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 for a 25/30 HP deturbulated cylinder head to give a smoother engine.
| Identifier | ExFiles\Box 103\4\ scan0187 | |
| Date | 19th December 1936 | |
| RR 755A (5H) 20596 21/7/36 J.W.S. COMPLETED 14.1.37. 25/30 H.P. STANDARDISATION of PARTS Date 19/12/36 Description of Parts. DETURBULATED CYLINDER HEAD. X No. 519. Drawing No. Part List Origin. To give a smoother engine. Report of Experimental Test. MATERIAL £ s. d LABOUR £ s. d CHARGES £ s. d TOTAL £ s. d Cost of Old Part 4 11 2 1 11 3 13 5 6 0 3 Cost of New Part 4 11 2 0 5 3 10 8 5 16 0 Nett Increase Decrease 4 3 Signature from Cost Dept. that above is correct. Gittl 17.12.36. INITIAL DATE REMARKS SG.{Arthur F. Sidgreaves - MD} 12-1-37 Agreed SG.{Arthur F. Sidgreaves - MD} WDRX Hs.{Lord Ernest Hives - Chair} Agreed Hs.{Lord Ernest Hives - Chair} C. 29.12.36. Agreed C. E.{Mr Elliott - Chief Engineer} 21.12.36. Agreed E.{Mr Elliott - Chief Engineer} DA.{Bernard Day - Chassis Design} 30.12.36. Agreed Da.{Bernard Day - Chassis Design} By.{R.W. Bailey - Chief Engineer} 21.12.36. Agreed By.{R.W. Bailey - Chief Engineer} E.P. Some records of test please E.P. 21.12.36. SFT.{Mr Swift} 19.12.36. Agreed Sft.{Mr Swift} MX.{John H Maddocks - Chief Proving Officer} 21.12.36. Agreed Mx.{John H Maddocks - Chief Proving Officer} HS{Lord Ernest Hives - Chair} Rm.{William Robotham - Chief Engineer} 19.12.36. Agreed Rm.{William Robotham - Chief Engineer} 24.12.36. RHC{R. H. Coverley - Production Engineer} Agreed. J.S. JAN 1937 | ||