Principles of Flight - QT

Lesson Quicktakes cover the items that should be memorized from each of the wifiCFI Lessons. They do not cover all of the lesson details in-depth.


FOUR FORCES OF FLIGHT:

Lift

Weight

Thrust

Drag


LEFT TURNING TENDENCIES:

P-Factor

Torque

Gyroscopic Precession

Spiraling Slipstream


PRODUCING LIFT:

Bernoulli’s Principle = An increase in the speed of a fluid (air) is accompanied by a decrease in pressure.


Downwash Principle = Air deflected off the trailing edge of the wing.


TYPES OF DRAG:

Parasite Drag = No way functions in the aid of flight.

Form Drag = Shape of the aircraft.

Interference Drag = Intersections of aircraft components.

Skin Friction Drag = Skin is not perfectly smooth.


Induced Drag = It is a by-product of lift.


WINGTIP VORTICES:


WAKE TURBULENCE:

Avoidance on Takeoff = Rotate prior to the preceding aircraft. Stay above preceding aircraft’s flight path or side-step.


Avoidance on Landing = Stay above preceding aircraft’s flight path. Land further down the runway.


LIFT/DRAG RATIO:


GROUND EFFECT:


AIRPLANE AXES:


AIRCRAFT STABILITY:

Static Stability:


Dynamic Stability:


FORCES IN TURNS:


SLIPPING AND SKIDDING TURNS:

Remember to "step on the ball."


ADVERSE YAW:

Remember to "step on the ball."


LOAD FACTOR:


THE VG DIAGRAM:


VA (MANEUVERING SPEED)

Below Va Speed = The aircraft will stall.

Above Va Speed = The aircraft may suffer structural damage.

Heavier Aircraft = Awarded a Higher Maneuvering Speed.

Lighter Aircraft = Suffer a Lower Maneuvering Speed.

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