Thank you Benedeikt,
Wow, their oPTIBEAM OBW 10-5 MOXON wire beam looks wonderful. I wonder what the
wind load and price is. I am looking at this on the Array Solutions web site
but can't seem to
find out much there.
I will keep searching ON THE WEB for details.
Brian, AF4K
On 12 Apr 2015 at 13:05, Benedikt Sveinsson wrote:
> I have some comparison
>
> I had a new model of the TH7DX on a 43ft tower for 4 years - bougth the
> antenna new from Dxengineering
>
> In Feb I got a Optibeam OB9-5
>
> I really hated putting the TH7DX togeather - and then picking it up after
> each storm, the build quality was bad, tapering was not done properly so the
> clamps did not hold the elements properly, so I had to put a screw into every
> joint. Trap caps would not stay on, QRO op in rain was troublesome (live
> close to the sea). The Optibeam was just properly designed and withstood one
> of the worst storms we had here in decades (gusting over 45m/s) it was so
> easy to put to gether and no room for error. Just read the rewies on eham.
>
> On the air, the OB9-5 performs so much better than the TH7DX - that is my
> feeling albeit bit subjective - It seems to have much lower angle of
> radiation. I was sceptical as the OB9-5 only has 2 elements on each band,
> wheras the TH7DX has 3 or more. But on all bands the OB has outperformed the
> old design by far. It's very flat over each band in SWR. So I'm never going
> back to trapped yagis. I now have the feeling If I can hear the station, I
> can work it - and I always get the DX in few calls ;)
>
>
> 73, Benni TF3CY
>
>
>
>
>
> -----Original Message-----
> From: TowerTalk [mailto:towertalk-bounces@contesting.com] On Behalf Of Kelly
> Taylor
> Sent: 10. apríl 2015 18:48
> To: Bry Carling; jim@audiosystemsgroup.com
> Cc: towertalk@contesting.com
> Subject: Re: [TowerTalk] antenna choices
>
> Again, bad example.
>
> Cushcraft designs date back decades, in some cases to the 1950s and 60s. The
> development costs are all paid for.
>
> As we have seen, and as much as some people choose to disagree, modern
> antenna designs outperform 50-year-old trap designs. Enough people are
> willing to help pay for the development costs to get better antennas.
>
> Any business can only ever sell at a price the market will support. Enough
> people are buying F12, Optibeam, JK and other brands' antennas the businesses
> don't need to cut their prices. Those who don't buy their products aren't in
> enough quantity to force a lowering of price.
>
> If enough people voted with their feet, these makers would either have to cut
> their price or go out of business.
>
> Brian, if enough people are willing to pay you $10 for a crystal, and if you
> determine that a price cut is NOT going to alter demand for crystals, you're
> leaving the price at $10, yes?
>
> 73, kelly
> ve4xt
>
>
> On 4/10/15 11:56 AM, "Bry Carling" <bcarling@cfl.rr.com> wrote:
>
> > Mass production always lowers the price. That is not a fair comparison.
> > Somebody somewhere is quite happily making Cushcraft antennas for a
> > much lower price than these multi thousand dollar antennas.
> >
> > Best regards - Brian Carling
> > AF4K Crystals Co.
> > 117 Sterling Pine St.
> > Sanford, FL 32773
> >
> > Tel: +USA 321-262-5471
> >
> >
> >
> >
> >> On Apr 10, 2015, at 11:56 AM, Jim Brown <jim@audiosystemsgroup.com> wrote:
> >>
> >>> On Fri,4/10/2015 8:08 AM, Bry Carling wrote:
> >>> It seems like very few antennas are affordable to the average ham.
> >>>
> >>> It seems like they need some competition. With prices in the
> >>> multiple thousands of dollars for a few aluminum tubes somebody
> >>> could make lot of money by being less expensive...
> >>
> >> When we buy a product, we are paying for design, manufacturing,
> >> marketing, shipping, documentation, and support. None of that is free.
> >>
> >> Want to reduce the cost of an antenna? No problem. Pull out the ARRL
> >> Antenna Book, pick a design, order the hardware, and build it. Or get
> >> some version of NEC and design it yourself.
> >>
> >> While you're at it, keep track of the number of hours you spend. From
> >> the cost of those overpriced antennas, subtract what you paid for
> >> materials, and divide that number by the number of hours. Chances are
> >> it will be less than what you could make flipping burgers at McDonalds.
> >>
> >> 73, Jim K9YC
> >> _______________________________________________
> >>
> >>
> >>
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> >> http://lists.contesting.com/mailman/listinfo/towertalk
> > _______________________________________________
> >
> >
> >
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> >
>
>
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