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).
Blueprint graph showing torsional oscillation test results on a B.80 No. 3 engine with no damper.

Identifier  ExFiles\Box 132\1\  scan0134
Date  28th March 1939
  
TORSIONAL OSCILLATION TESTS ON B.80 NO. 3 (2.75" DIA SHAFT.)
NO DAMPER
AMPLITUDE .65°
1200 R.P.M.
AMPLITUDE .95°
3600 R.P.M.
FIG. 3
J.R.S. 28.3.39
  
  


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