Evaluation of wheelchair tire rolling resistance using dynamometer-based coast-down tests

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Reference Type:
Journal Article
Accession No.:
Journal of Rehabilitation Research and Development
Year, Volume, Issue, Page(s):
2009, vol. 46, issue 7, pp 931-938
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The objective of this study was to compare the rolling resistance of four common manual wheelchair tires (two pneumatic and two airless solid) and the solid tires used on a commercially available force- and moment-sensing wheel. Coast-down tests were performed with a wheelchair positioned on a two-drum dynamometer. Within each of three load conditions, tire type had a significant effect on rolling resistance (p < 0.001). The pneumatic tires had smaller rolling resistances and were less affected by load increases than the solid tires. Within the two tire types, higher air pressure or firmness and lower profile tread corresponded to less rolling resistance. Wheelchair users, clinicians, and researchers must consider the effect of tire type on wheelchair rolling resistance when selecting a manual wheelchair tire.
Kwarciak A.M., Yarossi M., Ramanujam A., Dyson-Hudson T.A., Sisto S.A.
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