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).
Graph plotting injection period and pump lag against pump angle, comparing performance with and without a delivery valve.
| Identifier | ExFiles\Box 179b\3\ img121 | |
| Date | 1st February 1933 guessed | |
| FIG 12 R.R. COMBINED PUMP & INJECTOR INJECTION PERIOD & PUMP LAG. SPEED CURVES WITH & WITHOUT UNLOADING DELIVERY VALVES ALL SUCTION CHAMBER HOLES PLUGGED, EXCEPT ONE 120° FROM SUPPLY PIPE. HOLE N° 3. FIG. 1 STANDARD CONDITIONS NORMAL INJECTION QUANTITY CURVE LABELS: INJECTION PERIOD WITH DEL'Y VALVE INJECTION PERIOD WITHOUT DELIVERY VALVE PUMP LAG WITH DELIVERY VALVE PUMP LAG WITHOUT DELIVERY VALVE AXIS LABELS: PUMP ANGLE (°) | ||