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Two miles offshore of Fort Pierce, Fla., a pair of eight-foot-tall metal wings flap to and fro on the seabed, cradled by the ocean's swells.
This is not some underwater performance art. The point of the project is to demonstrate an alternative way to produce electricity that is clean, green and friendly to marine life.
The so-called Wing Waves work by tapping the elliptical motion of waves 30 feet to 60 feet beneath the surface and converting it into mechanical energy that can be used to generate power. Like offshore wind farms, the electricity produced at sea can be routed via cables
Construction has begun off Oregon on what would be the nation's first commercial wave-energy farm, said Sean O'Neill, president of the Ocean Renewable Energy Coalition, a Maryland-based trade association that promotes marine energy. It is planned to supply energy to about 400 homes.
"If it's done correctly, the wings should last 20 years, but you have to have constant servicing," Wood said.
Originally posted by Frogs
reply to post by sbctinfantry
I saw a short vid on tech like this some time ago and felt it had some of the best promise for "green energy". One of the added bonuses I see of this is that it is out of sight. Honestly, it seems like everyone says they want green energy - but they never want to see a solar panel or windmill.
One question - it mentions in the article that...
"If it's done correctly, the wings should last 20 years, but you have to have constant servicing," Wood said.
How much servicing are they talking about?
Also, how is the cost / benefit working out - how does the cost vs output of these compare to other energy sources.
I see where they actually attract fish. Heh - I'll be honest, "I'll be these also act as an artificial reef" was the first thought that came into my head when I saw the pic. Any trouble from fisherman's nets?
Originally posted by Frogs
reply to post by sbctinfantry
"If it's done correctly, the wings should last 20 years, but you have to have constant servicing," Wood said.
Originally posted by Asktheanimals
Great innovation! I could see this working in rivers as well.
Let's hope this makes a dent in the energy revolution.
Good on everyone involved with this project
edit on 24-12-2010 by Asktheanimals because: (no reason given)
Originally posted by TheLaughingGod
I've seen this idea before, in Sweden we've had this commercial playing the whole year:
Translation:
1993 Rauno Koivosaaru was hit by the cargo-hatch of a wreckage that was rocked back and forth by the waves on the bottom. He had an idea. Imagine if we could harness the energy of the waves. Rauno started working. Thousands of hours. The result became an energy plant on the bottom of the sea. Completely soundless and invisible. Come along on the hunt for the energy of the future.edit on 24-12-2010 by TheLaughingGod because: (no reason given)
Originally posted by Optix
reply to post by sbctinfantry
I work in hydraulics and he doesn't have to use petroleum based oils, vegetable oil would work.
I could see this application being used by the military, if they are on an island base and need energy for equipment.
edit on 25-12-2010 by Optix because: (no reason given)