The design of inspection and filler plugs for the Goshawk II gearbox.
| Identifier | WestWitteringFiles\G\August1921\ Scan2 | |
| Date | 1st August 1921 | |
| To HS. {Lord Ernest Hives - Chair} from R. {Sir Henry Royce} Copy to CJ. " " DA. {Bernard Day - Chassis Design} " " DY. {F R Danby} (Stamp: RECEIVED) X4247 ORIGINAL. RE "GOSHAWK(Aero Engine)(Codename for 20HP Car / Aero Engine after Kestrel(Aero Engine)) II" GEAR BOX. The inspection plugs shewn on LeC.1360 were intended for the oil level, the plug at the top being the filler plug. If it is thought that these are hardly convenient enough, one of the plugs may carry a cock. R. {Sir Henry Royce} | ||
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).