Gemfan 1220-4 propellers combine a 31mm diameter with a 4-blade layout for compatible micro FPV whoop builds. Made from PC (polycarbonate), they are supplied as an 8-piece set with four clockwise and four counter-clockwise propellers.
Specifications
Model: Gemfan 1220-4
Diameter: 31mm
Blade count: 4
Material: PC (polycarbonate)
Pitch: 2 inches
Weight: approximately 0.31g per propeller
Hub thickness: 5mm
Choose your fit
Select the color and shaft size from the options. Match the shaft bore to your motor and check frame/duct clearance before fitting. A matching motor size alone does not guarantee shaft compatibility.
Package contents
8 × Gemfan 1220-4 propellers: 4 CW + 4 CCW in the selected color and shaft size. Product photos may show other color options. Performance charts, where shown, are manufacturer test references; results depend on the motor and battery used.
