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Re: AM FP Gearbox...feedback?
As another option, depending on your arm's setup, can you add a counterweight or gas spring to help to offset the load of the arm? If you can design it in, you could potentially reduce the overall average load of the arm by a large amount. Just in my head, I'm imagining close to 30% of the arm's weight. With some clever counterweight/force work, perhaps with constant force springs, you could completely eliminate the weight of arm more or less, and leave your gearboxes to deal only with the acceleration of the arm.
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