magni350 direct-drive electric aircraft motor

The magni350 is a direct-drive electric aircraft motor from magniX, a liquid-cooled electric propulsion unit (EPU) for fixed-wing aircraft. It delivers shaft power to a propeller without a gearbox and can be supplied as a standalone motor or integrated into a magniX powertrain.

The motor is rated for 165 kW continuous power and 350 kW peak power, which is about 450 shaft horsepower, with a torque class of about 1,600 N·m. Continuous power sets the sustained cruise and climb capability a battery or generator must feed, while peak power covers takeoff and short high-load phases. Rated speed is 2,300 rpm and the maker states the motor operates at 2,300 rpm or less, a propeller-compatible speed that avoids reduction gearing.

The supply voltage range is 500 to 850 V DC, so the aircraft electrical system or battery pack must work in the high-voltage class. The motor is paired with a magniDrive inverter and controller; the maker describes the magniDrive-100 as a 170 kW inverter and motor controller power electronics unit shared across its EPU family.

Mass is 92.3 kg. Dimensions are 550 mm in height and 675 mm in diameter, and the motor is cooled by liquid, so the installation needs a coolant loop with a heat exchanger sized for the losses. The motor is designed for operation to 30,000 ft in unpressurized environments.

For integration, the motor can drive a propeller governor and standard aircraft accessories from its front cone. It shares a common core architecture with the larger magni650 unit, which allows a family approach to aircraft with different power needs.

Typical applications are electric and hybrid-electric fixed-wing aircraft in the regional, utility and cargo classes, as well as large unmanned aircraft that need a few hundred kilowatts of propulsion power and a high-voltage direct-drive motor.