[Towertalk] Disassembling Al elements

[Barry]

Like, True North, every subject comes around again sooner or later :.)

The best material I've seen and used, which works on rusty bolts also, 
is Kroil. One can will last forever. Take a look at 
http://www.kanolabs.com/ for details.
73,
Barry, W2UP (just a satisfied customer, no affiliation with Kano Labs)


On 24 Dec 2002 Paul Playford wrote:

> I tried a torch once.  Didn't work but WD-40 did.
> 
> de Paul, W8AEF
> 
> ----- Original Message -----
> From: "Michael Tope" <W4EF@dellroy.com>
> To: <ValErwin@aol.com>; <jeff.kashinsky@cingular.com>;
> <towertalk@contesting.com>
> Sent: Tuesday, December 24, 2002 5:32 PM
> Subject: Re: [Towertalk] Disassembling Al elements
> 
> 
> >
> > > NOTE:  You may find in this step that you may also have to heat up the
> > larger
> > > diameter tubing just a little bit with a propane torch for real sticky'
> > > situations. Once hot, another hit or two in the vise will do the trick!
> > Don't
> > > worry, the heat will heat up the outer tubing at a greater rate than the
> > > inner tube, if the heat is applied cautiously back/forth.  You don't
> have
> > to
> > > get the tubing too hot for this to work. I use common leather work
> gloves
> > to
> > > handle the tubing to prevent burns.  (I only resort to heat when the
> > > heat-less method fails!)
> > >
> > I am not a metallurgist, but I would be careful about getting the tubing
> too
> > hot as you might weaken the alloy (others more knowledgeable in this
> > area might want to comment). I would guess that moderate heat (under
> > 100 deg C) should be fine. I would keep the torch moving back
> > and forth quickly so as not to create any "hot spots" that might turn
> > into failure points later on.
> >
> > Good Luck!
> >
> > Mike,
> > W4EF...................................................................
> >
> >
> >
> >
> > _______________________________________________
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> 
> _______________________________________________
> AN Wireless Self Supporting Towers at discounted prices, 
> See http://www.mscomputer.com 
> 
> Wireless Weather Stations now $349.95. Call Toll Free, 
> 888-333-9041 for additional information.
> _______________________________________________
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--
Barry Kutner, W2UP              Internet: w2up@mindspring.com
Newtown, PA                     Frankford Radio Club