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

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

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

Questions?