Product overview
The FlashHobby D3548EVO is a brushless DC motor for fixed-wing propulsion. Its physical construction combines a 12N14P configuration, a CNC 6061-T6 aluminum bell, a 48H-grade magnet and a rotor subjected to precision balancing. The motor measures 35.3 × 48 mm and weighs 170 g including wires. Installation dimensions include a 5.0 × 65.5 mm shaft and a 19 × 25 mm mounting pattern specified as M3 × 4; the stator measures 28 mm in diameter and 26 mm in height.
Selection centers on the winding configuration and its associated battery and propeller requirements. The selectable ratings are 790 KV, 900 KV and 1150 KV, with custom KV also offered. The 790 KV configuration specifies a 3–4S LiPo battery and a suggested 13-inch propeller; the 900 KV configuration specifies 3–6S LiPo and a 9-inch propeller, while the 1150 KV configuration specifies 3–4S LiPo and a 9-inch propeller. Recorded temperatures represent motor surface measurements after 15 seconds at full throttle in a 26 °C ambient environment.
Specifications
| Specification | Value & conditions |
|---|---|
| Manufacturer and model | FlashHobby D3548EVO Fixed Wing Motor |
| Weight | 170 gIncluding wires. |
| Motor size | 35.3 × 48 mm |
| Shaft size | 5.0 × 65.5 mm |
| Stator diameter | 28 mm |
| Stator height | 26 mm |
| Motor mount | 19 × 25 mm (M3 × 4) |
| Configuration | 12N14P |
| KV options | 760 KV, 900 KV, 1150 KV, or custom KV |
| Motor configuration | 12N14P |
| Selectable KV ratings | 790 KV, 900 KV, 1150 KV, or custom KV |
| Maximum power | 353.6 W790 KV configuration. |
| Maximum current | 29.44 A790 KV configuration. |
| No-load current | 1.54 A790 KV configuration; 10 V. |
| Resistance | 34.4 mΩ790 KV configuration. |
| Battery specification | 3–4S LiPo790 KV configuration. |
| Suggested propeller | 13-inch propeller790 KV configuration. |
| Maximum power | 1324.1 W900 KV configuration. |
| Maximum current | 55.8 A900 KV configuration. |
| No-load current | 2.66 A900 KV configuration; 10 V. |
| Resistance | 24.0 mΩ900 KV configuration. |
| Battery specification | 3–6S LiPo900 KV configuration. |
| Suggested propeller | 9-inch propeller900 KV configuration. |
| Maximum power | 623.8 W1150 KV configuration. |
| Maximum current | 54.62 A1150 KV configuration. |
| No-load current | 3.34 A1150 KV configuration; 10 V. |
| Resistance | 19.0 mΩ1150 KV configuration. |
| Battery specification | 3–4S LiPo1150 KV configuration. |
| Suggested propeller | 9-inch propeller1150 KV configuration. |
| Magnet and rotor features | 48H-grade magnet; precision rotor balancing test |
| Bell, bearings and winding | CNC 6061-T6 aluminum bell; high-RPM imported NSK/NMB bearing; high-temperature-resistant copper-wire winding |
| Temperature measurement basis | Motor surface temperature100% throttle after 15 seconds of motor operation; ambient temperature 26 °C. |
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