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 of cylinder head temperatures and a full throttle power curve for a Kestrel No. 25 fully supercharged engine.

Identifier  ExFiles\Box 179\3\  img058
Date  1st March 1932 guessed
  
No 2
CYL HEAD TEMPS KESTREL NO 25 FULL SUPERCHARGED
RUN WATER COOLED REFER TO CURVE NO 1 FOR
POSITION OF THERMO COUPLES
FULL THROTTLE POWER CURVE ON T.E.L.
LODGE AZ PLUGS
B.H.P.
R.P.M.
TEMPS °C
COUPLE ① & ③ INLET & EXH NO 3 CYL
COUPLE ② INLET NO 4 CYL
OUTLET WATER
INLET WATER
COMPARE WITH CURVE ① FOR COMPARISON OF
WATER & EVAPORATIVE COOLED
  
  


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