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 the effect of increasing induction pipe capacity on engine performance, showing B.HP vs R.P.M.
| Identifier | ExFiles\Box 102\5\ scan0079 | |
| Date | 1st July 1940 | |
| 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 TO AS ABOVE CARBS DROPPED 2.5" Circular Diagram Text: EX IN 462 40 55 .013 CLCE Right Axis Text: INDUCTION PIPE DEPN B.M.E.P. Vertical text near right axis: RM{William Robotham - Chief Engineer}30/1/7/40 | ||