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GEMFAN 1608-3 40mm Tri-Blade Propellers (Pack of 8, 4CW+4CCW)

Rs. 399.00
Rs. 399.00
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Inject smooth, linear throttle tracking and rapid cornering recovery into your micro racer with the premium GEMFAN 1608-3 40MM TRI-BLADE 1.0MM & 1.5MM SHAFT PROPELLERS – (4CW+4CCW). Engineered as a top-tier upgrade for sub-30g micro aircraft, this high-efficiency propeller profile maximizes low-end lift within compact frame constraints. Whether you are executing high-speed slalom lines through tight indoor basement gates or carving freestyle lines past outdoor obstacles, the GEMFAN 1608-3 40MM TRI-BLADE 1.0MM & 1.5MM SHAFT PROPELLERS – (4CW+4CCW) slice cleanly through incoming air columns to eliminate drift and ensure precise altitude control.
Built to survive the relentless impact stresses of close-quarters racing, the premium polycarbonate matrix used across the GEMFAN 1608-3 40MM TRI-BLADE 1.0MM & 1.5MM SHAFT PROPELLERS – (4CW+4CCW) allows the blades to flex rather than fracture during harsh collisions. The shallow 0.8-inch pitch reduces total aerodynamic drag, helping the GEMFAN 1608-3 40MM TRI-BLADE 1.0MM & 1.5MM SHAFT PROPELLERS – (4CW+4CCW) draw significantly fewer amps from your 1S flight packs. This reduced electrical load lowers component heat cycles while eliminating high-frequency oscillations to deliver a quiet, jello-free, and locked-in video feed.

🛠️ Key Technical Features

    • Propeller Form Factor: 40mm overall paddle diameter (1.6-inch profile) optimized for 75mm micro whoop and nano racing frames.
    • Blade Geometry: High-response 3-blade (tri-blade) configuration balancing quick throttle linearity with low rotational inertia.
    • Pitch Profile: Shallow 0.8-inch pitch design ensuring extreme motor efficiency, lower amp draws, and reduced battery sagging.
    • Shaft Mounting Options: Universally cut center bores matching standardized 1.0mm or 1.5mm micro motor press-fit shafts.
    • Structural Material: Forged entirely from ultra-durable polycarbonate (PC) resin to resist fracturing during indoor racing crashes.
    • Weight & Inertia: Ultra-light weight profile at just 0.42g per blade to maximize high-RPM stabilization.
    • Package Contents: Ships as a comprehensive 8-piece setup featuring 4 Clockwise (CW) and 4 Counter-Clockwise (CCW) propellers.

Which specific brushless micro motor sizes and frame layouts pair best with these 40mm propellers?

These 40mm micro propellers are aerodynamically tailored for high-KV brushless outrunner motors ranging from 0802, 1102, up to 1103 stator dimensions. They serve as the ideal factory replacement or build standard for 75mm wheelbase tiny whoops and ultra-lightweight open-prop toothpick frames. Ensuring your motors sit within this range guarantees the system has the torque required to spin up the tri-blade profile cleanly without overheating your electronics speed controllers.

How should a pilot choose between the 1.0mm and 1.5mm inner hub shaft size variations?

The selection depends entirely on the outer shaft diameter of the brushless motors installed on your airframe. The 1.0mm bore hole version is engineered to slide tightly onto smaller micro-motor shafts, while the 1.5mm variation matches heavier high-torque micro motors. Selecting the exact press-fit matching dimension is vital for establishing a high-friction connection, preventing the propeller from slipping under aggressive full-throttle maneuvers or launching off the motor during flight.


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