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Re: RS550 Enough Power?
Remember that electric motors don't like to be "stalled" (ie powered up at zero RPM). This is the condition that your arm or lift could be in if you want to use the motor to maintain the position of your arm. That is why I've always liked using worm drive motors like the window motors or the (long since departed from the KOP, but much loved) van door motors for these applications.
If you are going to be using your motor in a stalled condition, test it out and pay careful attention to the heat it produces. If it is getting too hot condsider a heat sink or adding a small fan (just zap tie it on) to get some air movement going.
Jason
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