emrath@uiuccsb.UUCP (04/28/84)
#R:ihuxb:-62800:uiuccsb:5700037:000:722 uiuccsb!emrath Apr 28 16:01:00 1984 /**** uiuccsb:net.audio / ihuxb!jphalter / 5:15 am Apr 27, 1984 ****/ >> In theory, there should be no skating force present when an ungrooved >> portion of an LP is played. I'd sure like to see a reference to this theory of yours. The theory I'm familiar with doesn't agree at all. (I'm assuming the above statement applies to an articulated arm) >> Skating force originates because of the >> oblique angle of an articulated tone arm (and therefore stylus) with >> respect to the cutting angle of the groove. I believe it should be "... with respect to the tangential (the velocity, hence force, vector) at the point of contact between arm and disk." Perry Emrath, UofIL ...{decvax|inuxc}!pur-ee!uiucdcs!emrath