RESEARCH PAPERS: Medical Devices and Sporting Equipment Paper

Analysis of Road Induced Loads in Bicycle Frames

[+] Author and Article Information
M. G. Wong, M. L. Hull

Department of Mechanical Engineering, University of California, Davis, Calif. 95616

J. Mech., Trans., and Automation 105(1), 138-145 (Mar 01, 1983) (8 pages) doi:10.1115/1.3267336 History: Received May 01, 1981; Online November 19, 2009


A five degree-of-freedom model of a bicycle and rider was developed to investigate the system response to inputs from the road as the first step in a unique fatigue failure analysis of a bicycle frame. Transfer functions relating the induced frame loads and the road input spectra are given, as are the frame load spectra for realistic levels of road inputs. The transfer functions show that the system is lightly damped and responds more strongly to inputs at the rear wheel than to inputs at the front. The load spectra show that the load picture is one of small fluctuations around a relatively large static offset.

Copyright © 1983 by ASME
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