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).
Performance graph showing Brake Horse Power vs RPM for an engine with twin carburettors, detailing the effect of increasing induction.
| Identifier | ExFiles\Box 181\M13\M13.2\ img105 | |
| Date | 23th September 1931 guessed | |
| RM.{William Robotham - Chief Engineer} 34. JAPAN EFFECT OF INCREASING INDUCTION PIPE CAPACITY TWIN CARBS. ENGINE SPECIFICATION AS ON R.M 30 TWIN ZENITH CARB 26 M.M. CHOKES 112° CAMSHAFT OPEN EXHAUST .394 VALVE LIFT. B.H.P. R.P.M. INDUCTION PIPE DEPN INDUCTION PIPE TO AS ABOVE CARBS DROPPED 2.5" Valve Timing Diagram Text: EX IN 40 55 4 & 2 OIB CLCE | ||