How the world’s first solid-state aircraft used ‘ionic wind’ to fly

Engine contains an array of high voltage electrodes

1

Each electrode is comprised of a thin wire which carries a high positive charge followed by a negatively charged aerofoil

+20,000 volts

-20,000 volts

Wire

Aerofoil

Nitrogen ions

Atmospheric nitrogen is ionised and the electric field carries these ions from the wire to the aerofoil

2

Collision

Air movement

The ions collide with neutral air molecules and push them behind the aircraft; this ionic wind generates thrust

Ionic wind

Aircraft

movement

The aircraft’s engine contains an array of high voltage electrodes

1

2

Collision

Air movement

Each electrode is comprised of a thin wire which carries a high positive charge followed by a negatively charged aerofoil

+20,000 volts

-20,000 volts

Wire

Aerofoil

The ions collide with neutral air molecules and push them behind the aircraft; this ionic wind generates thrust

Ionic wind

Nitrogen ions

Atmospheric nitrogen is ionised and the electric field carries these ions from the wire to the aerofoil

Aircraft

movement