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Re: [TowerTalk] Mast material

To: <towertalk@contesting.com>
Subject: Re: [TowerTalk] Mast material
From: "VeeAthreePL @ CUIC . CA" <va3pl@cuic.ca>
Date: Wed, 26 May 2004 22:47:47 -0400
List-post: <mailto:towertalk@contesting.com>
Try and ask steel dealer for tube/pipe made of 4130 material
Andy - va3pl

----- Original Message -----
From: <K7LXC@aol.com>
To: <ab2os@att.net>; <towertalk@contesting.com>
Sent: Wednesday, May 26, 2004 10:26 PM
Subject: Re: [TowerTalk] Mast material


> In a message dated 5/26/04 7:14:29 PM Pacific Daylight Time, ab2os@att.net
> writes:
>
> > The chrome-moly tube that is sold specifically for masts is horrendously
> >  expensive,
>
>     Yes, it's an investment-quality piece of steel but if it's what you
need,
> you gotta have it. My own experience is that most guys that buy chromoly
> really don't need it. I've   bought some steel alloy tubing that's 74% as
strong
> (good for about 90% of the applications out there) as 115kpsi chromoly and
> costs half as much.
>
> >  and one of the hams around here decided to use well-casing,
> >  which was far cheaper. Was that a false ecomomy?
>
>     Isn't well casing just another pipe to carry liquids? They're heavy
and
> not strong basically. What is the yield strength of the well casing and
what
> sort of load is it carrying? Maybe he just didn't need much of a mast.
>
> >  What do I really need
> >  to support a 3-el. SteppIR (the other guy had a lot more antenna than
> >  that on his well casing) less than 10ft. above the top of the tower?
>
>     A 3L SteppIR is a pretty small antenna but without knowing your county
> windspeed rating it'd be hard to say. Your rating is available on  <A
> HREF="http://www.championradio.com";>www.championradio.com</A> under Tech
Notes if you
> don't know.
>
> Cheers,
> Steve     K7LXC
> Champion Radio Products
> 888-833-3104
> _______________________________________________
>
> 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.

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