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Old May 04, 2003, 09:50 PM
gkamysz is offline
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Retract servos have a geneva mechanism that locks the servo into the end of it's travel. At this point the motor is turned off and you can not move the ouput arm regardless of how hard you try. The motor will not turn back on until it is commanded to go to the other extreme of travel. Retract servos are two position, 180 degree travel servos and have mechincal locks in these positions.

I don't think there are actually any retract servos that shut down after a given time period, not the one's I've played with anyhow.

Greg
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