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 single 1 5/8' carburetter against two 1 1/4' S.U. carburetters.
| Identifier | ExFiles\Box 1\10\ B001_X106 TO X 110-page053 | |
| Date | 21th July 1932 guessed | |
| COMPARISON OF SINGLE 1 5/8 AND TWO 1 1/4 S.U CARBURETTER 5.85 C/R OPEN EXHAUST VALVES. INLET 1.125 THROAT. 14 M.M. A 15 PLUGS CAMSHAFT WITH TOE REDUCED TO .007. TWO INLET CAM FORMS. SINGLE 1 5/8 DIA. CARB. TWO 1 1/4 DIA S.U. CARBS. B.H.P B.M.E.P R.P.M M.P.H INLET .004 EXHAUST .006 TAPPET CLEARANCE. Valve Timing Diagram Text: IN EX 3 8 34 38 013 CLCE RM.{William Robotham - Chief Engineer} PR.{Percy H. Rose} 24 | ||