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 characteristic graph for a Graham car supercharger operating with a carburetter but without an air cleaner.
| Identifier | ExFiles\Box 126\1\ scan0155 | |
| Date | 18th June 1934 | |
| SHEET 6 GRAHAM CAR SUPERCHARGER WITH CARBURETTER LESS AIR CLEANER CHARACTERISTICS WITH PETROL AT 3000 ENGINE R.P.M. TEST DATE: 18-6-34 BAR: 29.98 AIR TEMP. 30°C ROTOR R.P.M. 17,300 ROTOR TIP SPEED: 565.5 FT/SEC DELIVERY PRESSURE ("HG.) TEMP' RISE (C°) MIXTURE FLOW (LBS/MIN) DEL'Y PRESS' TEMP' RISE H/L 28-6-34 | ||