Re: [amsat-bb] 5400 Rotor Trouble - HELP

["Vince Fiscus, KB7ADL" <vlfiscus@xxxxxxx>]

Sounds like a bad position Pot.  I've never had my rotor apart so I can't
tell you what to watch out for when you dissasemble it.

At 03:49 PM 7/20/00 -0400, "Tim Pickett" <tsp@tds.net> wrote:
>Here is one for all the rotor pros. I have finally gotten around to putting
>the satellite beams back up after the move. Here is what happened with the
>5400 rotor. I fully checked out the rotor on the ground by connecting it up,
>and making sure everything turned good, and everything read good on the
>meters. Everything checked out great! That was yesterday, and now today I
>install the rotor system in the air, and the AZ is reading great, and
>working great. The EL rotor is turning fine, but now the meter shows 0 when
>it's down, and as you just start to come up the meter jumps to full scale. I
>have switched cables, and get the same thing. I have switched sides on the
>rotor control box putting EL on AZ side, and I still get same thing. The AZ
>works great on both sides AZ, and EL of the rotor control box. I have ruled
>out the cables, and the control box. It must be something with the EL rotor
>itself. The funny thing is it worked fine here on the ground, but just as I
>put it in the air it now doesn't meter correctly. Now what do I need to do
>to figure out what is wrong, and to fix the problem? I hope it's a simply
>fix without having to pull the rotor back down, but I never get anything
>that lucky. Thanks for all the help you guys can give me in tracking the
>problem down so that I can return to the air on the birds! 73...
>
>Tim Pickett KG8OC
>kg8oc@amsat.org http://www.qsl.net/kg8oc
>Michigan AMSAT Area Coordinator
>
>
>
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