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[TowerTalk] mechanical construction of 80m vertical

To: <>
Subject: [TowerTalk] mechanical construction of 80m vertical
From: (Jim W7RY)
Date: Fri Mar 21 19:01:07 2003
A plastic vertical ?

Hmmmm... What were you going to use for a radiator ? Put a piece of wire
inside of it?

The "weld" of PVC conduit is stronger than the pipe itself. It makes the 2
pieces of plastic pipe 1. The US has been using plastic PVC gray conduit for
years!.... Great stuff!

Good luck!
Jim W7RY

----- Original Message -----
From: "Chris BONDE" <>
To: "Jim Hill" <>
Cc: <>
Sent: Friday, March 21, 2003 3:43 PM
Subject: RE: [TowerTalk] mechanical construction of 80m vertical

> I have been unable to find a supplier of irrigation tubing within a
> reasonable distance.
> The other metal tubing that I have been trying to find out more about,
> in some cases have found that they are good but expensive, are;
> conduit used for the stack, ie that part above the roof line ($$$$$),
> industrial grade top rails for chainlink fencing, looks good but shipping
> the problem for me 20ft lengthas about CA$30 a length, the last was custom
> automobile exhaust tubing, comes in various sizes, can be welded together
> or flared.  Should be galvo on the inside as well.
> The other one that took my notice was the new plastic electric
> conduit.  Have to use the large diameter to obtain wall thickness and
> use the coupling, use a length of the main pipe as a splice or spint over
> the joint.  I was wondering about plastic welding, is that as strong as
> main pipe as it is in steel pipe welding?
> Chris opr VE7HCB
> At 02:45 PM 2003-03-21 -0800, Jim Hill wrote:
> >Finding tubing isn't easy.  I've stopped at a number of businesses in
> >farming areas with little luck. plastic tubing seems to be currently
> >However, the following store in Bakersfield CA  is a good choice:
> >
> >The Irrigation Store, 4001 State Road, Bakersfield, CA 93303  661-4421 or
> >800-742-7246. Their web site is:  Their web
> >site shows tubing with end connections, but I thought I saw just plain
> >pipe when I visited them.  The web site also shows stores at other
> >
> >73's Jim
> >_______________________________________________
> >
> >See:  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
> >
> >
> _______________________________________________
> See:  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

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