The Goshawk 11 radiator, listing capacities and weights for the tube matrix and cylinder block.
| Identifier | ExFiles\Box 77\4\ scan0325 | |
| Date | 4th July 1923 | |
| y4240 DETAILS OF GOSHAWK(Aero Engine)(Codename for 20HP Car / Aero Engine after Kestrel(Aero Engine)) 11. RADIATOR. 4.7.23 y4240 x4538 Long tube matrix 22.75 pts. 70.5 lbs. Short " " 20.25 pts. 62.75 lbs. Water capacity of cylinder block 11.5 pts. Hs {Lord Ernest Hives - Chair} /Rm. {William Robotham - 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).