Graph plotting Brake Horse Power (BHP) against RPM for two expanding choke carburettor configurations.
| Identifier | ExFiles\Box 13\3\ 03-page118 | |
| Date | 23th October 1929 guessed | |
| EXPANDING CHOKE CARB. EXPTS. EXPANDING CARB WITH RESTRICTOR REMOVED AND CENTRAL JET PUT IN ITS PLACE GIVING FREE CHOKE AREA OF 1.400 □". EXPANDING CARB WITH RESTRICTOR GIVING A MAX FREE CHOKE AREA OF 1.05 □". Y-Axis: B.H.P., 40, 50, 60, 70, 80, 90, 100, 110 X-Axis: R.P.M., 750, 1000, 1250, 1500, 1750, 2000, 2250, 2500 | ||
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).