"Nowdays microcontrollers and sensors are growing rapidly. Not only in our hobby, but in everything. smartphone, self park car, self driving car, segway, etc. They are going cheap. I never image flying autonomously my RC Airplane 10 years ago! The…"
Better you use SW 1900 (fx series airfoil), higher lift capabilty so it can bring more battery amps. Do you mean endurance (90min) or Long distance? it's different terms in between. If you want to fly endurance choose high aspect ratio…"