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 torque reaction dampers.
| Identifier | ExFiles\Box 171\1\ img287 | |
| Date | 22th September 1931 | |
| RR 75B (10M) (S459, 24-10-30) ORIGINAL COMPLETED 30.12.31. STANDARDISATION of CHASSIS PARTS. Description of Parts. TORQUE REACTION DAMPERS. Origin. In conjunction with the diamond mounting of engine. Experimental Test Report. Fitted to 25-EX after first scheme had failed. These were quite satisfactory. Road Test Report. Fitted to 25-EX and ran 5,000 miles in France. These have less unit of pressure and have remained more consistent. Weight of Old Part. £ Weight of New Part. £ Difference per Car. £ Cost of Old Part. Cost of this modification included under standardization sheet XNo. 7280 £10.5 for Diamond engine mounting. Cost of New Part. Difference per Car. Signature from Cost Dept. that above is correct / RD. 28.12.31. G.{Mr Griffiths - Chief Accountant / Mr Gnapp} 28.12.31. 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.......£....... INITIAL | DATE | REMARKS SG.{Arthur F. Sidgreaves - MD} | 29.12.31 | Agreed Sg.{Arthur F. Sidgreaves - MD} R.{Sir Henry Royce} | 28/9/31 | Agreed FHR WOR.{Arthur Wormald - General Works Manager} | 23.9.31 | Agreed Wor.{Arthur Wormald - General Works Manager} C. | 24.9.31 | Agreed C. RG.{Mr Rowledge} | 7.10.31 | Agreed Rg.{Mr Rowledge} DA.{Bernard Day - Chassis Design} | 26.9.31 | Agreed Da.{Bernard Day - Chassis Design} BY.{R.W. Bailey - Chief Engineer} | 23.9.31 | 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} | 28.9.31 | Agreed AE. PN.{Mr Northey} | | ----- HS.{Lord Ernest Hives - Chair} | | Agreed. STAMPED: EXAMINED | ||