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Birds balloons and blimps
Primitive gliders hang gliders
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aerospace education aileron aircraft airliner airplane Fig airships altitude astronaut Aviation and Space Aviation Education avión balsa wood Bernoulli's principle bird blimps body build Cessna checklist control surfaces Dawn Ragain drag earth edge elevator elevons engine envelope experiment Experimental Aircraft Association faster feet fins fishing line flaps flies flight Fold force fuel fuselage glide ratio glue glued gravity hang glider helicopter horizontal stabilizer hot-air balloon igniter inches Information inside kite landing LAUNCH LUG lift liquid nitrogen look Mach machine miles Millspaugh model rocket moves NASP nose cone orbiter ornithopter oxygen P.O. Box panel paper airplane parachute payload piece pilot plane propeller relative wind rubber band rudder runway safety sailplane Scott Crossfield shock cord shuttle space suit spacecraft speed of sound styrofoam tail takeoff tape taxi teachers tube vertical stabilizer vuelo Washington wing Wright brothers