Each wind turbine has a buoyant trunk. The wind turbines are held together, to each other, by steel bars forming a rigid phalanx structure of wind turbines. The whole floating structure is firmly attached to the sea floor via cables. Similar to floating oil rigs firmly attached to the sea floor via cables. Floating offshore windfarms will supply energy to coastal communities.
I think they are quite sculptural, interesting and peaceful to watch turn. So they really turn fast enough to kill a bird? I suspect no more than big glass windows.
I'm not sure they are going to be able to put them far enough off shore to not be visible, transmitting power back to land would be some distance and water depth would be incredible.
Here is a photo of the Danish Hornsrev off-shore wind-farm, as it appears from the best vantage point on land (17 km distance, elevation
20 m).
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Looked at from this vantage point, the whole structure of the wind-turbines is visible (but by no means would it be fair to say the wind-farm dominates the sea view.)
Here is another photo from the beach, distance 25 km, from where 23 m of the turbines are below the horizon, and 87 meters visible above it:
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The Hornsrev wind farm is of capacity1 60MW and was built during summer
2002. More stuff about it here:
150 years ago the whole landscape of most European countries, was dotted with windmills. They were not a problem then, so why should they be one now. You see cattle grazing underneath them. They take up very little pasture land. They can even be made to look like old fashioned windmills if that is what people want.
150 years ago the whole landscape of most European countries, was dotted with windmills. They were not a problem then, so why should they be one now. You see cattle grazing underneath them. They take up very little pasture land. They can even be made to look like old fashioned windmills if that is what people want.
People don't know what they want... They complain about fossil fuel fired power plants and scream for "sustainable" alternatives. Sustainable alternatives come along and people whine about the "spoiled landscape" and some dead birds. Somebody will complain about whatever the alternative to windmills comes along. You can't make them happy.
Methinks most of these people would prefer we go back to living in caves and grubbing for berries that have fallen to the forest floor.
Ya know, I admit that it took me a while to notice that the first pic was of California. But the second is blatantly not of Europe or California... I think you should take the male optical illusion" test just to be sure your vision is OK.
Hibernia Oil platform (off coast of Newfoundland, the one the USAF wants to shoot a titan missile over), Mass= 1,200,000 tons ~ mass 12 CVN,s.
The displacement of Hibernia is about equal to all the USA's nuclear carriers combined.
In the 70's there were Global Security concerns (Global includes US and USSR national security) about putting reactors in India and Pakistan, canucks AECL went and subsidized them anyway, you know the rest.
At that time a viable was put forth, to maintain nuclear control but still electrify developing nations cheaply using nuclear power.
Ships in the >100,000 ton class, up to the
1,000,000 ton oil platform type rigs, specifically dedicated to be "portable nuclear generators" would be moored off shore and connected to the national grid by what is basically an extension cord.
There's no technical problem, USS Enterprise has numerous reactors operating without incident since
1960, lifespan 50 years.
It solves the NIMBY, solves the profliferation, solves the energy crunch, and can be removed if an emergency were to occur, and another subbed in, or the customer doesn't pay.
Most importantly, it doesn't harm birds:)
Why wasn't it done?
Try telling an influential and entrenched industry who knows how to put up concrete blocks on the ground that ship or sub based reactors really work. (Note the eyes glaze over look).
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