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).
Data table of powers, consumptions, and efficiencies for the Falcon Engines Series 3.
| Identifier | ExFiles\Box 36\2\ scan 047 | |
| Date | 30th November 1917 | |
| X.2934 30.11.17. X. 2934 - FALCON ENGINES SERIES 3 - POWERS, CONSUMPTIONS & EFFICIENCIES. Speed. R.P.M. | B.H.P. | Torque (lb-inches) | B.M.P. (lb/sq.inch) | Petrol Consumption (lbs/B.H.P.hr) | Brake. Thermal Efficiency. 1400 1500 | 208 | 8750 | 127 | .505 | .271 1600 | 221 | 8720 | 126.5 | .5015 | .273 1700 | 235 | 8720 | 126.5 | .499 | .274 1800 | 247 | 8655 | 125.5 | .499 | .274 1900 | 259 | 8600 | 124.5 | .499 | .274 2000 | 270 | 8510 | 123.5 | .500 | .274 2100 | 278 | 8350 | 121 | .5015 | .273 2200 | 282 | 8080 | 117 | .505 | .271 2300 | 283 | 7760 | 112.5 | .513 | .266 4 X. 2934. | ||