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Message: <blockquote data-quote="Bohandas" data-source="post: 8002165" data-attributes="member: 7015707"><p>I just realized you can make an arguably much better perpetual engine with a couple of bags of holding and some lead shot. Each bag is held open in a tall enclosed chamber attached to a waterwheel-like device. The empty part of the chamber is big enough to hold 250lb of lead shot and the bag is positioned so as to be upright and at the bottom of the chamber when ascending but upturned and at the top of the chamber when descending. When a bag reaches the top and begins descending the lead shot pours out, causing the weight of that chamber to increase by 235 pounds. When that same chamber reaches the bottom, the lead shot pours back into the bag of holding, decreasing that chamber's weight. Therefore the descending side is always heavier than the ascending side and the wheel turns forever.</p></blockquote><p></p>