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Welcome Licorice Pizza (LP) lovers! Setup guides and Vinyl FAQ.

RE: That's not the whole story of skating force...

Yes, offset angle is only an approximation of the drag vector because the cartridge could be mounted at any angle and you could still drop the stylus in the groove (although you may bend your cantilever...)

The only thing that matters is the point at which the stylus touches the record. When the record turns, that spot will move (and pull the stylus) in a direction perpendicular to the radius and tangent to the groove. The overhang determines the spot and the tangent line (drag force vector, etc...) will pass to the right side of the arm pivot, pulling the arm to the left. The size of the stylus contact area and the tracking force will affect the amount of drag.

I focused on the offset angle because it's an easy way to visualize the groove's direction of travel.



Edits: 04/22/15 04/22/15

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