Private Pilot Lessons - hatcheraviation

Private Pilot Study Guide pilots Handbook of Aeronautical Knowledge Airplane Flying Hand Book AIM. FARs -2- AERODYNAMICS. Four Forces Of Flight in constant airspeed constant direction or straight-and-level flight, lift equals weight, and thrust equals drag. Phak 3-1. 1. Lift, 3-6. 2. Weight, 3-5. 3. Thrust 3-2. 4. Drag: 3-3 acts parallel to and in the same direction as the relative wind Parasite Drag 3-3: is the resistance of the air produced by any part of the airplane that does not produce lift. Parasite drag is proportional to the square of airspeed The more streamlined an object, the LESS parasite drag The more dense the air, the GREATER parasite drag Form Drag: is the frontal area of the airplane exposed to the airstream. Skin Friction Drag: caused by air passing over the surface. increases if rough and dirty Interference Drag: caused by interference of the airflow between adjacent parts of the airplane.

- 3 - • Maneuverability: 3-10 an aircraft that readily permits changes in pitch roll and yaw and direction while withstanding the resulting stresses imposed on it, is considered to be Maneuverable. • Controllability: 3-10 the capability of an aircraft to respond to the pilots inputs, especially with regard to flight path and altitude.

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