04-28-2015, 01:44 PM
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no bag, vex only, final destination
AKA: Pinecone
 FRC #0228 (GUS Robotics); FRC #2170 (Titanium Tomahawks) Team Role: Mentor
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Join Date: Dec 2008
Rookie Year: 2006
Location: Glastonbury, CT
Posts: 7,589
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Re: Best Way to Launch unusual items?
When you're shooting a variety of various shaped items long distances, wheeled shooters aren't going to perform as well. Wheeled shooters as we know them in FRC work best with objects that can roll / spin - balls, frisbees, etc. We are abe to design such precise and repeatable wheeled shooters because we are shooting such an incredibly narrow range of items - a single game piece, with manufacturing tolerances being the only varying factor. Wheeled shooters also shoot multiple game pieces in quick succession really well, which doesn't seem like is needed here. Wheeled shooters are solving the wrong problem.
A catapult cares much less about the geometry of what is inside it - it brings itself and its object up to speed and stops at the angle producing the desired trajectory. Obviously this will have varying results with each game piece as well, but I think it's a better solution for the constraints at hand.
Take a look at what 16 did in 2012 as a starting point.
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College Mentor: 2791 (2010-2015)
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Student: 1714 (2009) - 2009 Minnesota 10,000 Lakes Regional Winners (with 2826, 2470)
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