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Inflatable Wing Canopy

Two sewn fabric layers form a row of cells. Air entering the front openings fills the cells, and the curved wing turns airflow downward to create upward lift.

In the picture

  1. Front opening where air enters.
  2. Internal cell between the fabric layers.
  3. Upper curved fabric skin.
  4. Lower fabric skin near the rear seam.

Examples

  • Paraglider wing
  • Kiteboarding kite

Quiz: Inflatable Wing Canopy (Age 15)

  1. How does an inflatable wing canopy produce upward lift?

    • The curved wing turns incoming airflow downward.
    • The inflated cells make the canopy lighter than the surrounding air.
    • The fabric layers push the pilot upward like a spring.
  2. What gives an inflatable wing canopy its wing shape?

    • Air fills internal cells formed by two sewn fabric layers.
    • A rigid metal frame holds the fabric layers apart.
    • The lower fabric skin is sealed and filled with helium.
  3. Where does the air that inflates the cells enter?

    • Through openings at the front of the wing.
    • Through a valve connected to the pilot’s harness.
    • Through holes along the rear seam.

The answers, each with its explanation, are in the app. This lesson has left the free week, so its quiz is part of the subscription.

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Technology, Age 15