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Re: i believe...

I think what you're thinking is that skating force comes from tracking error, which would be incorrect. Skating force is present all the way across the record and is due to the overhang/offset angle employed on pivoting arms.

The motion of the vinyl at the point of contact is always perpendicular to a radius line from the center of the LP to that point. This is the direction of pull on the arm from friction. If you draw a line representing the direction of drag on the stylus, then draw a line from the stylus to the arm suspension, you'll see that they're not parallel. The arm will always want to swing in a direction to make the lines parallel, and thus we have skating force.

-Bry

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