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 comparing power output (B.HP vs R.P.M.) for various carburetor, exhaust, and silencer configurations.
| Identifier | ExFiles\Box 13\4\ 04-page021 | |
| Date | 16th August 1932 guessed | |
| COMPARISON OF POWER OUTPUT. VARIOUS CARBS. OPEN EXHAUST 114° CAMSHAFT E.82448 DOUBLE VALVE SPRINGS 5.25 C.R. B.H.P. R.P.M. M.P.H. 11X41 AXLE 7X20 TYRES CURVE LABELS: 2 SU CARBS. SEMI-EXPANDER STD. CARB. NO AIR SILENCER STD. AIR SILENCER VALVE TIMING DIAGRAM: TDC 12.5 IN 50.5 OIS CLCE EX 59.5 | ||