large propellers

  1. B

    Large heavy lifter multicopter, as cheap as possible

    Hi. I need a heavy lifter that can lift 10lb with a decent TWR for a few minutes, and I want to make it as cheap as possible within those constraints. I'm aware that cheap is relative and this will probably end up >1k on the low end. The entire purpose of this thing is to fly straight up, drop...
  2. T

    Giant Prop on Small Plane

    After watching countless hours of videos and listening to others complain that the noise is too much for the neighbors, I would really like to know what the ramifications are of putting a huge prop on a small plane. I am talking a prop with a diameter that is 40-50% the length of the wing...