Overview
EMax GT2815 is a brushless motor designed for 2-3xLi-Poly setups, with published prop and thrust/current test data for the GT2815/07 and GT2815/05 variants.
Key Features
- Supports 2-3xLi-Poly
- Stator size: 28 x 15mm
- Shaft diameter: 5mm
- Recommended model weight: 800-1800g
- Two motor-bottom assembly options: (1) motor bottom with motor cover assembled; (2) motor bottom with propeller adapter assembled
Specifications
| Item | Value |
|---|---|
| No.Of cells | 2-3xLi-Poly |
| Stator dimensions | 28x15mm |
| Shaft diameter | 5mm |
| Weight | 120g / 4.23oz |
| Recommended model weight | 800-1800g |
| Recommended prop without gearbox | 10x5 13x6.5 |
Performance Data
| Model | Cell Count | RPM/V | Prop (APC) | RPM | MAX current (<60S) | Thrust |
|---|---|---|---|---|---|---|
| GT2815/07 | 3S | 1100 | 11x5.5 | 9400 | 36A | 1800g / 3.97lb |
| GT2815/07 | 2S | 1100 | 13x6.5 | 5960 | 30A | 1330g / 2.93lb |
| GT2815/05 | 3S | 1500 | 9x4.7 | 14300 | 30A | 1440g / 3.17lb |
| GT2815/05 | 3S | 1500 | 9x4.5 | 11800 | 34A | 1400g / 3.09lb |
Mechanical Drawing Notes
- Thread marking: M8 (both ends shown)
- Diameter marking: φ35
- Length marking: 38.5
- Dimension marking: 11.5MM
- Mounting holes marking: 4-φ3
For fitment, setup, and prop/motor matching questions, contact support@rcdrone.top or visit https://rcdrone.top/.
Details

Reference performance data for 2–3S Li-Poly setups, including recommended props and typical thrust/current results.

Mechanical dimensions and mounting pattern help confirm fitment before selecting a frame, prop adapter, or motor mount.
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