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 comparison graph between a single cylinder unit and a main engine.
Identifier | ExFiles\Box 133\1\ scan0085 | |
Date | 10th July 1936 | |
BENTLEY FIG. IV COMPARISON OF SINGLE CYLINDER UNIT & MAIN ENGINE CYLINDER HEADS:- STANDARD BENTLEY E.B. 615 & E.B. 1517 VALVE TIMING:- I.O. 4°E; I.C. 51°L; E.O. 51°E; E.C. 7°L C.R. = 6.4 OPEN EXHAUST. BORE - 3.25" SINGLE CYLINDER (N.A.) SINGLE CYLINDER (MAIN ENGINE DEPT) MAIN ENGINE B.M.E.P. B.H.P. R.P.M. J.L.E. 10-7-36 | ||