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 rebuild a PH.III rig engine with only four crankshaft bearings and sperm oil for testing on fans and water pumps.
| Identifier | ExFiles\Box 159\6\ scan0035 | |
| Date | 8th March 1938 | |
| To HPS.{Horace Percy Smith - Experimental Factory Mgr} from Rm{William Robotham - Chief Engineer}/Std. 1371 Rm{William Robotham - Chief Engineer}/Std.4/MH.{M. Huckerby}8.3.38. PH.III RIG ENGINE IN TOMB. Will you please rebuild this engine with only four c/shaft bearings and using Sperm oil as lubricant (as already requested) as soon as possible was we wish to use it for tests on Ph.III and wraith fans and on Ph.III and wraith water pumps. Will you please also fit to this unit a Wraith water pump with thrust plug to EXS.510. Rm{William Robotham - Chief Engineer}/Std. | ||