Tag Archives: Drag

CFI Brief: Knowledge Test Questions, Stalls & Spins

As the angle of attack is increased (to increase lift), air will no longer flow smoothly over the upper wing surface but instead will become turbulent or “burble” near the trailing edge. A further increase in the angle of attack will cause the turbulent area to expand forward. At an angle of attack of approximately […]

Aerodynamics: The Four Forces Part 2

This is the second part of this two part series on the four forces of flight, where we’ll introduce thrust and drag. You can find our intro to lift and weight here. William Kershner‘s The Student Pilot’s Flight Manual by will explain thrust and drag: Thrust Thrust is furnished by a propeller or jet. The […]

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