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).
Material choice for synchromesh cones, comparing Duralumin, Bronze, and cast iron.
| Identifier | ExFiles\Box 148\5\ scan0194 | |
| Date | 8th September 1937 | |
| 1260 Rb.{R. Bowen} from Rm{William Robotham - Chief Engineer}/Gry.{Shadwell Grylls} Rm{William Robotham - Chief Engineer}/Gry{Shadwell Grylls}4/R.8.9.37. Synchromesh Cones. It has been suggested that we should use Duralumin instead of Bronze for synchromesh cones. Could you please let us know whether this would be more or less expensive ? The experiment of using cast iron cones has been a complete failure owing to the rate of wear of the cast iron. Rm{William Robotham - Chief Engineer}/Gry.{Shadwell Grylls} | ||