9-1 - Air Density o o The more dense the air, the more lift...

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Air Density o The more dense the air, the more lift is generated o Air density is a function of Temp Hotter=less dense air Altitude Higher=dense dense Humidity Density decreases with increase humidity Angle of Attack o Angle between relative air stream and chord of wing o It’s the difference where the wing’s pointing and where the plane’s going AOA vs. Airspeed o Lift and Weight must remain in equilibrium o Less airspeed required greater angle of attack. AOA vs weight o Lift and weight must remain equal o An increase in weight requires an increase in AOA o A decrease in weight requires a decrease in AOA AOA vs air density o Less air density requires greater AOA to maintain lift o Higher altitude-higher AOA o Higher humidity-higher AOA
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o Air density decreases as density altitude increases. High density altitude means low density AOA vs load factor o Load factor= lift/weight o When lift and weight are different the aircraft is changing direction of
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9-1 - Air Density o o The more dense the air, the more lift...

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