And .. as I always add, when the "stuffing" is brought up .. think about
using OAKUM .. check here for some pix.. 73, Mark AA6DX
http://home.pacbell.net/aa6dx/oakum.html
----- Original Message -----
From: "WA2BPE" <wa2bpe@infoblvd.net>
To: "EUGENE SMAR" <ersmar@comcast.net>
Cc: "(Reflector) TowerTalk" <towertalk@contesting.com>; "Jerry Keller"
<k3bz@arrl.net>
Sent: Monday, August 04, 2003 7:31 PM
Subject: Re: [TowerTalk] Feedline in Conduit
> Another good way to provide drainage yet prevent critters from taking up
residence is to install a PVC "street tee" (use a reduction one if the main
conduit is large, e.g., 4" to 2") to
> drain into the gravel. To keep things out, stuff the drain side with
stainless steel wool - even bugs don't like to crawl thru that stuff!
>
> 73, Tom - WA2BPE
>
> EUGENE SMAR wrote:
>
> > Jerry:
> >
> > I would use solid conduit, with drain holes drilled in the
underside of
> > the plastic at the low points in the run. I would cover these holes
with
> > flower bed screening material (allows the water to drain out but not
in),
> > and fix the material in place with three or four pieces of insulated
solid
> > wire wrapped around the conduit.
> >
> > I would dig a small pit underneath the drain holes and fill the pit
> > with gravel to act as a drain field for any collected water. I
incorporated
> > each of the above items in my tower's conduit design and the cables all
seem
> > to be ok after two years underground.
> >
> > The average ham, I would bet, cannot seal conduits sufficiently
> > watertight to preclude the accumulation of some amount of water.
Therefore,
> > we have to deal with this reality and provide a means of eliminating the
> > water.
> >
> > 73 de
> > Gene Smar AD3F
> >
> > ----- Original Message -----
> > From: "Jerry Keller" <k3bz@arrl.net>
> > To: "(Reflector) TowerTalk" <towertalk@contesting.com>
> > Sent: Monday, August 04, 2003 8:44 PM
> > Subject: [TowerTalk] Feedline in Conduit
> >
> > > I'm getting ready to bury about 60 feet of PVC pipe in the backyard to
run
> > > my feedlines in. What's the best way?
> > > (1) PVC with drain holes in the bottom (a) laid on gravel bed (b) no
> > gravel
> > > bed needed
> > > (2) PVC with no drain holes... (a) sealed at both ends to keep out
water
> > > (b) terminated with an "upside-down J" arrangement to keep out water
> > >
> > > or something else entirely? Advice appreciated, Jerry K3BZ
> > >
> > > _______________________________________________
> > >
> > > See: http://www.mscomputer.com for "Self Supporting Towers",
"Wireless
> > Weather Stations", and lot's more. Call Toll Free, 1-800-333-9041 with
any
> > questions and ask for Sherman, W2FLA.
> > >
> > > _______________________________________________
> > > TowerTalk mailing list
> > > TowerTalk@contesting.com
> > > http://lists.contesting.com/mailman/listinfo/towertalk
> >
> > _______________________________________________
> >
> > See: http://www.mscomputer.com for "Self Supporting Towers", "Wireless
Weather Stations", and lot's more. Call Toll Free, 1-800-333-9041 with any
questions and ask for Sherman, W2FLA.
> >
> > _______________________________________________
> > TowerTalk mailing list
> > TowerTalk@contesting.com
> > http://lists.contesting.com/mailman/listinfo/towertalk
>
> _______________________________________________
>
> See: http://www.mscomputer.com for "Self Supporting Towers", "Wireless
Weather Stations", and lot's more. Call Toll Free, 1-800-333-9041 with any
questions and ask for Sherman, W2FLA.
>
> _______________________________________________
> TowerTalk mailing list
> TowerTalk@contesting.com
> http://lists.contesting.com/mailman/listinfo/towertalk
>
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