Koncept för eldrivet flygplan : I syfte att delta i tävlingen Green Flight Challenge

Sammanfattning: Today’s usage of fossil fuel leads to environmental pollution and global warming. This is not a sustainable solution since this energy source is limited. Research is being conducted by the aircraft industries to develop alternative fuels and thereby decrease the amount of carbon dioxide emissions. Green Flight Challenge was an inspiration to this and several airplane manufacturers applied for the competition. The competition purpose was to bring forth green airplanes that maximize the fuel efficiency. The rules of the competition was that every plane must fly 332km in less than 2 hours and use less energy than what is in 3,79 liter gasoline per passenger. The objective for this bachelor project was to develop a concept for a two seat airplane that will be able to fulfil the competition requirements and to win Green Flight Challenge. The execution for the concept contains calculations and design for the plane’s wings, fuselage and empennage and the aerodynamics and propulsion. A material analysis was made and the selections of the battery system and motor. The design of a sailplane has been used as a reference to reduce drag and therefor consume less energy. A research of usage of placing solar cells on the wings has been made. The results shows how fast and efficient the concept plane must fly to be able to win the contest while it meets the requirements set by the rules.