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The gravitation water vortex power plant is a type of micro hydro power plant which is capable of producing energy using a low hydraulic head of 0.7–3 metres (2 ft 4 in–9 ft 10 in). The technology is based on a round basin with a central drain. Above the drain the water forms a stable line vortex which drives a water turbine.


Working Models Science Projects of Water Turbine There are lots of useful tips regarding your wood working ventures located at

from TreeHugger

Gravitational Vortex Power Plant is Safe for Fish

While trying to find a method for aerating water without energy input, Austrian engineer Franz Zotlöterer stumbled across the idea of a mini-power plant which is simple to construct and has a turbine efficiency of 80% but which is safe for fish due to

from Gizmodo

Drop This Underwater Turbine in Any River For Free Continuous Power

Drop This Underwater Turbine in Any River For Free Continuous Power ? Brilliant -- pinned using BrowserBliss


10 DIY Solar Heating Projects For Heating Your Home And Water Over Winter - Being able to produce your own heat in the winter can literally save you hundreds of dollars a month. If you are looking to be more self reliant then these 10 awesome DIY projects are definitely for you. How many people can say they produce their own heat and hot water for free. I don’t know anyone who does.