Standardisation of parts document for stepped exhaust valve stems.
| Identifier | ExFiles\Box 171\2\ img166 | |
| Date | 1st June 1934 | |
| RR 755 (SH) (57312, 29-12-33) BM 3/640/2 COMPLETED 21.6.34. 40/50 STANDARDISATION of PARTS. Date 1.6.34. Description of Parts. EXHAUST VALVE STEMS STEPPED. Drawing No. X No. 7060. Part List Origin. To prevent valves sticking, and to bring into line with 20/25 HP. & Bentley. Report of Experimental Test. Fitted to 28-EX and ran 10,000 miles in France. 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. G {Mr Griffiths - Chief Accountant / Mr Gnapp} /RB. {R. Bowen} 29.5.34. INITIAL | DATE | REMARKS SG. {Arthur F. Sidgreaves - MD} | 19.6.34. | Agreed Sg. {Arthur F. Sidgreaves - MD} WOR. {Arthur Wormald - General Works Manager} | 4.6.34. | Agreed Wor. {Arthur Wormald - General Works Manager} C. | 4.6.34. | Agreed C. RG. {Mr Rowledge} | | Rg. {Mr Rowledge} absent. DA. {Bernard Day - Chassis Design} | 6.6.34. | Agreed Da. {Bernard Day - Chassis Design} BY. {R.W. Bailey - Chief Engineer} | 5.6.34. | Agreed By. {R.W. Bailey - Chief Engineer} EP. {G. Eric Platford - Chief Quality Engineer} | 2.6.34. | Agreed EP. {G. Eric Platford - Chief Quality Engineer} E. {Mr Elliott - Chief Engineer} | 6.6.34. | Agreed AE. BN. {W.O. Bentley / Mr Barrington} | 4.6.34. | Agreed Bn. {W.O. Bentley / Mr Barrington} SFT. {Mr Swift} | 4.6.34. | Agreed Sft. {Mr Swift} MX. {John H Maddocks - Chief Proving Officer} | 2.6.34. | Agreed Mx. {John H Maddocks - Chief Proving Officer} HS. {Lord Ernest Hives - Chair} | 1.5.34. | 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).