Tag: Self-propelling
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Why Do Wheelchairs Have Big Wheels?
Wheelchairs have big, self propelling rear wheels so that the occupant can move themselves independently. They will also have small wheels on the front known as castors, which are primarily for turning.
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Why Do Wheelchairs Have Slanted Wheels?
Wheelchairs often have slanted wheels. This is called camber, and the purpose of camber is to provide more manoeuvrability by having decreased rolling resistance.