trading toploads. (fwd)

["Tesla list" <tesla@xxxxxxxxxx>]

---------- Forwarded message ----------
Date: Mon, 8 Oct 2007 17:34:29 -0400
From: Scott Bogard <teslas-intern@xxxxxxxxxxx>
To: tesla@xxxxxxxxxx
Subject: trading toploads.


Hey guys,

     I am currently using a top load made of 12-in galvanized steel
elbows.  It is too heavy, and not very smooth, for these reasons I don't
like it.  I need to make a new one that is lighter, without sacrificing
capacitance, and I seem to be limited to Al-duct that is 7-8in, instead of
12.  The overall diameter of my toroid is about 30 inches, and the chord
diameter is obviously 12.  What should I use, and how big should it be, so
I don't need to completely re-tune.  I might also note, that I stack two
toploads, a smaller 7*24 and the bigger 12*30; one rests atop the other.  
Thanks in advance.

Scott Bogard.

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