1. Thomas Martig NASA - ASCEND
Material to be Covered:
Sizing Methodology
Wing Design
Static & Dynamic Stability
ASU Satellite Laboratory

2. Sizing Methodology Varied Aspect Ratio and wing loading No Sweep
Unnecessary, assume speeds not near compressibility
No Taper
Benefit of taper dwarfed by cost of materials
Constraint
Range – Breguet Equation
Weight
ASU Satellite Laboratory

3. Weight Model Empirical data Gliders of similar Aspect Ratios
Balsa Wood construction ~ 50 gliders sourced
Trends line from weight verse wing area used for weight equation
ASU Satellite Laboratory

4. Glider Values Glide Ratio 30: Empty Weight: 1.16 kg Span: 2.2 meters
ASU Satellite Laboratory

5. Fabrication Research in deign methods
Use of fiberglass, carbon fiber, Styrofoam
ASU Satellite Laboratory

6. Static Stability Tornado Stability Derivatives, and Moments
Pitching Moment
Roll and Yaw Moments
ASU Satellite Laboratory

7. Dynamic Stability
Use of Tornado to determine coefficients of stability
Apply dynamic stability derivatives to produce code for trim deflections
V (m/s) 10
AOA (deg.)
Deflection Angle
-10 -5 5
ASU Satellite Laboratory