<html> <blockquote type=cite cite><hr> <dl><blockquote><font size=2></blockquote> <dd>Roger,</font><font size=3> <dd> </font><font size=2> <dd>It doesn't add stiffness, it adds mass.  About 97 grams worth, if memory serves.</font><font size=3> <dd> </font><font size=2> <dd>Impedance is made up of both stiffness and mass.  This thing affects the mass component only.</font><font size=3> <dd> </font><font size=2> <dd>Del<br> <br> </font><font size=3> <dd>Well I knew that, but I did'nt say it.<br> <br> <dd>Roger the Dodger <br> <br> <br> <br> <br> <br> </font> </dl><br> <div>Roger Jolly</div> <div>Saskatoon, Canada.</div> <div>306-665-0213</div> Fax 652-0505 </html>