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  • In reply to @mdcc_tester

    Tnx tester. I wonder why wheels don't come with a drag coefficient. It's not hard to calculate. Put them on a work bench at a constant temperature, rotate them at a given speed and see when they stop.

  • Don't know if @danstuff is saying the same thing, but wouldn't that just measure the friction of the bearings not the wind resistance?

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