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).
Hawk engine test results comparing the efficiency of the R.R.C.H. (Falcon) carburettor and a car carburettor.
| Identifier | ExFiles\Box 36\2\ scan 074 | |
| Date | 22th August 1917 | |
| R.R. 6 (S.T.) (SD 747 22-8-17) MP 181926 ROLLS-ROYCE LIMITED. Y2935 INSTRUCTIONS Hawk Engine Tests 191 Comparison of efficiency between R.R.C.H. (Falcon) and Car carburetter. Table Data: R.P.M. | Car lbs. P.P.H. | R.R.C.H. lbs. P.P.H. 1600 | 73 52 | 72 61 1400 | 74 45 | 73 57 The R.R.C.H. Carburetter was throttled down slightly in order to a comparison with the car carburetter (which was full throttle). The Car Carburetter gave the best result. This Sheet must be filed on completion of the work. | ||