[graffis-l] UNDERWATER TURBINES TO GENERATE POWER

[Guest guest]

At 08:34 AM 8/28/07, you wrote:

>1. Underwater Turbines Set To Generate Record Power

>Posted by: " Mark Graffis " mgraffis mgraffis

>Mon Aug 27, 2007 3:33 pm (PST)

>

>Here's a preview of the future. Twin underwater turbines are set to

>generate 1.2 megawatts of electricity off the coast of Northern Ireland by

>year's end. New Scientist reports how the world's largest tidal power

>project will use underwater turbines that look and work like wind power

>turbines, with blades up to 60 feet wide. Tidal currents will rotate the

>rotors at 10 to 20 revolutions per minute - a speed that Marine Current

>Turbines of the UK claims is too slow to affect marine life. The turbines

>will drive a gearbox that will drive an electric generator. The resulting

>electricity will be transmitted to the shore via an underwater cable.

>Eventually, MCT intends to build farms of turbines consisting of 10 to 20

>pairs each. . . This is intriguing, probably necessary, and will doubtless

>lead to some kind of negative environmental issue(s). Let's hope the Brits

>monitor the impacts of what sounds like a promising, hopefully

>sustainable, technology - one desperately needed on our tough road to a

>new energy econ

>http://www.motherjones.com/blue_marble_blog/archives/2007/08/5248_underwater_tu\

rb.html

>

 

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