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TEOMCROTE = TEOTWAWKI on steroids! The End Of Mankind's Current Reign Over The Earth takes into account that our ancestors were neither suicidal, stupid, nor our genetic inferiors but still wound up getting wiped off the Earth. Whereas CSER [cser.org: Centre for Study of Existential Risk] tries to PREVENT this dispensation from coming to an end, TEOMCROTE works from the eventuality/possibility/probability that the end our age takes place and what to do then

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wind


wind turbines
etc.

~rburmeister/[sign in to see URL]]Fisher & Paykel Smart Drive motors

anti-wind article: ]The Truth About Small Wind Turbines

Last edited by TheLivingShadow, 9/13/2011, 3:41 pm


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VAWT technology: vertical axis turbines


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In tests, VAWTs generate 21-47 watts of power by square meter of land area of the project, compared 2-3 watts for the HAWTs.

VAWTs are ideal, because they can be positioned very close to one another. This lets them capture nearly all of the energy of the blowing wind and even wind energy above the farm. Having every turbine turn in the opposite direction of its neighbors, also increases their efficiency, perhaps because the opposing spins decrease the drag on each turbine, allowing it to spin faster.

]read more


]read here debunking of advantages thereof

Last edited by TheLivingShadow, 8/31/2011, 9:33 am


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permanent magnet large turbines


]Here an interesting article on innovations in the area of large wind turbines.

A German company ]Enercon makes them, but the article points to another company (as replies to the article point out).

The replies under the article by some 'experts' on the subject matter are also worth viewing.

Can Wind Generate Electricity at $[sign in to see URL] per Kilowatt-Hour?
Is an environmentally friendly rare earth metal mined in California the key to making wind power cheaper than coal?
.
In the poker game being played for the future of the wind turbine’s drivetrain, VC NEA just told VC CMEA Capital they would see the $15.1 million round B on permanent magnet generator (PMG) specialist Danotek and raise with a $35 million bet on PMG innovator Boulder Wind Power.

As just reported by Greentech Media, PMG technology’s emerging inevitability as a replacement for the traditional gearbox in the turbine drivetrain was affirmed when CMEA Capital and three other heavyweight Danotek backers (GE Energy Financial Services, Khosla Ventures, and Statoil Hydro) re-upped funding to advance development of the company’s PMG converter system.

NEA, which had already invested $11 million in first round backing for Boulder Wind Power (BWP), joined with first-time investor and international rare earth metals powerhouse Molycorp in a second round of funding. This is a unique synchronicity because a PMG’s magnets require rare earth metals.

The Danotek high-speed PMG system’s attractiveness to investors is based on a uniquely efficient stator-rotor configuration, as well as its existing relationships with wind industry manufacturers and developers such as Clipper Windpower and DeWind.

The BWP low-speed PMG system’s attractiveness is based on an innovative PMG concept that gets away from expensive rare earth metals and creates efficiencies that BWP says can make wind power competitive with traditional sources of electricity generation without the need for incentives.

Based on the three key factors in the cost of wind -- the capital cost of the turbine; the production of energy; and the cost of operations and maintenance -- the BWP direct drive with its PMG can be expected, according to rigorous modeling, to keep the cost of wind generated electricity down in the four cents per kilowatt-hour range, according to Sandy Butterfield, the company’s CEO.

At that price, said Butterfield, formerly the Wind Technology Center Chief Engineer at the U.S. Department of Energy’s National Renewable Energy Laboratory (NREL), wind would be would be -- on an unsubsidized basis -- a more cost-effective source of electricity than coal.


]continue here

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other


]Startup Brings Revolutionary Change To Wind Power
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Breezergy


]Breezergy is the first affordable small wind turbine for everybody. Whereever you need energy for batteries, heating or even grid inverting you can harness the power of wind to generate free electricity. With our patented metal-blade technology Breezergy has revolutionized the way turbine blades are build.

Breezergy is a micro wind turbine with a rotor of just 6.2 ft diameter at a weight of only 66 lb allowing you to mount it anywhere you need energy. All components are build to last and utilize latest manufacturing technologies for best possible performance.
 
First off: the pricing. You just won´t find any turbine on the planet coming close to 549$ for 1,000 Watts power.

On the other hand we all know that the price is not the whole story - a turbine has to withstand storms time and time again, it has to cope with UV radiation and salt etc.. Now, while a colored plastic rotor and nacelle might be nice to look at for some time, they will embrittle and disintegrate over time. That´s why, unless someone wants to use expensive GRP/CRP parts, cast aluminium and metal parts fit best for a turbine that is really build to last. And this is exactly what Breezergy is made of: aluminum and steel.
 
When desigigning Breezergy we found that today windturbines are still way to expensive to find broad use. A typical small wind turbine today costs 2000+ $/kW!

With Breezergy this is going to change. Using proven technology, modern neodymium magnets and patented metal blades the Breezergy will come without expensive specials but provide the best possible quality and durability. A Breezergy will be available at 549$ excl. shipment and tax. A Breezergy will be affordable for everyone!


Last edited by TheLivingShadow, 8/29/2016, 6:45 pm


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