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<br>I'm no artist mind you... but the one on the left is convex, like our
capstans. The oposite of convex is concave... also dimpled if you will...
like a small bowl.
<p>With a concave, you would end up with just as much surface contact with
the heel, but the length of the resulting fulcrum would be longer.
<br>
<p>David Ilvedson wrote:
<blockquote TYPE=CITE>Can you make a drawing or take a picture of this...I'm
trying to work it out in my
<br>feeble mind...
<p>David I.
<br> </blockquote>
<img SRC="cid:part1.3E272229.CCDA0CAB@grieg.uib.no" height=114 width=167>
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<br>
<p>--
<br>Richard Brekne
<br>RPT, N.P.T.F.
<br>UiB, Bergen, Norway
<br><A HREF="mailto:rbrekne@broadpark.no">mailto:rbrekne@broadpark.no</A>
<br><A HREF="http://home.broadpark.no/~rbrekne/ricmain.html">http://home.broadpark.no/~rbrekne/ricmain.html</A>
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