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).
Graph comparing the power output of an E.A.C. engine with different carburettors, plotting Brake Horsepower (BHP) against Revolutions Per Minute (RPM).
| Identifier | ExFiles\Box 66a\1\ scan0022 | |
| Date | 15th January 1925 guessed | |
| No. I X8080 E.A.C. ENG. CARBURETTERS POWER OUTPUT WITH DIFFERENT CARBURETTERS E.A.C. ENGINE COMPN RATIO 4.12 TO 1 STD. INDUCTION SYSTEM & STD. EXH. CUTOUT OPEN CURVES ARE CORRECTED FOR N.T.P. (760 M/M & 15°C) B.H.P. R.P.M. CURVE 1: R.R. CH. CARBURETTER CURVE 2: STD. E.A.C. CARB. SPRING E.71540 RATING 38 OZ./IN CURVE 3: EXPERIMENTAL E.A.C. CARB. SPG. 82 OZ./IN CURVE 4: STD 40/50 HP ENGINE WITH CUT OUT OPEN | ||