quiet drone

  1. N

    Are quieter props available for P4?

    Are there any P4 props designed primarily for lower noise operation? It's possible to make props with 3, 4, or 5 blades, like many full-size helicopters. With extra blades, more thrust/lift can be produced at the same RPM, or the blade length can be shortened, reducing the prop tip speed and...
  2. johnnyu

    Quieter opertation tips anyone?

    Nothing is more reassuring than to hear the P3 returning home......BUT...is anyone employing any quieting techniques? and if so.... what....?