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 showing the effect of induction pipe diameter on twin carburettor engine performance.
Identifier | ExFiles\Box 13\3\ 03-page380 | |
Date | 27th November 1931 | |
EFFECT OF PIPE DIA. ON TWIN CARB. RM.{William Robotham - Chief Engineer} P36 27/11/31 114° CAMSHAFT T.H.O INLET CAMS HIGH LIFT ROCKERS OPEN EXHAUST COMP. RATIO 4.65:1 1 3/4" CHOKES INDUCTION PIPE DIA. 1.875 ------ 1.550 _____ Valve Timing Diagram Text: Ex, In, 49, 52, 25, 15, T.D.C., 020 CLCE Left Y-Axis: B.H.P. Right Y-Axis: B.M.E.P. LBS/SQ' X-Axis: R.P.M. | ||