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Why a metal rim that has to be fitted on a wooden wheel is heated before being fixed?
Wiki User
∙ 11y ago
The metal rim will expand when heated. It will then contract once placed round the wooden wheel's rim. This contraction will tighten and hold the wooden rim in a vice-like grip. The spokes and the wooden rim is made in separate parts and need the metal rim to hold it all together.
Wiki User
∙ 6y ago
Wiki User
∙ 6y agoThe metal rim expands when heated then shrinks as it cools providing a tight fit to the wooden wheel.
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