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 volumetric efficiency and BMEP of Bentley Unit B.3 against engine RPM.
Identifier | ExFiles\Box 133\2\ scan0099 | |
Date | 12th December 1934 | |
BENTLEY UNIT B.3 VOLUMETRIC EFFICIENCY STANDARD TIMING OPEN EXHAUST CAMSHAFT EB 1085 STD HEAD 6.5/1 CR{Mr Cra???ster / Mr Chichester} 1.400 DIA. I/L VALVE BMEP lbs/sq in Vol η % R.P.M 4. B.R. S/34 12. XII. 34 | ||