[TowerTalk] hairpin matches

[Joe Subich, W4TV]

The Hy-Gain "clamshell" element mounting is very difficult to use on
six meters as the feedpoint connection fans out by at least 4".

I agree with Hector ... scrap the Hy-Gain boom to element mounts and
start with a clean design based on insulated elements above or below
the boom.  In addition to G0KSC's designs, those by Pop, YU7EF are
well recommended, have been built by many and are solid performers.
See: http://www.yu7ef.com/ - the EF606 would work very well on the
Hy-Gain 24' boom and offers a direct 50 Ohm feed.

73,

    ... Joe, W4TV


On 8/8/2013 1:10 PM, Hector Garcia XE2K wrote:
> Robert
> Will recommend if you go for other design that have no need for a matching device like the gamma, beta , delta, testa or the Hair pin
>
> I got excellent results  compared to commercial in production antennas making my own 6m and 10m yagis with GØKSC designs
> Will say that several model of LFA can fit in your boom , OWL or a OWA, direct feed to 50 ohms and low noise  antennas
>
> Check the page and get a new proved design and not one made with a calculator and  with  uncertain gain and performance
> Give a try
>
> http://www.g0ksc.co.uk/
>
>
> Just one happy "Customer" of Justin's work to the hams
>
> J.Hector Garcia  XE2K / AD6D
> Mexicali B.C  DM22fp / El Centro
> P.O.Box 73
> El Centro CA 92244-0073
> http://xe2k.net
> Tweeter @XE2K
>
>
>
>
> ________________________________
>   From: r miles <greenacres113 at charter.net>
> To: 6m <50mhz at mailman.qth.net>; antennas <antennas at mailman.qth.net>; towertalk <towertalk at contesting.com>
> Sent: Thursday, August 8, 2013 9:41 AM
> Subject: [TowerTalk] hairpin matches
>
>
>
> I recently acquired a 5 el HyGain 10m monobander on a 24' boom. The yagi uses a hairpin match. The plan is to convert it to 6m. Either a WVO special on 19' of boom or use the full 24'. Since it's already in place we are considering using the hairpin. Obvoiusly  shorter as the freq is nearly double 10m.  My friend W4HLR  will be actually doing the construction.
> We would like to hear your experiences with HyGain hairpin matches on monobanders. Or any monobander.  Is there an advantage using a hairpin rather than gamma or other methods. DX-Eng sells hairpins & say they are better than gamma, etc.
> We're hoping to end  up  with a heavy duty yagi as the boom & element sizes of this yagi are bigger & heavier than most  6m yagis.
> It will be for  next seasons 6m Es. If there is one. Hi! Really was poor this Summer in NW Tn.
>
> Tnx K9IL
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