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 parts report for an inlet valve made from S.65 material.
| Identifier | ExFiles\Box 88\4\ scan0212 | |
| Date | 14th October 1937 | |
| RR 755B (10H) 26074 2-11-36 WHK 24999 COMPLETED 1.12.37. BENTLEY STANDARDISATION of PARTS. Date 14.10.37. X No. 254. Drawing No. EB.2793. Description of Parts INLET VALVE IN S.65 MATERIAL. Origin S.65 material appreciably less expensive than present S/SLV. Report of Experimental Test. Valves O.K. on inspection after 15,000 miles on 6.B.IV, also confirmatory test of 50 hrs. on bed. Wraith III is starting off with S.65 inlet valves. MATERIAL £ s. d.{John DeLooze - Company Secretary} LABOUR £ s. d.{John DeLooze - Company Secretary} CHARGES £ s. d.{John DeLooze - Company Secretary} TOTAL £ s. d.{John DeLooze - Company Secretary} Cost of Old Part 4 7 Cost of New Part 2 7 Labour Cost unaffected. Nett Decrease 2 0 Signature from Cost Dept. that above is correct. G/Rl 9.11.37. INITIAL | DATE | REMARKS SG.{Arthur F. Sidgreaves - MD} | 1-12-37 | agreed Sg{Arthur F. Sidgreaves - MD} HS.{Lord Ernest Hives - Chair} | | Agreed Hs.{Lord Ernest Hives - Chair} C. | 12.11.37. | Agreed C. XEX | | DA.{Bernard Day - Chassis Design} | 28.11.37. | Agreed Da.{Bernard Day - Chassis Design} BY.{R.W. Bailey - Chief Engineer} | 17.11.37. | Agreed By.{R.W. Bailey - Chief Engineer} XER. | | SFT.{Mr Swift} RHC.{R. H. Coverley - Production Engineer} | 22.11.37. | Agreed RHC.{R. H. Coverley - Production Engineer} MX.{John H Maddocks - Chief Proving Officer} | 29.11.37. | Agreed Mx.{John H Maddocks - Chief Proving Officer} RM.{William Robotham - Chief Engineer} | 10.11.37. | Agreed Rm.{William Robotham - Chief Engineer} | ||