How do helicopters move back and forward?

-The lift comes from the rotor, which can be angled relative to the fuselage towards the front or the rear, from pilot's input. Have a slight angle forward, and there is part of the lift that is towards the front, acting as thrust. Angle the rotor the other way, and a hovering helicopter will start moving backward.http://science.howstuffworks.com/transpo鈥?/a>