Graph comparing the specific output (BHP/Litre) versus RPM for E.A.C. and Hispano engine configurations.
| Identifier | ExFiles\Box 180\M4\M4.2\ img011 | |
| Date | 25th February 1923 guessed | |
| SPECIFIC OUTPUT OF E.A.C. & HISPANO. HP/LITRE B.H.P./LITRE. Y-Axis: 0, 5, 10, 15, 20 X-Axis (R.P.M.): 500, 1000, 1500, 2000, 2500 Graph lines: HISPANO E.A.C. 2 CARBS. R.R.C.H. STD. E.A.C. WITH KNAVE CARB. | ||
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).