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courses:207a:aerodynamics [2019/02/20 16:33] evan [Drag] |
courses:207a:aerodynamics [2019/02/20 17:48] (current) evan [Forces During Turns] |
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| ==== Lift/Drag Ratios ==== | ==== Lift/Drag Ratios ==== | ||
| The lift-to-drag ratio is the lift required for level flight (weight) divided by the drag produced at the airspeed and angle of attack required to produce that lift. The L/D ratio for a particular angle of attack is equal to the power-off glide ratio. | The lift-to-drag ratio is the lift required for level flight (weight) divided by the drag produced at the airspeed and angle of attack required to produce that lift. The L/D ratio for a particular angle of attack is equal to the power-off glide ratio. | ||
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| + | {{ :courses:207a:faa-com-fig3.jpg?nolink&400 |}} | ||
| Problem: Refer to FAA Figure 3. If an airplane glides at an angle of attack of 10°, how much altitude will it lose in 1 mile? | Problem: Refer to FAA Figure 3. If an airplane glides at an angle of attack of 10°, how much altitude will it lose in 1 mile? | ||
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| ===== Forces During Turns ===== | ===== Forces During Turns ===== | ||
| + | {{ :courses:207a:turn_load_factors.jpg?400 |}} | ||
| ===== Forces During Climbs/Descents ===== | ===== Forces During Climbs/Descents ===== | ||
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| + | {{ :courses:207a:effects_of_cg.jpg?nolink&600 |}} | ||