<html> <body> Carol, I have a few things I've saved from previous discussions on this. I'll send it to you as an attached Word document if you'd like. Primarily basics like Journal article dates, links to David's drawings/pictures, etc. I also have a bunch of posts about weighing the shanks/flanges, hammers, placement of them, etc. I could put that together too, if you'd like. Let me know. Avery At 09:07 AM 12/13/03, you wrote: <blockquote type=cite class=cite cite>Through the years I have sat through David Stanwood's classes on this subject, so I will now try to find my notes and class handouts.  I never had a reason before to really know about touch weight until now when pianos will be replaced or not on my say so. I like being able to make decisions based upon concrete, mathematical data - not brand names!  I will also go to the church and measure the touch weight on the piano my client finds appropriate so we can compare numbers on other pianos.  Apparently, it no longer is enough that a piano action feels fine to the person buying the piano if it can change radically after purchase! My thanks to all who have given their imput, and I am quite ready to receive more advice and pointed in the right directions to learning all I need to know about friction and balance weight in piano actions. Carol Beigel</blockquote> </body> </html>