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 the max power and fuel consumption of two different carburetter setups on a Peregrine engine.
| Identifier | ExFiles\Box 1\10\ B001_X106 TO X 110-page109 | |
| Date | 28th May 1933 guessed | |
| MAX POWER COMPARISON OF CARBURETTERS - PEREGRINE TWO S.U. CARBURETTERS - SMALL RR SEMI EXPANDING S.U. 1 1/4 DIA. BALANCE PASSAGE .375 DIA. 1.600 LONG R.R. 1.975 DIA. AIR VALVE. 1.625 UPTAKE DISTANCE PIECE SMALL VALVE NON TURBULENT HEAD 6.36 C/R RM{William Robotham - Chief Engineer} PR 43 B.H.P PTS/BHP/HR M.E.P. INS HG S.U.'s R.R. CONSUMPTION CONSUMPTION AT 36.6 M.P.H SMALL R.R. CARB. 17.37 M.P.G. 2 S.U. CARBS 17.6 M.P.G. | ||