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EMEC 499 SAE Aero Design
CompetitionCraig Kohring, Pat Tice, Sean Dineen, Mark Gasser
James Pallardy, Katie Schipf, AJ Dayvie
Plane weight less than 12 lbs (aim for 8) 15 lbs static paylod Instrumentation package 3 lb expellable payload .45 ci max engine displacement
Competition Rules Recap
GOE 525 airfoil◦ High Camber◦ Max Cl/Cd of 74 at 1.75 aoa and 25 mph
Aspect Ratio of 10 ◦ 10’ span with 1’ chord
Wing Design
Model Aspect Ratio
Wright Flyer 6.4
Boeing 727 7.1
SAE Aero 10
U-2 14.3
Wings: 2.25 lb (Both Wings) Fuselage: 2.75 lb Tail: 1.25 lb Fittings/Small Parts: 1 lb Total: Approx. 7.25 lb
Not Included: Wing bottom and fuselage monokoat, wire extensions, instrumentation
Weight
Parasitic Drag Coefficient: 0.03
Oswald Efficiency Factor: 0.9
Propeller Efficiency: 0.9
Assumptions
Thrust Required Curve
Power Required Curve
Rate of Climb
At Bozeman
Comparison (Sea Level to Bozeman)
Stability
Glide Angle: 4.8 degrees
Glide Range: 1200 ft @ 100ft above ground
Gliding Flight
Turning Radius (30 mph): 53.8 ft
Angular Velocity (30 mph): 47 degrees/sec
Turning
Control Surface Actuation Engine Fuel Consumption Static Thrust Radio Range Test Taxi Testing Ground Effect Flight Take-Off Roll In-Flight Stability In-Flight Control
Testing