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).
Request to prepare a new water pump casing for testing Tufnol bearings on a Wraith model.
| Identifier | ExFiles\Box 149a\1\ scan0335 | |
| Date | 1st March 1939 | |
| 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}5/MH.{M. Huckerby}1.3.39. WRAITH WATER PUMPS. In order to enable us to try Tufnol bearings in place of the Skefco ball bearings on 25.G.VI's water pump, will you please prepare a new casing to EXS.725. The only existing casing has been modified by welding and is now unsuitable. Rm{William Robotham - Chief Engineer}/FJH.{Fred J. Hardy - Chief Dev. Engineer} | ||