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 the efficiency and deflection of a pin-jointed octagon against input load in pounds.

Identifier  ExFiles\Box 13\1\  01-page74
Date  21th December 1934 guessed
  
EFFICIENCY %
100%
90%
EFFICIENCY OF PIN JOINTED OCTAGON
R R PIN JOINTS Nᵒˢ G 53634 G 50142 G 52047
EFFICIENCY (95.5%)
SPRING BALANCE IN ONE "SECONDARY" SIDE GIVING DEFINITE SLIP IN JOINTS.
FOR N = 95.5% M = 0.265
DEFLECTION THOUSANDTHS OF AN INCH
700
600
500
400
300
200
100
LBS - INPUT
0 20 70 120 170 220 320 420 520 620
  
  


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