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Key Specs
About this product
Elevate your radio controlled aircraft with the Xfly 2840-KV4000 brushless motor, engineered for enthusiasts serious about performance. This high-speed motor delivers the responsive power needed for dynamic flying experiences, making it an excellent choice for RC hobby UK builders and pilots alike. Whether you’re upgrading an existing setup or building from scratch, Xfly RC motors are renowned for reliability and consistent thrust output that keeps your plane airborne with confidence.
- 2840 size brushless motor design
- 4000 KV rating for high-speed applications
- Durable construction built to withstand demanding flight conditions
- Compatible with standard ESC setups
Frequently Asked Questions
This motor is designed for experienced builders and pilots rather than beginners. The 4000 KV rating and high-speed characteristics require knowledge of RC aircraft setup, ESC configuration, and flight dynamics to use safely and effectively.
The 2840 refers to the motor's physical dimensions (28mm diameter, 40mm length). Check your aircraft's specifications or manual to confirm compatibility, as frame compatibility depends on your particular model rather than a universal size standard.
The product listing specifies a brushless motor only. You will need to source separately: a compatible ESC (electronic speed controller), battery, propeller, and any mounting hardware required for your specific aircraft build.
The motor is compatible with standard ESC setups, but you must verify that your specific ESC can handle the 4000 KV rating and that your battery provides sufficient power and voltage for this high-speed motor. Check your ESC and battery specifications against the motor requirements.
KV rating determines motor speed: 4000 KV means the motor spins 4000 RPM per volt of input. This high rating suits fast, dynamic flight applications and requires a suitable propeller and power source to deliver the responsive performance this motor is designed for.
