[BC] 1000 foot tower for a dollar!

[Mike McCarthy]

It is possible to have a combination.  We have a 700 ft. G-5 which is solid 
leg for the bottom 500 ft. and tubular the top 200 ft.  Granted, this was a 
sectionalized tower.  But it's not THAT uncommon if the engineering 
supports the use of tube/pipe versus solid.

Also, Rohn 90 tower is tubular and is rated for something more than 1000 ft.

IIRC, the reason tubing fell out of favor was the fact the difference 
between tube and solid leg was it was more costly to use XXS pipe than to 
simply go with a smaller solid rod.  2nd, it was the wind load created by 
the wider pipe.

MM

At 10:39 AM 8/3/2006 -0400, Cowboy wrote
>On Thursday 03 August 2006 10:21 am, Rob Atkinson wrote:
>
> > was surprised to read that the legs were tube and not solid.  thought 
> such a
> > tall tower would have solid legs.
>
>  I saw that, too.
>  I'd be real surprised if they really are tube.
>  Most likely, he's mistaken.
>
>--
>Cowboy
>
>
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