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 showing the power output of a 20 HP engine with increased compression ratios.

Identifier  ExFiles\Box 6\7\  07-page013
Date  15th July 1924
  
20 H.P. ENGINE - POWER OUTPUT WITH INCREASED COMPRESSION RATIO
CORRECTED FOR BAR 760 m/m
AIR 12° C
B.H.P.
R.P.M.
5.45 TO 1 COMP'S RATIO
CALCULATED FOR 5.45/1 RATIO
STD COMP'N RATIO 4.75 TO 1
CLH / 15/7/24
  
  


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