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).
Performance graph for a diaphragm-type petrol pump, showing ball pin load versus external pressure at various RPMs.

Identifier  ExFiles\Box 179b\2\  img210
Date  17th December 1932 guessed
  
PETROL PUMP DIAPHRAGM TYPE
1" STROKE
BALL PIN LOAD LBS
EXTERNAL PRESS LBS/D'
540 RPM = 1.5 FT/SEC
360 RPM = 1.0 FT/SEC
180 RPM = .5 FT/SEC
90 RPM = .25 FT/SEC
BURSTING PRESS 250 LBS/D'
BLADDER AND AC FABRIC
  
  


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