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 engine power output (BHP) versus RPM for different carburettors on an E.A.C. engine.
| Identifier | WestWitteringFiles\M\2Jan1925-March1925\ Scan29 | |
| Date | 17th December 1924 guessed | |
| No 1 E.A.C. ENG. CARBURETTERS POWER OUTPUT WITH DIFFERENT CARBURETTERS E.A.C. ENGINE COMP'N RATIO 4 1/2 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. RR. CH. CARBURETTER STD. E.A.C. CARB SPRING E.71540 RATING 38 OZ / IN EXPERIMENTAL E.A.C. CARB. SPG. 82 OZ / IN STD 40/50 H.P. ENGINE WITH CUT OUT OPEN ① ② ③ ④ | ||