Spoiler

Definition

A flat plate that rises from the upper wing surface to disrupt airflow and reduce lift. Used for roll control in flight, speed braking, and as ground spoilers for lift dump after landing.

Related Terms

Lift

The aerodynamic force perpendicular to the relative wind generated by an airfoil...

Drag

The aerodynamic force opposing the motion of an aircraft through the air. Drag h...

Speed Brake

Flight control surfaces or devices deployed to increase drag and reduce speed wi...

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