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 Stellited Exhaust Valves.
| Identifier | ExFiles\Box 86\3\ scan0098 | |
| Date | 16th August 1935 | |
| RR 7859 (BH) (69054. 19-9-34) BM. S/1932/S. COMPLETED 11.10.35. BENTLEY STANDARDISATION OF PARTS. Description of Parts. STELLITED EXHAUST VALVES. Origin. To prevent burning and pitting. Report of Experimental Test. Fitted to 5-B-IV and ran 12,000 miles in France. Were in a 100% condition at finish of mileage. Weight of Old Part. Weight of New Part. Difference per Car. Cost of Old Part. £ Cost of New Part. £ See-over. Difference per Car. £ - 18 - 11 Increase. Signature from Cost Dept. that above is correct. G/RL 27-8-35 Cost of Parts in Works which will be scrapped if commenced on: Series..........£...... Series..........£...... Series..........£...... Date 16.8.35 (Crossed out: 31.8.35) X No. 223. Drawing No. Part List Stamp: J.S. 10 OCT 1935 INITIAL | DATE | REMARKS SG.{Arthur F. Sidgreaves - MD} | 10-10-35. | Agreed Sg.{Arthur F. Sidgreaves - MD} WOR.{Arthur Wormald - General Works Manager} | 3.9.35. | Agreed Wor.{Arthur Wormald - General Works Manager} C. | 2.9.35. | Agreed C. RG.{Mr Rowledge} | | DA.{Bernard Day - Chassis Design} | 9.10.35. | Agreed Da.{Bernard Day - Chassis Design} BY.{R.W. Bailey - Chief Engineer} | 3.9.35. | Agreed By.{R.W. Bailey - Chief Engineer} EP.{G. Eric Platford - Chief Quality Engineer} | 2.9.35. | Agreed EP.{G. Eric Platford - Chief Quality Engineer} E.{Mr Elliott - Chief Engineer} | 23.9.35. | Agreed E.{Mr Elliott - Chief Engineer} SFT.{Mr Swift} | 3.9.35. | Agreed Sft.{Mr Swift} MX.{John H Maddocks - Chief Proving Officer} | 2.9.35. | Agreed Mx.{John H Maddocks - Chief Proving Officer} HS.{Lord Ernest Hives - Chair} | 31.8.35. | Agreed Hs.{Lord Ernest Hives - Chair} | ||