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).
Throttle curve data for a Falcon engine from two different dynamometer tests.
| Identifier | ExFiles\Box 36\2\ scan 012 | |
| Date | 20th April 1917 guessed | |
| FALCON THROTTLE CURVE. 190 H.P. No. 3 Dyn. Eng. Revs. | screw revs. | lbs. | H.P. | Conspt. (time for 4 pints) m.{Mr Moon / Mr Moore} s. ---|---|---|---|--- 1700 | 1003 | 243 | 203.3 | 1.55 1600 | 949 | 218 | 171.4 | 2.7 1500 | 885 | 197 | 145.3 | 2.28 1400 | 826 | 178 | 122.5 | 2.55 1300 | 767 | 159 | 101.6 | 3.20 1200 | 708 | 143 | 84.4 | 3.36 1100 | 649 | 110 | 59.5 | 4.48 1000 | 590 | 93 | 45.7 | 5.4 800 | 472 | 58 | 22.8 | 7.52 THROTTLE CURVE. 190 H.P. No. 2 Dyn. Eng. Revs. | screw revs | lbs. | H.P. | Conspt. (time for 2 pints) m.{Mr Moon / Mr Moore} s ---|---|---|---|--- 1700 | 1003 | 363 | 202.2 | 58 1/2 1600 | 944 | 340 | 178.2 | 1.1 1500 | 885 | 318 | 156.3 | 1.10 1400 | 826 | 292 | 133.9 | 1.19 1300 | 767 | 272 | 115.6 | 1.29 1200 | 708 | 253 | 98.5 | 1.43 1/2 1100 | 649 | 228 | 82.2 | 1.57 1/2 1000 | 590 | 209 | 68.5 | 2.11 800 | 472 | 170 | 44.5 | 2.51 2 / X.2934 | ||