Gemfan Floppy Proppy F4019 3-Blade Propeller (Set of 4 — 2CW+2CCW)

The Gemfan Floppy Proppy F4019 is a 4-inch, 3-blade folding propeller designed for compact FPV quads and ultra-light long-range builds. The folding blade mechanism allows the propeller to yield on impact, significantly reducing the chance of snapping a blade during crashes or rough landings. This foldable footprint also minimises the drone's overall profile, making it easier to pack in smaller bags for travel and field transport.

Key features

• Folding blade design prevents hub and blade breakage during impacts while saving storage space
• Low 1.9-inch pitch provides smooth throttle control and higher efficiency for long-range cruising
• Constructed from durable polycarbonate to resist bending and stress marks under load

Specifications

• Diameter: 4 inch (102.06 mm)
• Pitch: 1.9 inch
• Blades: 3
• Material: Polycarbonate (PC)
• Hub Thickness: 5.5 mm
• Mounting: 1.5 mm T-Mount
• Weight: 1.42 g

These propellers are ideal for sub-250g 4-inch explorers, foldable toothpicks, and cinematic micro drones, pairing perfectly with 1404 to 1505 stators.