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The 7040 tri-blade propeller is a high-efficiency design for long-range FPV and heavy-lift drones. Optimized for 6S-8S power systems, it delivers exceptional endurance and stable thrust for 7" cinematic and industrial platforms. Features aerospace-grade carbon fiber composite construction with optimized blade twist for low-noise operation and extended flight times.
| Parameter | 7040 Tri-Blade Version |
| Diameter | 7.0 inch (177.8mm) |
| Pitch | 4.0 inch (101.6mm) |
| Material | 50% Carbon Fiber PEEK |
| Hub Thickness | 12.8mm |
| Blade Count | 3 |
| Weight | 25.4g |
| Max RPM | 18,000 |
| Mounting Hole | 6mm (M6 Standard) |
| Blade Area Ratio | 1.45 |
• Low-Noise Design: Serrated trailing edge reduces noise by 8dB
• Structural Reinforcement: 3D orthogonal carbon fiber layup
• Dynamic Balance: CNC-machined titanium hub with balancing channels
• Thermal Stability: -20°C to +110°C operational range
• Adaptive Pitch: 3.7" (root) → 4.3" (tip) progressive twist
| Motor KV | Thrust | Current | Efficiency (g/W) |
| 1300KV | 3800g | 32A | 5.92 |
| 1500KV | 4350g | 38A | 5.78 |
| 1700KV | 4950g | 45A | 5.65 |
| Motor KV | Thrust | Flight Time (3000mAh) | Cruise RPM |
| 1000KV | 4200g | 22min | 12,500 |
| 1200KV | 5100g | 18min | 15,000 |
? Cinematic Platforms:
• 7" long-range HD video drones
• Professional aerial photography
• Stealth filming operations
? Industrial Solutions:
• Light payload delivery systems
• Infrastructure inspection
• Agricultural monitoring
• Operating Temp: -20°C to +110°C
• Chemical Resistance: IP54 splash protection
• UV Stability: <3% degradation after 1000hr exposure
Note: Data collected with 70mm ground clearance. Includes harmonic vibration analysis for 8mm thick arms.