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).
Modification to the Spectre clutch driven plate to resolve an issue when hot.
| Identifier | ExFiles\Box 93\3\ scan0022 | |
| Date | 12th February 1935 | |
| To RHC.{R. H. Coverley - Production Engineer} +312 Hs{Lord Ernest Hives - Chair}/Gry.{Shadwell Grylls}10/KW.12.2.35. SpectreCodename for Phantom III Clutch. Even with the modified pedal leverage at present fitted to the SpectreCodename for Phantom III chassis, the clutch does not free when hot. We believe the driven plate was staggered .015". Will you therefore please put in hand a driven plate to Hs.{Lord Ernest Hives - Chair}1772 which is increased in thickness and only staggered .010. Will you please make sure that this amount of stagger is not exceeded, and give us your opinion whether such a small amount could be accurately adhered to on production. Hs{Lord Ernest Hives - Chair}/Gry.{Shadwell Grylls} | ||