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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).
Comparison of five alternative balance weight schemes for a crankshaft.

Identifier  ExFiles\Box 14\2\  Scan113
Date  2nd April 1931
  
ALTERNATIVE BALANCE WEIGHT SCHEMES
A
.866W
.866W
W
.866W
.866W
B
.433W
.433W
.433W
.433W
C
.500W
.250W
.750W
.580W
D
.580W
.250W
.250W
.250W
.1250W
.580W
E
.580W
.500W
.580W
.500W
.500W
.500W
.500W
W IS THE EQUIVALENT OUT OF BALANCE WEIGHT AT CRANKPIN RADIUS - PER CRANK
A.{Mr Adams} 4 WTS, BALANCING COUPLE ONLY.
B. 8 " " " "
C. R'S LATEST SCHEME.
D.{John DeLooze - Company Secretary} CHRYSLER SCHEME.
E.{Mr Elliott - Chief Engineer} ORIGINAL W.W. SCHEME.
TSA
2/4/31
  
  


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