Final recommendation for ignition timing on the aluminium head engine.
| Identifier | ExFiles\Box 33\4\ Scan115 | |
| Date | 14th June 1928 | |
| X.1770 To BY. {R.W. Bailey - Chief Engineer} from Hs {Lord Ernest Hives - Chair} /Rn. {Mr Robinson} c. to MX. {John H Maddocks - Chief Proving Officer} c. to EP. {G. Eric Platford - Chief Quality Engineer} Hs {Lord Ernest Hives - Chair} /Rn {Mr Robinson} 5/LG14.6.28. VALVE TIMING. X7050 Our final recommendations as regards the timing of the aluminium head engine is : Ignition fully advanced 15º B.T.D.C. Hs {Lord Ernest Hives - Chair} /Rn. {Mr Robinson} | ||
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).