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 wearing plates fitted between the rear springs and rollers to overcome knocking.
| Identifier | ExFiles\Box 80\2\ scan0374 | |
| Date | 11th December 1920 | |
| R R 755 (5 H) (S.H. 187, 20-8-20) G.{Mr Griffiths - Chief Accountant / Mr Gnapp} 2807. COMPLETED 2.3.21 STANDARDISATION of CHASSIS PARTS Date 11.12.20. Description of Parts. Rear Springs - Wearing plates fitted between spring and roller. 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. Run on 49GB. 500 miles, appearance satisfactory on examination. No knocks have developed at present. F.7856/71 to be scrapped on N. Series -500 Sets. Signature of Exp. Dept. that above is correct. T.M. Warwick. Weight of Old Part. 1 Lb. Cost of Old Part. £ 3/8¾ Weight of New Part. 1 lb. 12 ozs. Cost of New Part. £ 5/5¾ Difference per Car. 12 ozs. increase. Difference per Car. £ 1/9¾ increase. Signature of Mr. DeLOOZE that above is correct. D/Rd. 16.12.20 SIGNATURES Mr. JOHNSON Mr. ROYCE Mr. WORMALD Mr. BARRINGTON Mr. DAY Mr. BAILEY Mr. PLATFORD Mr. NORTHEY EWI. for R.R. Inc. DATE 23.12.20 3.2.21 16.12.20 15.12.20 17.12.20 13.12.20 13/12/20 13.12.20 REMARKS Agree with BJ F.Wormald BJ. Agreed if very urgent but consider further test beyond 500 miles should be made at once. FHR. Agreed. Wor.{Arthur Wormald - General Works Manager} DEC. 20 Agreed. Bn{W.O. Bentley / Mr Barrington} DEC. 20 Agreed. ADa. Agreed. By.{R.W. Bailey - Chief Engineer} Agreed EP.{G. Eric Platford - Chief Quality Engineer} Agreed. I conclude these will not be necessary if we revert to thin leaves. PN.{Mr Northey} X No. A209. Drawing No. F.8614. F.8584 F8922 Part List. 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 [checked] Use existing stock. Alteration effective on future Chassis. Cost of Parts in Works which will be scrapped if commenced on:- Series...N.. 92.3.9 Series......£...... Series......£...... Storekeeper advised re above: Storekeeper's Signature. | ||