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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 of Spectre oil pressures from the pump to release, comparing actual and estimated values.

Identifier  ExFiles\Box 4\1\  01-page286
Date  19th March 1955
  
SP.{Mr Spinney}15
PRESS AT PUMP
PIPE
SEAT
ENTRY TO BYE PASS VALVE
CORNER
CORNER
CORNER
CORNER
COOLER
PRESENT POSITION OF COOLER
CURVE OF ESTIMATED PRESSURES LEC 4259
ACTUAL PRESSURES TAKEN ON SPECTRECodename for Phantom III UNIT NO.4
LEAD BRONZE BIG ENDS
WHITE METAL MAINS
lbs/sq"
SEAT HIGH PRESSURE VALVE
CORNER
SEAT
HIGH PRESS VALVE
CORNER
CORNER
CORNER
PIPE
CORNER
PIPE
DESTINATION OF OIL TO PUMP
GRAPH OF OIL PRESSURES FROM PUMP TO RELEASE
COLD OIL MOTORING C 15°-20°C
SPECTRECodename for Phantom III OIL PRESSURES (STD SYSTEM LEC 3790/1, 3837, 4069, 3751)
HDS
19.3.55
  
  


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