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<DIV><FONT face="Arial, Helvetica, sans-serif">Hi Jason,</FONT></DIV>
<DIV><FONT face=Arial>Thanks. I'll check that out. I joined a few other lists and I cannot keep up with too much e-mail. Thanks again</FONT></DIV>
<DIV><FONT face=Arial>Marshall</FONT></DIV>
<DIV> </DIV>
<BLOCKQUOTE style="PADDING-LEFT: 5px; MARGIN-LEFT: 5px; BORDER-LEFT: #1010ff 2px solid">-------------- Original message -------------- <BR>From: "Jason Kanter" <jkanter@rollingball.com> <BR><BR>> Look for a message that came on 8/1 titled <BR>> ptg.org mailing list memberships reminder <BR>> <BR>> all the info is in there. <BR>> <BR>> ----- Original Message ----- <BR>> From: "pianotune05" <PIANOTUNE05@COMCAST.NET><BR>> To: "Pianotech List" <PIANOTECH@PTG.ORG><BR>> Sent: Saturday, August 12, 2006 5:36 PM <BR>> Subject: switching to digest mode <BR>> <BR>> <BR>> > HI everyone, <BR>> > I wanted to know how to change to receiving the list on digest mode. Any <BR>> > suggestions? Thanks <BR>> > Marshall <BR>> > ----- Original Message ----- <BR>> > From: "Ric Brekne" <RICBREK@BROADPARK.NO><BR>> > To: <PIANOTECH@PTG.ORG><BR>> > Sent: Saturday, August 12, 2006 3:50 PM <BR>> > Subject: Key Bushin
g Clearance/Friction, was: Key mortise correction <BR>> > <BR>> > <BR>> >> Hi Terry <BR>> >> <BR>> >> You dont really. 0.002" and 0.005 are rather more like of theoretical <BR>> >> values which ends up being very close to what the <<OPTIMALIZED>> bushing <BR>> >> feels like. You develop a feel for this sideways motion in both the <BR>> >> keybutton and the front bushings. And... as such things go... the actual <BR>> >> results vary a bit from tech to tech. Experienced techs whov'e gotten <BR>> >> good at this however display a pretty high degree of likeness in end <BR>> >> results. <BR>> >> <BR>> >> As for how much friction this ends up yeilding. Total key friction <BR>> >> shouldnt end up being more then absolute max 2 grams IMB... and I strive <BR>> >> for 1-1.5 grams. I find it difficult to understand how you can <BR>> >> consistantly ge
t lower then this and still maintain firmness of play <BR>> >> myself. <BR>> >> <BR>> >> Cheers <BR>> >> RicB <BR>> >> <BR>> >> --------- <BR>> >> Two questions: How do you go about measuring key bushing clearance? And <BR>> >> how much key friction does these specs commonly yield? <BR>> >> <BR>> >> Terry Farrell <BR>> >> ----- Original Message ----- <BR>> >> SNIP <BR>> >> 4. Tight key bushing's. Gently squeeze the bushing to have .002" <BR>> >> clearance at BR bushings and .005" for FR bushing's. <BR>> >> <BR>> >> Regards Roger <BR>> > <BR>> </BLOCKQUOTE></body></html>