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 settings against RPM for different carburettors on an E.A.C. engine under full load.
| Identifier | ExFiles\Box 66a\1\ scan0043 | |
| Date | 17th February 1925 | |
| 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 Y-Axis: POSITION OF MIXTURE CONTROL GIVING WEAKEST MIXTURE WHICH WILL MAINTAIN MAX TORQUE NOTCHES WEAK NOTCHES RICH X-Axis: 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.{Mr Elliott - Chief Engineer} 71542. RATING 52 OZ/IN E.A.C. CARB. 8 COIL SPG E.{Mr Elliott - Chief Engineer} 71540. RATING 38 OZ/IN. STAMP: ... LIMITED ...MENT ROOM. 17 FEB. 25 DERBY | ||