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).
Requesting the experimental production of chassis valve springs from Swedish wire.
| Identifier | ExFiles\Box 158\4\ scan0116 | |
| Date | 4th January 1937 | |
| P. Hiles SWH 1360 E.{Mr Elliott - Chief Engineer} Dept. c. Rm.{William Robotham - Chief Engineer} CHASSIS VALVE SPRINGS. ------------------- With reference to memo Rm{William Robotham - Chief Engineer}/Swdl.{Len H. Swindell}1/AP.24.12.36. will you kindly instruct experimentally three sets of valve springs to LeC.5417 but produced in Swedish Heat Treated Carbon Steel Wire. Will you also kindly instruct a further three sets of springs to the essential particulars given in LeC.5417 but with three coils at the large diameter end, close coupled as shewn on drawing Rm.{William Robotham - Chief Engineer}260 herewith. These are also to be produced in Swedish Wire. Will you let us have a print of this latter spring as soon as possible so that we can proceed to get a cam made for the spring coiling machine, so as to be in readiness when the wire is received. BY/EM. | ||