Graph comparing the power output of balanced and unbalanced twin carburettors.
| Identifier | ExFiles\Box 181\M9\ img050 | |
| Date | 2nd October 1931 guessed | |
| RM. {William Robotham - Chief Engineer} P30 COMPARISON OF POWER OUTPUT BALANCED & UNBALANCED TWIN CARBS. STANDARD CAMSHAFT VALVE LIFT .480 STANDARD HEAD 4.78 C.R TWIN CARBS 1.4 CHOKES B.H.P. B.M.E.P. R.P.M. EX IN .013 CLCE 7.5 51 55 NORMAL TWIN CARBS TWIN CARBS HAVING 2" EXTENSION CARRYING A BALANCING HOLE OF 1.625 D | ||
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).