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).
Note on engine timing for single carburetter characteristics and port ramming to achieve optimum results.
Identifier | ExFiles\Box 134\1\ scan0117 | |
Date | 23th December 1938 | |
-5- Rm{William Robotham - Chief Engineer}/Swdl.{Len H. Swindell}1/MH.{M. Huckerby}23.12.38. This shows that a single version of a main engine is not representative and requires a timing suitable for the characteristics of a single carburetter and its port ramming to obtain the optimum results. Rm{William Robotham - Chief Engineer}/Swdl.{Len H. Swindell} | ||