This is the blog of Osipova Natalya Evgenyevna. The target of the blog is to help my pupils and their parents with learning English. Цель блога помочь ученикам и их родителям в изучении английского языка, а также поделиться своими наработками с коллегами.

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понедельник, 11 апреля 2011 г.

NASA AT 50 1961: Flexible Wing Design Used for Hang Gliders

Introduces Francis Rogallo, a NASA engineer whose design for the flexible wing became the basis for modern hang gliding. The program details how Rogallo designed the flexible wing for the Gemini and Apollo space programs. Although NASA did not ultimately use the design, the flexible wing's low cost and simple construction allowed flying to become a recreational sport.
Target Vocabulary*
aerodynamics - a branch of dynamics that deals with the motion of air and other gaseous fluids and with the forces acting on bodies in motion relative to such fluids
aviation - the operation of heavier-than-air aircraft
drag - something that retards motion, action, or advancement

Answer the questions:
Describe the flexible wing. How is it different from a parachute?
How did NASA intend to use the flexible wing?
Where was most of the inventing for the flexible wing done?
What materials were used?
How did this invention change aviation?

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