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 comparing the flow through a standard head and a large inlet valve head on a Phantom engine.

Identifier  ExFiles\Box 31\2\  Scan114
Date  29th August 1933 guessed
  
PHANTOM
CURVE 2
COMPARISON OF STANDARD HEAD - E.83538
& LARGE INLET VALVE HEAD - E.83906
AT MEAN LIFT - i.e. .354" LIFT
FLOW THRO' PORT
CU.FT./MIN.
PRESS: DIFFERENCE ACROSS VALVE - "Hg
(1) STD HEAD - E.83538
(2) LARGE VALVE HEAD - E.83906
  
  


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