1. Airfoil Selection and Tail Design Jose Pedrego ASCEND Team 4/19/2008

2. Glider Design Fuselage Wing –Fundamental lifting device –Airfoil –Dimensions Tail –Essential for Stability –Control Surfaces

3. Airfoil Considerations Low Reynolds Number Lift-curve Slope Maximum Lift Coefficient Ease of Manufacturing

4. Airfoil Analysis AirfoilMax CLAOA for Max CLCD at Max CLlift curve slope e2090.882112.60.103490.067 e2141.2996110.058960.112 e2221.07888.60.042330.142 rg151.02299.10.057510.127 s20461.15019.20.060.129

5. Airfoil Selection Eppler 222

6. Tail Design Stability –Statically Stable –Sufficient Moment Arm Control –Elevator –Rudder Manufacturing –Airfoil –Flat Plate

7. Tail Final Dimensions.0792 Horizontal Tail Area 25 cm from center of gravity Elevator Flat Plate