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 | ||