Product overview
The HOBBYWING RTF 4214 serves as a propulsion component for FPV drone integration. Its four KV variants share the manufacturer's published 50 mm diameter and 35.8 mm height, a 42 mm × 14 mm stator, and a 12N14P slot-and-pole arrangement; confirm these dimensions for the selected configuration. The mounting interface uses a 30 mm pattern with four M4 positions, alongside a 6 mm axle and 25 mm shaft. Construction combines thin stator laminations, temperature-rated winding insulation and arc-shaped magnets. The propeller mount adds cooling and anti-slip features described by the manufacturer.
Procurement should specify the KV variant together with its intended battery, propeller and ESC combination. 8S LiPo to the 380KV and 440KV versions and 6S LiPo to the 500KV and 660KV versions. Its application combinations are recommendations, and the supplied package contents are not enumerated. The product is presented as a motor, with no complete flight-platform or airframe-kit configuration established. Maximum current carries a non-hermetic, ambient-temperature limit of 25°C; peak current and power also carry variant-specific durations. Published thrust figures lack an accompanying propeller or measurement setup in the supplied table.
Specifications
| Specification | Value & conditions |
|---|---|
| Manufacturer and product purpose | HOBBYWING RTF 4214 brushless motor family for FPV drone propulsion. |
| Motor variants | RTF 4214 380KV, 440KV, 500KV and 660KV. |
| Motor dimensions | All four variants: diameter 50 mm × height 35.8 mm. |
| Slots and poles | All four variants: 12N14P. |
| Stator dimensions | All four variants: diameter 42 mm × 14 mm. |
| Bearing | All four variants: 626ZZ. |
| Stator material and coating | All four variants: high-standard silicon steel sheet with a 180°C high-temperature-resistant paint coating. |
| Motor axle diameter | All four variants: diameter 6 mm. |
| Winding insulation | All four variants: 220°C high-temperature-resistant enameled wire with Class C insulation. |
| Shaft length | All four variants: 25 mm. |
| Insulation test | All four variants: 500 V AC high-voltage resistance test.Published insulation test specification. |
| Motor mounting dimensions | All four variants: diameter 30 mm mounting pattern with four M4 mounting positions. |
| 380KV electrical, performance and wiring specifications |
|
| 440KV electrical, performance and wiring specifications |
|
| 500KV electrical, performance and wiring specifications |
|
| 660KV electrical, performance and wiring specifications |
|
| 380KV recommended integration |
|
| 440KV recommended integration |
|
| 500KV recommended integration |
|
| 660KV recommended integration |
|
| Propeller-mount cooling | The propeller mount incorporates a self-cooling design.Design feature. |
| Propeller-mount retention | An anti-slip tooth structure on the propeller mount is intended to limit propeller slippage and rotation loss.Design feature; slip prevention is a stated design purpose. |
| Stator laminations | 0.2 mm thick stator core laminations paired with 220°C high-temperature enameled wire. |
| Winding architecture | Multi-strand enameled wire windings, described as reducing operating temperature at identical power output.Manufacturer compares operating temperatures at identical power output. |
| Magnet architecture | Arc-shaped magnets, described as increasing magnetic flux density and field intensity.Magnetic architecture. |
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