Aircraft Design Practice Test: Performance and Flight Mechanics — Flashcards | Aircraft & Aviation | FatSkills

Aircraft Design Practice Test: Performance and Flight Mechanics — Flashcards

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Performance and Flight Mechanics topics include: Steady level flight, steady climbing and descending flight, level turning and gliding flight, energy maneuverability methods, flight mechanics operating envelope, flight mechanics takeoff and landing analysis.

Aircraft performance is a measure of how well an aircraft flies. It includes many factors such as:  Weight, Atmospheric conditions, Pressure, Temperature, Humidity, Runway at takeoff, Density altitude. 

Aircraft performance can include:
Speed
Ceiling
Range
Fuel efficiency
Take-off distance required
Climb rate
Aircraft controllability speeds 

Aircraft performance can be calculated using density altitude. As air density decreases, aircraft performance decreases. 

Flight mechanics of high-performance aircraft includes:
Equations of motion
Aerodynamic forces
Propulsion systems
Descent and glide performance
Cruise performance
Climb 

Flight mechanics can be divided into five broad areas:
Trajectory analysis (performance)
Stability and control
Aircraft sizing
Simulation
Flight testing

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Calculate how much power will require to maintain cruise speed of 120 m/s if thrust required is 1KN. Consider steady level flight.
120KW
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