On 12/19/2012 9:56 AM, Wayne Kline wrote:
Hi Roger
The small 24' BX style towers are not the failure Point. it's the
44' stinger that's the area of failure !
That's what I'm saying. Guy the stinger. I di that here with multiband
verticals.
73
Roger (K8RI)
Another friend who's of the DX- Expedition type suggested I opt for the
tapered fiberglass poles. !
Still trying to model or see why the insulated stinger at the top of
the tower has such a remarkable effect ?
Wayne W3EA
( I am sorry for the post, I am not able to get word wraparound to
function on this reflector ! )
Came out fine here.
> From: K8RI-on-TowerTalk@tm.net
> To: towertalk@contesting.com
> Date: Wed, 19 Dec 2012 08:52:36 -0500
> Subject: Re: [TowerTalk] Hi Gain Hi Tower ??
>
>
> Why not guy them with phillystran or poly rope?
>
> 73
>
> Roger K8RI
>
> ----------------------------------------
> From: "Wayne Kline" <w3ea@hotmail.com>
> Sent: Sunday, December 16, 2012 9:28 PM
> To: "towertalk@contesting.com" <towertalk@contesting.com>
> Subject: [TowerTalk] Hi Gain Hi Tower ??
>
> Hi fellow Tower Talkers.. . I built a 75/80 meter Four Sq, antenna
system
> many years ago. It was feed with an original DX eng. ( not the new Dx
eng
> co.) quadature. The Hi Gain Hi towers were stripped of everything and a
> center stinger was built and the system was resonantat 3.625 MHZ and
> the power dump at 3.500 was 70 watts and at 3.825 was 100 watts. I used
> the two insulators at the two stinger vertical element with a 14ga wire
> attached at it's bottom and travel down the inside of the 24ft base
tower
> attaching at the feed point. There are 108 evenly spaced 1/4 radials
under
> each antenna, with silver soldered connections at there interesting 8ga
> copper X and 9- 8 ft 5/8" ground rods. One at each tower base, one at
> the control box in the center of the array and 4 at the end of the
> centered X wire.I had a few 80 meter ops who felt that because I
insulated
> the top 38' stinger at the top of the tower resulting in a Shorter over
> hight antenna was a compromise. So I
> got in touch with tim K3LR knowing he also had a 75/80 meter 4 SQ mad
out
> of Hi-Gain Hi Towers, He sent me a rough dimension of his stinger out
the
> top of his Hi-Tower. I un insulated the stinger and built my elements
> and achieved resonance with an additional 9ft height.Well it seemed
My WX
> in eastern PA did not like the 48' stinger and I would loose one at
almost
> every Nor'easter Storm. SO I am thinking of going back to the
> original configuration with insulated top 2" tuber and the 14 ga wire
down
> the center of the tower to the base. Thought's out there Just kicking
> around ideas ? Wayne W3EA
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