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).
Modifications and part specifications for the engine carburettor, gearbox, and various electrical components.
| Identifier | ExFiles\Box 108\1\ scan0224 | |
| Date | 22th November 1937 | |
| -4- Rm{William Robotham - Chief Engineer}/Gry.{Shadwell Grylls}2/AP.22.11.37. ENGINE (b) Carburetter continued Choke butterfly spindle bearings reamed .253" dia. Float needle seating to be ~~.101~~ instead of .130. (.113) GEARBOX (1) Fully isolated gear lever GCD.4/5, GCD.125, N.Sch.5145 with vent hole added for which instructions will be given later. ELECTRICAL Switch box Dw.197. Sec.8160. Dynamo. Frame and Field Dw.252. Bearing bracket Dw.250. Regulator Unit Dw.450. Distributor board Dw.457. Foot switch Dw.154. Wiring and Fittings Dw.150. Ignition Coils to D.76973 (20,000 turns). Rm{William Robotham - Chief Engineer}/Gry.{Shadwell Grylls} | ||