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).
Test data for a Goshawk water pump, showing delivery in gallons per minute at various RPMs at full throttle.
| Identifier | ExFiles\Box 77\4\ scan0113 | |
| Date | 5th July 1923 | |
| X4231 5.7.23. GOSHAWK WATER PUMP. Delivery full throttle - taken 7.11.22. R.P.M. G.P.M. 500 1.938 750 3.46 1000 4.86 1250 5.12 1500 5.45 1750 6.0 2000 6.68 2250 7.2 2500 7.72 2750 7.82 3000 7.5 ------------ | ||