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 manufacture of 6 cyanide hardened pins for the Wraith type steering gear.
| Identifier | ExFiles\Box 92\6\ scan0067 | |
| Date | 17th December 1936 | |
| 300b. To HPS.{Horace Percy Smith - Experimental Factory Mgr} from Rm{William Robotham - Chief Engineer}/FJH{Fred J. Hardy - Chief Dev. Engineer} Rm{William Robotham - Chief Engineer}/FJH.{Fred J. Hardy - Chief Dev. Engineer}21/AP.17.12.36. CONTINENTAL PH.III. AND WRAITH STEERING In view of our experience on 35-EX. steering with the rockershaft pin without splines, we wish to try cyanide hardened pins on the Wraith type gear. Will you please accordingly make 6 pins to FW.148 in S/ZNX. material and cyanide hardened. Rm{William Robotham - Chief Engineer}/FJH.{Fred J. Hardy - Chief Dev. Engineer} | ||