Xnova Lightning 4025-830KV Brushless Motor (Shaft A, 6mm)
The Xnova Lightning 4025-830KV is a high-performance outrunner engineered for 550-size helicopters flying on an 8S LiPo setup. As part of Xnovas premium Lightning series, it delivers crisp throttle response, excellent efficiency, and robust thermal performance for demanding sport and 3D flight.
Key Features
- Optimized for 550-class, 8S setups: Ideal balance of torque, efficiency, and head-speed headroom.
- Lightning series construction: Precision rotor/stator fit, high-grade laminations, and optimized cooling ports.
- Smooth, precise control: Low cogging for linear throttle feel in aerobatics and 3D.
- Premium materials: Heat-resistant neodymium magnets and high-temp winding wire.
- Quality bearings: Durable, low-friction bearings for sustained smooth operation.
- Shaft A format: 6mm output shaft (A-style) for broad heli compatibility and gearing options.
Specifications
| Series / Model | Xnova Lightning 4025-830KV (2Y) |
| KV | 830rpm/V |
| Recommended Voltage | 8S LiPo (typ. 29.6 V nominal); usable 68S depending on gearing and target headspeed |
| Helicopter Class | 550-size (500620mm blades; 550 sweet spot) |
| Shaft Type / Diameter | Shaft A, 6mm |
| Stator / Poles | 4025 frame; 24n8p architecture (Lightning series) |
| Dimensions (can) | 49.5mm 56mm (body length, excl. shaft) |
| Weight | 400g (without connectors) |
| Power / Current (guide) | Up to ~3kW continuous; ~4kW burst (setup-dependent) |
Notes: Actual performance depends on gearing, ESC limit …
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