Drax,
Thanks for the info. I had thought of hardline but didnt think it would be
possible with the coiling as the
tower retracts. I would need two runs going up the tower. Approx how big are
the loops that are formed ?
Bob
K6UJ
> On Jul 31, 2015, at 8:24 PM, Drax Felton <draxfelton@gmail.com> wrote:
>
> I do this with 1/2 hardline runs. I wound a helix of steel rope around the
> bundle and let it take the weight and cinch on the cables all the way down.
> Lowering the 90 tower just causes the hardline to form big loops on the
> ground.
> Tie down a length of it to an arm at the top so the cable connectors don't
> flex and its held away from the tower.
> Then use a turnbuckle on the steel rope at the bottom to keep it from
> swinging in the wind.
>
>
> Sent from Outlook
>
>
>
>
> On Fri, Jul 31, 2015 at 5:43 PM -0700, "Robert Harmon" <k6uj@pacbell.net>
> wrote:
>
>
>
>
>
>
>
>
>
>
>
> I have a 380 foot coax run to the top section of my motorized tower when it
> is fully extended.
>
> I am changing out all my old RG213 and thinking of saving a few db by going
> to LMR600 up to the top section then
> LMR400UF up from there for the rotor loop and up to the 40 meter beam and
> triband/warc beam on the mast.
> What do you think of LMR600 for this run from the shack up to the top section
> for a motorized tower ?
> When I lower the tower I am thinking I could coil the LMR600 into maybe 5
> foot diameter coils on the ground.
> BTW the tower is 90 feet to the top of the top section when all the way up.
> Is this a bad idea ? (I am hoping to avoid the cost of the flex LMR600UF if
> I can.)
> A side issue is I understand I have to be very careful not to nick the copper
> clad on the center conductor
> when installing a connector on the non flex LMR600. I would use the Davis
> PL259 connectors for LMR600. Anyway maybe this usage of the
> LMR600 is not a good idea, what do you think ?
>
> Bob
> K6UJ
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