Helicopters fly by using an engine to spin rotor blades, which create lift and thrust by pushing air away, similarly to a bird flapping itsβ¦
The Ingenuity helicopter on Mars. (Image credit: NASA)
Helicopters fly by using an engine to spin rotor blades, which create lift and thrust by pushing air away, similarly to a bird flapping its win⦠[+6076 chars]
Helicopters fly by using an engine to spin rotor blades, which create lift and thrust by pushing air away, similarly to a bird flapping its win⦠[+6076 chars]