[TowerTalk] Hi Gain Hi-Towers
n8de at thepoint.net
n8de at thepoint.net
Wed Dec 19 10:52:30 EST 2012
Wayne,
You could put the insulated guys up the 'stinger' about 15 feet above
the tower top. That should work.
73
Don
N8DE
Quoting Wayne Kline <w3ea at hotmail.com>:
>
>
>
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> Hi Roger
>
> The small 24' BX style towers are not the failure Point. it's
> the 44' stinger that's the area of failure !
> 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 ! )
>
>> From: K8RI-on-TowerTalk at tm.net
>> To: towertalk at 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 at hotmail.com>
>> Sent: Sunday, December 16, 2012 9:28 PM
>> To: "towertalk at contesting.com" <towertalk at 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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