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 showing injection period and pump lag against pump speed, with and without an air vessel.
| Identifier | ExFiles\Box 179b\3\ img116 | |
| Date | 1st February 1933 guessed | |
| R.R. COMBINED PUMP & INJECTOR INJECTION PERIOD & PUMP LAG-SPEED CURVES. ALL SUCTION CHAMBER HOLES PLUGGED EXCEPT ONE OPPOSITE SUPPLY PIPE. HOLE No.1. FIG:1. STANDARD CONDITIONS AS ON DELIVERY CURVE. FIG:5 INJECTION QUANTITY NORMAL (0.240 CCS/CYCLE) FIG. 1 PUMP ANGLE (°) PUMP SPEED (RPM) INJECTION PERIOD PUMP LAG WITH AIR VESSEL WITHOUT AIR VESSEL | ||