[TowerTalk] Tower Base JA style

[Kelly Taylor]

Wow. Now how many here have a base like that? There is probably less
concrete under Bill Gates' house.

It does seem, however, to be a lot of tower for what looks like not a lot of
antenna. Then again, who knows what his wind rating is?

73, kelly
ve4xt

----- Original Message ----- 
From: <NPAlex at aol.com>
To: <towertalk at contesting.com>
Sent: Sunday, October 08, 2006 6:25 AM
Subject: [TowerTalk] Tower Base JA style


> Lately there has been discussion of tower  bases and installations as in
> Greg's message below, and I am also in the process of relocating a tower
with the
> attendant problems of digging the hole, stabilizing the hole (sandy soil),
> rebar framing and finally pouring the concrete.
>
> I thought that was a lot of work and expense until I ran across the
following
> series of pictures of a Japenese ham's tower installation.  Suke JM7OLW
must
> have one of the most expensive tower support systems ever constructed.
Take a
> look at his site - http://www.geocities.jp/jm7olw_suke/KT35SR.html  Albeit
it
> is a big tower, that is a lot of concrete work.  He also has an
outstanding
> signal on 40m CW most mornings.
>
> Regards,
> Norm W4QN
> ===============================================
>
> Message: 8
> Date: Sat, 7 Oct 2006 17:19:48 -0700
> From: "AB7R" <ab7r at cablespeed.com>
> Subject: [TowerTalk] Tower base advise
> To: <towertalk at contesting.com>
> Message-ID: <NPEPLDGLIFKDGPHGAGOMMEHJEOAA.ab7r at cablespeed.com>
> Content-Type: text/plain;    charset="iso-8859-1"
>
>
> Not sure if I over did this or not.  My neighbor brought his backhoe over
> this afternoon to dig the foundation for my HG-70HD tower and raising
> fixture.
>
> The specs only call for a 4x4x8 hole.  While we did not quite hit 8ft (a
bit
> over 7 in the middle), the dimensions came to 6.5 x 6.5.  Thats 270 cubic
ft
> vice 128.  Is the slightly shallower depth going to make a big difference?
> I attached a couple pics.
>
> I hope to schedule the concrete pour for this week.  4000 psi and gonna
have
> it poured pretty wet.  Do I need to get one of those vibrating things or
is
> pouring it wet sufficient?
>
>
> Thanks
> Greg
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