<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.0 Transitional//EN"> <HTML><HEAD> <META http-equiv=Content-Type content="text/html; = charset=iso-8859-1"> <META content="MSHTML 6.00.2800.1400" name=GENERATOR> <STYLE></STYLE> </HEAD> <BODY bgColor=#ffffff> <DIV><FONT face=Arial size=2>Something less than that tension that = will cause them to break. There is no exact answer for you. Some will break while = still flat, and some will go a couple hundred cents sharp before breaking. = Another concern is causing permanent stretch-damage to the string. Don't know = where that might start. A lot of that will depend on the scaling itself - which is = going to vary widely among pianos.</FONT></DIV> <DIV><FONT face=Arial size=2></FONT> </DIV> <DIV><FONT face=Arial size=2>I try to not go more than 25 cents - = although I have overpulled 40 cents or so on occasion.</FONT></DIV> <DIV><FONT face=Arial size=2></FONT> </DIV> <DIV><FONT face=Arial size=2>Terry Farrell</FONT></DIV> <BLOCKQUOTE style="PADDING-RIGHT: 0px; PADDING-LEFT: 5px; MARGIN-LEFT: 5px; = BORDER-LEFT: #000000 2px solid; MARGIN-RIGHT: 0px"> <DIV style="FONT: 10pt arial"> </DIV><FONT = face=arial,helvetica><FONT face=Geneva color=#000000 size=2 FAMILY="SANSSERIF">how many = cents above zero is safe to pull the bass strings up, when doing a pitch raise.<BR><BR>pp</FONT><FONT face=Geneva color=#000000 size=2 FAMILY="SANSSERIF"></FONT> </FONT></BLOCKQUOTE></BODY></HTML>