Comment on "Efficiency: Perfect pitch UAVs and airboats lead to new propellers (at least some good from UAVs / Drones)"
...c-130 swings 4 very wide short blades per engine,no room to swing hugh single long prop. i agree plea...that are simple not doing much.on my soaring trike my 22 hp with single blade wooden prop produces al...Comment on "Safety- is it the PIC's responsibility alone or All of Ours?"
...pic with as many as 5 passengers some children on their first flights I would never endanger innocent passengers or people on the ground.now I fly single seat trike and I like it like...