Think of it like a propeller plane: the prop is enough to pull the thing forward but it doesn't generate more thrust than the weight of the plane (thrust gener

Think of it like a propeller plane: the prop is enough to pull the thing forward but it doesn't generate more thrust than the weight of the plane (thrust generated by the prop + the lift generated by the wings gets the plane in the air) all of this attempting to have the prop helicopter the plane in the air is called a 'stall