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In the Forum: Analog Playback
In the Thread: Copper Mat on a Micro Seiki Gun Metal Platter
Post Subject: My circumference forcePosted by Romy the Cat on: 10/13/2015
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 be wrote:
Your circumference force is right, but when viewed from above it work clocwise around the lateral bearing of the arm, therefore the arm wil tend to move inwards :-)

 Soory, Be, no matter how I look into it I can’t understand why circumference force would make the arm to move inward. If you spin your platter not at 33 but at let say 45 and pule some light subjects on the platter then they will be thrown off the platter. A needle and a tonearm are the subject of the very same forces and this is why LEFT side of the needle worn more if anticaking is not enough. The platter spins clockwise, so the needle left (the external) side pushed by circumference force press harder to the left side of the groove. It is not a surprise that the left side her more distortions and trucking problem when anti-skating is not enough. When you make a left turn at high spin then your car rolls over it’s right side- or outside of your driving trajectory…. Right?

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