<HTML> In a message dated 10/25/03 7:27:27 PM, pianobuilders@olynet.com writes: <BLOCKQUOTE CITE STYLE="BORDER-LEFT: #0000ff 2px solid; MARGIN-LEFT: 5px; = MARGIN-RIGHT: 0px; PADDING-LEFT: 5px" TYPE="CITE"> = Yes. This I have tried. On C-28 in an S&S B. I put a kink in the wire by= bending it to 45º prior to stringing. Even though the kink straightened o= ut so it was barely visible a distinct and annoying "wow" could be heard. Th= e character of the wow can be varied by where the kink is placed within the = speaking length. </BLOCKQUOTE> Now this IS scary to contemplate eyeball-small irregularities showing up wit= h discernable tone signatures. I admit to great ignorance on the true basics= of "false" beats in strings: Some technicians hold as true that the combina= tion of short string length in relation to an over-large diameter (read shor= t-short grands) causes the string to subdivide unevenly giving poor results = ? Can this mechanism be akin to the "wow"? Really the only way to tell is th= rough experiment. BTW I toured a wire-drawing mill in Michigan last year and= the most striking thing was the large amount of heat-treatment tooling, ass= aying laboratory, and measuring equipment, which brought home how radical th= e physical change was in the wire as the draw progressed, and the difficulty= of holding even a two or three ten-thousandth tolerance over many miles of = wire. One elegant thing they taught me was to use a tenth-reading instrument= (I like a dial snap indicator) that you pre-set to a master wire. Makes for= less reading difficulty since the "feel" ratio is so striking it's obvious = when you jump a size ! Glenn C.</HTML>