Overview
VCI SPARK 1406 brushless motor options are available in 2100KV, 2550KV, 3150KV, 3900KV, and 4750KV for RC multirotor/FPV builds. This series uses a 9S12P configuration with N52SH arc magnets and includes factory test data for specific propellers and voltages.
Key Features
- Multiple KV selections: 2100KV / 2550KV / 3150KV / 3900KV / 4750KV
- Configuration: 9S12P
- Magnets: N52SH arc
- Silicone wire: 24AWG 100mm
Specifications
Mechanical
| Stator size | Ø14*L6mm |
| Motor dimensions | Ø19*L18.4mm |
| Shaft length | 3mm |
| Shaft diameter | Ø1.5mm |
| Mounting | 4-M2 (equally spaced), bolt circle Ø12mm |
Electrical (by KV option)
| Item | 2100KV | 2550KV | 3150KV | 3900KV | 4750KV |
|---|---|---|---|---|---|
| Rated voltage | 6S (24V) | 6S (24V) | 4S (16V) | 4S (16V) | 4S (16V) |
| Internal resistance | 370mΩ | 270mΩ | 180mΩ | 135mΩ | 100mΩ |
| Peak current | 9.68A | 11A | 15.47A | 16.68A | 21.57A |
| Idle current (10V) | 0.2A | 0.3A | 0.4A | 0.8A | 1.1A |
| Max instantaneous power | 232.32W | 264W | 247.52W | 265.76W | 345.12W |
| Weight (incl. cable) | 13.5g | 13.6g | 13.5g | 13.5g | 13.5g |
| Wire | 24AWG 100mm | ||||
| Magnets | N52SH arc | ||||
| Configuration | 9S12P | ||||
Test Data (Reference)
- SPARK 1406 2100KV (GF 3052-3, 24V): max thrust 423g, current 9.68A, power 232.32W, motor temperature 68°C
- SPARK 1406 2550KV (GF D63-5, 24V): max thrust 451g, current 11.00A, power 264.00W, motor temperature 60°C
- SPARK 1406 3150KV (GF 3052-3, 16V): max thrust 409g, current 13.96A, power 223.36W, motor temperature 63°C
- SPARK 1406 3900KV (GF D63-5, 16V): max thrust 439g, current 16.61A, power 265.76W, motor temperature 65°C
- SPARK 1406 4750KV (GF D63-3, 16V): max thrust 500g, current 21.57A, power 345.12W, motor temperature 67°C
If help is needed choosing the right KV option for a specific setup, contact support at https://rcdrone.top/ or email [email protected].
Details

Compact 1406 motor layout with a 12mm bolt circle and 4× M2 mounting pattern for common FPV frames.

Factory test data helps compare 2100KV vs 2550KV performance with specific propellers and voltages.

3150KV reference sheet lists key electrical specs and measured thrust/efficiency across throttle.

Choose 3900KV using the included performance table for a quick look at current draw and thrust trends.

4750KV test results summarize thrust up to 500g and power figures for quick setup planning.
Related Collections
