<html> <head> <META HTTP-EQUIV="Content-Type" CONTENT="text/html; charset=US-ASCII"> <meta name=Generator content="Microsoft Word 10 (filtered)"> <title>Light fixtures</title> <style>  </style> </head> <body lang=EN-US link=blue vlink=purple style='WORD-WRAP: break-word; -khtml-nbsp-mode: space;-khtml-line-break: after-white-space'> <div class=Section1> I have found with the Wurzens that they do not respond to traditional shoulder needling.  The tension seems to be mostly in the outer layers and a slightly different method of needling is required.  That method is to free up the outer layers of felt by needling at an angle of about 45 degrees to the felt surface starting at about 9:30 and 2:30 with the needles pointing downward toward the staple.  Move upward toward the crown in a radial pattern  with maybe 4-5 stitches (3 needle tool with needles extending about 10 mm) on each side for the lower part of the piano progressing down to 1 or 2 stitches in the treble (if needed).  You can do this to within a few mm’s of the crown.  To give some orientation for the angle, when needling near the crown, the needles will be pointing in the direction of the shoulder.  At the 9:30 position,  the needles will be pointing toward the shank/hammer molding intersection.  While the needles will be completely inserted to their full length, the depth of penetration from the surface at the tips of the needles should be maybe 5-6 mm in the bass progressing to 2-3 mm in the treble.  Sugar coat over the top as needed.      <div> David Love davidlovepianos@comcast.net www.davidlovepianos.com </div> -----Original Message----- From: caut-bounces@ptg.org [mailto:caut-bounces@ptg.org] On Behalf Of David Ilvedson Sent: Tuesday, October 03, 2006 11:04 AM To: caut@ptg.org Subject: Re: [CAUT] durability (was funding)   I would be interested if you have noticed any voicing difficulties with the Ronsen Wurzen?   It seems to me I get little change with shoulder work and have to very near the crown...comments? David Ilvedson, RPT Pacifica, CA 94044 <div style='border:none;border-left:solid black 2.25pt;padding:0in 0in 0in 4.0pt'> <div class=MsoNormal align=center style='margin-left:.5in;text-align:center'> <hr size=2 width="100%" align=center> </div> Original message From: "Porritt, David" <DPORRITT@MAIL.SMU.EDU>To: "College and University Technicians" <CAUT@PTG.ORG>Received: 10/3/2006 10:27:02 AM Subject: Re: [CAUT] durability (was funding) For the past 2 years I’ve been hanging only Ronsen Wurzen felt hammers and I’ve been surprised and pleased at the longevity.  At the end of a year they didn’t even appear grooved.  Pulling the action and looking closer you could see string marks but not what you’d call grooves.  That felt is just so dense that it holds up.  The next 3 or 4 years will tell the story but so far so very-good.   dave   <div> David M. Porritt <a href="mailto:dporritt@smu.edu">dporritt@smu.edu</a> </div> <div> <div class=MsoNormal align=center style='margin-left:.5in;text-align:center'> <hr size=2 width="100%" align=center> </div> From: caut-bounces@ptg.org [mailto:caut-bounces@ptg.org] On Behalf Of Jeff Tanner Sent: Tuesday, October 03, 2006 11:42 AM To: College and University Technicians Subject: Re: [CAUT] durability (was funding) </div>     <div> <div> On Oct 2, 2006, at 6:10 PM, Rick Florence wrote: </div>    I think our Piano faculty are close to what your Chair does - hammers last about 4 years.  Our performance major practice rooms make it 2-3 years.  We've tried a number of different hammers, but the results are not much difference.  We are in the middle of hanging a set of the new Abel Hammers (Bio felt?).  We'll see how they do.   <div>   </div> <div> I want to know when you guys have time to change hammers every 2, 3, 4 years.... </div>   Our concert instruments are serviced twice a week and touched up before each performance.  I suspect our program may a little busier than yours, however, which necessitates the extra service.  Last year we had over 600 events.   <div>   </div> <div> ...and get all these tunings done in 40 hours a week. </div>   Back to work... <div>   </div> duh...? </div> <div>     Rick </div> <div>   </div> We're having a rebuilding meeting with the dean and piano faculty in the morning.  We've had virtually no budget funding beyond my salary, and I'm taking every bit of this thread to the meeting with me. <div> Jeff </div>   <div> <div> Jeff Tanner, RPT </div> <div> University of South Carolina </div> <div>   </div>   </div>   </div> </div> </body> </html>