Category Archives: water

Update to automous R/C boat

The author that build a floating auto tote, now updated to a more modern style (but still had issues). Interesting developing build with this author.

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Make a mini pocket pump

Nice build, pretty simple one too. This could be expanded upon for maybe a powered squirt gun. Thought I don’t know if it would have enough pressure behind it. https://www.instructables.com/id/Pocket-sized-Water-Pump/

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Someone has too much time on their hands

This is a self contained spitball gun. Load in water, toilet paper, and launch your spitballs. https://gizmodo.com/that-toilet-paper-spitball-blaster-gets-a-much-needed-r-1832239475

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Portable water pump

Interesting build. I like the use of pipe for the vanes of the pump. https://www.instructables.com/id/DIY-Cordless-Water-Pump/

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Hydrogen powered nerf gun

Interesting build, the authors took a nerf gun, added a hydrogen collector to it, and well…a rather explosive gun. Hydrogen Powered Nerf Blaster Is Dangerously Awesome

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Make a water bottle connector

I like this build, you can use it to make custom floaties, and quick robot builds (for water). https://www.instructables.com/id/Water-Bottle-Connector-Recycled-Building-System/

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Interesting solar heater

The author took the cooling grids off old fridges and combined a bunch together to heat up water.  That “heated” water then has a coil inside a water tank to transfer the heat too.  Which is a good idea since … Continue reading

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3D printed pump for NEMA based motors

Interesting pump build to use with a NEMA motor (typically stepper motors).  If you need some sort of pump that does measured amounts this could be the way to go. The Bolt-On Peristaltic Pump  

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Interesting build for a swamp cooler

Interesting how the author re-uses an old water cooled CPU for this build.  Seems to work OK too. https://www.instructables.com/id/How-to-Make-Air-Cooler-With-Cold-Water/

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Build yourself an underwater camera

The author uses an RPi Zero and its camera to build this.  Most of the cost is in the electronics since the rest is PVC pipe.  Its a nice looking build overall.  Author has the costs at $100 An Achievable … Continue reading

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