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Floating turbine towers above — the S1500 hovers to harvest wind at 131 feet (www.ecoticias.com)
submitted 8 months ago by to c/technology@lemmy.world
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The S1500 floating turbine’s operating altitude is 4,921 feet above ground level, where wind speed moves about three times faster than at the surface. The advantage of this altitude (also referred to as vertical slice) can result in a power output up to 27 times higher than a conventional ground-based wind turbine of similar capacity.

The capacity to generate one megawatt of electrical power (MW) with the S1500 system is comparable in size to what small wind power turbines normally generate (a conventional 328-foot-tall wind turbine), while the footprint of the S1500 system is significantly smaller. This amazing power density shows the efficiency benefits of being able to access high altitude wind power resources by new and innovative airborne platforms.

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[–] 25 points 8 months ago (9 children)

The wind at 32,000 ft is 200 times stronger than the wind at the surface?

Ummm... 10 knots * 200 = 2000 knots. I don't think so lol.

A lot of strange numbers in this article that bring its accuracy into question.

No mention of the weight of a 1 and 1/2 km wire that is also suitable to anchor this thing in place. Or are they going to float batteries and bring them down to discharge?

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  • [–] 25 points 8 months ago* (last edited 8 months ago) (1 child)

    Ummm… 10 knots * 200 = 2000 knots. I don’t think so lol.

    First of all, kinetic energy scales with the square of an objects velocity.

    Second, since we're talking about a continuous stream of fluid instead of a single object, increasing the air speed not only increases the enegy per unit mass of air, but also the number of units of air per second that pass through the turbine. Which means that the amount of energy extracted scales by the cube of the wind speed.

    https://kpenergy.in/blog/calculating-power-output-of-wind-turbines

    So, more like going from 10 knots to 60.

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  • [–] 8 points 8 months ago (3 children)

    they gonna use magsafe connectors for wireless transmission, duh.

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  • [–] 2 points 8 months ago (2 children)

    You’re starting to sound like a chatbot now, MagSafe connectors aren’t wireless. That’s the point!

    (I know you’re probably not a chatbot)

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  • [–] 1 point 8 months ago (1 child)

    what’s the magnet phone charger with no metal contacts called then?

    that’s what i meant…

    em dash em dash

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  • [–] 1 point 8 months ago

    Qi? Maybe Apple reused the term for the phone charger too, but it was originally for the MacBook pros, then later MacBook airs, and the whole line, besides an annoying usb c only model or two.

    That’s annoying as hell if they did that.

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