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 department figures for Falcon engine powers, consumptions, and efficiencies (uncorrected).
| Identifier | ExFiles\Box 36\2\ scan 004 | |
| Date | 1st February 1916 | |
| x2934 X.2245.F. FALCON ENGINES. 1st set POWERS, CONSUMPTIONS and EFFICIENCIES (Uncorrected). Speed. R.P.M. DYN: lbs. Time to consume. 4 pts (NCS) B.H.P. Torque lb. inches M.E.P. lbs Petrol consumption lbs/hr. lbs/B.H.P.hr. Brake Thermal Efficiency 1000 244 153 119.8 7550 109 84.8 .708 .193 1100 246 149 132.7 7610 110 87.1 .655 .209 1200 246 143 145.0 7610 110 90.7 .626 .219 1300 246 137 157.0 7610 110 94.7 .603 .227 1400 246 130 169.0 7610 110 99.8 .590 .232 1500 248 125 182.6 7675 111 103.6 .568 .241 1600 246 117 193.1 7610 110 110.8 .573 .239 1700 243 114 202.7 7520 109 113.6 .560 .244 1800 237 107 209.2 7340 106 121.1 .579 .236 1900 2000 226 101 222.0 7000 101 128.4 .578 .237 Test Dept. Figures. Oil pressure 45.2 lbs/sq. inch. H.P. = (lbs x revs x .5895) / 1200 = (lbs x revs.) / 2036. R.R. Std. A 600 (T) (S) C.S.R. 1A-2-16 G.{Mr Griffiths - Chief Accountant / Mr Gnapp} 1548 | ||