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).
Dynamometer test data for a Series 1 Falcon engine, showing powers, consumptions, and efficiencies.
| Identifier | ExFiles\Box 36\2\ scan 027 | |
| Date | 26th June 1917 guessed | |
| No. 2. Dynamometer X. 2934 - SERIES 1 FALCON ENGINES Powers, Consumptions, and Efficiencies TABLE HEADERS: Column 1: Speed R.P.M. Column 2: Dyn lbs Column 3: Ratio lbs/R.P.M. Column 4: Time to consume 4 pts. (secs) Spanning Header: Throttle Controlled Column 5: B.H.P. Column 6: Brake M.E.P. Spanning Header: Petrol consumption. Column 7: lbs/hour. Column 8: lbs/B.H.P. hour TABLE DATA: 1700 | 363 | .213 | 117 | 202.0 | 108.5 | 110.7 | .548 1600 | 340 | .212 | 122 | 178.5 | 101.6 | 106.2 | .596 1500 | 318 | .212 | 140 | 156.5 | 95.1 | 92.6 | .591 1400 | 292 | .208 | 158 | 134.0 | 87.3 | 82.1 | .612 1300 | 272 | .209 | 178 | 115.8 | 81.3 | 72.8 | .629 1200 | 253 | .211 | 207 | 99.4 | 75.6 | 62.6 | .630 1100 | 228 | .207 | 235 | 82.2 | 68.1 | 55.2 | .672 1000 | 209 | .209 | 262 | 68.5 | 62.5 | 49.5 | .723 800 | 170 | .212 | 342 | 44.5 | 50.8 | 37.9 | .852 BOTTOM RIGHT: 2 X. 2934. RIGHT MARGIN (Vertical Text): R.R. 125 A (720 H.{Arthur M. Hanbury - Head Complaints} & S.) Wt. 94117. G 1966 | ||