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 E.A.C. & 40/50 carburetters on an E.A.C. engine under full load.
| Identifier | ExFiles\Box 66a\1\ scan0025 | |
| Date | 15th January 1925 guessed | |
| NO. 3 CARBURETTERS E.A.C. E.A.C. & 40/50 CARBURETTERS ON E.A.C. ENGINE. ADJ. OF MIXTURE CONTROL TO GIVE CORRECT MIXTURE FULL LOAD POSITION OF MIXTURE CONTROL GIVING WEAKEST MIXTURE WHICH WILL MAINTAIN MAX. TORQUE NOTCHES WEAK NOTCHES RICH R.P.M. 500 1000 1500 2000 2500 METERING CURVE FOR THE CONVERTED E.A.C. CARB. THE REST OF THE CURVE LIES ON THE ZERO LINE. STD. 40/50 CARB. SPG. RATING 63 OZ/IN. E.A.C. CARB. 6 COIL SPG E.71542. RATING 52 OZ/IN. E.A.C. CARB. 8 COIL SPG E.71540. RATING 38 OZ/IN. | ||