Performance curves (HP & M.E.P.) comparing Hispano and E.A.C. engines.
| Identifier | ExFiles\Box 72\4\ scan0157 | |
| Date | 12th March 1924 guessed | |
| H.P. & M.E.P. CURVES FOR HISPANO & E.A.C. Top Graph (B.M.E.P.): Y-Axis Label: B.M.E.P. lbs/sq" Y-Axis Values: 80, 90, 100, 110, 120 Curve Labels: - HISPANO - E.A.C. WITH 2. R.R.C.H. CARBURETTERS - E.A.C. 1 CARB R.R.C.H. - E.A.C. STANDARD Bottom Graph (B.H.P.): Y-Axis Label: B.H.P. Y-Axis Values: 20, 40, 60, 80, 100, 120, 130, 140 Curve Labels: - E.A.C. 2 CARBURETTERS R.R.C.H. - E.A.C. 1 CARB. R.R.C.H. - HISPANO - E.A.C. STANDARD KNAVE CARB. X-Axis (common): Label: R.P.M. Values: 500, 1000, 1500, 2000, 2500, 3000. | ||
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).