They're shipping straight bolts now. I just received mine a couple of weeks
ago.
73
Gil, W1RG
----- Original Message -----
From: "Jim McDonald" <jim@n7us.net>
To: <towertalk@contesting.com>
Sent: Wednesday, February 01, 2006 11:31 AM
Subject: Re: [TowerTalk] LOOKING FOR A USED CRANK UP SELF
SUPPORTINGTUBULARTOWER
> Doesn't US Tower require J-bolts, rather than straight bolts?
>
>
> Jim N7US
>
>
>
>> I am looking for a used self supporting crank up tower to install at
>> a
> location in Nevada for contesting. I already have in place 10 cubic yards
> of steel reinforced concrete with 1 inch diameter by 36 inch long anchor
> bolts imbedded in the concrete. The anchor bolts are spaced 9 inches
> apart
> which will accommodate a US Tower tubular tower Model MA-770 with the
> MARB-770 free standing Rotor Base and the early Tristao 70 +/- foot crank
> up tubular towers.
>
>> Are there other towers which would accept an anchor bolt pattern of
>> four
> one
> inch diameter anchor bolts spaced 9 inches apart?
>
> Hiya, Ted --
>
> I wouldn't worry about the bolt pattern. The existing bolts can be
> chopped off with a hand grinder and then you can rent a drill with a
> concrete bit or a hammer drill to drill new holes. Epoxy in the new
> anchor
> bolts and you're good to go. Construction guys do this all the time and
> it
> works great. When you're done, the epoxy is typically stronger than the
> concrete.
>
> Cheers,
> Steve K7LXC
> TOWER TECH -
> Professional tower services for amateurs
> Cell: 206-890-4188
>
>
> _______________________________________________
>
>
>
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