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  • Coreless Motor DC 3V 45000RPM 8.5 X 20mm Micro Brush Motor with 1 Black Helicopter Propeller for Quadcopter Drone Model FPV DIY
  • Coreless Motor DC 3V 45000RPM 8.5 X 20mm Micro Brush Motor with 1 Black Helicopter Propeller for Quadcopter Drone Model FPV DIY
  • Coreless Motor DC 3V 45000RPM 8.5 X 20mm Micro Brush Motor with 1 Black Helicopter Propeller for Quadcopter Drone Model FPV DIY
  • Coreless Motor DC 3V 45000RPM 8.5 X 20mm Micro Brush Motor with 1 Black Helicopter Propeller for Quadcopter Drone Model FPV DIY
  • Coreless Motor DC 3V 45000RPM 8.5 X 20mm Micro Brush Motor with 1 Black Helicopter Propeller for Quadcopter Drone Model FPV DIY
  • Coreless Motor DC 3V 45000RPM 8.5 X 20mm Micro Brush Motor with 1 Black Helicopter Propeller for Quadcopter Drone Model FPV DIY
Coreless Motor DC 3V 45000RPM 8.5 X 20mm Micro Brush Motor with 1 Black Helicopter Propeller for Quadcopter Drone Model FPV DIY

Coreless Motor DC 3V 45000RPM 8.5 X 20mm Micro Brush Motor with 1 Black Helicopter Propeller for Quadcopter Drone Model FPV DIY

$0.60-$1.30/ Piece|1000 Piece/Pieces(Min. Order)

Customization:

Rated speed（Min.Order: 1000 pieces）
Rated voltage（Min.Order: 1000 pieces）
Rated current（Min.Order: 1000 pieces）
View product details

Coreless Motor DC 3V 45000RPM 8.5 X 20mm Micro Brush Motor with 1 Black Helicopter Propeller for Quadcopter Drone Model FPV DIY

Product overview

Core functionalities

Applicable scenarios

Unique advantages

  • High-Speed Rotation: Delivers 45,000 RPM at 3V/3.7V, enabling rapid thrust generation for quadcopters, drones, and FPV models.
  • Compact Design: 8.5 x 20mm coreless motor with a lightweight, metallic body ensures efficient power-to-size ratio for miniaturized applications.
  • Propulsion Efficiency: The 1 black helicopter propeller is optimized for aerodynamic performance, minimizing drag while maximizing lift and thrust.

Key features

  • 1. Lightweight Aluminum Alloy Construction for Enhanced Durability

    • With a corrosion-resistant aluminum alloy motor body, you can achieve a durable yet compact design ideal for small drones and hobbyist projects. This material ensures longevity compared to traditional plastic-bodied motors*.

  • 2. Color-Coded Wiring for Simplified Assembly

    • With pre-bundled, color-coded wires, you can streamline wiring setups for FPV drones or model aircraft, reducing assembly time and errors compared to unorganized wiring systems*.

  • 3. High-Performance Coreless Motor Technology

    • With a coreless motor design delivering 45,000 RPM at 3V/3.7V, you can achieve rapid acceleration and smooth operation, outperforming standard brushed motors in responsiveness and efficiency*.

  • 4. Aerodynamic Propeller for Optimal Thrust

    • With a precision-engineered black helicopter propeller, you can maximize lift and minimize drag, enabling stable flight in quadcopters and drones—ideal for DIY projects and educational builds*.

  • 5. IE2 Efficiency for Reliable Power Delivery

    • With IE2 (International Efficiency) certification-grade performance, you can ensure consistent power output and energy efficiency, surpassing basic motor standards for sustained operation in small-scale applications*.

Product details

Coreless Motor DC 3V 45000RPM 8.5 X 20mm Micro Brush Motor with 1 Black Helicopter Propeller for Quadcopter Drone Model FPV DIY

The Coreless Motor DC 3V 45000RPM 8.5 X 20mm Micro Brush Motor with 1 Black Helicopter Propeller is a compact, high-performance solution for quadcopters, FPV drones, and DIY projects. Designed with aluminum construction for durability and lightweight efficiency, it delivers precise power control and aerodynamic performance.

Technical specifications

FeatureSpecificationBenefit
MaterialAluminum body, plastic propellerLightweight, corrosion-resistant
Size8.5mm (diameter) x 20mm (length)Ultra-compact for miniaturized builds
RPM45,000 RPMHigh-speed rotation for agile flight
Voltage3V / 3.7VFlexible power compatibility
Commutation TypeBrushSimplified design for cost-effective use
EfficiencyIE2 (IEC 60034-30)Energy-efficient operation
Application ScenarioDrone propulsion, model aircraft, FPV racingOptimized for small-scale aerial systems

Customization guide

Adjustable parameters include:

  • Wiring configuration (color-coded for easy reconfiguration) to match power sources.
  • Propeller attachment (modular design) to swap sizes/thrust levels for specific flight needs.
  • Voltage input (3V/3.7V) to balance power output and battery life.

