Blueprint for a lengthened Goshawk 11 dumb iron, with a comparison to a 10-15 HP Fiat part.
| Identifier | Morton\M4.1\ img021 | |
| Date | 11th April 1922 | |
| TO Hs. {Lord Ernest Hives - Chair} (le Canadel(Henry Royce's French residence).) from E. {Mr Elliott - Chief Engineer} ORIGINAL E2/M11.4.22. GOSHAWK(Aero Engine)(Codename for 20HP Car / Aero Engine after Kestrel(Aero Engine)) 11. DUMB IRON. X4260 We send you herewith a blue print shewing the dumb iron which has been made 30% longer. The drawing also gives an illustration of the 10-15 HP. Fiat dumb iron for comparison. E. {Mr Elliott - Chief Engineer} | ||
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).