1. Michael Caldwell Jeff Haddin Asif Hossain James Kobyra John McKinnis
Concept Selection
AAE 451: Team 2
Michael Caldwell
Jeff Haddin
Asif Hossain
James Kobyra
John McKinnis
Kathleen Mondino
Andrew Rodenbeck
Jason Tang
Joe Taylor
Tyler Wilhelm

2. Objectives Selected mission objectives
Assigned rankings (out of 120 possible points)

3. Possible Design Concepts
1) Diamond Biplane
2) Dragonfly
3) Pusher / Puller
4) Canard / Boom Tail / Winglets
5) Bird of Prey
6) Mad Menace
7) Crescent / V-Tail

4. Weighted Objectives For each design, objectives are ranked either:
1 - Poor, 3 - Average, 9 - Excellent
Each objective score is multiplied by corresponding weighted average
Scores for each design concept are totaled

5. Weighted Objectives
As shown by weighted objectives method, design 1 (diamond biplane) score the highest
Variations can now be made to original concepts to increase objective scores
New concepts are added
8) Conventional
9) SemiSphere

6. Pugh’s Method
Using weighted objectives results, design 1 was used as datum
All other designs’ objectives are compared to datum
+ (better), - (worse), s (same)
Sum of each scoring criteria taken
Design strengths and weaknesses determined

7. Pugh’s Method

8. Team Concepts From Pugh’s Method, three concepts were chosen
2) Dragonfly
6) Mad Menace
9) SemiSphere

9. Team Concepts
2) Dragonfly
9) SemiSphere

10. Final Concept Mad Menace Features High Aspect Ratio Wing
Forward Canard
Three Fuselages
“Quad” Landing Gear
Winglets

11. Final Concept Pros Cons High Lift High Fuselage Volume
Large Control Surface Area
Room for Variation
Cons
Canard
CG vs. AC
Wing Structure
Vertical Tail Placement

12. Questions?