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).
The fitting and standardization of valve springs for various car models.
| Identifier | ExFiles\Box 17\6\ Scan114 | |
| Date | 22th September 1932 | |
| X7060 RHC.{R. H. Coverley - Production Engineer} from Hs{Lord Ernest Hives - Chair}/Gry.{Shadwell Grylls} Hs{Lord Ernest Hives - Chair}/Gry.{Shadwell Grylls}14/KT.22.9.32. VALVE SPRINGS - P.II. We wish to have all our cars, except 22-EX, fitted with tappet springs to Hs.{Lord Ernest Hives - Chair}502, and single valve springs to E.81550. 19-EX and 25-EX are at present correct. To 22-EX we should like fitted the stronger tappet springs Hs.{Lord Ernest Hives - Chair}502, and double taper valve springs to Lec.3136 (Hs.{Lord Ernest Hives - Chair}688 and Hs.{Lord Ernest Hives - Chair}665), as fitted to 58-GN. When cars come into the shop, will you please see that this is done. | ||