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Drag. Drag is the force that opposes the forward motion of an aircraft. The two main types of drag are parasite drag and induced drag . Parasite drag is further broken into two types, form drag and skin friction. Level Two 414.03. OHP # 1. Parasite Drag.

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slide1
Drag
  • Drag is the force that opposes the forward motion of an aircraft.
  • The two main types of drag are parasite drag and induced drag.
  • Parasite drag is further broken into two types, form drag and skin friction.

Level Two 414.03

OHP # 1

parasite drag
Parasite Drag
  • Parasite drag is the drag produced by those parts of the aircraft that do not contribute to the production of lift.
  • Form drag refers to the drag created by the form or shape of a body as it resists motion through the air.
  • Skin friction refers to the tendency of air flowing over a body to cling to its surface.

Level Two 414.03

OHP # 2

induced drag
Induced Drag
  • Induced drag is the drag produced by those parts of the aircraft that are active in the production of lift.
  • It is the result of the wing’s work and therefore a part of lift and can never be eliminated.

Level Two 414.03

OHP # 3

slide4

Types of Drag

FUSELAGE FORM

AND SKIN DRAG

WING-

INDUCED DRAG

WING

FORM DRAG

Level Two 414.03

OHP # 1