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).
Graph showing the results of air consumption and volumetric efficiency tests on a Bentley single-cylinder engine.
| Identifier | ExFiles\Box 133\2\ scan0084 | |
| Date | 26th May 1944 | |
| BENTLEY SINGLE CYLINDER TESTS SHEET 1 AIR CONSUMPTION & VOLUMETRIC EFFICIENCY. NATURALLY ASPIRATED ZENITH TRIPLE DIFFUSER CARBURETTOR (32 7/16 CHOKE) NORMAL VALVE TIMING (I.O. 4°E; I.C. 51°L; E.O. 51°E; E.C. 7°L) OPEN EXHAUST BAR: 760 m/m AIR TEMP: 20°C AIR CONSUMPTION (LBS / MINUTE) R.P.M. VOLUMETRIC EFFICIENCY Air Consumption Std. Head " " No 1 Ramp Vol Effcy Std. Head " " No 1 Ramp | ||