V2 Tri-Loop or Tri-Blade Toroidal Propellers for FPV Drone Quadcopter Cinewhoop

2 inch 25 inch 3 inch 35 inch 4 inch 5 inch 5mm Shaft 5mm T Mount 5mm T-Mount 6 inch diy drone fpv mit prop propeller prototype Quadcopter STRIKING FPV STRIKING FPV RD t mount t-mount toroidal TRI-BLADE Tri-Toroidal Triblade