helicopter is tools transport digerakan by rotor and have the ability to land and fly vertically. helicopter can also move back and forth in the air, in addition helicopter have the ability to float in the air. because the ability to this helicopter many utilized for a variety of interest..
helicopter get the power to move from the rotor spinning. rotor helicopters has the form of aerofoil similar to the Wings on aircraft..
helicopter has a unique ability when the air. here's how helicopter fly. every propeller Heli has the form of aerofoil similar to the Wings on aircraft
