Hi David, I have always wondered if a little CA on one of the wobbly kneed shanks would be a remedy. Never had a victim that I felt comfortable doing it to <G> Joe Goss RPT Mother Goose Tools imatunr@srvinet.com www.mothergoosetools.com ----- Original Message ----- From: "David Nereson" <dnereson@4dv.net> To: <dnereson@4dv.net>; "Pianotech" <pianotech@ptg.org> Sent: Saturday, August 27, 2005 1:35 PM Subject: Re: hammer "throw" on hard blow > David Nereson wrote: > > > I often encounter, when using test blows, hammers that get "thrown" > > left or right on a hard blow, missing one of the strings of the unison, > > even though they hit all three on a soft blow. This can happen just as > > often on straight-bored hammers as angle-bored ones. I'm not sure > > why. You can move the whole flange/butt assembly left or right so all > > three strings will be hit on the hard blow, but then on a soft blow, it > > barely contacts one of the outside strings. Does the flange twist or is > > the jack pushing one side of the butt (or knuckle) harder than the other > > or what? > > A similar situation is that of the "rubber shank." But usually > > "rubber shanks" wobble badly during and after the blow, like throwing a > > knife into a tree, where after it hits, the handle wobbles laterally > > (doing-oing-oing-oing-oing-oing...). This hammer being "thrown," > > however, is mainly during the blow, and no wobble after impact with the > > string. > > How to correct? > > --David Nereson, RPT > > > Oh, and I forgot to mention-- I already checked the obvious: the flange > screw is tight, the flange does not need re-pinning, and all glue joints > are sound. --D.N. > > > > > > > > > _______________________________________________ > > pianotech list info: https://www.moypiano.com/resources/#archives > > > > > > > _______________________________________________ > pianotech list info: https://www.moypiano.com/resources/#archives
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