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 the hotwell pump calibration for an evaporatively cooled Phantom I engine in an armoured car.
| Identifier | ExFiles\Box 180\M5\ img053 | |
| Date | 5th April 1932 | |
| EVAPORATIVELY COOLED PHANTOM I ENGINE IN ARMOURED CAR HOTWELL PUMP CALIBRATION. PUMP SPEED - 1/2 ENGINE SPEED. HEAD ON PUMP INLET - 6" DELIVERY - 2'6" (SIMILAR TO SYSTEM AS ARRANGED ON CAR) PRESSURE ON SYSTEM - ATMOSPHERIC DELIVERY IN LBS/MIN ENGINE R.P.M. 95°C INLET TEMP. 100°C INLET TEMP. WEIGHT OF CONDENSATE FULL THROTTLE 167A / 3 LR{Mr Ellor} 5/4/32 | ||