SAE AERO DESIGN® EAST COMPETITION A SENIOR DESIGN PROJECT
PREPARED IN PARTIAL FULFILLMENT OF THE REQUIREMENT FOR THE DEGREE OF
BACHELOR OF SCIENCE IN
MECHANICAL ENGINEERING
Alan Abad, Oscar Villatoro, Hernando Buendia, Jose Garzon
Department of Mechanical and Materials EngineeringFIU, Miami, Florida
Design Team Alan Abad• Design of fuselage• Stress analysis of fuselage• Construction of prototype• Report and presentation development
Hernando Buendia• Design of payload assembly • Stress analysis of payload assembly• Construction of prototype• Report and presentation development
Oscar Villatoro• Study and selection of materials• Stress analysis of wings• Construction of prototype• Report and Presentation development
Jose D. Garzon• Design of wings• Flow analysis of wings• Construction of prototype• Report and presentation development
Advisor: Professor Andres Tremante
Problem Statement
• Design, create, build and test a Remote Controlled (RC) airplane for an international competition
• Objective is to come up with the optimal RC airplane design which will carry a given payload while flying successfully through specified circuit
Metrics
Aircraft Specification
Aircraft Dimension Requirement Max 200 inches
Gross Weight Limit 55 pounds
Payload Bay Limit 5” x 5” x 10”
Engine Requirements O.S. .61FX
Fuel Tanks 350cc
Fuel 10% nitro methane
Radio 2.4 GHz radio
Battery 500mAh
Metrics Performance Requirements
Time Limit for take off 3 minutes
Takeoff Zone 200 feet
Circuit 360°
Landing Zone 400 feet
Airfoil Design Alternatives
• Flat bottom: Mostly used for trainer, slow and easy to handle. Poor with inverted flight
• Semi-symmetrical: Good lift, especially under-cambered airfoils
• Symmetrical: Use for aerobatics airplanes
Wing Design Alternatives
• Wing Design I: Semi-symmetrical, constant cross-sectional area
• Wing Design II: Semi-symmetrical, decreasing cross-sectional area with wing tip
• Wing Design III: Semi-symmetrical, biplane
Feasibility Study
StabilityWing Placement low medium high High Wing ✔Mid Wing ✔ Low Wing ✔ Twin Wing ✔
ManeuverabilityAirfoil Shape low medium high Flat Bottom ✔ Semi-Symetrical ✔ Symetrical ✔
LiftWing Design low medium high Constant x-sec area ✔ Decreasing x-sec area ✔ biplane ✔
Proposed Design
• Wing Type:Biplane
• Wing Profile:Semi-symmetrical airfoils ( under – cambered)
• Tail:T-type tail
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