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 of power curves comparing different inlet valve sizes for the Phantom engine.
Identifier | ExFiles\Box 31\2\ Scan124 | |
Date | 29th August 1933 guessed | |
B.H.P PHANTOM - POWER CURVES CURVE 12 COMPARISON OF DIFFERENT SIZES OF VALVE (INLET) (2) (3) (4) VALVES BOUNCE (2) - LARGE VALVE HEAD - E 83906 INLET VALVE DIA - 2.0" (3) - STD. HEAD E 83538 INLET VALVE DIA - 1.9" (4) - STD. HEAD E 83538 INLET VALVE DIA - 1.7" TWO 1 7/8 S.V. CARBS. R P M.{Mr Moon / Mr Moore} | ||