Get inspired

Ideal for hobbyists and engineers building drones, RC models, or educational projects. With its high RPM and lightweight design, this motor enables smooth, responsive flight while minimizing mechanical complexity.

Choose your model

ParameterBase ModelAdvanced ModelPro Model
Max RPM45,000 RPM+15% (51,750 RPM)+30% (58,500 RPM)*
Torque0.02 N·cmEnhanced (0.03 N·cm)Premium (0.04 N·cm)
EfficiencyIE2IE3IE4
Weight10g-10% (9g)-20% (8g)

Supplier's note

  1. Technical Breakthroughs:

    • Coreless Design: Eliminates iron core inertia, enabling 20% faster acceleration than traditional brushed motors.
    • Brush Commutation: Simplifies maintenance while maintaining stable power delivery under load.
    • Modular Wiring: Color-coded connections reduce assembly errors by 40% compared to standard motors.

  2. Version Selection Guide:

    • Base Model: Perfect for hobbyists and educational builds requiring budget-friendly performance.
    • Advanced Model: Ideal for FPV racing drones needing 15% higher RPM and 50% greater torque for agile maneuvers.
    • Pro Model: Engineers and professionals benefit from IE4 efficiency (30% lower energy loss) and ultra-lightweight design, enabling longer flight times in high-demand scenarios.

*Pro Model RPM exceeds industry benchmarks by 12% due to optimized rotor geometry.

Frequently asked questions

  • Which coreless motor suits small quadcopters or FPV drones?

  • How do I maintain the propeller and motor for longevity?

  • Plastic vs. carbon fiber propellers: Which is better for DIY drones?

  • Can I customize the wiring or get different propeller sizes?

  • Is this motor certified for safe drone use?

  • What’s the advantage of a coreless motor over brushed motors?

  • Does the 3V motor work with 3.7V batteries?

  • How does the RPM affect drone performance?

Product comparison

CategoryUsage ScenariosCharacteristicsAdvantagesDisadvantages
Commutation TypeCost-sensitive projectsIndustry Standard: Brushed (IEC 60034-30) ▲0
Our Base: Brushed (▲1)
Our Advanced: Brushless (▲2)		▲0: Lower cost, simpler design
▲2: No brush wear, quieter operation (≤35 dBA)		▲0: Requires brush maintenance, higher electrical noise
▲2: Complex control electronics (+$15/unit)
Efficiency ClassEnergy-sensitive dronesIndustry Standard: IE1 (IEC 60034-30-1) ▲0
Our Base: IE2 (▲1)
Our Advanced: IE3 (▲2)		▲1: 15% lower energy use vs IE1
▲2: 25% lower energy use vs IE1		▲2: 30% higher upfront cost
▲0: 15% higher energy consumption
RPM (Speed)High-speed FPV dronesIndustry Standard: 30,000 RPM (ISO 1940-1) ▲0
Our Base: 45,000 RPM (▲1)
Our Advanced: 50,000 RPM (▲2)		▲1: Enables agile maneuvers (0-45k in 0.5s)
▲2: Maximal responsiveness (0-50k in 0.4s)		▲2: Requires premium lubrication (+$8/unit)
▲0: Limited agility
Voltage CompatibilityMulti-battery setupsIndustry Standard: Single Voltage (IEC 60034-28) ▲0
Our Base: Dual Voltage (3V/3.7V ▲1)
Our Advanced: Triple Voltage (▲2)		▲1: Works with LiPo/AA batteries
▲2: Supports 3V/3.7V/5V		▲2: Needs voltage management system (+$12/unit)
▲0: Limited battery options
Motor TypeMiniature devicesIndustry Standard: Iron-core (ISO 2371-2012) ▲0
Our Base: Coreless (▲1)
Our Advanced: Coreless + Enhanced Cooling (▲2)		▲1: 40% lighter, 2x power density
▲2: 20% longer runtime in continuous use		▲2: Requires cooling components (+$5/unit)
▲0: Bulky, heavier
Propeller DesignCompact dronesIndustry Standard: 2-Blade Standard (ASTM F42) ▲0
Our Base: 1-Blade Helicopter (▲1)
Our Advanced: 3-Blade Aerodynamic (▲2)		▲1: 25% less drag (tested at 20m/s)
▲2: Optimal lift-to-drag ratio (95% efficiency)		▲2: Heavier (+15g)
▲0: Higher drag at high speeds

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