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 plotting heat flow to cooling water against brake horse power for an E.A.C. engine.

Identifier  ExFiles\Box 66\2\  scan0052
Date  28th April 1925
  
E.A.C. ENGINE, HEAT FLOW TO COOLING WATER
ENGINE SPEED CONSTANT AT 1500 R.P.M.
NO 1. SHOWS FALL IN HP & HT. FLOW AS BACK PRESSURE INCREASES
NO 2. " " " " " THROTTLE IS CLOSED.
B.Th.U's/MIN.
B.H.P.
FULL THROTTLE VARYING BACK PRESSURE
1.
VARYING THROTTLE NORMAL BACK PRESS
2.
A.C.L. 29/4/25
  
  


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