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 power increase due to lower depression in the induction pipe for a 20hp engine.
Identifier | ExFiles\Box 19\7\ Scan105 | |
Date | 30th March 1927 | |
20HP POWER INCREASE DUE TO LOWER DEPRESSION IN INDUCTION PIPE ENGINE No 11-GII. COMPRESSION RATIO = 5.45 to 1. OPEN EXHAUST. CURVES CORRECTED TO N.T.P. B.H.P. STD. 20HP CARB. ZENITH TRIPLE VENTURI HORIZONTAL CARB. TWO ZENITH T.V.H. CARBS. INDN. PIPE DEPN. STD. 20HP CARB. ZENITH. TWO ZENITHS. BRAKE HORSE POWER INDUCTION PIPE DEPRESSION (INCHES OF MERCURY) R.P.M OF ENGINE. 30-3-27 1 | ||