Blow a mouse through the pipe. Large diameter pipe, I use a piece of
foam rubber or a partially inflated bread bag.
73,
-Adam
WJ4X
On 5/6/2012 5:48 PM, David Aslin wrote:
> Gerald's note prompts me to ask a related question:
> What techniques are folks using for the first pull through a conduit?
> Background: Like Gerald, I plan to have a 400ft+ run of 4 inch
> corrugated irrigation tubing. A 400ft fish tape would be hard to
> find/expensive, but I need to get a pull rope through the conduit before
> I can do the first cable pull (LDF5-50) How?
>
> 73
> David G3WGN WJ6O
>
> ------------------------------
> Date: Sun, 6 May 2012 15:13:42 -0300
> From: "VE1DT-Towertalk" <gboutin@seaside.ns.ca>
> Subject: [TowerTalk] Wire Soap - How Much?
> To: <towertalk@contesting.com>
> Message-ID: <001801cd2bb3$f96e2ce0$ec4a86a0$@seaside.ns.ca>
> Content-Type: text/plain; charset="us-ascii"
>
> I've no experience in running cables through conduit, but I do know that
> I want to use a cable lube. I can get Klein #15028 1 quart bottles
> locally, but I don't know how much I will need. Also, I know I don't
> want to run out part way. In browsing through the archives, the answer I
> keep seeing is "lots".
>
> In my case, I am using 4" diameter corrugated irrigation tubing for a
> couple of LMR600 cables, a couple rotator cables and a few CAT5 cables.
> Total
> length is 400 feet. Worst case would be the volume of the conduit.
> Using
> the formula, pi *r^2 *length tells me about 30 gallons. I am not
> planning on doing that.
>
> Polywater http://www.youtube.com/watch?v=kr87VQcJeK8 says to use this
> formula for PolywaterJ: Gallons = 0.0015 * Diameter(inches) *
> Length(feet).
> This comes out to 2.4 gallons. Using 1 quart bottles, this comes to
> about
> $150 here. Grainger also sells larger 1 gallon containers of 3M WL lube
> at about the same price as two of the Klein one quart squeeze bottles.
>
> Does 3 gallons sound about right?
>
> --
> Gerald Boutin, VE1DT
>
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