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Old 08-19-2016, 09:46 PM
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armiller armiller is offline
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Lots of factors. First, I assume you're talking backhand rollers. I think when people say that they simply mean that the disc is flippy enough that you can get some good "yoink" on it to make it land on its edge. In my experience, people don't usually think much beyond that, though maybe you roll with better players than I do.

I suppose a large moment of inertia would theoretically mean more resistance to deceleration. In practice, I don't think there's a big enough difference between discs for this to be a big factor. Instead, maybe the biggest thing is where the center of mass is. E.g. if the center of mass is directly above the edge that contacts the ground while rolling, there is no torque on the disc. That means the disc will experience less precession and should theoretically roll farther.

That's basically me thinking out loud. I don't think it's glaringly wrong...
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