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).
Performance graph comparing a Semi-Expanding Carburettor with an S.U. Carburettor.
| Identifier | ExFiles\Box 1\4\ B001_X 100a-page292 | |
| Date | 29th November 1932 | |
| COMPARISON OF R.R. SEMI-EXPANDING & 1 5/8" S.U. CARBURETTER TURBULENT HEAD 6.28 C/R 107° CAMSHAFT 1.2 DIA. INLET VALVES, OPEN EX DYNO COUPLED DIRECT TO FLYWHEEL FLEXIBLE PISTONS RM.{William Robotham - Chief Engineer} PR.{Percy H. Rose} 37 S.U. CARB SEMI EXPANDING CARB LEC.3222 Ex In .020 8 5 34 42 1 PII IN FRANCE STD CARB. NON TURB HEAD S1425 INLETS This memo attaches to Hs{Lord Ernest Hives - Chair}/Rm{William Robotham - Chief Engineer}/IRA/1423 INDUCTION DEPT B.H.P B.M.E.P. LBS/SQ." R.P.M. 29.11.32 83 M.P.H. | ||