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The Rotapult
This is the most demanding catapult machine design I've attempted, to date. That it works at all, much less very reliably, is fairly astonishing. For physics buffs, note that the throwing arm is aimed almost at a tangent to the circle of rotation. Very tricky! copyright ©2007 Bradley N. Litwin This video content is protected under US copyright law. If you want to use it, ask me first, plea
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