Standardisation of chassis parts, specifically pistons with a 5.75 to 1 compression ratio.
| Identifier | ExFiles\Box 105\2\ scan0211 | |
| Date | 4th January 1932 | |
| RR 783 (10M) (19120. 13-10-31) BM. 3/7585. X5040 COMPLETED 16.2.32. STANDARDISATION of CHASSIS PARTS. Description of Parts. Pistons 5.75 to 1 Comp. ratio Origin. To increase compression for higher efficiency of engine. Experimental Test Report. Fitted to 18-G4 for test in France. These are fitted in conjunction with high left camshaft. Road Test Report. Fitted to 18-GIV and ran 10,000 miles in France. Pistons were in good condition at finish of test. Detonations were no more pronounced than standard. LOP X No. 55804 Drawing No. E.57122 Part List A {Mr Adams} /P404 Weight of Old Part. Weight of New Part. Difference per Car. Cost of Old Part. £ Cost of New Part. £ Difference per Car. £ negligible Cost of Parts in Works which will be scrapped if commenced on:- Series.........£....... Series.........£....... Series.........£....... Signature from Cost Dept. that above is correct. GHK 10/2/32 H. {Arthur M. Hanbury - Head Complaints} Leamy INITIAL | DATE | REMARKS SG. {Arthur F. Sidgreaves - MD} | 15-2-32 | Agreed Sg. {Arthur F. Sidgreaves - MD} R. {Sir Henry Royce} | 14.1.32. | Agreed FHR. WOR. {Arthur Wormald - General Works Manager} | 6.1.32. | Agreed Wor. {Arthur Wormald - General Works Manager} C. | 7.1.32. | Agreed C. RG. {Mr Rowledge} | 7.1.32. | Agreed Rg. {Mr Rowledge} DA. {Bernard Day - Chassis Design} | 11.1.32. | Agreed Da. {Bernard Day - Chassis Design} BY. {R.W. Bailey - Chief Engineer} | 7.1.32. | Agreed BY. {R.W. Bailey - Chief Engineer} EP. {G. Eric Platford - Chief Quality Engineer} | 6.1.32. | Agreed - but detonations were more pronounced than standard. EP. {G. Eric Platford - Chief Quality Engineer} E. {Mr Elliott - Chief Engineer} | 11.1.32. | Agreed AE. PN. {Mr Northey} | 7.1.32. | Agreed PN. {Mr Northey} HS. {Lord Ernest Hives - Chair} | | Agreed Hs. {Lord Ernest Hives - Chair} | ||
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).