Rolls-Royce Archives
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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 water flow and suction side depression in a Phantom II cooling system.

Identifier  ExFiles\Box 15\1\  Scan202
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 G DIAM. PLACED IN THE DELIVERY PIPE JOINT TO THE PUMP.

LEGEND:
STANDARD SYSTEM SUCTION SIDE TEMP 60°C
85°C
RESTRICTED
60°C
85°C

AXES & LABELS:
LEFT Y-AXIS: WATER FLOW THROUGH TOP PIPE (GALLS/MIN)
RIGHT Y-AXIS: DEPRESSION ON SUCTION SIDE OF PUMP (INS. MERCURY)
X-AXIS: ENGINE R.P.M.
GRAPH LABEL (TOP): WATER FLOW.
GRAPH LABEL (BOTTOM): DEPRESSION ON SUCTION SIDE OF PUMP.

OTHER:
1.
STAMP: JAN 13 1930
  
  


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