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).
Requesting a specific machining clearance for the plungers and casings of silent tappets for model 28-EX.
| Identifier | ExFiles\Box 17\6\ Scan171 | |
| Date | 31th January 1934 | |
| To RHC.{R. H. Coverley - Production Engineer} X7060 Hs{Lord Ernest Hives - Chair}/Std.16/KW.31.1.34. Silent Tappets - 28-EX. As a result of experiments with the Vulture silent tappets, we should like the plungers and casings for 28-EX to be machined to give .0015" diametral clearance in the bore. Hs{Lord Ernest Hives - Chair}/C.S.Steadman. | ||