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 effect of temperature and restriction on the Phantom II cooling system's water flow and pump suction side depression.
| Identifier | WestWitteringFiles\U\January1930-April1930\ Scan048 | |
| Date | 13th January 1930 | |
| PHANTOM II COOLING SYSTEM EFFECT OF TEMPERATURE AND RESTRICTION ON WATER FLOW AND SUCTION SIDE DEPRESSION. RESTRICTION USED IS A PLATE DRILLED WITH ONE HOLE .6" DIAM. PLACED IN THE DELIVERY PIPE JOINT TO THE PUMP. LEGEND: STANDARD SYSTEM SUCTION SIDE TEMP 60°C STANDARD SYSTEM SUCTION SIDE TEMP 85°C RESTRICTED SYSTEM SUCTION SIDE TEMP 60°C RESTRICTED SYSTEM SUCTION SIDE TEMP 85°C AXES: WATER FLOW THROUGH TOP PIPE (GALLS/MIN:) DEPRESSION ON SUCTION SIDE OF PUMP (INS: MERCURY) ENGINE R.P.M. LABELS: WATER FLOW DEPRESSION ON SUCTION SIDE OF PUMP OTHER: 1. STAMP: ROLLS-ROYCE LTD. PRINT ROOM JAN 13 1930 DERBY | ||