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 addition of a brake pedal pull-off spring and modification of the clutch operating spring to commonise them.
| Identifier | ExFiles\Box 110\1\ scan0033 | |
| Date | 28th February 1941 | |
| 706 1030 To Rm.{William Robotham - Chief Engineer} from Ev{Ivan Evernden - coachwork}/JD.{J. Draper - Frames} c. to Ev.{Ivan Evernden - coachwork} c. to Rm{William Robotham - Chief Engineer}/HH. Ev{Ivan Evernden - coachwork}/JD.{J. Draper - Frames}7/SW.28.2.41. MYTH. P E D A L S. We attach to Rm{William Robotham - Chief Engineer}/HH's copy the original of :- PL.510 - Brake Pedal Pull-off spring. At Lockheed's request, we have added to the foot brake lever, a pull-off spring. The spring we have used is an existing spring except for the length of the ends. We have also modified the ends of the clutch operating spring from the design shown on PL.445 to commonise them. 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. | ||