I'm curious about this fear of 110(120v) on towers. I have done commercial
work on towers and as someone correctly stated, the lights are 120 minimum,
some 240v. Also, at K2GL's place back in the late 70's / early 80's, we
had a rotor for the 4 el KLM 80 @ 200' that was run on 240v. This thing
weighed in at 600lbs! Sheesh! What a job that was getting it up there!
It was built to fit into Rohn 80 and did. The rotor control box used a
beautiful selsyn operated indicator and huge open frame relays switching
the 240v. The mast in this rotor was 5"dia. 1/2 wall steel. I believe it
was really meant to turn military type log periodics.
The point is, 120 or any other voltage needs to be installed safely. On a
tower, that means in conduit with appropriate clamps. Either rigid steel
pipe (preferred) or with EMT and compression fittings to reduce water
problems and water resistant (outdoor) boxes and housings.
Bob Naumann N5NJ
> From: Chuck Dietz (KE5FI) <email@example.com>
> To: John D. Peters <firstname.lastname@example.org>
> Cc: Kris Mraz, N5KM <email@example.com>;
> Subject: Re: [TowerTalk] Garage door opener rotator
> Date: Thursday, April 10, 1997 05:33
> John D. Peters wrote:
> > Kris Mraz, N5KM wrote:
> > >
> > > I thought 110VAC on towers was a "no no".
> > > --
> > >
> > > 73
> > > Kris N5KM
> > > mailto: firstname.lastname@example.org
> > >
> > > --
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> > Why would "110V on a tower" be a no no?????
> > What possible reason would anyone cite for not using 110V on a tower?
> I agree... I will use a 440 volt motor on the 4 over 4 80 meter stack I
> am going to put up some day...
> Some day...
> Sure ur rite! I'll be electrocuted just THINKING about it!
> Chuck, KE5FI
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