Gemfan D51 Props
Score: 89/100
Cajjalororc Landing Gear st-6837
Score: 86/100Rankings
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 Cajjalororc Mini 4K Landing Gear adds significant ground clearance and water-landing capability while remaining lightweight and foldable. Installation is tool-free and sensor-clear, though it may interfere with downward sensors and offers limited buoyancy in rough water.
| Attribute | Gemfan D51 Props | |
|---|---|---|
| ↓ lower better | 0.996 gbest | 36.3 g |
51 mmbest | — | |
48.3 mmbest | — | |
5best | — |
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 Mini 4K, Mini 2 SE, Mini 2, Mavic Mini, Mini SE |
Weight & Dimensions(1) | ||
Product Weight (g) | 0.996 g | 36.3 g |
Build & Design(2) | ||
Material | Polycarbonate | ABS plastic, foam |
Mounting Method | T-mount (no adapter rings required) | Tool-free |
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 commend the gear for its effortless 4-step installation, ultra-light ABS-foam build, and the creative freedom it unlocks by allowing safe water landings.
Everyday users appreciate the added height for protecting propellers, the compact foldable design, and ease of attachment, but some view it as unnecessary and worry about sensor interference and limited buoyancy.
“perfect for cinematic shots.”
“smoothness and quietness of flight”
“center hole fit can be tight on some motor shafts, requiring light sanding.”
