Technical Specification
The Ewing 2812 Brushless Motor is a compact, lightweight outrunner engineered for efficient 6S operation in size- and weight-constrained UAS platforms. With a 900 KV wind and a 12N14P configuration, the 2812 delivers smooth torque, reliable thermal performance, and excellent efficiency when paired with 7-inch carbon fiber propellers.
Key Features
- 900 KV optimized for high-efficiency 6S operation
- Compact 2812 stator for lightweight propulsion systems
- 12N14P configuration for smooth, low-cogging operation
- High-temperature N35SH magnets
- Electrically and mechanically qualified via hipot and impulse welding tests
Electrical Specifications
| Parameter | Value |
|---|
| KV Rating | 1150 KV |
| Nominal Voltage | 6S LiPo |
| Idle Current @ 10 V | 1.2 A |
| Internal Resistance | 56 mΩ |
| Max Current | 33.8 A |
| Max Power | 800 W |
| Recommended ESC | 6S – 40 A |
Mechanical Specifications
| Parameter | Value |
|---|
| Stator Diameter | 28 mm |
| Stator Height | 12 mm |
| Motor Dimensions | Ø35 × 39.5 mm |
| Weight (incl. cable) | 85 g |
| Wire Gauge | 16 AWG |
| Wire Length | 150 mm |
| Configuration | 12N14P |
Materials & Construction
| Component | Specification |
|---|
| Magnet Type | N35SH |
| Dynamic Balance | ≤ 10 mg |
| Impulse Welding Test | Pass |
| Hi-Pot Test | 500 V AC (Pass) |
Propeller Compatibility
| Parameter | Specification |
|---|
| Recommended Propeller Size | 7 inch |
| Propeller Material | Carbon Fiber |
Application Notes
The Ewing 2812 is well suited for smaller multirotor and fixed-wing platforms where efficiency, reduced mass, and predictable electrical behavior are critical. Adequate cooling airflow and conservative ESC timing are recommended when operating near maximum power limits.
For thrust data, integration guidance, or mission-specific configuration support, contact Ewing Aerospace engineering.