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).
Graph showing combustion volume distribution and flame travel for a D.H. motor.
| Identifier | ExFiles\Box 127\4\ scan0097 | |
| Date | 17th January 1938 | |
| COMBUSTION VOLUME DISTRIBUTION MOTOR: D.H. PLUGS 2 1/2" APART ESTIMATED B.M.E.P. COMPRESSION RATIO MAX RATIO LOCATION VOLUME INCREASE IN PER CENT RATIO TRAVEL INCREASE IN PER CENT FLAME VOLUME IN PER CENT FLAME TRAVEL PER CENT MAX RATIO PER CENT WBK-F / 78 17/1/1938 FEB 24 1938 PC | ||