RCINPOWER SmooX 1507 Plus 2680KV/ 3800KV / 4200KV Brushless Motor 3-5inch For RC FPV Racing Cinewhoop Drone
The RCINPOWER SmooX 1507 Plus is a high-performance brushless motor series designed for 3-5 inch FPV racing and cinewhoop drones. Available in 2680KV. 3800KV. and 4200KV options. this motor offers outstanding power-to-efficiency ratio and stable output for freestyle. cinematic. and racing applications.
Key Features:
KV Ratings: 2680KV / 3800KV / 4200KV
Configuration: 9N12P
Stator Size: 15mm (diameter) × 7mm (height)
Shaft Diameter: 2mm
Motor Dimensions: Φ20.7mm × 28.2mm
Weight: 16.8g (with 3cm wires)
-
Internal Resistance:
2680KV: 113mΩ
3800KV: 65mΩ
4200KV: 59mΩ
-
Max Continuous Power:
2680KV: 420W @3S
3800KV: 430W @3S
4200KV: 450W @3S
-
Max Current:
2680KV: 19A
3800KV: 29A
4200KV: 30A
-
Recommended Lipo:
2680KV: 4-6S
3800KV / 4200KV: 3-4S
-
Max Efficiency Current:
2680KV: 3-5A >84%
3800KV / 4200KV: 5-8A >84%
Performance Test (Example):
HQ 343 Props
| KV | Voltage | Max Pull (g) | Power (W) | Efficiency (g/W) | Temp |
|---|---|---|---|---|---|
| 2680KV | 22.2V | 767g | 201.4W | 3.81 | 74°C |
| 3800KV | 14.8V | 654g | 159.2W | 4.109 | 73°C |
| 4200KV | 14.8V | 690g | 170.0W | 4.059 | 75°C |
Application:
Ideal for 3" cinewhoop builds. 3.5" freestyle drones. and lightweight 4"-5" FPV racers requiring powerful but efficient motors for stable throttle response and tight maneuvering.


SmooX 1507plus motor specs: 2680KV. 9N12P. 15mm stator. 2mm shaft. 20.7x28.2mm size. 16.8g weight. 4-6S cells. 420W max power. 113mΩ resistance. 19A max current. >84% efficiency. HQ 3*4*3 prop performance.

SmooX 1507plus 3800KV motor: 9N12P. 15mm stator. 2mm shaft. Weighs 16.8g. max 430W power. 29A current. Efficiency over 84% at 5-8A. Operates at 59°C and 73°C under load.

SmooX 1507plus 4200KV motor specs: 9N12P. 15mm stator diameter. 7mm length. 2mm shaft. Weighs 16.8g. max 450W power. 30A current. 59mΩ resistance. Efficient at 5-8A. with HQ 3*4*3 prop compatibility.




| Color |
1 PCS Orange 4200KV, 1 PCS Orange 2680KV, 1 PCS Orange 3800KV, 1 PCS Black 3800KV, 1 PCS Black 4200KV, 1 PCS Black 2680KV |
|---|