<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.0 Transitional//EN"> <html xmlns:o="urn:schemas-microsoft-com:office:office" = xmlns:w="urn:schemas-microsoft-com:office:word" = xmlns="http://www.w3.org/TR/REC-html40"> <head> <META HTTP-EQUIV="Content-Type" CONTENT="text/html; = charset=us-ascii"> <meta name=ProgId content=Word.Document> <meta name=Generator content="Microsoft Word 10"> <meta name=Originator content="Microsoft Word 10"> <link rel=File-List href="cid:filelist.xml@01C61385.8F2EB9A0">  <style>  </style>  </head> <body lang=EN-US link=blue vlink=purple = style='tab-interval:.5in' id="role_body" bottomMargin=7 leftmargin=7 topmargin=7 rightMargin=7> <div class=Section1> Hi Dale, = <o:p></o:p> <o:p> </o:p> No wonder your head is spinning. = Just take a look at how many times you switched between inches and millimeters. = ;-)<o:p></o:p> <o:p> </o:p> <div> Dean<o:p></o:p></fon= t> Dean May       &nbs= p;     cell 812.239.3359<o:p></o:p> PianoRebuilders.co= m   = 812.235.5272<o:p></o:p> Terre Haute = IN  = 47802<o:p></o:p> </div> <o:p> </o:p> -----Original = Message----- From: = pianotech-bounces@ptg.org [mailto:pianotech-bounces@ptg.org] On Behalf Of Erwinspiano@aol.com Sent: Saturday, January = 07, 2006 11:08 AM To: pianotech@ptg.org Subject: Steinway = Accelerated actions <o:p> </o:p> <div>   &nbs= p; <o:p></o:p> </div> <div>   &nbs= p;           = HI Boy & = Girls <o:p></o:p> </div> <div>  <o:p></o:p= > </div> <div>   &nbs= p;   WOW ,All this talk of unison cracking made my brain  numb so I = thought I'd take a different road for fun to distract you 'all<o:p></o:p> </div> <div>   I my quest to learn all I can about Balancing actions , choosing = the right parts & balance weights and such has led me  once again happy = to be reminded that I Love the Steinway company for providing me yet = another  oppurtunity of endless proportions & to make Bank having =  fun making the differing macinations & incarnations of the illustrious = Steinway actions work properly. It is a challenge & honestly if wern't for = them I wouldn't know any thing about this stuff because they have given me = endless oppurtunitys ..............................etc.<o:p></o:p> </div> <div> So I'm grateful. You disadvantaged European guys probably don't' get this rich opportunity with the German Stwy engineering. <o:p></o:p> </div> <div>   &nbs= p; unt I heer dee have  zee jeegs  & = feexteures over daer too so theey make zee actions uniform ...shhhhhhh   New york  Might find = out!<o:p></o:p> </div> <div>   You gotta watch out for these factory tricksters.  There always = coming up with a new  action brain storm.<o:p></o:p></spa= n> </div> <div>   Seriously though it is what it is & I enjoy making a living fixing = this stuff.  It give me creative license<o:p></o:p></spa= n> </div> <div>    <o:p></o:p> </div> <div>   &nbs= p;  I'm currently working over a wonderful sounding 1966 Steinway  B = with the <o:p></o:p> </div> <div>   keys -O- lead syndrome.  Interesting case study.. The high = ratio action always has it's tell tale indicators.<o:p></o:p> </div> <div>   &nbs= p;  . i.e..  48 mm blow or longer  & .375 dip, or less  at the = pin &  keys full of lead starting at the balance rail<o:p></o:p> </div> <div>   &nbs= p;   Installing the new shanks & flanges side by side with the old ones revealed the location of the teflon enraptured center pin to be roughly 146mm above keybed.  145 to 146mm ....This fairly typical<o:p></o:p> </div> <div>   However the new parts pin location is almost 2 mm higher.  The pin = sits low in the Teflon flange.  Why? dun no  = Hmm...<o:p></o:p> </div> <div>   The hammers were  bored short for a B at 1 3/4 " or 46 mm. = which was correct  for the old parts. <o:p></o:p></spa= n> </div> <div>   &nbs= p; The wippen pin height was also higher than the standard 3 1/4 inch by = more than 2 mm.<o:p></o:p> </div> <div>  </f= ont> The beginning action ration was 6 to 1. with 16.5 knuckles.  Using = <o:p></o:p> </div> <div>   17 mms knuckles  with the different pin placement made the spread  a squeak wider 4 7/16ths but still brought the ratio  down to around 5.7ish  Still to high.   = I also chose to reduce the action height by whittling away the action = cleats 2 mm to get the center pins & hammer bore into a = more  typical range. <o:p></o:p></spa= n> </div> <div>   The capstans fortunately will be able to be moved forward 2 or 3 mm = which will bring the ratio down closer to 5.5 to 5.3 which would be really = great.<o:p></o:p> </div> <div>   At this ratio I can of course remove lead, reduce inertia = , increase hammer  bore length, Increase hammer weight a bit = & improve regulation parameters to 1/3/4 ish blow & .390 dip, which is = more typical for Many Stwy pianos.<o:p></o:p></spa= n> </div> <div>   It was suggested that another fix for this would be to get a modern = stack & strat over.& I beleive thsi idea has merit but wasn't really = necessary. Any body do this?<o:p></o:p></spa= n> </div> <div>   All this change of course allows a pianist to access the tonal = potential  of a great instrument, in this case, of a really good original B = belly set up. It's a lot of fun.<o:p></o:p></spa= n> </div> <div>    By the way the Wurzen hammers on this piano were right where they needed = to be right out of the box.  Power without noise & lots of = color.  No needling.<o:p></o:p></spa= n> </div> <div>   It's to good to be true......naaahhhhh! <o:p></o:p></spa= n> </div> <div>   Happy Saturday<o:p></o:p></spa= n> </div> <div>    Dale<o:p></o:p> </div> <div>   = <o:p></o:p> </div> <div>   .<o:p></o:p> </div> </div> </body> </html>