Top of the boom is the wrong place. From a physics standpoint there is
no "restoring" force to prevent an element going cockeyed from staying
there or getting worse. The opposite holds true when mounted on the
bottom. I think they call the top mounted condition one of "metastable
equilibrium"
73 de Brian/K3KO
Mark S Graalman wrote:
>
> I've always put the elements on top of the boom.
> No particular reason, I just thought if the elements are on top
> then the boom itself fully supports the weight of the elements
> and the element to boom clamping only has to keep the elements from
> sliding or rotating.
>
> Mark WB8JKR
>
> On Sun, 14 Feb 1999 15:02:32 -0500 "Jim White, K4OJ" <k4oj@ij.net>
> writes:
> >
> >OK - which is better, and why?
> >
> >Element to boom plate mounted on top side of boom, element is above
> >boom
> >
> >-or-
> >
> >
> >Element to boom plate mounted on bottom side of boom, element is
> >hanging
> >below boom
> >
> >
> >TNX
> >
> >
> >73,
> >
> >Jim, K4OJ
> >k4oj@ij.net
> >
> >
> >Proud member of the Florida Contest Group - visit our website at:
> >http://www.4w.com/deemer/fcg.htm
> >
> >
> >The Florida Contest Group sponsors the Florida QSO Party, check out
> >the FQP
> >website@:
> >http://home1.gte.net/wd4ahz/fcg/ssqp.htm
> >
> >--
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>
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