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 a plain thrust washer to replace a ball thrust on the off side of the steering pivot.
| Identifier | ExFiles\Box 171\3\ img077 | |
| Date | 5th November 1920 | |
| H.R. 755 (5 M) (S.H. 157, 20-8-20) G.{Mr Griffiths - Chief Accountant / Mr Gnapp} 2607. COMPLETED. 24.11.20 STANDARDISATION OF CHASSIS PARTS. 5.11.20. ORIGINAL Description of Parts. Plain thrust washer in place of ball thrust on off side of steering pivot. Origin. To reduce the tendency of steering wobbles and the oscillation of the steering wheel. Experimental Test Report. It has been proved that the plain thrust is a distinct improvement especially after a car has been used and the steering worn itself free. Road Test Report. Fitted to 49GB. Run 7,000 miles. 4EX. " 6,000 " 7CA. " 1,000 " 1EX. " 3,000 " Mr. Northey's open trial car Lord Rocksavage's car. We have received no adverse criticism. Signature of Exp. Dept. that above is correct. E.{Mr Elliott - Chief Engineer} Hives. Weight of Old Part. Cost of Old Part. £1 . 15 . 8 per chassis Weight of New Part. Cost of New Part. £1 . 3 . 5 per chassis Difference per Car. Difference per Car. £ - . 12 . 3 Decrease in Cost per chassis Signature of Mr. DELOOZE that above is correct. D/D 19-11-20 SIGNATURES Mr. JOHNSON Mr. B. Johnson Mr. ROYCE Mr. WORMALD Mr. BARRINGTON Mr. DAY Mr. BAILEY Mr. PLATFORD Mr. NORTHEY DATE 19 Nov 19.11.20. 22.11.20. 17-11-20 15.11.20. 12.1..20. 8.11.20. 15.11.20. 12.11.20. REMARKS agreed B. Johnson Agreed. Agreed. FHR. Agreed Agreed. Bn.{W.O. Bentley / Mr Barrington} Agreed. Da.{Bernard Day - Chassis Design} Agreed. By.{R.W. Bailey - Chief Engineer} No scrap will use displaced parts on near side. Agreed. EP.{G. Eric Platford - Chief Quality Engineer} Agreed. The effect appears to be good only. FWT. for E R Inc. PNW X No. 3791a. Drawing No. 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 Use existing stock. Alteration effective on future Chassis. Cost of Parts in Works which will be scrapped if commenced on:- Series...£... Series...£... Series...£... Storekeeper advised re above: Storekeeper's Signature. | ||