The rotor was very loud and moved a lot of air, but it was how the what was able to lift straight up?\nOptions:\n- electric motor\n- jet engine\n- rotator\n- train\n- helicopter
Let's be accurate as possible and think first.
helicopter
Rotor is a component of a helicopter.

Rotor helps the helicopter to lift straight up.

Rotor creates noise and moves a lot of air.

.

The final answer: helicopter