For our robot (I will release it soon) we have an over-center knuckle locking mechanism so we can have an A-frame on the upper portion of the elevator. It is complicated, but it uses rubber bands to spring the elevator up, and the over-center mechanism keeps it up. As far as keeping the chain on the sprockets goes, we just put little guides for it, and that works pretty well.
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Me, still using sandstorm
There’s absolutely no shame in that. May I point out that a Sandstorm-like robot got 306 points before this new elevator (as far as I know).
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Yaaay and the first cleared field was using one
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