It measures electrical potential.

Voltage put out by a device.

Watts put out by a device.

A measurement of speed based on comparisons to the speed of the sound.

The fuel used in engines of flying vehicles

To send something upwards.

A measurement of how far something travels in a set amount of time.

The force exerted by an engine.

Paying a company for the right to use its design.

The amount of fuel carried inside a vehicle.

Vehicles that fly beyond the Earth's atmosphere

Engine that compresses air

The cost of getting a vehicle to fly