Advanced Motor 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

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)
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

Allient brings decades of engineering expertise and high-volume U.S. manufacturing to the forefront of drone propulsion. We are expanding our robust technology foundation to deliver advanced motion and power solutions for unmanned aerial systems (UAS), starting with COTS propulsion motors and extending to ESCs, gimbals, propellers, and mission-ready kits. Designed, built, and supported in the USA, our components meet the demanding standards of defense applications. What sets us apart is not only the performance and availability of our products, but our ability to customize and optimize them to meet the unique requirements for the market, including military drone platforms.

At Allient, we offer more than parts. We deliver confidence in CONNECTING what matters.

quadcopter type VTOL drones

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 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