From the Rolls-Royce experimental archive: a quarter of a million communications from Rolls-Royce, 1906 to 1960's. Documents from the Sir Henry Royce Memorial Foundation (SHRMF).
Standardisation of rear spring wearing plates fitted between the spring and roller to overcome a knock.
| Identifier | ExFiles\Box 171\3\ img083 | |
| Date | 11th December 1920 | |
| R R 755 (5 H) (S.H. 157. 20-8-20) G.{Mr Griffiths - Chief Accountant / Mr Gnapp} 2807. ORIGINAL 7321 STANDARDISATION of CHASSIS PARTS Date 11.12.20. X No. 4209. Drawing No. 8614. Part List. F.8584 F.8922 Scheme 33 Description of Parts.: Rear Springs - Wearing plates fitted between spring and roller. Origin: To overcome knock between sides of spring and roller. Experimental Test Report: See attached Hs{Lord Ernest Hives - Chair}/TMW4/LG91220. Road Test Report: Fitted to 49GB. run 500 miles, appearance satisfactory on examination. No knocks have developed at present. F.7856/71 to be scrapped on N. Series.-500 Sets. A Scrap and replace at all costs, including Chassis already delivered to customers. B Scrap and replace on Chassis in works. C Scrap present stock and replace on all Chassis not yet handed to test. D Use existing stock. Alteration effective on future Chassis. Cost of Parts in Works which will be scrapped if commenced on:- Series...N.,2,3,9 Signature of Exp. Dept. that above is correct: T.M. Warwick Weight of Old Part: ---1'LB. Cost of Old Part: £ 3/8d Weight of New Part: 1 lb. 12 ozs. Cost of New Part: £ 5/5d Difference per Car: 12 ozs. increase. Difference per Car: £ 1/9d increase. Signature of Mr. DELOOZE that above is correct: D/Rd. 16.12.20 SIGNATURES | DATE | REMARKS Mr. JOHNSON | B. Johnson 23.12.20 | Agreed if very urgent but consider further test beyond 500 miles should be made at once BJ Mr. ROYCE | 3.2.21 | Agreed FHR Mr. WORMALD | 16.12.20. | Agreed. Wor.{Arthur Wormald - General Works Manager} Mr. BARRINGTON | 15.12.20. | Agreed. Bn.{W.O. Bentley / Mr Barrington} Mr. DAY | 17.12.20. | Agreed. Da.{Bernard Day - Chassis Design} Mr. BAILEY | 13.12.20 | Agreed. By.{R.W. Bailey - Chief Engineer} Mr. PLATFORD | 13.12.20 | Agreed. EP.{G. Eric Platford - Chief Quality Engineer} Mr. NORTHEY EWI. for R.R. Inc. | 13.12.20. | Agreed. I conclude these will not be necessary if we revert to thin leave | ||