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Originally Posted by Matt Adams
Just as a heads up: if those plates are made out of aluminum, you may run into distortion in the keyway after repeated use. We had a similar problem on the hub of a large sprocket we were using on our arm this year, and we replaced it with steel after noticing it was enlarging. You may want to explore this a bit more when you start driving.
Overall, a FINE looking design! 
Matt |
There are two aluminum plates on each wheel, grabing the rollers. The total weight of each wheel is 3,7 pounds, and (guessing) each plate is 1/2'' thick. Do you think we may experience problems even so?