Aeronautics

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Source: Wikipedia. Pages: 126. Chapters: Unpowered aircraft, Hang gliding, Fixed-wing aircraft, Ultralight aviation, Kite types, Powered hang glider, Ultralight trike, Red Tail Project, List of aircraft flown by Eric "Winkle" Brown, Aircraft records, Stability derivatives, Flight altitude record, Radio direction finder, Acronyms and abbreviations in avionics, AERSP 404H, Ernest Archdeacon, Thrust reversal, List of aviation, aerospace and aeronautical abbreviations, Aeronautical Systems Center, Mountain Wave Project, Lee wave, Ernest Hanbury Hankin, Aircraft dynamic modes, US Army Airships, Lift, Gas balloon, Aircraft flight mechanics, Semi-rigid airship, Load factor, Luigi Gussalli, Gaetano Crocco, Hybrid airship, Abbott Lawrence Rotch, Microlift glider, Shock tube, Aresti Catalog, Cluster ballooning, Domina Jalbert, Triad Method, Scott Manning, Spaceworthiness, AeroMechanical Services, PSU Zephyrus, Thermal airship, Epcard, Aeronautical chart, Rotor-stator interaction, Pressure-sensitive paint, Design/Build/Fly, Ridge lift, Rib, Metal-clad airship, Sky anchor, Center for Studies and Research in Aeronautical Medicine, Alessandro Guidoni, Sky City Montecelio, Relative wind, Crosswind, Vertical penetration, Headwind, Elizabeth Thible, Tailwind, Index of kite articles, Attitude and Heading Reference Systems, Directorate for Studies and Experiments, Silent Aircraft Initiative, Flat rated, Controllable slope soaring, Stick thermal, Skid-to-turn, Rocket glider, Thermoplan, Special School for Aeronautical and Spatial Medicine, Air Traffic Safety Electronics Personnel, Wire Strike Protection System, Practical Test Standards, Aeronautical Operational Control, Aeronautical Engineering Review, Aeronautical and Space Medicine Unit, Skin, ECTM, Flight Dynamics. Excerpt: Various types of kites exist, depending on features such as materials, shape, use, or operating skills required. A modified parachute that has a positive lift/drag ratio is a kite. A tethered body that gains a positive lift/drag ratio when towed in some way is a kite. Kites have a wing body and a kite line, the kite line is moored to a fixed or moving body (which may be the kite line itself). The moving body may be a falling payload, or a human pilot (as in some hang gliders). Kites with a very low, stable lift/drag ratio are usually not considered kites, but streamers or flags instead. Kites may fly in air, water or other media, a deflection from the direction of the ambient stream occurs because of the shape of the kite's wing. New types of kites continue to be invented and designed. Kites are often classified by the dominant material used to make the main body of the kite (plastic, plant leaves , animal skin, wood, metal, composite, paper, metal foil, synthetic textile, newspaper, rip-stop nylon, nylon, Dacron, steel, aluminum). Some kiters pride themselves on being successful in making the main kite body out of only one type of material (except for glues, bonding agents and bridle lines) - for example, a Styrofoam-only kite], an aluminum-foil-only Rogallo kite, a paper-only kite, an ice-only kite or a balsa-wood-only kite. Mixed-material kites may have one dominant material, but usually have some other secondary material as well. A kite whose dominant material is tissue paper may have various kinds of stiffening framing sticks that are not tissue paper, but may be made of rattan, reed, bamboo, tree wood, fiberglass, carbon fiber, sandwiched aerogel, plastic drinking straws, glass...