[TowerTalk] Tower design question

[Gary Schafer]

Weld up the splits if they are not too bad and you should be good to go?

73
Gary K4FMX

> -----Original Message-----
> From: towertalk-bounces at contesting.com [mailto:towertalk-
> bounces at contesting.com] On Behalf Of jeremy-ca
> Sent: Monday, July 02, 2007 8:58 PM
> To: 'K4SAV'; towertalk at contesting.com
> Subject: Re: [TowerTalk] Tower design question
> 
> I have a 5 section Heights I pulled out of the town dump about 20 years
> ago
> thinking I might make a 80M vertical out of it.. Every section was split
> from ice. So much for a stupid design!
> Now that aluminum scrap is up I'll take it to the scrap yard.
> 
> Carl
> KM1H
> 
> 
> 
> 
> ----- Original Message -----
> From: "Gary Schafer" <garyschafer at comcast.net>
> To: "'Roger (K8RI)'" <K8RI-on-TowerTalk at tm.net>; "'K4SAV'"
> <RadioIR at charter.net>; <towertalk at contesting.com>
> Sent: Monday, July 02, 2007 12:04 AM
> Subject: Re: [TowerTalk] Tower design question
> 
> 
> >I know of two manufacturers that do it "upside down". Heights is one and
> > there is another (can't recall the name)  that looks almost like it that
> > is
> > also upside down. They are aluminum towers and each section is tapered
> (so
> > you can't install them the wrong way) and the upper section joins the
> > lower
> > section by fitting inside of the lower part. It makes a nice funnel for
> > rain. I have one.
> >
> > 73
> > Gary  K4FMX
> >
> >> -----Original Message-----
> >> From: towertalk-bounces at contesting.com [mailto:towertalk-
> >> bounces at contesting.com] On Behalf Of Roger (K8RI)
> >> Sent: Friday, June 29, 2007 6:52 PM
> >> To: K4SAV; towertalk at contesting.com
> >> Subject: Re: [TowerTalk] Tower design question
> >>
> >>
> >>
> >>
> >> >I thought this was an interesting question, but no one tackled it
> except
> >> > for one guy who said that's the way it's done.  So is that really the
> >> > reason?
> >>
> >> I saw one answer that said that is *not* the way it is done.
> >> I have never seen a tower designed the way you describe. They are all
> the
> >> other way around. The larger tube or bell on on the upper section and
> >> sets
> >> down *over* the lower.  Small end should always point up with the next
> >> section setting down *over* it.
> >>
> >> That will still not keep water out of the legs except for rain.
> >> Atmospheric
> >> pressure changes be they barometric changes or due to temperature
> changes
> >> will cause water to condense inside the tower legs which is the reason
> >> for
> >> the bottom section setting in pea gravel or sand below the frost level
> so
> >> it
> >> can drain.
> >>
> >> Roger (K8RI)
> >>
> >> >
> >> > Floyd Rodgers wrote:
> >> >
> >> >>Something has been bothering me for a while. With all the discussion
> >> >>and
> >> >>problems with tower leg corrosion, filling with water and splitting,
> >> etc.
> >> >>Why do almost ALL the manufacturers design the joints to telescope
> >> inside
> >> >>from above which leaves water able to run inside joints and fill
> tubes?
> >> >>Why not simply invert the connection by telescoping over the bottom
> >> >>section so water just runs outside not through the joint. I know
> there
> >> is
> >> >>no difference in joint strength or assembly difficulty, so why?
> >> >>_______________________________________________
> >> >>
> >> >>
> >> >>
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> >> >>
> >> >>
> >> >
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