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Re: [TowerTalk] Rotor Selection Advice Wanted - Heavy Duty

To: "Stone, Gary R." <Gary.Stone@va.gov>
Subject: Re: [TowerTalk] Rotor Selection Advice Wanted - Heavy Duty
From: "Rick Karlquist" <richard@karlquist.com>
Reply-to: richard@karlquist.com
Date: Mon, 8 Jan 2007 10:21:12 -0800 (PST)
List-post: <mailto:towertalk@contesting.com>
I have a MonstIR that I am putting on an HDX5106.  I am going
to use the M2 rotator that I got with the tower.  If it breaks,
I am going to replace it with a prop pitch.  The ProSisTel will
not fit into my tower.  Probably not even a 689.  Neither will
the large Alfa Spid, and the smaller one is not strong enough.
AFAIK, there are no other alternatives, unless you want to mount
a ProSisTel or large Alfa on top of the tower.  Then the rotor
has to take all that extra stress, or you have to build a superstructure
on top of the tower with a bearing above the rotor.

Rick N6RK





Stone, Gary R. wrote:
> Hi,
>
> I have the ProSisTel, the model (number escapes me - but it is the one
> rated for 39 sq feet).  I have been happy with it for the time I have

> WARC7 about 12 feet about the Optibeam).  I would not (personally)
> recommend the M2 Orion rotator (went thru 3 of them).
>
> Gary Stone, N5PHT
>

> I have a Steppir Monstir antenna (Love it by the way).
>
> It has a Wind Surface Area of 23.9 square feet.

>
> The rotor will be mounted in a US Towers 589 or 689 as soon as I can
> purchase a used one (any leads on this would also be appreciated!).
>
> 73,
>
> Bill Erickson
>
> N6MXU
> _______________________________________________



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