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Since many physical systems can be modeled by second order differential equation, airplane can also be thought of as an equivalent spring-mass-damper system. This makes the analysis of aircraft's damping and longitudinal static stability much simpler. For that matter, a model was proposed in which only pure pitching motion was considered and dependence of pitching moment on various factors was sought...
Canards are basically horizontal tail installed ahead of centre of gravity which makes aircraft to pitch up or pitch down with the help of moving parts of canard surface. In canards, configuration point of lift on the wing is behind the centre of gravity of the aircraft. To adjust the characteristic nose down inclination, the canard produces an upward lifting power which opposes weight. It also makes...
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