Prezentace aplikace PowerPoint

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Dragonfly
Gymnasium Eliky Krásnohorské Ohradní 55 2005
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Task
Propose a model of how a dragonfly flies.
Investigate the major parameters and validate
your model.
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Conditions

• 4 large membrane wings
• tiny and light body

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Wings movement

• several axes
• every wing can move independent of the others
• vertical as well horizontal and circle (movement)
• twisting of the wing (supination/pronation)

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Other parameters of flight

• body neednt to be at the direction of the flight
• movable tail
• great co-ordinate systém
• turning movement around centre of gravity

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How dragonfly flies

• differen types of flapping different ways of
  flying
• counter-stroking
• phased-stroking
• synchronised-stroking
• gliding
• stall