[TowerTalk] Dismantling an old 40m beam

[Dave Sublette]

Combining the pipe hitch/come-along method with heating is very effective.
I have done this.

K4TO

On Fri, Mar 6, 2020 at 11:48 AM Richard Smith <n6kt1 at sbcglobal.net> wrote:

>  A few years ago, I was dis-assembling a bunch of old aluminum elements
> that were VERY stuck together. I tried the recommended soaking in solvents
> and heating up parts. I didn't have much good results. YMMV of course.
> I tried something that has worked well for me, so I thought I'd pass it
> along. I use a come-a-long to pull them apart.
> I set up between 2 trees. I tie a Pipe Hitch to one of the tubes and tie
> the other side of this rope to one tree. With another rope, I tie a Pipe
> Hitch to the other tube, and put a loop in the other side of this rope. One
> side of the come-a-long hooks into this loop.
> The other side of the come-a-long is attached to the other tree. Take up
> on the come-a-long to tension the ropes. Continue increasing the tension
> with the come-a-long until the two tubes separate. Watch out, because the
> tubes can fly apart with a lot of force. Don't get your body in the way of
> a flying tube!
> This has always worked for me and the tubing is never damaged.
> Have fun and be careful!
> 73, Rich, N6KT
>
>     On Friday, March 6, 2020, 05:14:15 AM PST, Tom Hellem <
> tom.hellem at gmail.com> wrote:
>
>  Ignacy-
> Try heating the larger diameter tubing portion close to the joint while
> simultaneously cooling the smaller diameter portion which is telescoped
> inside of it.
>
> Tom H
> K0SN
>
> > On Mar 6, 2020, at 5:48 AM, Ignacy Misztal <no9e at arrl.net> wrote:
> >
> > I bought a 40m old beam that needs to be dismantled. With screws out the
> > elements do not move. Any idea what to do?
> >
> > Ignacy, NO9E
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