• givesomefucks@lemmy.world
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    4 months ago

    Lol:

    The new YASA axial flux motor weighs just 28 pounds, or about the same as a small dog.

    However, it delivers a jaw-dropping 750 kilowatts of power, which is the equivalent of 1,005 horsepower.

    I feel like we’d need peak horsepower output of a small dog to truly understand this.

    • thefactremains@lemmy.world
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      4 months ago

      A dog’s power output comes from its muscle mass, which for a healthy dog is about 45% of its total body weight. This gives our 28-pound dog roughly 12.57 lbs (or 5.7 kg) of muscle.

      Studies of animal muscle show that the peak power output of vertebrate muscle tissue during a short, explosive burst (like a jump or the start of a sprint) is around 100 to 200 watts per kilogram of muscle.

      Now we can estimate the dog’s peak power:

      • Low estimate: 5.7 kg of muscle x 100 W/kg = 570 watts
      • High estimate: 5.7 kg of muscle x 200 W/kg = 1140 watts

      Converting these figures to horsepower (1 horsepower = 746 watts):

      • Low estimate: 570 W / 746 ≈ 0.76 horsepower
      • High estimate: 1140 W / 746 ≈ 1.5 horsepower

      So, a small 28-pound dog might be able to generate a peak power of around 0.75 to 1.5 horsepower for a very brief moment.

      So this YASA motor is somewhere between 670 and 1,340 times more powerful than the dog it’s being compared to in weight. That’s some jaw-dropping power output.

          • givesomefucks@lemmy.world
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            4 months ago

            Stop burning the planet down to generate social media comments

            I mean, I thought it would be obvious my issue was with using AI to do so…

            Even if it had been a serious question.

            But, to be fair I was thinking of what a normal.person would be able to parse, and not people who’s critical thinking had already atrophied from offloading to AI.

            They probably don’t have any idea what I meant and would need it explicitly spelled out.

            • thefactremains@lemmy.world
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              4 months ago

              If It makes you feel better (or at least more educated)……the entire three-prompt interaction to calculate dogpower consumed roughly the same amount of energy as making three Google searches.

              A single Google search uses about 0.3 watt-hours (Wh) of energy. A typical AI chat query with a modern model uses a similar amount, roughly 0.2 to 0.34 Wh. Therefore, my dogpower curiosity discussion used approximately 0.9 Wh in total.

              For context, this is less energy than an LED lightbulb consumes in a few minutes. While older AI models were significantly more energy-intensive (sometimes using 10 times more power than a search) the latest versions have become nearly as efficient for common tasks.

              For even more context, It would take approximately 9 Lemmy comments to equal the energy consumed by my 3-prompt dogpower calculation discussion.