[TowerTalk] hairpin

[Don Havlicek]

I'll measure the loop on mine tomorrow .. and post it here.
Don
N8DE

CubexCo at aol.com wrote:
> In a message dated 9/29/2004 4:34:20 PM Eastern Daylight Time, 
> towertalk-request at contesting.com writes:
> Could anyone help me with the measurements of the Hairpin match used on
> the Telrex TB5EM.  I purchased a used one and the hairpin match is
> missing.  I do have the blueprint drawings of the antenna, and know the
> shape, but I do not know the dimensions.  It is about a number 10 or 8
> gauge aluminum wire bent in the shape of a "U" and appears to be the
> width of the attachment points on the driven elements.  I can trial and
> error the length,  but I hope to get some dimension here.  I used to
> have Telrex TB6EM 32 years ago and loved it.
> ===============
> I think you are correct on the gauge of the wire (stainless steel) at about 
> #10 guage.  The length of the loop should be determined by the hole in the boom 
> where the end of the loop was fastened down with a sheet metal screw.  The 
> width is a little less then the attach points bend the wire toward the boom 
> about 1" (on each side) starting about 3 to 4 inches from the connection points.  
> The "Backend" at the boom attachment point has a uniform semicircular shape.
> 
> Regards,
> Norman W4QN
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