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 results of Wöhler fatigue tests on a cast iron crankshaft web.

Identifier  ExFiles\Box 132\1\  scan0018
Date  18th April 1927 guessed
  
STRESS IN TONS / □"
MILLIONS OF REVERSALS
WÖHLER FATIGUE TESTS ON WEB OF CAST IRON CRANKSHAFT
LETTERS IDENTIFY THE SPECIMEN
• INDICATES FAILURES
→ INDICATES NO FAILURE - STRESS RAISED
B
C
D
E
F
  
  


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