Modifications to the 'Goshawk II' flywheel casing.
| Identifier | WestWitteringFiles\G\August1921\ Scan16 | |
| Date | 1st August 1921 | |
| TO BY. {R.W. Bailey - Chief Engineer} from R. {Sir Henry Royce} Copy to: GJ, NOR, HS {Lord Ernest Hives - Chair} , DA {Bernard Day - Chassis Design} , EPC ORIGINAL X4244 RE "GOSHAWK(Aero Engine)(Codename for 20HP Car / Aero Engine after Kestrel(Aero Engine)) II" FLYWHEEL CASING. Herewith please receive drawing Lec.1437 shewing modifications to "Goshawk(Aero Engine)(Codename for 20HP Car / Aero Engine after Kestrel(Aero Engine)) II" flywheel casing. The modifications consist of :- (1) Addition of drainage bolts. (2) Elimination of set screws and threaded bushes for hand hole cover, and substitution of studs. (3) Slight modification in contour of facing round the studs and increase in length of boss inside case for stud (The surplus material round boss is arranged so that it could be drilled and tapped .312 if necessary at any time.) 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).