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).
Graphs showing petrol pump delivery performance under various air bottle and reservoir configurations.
| Identifier | WestWitteringFiles\W\September1931-November1931\ Scan059 | |
| Date | 19th October 1931 | |
| LEC. 2907/9 PI PETROL PUMP STANDARD TANK & PIPES STROKE .250" ALL PASSAGES & PORTS OPENED OUT. PIN STOPS FOR VALVES. INITIAL SPRING LOADS:- UPPER SPRING 8.5 LB, LOWER SPRING 2.0 LB DIAPHRAGM FABRICS 2-800" CTS{C. Trot Salt - Carburation} CAPACITY OF INTERGRAL AIR BOTTLE = .38 C.C'S. Y-Axis: DELIVERY PTS / HR. X-Axis: PUMP SPEED R.P.M. Graph 1: WITH 100 C.C. AIR BOTTLE, DELIVERY PRESS O LB/sq" Graph 2: WITH 100 C.C. RESERVOIR, DELIVERY PRESS. O LB/sq" Graph 3: WITH 25 C.C. AIR BOTTLE, DELIVERY PRESS. O LB/sq" Graph 4: WITH 25 C.C. RESERVOIR, DELIVERY PRESS. O LB/sq" Graph 5: WITH 8 C.C. AIR BOTTLE, DELIVERY PRESS O LB/sq" Graph 6: WITHOUT AIR BOTTLE OR RESERVOIR, DELIVERY PRESS. O LB/sq" | ||