Hobbywing XRotor 3115 Brushless FPV Motor — 900KV / 1050KV, 4-6S, 12N14P, 37.2×32 mm for 9–10 inch FPV Drones

Overview

Hobbywing XRotor 3115 Motor — a brushless FPV motor available in 900KV and 1050KV variants, suitable for 9-10 inch FPV drones. The XRotor 3115 series is designed for 4-6S LiPo packs and uses a 12N14P stator/pole configuration with N52H magnetic tiles and 0.2mm high-performance silicon steel sheets for improved torque and thermal performance.

Key Features

• Optimized thermal performance with a large hollow rotor design at both ends to improve heat dissipation (self-cooling structure).
• Stable rotor fixation using high-temperature resistant, high-strength adhesive to reduce the risk of rotor loosening.
• High-quality materials: 0.2mm silicon steel (pure copper sheets referenced in manufacturer data) and 16AWG silicone wires for easier routing and reduced losses.
• High-temperature enamelled wire insulation: 220°C (C Class) for better heat resistance and extended service life.
• N52H strong magnetic arc design to increase torque output, targeted at 9–10 inch propeller setups.
• New tooth-groove propeller mount design to reduce prop slippage.

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Specifications

What’s Included

• 1 × XRotor 3115 motor (900KV or 1050KV, as selected)
• 1 × propeller nut (shown with motor)
• 4 × M3 motor mounting screws

Applications

Intended for 9–10 inch FPV drone platforms using 4-6S LiPo batteries. Recommended pairing: XRotor FPV G2 65A 4in1 ESC and the propeller models listed in Specifications. Suitable where higher torque and sustained thermal performance are required for heavy-load flight profiles.

Details

Hobbywing X‑Rotor 3115 900KV brushless motor features exposed stator vents and a top prop nut for straightforward mounting and improved heavy‑load efficiency (noted as over 5%).

Hobbywing XRotor 3115 motor includes a new tooth-groove, anti-slip prop mount to help keep the propeller secured during flights.

Hobbywing XRotor 3115 features a vented, self-cooling rotor with exposed copper windings and threaded shaft to improve heat dissipation and extend running time by more than 50%.

XRotor 3115 features N52 magnetic tiles, high-performance 0.2mm silicon steel sheets and 220°C high-temperature resistant enameled wire for robust motor construction.

Hobbywing XRotor 3115‑900KV delivers a 127‑second maximum continuous full‑throttle run while drawing 42A in the test, compared with a competitor’s 40s runtime at 44A.

XRotor 3115 900KV motor shows a higher efficiency curve at lower thrust compared with another 3115 900KV motor, helping optimize performance in lighter‑thrust flight regimes.