Concept Selection

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

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

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

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

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

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

Pugh’s Method

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

Team Concepts 2) Dragonfly 9) SemiSphere

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

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

Questions?

Concept Selection