Question 4.CS.1B: Bicycle Brake Lever Stress and Deflection Analysis Problem D...
Bicycle Brake Lever Stress and Deflection Analysis
Problem Determine the stresses and deflections at critical points in the brake lever shown in Figures 3-1 (repeated here) and 4-47.
Given The geometry and loading are known from Case Study 1A (p. 79). The pivot pin is 8-mm dia. The average human’s hand can develop a grip force of about 267 N (60 lb) in the lever position shown.
Assumptions The most likely failure points are the two holes where the pins insert and at the root of the cantilever-beam lever handle. The cross section of the lever handle is essentially circular.
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