Product overview
The FlashHobby D4250EVO is a fixed-wing propulsion motor with an outrunner brushless DC architecture and a 12N14P configuration. Its construction combines a CNC-machined 6061-T6 aluminum bell, 48H magnets, high-temperature-resistant copper winding and high-RPM NSK/NMB bearings. The motor measures 42.8 × 50 mm and weighs 209 g including wires. Installation dimensions include a 5.0 × 68.0 mm shaft and a 25 × 25 mm motor mount specified as M3 × 4. Its stator measures 35 mm in diameter and 20 mm in height.
Selection covers 600 KV, 800 KV and custom KV versions. Both standard versions specify 5–6S LiPo batteries, with a suggested 14-inch propeller for 600 KV and a 12-inch propeller for 800 KV. The 600 KV version specifies maximum power of 1252 W and maximum current of 57.83 A, while the 800 KV version specifies 1196.0 W and 60.74 A. No-load current at 10 V is 1.39 A and 2.37 A respectively; resistance is 32.0 mΩ and 20.3 mΩ respectively.
Specifications
| Specification | Value & conditions |
|---|---|
| Product identity | FlashHobby D4250EVO Fixed Wing Motor |
| Motor architecture | Outrunner brushless DC motor |
| Magnet specification | 48H level magnet |
| Rotor balancing | Precision-balanced rotor test |
| Motor design | 14P12N high-torque motor design |
| Bell construction | CNC-machined 6061-T6 aluminum bell |
| Bearings | High-RPM imported NSK/NMB bearing |
| Winding | High-temperature-resistant copper-wire winding |
| Weight | 209 gIncluding wires. |
| Motor size | 42.8 × 50 mm |
| Shaft size | 5.0 × 68.0 mm |
| Stator diameter | 35 mm |
| Stator height | 20 mm |
| Motor mount | 25 × 25 mm (M3 × 4) |
| Configuration | 12N14P |
| KV options | 600 KV, 800 KV or custom KV |
| Maximum power | 1252 W600 KV configuration. |
| Maximum current | 57.83 A600 KV configuration. |
| No-load current | 1.39 A at 10 V600 KV configuration; 10 V. |
| Resistance | 32.0 mΩ600 KV configuration. |
| Battery specification | 5–6S LiPo600 KV configuration. |
| Suggested propeller | 14-inch propeller600 KV configuration. |
| Maximum power | 1196.0 W800 KV configuration. |
| Maximum current | 60.74 A800 KV configuration. |
| No-load current | 2.37 A at 10 V800 KV configuration; 10 V. |
| Resistance | 20.3 mΩ800 KV configuration. |
| Battery specification | 5–6S LiPo800 KV configuration. |
| Suggested propeller | 12-inch propeller800 KV configuration. |
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