Graph comparing Brake Horse Power vs RPM for two different induction pipe and carburettor configurations on an Engine No IV G-8.
| Identifier | ExFiles\Box 121\2\ scan0141 | |
| Date | 24th December 1929 | |
| INDUCTION PIPE COMPARISON (JAPAN(Experimental Engine)). ENGINE Nᵒ IV G-8 COMPRESSION RATIO = 5.25. 116° CAMSHAFT. OPEN EXHAUST. CURVES CORRECTED TO N.T.P. BRAKE HORSE POWER R.P.M. OF ENGINE INDUCTION PIPES & TWO CLAUDEL-HOBSON CARBS. (AREA PAST CHOKE = .700 □" EACH), THUS:- INDUCTION PIPE & STROMBERG CARB. (AREA PAST CHOKE = .741 □"), THUS:- | ||
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).