Overview
The FLASHHOBBY K2004 V2 Brushless Motor is an upgraded high-performance motor designed for 3-5 inch FPV freestyle and cinewhoop drones. With KV options including 1750KV, 1900KV, 2100KV, and 3150KV, this motor series supports 3–6S LiPo batteries, making it suitable for both cruising and aggressive freestyle flight.
Whether you're building a cinematic cinewhoop or a high-thrust racing quad, K2004 V2 delivers class-leading thrust, smooth control, and durability.
Key Features
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Multiple KV Options:
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1750KV – Balanced for smooth cruising with 3.5–5 inch props
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1900KV – Powerful for 4”–5” mid-range cinewhoop setups
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2100KV – High thrust for 4–5” freestyle racing
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3150KV – Max performance for ultra-agile 3”–4” drones
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High Thrust Output:
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Up to 945g of thrust (2100KV @ 100% throttle, HQ5030)
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Up to 1125g of thrust (1750KV @ 100% throttle, HQ5030)
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Peak Performance Specs:
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Max Power: 447.7W (3150KV)
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Peak Current: 28.45A
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Max Efficiency: Up to 5.45g/W (1750KV @ 50%)
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Optimized Design:
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Standard 3mm shaft diameter
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Durable 12N14P configuration
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Excellent cooling and thermal stability (46.8–79°C during stress tests)
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Technical Specifications
| KV Variant | Voltage (LiPo) | Max Power | Max Thrust | Idle Current | Weight | Internal Resistance | Dimensions | Peak Current |
|---|---|---|---|---|---|---|---|---|
| 1750KV | 3-6S | 226.8W | 1125g | 0.44A @ 10V | 18.3g | 0.252Ω | Φ25.64×12.5mm | 15.62A |
| 1900KV | 3-6S | 365W | 862g | 0.51A @ 10V | 17.4g | 0.220Ω | Φ25.64×12.5mm | 15.3A |
| 2100KV | 3-6S | 425W | 945g | 0.54A @ 10V | 17.9g | 0.185Ω | Φ25.64×12.5mm | 17.7A |
| 3150KV | 3-6S | 447.7W | 913g | 1.07A @ 10V | 18.2g | 0.183Ω | Φ25.64×12.5mm | 28.45A |
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Motor Cable: 24AWG 113mm
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Mounting: 4 × M2, 5mm pitch
Test Propeller Compatibility
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HQ5030
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GF6026
(Based on lab test results for thrust, efficiency, and temperature)
Package Options
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1 × FLASHHOBBY K2004 V2 Brushless Motor (Select KV)
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or
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4 × FLASHHOBBY K2004 V2 Brushless Motors (Select KV)

K2004 brushless motor specs: KV1750-3150, 25.64x12.5mm size, 3mm shaft, 24#AWG cable, 0.44A-1.07A idle current, 226.8W-447.7W max power, 772g-913g max pull, 18.3g-18.2g weight, 0.252Ω-0.183Ω resistance, 12N14P config, 3-6S voltage, 11.08A-28.45A peak current.

K2004 Brushless Motor technical data includes throttle, volts, amps, watts, thrust, efficiency, and operating temperature for various KV ratings. Detailed performance metrics at different throttle levels are provided.

K2004 Brushless Motor data includes voltage, current, power, thrust, efficiency, and temperature. Metrics vary by model and throttle settings, showing performance under different conditions.

K2004 Brushless Motor includes 6082 aluminum bell, NSK bearing, 12N14P high torque, and 1750KV/1900KV options.

K2004 Brushless Motor: 18.3g, 12N14P, 48SH Magnets, NSK693 bearing, cable: 140mmL. Compact design, detailed components.

K2004 Brushless Motor with 2100KV, 3150KV options, 48SH magnets, and high-temperature resistant copper wire winding.

K2004 Brushless Motor, professional manufacturer, race edition, with packaging and screws.









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