Smith_K - Kyle Smith AAE 415 Fall 2003 Glider A little...

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Unformatted text preview: Kyle Smith AAE 415 Fall 2003 Glider A little Background Power Necessary? 1486 Leonardo da Vinci 1799 - Sir George Cayley 1855 Captain Le Bris Leonardo da Vinci Sir George Cayley Otto Lilienthal Learned from birds Believed that a propulsion device was neither necessary nor desirable Lost his balance and died on August 9 th , 1896 Octave Chanute Improved upon Lilienthals design More than 1000 successful flights between 1896 and 1897 Chanute type Wright Brothers Inspired by the news of Lilienthals death Shifting weight/lift not practical Kitty Hawk December 17, 1903 622 feet in 26 seconds Types of Sailplanes Primary Glider (L/D ~ 12) Secondary (Utility) Glider (L/D ~ 15) Intermediate Sailplane (L/D ~ 20) High performance Sailplane (L/D ~ 26-33) Aerodynamics D L x y C C D L H R H R D L D L F D W L F = = = = =- = = +- = cot cot cos sin sin cos L D R H...
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This note was uploaded on 01/15/2012 for the course AAE 490 taught by Professor Andrisani during the Fall '09 term at Purdue University-West Lafayette.

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Smith_K - Kyle Smith AAE 415 Fall 2003 Glider A little...

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