Physics geniuses come in here

Pre-College Issues High School Life
1

<p>We are considering using this design for our trebuchet (pretty frikken cool):</p>

<p><a href="http://www.physics.ohio-state.edu/%7Edurkin/treb2.htm%5B/url%5D"&gt;http://www.physics.ohio-state.edu/~durkin/treb2.htm&lt;/a&gt;&lt;/p>

<p><a href="http://www.physics.ohio-state.edu/%7Edurkin/catapult.htm%5B/url%5D"&gt;http://www.physics.ohio-state.edu/~durkin/catapult.htm&lt;/a&gt;&lt;/p>

<p>Can anyone tell me the optimum amount of rotations, arm length, and wheel radii? </p>

<p>My AP physics friends and I have no idea...</p>