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 mixture control adjustments for various carburetters on an E.A.C. engine at full load.
| Identifier | WestWitteringFiles\M\2Jan1925-March1925\ Scan31 | |
| Date | 17th December 1924 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. 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 | ||