Only works if sway is fairly limited. Flexible trees combined with
winter winds that will be 30 - 60 mph constant with 5 - 30 second
"bursts" of up to 120mph... When they are directly along the line of
the antenna can be an issue unless you have a bungie that can extend > 10ft.
On 8/11/16 18:08, Richard (Rick) Karlquist wrote:
> Bungie cord is self damping.
> Put it in a PVC pipe so the
> sun doesn't damage it.
>
> Rick N6RK
>
> On 8/11/2016 7:06 PM, Mike Fahmie via TowerTalk wrote:
>> One can use a combination of the two to damp the response!
>> -Mike-
>>
>>
>> From: Gary <gary_mayfield@hotmail.com>
>> To: "towertalk@contesting.com" <towertalk@contesting.com>
>> Sent: Thursday, August 11, 2016 6:25 PM
>> Subject: Re: [TowerTalk] Weight on ends of a OCF diploe
>>
>> I saw an amazing thing once. The South Dakota breeze caused my weight to
>> head upward with some momentum. The antenna then went slack while the
>> weight was still moving upward. The wind caught the antenna tightening it
>> while the weight was headed back down literally causing a snapping sound
>> when the weight bounced. I'm sure it applied a great deal more instantaneous
>> force than the weight alone. The next morning the weight and antenna were on
>> the ground.
>>
>>
>> I replaced the weight with rubber 'bungee' tensioners, and it never failed
>> again. The sun eats up the tensioners so the need to be replaced
>> occasionally.
>>
>>
>> 73,
>>
>> Joe kk0sd
>>
>>
>> ________________________________
>> From: TowerTalk <towertalk-bounces@contesting.com> on behalf of Mike Fahmie
>> via TowerTalk <towertalk@contesting.com>
>> Sent: Thursday, August 11, 2016 6:47 PM
>> To: Towertalk Reflector
>> Subject: Re: [TowerTalk] Weight on ends of a OCF diploe
>>
>> I used a 50lb lump of granite, roughly one half cubic foot, of which there
>> is plenty up here. I set an anchor bolt in it. It was for a RG11 center
>> feed dipole with balun so more weight than an OCF dipole is needed.-Mike-
>>
>>
>> From: Russ Dearmore via TowerTalk <towertalk@contesting.com>
>> To: "towertalk@contesting.com" <towertalk@contesting.com>
>> Sent: Thursday, August 11, 2016 4:01 PM
>> Subject: Re: [TowerTalk] Weight on ends of a OCF diploe
>>
>> Chuck, This is a situation where whatever you have is probably a good
>> starting point. Ham's are known for collecting junk and one can get quite
>> artistic cleaning out ones garage. I use old style window weights but if
>> the XYL will let me get away with it, I might find an old radio chassis that
>> might do well also. Only a ham would think that to be artistic....... Hi
>> My Heroes Wear Combat Boots!
>>
>>
>> From: Chuck Gooden <Chuck.Gooden@comcast.net>
>> To: towertalk@contesting.com
>> Sent: Thursday, August 11, 2016 3:19 PM
>> Subject: Re: [TowerTalk] Weight on ends of a OCF diploe
>>
>>
>> Thanks for the replies to my question. Looks like 10-20 lbs should do
>> it at least as a starting point. This seems to confirm what I was
>> initially expecting.
>>
>> I have already thought of most of the other suggestions that were
>> offered. I would like to put something up initially that I am satisfied
>> with for a while. Possibly some dayi may replace my TV Tower with a
>> "real" tower.
>>
>> Sincerely,
>> Chuck Gooden N9QBT
>> _______________________________________________
>>
>>
>>
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>> Contesting<http://lists.contesting.com/mailman/listinfo/towertalk>
>> lists.contesting.com
>> TowerTalk is for discussion of tower and HF antenna construction topics. TT
>> members have lots of helpful information and are happy to share it.
>>
>>
>>
>>
>>
>>
>> _______________________________________________
>>
>>
>>
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>>
>>
>> _______________________________________________
>>
>>
>>
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>>
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>>
>> _______________________________________________
>>
>>
>>
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>>
> _______________________________________________
>
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>
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