Confirmed, plausible or 'busted'? This might be a good one to submit to the 'Mythbusters' people. I'm open to examining the science on this one. Regards to all, Stan Kroeker, RPT > The base premise is that strings somehow, against positive bearing, > pin angle, side bearing, and all that tension, climb up bridge pins. > They don't. The notch edge crushes with seasonal dimensional changes > in the bridge cap (such as swelling up under that string and meeting > clamping and bearing pressure resistance, as well as the 15lbs or so > of friction of the string against the pin), and no longer touches > the string at the pin during drier cycles. It's still on the bridge, > but the edge is crushed below the plane. The same forces "bell" out > the hole the pin is in, and it flagpoles with the string, making > false beats and other generally fuzzy sounds. So "seating" the > string or pin just temporarily forces the string below it's natural > plane at the pin, and jams it into the notch edge enough to stop the > flagpoling - sometimes. It doesn't fix anything because it doesn't > address the real problem, which is the flagpoling pin. The pin is > the termination, not the notch. If you must seat strings, I > recommend your thumb nail. You can entertain the illusion that some > good has been done, but you can't pound the string hard enough to do > any damage to the bridge. No fair getting titanium fake nails.
This PTG archive page provided courtesy of Moy Piano Service, LLC