Ford Peterson
> There is NOTHING that can't be repaired ...Hi Hi...
> Reinforced with steel plate and LARGER BOLT holes....
> My tower isn't a ROHN but I used 3/4 bolts in the base of Mine. If they
can
> be done up tight ..... they shouldn't wear... I haven't actually seen the
> base of a ROHN tower though...
> 73
> Lee VK2LEE
> http://www.qsl.net/vk2lee
> http://wwwqrz.com/vk2lee/
>
> ----- Original Message -----
> From: "Guy Olinger, K2AV" <k2av@contesting.com>
> To: "Ford Peterson" <ford@cmgate.com>; <Towertalk@contesting.com>
> Sent: Tuesday, May 28, 2002 8:38 AM
> Subject: Re: [Towertalk] Rohn tip-over base failed
>
>
> > I wouldn't fix it. It's complained to you loud and clear about the
> > overload. I'd call it "weakened".
> >
> > 73, Guy.
> >
> > ----- Original Message -----
> > From: "Ford Peterson" <ford@cmgate.com>
> > To: <Towertalk@contesting.com>
> > Sent: Monday, May 27, 2002 3:35 PM
> > Subject: [Towertalk] Rohn tip-over base failed
> >
> >
> > > A few weeks ago, my 68' tiltover tower failed in a huge wind from a
> > > microburst that came through. One guy failed and the tower was
> > helpless
> > > against 100+MPH winds. I was disassembling the base section today
> > and
> > > discovered something very interesting.
> > >
> > > For the last few years, I have been perplexed by the need to forever
> > be
> > > tightening up the guys. All the guys would loosen about the same so
> > the
> > > conclusion I came to was that the base itself was sinking in the
> > moist loam
> > > each spring.
> > >
> > > What I discovered today is that the tip-over base section (Rohn's)
> > had been
> > > overloaded by the weight of the tilt-over with all the hardware. If
> > you
> > > have never seen the swivels on a tip-over base, they are single 3/8"
> > > diameter bolts pinned through the 25G type base section tubing. The
> > whole
> > > weight of the tower rests on a single set of 3/8" bolts. The holes
> > in the
> > > base section tubes were elongated downward by about 3/16" in only a
> > few
> > > short years. All three legs were worn about the same.
> > >
> > > I thought Towertalkians might want to know this so that you can run
> > out and
> > > check your hinged base bolts.
> > >
> > > Now, on to how to fix this base so I can use it again...
> > >
> > > Ford-N0FP
> > > ford@cmgate.com
> > >
> > > _______________________________________________
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> > > Towertalk@contesting.com
> > > http://lists.contesting.com/mailman/listinfo/towertalk
> > >
> >
> >
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>
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