[Antennas] Stainless Steel Conduits

Sat Mar 14 11:59:13 EDT 2015

Bravo Mike & Chuck!

Copper is much easier to use, too, but be careful of soldering fumes, get a
3M OSHA breathing mask, be safer.

Some injuries take a half century to manifest, be careful.

David N1EA
 On Mar 14, 2015 11:38 AM, "Michael Zolno" <luv.myipad3 at me.com> wrote:

> Chuck,
>
> I would have said yes until I attended a welding school (lincoln elec) for
> fun after my retirement. After the school, definitely with Rick in this,
> really bad fumes come from galvanized metals. Even worse is the fellow that
> tries to use carb cleaner or some other similar product to pre-clean
> chemically (turpentine, spirits, kero, etc vs soap and water or brushing
> action with assorted metal brush and or grinding. Those have their
> application but not as a welding or brazing (read any heat or flame
> scenario following application). That said, even grinding produces
> particulates I wouldn't have thought twice about breathing in years ago.
> Watch those sparks fly. Carb cleaner and the like allow a deadly fume that
> causes an incurable disease where the name escapes me. Was told at school
> that even the home welder must comply with fume hazards and maintain a fume
> extraction system, hence all the major mfg's now offer relatively low cost
> machines for home use ($400-500). I say relative
>  as I don't know what a new set of lungs cost, though my guess a lot more.
> Just bad stuff. A quick google of welding brazing fume hazards and safety
> standards/practices will likely reveal most of this with relative ease. GL
> and keep us posted. Folks will don a set of safety glasses and hearing
> protection quicker than a $15 3M OSHA certified filtered breathing mask
> available at HD or Lowes. I don't want to speak to what I've done in the
> garage, welding, grinding, fabricating, etc without a thought to what would
> go wrong 30 years ago
>
> Mike WH6YH
>
> Sent from my iPad
>
> > On Mar 14, 2015, at 11:00 AM, antennas-request at mailman.qth.net wrote
>
> >> On 3/13/2015 9:22 PM, charles berry via Antennas wrote:
> >> You are probably right that I am looking at Galvanized Steel Conduit.
> There was a time in my life that purchasing copper in any lengths was a
> non-issue.  My circumstances have changed and this conduit at 12? ? a foot
> allows me to continue building my own antennas thus keeping my mind and
> hands busy.  Like the man said, 'Idle hands are the Devils workshop.  That
> being said,
> >>    - If this steel conduit offers more resistance, do I shorten
> radiators to compensate?
> >
> > Again, velocity factor is not a function of what kind of conductor you
> use
> >
> >
> >>    - Can this conduit be soldered with small propane torches?
> >
> > Soldering or welding galvanized material is a hazardous operation.
> > The fact that you ask this question probably indicates "don't
> > try this at home kids".
> >
> >> I'm not trying to obtain World Peace, I just want to stay in the game
> building antennas.
> >> Thanks,Chuckn7chs
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