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).
Series of graphs showing engine performance and fuel consumption with new type carburettors under different throttle conditions.
| Identifier | ExFiles\Box 179\2\ img288 | |
| Date | 29th February 1932 | |
| NEW TYPE CARBS IN "VEE" AT FULL THROTTLE. OPTIMUM POSN OF A.C. 2500 R.P.M. FUEL FLOW. MOVEMENT A.C. THROTTLED TO 2200 R.P.M. FUEL FLOW. MOVT. A.C. THE OPTIMUM POSN DOES NOT COME ON THIS DIAGRAM SHOWING ENGINE IS POSSIBLY OPERATING BELOW WEAKEST MAINTAINED OPTIMUM POSN OF A.C. R.P.M. DIAGRAM SHOWING POSITION OF A/C TO GIVE WEAKEST MAINTAINED CONSUMPTION. THE FLAT PORTION AT CRUISING RANGE INDICATES ENGINE IS RUNNING MORE ECONOMICALLY THAN WEAKEST MAINTAINED. aek ROLLS-ROYCE LIMITED PRINT ROOM 29 FEB 1932 REF. Y. | ||