Efficiency between the two seems about the same to me. The biggest difference between the two is the thrust and vibrating. The tri-prop feels smoother and has about 20% more thrust. They seem to cruise at the same power for me.
Efficiency between the two seems about the same to me. The biggest difference between the two is the thrust and vibrating. The tri-prop feels smoother and has about 20% more thrust. They seem to cruise at the same power for me.