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).
Request to manufacture a 25 HP camshaft with specific timing for slow running experiments.
| Identifier | ExFiles\Box 102\5\ scan0167 | |
| Date | 13th May 1935 | |
| X507 To RHC.{R. H. Coverley - Production Engineer} Hs{Lord Ernest Hives - Chair}/Smth.7/KW.13.5.35. 25 HP. Camshaft - Hs.{Lord Ernest Hives - Chair}1966. Will you please make us a camshaft similar to E.57177 but with 118° between the cams, which we shall call Hs.{Lord Ernest Hives - Chair}1966. We require this for slow running experiments. The timing with .020 clearance should be as under :- (Timing Diagram) Ex 233° In 218° 4 14 52 49 Hs{Lord Ernest Hives - Chair}/Smth. 1/3 / Swill 8 / JH 14.9.36 | ||