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Unread 13-02-2014, 13:32
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Re: Throwing Problems/Motors

Quote:
Originally Posted by John View Post
A 24 m/s shot at 45 degrees would travel over 96 feet (neglecting air resistance), or almost twice the length of the field. You don't need anywhere near that speed.
96 feet to the apex, which is 48 feet above the launch point

183 feet to 10 feet above the launch point.


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Unread 18-02-2014, 14:30
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Re: Throwing Problems/Motors

So because of physical limitations with the perimeter, we haven't been able to change our pulley size and ratio. However we have played with our gear ratios to see if that makes our shooter effective. We actually had started at the 5:95 ratio so we went to 8, and then 12. an 8.45 ratio allowed us to be able to clear the truss and high goal, but very terribly(a foot and a half away max, only cleared high goal once, truss multiple times). We are now considering changing the pulley ratio during the pause break, but wondering what numbers we must crunch to solve which gear ratio and pulley ratio we need. do we need a 5.95 gear ratio with a 5:1 pulley ratio, or a 8.45 gear with a 1.8 pulley ratio. My question is, aren't we just lacking enough energy to throw the ball, as torque and speed are inverses for gear reduction ratios. Or does changing the pulley ratio change the amount of energy we are throwing the ball with? Please help as we are frustrated and significantly confused as what to do and what is our problem
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