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).
Secret memo regarding an experimental scheme for Spectre Tappets to prevent wear.
| Identifier | ExFiles\Box 96\2\ scan0054 | |
| Date | 7th September 1935 | |
| L.R. Smith. x354 Ram Please instruct immediately for 4 cyls of a spectreCodename for Phantom III unit Am E/JNR.{Charles L. Jenner}1/HP.7.9.35. To DY.{F R Danby} from E/JNR.{Charles L. Jenner} c. Hs{Lord Ernest Hives - Chair}/Rm.{William Robotham - Chief Engineer} RHC.{R. H. Coverley - Production Engineer} re SpectreCodename for Phantom III Tappets. SECRET. We send you herewith:- LeC.4675 which is an experimental scheme for holding the tappet off from the base circle of the cam with the object of preventing wear on the rubbing face of the tappet. LeC.4675 herewith. E/JNR.{Charles L. Jenner} | ||