Test results for the Goshawk 11 engine's water pump delivery, showing RPM versus GPM.
| Identifier | ExFiles\Box 77\4\ scan0112 | |
| Date | 11th June 1923 | |
| X4231 11.6.23. GOSHAWK(Aero Engine)(Codename for 20HP Car / Aero Engine after Kestrel(Aero Engine)) 11. WATER PUMP DELIVERY. R.P.M. G.P.M. 500 1.95 750 3.6 1000 4.925 1250 5.3 1500 5.36 1700 6.92 2000 9.00 2250 12.0 2500 9.0 2750 6.9 3000 6.9 These figures were obtained during tests to measure heat lost to cooling water. They should be checked at the first opportunity. 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).