PFR - Aerospace Engineering Sciences Senior Design Projects ...

Project Final Report – CUDBF April 30 th , 2009
ASEN 4028: Aerospace Senior Projects
List of Figures
Figure 1: Centerline Store Payload (Bottle) ......................................................................... 18
Figure 2: Wing Mounted Store (Rocket) .............................................................................. 19
Figure 3: Flight Mission Lap Overview ............................................................................... 20
Figure 4: Flight Mission 1 Profile ........................................................................................ 20
Figure 5: Flight Mission 2 Profile ........................................................................................ 21
Figure 6: Flight Mission 3 Profile ........................................................................................ 22
Figure 7: Project Requirement Breakdown .......................................................................... 22
Figure 8: Transparent Aircraft Overview ............................................................................. 23
Figure 9: Aircraft Three-View ............................................................................................. 23
Figure 10: Overall Aircraft Mass Budget ............................................................................. 24
Figure 11: Aircraft Electrical Schematic .............................................................................. 24
Figure 12: Determining Wing Geometry ............................................................................. 32
Figure 13: Moment Coefficient and Lift Coefficient as a Function of Angle of Attack ........ 33
Figure 14: Drag Polars for the Top Three Airfoils ............................................................... 33
Figure 15: FBD and Summary of Equations Calculating Centripetal Force on Wing Stores . 34
Figure 16: Preliminary Design of Magnetic Release Mechanism ......................................... 35
Figure 17: Preliminary Drawing of Tab-Spring Payload System .......................................... 36
Figure 18: Preliminary Drawing of Sliding Trigger Payload System (Left: Loaded; Right:
Released) ............................................................................................................................ 37
Figure 19: Metallic Wrap Centerline Store Release Mechanism .......................................... 38
Figure 20: Isogrid Box ........................................................................................................ 39
Figure 21: Single Motor Aircraft ......................................................................................... 40
Figure 22: Dual In-Line Pusher Puller Motors ..................................................................... 40
Figure 23: Dual Rear Mounted Motors ................................................................................ 41
Figure 24: Dual Front Mounted Motors ............................................................................... 42
Figure 25: Wing Construction Method Design Options ....................................................... 43
Figure 26: Wing Span Reduction Design Options ................................................................ 44
Figure 27: Wing Fold Joint Location Design Options .......................................................... 45
Figure 28: Landing Gear Configuration Options .................................................................. 46
Figure 29: Main Gear Material Comparisons ....................................................................... 47
Figure 30: Performance Constraint Plot ............................................................................... 53
Figure 31: Static Thrust Stand ............................................................................................. 55
Figure 32: Assembly Feasibility .......................................................................................... 57
Figure 33: Aircraft Geometry .............................................................................................. 60
Figure 34: The Tip Airfoil (HS520) ..................................................................................... 62
Figure 35: Location of the Fold on the Wing ....................................................................... 63
Figure 36: Control Surfaces on the Aircraft ......................................................................... 63
Figure 37: Longitudinal Stability Modes for the Bottle on the Airplane ............................... 65
Figure 38: Longitudinal Stability Modes for Four Rockets on the Airplane ......................... 66
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