Overview
VCI SPARK 1507.2 brushless motor options (2150KV / 2600KV / 3150KV / 3900KV) for FPV multirotor builds that use a compact 1507-class motor size and 3-inch/75mm prop setups.
Key Features
- Multiple KV options for different voltage and propeller setups: 2150KV, 2600KV, 3150KV, 3900KV
- 12S14P configuration with N52SH arc magnets
- 1507.2 stator size (Ø15*L7.2mm) in a Ø19*L19.6mm motor body
- Ø1.5mm shaft, 3mm shaft length
- 24AWG silicone wire, 100mm
- 4x M2 equally spaced mounting pattern; Ø12mm mounting circle
Specifications
Mechanical
| Stator size | Ø15*L7.2mm |
| Motor dimensions | Ø19*L19.6mm |
| Shaft diameter | Ø1.5mm |
| Shaft length | 3mm |
| Mounting | 4x M2 equally spaced |
| Mounting circle | Ø12mm |
| Center boss diameter | Ø5mm |
| Wire | 24AWG 100mm (silicone) |
| Magnets | N52SH arc |
| Configuration | 12S14P |
Electrical (by KV option)
| KV | Rated voltage | Internal resistance | Idle current (10V) | Peak current | Max instantaneous power | Weight (incl. cable) |
|---|---|---|---|---|---|---|
| 2150KV | 6S (24V) | 240mΩ | 0.4A | 13.69A | 328.56W | 14.6g |
| 2600KV | 6S (24V) | 150mΩ | 0.6A | 17.07A | 409.68W | 14.9g |
| 3150KV | 4S (16V) | 105mΩ | 0.8A | 19.44A | 311.04W | 14.8g |
| 3900KV | 4S (16V) | 80mΩ | 1.1A | 21.92A | 350.72W | 14.8g |
Test Data (Reference)
- 2150KV @ 24V, propeller: GF 3052-3, max thrust: 539g, max RPM: 37311, temperature: 69C
- 2600KV @ 24V, propeller: GF D75-3, max thrust: 717g, max RPM: 48083, temperature: 75C
- 3150KV @ 16V, propeller: GF 3052-3, max thrust: 535g, max RPM: 37660, temperature: 67C
- 3900KV @ 16V, propeller: GF D75-3, max thrust: 653g, max RPM: 45654, temperature: 69C
Applications
- 3-inch FPV quads using 1507-class motors
- 75mm ducted micro builds (propeller reference: D75-3)
Need help choosing the right KV for your battery voltage and propeller size? Contact [email protected] or visit https://rcdrone.top/.
Details

Compact 1507.2 motor sizing for 3-inch and 75mm builds, with a Ø12mm mounting circle and 4×M2 pattern.

Choose between 2150KV and 2600KV options using the included spec sheets and bench test reference data.

3150KV test results are provided for 4S setups with GF 3052-3 prop data for quick tuning comparisons.

3900KV reference testing includes GF D75-3 data for 75mm ducted micro builds.
