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).
Steering and timing gear specifications for the Wraith III chassis.
| Identifier | ExFiles\Box 136\1\ scan0230 | |
| Date | 15th July 1937 | |
| To HPS.{Horace Percy Smith - Experimental Factory Mgr} from Rm{William Robotham - Chief Engineer}/FJH.{Fred J. Hardy - Chief Dev. Engineer} 11JS{Mr Johnson's Secretary} Rm{William Robotham - Chief Engineer}/FJH.{Fred J. Hardy - Chief Dev. Engineer}22/AP.15.7.37 WRAITH III. STEERING AND TIMING GEAR SPECIFICATIONS. Will you please build all future Wraith III. chassis with the following features. (1) Steering ball joints to Rm.{William Robotham - Chief Engineer}337/8/9 steering system otherwise to LOP. (2) Timing gears as specified in memos Rm{William Robotham - Chief Engineer}/FJH.{Fred J. Hardy - Chief Dev. Engineer}3/R.22.6.37 and Rm{William Robotham - Chief Engineer}/FJH.{Fred J. Hardy - Chief Dev. Engineer}8/AP.29.6.37. Rm{William Robotham - Chief Engineer}/FJH.{Fred J. Hardy - Chief Dev. Engineer} | ||