Overview
The VCI SPARK 2306.5 brushless motor is offered in two KV options (1950KV or 2800KV) for FPV quadcopter builds. It uses a 5mm (M5) shaft, 4x M3 mounting pattern, and 20AWG motor leads.
Key Features
- Available KV options: 1950KV or 2800KV
- 12S14P configuration with N52SH arc magnets
- M5 shaft and 4x M3 equally spaced mounting holes (16mm pattern)
- 20AWG silicone wire, 150mm lead length
Specifications
Mechanical (common)
| Motor size | Dia 28.7mm x 31.9mm |
| Stator size | Dia 23mm x 6.5mm |
| Shaft diameter | M5 |
| Shaft length | 13mm |
| Mounting | 4x M3, 16mm pattern (equally spaced) |
| Wire | 20AWG silicone wire, 150mm |
| Configuration | 12S14P |
| Magnets | N52SH arc |
Electrical (by KV option)
| Parameter | SPARK 2306.5-1950KV | SPARK 2306.5-2800KV |
|---|---|---|
| KV | 1950KV | 2800KV |
| Internal resistance | 60 mOhm | 35 mOhm |
| Rated voltage | 6S (24V) | 4S (16V) |
| Peak current | 41.24A | 52.78A |
| Idle current (10V) | 1.0A | 1.5A |
| Max instantaneous power | 989.76W | 844.48W |
| Weight (incl. cable) | 32.2g | 32.6g |
Test Data Highlights (static test)
SPARK 2306.5-1950KV @ 24V
- GF F3-3 @ 100%: 37.02A, 1717g thrust, 888.48W, 28363 RPM, 96C
- GF F4-3 @ 100%: 40.17A, 1742g thrust, 964.08W, 31241 RPM, 105C
- GF 51466-3 @ 100%: 41.24A, 1574g thrust, 989.76W, 30725 RPM, 82C
SPARK 2306.5-2800KV @ 16V
- GF F3-3 @ 100%: 47.11A, 1465g thrust, 753.76W, 29074 RPM, 80C
- GF F4-3 @ 100%: 51.54A, 1558g thrust, 824.64W, 29770 RPM, 88C
- GF 51466-3 @ 100%: 52.78A, 1469g thrust, 844.48W, 29337 RPM, 85C
Notes
- The above test data is obtained by VCI company’s test platform and is for reference.
- Motor temperature is spindle temperature after throttle is tested from 0 to 100 (static test).
For help choosing between 1950KV and 2800KV for your build, contact [email protected] or visit https://rcdrone.top/.
Details

Built for common FPV frames, the 2306.5 layout uses a 16mm 4×M3 mounting pattern, an M5 shaft, and a compact 28.7×31.9mm motor body.

Performance tables compare the 1950KV (6S) and 2800KV (4S) options, including current draw, thrust, RPM, and temperature from static testing.
