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).
Request to modify the plunger springs in the synchromesh mechanism for a 3-speed gearbox.
| Identifier | ExFiles\Box 104\4\ scan0283 | |
| Date | 13th October 1937 | |
| P.500a HPS.{Horace Percy Smith - Experimental Factory Mgr} from Rm{William Robotham - Chief Engineer}/Gry.{Shadwell Grylls} Rm{William Robotham - Chief Engineer}/Gry{Shadwell Grylls}2/R.13.10.37. 3-Speed Gearbox in 22.G.V. Will you please modify the plunger springs in the synchromesh mechanism so that the end load to get the plunger out of the grooves is reduced from the present 87 lbs to between 65 and 70 lbs. Rm{William Robotham - Chief Engineer}/Gry.{Shadwell Grylls} | ||