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Summary Ace the technical pilot interview

- Gary V Bristow
ISBN-10 0071793860 ISBN-13 9780071793865
133 Flashcards & Notes
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A snapshot of the summary - Ace the technical pilot interview Author: Gary V Bristow ISBN: 9780071793865

  • 1 Aerodynamics

  • Maximum glide range

    Optimal angle of attack and corresponding minimum drag speed (VIMD)

  • 1.1 Forces/Aerofoil Lift Drag weight

  • Effect of weight on glide range

    Does not vary with weight; glide same distance as light a/c but faster

  • Chord line/Chamber line

    Straight line from the leading edge to the trailing edge

    Line from leading edge to trailing edge of equidistance on upper and lower surface

  • what is coefficient of lift

    Lifting ability of a particular wing. Depends on shape/AoA

  • Center of Pressure + movement

    Single point acting on the wingchord at right angles to relative flow through which the wings lifting force is produced

  • Aspect Ration (high/low)

    high: high lift (gliders

    low: lower lift but capable of higher speeds

  • 2 major types of drag

    Profile and Induced

  • minimum drag speed VIMD

    Speed at which induced and profile drag are equal - > best lift to drag ratio

     

  • Maximum endurance (graph)

    best lift to drag ratio: VIMD

  • 1.5 Swept Wing

  • How does swept wing aid the increase in its critical Mach number?

    A swept wing makes the velocity vector normal (perpendicular) to the leading edge a shorter distance than the chordwise resultant. Since the wing is responsive only to the leading edge, the effective chordwise velocity is reduced. (wind persuaded to believe that it is flying slower than it actually is)

    Delays the airflow over the wing from going supersonic. Also thinner wing (chamber) = less profile drag

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