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).
Requesting the modification of a B.50 Gearbox (B.3 No.2) to change the top and overdrive cone angles.
| Identifier | ExFiles\Box 112\2\ scan0071 | |
| Date | 28th September 1938 | |
| 828 To HPS.{Horace Percy Smith - Experimental Factory Mgr} from Rm{William Robotham - Chief Engineer}/Gry.{Shadwell Grylls} Rm{William Robotham - Chief Engineer}/Gry.{Shadwell Grylls}4/MH.{M. Huckerby}28.9.38. B.50 GEARBOX B.3 No.2. This box is now in 1.B.50. Will you please bring it up to the same specification as the box in 8.B.V. for France except that the top and overdrive cones should be 8° instead of 7°. This means new brass inserts in the outer cones and modified grinding of existing inner cones. Rm{William Robotham - Chief Engineer}/Gry.{Shadwell Grylls} | ||