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<DIV><FONT face=3DArial size=3D2>From memory (risky), the bell is 25" diame=
ter, the=20
soundbow is approximately 6" thick and the clapper ball is 4" diameter. If =
I can=20
subtract correctly, that means the clapper travels about 9" from one side o=
f the=20
bell to the other.</FONT></DIV>
<DIV><FONT face=3DArial size=3D2></FONT> </DIV>
<DIV><FONT face=3DArial size=3D2>Andrew</FONT></DIV>
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<DIV style=3D"FONT: 10pt arial">----- Original Message ----- </DIV>
<DIV=20
style=3D"BACKGROUND: #e4e4e4; FONT: 10pt arial; font-color: black"><B>Fro=
m:</B>=20
<A title=3Ddavid@b...=20
href=3D"mailto:david@b...">David Bryant</A> </DIV>
<DIV style=3D"FONT: 10pt arial"><B>To:</B> <A=20
title=3Dbellhistorians@yahoogroups.com=20
href=3D"mailto:bellhistorians@yahoogroups.com">bellhistorians@yahoogroups=
.com</A>=20
</DIV>
<DIV style=3D"FONT: 10pt arial"><B>Sent:</B> Wednesday, August 11, 2004 9=
:09=20
AM</DIV>
<DIV style=3D"FONT: 10pt arial"><B>Subject:</B> Re: Re: [Bell Historians]=
=20
Trebles on higher numbers</DIV>
<DIV><BR></DIV><TT>> I'm surprised that no one has reacted to this poi=
nt=20
yet. There is no <BR>> *direct* connection between thickness and clapp=
er=20
throw. Two bells <BR>> of the same pitch but different thickness will =
have=20
different <BR>> external profiles but the same internal profiles, beca=
use=20
it is <BR>> internal diameter which controls pitch. (Why else would tu=
ning=20
be <BR>> done on the inside rather than the outside?) Therefore those =
two=20
<BR>> bells will have the *same* internal space available for clapper=
=20
<BR>> throw. (The thicker bell may well have a larger diameter at the =
lip,=20
<BR>> but it won't have a larger diameter at the sound bow--the point =
of=20
<BR>> impact of the clapper.)<BR><BR>The point with the Bullring trebl=
e is=20
that it is so thick that it needs hitting hard to sound loud enough, but=
=20
because it is so thick there is not much internal space, so the clapper t=
ravel=20
is severely reduced. As I understand it, even with a very heavy clapper f=
or=20
the size of the bell it has proved difficult to make it sound loud enough=
=20
because of the restricted clapper movement.<BR><BR>David<BR><BR>--=20
<BR><BR>Whatever you Wanadoo:<BR><A=20
href=3D"http://www.wanadoo.co.uk/time/">http://www.wanadoo.co.uk/time/</A=
><BR><BR>This=20
email has been checked for most known viruses - find out more at: <A=20
href=3D"http://www.wanadoo.co.uk/help/id/7098.htm">http://www.wanadoo.co.=
uk/help/id/7098.htm</A><BR></TT><BR></BODY></HTML>