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 3 1/2 Litre Bentley engine.
| Identifier | ExFiles\Box 3\6\ 06-page101 | |
| Date | 12th February 1933 | |
| UNIT B 48 3 1/2 LITRE BENTLEY POWER OUTPUT TEST (1) GROSS B.H.P. (CURVE B) MIXTURE 75% PET., 25% BENZ. EX. PIPE 4'3" D/P AS PER EN/2088 (2.10.31) (2) COMP. RATIO 6.85:1 (REC'D NO.2) MIXTURE 75% PET., 25% BENZ. AS PER EN/2088 (2.10.31) S.O.C. (AS PER TS 3772B) R.P.M. B.H.P. | ||