<DIV>Richard, Maybe you already described this, but what is your method of getting the teflon powder into the bushings? Richard Brekne <Richard.Brekne@grieg.uib.no> wrote: <BLOCKQUOTE class=replbq style="PADDING-LEFT: 5px; MARGIN-LEFT: 5px; BORDER-LEFT: #1010ff 2px solid">Dave Nereson wrote: >............. What happens to the center pin hole when it gets humid? >My little un-scientific experiment suggests "not much", as does Yamaha's >position. Are they saying that when humid, the flange gets bigger, but it >expands in all directions, thus shrinking the hole a little, counteracting >the expansion? And vice versa? > Should we pin flanges tighter when it's humid and looser when it's dry, >or doesn't it matter? > --David Nereson, RPT > > Well.. if Yamaha has it right, then its about the same whether you repin in this, that, or the other climatic condition. Myself... I've always pinned at 5-7 swings no mater what the situation is. If the bushing cloth is reasonably clean and free from diverse chemical additives.... then this has always performed well. The addition of Teflon powder pretty much insures a stable, firm bushing with optimal friction. Cheers RicB _______________________________________________ pianotech list info: https://www.moypiano.com/resources/#archives </BLOCKQUOTE></DIV> Ryan Sowers, RPT Puget Sound Chapter Pianova Piano Service Olympia, WA <hr size=1>Do you Yahoo!? Win 1 of 4,000 free domain names from Yahoo! <a href="http://us.rd.yahoo.com/evt=26640/*http://promotions.yahoo.com/goldrush">Enter now</a>.