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).
Questioning the use of bearings for the side shaft of the Junior Rationalised Gear Box.
| Identifier | ExFiles\Box 136\2\ scan0186 | |
| Date | 22th February 1940 | |
| Ev.{Ivan Evernden - coachwork} c. Rm{William Robotham - Chief Engineer}/FJH.{Fred J. Hardy - Chief Dev. Engineer} 1153 R.K. Rm.{William Robotham - Chief Engineer}4/ML.22.2.40. Junior Rationalised Gear Box. I do not see why we are not using plain bearings for the side shaft of this box. The Americans are even using plain bearings on air craft reduction gears. Rm.{William Robotham - Chief Engineer} ENTHUSIASM WANING Rm{William Robotham - Chief Engineer} | ||