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71 Cards in this Set
- Front
- Back
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Max Rate of Climb
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Most altitude gained in least time
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Max angle of climb
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Most altitude in least distance
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Best Glide speed
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Airspeed that gives max power - off range
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Max Range
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Max distance for set amount of fuel
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Max endurance
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max time airborne for set amount of fuel
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Propeller torque
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Roll opposite propeller rotation
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Slipstream swirl
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Yaw resulting from prop. airflow past rudder
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P - Factor
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Yaw resulting from asymmetric propeller thrust
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Load Factor
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Load/Weight
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Limit Load Factor
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Max load without damage
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Ultimate load factor
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Max load without failure
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Maneuvering speed
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cornering velocity - max speed where abrupt control inputs will not cause damage
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Asymmetric G's
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Ailerons or Rudder deflected while pulling G's
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Static Stability
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Tendency to move toward or away from initial state
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Dynamic Stability
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When disturbed from straight and level flight, the forces that restore the original condition of straight and level
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Sideslip angle
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angle between longitudinal axis and flight path
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PIO - Pilot induced Oscillations
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Pilot and longitudinal stability correcting for oscillations simultaneously. - Over correcting
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Vector
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quantity of magnitude & Direction
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Force
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Push or pull exerted on a body
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Mass
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Quantity of molecular material
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Volume
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amount of space occupied
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Density
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Mass/Volume
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Weight
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Force toward the earth on a mass
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Moment
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Force applied a distance from a fulcrum
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Work
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done when a force moves a body
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Power
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work/time
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Energy
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capacity to do work
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Potential Energy
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energy of position or state
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Kinetic Energy
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energy of motion
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True altitude
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actual height above MSL
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Pressure altitude
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height above standard datum plane - 29.92
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Density altitude
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pressure altitude corrected for temperature
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Indicated airspeed
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airspeed read from ASI
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Calibrated airspeed
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IAS corrected for instrument error
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Equivalent airspeed
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CAS corrected for compressibility - significant approaching speed of sound
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True Airspeed
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velocity through airmass
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Groundspeed
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TAS corrected for winds
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Wingspan
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length wingtip to wingtip
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Chordline
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infinite line through leading and trailing edges
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Chord
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width of wing
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Tip chord
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width at tip
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Root Chord
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width at root
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Average Chord
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average of all chords
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Wing area
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wingspan * average chord
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Taper
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Reduction in chord from root to tip
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Sweep angle
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angle between leading edge and latera axis
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Aspect ratio
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wingspan/average chord
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Wing loading
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Weight/wing area
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Angle of Incidence
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angle between chordline and longitudinal axis
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Dihedral angle
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upward slope of wing viewed from front
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Pitch attitude
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angle between longitudnal axis and horizon
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Flight path
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path through air
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Relative wind
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airflow experienced by aircraft/airfoil
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angle of attack
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angle between relative wind and the chordline
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Mean camber line
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line halfway between airfoil upper & lower surface
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Symmetric airfoil
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mean camber and chordline equal
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Aerodynamic center
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point on chordline where changes in aerodynamic forces take place
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Spanwise/chordwise flow
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Paralles to leading edge/Perpindicular to leading edge - produces lift
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Form Drag
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The difference between static pressures of the leading and trailing edges
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Friction Drag
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Turbulent airflow in boundary layer
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Interference Drag
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Mixing airflows between aircraft components
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Induced Drag
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Bi product of Lift. - Drag created by lift
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Shaft horsepower
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engine output
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Thrust horsepower
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Propeller output
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Thrust Required
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thrust needed to overcome Drag - Tr
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Power Required
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power needed to produce Tr-Pr
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Excess thrust
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When Ta is greater than Tr
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Excess Power
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When Pa is greater than Pr
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Dynamic Pressure
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pressure caused by movement
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Static Pressure
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Pressure from weight of air
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Total Pressure
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Dynamic + Static pressure
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