Air raid sirens have an important job to do, and have been a critical piece of public safety infrastructure in times of geopolitical turmoil. They sound quite unlike anything else, by virtue of the…
  • TacoNotEnglish
    5·
    1 month ago

    To spin the rotor, Mark used a powerful brushless motor controlled by a common hobby speed controller

    I don’t know. The article might contain information like that.

    • Altima NEO@lemmy.zipEnglish
      3·
      1 month ago

      Yeah but why would you want to use a tiny brushless motor when you can use a hemi V8 diesel?

      • TacoNotEnglish
        2·
        1 month ago

        I mean, more power is always better