Product overview
The EMAX E3 1303 is a propulsion motor for micro FPV aircraft, including indoor and outdoor builds, lightweight freestyle aircraft and compact cinematic platforms. Its physical architecture combines a 1303 stator and 9N12P framework with a steel shaft, anodized AL 7075 housing and one-piece outer rotor. N52SH arc magnets, single-strand winding and an NSK precision bearing complete the motor construction. The body measures 17.3 mm in diameter and 15.3 mm in length, with a weight of 6.6 g including wire.
Integration uses a 9 x 9 mm M2 mounting pattern, a 1.5 mm prop adapter shaft and 80 mm 24 AWG silicone leads; the bearing shaft measures 2 mm. Supplied hardware comprises five M2 x 5 mm screws and three M2 x 6.5 mm screws. Battery and propeller selection depend on the purchased winding: 5000KV supports 2-4S and 2-3.5 inch propellers, 8000KV supports 2-3S and 2-3 inch propellers, and 11000KV supports 1-2S and 2-3 inch propellers. These configuration limits govern its integration into a micro aircraft.
Specifications
| Specification | Value & conditions |
|---|---|
| Product and purpose | EMAX E3 1303 Brushless Motor for 2-3.5 inch micro FPV platforms |
| Framework | 9N12P |
| Length | 15.3 mm |
| Diameter | 17.3 mm |
| Battery cells — 5000KV | 2-4S5000KV configuration. |
| Battery cells — 8000KV | 2-3S8000KV configuration. |
| Battery cells — 11000KV | 1-2S11000KV configuration. |
| Recommended propeller — 5000KV | 2-3.5 inch5000KV configuration. |
| Recommended propeller — 8000KV / 11000KV | 2-3 inch8000KV or 11000KV configuration. |
| Weight | 6.6 g with wireWith wire. |
| Prop adapter shaft | 1.5 mm |
| Bearing shaft | 2 mm |
| Stator size | 1303 |
| Series | E3 Series |
| KV options | 5000KV, 8000KV, 11000KV |
| Mounting pattern | 9 x 9 mm, M2 |
| Lead | 80 mm 24 AWG silicone wire |
| 5000KV electrical specifications |
|
| 8000KV electrical specifications |
|
| 11000KV electrical specifications |
|
| Shaft construction | Steel shaft |
| Housing | AL 7075 anodized housing |
| Rotor construction | One-piece outer rotor |
| Magnets | N52SH arc magnets |
| Winding | Single-strand winding |
| Bearing | NSK precision bearing |
| Supplied screws | 5 x M2 x 5 mm screws; 3 x M2 x 6.5 mm screwsIncluded equipment. |
| Recommended applications | 2-3.5 inch micro FPV; indoor and outdoor micro builds; lightweight freestyle; compact cinematic platforms |
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