Weight specification for the Goshawk unit.
| Identifier | ExFiles\Box 107\4\ scan0053 | |
| Date | 12th February 1924 | |
| X4538 12.2.24. GOSHAWK(Aero Engine)(Codename for 20HP Car / Aero Engine after Kestrel(Aero Engine)) WEIGHT. Weight of Goshawk(Aero Engine)(Codename for 20HP Car / Aero Engine after Kestrel(Aero Engine)) Unit complete - 640 lbs. Standard unit, with starter generator exhaust manifold change speed & brake. DICKINSON BOND 1804 | ||
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).