Gemfan D51 Props
Score: 89/100
Master Airscrew Stealth Propellers Avata 2
Score: 89/100Rankings
The Gemfan D51 5-blade 51 mm prop is optimized for 2-inch cinewhoop drones, delivering strong low-end thrust, quiet operation, and robust polycarbonate construction. Its T-mount fits 1.5 mm shafts directly, making it a plug-and-play solution for 1204+ motors.
The Master Airscrew Stealth 4-blade propellers for the DJI Avata 2 are a lightweight, glass-fiber composite upgrade that cuts noise by about 2 dB and improves efficiency by 5%, delivering modest extra flight time while offering strong durability.
| Attribute | Gemfan D51 Props | |
|---|---|---|
| ↓ lower better | 0.996 gbest | 17.9 g |
51 mm | 76 mmbest | |
48.3 mm | 81 mmbest | |
5best | 4 | |
— | -2 dBbest | |
— | 5 %best |
Click an attribute name to sort · Green = best, red = worst (relative to this comparison)
| Attribute | Gemfan D51 Props | |
|---|---|---|
Compatibility(1) | ||
Compatible Drones | 2‑inch cinewhoop drones, 1204 and larger brushless motors | DJI Avata 2 |
Weight & Dimensions(1) | ||
Product Weight (g) | 0.996 g | 17.9 g |
Propeller Specs(3) | ||
Propeller Diameter (mm) | 51 mm | 76 mm |
Propeller Pitch (mm) | 48.3 mm | 81 mm |
Number of Blades | 5 | 4 |
Build & Design(1) | ||
Material | Polycarbonate | Glass Fiber R Composite |
Products in the top-left offer the best value (high score, low price).
Professional reviewers highlight the D51-5's low noise, high low-RPM thrust and solid construction, noting a ~12% static thrust gain over 4-blade counterparts but cautioning that the extra blade adds drag and current draw, making it less suited for high-speed racing.
Everyday users consistently praise the prop for its smooth, quiet flight and reliable hover performance in indoor or cinematic scenarios, while occasional complaints involve imbalance, motor heating on prolonged climbs, and a tight center hole that may need sanding.
Professional reviewers highlight the refined airfoil design and measurable -2 dB noise reduction, noting the aerodynamic improvements position the product as a leading aftermarket upgrade for the Avata 2.
Everyday users consistently praise the quieter, smoother flight and extra flight time, while noting the low-visibility black finish and occasional screw stripping.
“perfect for cinematic shots.”
“smoothness and quietness of flight”
“center hole fit can be tight on some motor shafts, requiring light sanding.”
