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).
Blueprint graph showing the effect of increasing induction on engine performance with twin carburettors.
| Identifier | ExFiles\Box 5a\5\ 05-page158 | |
| Date | 24th 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 .384 VALVE LIFT. B.H.P. R.{Sir Henry Royce} P. M.{Mr Moon / Mr Moore} INDUCTION PIPE TQ AS ABOVE CARBS DROPPED 2.5" INDUCTION PIPE DEPN B.M.E.P. O/S CLCE EX IN 4-6-2 40 55 | ||