Moineau Bottle Accessory Prototype

by graphicsforge, published

Moineau Bottle Accessory Prototype by graphicsforge May 5, 2013

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1594Views 468Downloads Found in 3D Printing Tests
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I wanted to transform used soda bottles into Moineau Pumps.... unfortunately, I couldn't quite pull it off so am shelving it for now until I can come up with a better solution.

Basically, the pump does not move enough volume upwards to outweigh the rate that water can seep through gaps between rotor and stator.

Applications of both silicone and plasti-dip® were attempted to increase the seal between rotor and stator, but both were stripped away in a relatively small number of rotations.


1) Drink a soda
2) Want to do something with the bottle
3) Fail

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Perhaps a slit along the contact area, with a strip of neoprene, or rubber squeegee (like windscreen wiper blade stuff) pushed into it?

yeah, if I try this style pump again, it'll be the maximum size of my printer, and probably made of a different material >_<

If you make it longer (more revolutions), there are more consecutive seals, which reduces leaking. If you combine that with a way to turn it quickly, it can definitely pump water (mine was just ABS).

Heh, I should known that you'd have all the answers and just asked for help!
Thanks, lemme give it a try!

If you learned something from the attempt then it is not a failure.