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).
Maximum and minimum settings for the Wraith governor unit.
| Identifier | ExFiles\Box 9\8\ 08-page54 | |
| Date | 28th October 1938 | |
| 642 W/N - Br/Mr. Messervy from Rm{William Robotham - Chief Engineer}/AFM.{Anthony F. Martindale} Rm{William Robotham - Chief Engineer}/AFM.{Anthony F. Martindale}14/JH.28.10.38. Wraith Governor Unit Settings. T The figures we get here on Wraith governor units are as follows - Max. Min. 24 lbs/sq.in. 1 1/2 lbs/sq.in. 10 m.p.h. 34/36 12-14 full speed. Rm{William Robotham - Chief Engineer}/AFM.{Anthony F. Martindale} | ||