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 plotting Brake Horsepower (BHP) and Brake Mean Effective Pressure (BMEP) against RPM for Engine No IV G.8 with various exhaust system configurations.
| Identifier | ExFiles\Box 6\7\ 07-page120 | |
| Date | 11th May 1931 guessed | |
| GRAPH II ENGINE No IV G.8. 11° CAMSHAFT 5.25/1 COMPRESSION RATIO TWIN-CHOKE ZENITH CARBURETTER LEGEND: OPEN EXHAUST JAPAN EXH MANIFOLD E.56031 & PH II EXHAUST SYSTEM E.82070 STANDARD CHINA EXH SYSTEM EX MANIFOLD E.56031 GEN ARRGT E.55794 AXIS LABELS: B.H.P. R.P.M. B.M.E.P. lbs sq. in | ||