Aerodynamic Design For Ultralight Aircraft

Ultralight aircraft refers to the flight instruments by single driving, only for entertainment or sports activities, does not need any certificate of airworthiness. The development of safe, cheap, simple structure, easy to fly ultralight aircraft is very promising. "Avant garde 1" is a graduate student independent design and development and to assist the production of ultralight aircraft. Not only provides a convenient, safe, inexpensive platform for our flight enthusiasts, but also promote China’s general aviation flight activities of the masses, and promote the rapid development of China’s general aviation. Ultra light aircraft aerodynamic design plays an important role in aircraft design, performance is directly related to the aircraft aerodynamic design.This study is based on a large number of similar models. Formulate the basic technical requirements of the "avant garde 1" ultralight aircraft, determine the aerodynamic layout scheme, the main components of the aircraft aerodynamic design and parameter selection, including the wing, empennage, aileron and flap design. By using the vortex lattice method(VLM) was proposed for the analysis of aircraft wing loads, the propeller was designed and the efficiency was calculated by using Standard Strip Analysis.For each control surface were calculated hinge moment coefficients. Estimate On the basic performance of the ultralight aircraft.