two pairs of 20 HP front road springs with specifications. | ||
| View original record | To. Order Office. X4429 Hs/Rm.2/KT.23.1.31. 20 HP. ROAD SPRINGS. X.5410. X.4429. Will you please order for us two pairs of 20 HP. front springs. Free Camber 4.5" Pos. Loaded Camber .5" Pos. Poundage… | ||
| Scan267 | Internal order specifying details for Phantom 1 front and rear road springs. | ||
| View original record | O.O. From Hs/Rn. X4489. Hs/Rn.1/MJ.28.1.31. X.4429. X.8410. Will you please order for us the following Phantom 1 road springs :- Rear. Unloaded Camber 3.75". Loaded Camber 1.5". Poundage at 1.5" Neg.… | ||
| Scan268 | Preliminary specification for a low rating suspension for the 20 HP model, modified from the Phantom II for the American market. | ||
| View original record | X4429. LOW RATING SUSPENSION FOR 20 HP. X.5410. X.4429. The preliminary specification for the low rating spring to 20 HP. cars follows the modification we have made to the Phantom II. to suit the… | ||
| Scan269 | Update on the manufacturing and delivery schedules for F-Type and R-Type engine components. | ||
| View original record | X4429 C. To Wor. from ROY. c. to HG. c. to EY c. to Hs. c. to RHC ------------------ Messrs. Firth-Derihon advise that the joint manufacturing arrangements made with Messrs. Thos. Firth and Messrs.… | ||
| Scan270 | Listing various road springs in stores for disposal, with instructions for each batch. | ||
| View original record | Hs/CEP. From Hs/Lid. X44-29. Hs/Lid.4/KT.6.3.31. ROAD SPRINGS. There are a considerable number of road springs in our Stores for which we have no further use, will you please arrange for their… | ||
| Scan271 | Request to allot various American Type, 25 HP, front, and rear road springs to the Experimental Department. | ||
| View original record | To O.O. From Hs/Rm. K44-29 Hs/Rm.1/KT.7.3.31. ROAD SPRINGS. K3055 Will you please allot to the Expl. Dept. one pair of the American Type low rating front springs (Free Camber 4.5") from the batch… | ||
| Scan272 | Requesting an alteration to the poundage and camber specifications for P.I. Road Springs. | ||
| View original record | To O.O. From Hs/Rm. +4429. Hs/Rm.5/KT.23.3.31. +8410. P.I. ROAD SPRINGS. 110-DC. We want the poundage of the springs that we ordered in Hs/Rm.1/MJ.28.1.31. altering to 2250 lbs. at .5" negative camber… | ||
| Scan273 | Letter regarding an order to alter springs, providing alternative recommendations. | ||
| View original record | ALL COMMUNICATIONS TO BE ADDRESSED TO THE COMPANY. X4429 Telegraphic Address: 'FIRTH SHEFFIELD' Telephones: NORFOLK WORKS SHEFFIELD 23031 TINSLEY WORKS ATTERCLIFFE 41193 THOS FIRTH & SONS, LIMITED… | ||
| Scan274 | Comparison of specifications, plate dimensions, and stresses for three different spring designs. | ||
| View original record | Existing Springs (A) Load: 2150 lbs (plus) Deflection .5 1/2" Free Camber: 3.75" + Loaded Camber: 1.5" Neg. Suggested Spring (B) Revised Specification:- Load. 2720 lbs. Deflection .5 1/2". Free or… | ||
| Scan275 | Cover letter to a supplier regarding the dimensions of spring clips. | ||
| View original record | Expl. Dept. Hs/Rm.4/MJ. April 8th.1931. Messrs. Firth & Sons, Ltd., Norfolk Works, Sheffield. Dear Sirs, With reference to your letter - herewith the dimensions of the spring clips that you require.… | ||
| Scan276 | Sketch detailing the minimum and maximum dimensional tolerances for the P1 Rear Springs. | ||
| View original record | 10.000 MAX 9.750 MIN 10.000 MAX 9.750 MIN P1 REAR Springs | ||
| Scan277 | Sending two rear springs to Cricklewood for car GLR-59, with a handwritten request for the springs' specifications. | ||
| View original record | X4429. Stores. From Hs/Rm. c. to S.O. O.O. Hs/Rm.4/MJ.18.4.31. We are sending into the Stores for despatch to Cricklewood - Two rear springs to F.57192, Poundage 1045 and 1050. These springs are for… | ||
| Scan278 | Instruction to fit low rating springs to the rear of chassis No. 110-DC. | ||
| View original record | x4+29 To Hd. From Hs/Rm. Hs/Rm.9/KT.20.4.31. 110-DC. Will you please fit the low rating springs which we are sending over to you to the rear of chassis No. 110-DC. Hs/Rm. | ||
| Scan279 | Letter to Messrs Thos. Firth & Sons regarding the testing and proposed redesign of flexible road springs for a 25 HP car. | ||
| View original record | X4429. X.4429. X.5410. Expl. Dept. Hs/Rm.8/KT. 21st. May, 1931. Messrs Thos. Firth & Sons, Ltd., Norfolk Works, Sheffield. Dear Sirs, FLEXIBLE ROAD SPRINGS. We have now completed a series of tests on… | ||
