Baam.Tech gas engine

NW UAV engine

 

NW UAV engine

NW UAV engine

Smaller drones use electric batteries, but this engine from Northwest UAV is designed to power military drones weighing up to 100 pounds. It uses heavy fuels like kerosene and even cooking oil and has multiple 3D-printed elements form sister company NW Rapid Manufacturing.

Published:Caption:Photo:Stephen Shankland/CNET