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 determine the Centre of Mass for a Wraith III engine in both elevation and cross-section.
| Identifier | ExFiles\Box 6\6\ 06-page294 | |
| Date | 30th August 1937 | |
| To HPS{Horace Percy Smith - Experimental Factory Mgr} from Rm{William Robotham - Chief Engineer}/Swdl.{Len H. Swindell} LT 600 Rm{William Robotham - Chief Engineer}/Swdl{Len H. Swindell} 2/MH.{M. Huckerby} 30.8.37. Wraith III. Will you please arrange for E.Dell to take the Centre of Mass of a Wraith III. engine both in elevation and in the cross section. Rm{William Robotham - Chief Engineer}/Swdl.{Len H. Swindell} | ||