MAD M90C60 EEE — 45 kW Manned Drone Motor for Heavy-Lift & eVTOL Applications

Overview: The MAD M90C60 EEE is an industrial-grade, high-power brushless motor engineered for heavy-lift multicopters, cargo UAVs, paramotors, and eVTOL / PAV platforms. Designed with aviation-grade materials and precision balancing, it delivers reliable continuous power and high thrust for demanding aerial systems.

Key Features

Continuous power: 45 kW
Recommended propeller: 72" × 31" carbon fiber
Motor weight: 12.7 kg
Aviation-grade 6061-T6 aluminum housing
High-temperature stator varnish rated to 220 °C; magnet temperature rating 180 °C
Imported SKF bearings and precision balancing (rotor balance ≤ 20 mg)
Centrifugal heat dissipation design for improved thermal management
Recommended control: FOC ESC (Field-Oriented Control)

Detailed Specifications

Parameter	Specification
Model	MAD M90C60 EEE V1.0
KV Rating	9 KV
Continuous Power	45 kW
Recommended Propeller	72" × 31" carbon fiber
Typical Continuous Thrust (with 72" × 31")	Approximately 110 kg (single axis)
Motor Weight	12.7 kg
Stator Insulation Rating	Varnished wire rated to 220 °C
Magnet Temperature Rating	180 °C
Housing Material	6061-T6 aviation-grade aluminum
Shaft / Mounting	Shaft Ø 35 mm; Mounting pattern D:140 M8×6; Prop mounting D:75 M8×6
Cable Length	250 mm (extended enameled wires)
Rotor / Motor Balance	Rotor ≤ 20 mg; Motor ≤ 30 mg
Cooling	Centrifugal heat dissipation design

Design & Engineering Highlights

The M90C60 EEE is built to industrial standards: aviation-grade materials for the housing, high-temperature insulating varnish for windings, and precision rotor balancing minimize vibration. High-quality SKF bearings and corrosion-resistant stator construction improve longevity. Thermal management is addressed via a centrifugal dissipation design, which is critical for sustained 45 kW continuous operation.

Recommended Applications

Heavy-lift multicopters & cargo UAVs — payload delivery, logistics, industrial transport
Manned drones / PAV / eVTOL / paramotors — propulsion for light manned craft and prototype PAVs
Research & experimental platforms — university and startup UAV development requiring high power
Emergency response & industrial inspection — heavy payloads such as rescue gear, firefighting equipment, or large sensor suites

Pros & Cons

Strengths

High continuous power and thrust suitable for heavy-lift and manned systems
Aviation-grade materials and thermal design enhance reliability
Precision balancing reduces vibration for safe, stable operation
Clear mechanical and mounting specifications simplify integration

Considerations

At ~12.7 kg, the motor is heavy — requires a robust airframe and mounts
Premium price point — intended for professional, industrial, or experimental projects
System-level demands: suitable ESC (FOC), large props, and a high-capacity power system are required
Integration complexity — best for experienced teams, engineers, or companies

Integration Best Practices

Frame & mount strength: Ensure arms and motor mounts support motor mass and peak thrust loads.
ESC choice: Use a high-current FOC ESC for smooth torque control and efficiency.
Propeller match: Use the recommended 72" × 31" carbon prop or an equivalent certified prop for required thrust and efficiency.
Power system: Plan battery/energy storage for the continuous 45 kW draw (plus safety margin) — consider voltage, C-rating, and thermal factors.
Cooling: Even with centrifugal dissipation, ensure adequate airflow and thermal monitoring during testing.
Safety & redundancy: For manned or critical applications, design redundancy, fail-safe controls, and rigorous test procedures.
Regulatory compliance: Verify local aviation rules and certification requirements when pursuing manned or commercial operations.

Project Ideas & Use Cases

Examples of projects where the M90C60 EEE fits well:

Electric paramotor or powered paraglider prototypes
Heavy-lift cargo drones for industrial logistics or remote delivery
eVTOL demonstrators and personal aerial vehicle prototypes
Research platforms for hybrid VTOL / wing-borne designs

Conclusion

The MAD M90C60 EEE is a specialist motor aimed at professionals building heavy-lift, manned, or industrial UAVs. With 45 kW continuous power, aviation-grade materials, and purpose-built thermal and mechanical features, it provides a robust propulsion foundation for demanding aerial systems. Successful deployment requires system-level design attention — from ESC and prop selection to structural mounts and power systems — but for teams building at this scale, the M90C60 EEE removes a major propulsion hurdle.

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