"If you want to know the truth, stop having opinions" (Chinese fortune cookie) In a message dated 08/11/07 21:30:01 Central Daylight Time, donmannino at ca.rr.com writes: Jack should be pinned so that it falls slowly of it's own weight when the wippen is held with the jack tender pointing up. This give a correct amount of friction to match the weight of the upper part of the jack, which helps control unwanted jack bounces during fast play. Don, you were the one who first told me about this test, and I have loved it for its accuracy; it actually measures at about 2 grams of torque. Paul -------------- next part -------------- An HTML attachment was scrubbed... URL: https://www.moypiano.com/ptg/pianotech.php/attachments/20070811/c1f7cf87/attachment.html
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