That is the rotor hub and blades
Well, if you're referring to how a helicopter flies, the rotors on a helicopter are slanted and shaped so that when the rotors spin air slips under the rotor and gets pushed down therefore creating lift.... You need to check your grammar.
In the plenum tube that goes from the air filter box to the intake manifold. It is the only thing plugged into the large rubber tube ontop of the engine.
The Marine corps. It is called Marine one like the airplane by the air force the president uses is called air force one.
The president's helicopter is known as "Marine One", which is generally a Sikorsky VH-60N. You can read more about it at the Navy's website: http://www.navy.mil/navydata/fact_display.asp?cid=1200&tid=900&ct=1
airplane uses wings to aid in glight helis use just the force of air pushed off the groun d
helicopter
An air ambulance helicopter is generally the same as an ordinary helicopter except for the fact that it is equipped to save lives just as a regular ambulance is equipped. Air ambulance helicopters must have the medical supplies necessary to save lives.
The helicopter blades push air down. By Newton's third law, the air pushes the helicopter upward.
Marine One for helicopter and Air Force One for aero
Join the army or air force as a helicopter pilot.
Since air is not inherently flammable, there is no speed at which a helicopter blade would catch the air on fire.
The rotor blades relieve the air pressure from the helicopter forcing it to lift.