[amsat-bb] Re: G5500 az rotor repair

David Palmer KB5WIA kb5wia at amsat.org
Sun Mar 4 16:39:18 PST 2012


Hi Ken,

Yes, that green to black value of 2.5 sounds suspicious - the two winding
halves should have pretty similar resistances.  If the brake is okay,
likely the motor is shorted, unfortunately.

Dave

On Mar 4, 2012 3:52 PM, "Ken Swaggart" <k.swaggart at charter.net> wrote:
>
> Dave,
> Thanks for the info!  I still need to check that brake. Suspect I put it
back together wrong.
>
> My resistance readings are:
> Red to black = 3.7 Ohms
> Green to black = 2.5 Ohms
> Total series = 6 Ohms
>
> Guess those values are “close enough”? Worried about that green to black
value.
>
> Tnx,
> Ken


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