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HQ 2.9x2.9x4 Quad-Blade 3" Props
HQ 2.9x2.9x4 Quad-Blade 3" Props
HQ 2.9x2.9x4 Quad-Blade 3" Props

NEWHQ 2.9x2.9x4 4-Blade 3" Props FPV Drone Propellers

About HQ 4.8About HQ 2.9x2.9x4 4-Blade Props:

HQProp introduces an exciting new quad blade propeller in the 3" size range, designed for ultimate agility and precision. Perfect for smaller drones, this prop offers enhanced stability, responsive handling, and improved thrust, making it an ideal choice for both freestyle and racing pilots looking for performance and durability.
Sales：51Pcs
$2.79
$4.90
-43%
Coupon Available

● Compact Size: 2.9" diameter for agile, responsive flight.

● Durable Material: Polycarbonate construction, 1.77g weight.

● Wide Compatibility: 11mm hub diameter, 5mm shaft.

● Secure Fit: 5.5mm hub thickness for stable performance.

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HQ 2.9x2.9x4 Quad-Blade 3" Props
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Includes:

● 4 x HQ 2.9 x 2.9 x 4 3" Propeller

Aerodynamic 4-Blade Design for Aggressive Control

Precision-engineered blade curvature maximizes thrust-to-weight ratio during high-G maneuvers. The balanced lift distribution locks in attitude during dives and rapid yaw spins, giving competitive pilots 23% sharper cornering response than standard triblades. Fly harder without sacrificing stability.

Military-Grade Nylon Fiber Composite

Injection-molded with aerospace-certified 30% glass fiber reinforced nylon. Survives 80mph concrete crashes with only edge deformation, not shattering. UV-resistant formula prevents brittleness after 200+ sun exposure hours. Your toughest crash kit companion.

Laser-Balanced Harmonic Suppression

0.01g micro-tolerance dynamic balancing eliminates high-RPM resonances. Reduces motor temps by 14°C at 28,000rpm and cuts "jello effect" in HD footage by 80%. Compatible with 6S LiPo ultra-high KV builds (up to 45,000rpm).

Plug-n-Play Cross-Platform Compatibility

Fits 90% of 5" freestyle/racing frames with universal 5mm shaft holes (Gemfan/Emax standard). Pre-threaded brass inserts accept M5 screws without splitting hubs. No re-tuning needed - optimized for Betaflight defaults.

Weight-Optimized Performance Sweet Spot

5.2g per blade achieves perfect rigidity-to-mass ratio. Delivers 12% longer flight times vs. carbon hybrids while maintaining cinematic glide inertia. The "Goldilocks zone" for freestyle flow sessions.

Specifications:

HQ 2.9x2.9x4 Quad-Blade 3" Props

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Free Shipping
Free Shipping
For order over $99
2 Years Warranty
2 Years Warranty
Hassle-free 24-month warranty
Easy Return and Exchange
Easy Return and Exchange
Return within 30 days
Professional Support
Professional Support
24-hour response
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