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Re: [TowerTalk] rotor comparisions

To: N2TK@arrl.net
Subject: Re: [TowerTalk] rotor comparisions
From: k2qmf@juno.com
Date: Fri, 26 Mar 2004 15:14:36 -0500
List-post: <mailto:towertalk@contesting.com>
Hi Tony,

I don't know about the older version however,
the new or-2800 is very easy to program...

73,  Ted  K2QMF

On Fri, 26 Mar 2004 13:33:33 -0500 "N2TK" <tony.kaz@verizon.net> writes:
> Did M2 ever do anything about the awkward programming of the control 
> box. It
> just didn't seem simple to change direction when I operated a 
> several year
> old 2800. This unit made you read the manual on changing direction.
> N2TK, Tony
> 
> -----Original Message-----
> From: towertalk-bounces@contesting.com
> [mailto:towertalk-bounces@contesting.com]On Behalf Of 
> k2qmf@juno.com
> Sent: Friday, March 26, 2004 11:01 AM
> To: tower@rogerhalstead.com
> Cc: k9kl@direcway.com; TowerTalk@contesting.com
> Subject: Re: [TowerTalk] rotor comparisions
> 
> 
> The M2 OR-2800 is a great rotator.
> Just Check the specs.  Also, service from
> M2 is outstanding...
> 
> 73,  Ted  K2QMF
> 
> P.S. - Make sure you get the new version with the
>           green readouts..   Has all the updates.
> 
> 
> On Thu, 25 Mar 2004 22:09:55 -0500 "Tower (K8RI)"
> <tower@rogerhalstead.com> writes:
> >
> > Oops... You also asked why.
> >
> > The PST-61 is rugged, requires no brake and has no play.
> >
> > The HDR 300 requires a brake, the brake switching is really odd 
> ball
> > in that
> > you have to manually turn off the brake and then turn the 
> antenna.
> > The
> > output shaft turns relatively easy with the brake off.  Turning 
> the
> > brake
> > off in high winds means the antennas are going to weather vane
> > "right now".
> > Then at the least you have to dismantle the rotor and get it back
> > between
> > the limit switches.
> >
> >
> > > Which is better and why?M2 2800 or whatever they call it
> > now,Prosisteil
> > > PST-61 or Hy-Gain HDR-300.Looking for a stout rotor to turn 
> some
> > big
> > stacks
> > > of uhf beams in a high wind area.I have a PST-51 up there now 
> but
> > I keep
> > > shearing off the "pin" bolt and I don't want to put a bigger 
> one
> > in and
> > then
> > > break the rotor.Plus I think the bolts that hold the rotor 
> plate
> > to the
> > > rotor are getting stretched which means it can turn 20 dergrees 
> or
> > so back
> >
> > Fix the bolts and you won't be shearing off the other bolt.  
> Those
> > rotor
> > plate bolts have to be solid.  Mine is keyed and bolted to the 
> shaft
> > with 4
> > bolts in the plate.  Any play in the system puts a tremendous 
> load
> > on not
> > only the rotor, but the whole tower when it comes up against the
> > stop.
> >
> > I have on the order of 300# worth of masting plus a TH-5 at 100
> > feet, 7L C3i
> > at 115 feet, and 2 11-L  440s  and 2 12-L 144s on a 14 foot cross
> > boom at
> > 130 feet.  70 MPH plus winds a couple weeks back caused the mast 
> to
> > slip
> > about 10 degrees in the mount, but nothing broke. I just have to 
> go
> > back up
> > and realign things.
> >
> >
> > > and forth and then that puts a lot of torque on the "pin" bolt 
> and
> > then
> > ping
> > > it breaks.The "pin" bolt is grade 5 3/8*4 with a grade 5 cap
> > screw.It does
> > > indeed break as to just getting lose and then fall off.  Gregg
> > K9KL
> >
> > It only takes a few degrees of play to shear bolts in winds far 
> less
> > than
> > the system design.
> > I had mine shear off some 5/16 ths stainless pins in the mast.
> > Reamed the
> > holes and put in 3/8ths (tight fit).  I think I got those sizes
> > right.  I
> > haven't been up there since late last Summer.
> > >
> >
> > Roger Halstead (K8RI, EN73 & ARRL Life Member)
> > N833R, World's Oldest Debonair (S# CD-2)
> > www.rogerhalstead.com
> > >
> > > _______________________________________________
> > >
> > > See: http://www.mscomputer.com  for "Self Supporting Towers",
> > "Wireless
> > Weather Stations", and lot's more.  Call Toll Free, 
> 1-800-333-9041
> > with any
> > questions and ask for Sherman, W2FLA.
> > >
> > > _______________________________________________
> > > TowerTalk mailing list
> > > TowerTalk@contesting.com
> > > http://lists.contesting.com/mailman/listinfo/towertalk
> > >
> >
> >
> > _______________________________________________
> >
> > See: http://www.mscomputer.com  for "Self Supporting Towers",
> > "Wireless Weather Stations", and lot's more.  Call Toll Free,
> > 1-800-333-9041 with any questions and ask for Sherman, W2FLA.
> >
> > _______________________________________________
> > TowerTalk mailing list
> > TowerTalk@contesting.com
> > http://lists.contesting.com/mailman/listinfo/towertalk
> >
> >
> 
> ________________________________________________________________
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> _______________________________________________
> 
> See: http://www.mscomputer.com  for "Self Supporting Towers", 
> "Wireless
> Weather Stations", and lot's more.  Call Toll Free, 1-800-333-9041 
> with any
> questions and ask for Sherman, W2FLA.
> 
> _______________________________________________
> TowerTalk mailing list
> TowerTalk@contesting.com
> http://lists.contesting.com/mailman/listinfo/towertalk
> 
> 
> 
> 

________________________________________________________________
The best thing to hit the Internet in years - Juno SpeedBand!
Surf the Web up to FIVE TIMES FASTER!
Only $14.95/ month - visit www.juno.com to sign up today!
_______________________________________________

See: http://www.mscomputer.com  for "Self Supporting Towers", "Wireless Weather 
Stations", and lot's more.  Call Toll Free, 1-800-333-9041 with any questions 
and ask for Sherman, W2FLA.

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