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 alteration to the eccentric ratio for Spectre hydraulic tappets to prevent sticking.
| Identifier | ExFiles\Box 96\2\ scan0039 | |
| Date | 25th March 1935 | |
| x354 SECRET. To BY.{R.W. Bailey - Chief Engineer} [text struck through] from E/JNR.{Charles L. Jenner} c. Hs{Lord Ernest Hives - Chair}/Rm.{William Robotham - Chief Engineer} RMC. [text struck through] re SpectreCodename for Phantom III - Hydraulic Tappets. E/JNR.{Charles L. Jenner}2/HP.25.3.35. Please receive herewith:- LeC.4427 showing the eccentric ratio altered from 12 to 1 to 8.75 to 1. Will you please instruct this as soon as possible as it is expected this will overcome the sticking of the eccentrics. LeC.4427 herewith. E/JNR.{Charles L. Jenner} | ||