Category Archives: water

Cool magnetic gear box

Posted on January 12, 2023 by robertwilkie

Clever build for a gear box with magnets. Could be useful for underwater robots for example. https://www.instructables.com/Magnetic-Gear-Box/

Posted in CNC/3D-printing, water | Comments Off on Cool magnetic gear box

Make a beer can steam engine

Posted on December 19, 2022 by robertwilkie

Nice build, not so sure how the author gets water into the can, but its a clever (and cheap) way to show steam power https://hackaday.com/2022/10/27/a-steam-engine-for-empty-beer-cans/

Posted in Cheap, Teaching and Learning, water | Comments Off on Make a beer can steam engine

Another mini boat build

Posted on November 25, 2021 by robertwilkie

I can’t remember if I mentioned this build before. They author sells it as a “kit” too. Its a nice looking build, still alot of work to make. https://www.instructables.com/Mini-Boat/

Posted in Cheap, Misc-Life, water, woodworking | Comments Off on Another mini boat build

Using broken drones to make a RC boat

Posted on October 18, 2021 by robertwilkie

The author took parts from broken drones and used them to make air boats. Good use of old parts. I like how he documented his progression in the design of this. https://www.instructables.com/Micro-FPV-Boat-From-Drone-Parts/

Posted in Cheap, Misc-Life, water | Comments Off on Using broken drones to make a RC boat

Cool robot that can swim, skate, and crawl

Posted on September 4, 2021 by robertwilkie

Came out in 2018, but still a neat robot to watch in action.

Posted in Misc-Life, robots, water | Comments Off on Cool robot that can swim, skate, and crawl

A robot with pool noodle wheels

Posted on August 29, 2021 by robertwilkie

Nice build, the author is using a lego robot set and a star shaped pool noodle for the wheels, which gives it some good traction, and allows it to float. https://www.instructables.com/Amphibious-Robots-Using-Pool-Noodle-Wheels/

Posted in Cheap, Misc-Life, water | Comments Off on A robot with pool noodle wheels

Nice 3D printed Hydroponic tower

Posted on August 26, 2021 by robertwilkie

Nice build. Not so sure I would do it myself, some of the Aerogarden clones are coming down alot in price and maybe an easier setup. https://www.instructables.com/DESKTOP-HYDROPONIC-TOWER/

Posted in CNC/3D-printing, Misc-Life, water | Comments Off on Nice 3D printed Hydroponic tower

Nice foot pump conversion to water pump

Posted on August 4, 2020 by robertwilkie

basically the author removed the air compression chamber, and put a water pump in its place. Me…not so sure I would do this, could take a bit of work to find a water pump that fits. https://www.instructables.com/id/Air-to-Water-Foot-Pump-Conversion/

Posted in Cheap, Misc-Life, water | Comments Off on Nice foot pump conversion to water pump

simple hands free wash

Posted on April 30, 2020 by robertwilkie

I got a kick out of this one. Uses an arduino as the controller. https://www.instructables.com/id/Automatic-Faucet-Touchless-Using-Arduino-Wash-Hand/

Posted in android, Cheap, Misc-Life, water | Comments Off on simple hands free wash

Using a magnetic coupling for a pump

Posted on April 7, 2020 by robertwilkie

Interesting build. The motor and the pump are not physically connected, but magnets on both parts are used to “turn” the pump with the motor. This is one way to eliminate the need to seal bearing or the motor when … Continue reading →

Posted in Misc-Life, robots, water | Comments Off on Using a magnetic coupling for a pump