zhujzal's Gizmo Balloon

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zhujzal's Whirlygig hybrid perpetual flying machine

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zhujzal's UMPF Mini perpetual flying machine

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zhujzal's UMPF Micro perpetual flying machine

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zhujzal's Small wheel perpetual flight engine

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zhujzal's perpetual flight sky cruiser

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zhujzal's Big Wheel Perpetual Flight Engine #1

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zhujzal's Big Wheel Perpetual Flight Engine demo

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zhujzal's Wild Wagon w/ perpetual electric drive

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zhujzal's Stormcloud Helicopter (perpetual flight)

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zhujzal's Stormcloud Engine for perpetual flight

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