OverviewTheGEPRC EM4218 350KV Motor is purpose-built for long-range and heavy-lift FPV drones using 1315 inch propellers on 8S LiPo (33.6V) systems. With up to 1800W power, peak thrust of 6539g, and a reinforced M6 steel shaft, this motor delivers both the
TheGEPRC EM4218 350KV Motor is purpose-built for long-range and heavy-lift FPV drones using 1315 inch propellers on 8S LiPo (33.6V) systems. With up to 1800W power, peak thrust of 6539g, and a reinforced M6 steel shaft, this motor delivers both the torque and durability needed for extended flight missions such as mapping, cargo drops, or endurance FPV.
It features a high-efficiency magnetic circuit, multi-strand copper windings, and NMB bearings, all within a precision-machined 7075 aluminum body. The EM4218 also includes 800mm 14AWG wires, a 3030mm mounting pattern, and is optimized for 60A80A ESCs.
| Propeller Type | Max Thrust | Max Power | Max Current | Max Efficiency | Peak Temp |
|---|---|---|---|---|---|
| HQ 1573 | 6539g | 1772.79W | 56.03A | 10.24 g/W | 53C |
| HQ 1393 | 5004g | 1510.38W | 47.65A | 7.65 g/W | 40C |
| HQ 1573 (alt) | 4234g | 885.42W | 37.28A | 10.13 g/W | 36C |
Notes:
Highest thrust recorded with HQ 1573 at 6539g and 56.03A peak current
Most efficient range between 2050% throttle, achieving over 10 g/W
Max RPM: 9314, Max current: 56.03A, Max temp: 53C
| Parameter | Value |
|---|---|
| Model | GEPRC EM4218 350KV |
| KV Rating | 350KV |
| Input Voltage | 8S (33.6V) |
| Max Power | 1800W |
| Peak Current | 60A |
| Internal Resistance | 50 m |
| Stator Configuration | 12N14P |
| Magnet Type | N52H |
| Bearing Type | NMB |
| Prop Size Compatibility | 1315 inch |
| Motor Dimensions | 49 40.1 mm |
| Shaft Diameter | 6 mm |
| Shaft Protruding Length | 22.9 mm |
| Mounting Pattern | 30 30 mm |
| Lead Wires | 800 mm / 14AWG |
| ESC Compatibility | 60A80A |
| Winding Type | Multi-strand copper |
| Weight (with wires) | 289g |
1 GEPRC EM4218 350KV Motor
4 M410 Round Head Screws
1 M6 Anti-Slip Flange Nut
Optimized for long-range drones and aerial platforms requiring extreme thrust, thermal stability, and durability. Ideal for use with 1315 inch props, 8S systems, and tasks such as:
Long-range FPV
Heavy-lift cinematography
Survey/mapping UAVs
Specifications: EM4218-350KV, maximum KV 350KV, max watt 1800W, peak current 60A, interphase resistance 50m. Propeller size 13-15 inches, magnet type N52H, bearing type high-temp. Dimensions: 49mm x 40mm, shaft diameter d6mm (M6), shaft protruding 22.9mm, mounting holes 30mm x 30mm (4-M4). Lead length 80mm/14AWG ESC, input volts 6-10S LiPo, winding multiple strand copper, screws included M6 flange nut (1PCS). Weight: 289g (with wire), compatible with 13-15 inch long range FPV models.
Thrust data includes throttle voltage, current, speed, power, efficiency, and temperature for various types (inch) percentages. Results show increased performance at higher percentages, with HQ models performing well. The data provides insights into the motor capabilities and can be used to optimize its use.
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