3 ms·
? Why do these modern electric helicopters have many small rotors, but traditional helicopters have only one big horizontal rotor? If many small rotors is more
by mandeepj 3y ago
? Why do these modern electric helicopters have many small rotors, but traditional helicopters have only one big horizontal rotor? If many small rotors is more efficient
so that it can easily maneuver around skyscrappers while beating city traffic and picking their customers