Features Of Wing Design

How can adding devices to a wing negatively affect the plane?

• Could increase weight

• Makes it look weird

• Make it more mechanically complex

• Could damage the plane

Aircrafts designed to fly slowly typically have ____ airfoils, while aircrafts designed to fly fast have ____ airfoils.

• Thick, Thin

• Thin, Thick

• Weak, Strong

• Strong, Weak

The very thin layer of air lying over the surface of the wing is called the ____

• Laminar Layer

• Boundary Layer

• Chord

• Turbulent layer

Conventional airfoils: generally are the thickest at __ percent of the chord

• 30%

• 50%

• 25%

• 10%

_________ are vertical surfaces attached to the upper surface of the wing.

• Wing Fences

• Airfoils

• Slots

• Slats

____ are moving devices. ____ are built into the wing and do not move

• Slats, Slots

• Slots, Slats

The most common high-lift device found on a wing is the ____.

• Slat

• Airfoil

• Flap

• Slot

Speed breaks are also called:

• Stop

• Dive

• Lift

Spoilers are found on ______ types of gliders

• All

• Some

• Almost no

• Almost all

Speed brakes allow aircraft to ____ ____ without ____ thrust, and to control approach angles.

• Speed up, increasing

• Slow down, increasing

• Slow down, reducing

• Speed up, reducing