[amsat-bb] Re: actuator

Jim Jerzycke kq6ea at pacbell.net
Mon May 28 10:20:34 PDT 2007

Hi, Bob
I had a setup back when we had AO-40 to play with that
used one for the elevation, and an old AR-33 for
azimuth, similar to what W0LMD has on his website.
It worked great, and had plenty of muscle to move my
1M dish around. The only elevation "feedback" I had
was looking at the dish and peaking the signal, but I
experimented a bit with using a pulse counter
connected to the reed switch/Hall Effect device that
was in the actuator.
I suspect you're right about adding that much load to
your existing setup. IIRC, the 5400 didn't have as
much torque on the azimuth motor as the 5500 does.
73, Jim  KQ6EA

--- w7lrd at comcast.net wrote:

> Hello
> Has anyone tried an actuator for an elevation?  I
> have checked out-
> http://www.qsl.net/sv1bsx/actuator/actuator.html
> I want to add a four foot primestar to what I
> already have (2M 70M and a 36x30 primestar dish. 
> With all this hardware I will be over working my
> g5400.  I would probably have to replace the split
> fiberglass boom with a longer metal one.  Then we
> get into the old metal vs insulated boom.I have some
> old 'C' band receivers that have actuator controls
> in them.
> --
> 73 Bob W7LRD 
> AMSAT member 28498 
> Seattle
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