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 comparing power curves and engine specifications for Rudge and Bentley units.
Identifier | ExFiles\Box 133\1\ scan0023 | |
Date | 13th March 1936 | |
C 19 500 CC RUDGE UNIT FIG. XVII ESTIMATED COMPARISON OF RUDGE AND BENTLEY POWER CURVES VALVE TIMINGS (.020 CLCE) RUDGE AND BENTLEY I.O. 4° E E.O. 50° E I.C. 50° E E.C. 7° L HIGH POWER I.O. 2° E E.O. 51° E I.C. 28° L E.C. 7° L HIGH POWER (TWIN INLET) HEAD WITH ADDITIONS FOR MOTORING LOSSES. CR{Mr Cra???ster / Mr Chichester} = 7.3 ADDITION OF DIFFERENCE IN MOTORING LOSSES. STD BENT RUDGE C.R. = 7.3 STANDARD BENTLEY S/C CR{Mr Cra???ster / Mr Chichester} = 7.3 STANDARD BENTLEY S/C CR{Mr Cra???ster / Mr Chichester} = 6.5 INLET AREA LITRE (BORE 3.250) STD BENTLEY = 2.520 IN² HIGH POWER = 3.680 IN² RUDGE = 4.500 IN² M.E.P. R.P.M. H²O / 13.3.36 | ||