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Unread 21-04-2016, 10:04
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Re: Are there any alternatives to an electric actuator?

Quote:
Originally Posted by BBray_T1296 View Post
It depends on the scale. I think it will be difficult to find an out-of-the box servo solution for a man sized sword swinging arm.
On the contrary, they do this all the time with industrial robots. These would not meet the "cheap" criteria.

I wonder if a sketch by the OP might generate more specific ideas. Springs/Rubber Bands might be able to store enough energy for a swinging motion with smaller motors.
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