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<DIV><FONT size=3D2>We use the following formula for estimating=20
weights:</FONT></DIV>
<DIV> </DIV>
<DIV><FONT size=3D2>W =3D ( C * f * (D to the power 4) )/U</FONT></DIV>
<DIV> </DIV>
<DIV><FONT size=3D2>where c is a contant between 2.6 and 3. Use 3 for moder=
n bells=20
and around 2.7 for older bells.</FONT></DIV>
<DIV><FONT size=3D2>U is a constant of value 4359085</FONT></DIV>
<DIV><FONT size=3D2>f is the frequency of the Nominal partial in Hz</FONT><=
/DIV>
<DIV><FONT size=3D2>D is the diameter of the bell in inches</FONT></DIV>
<DIV><FONT size=3D2>W is the weight in pounds.</FONT></DIV>
<DIV> </DIV>
<DIV><FONT size=3D2>Dave</FONT></DIV>
<DIV><FONT size=3D2></FONT> </DIV>
<DIV> </DIV>
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