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).
Test run report detailing fuel consumption and a list of criticisms for a vehicle.
| Identifier | ExFiles\Box 111\3\ scan0104 | |
| Date | 31th May 1939 | |
| 800b. To Rm{William Robotham - Chief Engineer}/FD.{Frank Dodd - Bodies} (FOR LOG BOOK). c. Rm{William Robotham - Chief Engineer}/Wym.{G. Harold Whyman - Experimental Manager} c. Da{Bernard Day - Chassis Design}/Ev.{Ivan Evernden - coachwork} Rm{William Robotham - Chief Engineer}/Gry.{Shadwell Grylls}6/MH.{M. Huckerby}31.5.39. 3.B.50. Whitsun run 451 miles. 34 galls. Consumption = 13.3 The 11/41 axle ratio secures about the right compromise between performance and engine life. The brakes are excellent except for occasional servo judders. Criticisms: (1) Cold starting very bad and mixture was too weak for a long time. (2) Engine rough around 50 m.p.h. Various oil leaks under bonnet. (3) Prop. shaft rough above 75 m.p.h. (4) Exhaust or intake occasionally whistle. (5) Steering very heavy - requires less castor. (6) Body has all the usual P.W. inadequacies. (a) Uncomfortable front seats - hard and no "bucket". (b) Useless driving mirror. (c) P.W. sun visors. (d) Driver's window handle too near steering wheel. (e) No cigarette lighter. (f) Gear lever fouls seat in 2nd. gear. Rm{William Robotham - Chief Engineer}/Gry.{Shadwell Grylls} | ||