Quote:
Originally Posted by Ether
?? Ri3D 1.0 has a ratcheting winch which can be programmed to stop at any point and be launched from there by disengaging the dog clutch.
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This is correct. Ri3D 1.0 actually ran an encoder on the cluster shaft. We accomplished this by drilling a .249 hole into 3/8" hex shaft and pressed in a dowel pin. We then mounted the encoder on an encoder block.
Before the ratcheting wrench was installed, the encoder provided the necessary feedback to hold the catapults position.
There MUST BE room for mistakes. That’s one of the best ways to learn. - Ken Leung [more] 
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