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 chassis parts, specifically servo operating levers and ball bearing cams.
| Identifier | ExFiles\Box 171\2\ img015 | |
| Date | 26th September 1931 | |
| RR 755 (10M) (3-7-30) BM. 6/2579 ORIGINAL COMPLETED 4.4.32. STANDARDISATION of CHASSIS PARTS. Date 26.9.31 X No. 7370 Description of Parts. SERVO OPERATING LEVERS 35° & 45° BALL BEARING CAMS. Origin. To facilitate production and obtain smooth working Cams. Experimental Test Report. Road Test Report. PHANTOM Fitted to 25-EX for tests in France. Fitted to 25-EX and ran 20,000 miles in France. Servo operation throughout the mileage was very smooth - requires no automatic oiling. 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. Weight of Old Part. Cost of Old Part. £ 1. 5. 5d. Weight of New Part. Cost of New Part. £ - 18. 9d. Difference per Car. Difference per Car. £ - 6. 8d. Decrease. Cost of Parts in Works which will be scrapped if commenced on :- Series.........£....... Series.........£....... Series.........£....... Wor.{Arthur Wormald - General Works Manager} Signature from Cost Dept. that above is correct. C/Rb.{R. Bowen}24.3.32. G.31.3.32. INITIAL | DATE | REMARKS SG.{Arthur F. Sidgreaves - MD} | 1.4.32 | Agreed Sg.{Arthur F. Sidgreaves - MD} R.{Sir Henry Royce} | 3/10/31 | Agreed FHP WOR.{Arthur Wormald - General Works Manager} | 30.9.31 | Agreed Wor.{Arthur Wormald - General Works Manager} C. | 30.9.31 | Agreed C. RG.{Mr Rowledge} | 7.10.31 | Agreed Rg.{Mr Rowledge} DA.{Bernard Day - Chassis Design} | 2.10.31 | Agreed Da.{Bernard Day - Chassis Design} BY.{R.W. Bailey - Chief Engineer} | 11.1.32 | Agreed By.{R.W. Bailey - Chief Engineer} EP.{G. Eric Platford - Chief Quality Engineer} | 5.10.31 | Agreed EP.{G. Eric Platford - Chief Quality Engineer} E.{Mr Elliott - Chief Engineer} | 5.10.31 | Agreed AE. PN.{Mr Northey} | 30.9.31 | Agreed PN.{Mr Northey} HS.{Lord Ernest Hives - Chair} | | Agreed. | ||