Electric leaf blowers are already far quieter than their gas-powered peers, but they still aren’t the kind of thing you’d like to hear first-thing on a Saturday morning. Looking to impr…
  • piecat@lemmy.worldEnglish
    0·
    6 months ago

    Based on how it works, (not how they say it works) you need a different geometry depending on the frequency. So it’s only going to work at select rpm.

    • piecat@lemmy.worldEnglish
      0·
      6 months ago

      It squashes the fundamental and certain harmonics and fractional harmonics.

      Since I probably won’t be able to patent the idea myself anymore, maybe I’ll publicly disclose.