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).
Outlining modifications to the 'Goshawk II' flywheel casing, as detailed in drawing LoC.1437.
| Identifier | ExFiles\Box 74\3\ scan0226 | |
| Date | 13th August 1921 | |
| X4221 To BY.{R.W. Bailey - Chief Engineer} from R.{Sir Henry Royce} Copy to [illegible crossed-out text] EPL. X4221 RE "GOSHAWK II" FLYWHEEL CASING. Herewith please receive drawing LoC.1437 showing modifications to "Goshawk 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} | ||