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).
Performance graph showing carburation and power output for a 3 1/2 Litre Bentley engine.
| Identifier | ExFiles\Box 93\2\ scan0012 | |
| Date | 1st August 1934 | |
| 3 1/2 LITRE BENTLEY M.I.T.Y. 8. 1934. CARBURETION & POWER OUTPUT PISTONS. E.B. 1299 UNT 3.6 COMP. RATIO 6.5:1 (E.B. 615) CAMSHAFT (IN. VALVE 1.400 D.A. STD. BENTLEY EB318.) Ex " 1.300 " (1) 2. 1.375" S.U. CARBS ON 1.500 INDN PIPE (2) 2. 1.250" " " " 1.375 " " B.H.P. B.M.E.P. R.P.M. T.D.C 3.6° 45° 49° B.D.C E.B.318 (113°) (TAPPETS at .020") C 15. | ||