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 for a set of springs for a J.III clutch, detailing a modification required to the spring guide.
| Identifier | ExFiles\Box 103\1\ scan0018 | |
| Date | 17th February 1933 | |
| RHC.{R. H. Coverley - Production Engineer} from Hs{Lord Ernest Hives - Chair}/Gry.{Shadwell Grylls} X 1300 Hs{Lord Ernest Hives - Chair}/Gry.{Shadwell Grylls}3/KT.17.2.33. J.III CLUTCH. Will you please make us a set of springs to the attached Hs.{Lord Ernest Hives - Chair}935. With these a modification to the spring guide G.55251 is required, the .808 spigot diameter must be reduced to .750 +5. We require these in 1.J.III to prevent clutch slip. Hs{Lord Ernest Hives - Chair}/Gry.{Shadwell Grylls} | ||