For the rope over the tree, find a good, marine grade pulley of the correct
size for the rope. Rope on the end of the antenna goes through the pulley to a
weight (Bucket of rocks?). Tree moves, rope in tree doesn’t.
Sent from my iPad
> On Apr 19, 2019, at 08:04, N4ZR <n4zr@comcast.net> wrote:
>
> I have been using big box store "parachute cord" for antennas, but have found
> it quite fragile in real life - for example, the center support of my
> Carolina Windom came down within 2 weeks of my installing with with a
> tennis-ball launcher. It was held up by a 70-foot pine tree, and my guess is
> that either the wind caused it to be over-stressed or chafing against
> branches caused it to fail.
>
> Has anyone had experience - good bad, or otherwise - with the Mastrant rope
> sold by a number of ham radio suppliers? Any other suggestions for support
> that may be more durable? I'm willing to go to bigger rope if that would
> help - Mastrant quotes working strength of up to 900 pounds, but I don't know
> how resistant their rope is to chafing.
>
> --
>
> 73, Pete N4ZR
> Check out the Reverse Beacon Network
> at <http://reversebeacon.net>, now
> spotting RTTY activity worldwide.
> For spots, please use your favorite
> "retail" DX cluster.
>
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