[TowerTalk] Rotor Selection Advice Wanted - Heavy Duty

[Stone, Gary R.]

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
had it in service - but that is only about 6 months or so - don't have
the data in front of me.  But it is appears to be built well.  I did not
like the way you had to assemble the connector that attaches to the
rotator box (but that is just my fat fingers).  The connections inside
the rotator (of the rotator cable) caused me some problems - there are
very small brass nuts that holds it in place.  But, all in all it seems
quite robust and I have no idea if it will fit your tower but you could
check the Array Solutions for specs.  

I am turning about 32 sq. foot of antenna (Optibeam OB17-4 and Force 12
WARC7 about 12 feet about the Optibeam).  I would not (personally)
recommend the M2 Orion rotator (went thru 3 of them).  

Gary Stone, N5PHT



-----Original Message-----
From: towertalk-bounces at contesting.com
[mailto:towertalk-bounces at contesting.com] On Behalf Of el34guy at aol.com
Sent: Monday, January 08, 2007 10:47 AM
To: ericksonw at gmail.com; towertalk at contesting.com
Subject: Re: [TowerTalk] Rotor Selection Advice Wanted - Heavy Duty

Hi Bill,

Im running the alfaspid in my LM470 crankup, fits nice and works 
perfect, its turning a Hygain 205ca. Im also using another alfaspid(on 
a free standing tower) to turn about the same size antenna you have 
there. Your most limiting factor for the rotor selection will be the 
width spacing at the rotor plate on the 589 or 689 tower. I wished I 
had your antenna, hihi...

73

Mark
W0NCL

-----Original Message-----
From: ericksonw at gmail.com
To: towertalk at contesting.com
Sent: Mon, 8 Jan 2007 10:21 AM
Subject: [TowerTalk] Rotor Selection Advice Wanted - Heavy Duty

Hello Tower Talkers:

I have a Steppir Monstir antenna (Love it by the way).

It has a Wind Surface Area of 23.9 square feet.

I am currently using a hy-gain TailTwister rotor (rated at 20 square 
feet).

I would like to replace the TailTwister rotor with one that has ample 
design
margin.

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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