• unexposedhazard@discuss.tchncs.de
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      8 hours ago

      Its also just a bunch of thin layers of wood glued together, so recyclable is also kinda bullshit. Stronger that carbon fiber is also questionable. Garbage article in general, it doesnt touch on any of these points.

      • humanspiral@lemmy.ca
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        6 hours ago

        20% cheaper is probably not good enough for more than 20% less performance output. A heavy blade can stand up, but be less responsive to wind force. They can still be recyclable by melting the glue/veneering, or just made into particle/OSB board.

  • TheTechnician27@lemmy.world
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    12 hours ago

    So this “article” is just a regurgitation of a press release by the company making them. Cool. Cool, cool, cool.

  • SomeoneSomewhere@lemmy.nz
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    12 hours ago

    Intriguing, but I find this somewhat hard to believe.

    Glu-lam isn’t new technology.

    If you could achieve comparable strength: weight from timber as aluminium, GFRP, or CFRP, we’d see a high timber content in aircraft, instead of near zero.

    If they’re making the blades heavier to compensate, you get all kinds of runaway knock on effects. Blades are heavier, so need to be stronger, so need to be heavier… tower, bearings, foundations, mountings etc all need to be stronger.

    Sort of an xkcd 808 argument.

    • Dagnet@lemmy.world
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      7 hours ago

      With the right wood you can achieve similar levels of strength/weight with wood as aluminum, but the volume is much bigger, so you often only see small aircraft made of wood. However, there are multiple issues of working with wood, the grain can significantly alter it’s properties, only very specific species can be used, requires pieces to be glued together in a very specific manner and the process of validating it for aircraft use is very complicated as well.

      Source: studied airspace engineering

  • Swedneck@discuss.tchncs.de
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    10 hours ago

    i mean i could certainly see timber used in some capacity, it works in regular buildings after all, but i don’t see how it would make sense in the blades…

    • humanspiral@lemmy.ca
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      6 hours ago

      They do make wind turbine towers out of wood in many places. Transportation advantages to it. Weight is non issue.

      • Swedneck@discuss.tchncs.de
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        9 hours ago

        you do realize windmills and wind turbines are slightly different, right?
        you’re basically using a 2 story wood house to justify building a skyscraper out of wood, that’s obviously not how it works, did you even think about this for 5 seconds lol?

      • Miles O'Brien@startrek.website
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        9 hours ago

        Treated lumber is a thing, and in my experience it’s harder to light than carbon fiber and resin.

        My garage almost burned down once because I didn’t notice sparks from my angle grinder were pooling on a CF/R panel, and it set off a couple other things (paper towel bar, shop towel, solvent residue close to the towel) while I ran to the extinguisher.

        This “article” is just an ad, and shouldn’t exist without actual journalism going on, but let’s not pretend wood can’t be fire resistant.