| Scan280 | Letter from Thos. Firth & John Brown Limited regarding an enquiry for flexible road springs. | ||
| View original record | THOS. FIRTH & JOHN BROWN LIMITED, ALL COMMUNICATIONS TO BE ADDRESSED TO THE COMPANY. ATLAS and NORFOLK WORKS, Codes: PRIVATE, A.B.C. 6th EDITION, BENTLEY'S 1012 & 1929, LIEBERS, LOMBARD, MARCONI,… | ||
| Scan281 | Letter from a supplier discussing the design and testing of alternative flexible road springs for a 20 HP car. | ||
| View original record | THOS. FIRTH & JOHN BROWN LIMITED. ALL COMMUNICATIONS TO BE ADDRESSED TO THE COMPANY. ATLAS AND NORFOLK WORKS. Codes: PRIVATE A.B.C. 6TH EDITION. BENTLEYS 1912 & 1929. LIEBERS. LOMBARD. MARCONI.… | ||
| Scan282 | Particulars of high deflection front springs for the 20/25 HP model, including three alternative suggestions. | ||
| View original record | High Deflection 20/25 HP. Dated May 27th. 1931. Front Springs. Particulars of Springs. Description. Plate Nos. Thick. Inches. Finished. Lengths Inches. Ecc. Dist. Inches. Remarks. High Deflection… | ||
| Scan283 | Letter from Thos. Firth & John Brown, Ltd. regarding the design of 20 HP Flexible Road Springs. | ||
| View original record | 84429. THOS. FIRTH & JOHN BROWN, LIMITED, SUCCESSORS TO THE COMPANY. WORKS. London Office: 8 THE SANCTUARY, WESTMINSTER, S.W.1. Telegraphic Address: "MESMERIC, PARL, LONDON" Telephone Number: 8310… | ||
| Scan284 | Comparison of design specifications for five, six, and seven plate springs. | ||
| View original record | May 28th. 1931. Suggestion. | Designed to give ---|--- First | Load = 700 lbs. (A) | Free Camber = 3.5" positive. Five Plate Spring. | Loaded Camber = .5" " | Deflection | due to load. = 3 Inches.… | ||
| Scan285 | Letter detailing the specifications for 20/25 HP Front Flexible Road Springs. | ||
| View original record | THOS. FIRTH & JOHN BROWN, LIMITED. Please note our Telephone Numbers now are :- ATLAS & NORFOLK WORKS - 20081 (11 Lines). TINSLEY WORKS - 41193 (4 Lines). N.95. 27th April, 1931. SHEFFIELD London… | ||
| Scan286 | Specification sheet for a 25 HP Front Road Spring. | ||
| View original record | X4429. 30.5.31. X5410 X4429. Re. 25 HP. FRONT ROAD SPRING. Piece No. F.55520. Length 38". Loaded Lbs. 720. Width 1.75" Loaded Camber 3/4" Pos. Initial Camber 4.250 Thickness of plates. - Main plate… | ||
| Scan287 | Receipt and testing of new, cheaper road springs for the 20/25 HP and Phantom II models. | ||
| View original record | RECEIVED 1931 JUN 18 HS Hs. C.ROY/HAW X4429. BY/EMA/J.18.6.31. Road Springs. Will you kindly note that we have now received from Messrs. Firths, one set of 20/25 H.P. front and rear springs and one… | ||
| Scan288 | Specification sheet for 20/25 Hp car spring weights for Firths springs. | ||
| View original record | x4429. 6.11.31. x541D. 20/25 Hp. CAR SPRING WEIGHTS. (FIRTHS SPRINGS.) 1. Front springs. High Rating Medium Rating Low Rating Spring. Springs. Springs. Drawing No. F-57735. F-56511 F-57900 Piece No.… | ||
| Scan289 | Forwarding a paper on heat treatment tests for axle springs and the fatigue resistance of spring steels. | ||
| View original record | 84429. To BY. from ROY. c. to Hs. c. to Hs/Rm ROY8/MG10.11.31 I am indebted to Mr. Porter, of Messrs. Firth & Sons Tinsley, for copy of a Paper recently read in Sheffield by Messrs. G.A.Hankins, and… | ||
| Scan290 | Changes to the specifications of road springs for the Peregrine model. | ||
| View original record | X4489. x4037 By. From Hs/Rm. c. to Ms. c. to E. Hs/Rm.1/MA.13.8.32. PEREGRINE ROAD SPRINGS. We now have particulars of the bodies that are being obtained for Peregrine. We find that two lighter bodies… | ||
| Scan291 | The testing and comparison of Woodhead road springs against standard Firths springs on a 25HP bumper chassis. | ||
| View original record | X4429. X3854. By. From Hs/Les. c. to E. c. to Wor. c. to Roy. Hs/Les.1/MA.5.11.32. WOODHEAD ROAD SPRINGS ON 25HP. BUMPER. We have tested a set of Woodhead low rating road springs on the 25HP. bumper… | ||
| Scan292 | Spring lubrication issues and plans for testing new Woodhead springs. | ||
| View original record | -2- Hs/Les.1/WA.5.11.32. Cont'd. Up to the end of the running this lubricant was oozing out of the spring. On dismantling we found that the rear ends of the rear springs were slightly dry. We do not… | ||
| Scan293 | Use of Rolled versus Solid Eyes on axle springs for various chassis models. | ||
| View original record | To BY from ROY. c. to Hs. X4479. ROY3/MG12.11.32 Axle Springs I gather we are all in agreement that the use of Rolled Eyes on our 20 HP. and 40/50 HP. Chassis Axle Springs is satisfactory. The 20 HP.… | ||