Hi, I've always thought that the pin block or pin in the block rotates in the direction of the force placed on it and that this effect is affected by humidity swings. Flag poling a la humidity change? At 11:18 AM 7/17/2005 -0300, you wrote: >Wouldn't that indicate that it was the pin turning? >With the screw stringer, staying in tune for a apparently much longer time, >it would indicate that it was the turning of the pin that was having a >greater effect? >John M. Ross Regards, Don Rose, B.Mus., A.M.U.S., A.MUS., R.P.T. Non calor sed umor est qui nobis incommodat mailto:pianotuna@yahoo.com http://us.geocities.com/drpt1948/ 3004 Grant Rd. REGINA, SK, S4S 5G7 306-352-3620 or 1-888-29t-uner
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