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).
Heat distribution and thermal efficiency test data for an EAC.1 engine with a standard induction system and Knave carburetter.
| Identifier | ExFiles\Box 72\4\ scan0061 | |
| Date | 14th November 1923 guessed | |
| HEAT DISTRIBUTION & THERMAL EFFICIENCY OF EAC.1. ENGINE. PAGE 1. 1 KNAVE CARBURETTER - STD. EAC. INDUCTION SYSTEM. Fuel - shell No. 2. Spgr. - .759 Cal.{Mr Calvert} Val. (lower) = 19000 B.Th.U's/Lb. Bar: - 757 m/m.{Mr Moon / Mr Moore} Air = 16.5°C Comp. ratio = 4.6 Full load conditions. Oil temp. 65°C. TABLE 1: Headers: R.P.M., B.H.P., Pet. cons. Pts. hr., Pet. cons. Pts. BHP. hr., Frict: HP. to drive engine., Gall. min., Lbs min. (corrected) for temp:, COOLING WATER. t°C Inlet., t°C Outlet., °C t₀ - tᵢ, °F t₀ - tᵢ, Aver: temp: cooling water. 600, 37.10, 21.2, .600, 4.00, 6.993, 68.25, 65, 78, 13, 23, 160.7 750, 46.60, 27.1, .580, 6.25, 8.511, 83.00, 68, 79.5, 11.5, 20.7, 164.75 1000, 61.25, 36.2, .590, 8.75, 10.85, 105.80, 69, 78.5, 9.5, 17.1, 164.75 1250, 74.00, 41.15, .556, 12.50, 15.19, 148.25, 70.25, 79.5, 9.25, 16.65, 166.73 1500, 87.5, 49.5, .565, 16.10, 18.79, 183.30, 71.0, 79, 8.00, 14.4, 167.0 1750, 99.8, 57.75, .578, 19.85, 22.52, 219.5, 73.75, 81.5, 7.75, 13.95, 171.7 2000, 107.5, 63.4, .590, 25.00, 26.83, 261.5, 73.5, 80.5, 7.0, 12.6, 170.6 TABLE 2: Headers: R.P.M., Initial fuel energy B.Th. U's Ht. supplied., Thermal eqvt. work done., Ht. loss to frict:, Ht. loss to jackets., Radiation exhaust, Pumping etc. 600, 6369, 1573, 169, 1597, 3030 750, 8143, 1975, 265, 1718, 4185 1000, 10870, 2597, 371, 1890, 6012 1250, 12360, 3138, 530, 2468, 6224 1500, 14870, 3710, 682, 2639, 7839 1750, 17360, 4231, 842, 3062, 9225 2000, 19050, 4558, 1060, 3295, 10137 | ||