[BC] Air-Dielectric Sections

[Gary Glaenzer]

We pulled a 7/8" and two 1/2" plus a 12-2WG Romex and 4 Cat-5's thru about
230 feet of 4" last summer

used a quart of Ideal Wire Pulling Lube, dumped about half down into the
first 90-degree sweep, then at about 120 of cable pulled dumped the rest in

we had two guys on the pull rope, I was feeding the cable up over my
shoulder and down into the vertical pipe in the floor of the building, and
had two guys dragging/feeding the cables to me

We had 90-degree 'long sweeps' at both ends, it wasn't too bad

The biggest problem I see with trying to pull 4" is that it's so damned
'unhandy' to work with (and heavy!)




----- Original Message ----- 
From: "Rob Atkinson" <ranchorobbo at hotmail.com>
To: <broadcast at radiolists.net>
Sent: Friday, March 09, 2007 12:43 PM
Subject: Re: [BC] Air-Dielectric Sections


> electricians use this lube stuff on wire to make pulling it easier--has
> anything like this ever been tried on feedline getting pulled through
> conduit?  Of course you'd have to insure that the lubricant doesn't harm
the
> feed jacket and you'd need a lot of it.
>
> rob atkinson
>
>
> From: "Gary Glaenzer" <gglaenzer at hqradio.com>
> Reply-To: Broadcasters' Mailing List <broadcast at radiolists.net>
> To: "Broadcasters' Mailing List" <broadcast at radiolists.net>
> Subject: Re: [BC] Air-Dielectric Sections
> Date: Fri, 9 Mar 2007 08:14:59 -0600
>
> Andrew;
>
> If it's a non-DA, there will be no 'phasor' as such, just an ATU at the
> antenna end.
>
> So 'velocity factor'  would not be a problem; even if it was different
from
> 3" to 4", which I'm not sure it would be.
>
> I'd bury it deeper than 3', unless you are in the South, and pulling 3"
> Heliax thru 6" conduit over 750 feet will be a cast-iron SOB.
>
> The advice on fiber duct has been educational, and I'd look into it if I
> were you.
>
> Gary
>
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