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 K.L.G. 'Corundite' plugs (Type FE.30X) for the Phantom III.
| Identifier | ExFiles\Box 171\2\ img270 | |
| Date | 13th April 1937 | |
| RR 755 (5H) 20396 21/7/36 J.W.S. COMPLETED 20.4.37 PHANTOM III. STANDARDISATION of PARTS Date 13.4.37. X No. 6001B. Drawing No. Part List Description of Parts. K.L.G. "CORUNDITE" PLUGS TYPE FE.30X. Origin. To improve engine performance with top overoiling and to avoid misfires with Ethyl. Report of Experimental Test. Fitted to all Exptl. P.III cars and one P.III trials car, also to two customers chassis. Also run on 35-EX in France. Will stand more oil than the present mica plug. MATERIAL £ s. d LABOUR £ s. d CHARGES £ s. d TOTAL £ s. d Cost of Old Part 3 3 0 Bought outside 3 3 0 Cost of New Part 1 8 0 1 8 0 Nett Decrease 1 15 0 Signature from Cost Dept. that above is correct. G/Rb.{R. Bowen} 8.4.37. INITIAL | DATE | REMARKS SG.{Arthur F. Sidgreaves - MD} | 19.4.37. | Agreed Sg.{Arthur F. Sidgreaves - MD} WGR. Hs.{Lord Ernest Hives - Chair} | | Agreed Hs.{Lord Ernest Hives - Chair} C. | 14.4.37. | Agreed C. E.{Mr Elliott - Chief Engineer} | 14.4.37. | Agreed Da.{Bernard Day - Chassis Design} for E.{Mr Elliott - Chief Engineer} DA.{Bernard Day - Chassis Design} | 13.4.37. | Agreed Da.{Bernard Day - Chassis Design} By.{R.W. Bailey - Chief Engineer} | 14.4.37. | Agreed By.{R.W. Bailey - Chief Engineer} E.P. | 13.4.37. | Agreed EP.{G. Eric Platford - Chief Quality Engineer} RHC.{R. H. Coverley - Production Engineer} | 15.4.37. | Agreed RHC.{R. H. Coverley - Production Engineer} MX.{John H Maddocks - Chief Proving Officer} | 14.4.37. | Agreed Mx.{John H Maddocks - Chief Proving Officer} Rm.{William Robotham - Chief Engineer} | 13.4.37. | Agreed Gry.{Shadwell Grylls} for Rm.{William Robotham - Chief Engineer} | ||