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Unread 21-01-2016, 01:11
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AKA: Paul Mangels
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Re: Gearing a Rotating Arm

Just a heads up, that speed sounds like it could be quite fast if you are looking to control the arm accurately, and you might want to play around with it a bit. I don't know the specifics of your mechanism, but you could probably mess with the chain reduction part of it to get it to a quick controllable speed in any case, and that would probably only require the minimal maintenance of changing sprockets. This is by no means a must-do, but it might be something you'd want to keep in mind.
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