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).
Table of figures showing powers, consumptions, and efficiencies for the 'Falcon' engine.
| Identifier | ExFiles\Box 36\2\ scan 015 | |
| Date | 15th February 1918 | |
| X. 2934 - "FALCON" ENGINE. Table of figures used in plotting curves X.2934. POWERS, CONSUMPTIONS AND EFFICIENCIES. Speed R.P.M | B.H.P. | Torque (lb-inches) | B.M.P. (lbs/sq.inch) | Petrol consumption (lbs/B.H.P.Hr) | Brake Thermal Eff: 1000 | 117 | 7380 | 107 | .680 | .201 1200 | 143 | 7520 | 109 | .614 | .223 1400 | 169 | 7610 | 110 | .571 | .240 1500 | 181.5 | 7630 | 110.5 | .555 | .247 1600 | 193.5 | 7620 | 110.5 | .547 | .250 1700 | 205 | 7600 | 110 | .545 | .251 1800 | 215 | 7530 | 109 | .548 | .250 1900 | 224 | 7440 | 108 | .554 | .247 2000 | 230 | 7250 | 105 | .563 | .243 + Test Dept. Figures. + R.R. A 338 (400 T) (S.C. 638. 15-2-18) G.{Mr Griffiths - Chief Accountant / Mr Gnapp} 1546. | ||