Home SCIENCE How To Make a Hydraulic Water Ram Pump, Which Requires No Electricity...

How To Make a Hydraulic Water Ram Pump, Which Requires No Electricity & No Motor


This pump uses falling water to lift a lesser amount of water to a higher elevation than the source. So, being primarily used for lifting relatively small amount of water to a higher elevation.

    source/image: Junkyard – Origin of Creativity

If you want to deliver 2 cubic meter of water to an elevated location, you need at least 6 cubic meters of water to operate the pump 4 cubic meters of which will be used to drive the pump and goes directly as waste. The video below shows the impressive lift achieved just by tapping the kinetic energy of the incoming flow.

This version that Junkyard – Origin of Creativity built uses commonly available materials like PVC pipes and fittings. About the only things on the BOM that might be hard to scratch up are the brass check valves, which should probably be flap valves rather than the easier to find spring valves.


And the only custom part is an adapter to thread the plastic soda bottle that’s used as an air chamber to the PVC, which a 3D printer could take care of if you choose not to hack a bottle cap like Junkyard did.

VIAJunkyard - Origin of Creativity
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