Advanced Motor & Motion Solutions for Drone/UAV/UAS Systems

Mission-ready propulsion and motion systems engineered for UAV, aerospace, and defense platforms with demanding performance and integration requirements.

✓ Made in the USA

✓ High Power density, low weight & thermal efficiency

✓ Custom and standard motors

Download our Engineering Guide to Drone Motors
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Allient outer rotor motors for drones (UAV/UAS) with copper windings, lightweight high-torque design.
https://allient.com/wp-content/uploads/2025/12/Allient_Outer-Rotor-Motors_Drone-Motors_03.webp
Motors for Drones: Allient outer rotor UAV/UAS motor close-up with copper windings

UAV Motor & Drive Capabilities

  • Minimized weight, high efficacy and high torque Motors from 43mm to 148mm in diameter with rugged and reliable bearing designs based on proven Allient motors made globally
  • Motor winding options from 3Strand to 12Strand and optimized cooling for thrust applications
  • Designed with or without electronic drive and control capabilities
  • Lightweighting technology with superior weight-to-strength ratios, no weld joints or seams, and embedded
  • EMI shielding while supporting extreme environmental conditions, including defense applications
  • Efficient and lightweight drive electronics with sensorless- and sensored-FOC manufactured in the USA, enabling longer flight times and quieter operation
  • Intelligent diagnostics, including voltage, current, temperature, vibration, throttle-loss, and battery current
  • High-performance autopilot communication, including
  • DroneCAN, Ardupilot, Piccolo, Veronte, and Single Pair Ethernet (SPE)

Vyxalon™ Series Motors for Drones, UAV, UAS

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Allient outer rotor motors for drones (UAV/UAS) with copper windings, lightweight high-torque design.

  • Motor Stator Sizes
    3115, 4014, 5008, 6007, 8110
  • KV
    100 - 1,050
  • Peak Thrust (kg)
    2.6 - 12

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Vyxalon™ Apex Drone Drive

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Drone drive electronic speed controller (ESC)

  • Operating Temperature (ºC)
    -30 - 85
  • Rated Current (ADC)
    60
  • Communication Type
    DroneCAN, Dshot

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Whitepaper - An Engineering Guide to Motors for Drone Systems

New Whitepaper: An Engineering Guide to Motors for Drone Systems

Everything you need to select the right motor for your drone application, including:

✓ Motor topologies used in drone systems
✓ Thermal design under airflow conditions
✓ Thrust-to-weight trade-offs
✓ Mission-profile-based motor selection
✓ Practical engineering checklist

Download Whitepaper
allient-defense-logo

Allient Defense brings decades of engineering expertise and high-volume U.S. manufacturing to the forefront of military UAS development. Building on a strong track record supporting defense programmes, we deliver propulsion, motion and power solutions ranging from COTS propulsion motors and ESCs to gimbals, propellers and mission-ready kits.

What sets us apart is not only the performance and availability of our technologies, but our ability to work alongside customers to customise and optimise solutions for the demanding requirements of modern military platforms.

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Watch video interview with Steve Warzala, President of Allient Derfense, to learn how drone programs are being built for scale and longevity.

Selecting Motors Based on Mission Profile

Motor requirements in drone systems are driven by the mission profile. UAV platforms differ significantly in payload, flight duration, duty cycle, and operating environment, and no single motor architecture meets every application need.

As a result, motor performance must be evaluated under real operating conditions, including sustained load, available airflow for cooling, and thermal limits, rather than nominal ratings alone.

Common UAV Mission Profiles Include:

  • Endurance-focused platforms, where efficiency and sustained operation under partial load determine flight time and range
  • Lift-oriented platforms, where thrust capability, torque density, and thermal headroom are prioritized for hover and vertical lift
  • Precision payload and gimbal systems, where smooth torque output, low cogging, and dynamic response are critical

Each mission profile places different demands on motor architecture, winding configuration, cooling strategy, and control approach.

Allient outer rotor motors for drones (UAV/UAS) with copper windings, lightweight high-torque design.
Top-down view of Allient SA Series frameless axial flux motor stator and rotor components, featuring a slotless copper coil ring and segmented magnetic rotor—designed for compact, smooth, direct-drive precision motion in imaging and automation systems
LSI Series Slotless Motor – High-performance brushless motor designed for precision applications, offering smooth operation and superior efficiency.

Allient produces over 5 million motors every year delivering proven expertise and unmatched reliability.

Drone Motor Engineering Checklist

Designing or specifying motors for UAV applications requires evaluating multiple interdependent factors beyond torque or power ratings. At a minimum, engineers should consider:

☐ Mission profile, including hover-dominant, endurance, high-speed, and heavy-lift operation

☐ Thrust-to-weight requirements, including motor self-weight

☐ Available airflow for thermal management during operation

☐ Efficiency at the actual operating point, not peak values

☐ Propeller size and speed range

☐ Environmental exposure, including vibration, dust, moisture, and shock

☐ Operational lifetime and performance repeatability

☐ Regulatory and supply-chain requirements, particularly for defense programs

Discuss your project with an engineer today