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 water flow and suction side depression for a Phantom II cooling system with varying temperatures and nozzle restrictions.

Identifier  ExFiles\Box 15\1\  Scan204
Date  13th January 1931
  
PHANTOM II COOLING SYSTEM. 5 1/2-7m/m MATRIX TUBES (19Ex)
WATER FLOW AND SUCTION SIDE DEPRESSION
FOR VARYING TEMPERATURES AND WITH AND WITHOUT
RESTRICTED DELIVERY NOZZLE

Y-AXIS: WATER FLOW THROUGH TOP WATER PIPE (GALLS/MIN)
X-AXIS: DEPRESSION ON SUCTION SIDE OF PUMP (INCHES OF MERCURY)

LEGEND:
STANDARD SYSTEM SUCTION SIDE TEMP 60°C •
" " " " 85°C o
RESTRICTED DELIVERY NOZZLE " " " 60°C □
" " " " 85°C X

3.
  
  


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