I used old garage door springs. I contacted a few garage door repair/install
companies and they were happy to let me have a few old springs they had in
their truck. I look for those that have more "give" and not the "tight"
ones. Worked well for me on several applications of wires in trees.
73 Bill K3SV
----- Original Message -----
From: "John King" <k5pgw@yahoo.com>
To: <towertalk@contesting.com>
Sent: Monday, January 26, 2009 11:30 PM
Subject: [TowerTalk] Springs for erecting loops nd dipoles
> Has anyone found an appropriate spring for protecting dipoles when the
> supports such as trees sway? Maybe a name hardware supplier has such a
> spring?
>
> I am going to use Dacron with a strength of about 750 lbs, to suspend the
> wire antennas, and would like to be able to pull the vertical loop and
> dipoles strung between trees taunt and at the same time protect the
> antennas from breakage. I am sure the rope is much stronger than the
> copper wire that will be used.
>
> The spring must be strong enough to hold the antenna taunt YET give enough
> to protect the antenna.
>
> I am going to use old water hose on the Dacron where it goes over the
> limbs to prevent scuff damage to the Dacron. Also, I like the idea of
> using a weight on the tail of the Dacron near the earth to allow movement
> of the trees without breaking the Dacron. The weight can be judiciously
> selected to keep the antenna taunt and still provide give for the line.
>
> Your suggestions will be appreciated. 73, John, K5PGW
>
>
>
> _______________________________________________
>
>
>
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