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Posted to rec.crafts.metalworking,rec.woodworking
cavelamb cavelamb is offline
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Default Setting a wagon tire

How hot does it have to be?

The coefficient of thermal expansion for steel is 0.00000645in/in/deg F.

75 inches x 0.00000645 = 0.00048375 PER DEGREE INCREASE.

So, how much fit do you need?