[pianotech] Changing or upsizing bridge pins

Andreas Risberg garheimer at hotmail.com
Mon Nov 9 22:01:20 MST 2009


Dear everyone at the list, it's been a while!


I'm tuning Gösta Rundqvists Steinway O a couple of times every week since he's trying to record as much of his wonderful music as possible before he has to leave this planet for good. Leukemia will soon end his life. Google his name if you want to know something about this wonderful pianist and friend!


Anyway, quite a few strings have false beats and some of them lack a defined center of tone. I massage the strings regularly to set the strings as flat against the bridges as possible. (I'm not overdoing this, not squashing the edge between the bridge top and the notch, just simply softly setting strings that need it.) Of course this helps a lot but there are still a few strings that i suspect sound bad due to some of the bridge pins not being super tight. (Once again, I know that the hammer shape is not perfect, but I know what that sounds like. Since theres not much time left he wants me to make the best out of a sad situation.) Hammering the pins further into the bridge helps in most cases but not all. I suspect that the top part of the bridge pin hole wears and widens so that the pin might move or vibrate with the string. Microscopically of course, but enough to cause the tone to lose it's center.


Has anyone had any experience in repinning small problem sections of the bridge of a piano? Also, I'm thinking about upsizing just to nearest larger size and avoid filing the top of the pins flat to leave the holes as tight as possible around the pin. (I will not leave the piano like this only during these recording sessions. I will of course rebuild the piano and help his future widow to get as much for his piano as possible once he's gone.)


Good morning and good night! 


Truly, Andreas Risberg
 		 	   		  
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