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).
Power output graph for a Bentley engine, plotting BHP and BMEP against RPM under different configurations.
| Identifier | ExFiles\Box 3\6\ 06-page005 | |
| Date | 2nd August 1933 | |
| UNIT CX{Major Len W. Cox - Advertising Manager} BENTLEY RMB7 POWER OUTPUT A WITH CYL BLOCK EB.89 (LONG TYPE BARRELS LEC3475) ① COMP. RATIO 6.85:1 (EB.272) IN VALVES 1.460 DIA EX " 1.300 DIA CAMSHAFT EB.318 (?/30) 2 - 1.375 SU CARBS. ON PIPES E59292 & MOD EX10401 RESN Y1550 ② COMP. RATIO 6.8:1 EB.615 EX (476) IN VALVES 1.500 DIA EX " .300 DIA B WITH CYL. BLOCK EB.89 (SHORT TYPE BARRELS) ③ OTHERWISE AS ① ④ OTHERWISE AS ② ⑤ AS ④ BUT WITH COMP. RATIO 7:1 B.H.P. B.M.E.P. R.P.M. FUEL PRATTS ETHYL PLUGS LODGE X D&G TDC BDC 45° 17.64° 52.7° 63.79 TAPPETS AT .020 | ||