----- Original Message -----
From: <K7LXC@aol.com>
To: <towertalk@contesting.com>; <EZRhino@fastmovers.biz>
Sent: Monday, 16 May, 2011 1:05 PM
Subject: Re: [TowerTalk] concrete bases for freestanding towers
>
> In a message dated 5/14/2011 1:54:49 P.M. Pacific Daylight Time,
> towertalk-request@contesting.com writes:
>
>> He had 53 feet of Rohn 45, house bracketed at 10'. He had a 3'x3'x3'
> concrete base, and two C3's and a shorty fourty on top. No guys. A
> microburst wind took it all down, which actually upturned the concrete
> base along
> with it.
>
>> Now I don't think I would categorize this as a base failure, as a
> single set (or two) of guys would likely have prevented this.
> >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>
> I'll bet he didn't follow the LXC Prime Directive to "DO what the
> manufacturer says." Current Ron specs allow less than 20 feet of height
> above
> the housebracket. Regardless, a microburst can be real nasty.
>
> Cheers,
> Steve K7LXC
> TOWER TECH
> >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>
I wouldn't even want to climb 43 feet of unguyed Rohn 45 (53feet -10
feet). At 33 feet above the guy wires the thing is swinging around too
much.for me
Mark N1UK
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