Low pitch, bigger thrust than 2 blades
Low pitch, greater pull force than 2 blades
General advantages: Easy to carry and replace blades
Convenient to carry and replace the blades
Color: transparent gray, fluorescent yellow, milk white
Specification
Type (model) F4019
Blades (number of blades) 3
Material PC
Pitch (Pitch) 1.9in
Prop Disk Diameter 102.06mm
Center Thickness 5.5mm
Center Hole Inner diameter 1.5mm 3 holes
Weight / g (Weight/G) 2.11g