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).
The hand throttle control for the launching gear winch.
| Identifier | ExFiles\Box 175\2\ img154 | |
| Date | 5th September 1941 | |
| To Rm.{William Robotham - Chief Engineer} c.c. to Ev.{Ivan Evernden - coachwork} c.c. to Rm{William Robotham - Chief Engineer}/HH. 2006 Ev{Ivan Evernden - coachwork}/JD.{J. Draper - Frames}1/JH.5.9.41. LAUNCHING GEAR - Throttle Control. We attach to Rm{William Robotham - Chief Engineer}/HH's. copy the original of - PL.793 Hand throttle for Launching gear. The above scheme shows the hand throttle for the Winch, which is in the drivers cabin to be operated by the left hand. We have provided a quadrant, on which is etched the degrees of throttle opening, as requested by the C.L.E. personnel. The controls are taken from the throttle to the carburetter by a bell crank lever. Rm{William Robotham - Chief Engineer}/HH. should do no detailing on this scheme or any other winch design unless he receives instructions from Rm.{William Robotham - Chief Engineer} Ev{Ivan Evernden - coachwork}/JD.{J. Draper - Frames} Original to Rm{William Robotham - Chief Engineer}/HH. Prints to Ev.{Ivan Evernden - coachwork} Rm{William Robotham - Chief Engineer}/HH. Ashby. | ||