[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>:

>
>
>
>
>
>
> 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
>> _______________________________________________
>>
>> _______________________________________________
>> TowerTalk mailing list
>> TowerTalk at contesting.com
>> http://lists.contesting.com/mailman/listinfo/towertalk
>>
>> _______________________________________________
>>
>>
>>
>> _______________________________________________
>> TowerTalk mailing list
>> TowerTalk at contesting.com
>> http://lists.contesting.com/mailman/listinfo/towertalk
>
> _______________________________________________
>
>
>
> _______________________________________________
> TowerTalk mailing list
> TowerTalk at contesting.com
> http://lists.contesting.com/mailman/listinfo/towertalk
>





More information about the TowerTalk mailing list