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).
Graphical comparison of three induction system configurations, plotting induction pipe depression against engine RPM.
| Identifier | ExFiles\Box 82\4\ scan0102 | |
| Date | 30th January 1935 | |
| B.V.77 COMPARISON OF INDUCTION SYSTEMS B.2 UNIT SPECIFICATION - R.H.C./C.P. 7/EP{G. Eric Platford - Chief Quality Engineer} 30-1-35 AEROLITE PISTONS H.1 (17.0 OZS) E.B. 2050 CYLINDER HEAD, 7.0:1 COMPRESSION RATIO 1.500 DIA INLET VALVES, 1.300 DIA EXHAUST VALVES OPEN EXHAUST NO AIR SILENCER ① STANDARD INDUCTION SYSTEM; 1.500 DIA. PIPE, 1.375 DIA CARBURETTERS ② 1.625 DIA. PIPE WITH 1.625 DIA. CARBURETTERS & .500 DIA BALANCE HOLE ③ AS ② BUT WITH 1.062 DIA. BALANCE HOLE INDUCTION PIPE DEPRESSION (INS. MERCURY) R.P.M. O.M. 27-2-35 | ||