Blueprint of a Standard Goshawk Crankshaft showing fracture locations.
| Identifier | ExFiles\Box 74\3\ scan0305 | |
| Date | 19th December 1928 | |
| STANDARD GOSHAWK(Aero Engine)(Codename for 20HP Car / Aero Engine after Kestrel(Aero Engine)) CRANKSHAFT. FLYWHEEL FLANGE FRACTURE NO 6 THROW FLYWHEEL END FRACTURE No.6. ROLLS-ROYCE LIMITED. PRINT ROOM 19 DEC 1928 DERBY. CROXLEY BOND | ||
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).