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Aircraft Design Competition Comparison

Aircraft Design Competition Comparison. SAE Open SAE Regular SAE Micro AIAA. Deadlines. SAE East: Marietta, GA, Dec. 29, 2005 SAE West: San Fernando Valley, CA, Dec. 29, 2005 AIAA: Wichita, KS, Oct. 31, 2005. Competition Dates. SAE East: Marietta, GA, Apr. 21-23, 2005

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Aircraft Design Competition Comparison

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  1. Aircraft Design Competition Comparison SAE Open SAE Regular SAE Micro AIAA

  2. Deadlines • SAE East: Marietta, GA, Dec. 29, 2005 • SAE West: San Fernando Valley, CA, Dec. 29, 2005 • AIAA: Wichita, KS, Oct. 31, 2005

  3. Competition Dates • SAE East: Marietta, GA, Apr. 21-23, 2005 • SAE West: San Fernando Valley, CA, June 2-4, 2005 • AIAA: Wichita, KS, Apr. 21-23, 2005

  4. Competition Member Requirements • SAE • All team members to be members of SAE • All team members need to be undergraduate/graduated 7 months prior to competition • AIAA • All team members to be members of AIAA • Team must consist of at least 1/3 undergraduates (Freshman, Sophomore, or Junior)

  5. Mission Profile • SAE Regular, Open, Micro • 5 min takeoff time limit (multiple attempts allowed) • Someone is allowed to hold the aircraft during engine rev-up • Takeoff Zone: 200 ft (100 ft for Micro class) • Flight Path: • 360° Turn overall • travel past the takeoff zone • 180° turn • travel past the approach zone • 180° turn • Landing Zone: 400 ft (200 ft for Micro class) • Aircraft remains intact (except propeller) • Repairs allowable (except alteration of design)

  6. Mission Profile (Continued) • AIAA • Takeoff • Maximum flight attempts: 5 • 2 min prep time for each flight attempt • Takeoff Zone: 100 ft • Flight Path • 360° turn overall • travel 500 ft past starting line • 180° turn • travel 500 ft past starting line • 180° turn • Landing Zone: 200 ft (not exactly sure) • Aircraft remains intact (except propeller) • Repairs allowable (except alteration of design)

  7. Important Aircraft Requirements • SAE Regular • Wingspan: 94.488 in • Max Gross Weight: 55 lbs • Payload Volume: (3 x 5 x 16) in block must be able to fit • Payload: Consist of plates, can’t move • Engine: Single, unmodified O.S. .61 FX w/ E-4010 Muffler • 1 to 1 propeller to engine RPM ratio • Fuel: 10% Nitro Methane Fuel (supplied) • Propeller: Metal not allowed

  8. Important Aircraft Requirements (Continued) • SAE Open • Wingspan: Unlimited • Max Gross Weight: 55 lbs • Payload Volume: Unresticted • Payload: Consist of plates, can’t move • Engine • Internal, Combustion Reciprocating Engine • Max Displacement: .91 in • Not restricted in total engine displacement, number of engines, make or model • Allowed to differ propeller to engine RPM ratio • Fuel: Can use own fuel (restrictions) • Propeller: Metal not allowed

  9. Important Aircraft Requirements (Continued) • SAE Micro • Wingspan: Unlimited • Purpose: Carry highest payload with lowest empty weight • Payload: Consist of plates, can’t move • Engine: • Internal, Combustion Reciprocating Engine or Electric Motor Propulsion • Not restricted in number of engines • 1 to 1 propeller to engine RPM ratio • Fuel: Can use own fuel (restrictions) • Propeller: Metal not allowed

  10. Important Aircraft Requirements (Continued) • AIAA • Wingspan: Unlimited • Max Gross Weight: 55 lbs • Payload Volume • Able to carry 96 tennis balls • Able to carry two-two liter bottles • Able to carry 4 x 4 x 24 in not weighing more than 8 lbs • Engine • Electric Motor • Multiple motors allowed • Propeller: Commercial

  11. Flight Scoring • SAE Regular • Flight Score=Raw Weight Score + Prediction Bonus • Raw Weight Score=Weight lifted in lbs x 4 • Prediction Bonus=20 - (predicted payload – actual payload)2 • SAE Open • Flight Score=Raw Weight Score + Prediction Bonus + Zero Payload Bonus + Stopping Bonus • Raw Weight Score=Weight lifted in pounds x 3 • Prediction Bonus=20 - (predicted payload – actual payload)2 • 20 points if mission carried out with no payload • 20% of Raw Weight score if aircraft lands within landing zone • SAE Micro • Flight Score=(10 – EW) x PF x 13 • EW=Empty Weight in pounds • PF=Payload Fraction=Payload Weight/(Empty Weight + Payload Weight • Overall Score for any of the above three competitions • Overall Score=Design Report Score + Oral Presentation Score + Flight Score

  12. Flight Scoring (Continued) • AIAA • Cargo Flexibility • Flight Score=10 x (# Laps/Loading Time) • Min RAC • Flight Score=150/Rated Aircraft Cost (RAC) • Incremental Load • Flight Score=1.25 x # Laps x # Laps • Total Flight Score=2 best flight scores of above three are summed • Overall Score = Written Report Score * Total Flight Score Rated Aircraft Cost

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