This antenna appears to have been "built from the ground up" (2004 variant).
http://www.kkn.net/dayton2004/W6NL_40.gif
and
http://www.kkn.net/dayton2004/W6NL_40M_MOXON_YAGI.pdf
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This antenna appears to have been built (2007 variant) from a modified
Cushcraft XM-240.
http://www.kkn.net/dayton2007/w6nl_ant.pdf
Will be nice if someone can put list of hardware (without tubes) used on
variant 2004. Maybe DX Enginnering can make some kit of hardware for W6NL
Moxon?
73' Samir
http://www.qsl.net/7s7v/
__________________________________________________________
Message: 2
Date: Fri, 07 Dec 2007 17:53:31 -0800
From: "Bob Selbrede, K6ZZ" <k6zz@ccis.com>
Subject: Re: [TowerTalk] W6NL 40-2CD => Moxon Conversion
To: "Tony Brock-Fisher"
<barockteer@aol.com>,<towertalk@contesting.com>
Message-ID: <4759f91b.143.2aa5.1074898519@mail.ccis.com>
Content-Type: text/plain; charset="iso-8859-1"
I concur. However, that wouldn't be as simple as it may appear. The are
three ways to approach the project from what I can tell. The first is to
biuld it from scratch without benefit of having a 402-CD or XM-240 around as
the base antenna to start with. Then, depending on which CC antenna you
have on hand, the parts list will be different primarily because the older
402-CD requires additional beefing up already taken care of in the XM-240.
A little poking around on the Internet reveals that W6NL initially published
a design for a 2 element 40M Moxon at Dayton in 2004. You can find this
presentation and other FB info on K3LR's web site (www.k3lr.com) as well as
other locations on the web. That antenna appears to have been "built from
the ground up" and has a slightly longer boom than the 402-CD/XM-240. The
2007 variant is based on a modified Cushcraft.
This antenna appears to have been "built from the ground up".. I didn't
realize how long the Cross-Tee pieces were until I put the tubing list
together. Those buggers are about 21' long and there's one on each element
half! As a result it's very important to truss and reinforce the elements
as shown in the design. I priced the tubing at one source and it will run
about $150 for the sizes and lengths required. The balance of the parts
consist of stainless steel hardware, small aluminum plates, and the element
truss materials. I would estimate the entire cost to be around $250 if
purchased new. Not too bad for a shorty-forty which rivals a full size
three element mounted at the same height!
73, Bob K6ZZ
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