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Gemfan Flash 6042 black two-blade propellers on a white backgroundGemfan Flash 6042 black two-blade propellers on a white background

Gemfan Flash 6042

The Gemfan Flash 6042 is a two-blade polycarbonate propeller for 6-inch drone builds, including high-speed cruising and long-range FPV applications. It combines a 6.0-inch diameter, specified 4.7-inch pitch, and 5 mm mounting hole for 2306–2506 motors. Packs contain two clockwise and two counterclockwise propellers.

Gemfandrone motor
Weight
~6.46 g (per propeller)
Material
Polycarbonate (PC)

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Product overview

The Gemfan Flash 6042 is a propeller component for 6-inch class drone builds, with intended applications including high-speed cruising and long-range FPV platforms. Its physical architecture combines two blades with polycarbonate construction, a 6.0-inch (~152.4 mm) diameter, and a specified 4.7-inch pitch. Each propeller weighs approximately 6.46 g. The blade arrangement is intended to reduce aerodynamic drag and rotational mass, while the material selection balances low weight with structural strength.

Integration centers on a 5 mm shaft hole (M5) and a compatible motor-size range of 2306 to 2506; application examples include 2306, 2407, and 2506 motors. The 4.7-inch pitch targets high-speed performance and efficient thrust generation during cruising. Each pack contains two clockwise and two counterclockwise propellers, making the supplied product a propulsion component set. Color choices are Red, Transparent, Lake Blue, and Jet Black, allowing visual selection alongside the dimensional and motor-interface requirements.

Motors & ESCs

Specifications

SpecificationValue & conditions
ModelGemfan Flash 6042
Blade count2
Diameter6.0 inch (~152.4 mm)
Pitch4.7 inch (as specified)
Weight~6.46 g (per propeller)Per propeller.
MaterialPolycarbonate (PC)
Compatible motor size2306 to 2506
Mounting interface5 mm shaft hole (M5)
Color optionsRed, Transparent, Lake Blue, Jet Black
Supplied configuration2 CW + 2 CCW per packPer pack.
Intended applications6-inch class drones prioritizing speed and flight efficiency, including high-speed cruising and long-range FPV platforms6-inch class drones; builds using 2306, 2407, 2506, or similar motor sizes.
Aerodynamic designDesigned to reduce aerodynamic drag and rotational mass in support of flight efficiency, top-end speed potential, and longer flight timesTwo-blade configuration.
Pitch design purposeEngineered for high-speed performance and efficient thrust generation at cruising speeds4.7-inch pitch; cruising speeds.
Structural design purposePolycarbonate construction intended to combine durability with low weightPolycarbonate construction.

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