Hand Crank Impeller Pump

A flexible impeller pump driven by a hand crank and planetary gears
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updated February 23, 2026

Description

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Flexible Impeller Pump driven by hand crank and planetary gearbox. The gears, impeller and bearing cover should be printed in TPU. Everything else in PLA. This print seals the impeller inside the housing. This is done by pausing the printer and placing the impeller inside before resuming.

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Creative Commons (4.0 International License)

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