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 a test report on India Tyres as an alternative to Dunlop tyres.
| Identifier | ExFiles\Box 172\1\ img205 | |
| Date | 4th March 1931 | |
| RR 758 (10M) (3-7-30) BM. 6/2571. ORIGINAL COMPLETED 25.11.31. STANDARDISATION of CHASSIS PARTS. Date 4.3.31. X No. 4462. Description of Parts: India Tyres. Super Duty 6.00 X 19. for 4 1/2 X 19. Wheel. Drawing No. Part List Origin: Alternative to Dunlop. Experimental Test Report: This tyre was tested with a view to having something that we could recommend to Customers who dislike Dunlops. Road Test Report: Run 10,000 miles 18.G.IV. These appear to be a reasonable compromise for silence and safety. The life is as good as anything we have previously had. Pressure 5 lbs/sq.in. less than Dunlops. Actions: 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 yet handed to test. D Use existing stock. Alteration effective on future Chassis. (Ticked) [Stamped Text: 20/25 H.P. CHASSIS] Weight of Old Part. Cost of Old Part. £ 10. 1. 8d. Weight of New Part. Cost of New Part. £ 12. 15. 0d. Difference per Car. Difference per Car. £ 2. 13. 4d. Increase: Cost of Parts in Works which will be scrapped if commenced on :- Series.........f......... Series.........f......... Series.........f......... Signature from Cost Dept. that above is correct. G/Rb.{R. Bowen}13.11.31. G.13.11.31. Wor.{Arthur Wormald - General Works Manager} APPROVALS: INITIAL | DATE | REMARKS SG.{Arthur F. Sidgreaves - MD} | 16.11.31. | Agreed Sg.{Arthur F. Sidgreaves - MD} R.{Sir Henry Royce} | 12/4/31 | Agreed SHR WOR.{Arthur Wormald - General Works Manager} | 16.3.31. | Agreed Wor.{Arthur Wormald - General Works Manager} C. | 11.3.31. | Agreed C. (As asked for). RG.{Mr Rowledge} | 7.3.31. | Agreed Rg.{Mr Rowledge} DA.{Bernard Day - Chassis Design} | 7.3.31. | Agreed Da.{Bernard Day - Chassis Design} BY.{R.W. Bailey - Chief Engineer} | 9.3.31. | Agreed By.{R.W. Bailey - Chief Engineer} EP.{G. Eric Platford - Chief Quality Engineer} | 6.3.31. | Agreed EP.{G. Eric Platford - Chief Quality Engineer} E.{Mr Elliott - Chief Engineer} | 9.3.31. | Agreed AE. PN.{Mr Northey} | | HS.{Lord Ernest Hives - Chair} | | Agreed Hs.{Lord Ernest Hives - Chair} | ||