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[TowerTalk] Installing & de-Installing big Yagis

To: <towertalk@contesting.com>
Subject: [TowerTalk] Installing & de-Installing big Yagis
From: wx0b@arraysolutions.com (Jay, WX0B)
Date: Thu, 30 Apr 1998 18:00:50 -0500
Welcome back Bill.
Whats new, tell us all what your up to now?
Jay, WX0B

William H. Hein wrote:
> 
> I had to take down a VERY HEAVY full-size DX Engineering 4-L 40m Yagi in
> Colorado last week.  Cheapest option was hiring a helicopter (at around
> $500/hour) to pluck the Yagi from its 200 foot perch and lay it on the
> ground.   Total cost (including yanking another rather large Yagi from a
> different 200 foot tower and the time for the helicopter to fly from
> Montrose to Tiffany and back) was around $2k.  A crane would have run me
> well over $5k.  If the helicopter had been based in Durango, 20 miles
> away, total tab would have been under $1k.
> 
> Bill AA6TT
> 
> -----
> William H. Hein, Restless Records, a Regency Enterprises company
> 1616 Vista Del Mar Avenue, Hollywood CA 90028-6420 U.S.A.
> tel (213) 957-4357  fax (213) 957-4355  mob (213) 305-7157
> http://www.restless.com  billh@restless.com
> 
> > -----Original Message-----
> > From: Dale Jones K5MM [SMTP:ddjones@nas.com]
> > Sent: Thursday, April 30, 1998 1:20 PM
> > To:   towertalk@contesting.com
> > Subject:      [TowerTalk] Installing & de-Installing big Yagis
> >
> >
> >  To 'some' towertalky-uns  ---(Those that are interested)
> >
> >  The note below is an edited version of a private note that K6KM
> >  sent to me (K5MM) this morning.  It refers to removing a 3-element
> >  Force 12 40 meter yagi from an 80+ foot Rohn 45 tower. (He lives
> >  on a very big hill)
> >
> >  He and I had discussed the options available to remove that antenna
> >  from the tower.  The antenna needed some work done to it, and Bill
> >  wanted to put this yagi on a different tower.
> >
> >  Amongst the options considered were the high tramline, removing
> >  the driven element and 'wiggling' the remains down through the
> >  two sets of guy wires, removing all the guy wires from one side
> >  of the tower and dropping it down via a pulley rig, throwing the
> >  whole freaking thing down on the ground/guy wires and forgetting
> >  it, using dynamite, etc.
> >
> >  I visited Bill over the weekend of WPX-SSB, and we had good
> > intentions
> >  to get that antenna down.  Intentions were defeated by other fish to
> >  fry, resting, sleeping, laziness, and no visible & easy solution for
> >  2 old guys that came quickly to mind.
> >
> >  That left him to do the work by himself.  The solution below was a
> >  creation out of Bill's own brain......and as I've advised him, it
> >  must have come from some of the brilliance I've taught him over the
> >  years.......hee hee.
> >
> >  Nevertheless, I felt the idea he came up with was pretty nifty,
> >  and that it ought to be shared with this reflector.  No doubt others
> >  have thought of this over the years, and moreover we know our good
> >  buddy N4AR has done considerable work by himself on his own numerous
> >  towrs with big antennas:  I just haven't seen much written about
> >  how to do this stuff by oneself.
> >
> >  Read on, and any questions should be sent to:
> >
> >                     Bill Snider, K6KM
> >                     k6km@cncnet.com
> >
> >
> >  73 & GL
> >  Dale  K5MM
> > ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
> > ++
> > >At 05:00 PM 4/29/98 K6KM wrote to K5MM
> > >
> > >At last!
> > >
> > >The 3 el 40 is completely on the ground, and the rotating
> > >dipole is up in its place. I was too pooped to rig a balun and
> > >feedline, then tune the dipole. Another day.
> > >
> > > A light bulb lit on Monday (regarding the 40 mtr beam on
> > > the Rohn 45 tower with 2 sets of guy wires) and here's what
> > > I did.
> > >
> > > I installed another guy bracket just one foot below the
> > > top guy bracket on the Rohn 45 tower that has the 3-element 40
> > > meter beam on it. I jury-rigged one (new) guy wire on the new
> > > bracket, on the side of the tower where the antenna boom would
> > > be lowered.
> > >
> > > Then I removed the original top guy, lowered the antenna  down
> > > to just above this new temporary temp guy, reinstalled the top
> > > guy and removed the tempotary guy.
> > >
> > > Then I lowered the antenna to the lower guy position of the tower,
> > > removed the lower guy, dropped the antenna a few feet and
> > > re-installed the original lower guy.
> > >
> > > This required a pulley up on the tower mast, of course; the rigging
> > > took an hour or two but the lowering only took about 45 minutes.
> > > The fortunate issue here is that it is 'do-able' by one non
> > > teenaged person.  {ed. note:  Bill celebrates 50 years of being
> > > being legally on the air next year!!)
> > >
> > > I'm pooped and sore.
> > >
> > > 73 de Bill
> >
> >  Not bad for an OF!!...k5mm
> >
> >
> > --
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> 
> --
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-- 
+-----------------+---------------------------------------------+
| ARRAY SOLUTIONS | Jay Terleski email: wx0b@arraysolutions.com |
|    WX0B         |              http://www.arraysolutions.com  |
+-----------------+---------------------------------------------+

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