Performance comparison graph between S.U. and R.R. carburettors, plotting Brake Horsepower (BHP) and Brake Mean Effective Pressure (BMEP) against engine Revolutions Per Minute (RPM).
| Identifier | ExFiles\Box 1\8\ B001_X100 Engine Chassis-page229 | |
| Date | 4th October 1932 guessed | |
| R.M.PR.31. COMPARISON OF S.U. & R.R. CARBURETTERS L.E.C. 3157) C/R 6.24 INLET VALVE 1.125 THROAT HEAD E.100520 OPEN EX. R.R. SEMI EXPANDING S.U. 1 5/8 BORE 108 1/2° CAMSHAFT. LONG TOE TIMED WITH .020 CLEARANCE IO T.D.C. EO 38° B BDC IC 45° P BDC EC 13° P TDC SUCTION PISTON R.R REMOVED B.H.P. R.P.M. B.M.E.P. DEPN INS. HG | ||
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).