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.
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).
Yaaay and the first cleared field was using one
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