Overview
VCI SPARK 1805.4 brushless motor for FPV drone builds, offered in multiple KV options (1650KV / 2300KV / 2650KV / 3350KV / 3850KV). The 1805.4 stator format is designed for compact multirotor setups where responsive throttle control and efficient power delivery are required.
Key Features
- Multiple KV choices to match different voltage and propeller setups
- 9S12P configuration with N52SH arc magnets
- Compact mounting format with 4x M2 mounting holes
- 24AWG silicone lead wires (100mm)
Specifications
| Series / Model | VCI SPARK 1805.4 |
| Configuration | 9S12P |
| Magnets | N52SH arc |
| Stator size | Dia. 18 x L5.4 mm |
| Motor dimensions | Dia. 22.3 x L18.4 mm |
| Shaft diameter | 1.5 mm |
| Shaft length | 3 mm |
| Mounting | 4x M2 holes, 12 mm pattern |
| Silicone wire | 24AWG, 100mm |
Electrical Specs by KV Option
| KV Option | Rated Voltage | Internal Resistance | Idle Current (10V) | Peak Current | Max Instantaneous Power | Weight (incl. cable) |
|---|---|---|---|---|---|---|
| 1650KV | 6S (24V) | 330 mOhm | 0.1A | 11.90A | 285.6W | 16.8g |
| 2300KV | 6S (24V) | 190 mOhm | 0.4A | 18.38A | 441.12W | 16.8g |
| 2650KV | 4S (16V) | 150 mOhm | 0.4A | 20.4A | 326.4W | 16.7g |
| 3350KV | 4S (16V) | 120 mOhm | 0.6A | 22.85A | 365.6W | 16.8g |
| 3850KV | 4S (16V) | 80 mOhm | 0.9A | 28.24A | 451.84W | 16.8g |
Test Data (Reference)
| KV Option | Propeller | Voltage | Max Thrust | Current | Power | RPM | Temperature |
|---|---|---|---|---|---|---|---|
| 1650KV | GF 5125-3 | 24V | 703 g | 11.90 A | 285.60 W | 23857 | 186 C |
| 2300KV | GF D90-3 | 24V | 707 g | 18.38 A | 441.12 W | 35895 | 223 C |
| 2650KV | GF 5125-3 | 16V | 693 g | 20.40 A | 326.40 W | 23880 | 199 C |
| 3350KV | GF D90-3 | 16V | 624 g | 22.85 A | 365.60 W | 31662 | 183 C |
| 3850KV | GF 3052-3 | 16V | 612 g | 28.24 A | 451.84 W | 40193 | 141 C |
For selection help (KV choice, voltage match, or prop guidance), contact [email protected] or visit https://rcdrone.top/.
Details

Compact 1805.4 motor layout with a 12 mm M2 mounting pattern, 22.3 mm diameter body, and 18.4 mm motor length for tight builds.

Reference test data for the 1650KV and 2300KV options, including thrust, current draw, efficiency, RPM, and temperature across throttle.

Compare the 2650KV and 3350KV variants to match your voltage and prop choice using the included spec and bench-test summaries.

The 3850KV option includes a full spec table and 4S test results to help confirm power, current, and thrust expectations before you build.
