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Re: NEED HELP ASAP! Climbing
There are several ways of doing this, one would be a ratchet and pawl mechanism: https://en.wikipedia.org/wiki/Ratchet_(device)
Another that is seen in FRC is a bike brake. This is a little more complicated, but a viable option.
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2009 FLL Illinois State Champions - iLEGO
2010 FLL Illinois State Champions - iLEGO
2011 FLL Illinois State 3rd Place - iLEGO
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2013 FRC Milwaukee Regional Champions - WildStang
2016 FRC Midwest Regional Finalists - WildStang
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