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).
Final recommendations for the valve and ignition timing of an aluminium head engine.
| Identifier | ExFiles\Box 17\6\ Scan046 | |
| Date | 14th June 1928 | |
| To BY.{R.W. Bailey - Chief Engineer} from Hs{Lord Ernest Hives - Chair}/Rn.{Mr Robinson} +7060 c. to MX.{John H Maddocks - Chief Proving Officer} c. to EF. Hs{Lord Ernest Hives - Chair}/Rn{Mr Robinson}5/LG14.6.28. VALVE TIMING. X1770 Our final recommendations as regards the timing of the aluminium head engine is : Ignition fully advanced 15° B.T.D.C. Hs{Lord Ernest Hives - Chair}/Rn.{Mr Robinson} | ||