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 oil dissipation and pressure drop for two different cooler core designs.

Identifier  ExFiles\Box 131\5\  scan0120
Date  11th July 1939 guessed
  
File 1280 1114
VISCON COMPARISON
VARIABLE OILFLOW - 15 G.P.M. WATERFLOW
210°F.{Mr Friese} INLET OIL - 170°F INLET WATER
HYDROGEN BRAZED - 8 PLATE TUBES - 25 CU.IN. CORE WITH HEADERS
175 CART. TUBE - REG. PROD. - 36 CU.IN. CORE WITHOUT HEADERS.
OIL DISSIPATION - B.T.U./MIN./40° I.T.D.
PRESS. DROP - LBS./SQ. IN.
OIL FLOW - G.P.M.
DISSIPATION
PRESS. DROP
CART. TUBE
HYD. BRAZED
VELOCITIES - FT./SEC.
H.B. CART.
3 G.P.M. = 1.53 2.14
5 G.P.M. = 2.56 3.57
7 G.P.M. = 3.58 5.0
  
  


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