EducatorLabs’ Kelly Campbell, sent this site along a while back. It’s a good launching point with several links that relate to the history of flight and specific information on planes, jets and helicopters and how they work.
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The URL: http://www.ellejet.com/jets-planes-and-helicopters-how-do-they-fly.php
Jets, Planes, and Helicopters: How Do They Fly?
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