Filed under: Household

As much as we prefer a good old-fashioned bird-killin’ three blade wind turbine, apparently they cause a bit too much vibration and disturbance for regular home use. That’s where the Energy Ball comes in, with its spherical shape that captures wind less obtrusively and yet more efficiently. At least that’s what we’re told, we’re a bit short on details. We do know that it’s in the prototype stages and was designed by Swedish company Home Energy, who claims their smallest Energy Ball can provide about 15% of the necessary energy to power the average Swedish home.

[Via Inhabitat]

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Filed under: Misc. Gadgets

Ever walk through Times Square and wonder how much electricity all those flashy billboards are soaking up? No? Well, Ricoh has, and now they’re doing something about it. Ricoh Company Ltd. of Tokyo is erecting a 47 x 126-foot billboard at Seventh Avenue and 42nd Street that will be completely powered by the sun and wind. Fueled by 45 solar panels and four wind turbines, the billboard won’t even need a backup electric generator. On days that the sun and wind aren’t enough to power it, it will simply go dark. In the end, the billboard is said to reduce carbon dioxide usage by 18 tons a year. The billboard will go live in December, or just in time for the sun to go dark.

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Filed under: Misc. Gadgets, Household

As wind energy becomes a practical necessity, designers are scrambling to make the giant spinny things as visually inoffensive as possible. Some are small, some are off in the sea where we can’t be bothered, and some just look really pretty. In this case, Broadstar AeroCam developed this handsome horizontal-axis turbine that can be installed in any number of configurations and shipped easier than other turbines, making it a viable solution for those who don’t want to erect a giant pole or get involved in construction. AeroCams work on the physics of air lift — like wings on a plane — resulting in a huge amount of power from a small package given the amount of blades per unit. Broadstar also brags that the system’s price is a boon as well — a 250kW system runs $250,000, which it says makes AeroCam the first wind power system to break the $1/watt cost barrier.

[Via Inhabitat]

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Filed under: Misc. Gadgets

We’ve seem some impressive wind power tech, but a new breed of small, high-power wind turbines could potentially bring efficient wind power home. Developed by an inventor named Doug Selsam, the new turbines have rotors just 14-18 inches in diameter, but can produce 200 watts in a 20MPH wind, and much more than that at higher wind speeds. The trick is using high-strength carbon-fiber materials that allow several rotors to be hooked up as one — in strong winds a thirteen-rotor system can produce enough juice to blow out a bank of car headlights “like flashbulbs.” That’s pretty impressive — especially since the system is light and balanced enough to be held up with one hand. No word on when or how we might see these hit the public, but we can see some pretty sweet applications — laptops in the park, anyone?

[Thanks, Yocheved]

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Filed under: Misc. Gadgets

We’ve already seen some wind turbines designed to float offshore, but Canadian startup Magenn Power has some ideas of its own for getting wind power off the ground and, judging by its latest tests, it seems to be making some considerable progress. Its solution, dubbed the Magenn Air Rotor System (or MARS), is designed to float between 600 and 1,000 feet above the ground, and spin on the horizontal axis to generate electricity, giving it a power capacity of anywhere from 10 kilowatts to several megawatts depending on the configuration. While they’ve apparently yet to extract any juice from it, the company has at least recently gotten a prototype off the ground at a massive airship testing facility in North Carolina, and it has apparently now set its sights on an outdoor test, although there’s no word as to when that might go down. What’s more, as Greentech Media reports, while the company apparently plans to first market a 100 kilowatt version for industrial use, it also hopes to eventually enter the consumer market with smaller models that people “can take camping or use at their cottage,” although it admits that prospect has been put on the backburner for now.

[Via Protein]

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Filed under: Misc. Gadgets

You know how we love wind turbines around here, but we love carnage even more — so we can’t get enough of this 200-foot tall Danish wind turbine shearing itself to bits after its brakes failed during a recent storm. The 10-year old windmill is the one of two different Vestas windmills to fail in Denmark in the past week — the company is launching an investigation, but might we suggest selling tickets instead?

[Via BoingBoing]

Continue reading Danish wind turbine eats itself

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Filed under: Misc. Gadgets

We’ve seen a couple innovative wind power solutions pop up, but none that claim to offer the benefits of maglev wind turbines, which use full-permanent magnets to nearly eliminate friction by “floating” the blades above the base. According to developers, the technology is capable of scaling to massive sizes, with a proposed $53M turbine able enough to replace 1000 traditional windmills and power 750 thousand homes. Additional benefits include the ability to generate power with winds as slow as three miles per hour, operational costs some 50 percent cheaper than windmills, and an estimated lifespan of 500 years. That all sounds great, but the real proof will come when these things get put to use, which may happen sooner than you’d think: Development is proceeding rapidly in both the US and China, with Chinese power company Zhongke Hengyuan Energy Technology currently building a $5M factory to produce the turbines in capacities from 400 to 5,000 watts.

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