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 engine compression curves at variable speeds and strokes.

Identifier  ExFiles\Box 170\2\  img022
Date  16th April 1931 guessed
  
L 1650
COMPRESSION CURVES
VARIABLE SPEED
VARIABLE STROKE
7" ARM
OG-GO VALVES
690"/°
2.50
2.38
1.58
1.00
7" STROKE
3.87
2.50
2.02
1.48
1.00
6"
5"
4"
  
  


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