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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 of water pump tests for Kestrel S/SP engines, showing flow against inlet temperature at various RPMs.

Identifier  ExFiles\Box 179b\2\  img143
Date  15th November 1932
  
KESTREL FULLY S/SP{Mr Spinney} ENGINES
CURVE 353 F.{Mr Friese}
DES 1613 CYLINDERS
WATER PUMP TESTS AS FOR K&MS 607 TYPE TEST (E.C.)
ENGINE - K&S 27 WITH WATER SYSTEM AS FOR ABOVE.
TYPE TEST ENGINE & WATER PUMP TO L.O.P. E 38201 - MORN PIPE RESTRICTIONS 13/16.
UNLESS STATED TO BE OTHERWISE ALL TESTS WERE CARRIED OUT WITH A SUCTION HEAD OF + 1 LB/SQ" ON THE PUMP.
FLOW IN GALLONS / MIN
INLET TEMPERATURE °C
3000 RPM
2800 RPM
+ 1 LB/SQ" SUCTION
2500RPM
+ 1 LB/SQ" SUCTION
3 LBS/SQ" DELIVERY
2400 RPM
+ 1 LB/SQ" SUCTION
3 LBS/SQ" DELIVERY
400 RPM
  
  


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