SIFT Army Aviation Practice Test 2025 – Complete Exam Prep

Question: 1 / 400

What happens to lift on the advancing rotor blade as it moves upward?

Lift increases, angles up near the tip due to greater centripetal force.

Lift increases, moves upward.

When the rotor blade moves upward on the advancing side, the angle of attack increases, which generally results in an increase in lift. This behavior is linked to the dynamics of rotor systems, whereby as the rotor blade moves forward and upward through the air, it encounters a relative wind that enhances lift generation.

As the blade moves through its rotation, the advancing rotor blade experiences a higher speed through the air compared to the retreating blade due to its orientation and the direction of flight. This upward movement, combined with the increased speed of the airflow, contributes to a boost in lift.

The lift generated by the rotor increases as the advancing rotor blade moves upward, contributing to overall rotor efficiency and performance. Thus, this option accurately reflects the behavior of the rotor blades in generating lift during their upward motion on the advancing side.

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Lift transitions outward, experiences stronger lateral torque.

None of the above.

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