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Re: [TowerTalk] Glen Martain

To: "Roger (K8RI)" <tower@charter.net>,"Dave A" <davarc@premier1.net>, <towertalk@contesting.com>
Subject: Re: [TowerTalk] Glen Martain
From: w3yni@comcast.net (Charles L. Mills)
Date: Wed, 02 Feb 2005 20:03:56 +0000
List-post: <mailto:towertalk@contesting.com>
I ran into the same problem when I bought my Glenn Martin 5 years ago - I just 
bought one of the Yaesu one's and have had no problems ever since.


Chuck / W3YNI


> 
> 
> 
> 
> >I just bought me a roof top tower from Glen Martain. They are out of thrust 
> >bearings and wont have any for about 6-9 months can I use any thrust 
> >bearing?  Iam going to use a Yaseu rotor for a  4 element crush craft  or a 
> >3 element STEPPIR..
> 
> Yaesu makes a nice, but light duty thrust bearing.  I'd assume it'd be 
> adequate for what you describe.
> 
> >
> > DO I use one to match the rotor or the tower?  Iam confused
> > Dave
> 
> The rotor mounts down in the tower and the thrust bearing at the top.  It 
> takes the side thrust and eliminates the leverage (tipping moment) at the 
> rotor.  In some cases it helps to support the load, which you shouldn't be a 
> problem with a simple installation.  Some towers come with a pipe, or sleeve 
> at the top of the top section.  This serves as a good, simple, and effective 
> thrust bearing for most ham type installations.
> 
> Roger Halstead (K8RI & ARRL Life Member)
> N833R World's oldest Debonair
> www.rogerhalstead.com
> 
> > KA7RRA
> >
> >
> >
> > _______________________________________________
> >
> > 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
_______________________________________________

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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