Illinois Featured Content

  • Study tests rotary blade designs in quest for quieter copters, drones

    May 18, 2022 11:15 am by Debra Levy LarsonInnovation
    stock image of a helicopter flying near mountains. Image via Storyblocks

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    • stock image of a helicopter flying near mountains. Image via Storyblocks

    Researchers at  Illinois are testing the limits of rotary blade design to find an efficient, but quieter option for helicopters and drones. Noise is one of the key bottlenecks for the urban air mobility market.