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).
Particulars of a cylinder block fitted to a Wraith III, including specifications, wear records, and mileage.
| Identifier | ExFiles\Box 132\5\ scan0160 | |
| Date | 2nd June 1941 | |
| To: Rm.{William Robotham - Chief Engineer} from Rm{William Robotham - Chief Engineer}/Wym.{G. Harold Whyman - Experimental Manager} 1123 RB{R. Bowen} Rm{William Robotham - Chief Engineer}/Wym.{G. Harold Whyman - Experimental Manager}3/RH.{R. Hollingworth}2.6.41. We give below particulars of the Cyl. Block fitted to Wraith III Unit No.8, chassis 25.G.VI, now Aero Service Car. Cyl Block. EW.1923. All bores chromium plated 2" from top. Fitted 6.10.39. Record for bore wear taken 30.7.40. Mileage 13972. Max. bore wear .0004". Oil cons. = 1231 M.P.G. Total mileage of Cyl. Block to date 30.5.41. 22,534. Rm{William Robotham - Chief Engineer}/Wym{G. Harold Whyman - Experimental Manager} | ||