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 results for a Hawk engine using a standard R.R.C.H. Falcon carburetter, detailing fuel consumption against RPM and horsepower.
| Identifier | ExFiles\Box 36\2\ scan 071 | |
| Date | 22th August 1917 | |
| R.R. 6 (500 T.) (SD 22-8-17) MP 181926 X2935 ROLLS-ROYCE LIMITED. INSTRUCTIONS. To Hawk Engine Tests. 191 Order No. Customer's No. Test with standard R.R.C.H. Falcon Carburetter on Hawk engine R.P.M. Pints per hour H.P. Pints per H.P. hour 2000 48 137 .57 1800 75 125 .60 1600 68 112 .61 1400 62 97 .64 1200 55 84 .65 1000 44 68 .65 The high Pints per H.P. hour, can be traced to the very bad distribution: this was probably caused by the air inlet to the carburetter facing along the engine. Signed This Sheet must be filed on completion of the work. | ||