Water Wheel Prototype

19th century water power is alive and kicking!....er, spinning! My water powered biowheel* prototype is complete. Pumped water powers this overshot-style wheel (I'm not quite ready for the Pelton wheel yet), which turns two attached drums. The drums are wrapped with multiple layers of fiberglass screen to provide surface area for nitrifying bacteria to colonize. As the wheel rotates, the bacteria will get a consistent does of moisture and oxygen, which will hopefully lead to vigourous growth and biological filtration (converting fish waste to plant food). You can see a video of the wheel in action below.

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Now my wheel will go into test mode: I will fill the tank with fresh water and see if the wheel can provide enough biological filtration to effectively start up or cycle the tank.**

Friction was literally the biggest obstacle to getting the wheel moving. Specifically the wheel had to be able to overcome the resistance the tank water would put against the paddles. To combat this, I angled the paddles so they retain more water as they spin down and then release water as they start to spin upwards. Additionally, I just barely
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