Standardisation of a cast iron cylinder head machined to Hs.1372 for improved performance.
| Identifier | ExFiles\Box 86\1\ scan0136 | |
| Date | 7th September 1934 | |
| RR 755BN {W.O. Bentley / Mr Barrington} (SH) (57312, 29-12-33) BM. 3/640/2 COMPLETED 1.3.35. BENTLEY STANDARDISATION OF PARTS. Description of Parts. CYLINDER HEAD IN CAST IRON AND MACHINED TO Hs. {Lord Ernest Hives - Chair} 1372. Origin. To give improved performance in conjunction with larger Inlet Valves. Report of Experimental Test. Fitted to 4-B-IV and run 10,000 miles in France. This sheet also includes larger Inlet Valves EX.11474 and EX.12089, and smaller Exhaust Valves EB.1325). Date 7.9.34. X No. 219. Drawing No. LeC. 3662. Part List Weight of Old Part. Weight of New Part. Difference per Car. Cost of Old Part. £ Cost of New Part. £ Difference per Car. No extra Cost if made in production quantities G {Mr Griffiths - Chief Accountant / Mr Gnapp} /RL 7/1/35 Signature from Cost Dept. that above is correct. Cost of Parts in Works which will be scrapped if commenced on:- Series.........£......... Series.........£......... Series.........£......... INITIAL | DATE | REMARKS SG. {Arthur F. Sidgreaves - MD} | 26-2-35. | Agreed Sg. {Arthur F. Sidgreaves - MD} for use in special cases only. J.S/59. WOR. {Arthur Wormald - General Works Manager} | 9.1.35. | Agreed Wor. {Arthur Wormald - General Works Manager} C. | 9.1.35. | Agreed C. RG. {Mr Rowledge} | | DA. {Bernard Day - Chassis Design} | 17.1.35. | Agreed Da. {Bernard Day - Chassis Design} BY. {R.W. Bailey - Chief Engineer} | 9.1.35. | Agreed By. {R.W. Bailey - Chief Engineer} EP. {G. Eric Platford - Chief Quality Engineer} | 9.1.35. | Agreed EP. {G. Eric Platford - Chief Quality Engineer} E. {Mr Elliott - Chief Engineer} | 23.2.35. | Agreed AE. Subject to modification mentioned in E.1/HP.23.2.35. BN. {W.O. Bentley / Mr Barrington} | 9.1.35. | Agreed Bn. {W.O. Bentley / Mr Barrington} SFT. {Mr Swift} | 9.1.35. | Agreed Sft. {Mr Swift} MX. {John H Maddocks - Chief Proving Officer} | 9.1.35. | Agreed Mx. {John H Maddocks - Chief Proving Officer} HS. {Lord Ernest Hives - Chair} | 8.1.35. | Agreed Hs. {Lord Ernest Hives - Chair} STAMP: Received. 26 FEB 1935 | ||
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).