1. Group 13 Heavy Lift Cargo Plane Stephen McNulty Richard-Marc Hernandez Jessica Pisano Yoosuk Kee Chi Yan Project Advisor: Siva Thangam

2. Overview Objectives Schedule Design Concept Summary Construction –Wing –Fuselage –Tail –Landing Gear –Boom Testing Problems/Suggestions Competition Goals Website

3. Objectives The plane meets the specifications of the 2004 SAE Aero Design West competition To complete construction by mid April to allow time for testing and modifications To compete well at competition and improve Stevens reputation For the team to improve and expand their knowledge of the design and construction of airplanes

4. Design Specifications Minimum allowed wingspan 120 inches Takeoff limit 200 feet Landing Distance 400 feet Minimum cargo area 6 in x 5 in x 4 in Engine –unmodified FX O.S. 2 stroke motor –0.61 cubic inches –1.9 hp –E-4010 muffler

5. Design Specs Comparison Design Specifications:This Year (2004)Previous Year (2003) Wing SpanMinimum 10 ftMaximum 6 ft Wing ChordNo restrictionMaximum 1 ft Cargo VolumeMinimum 120 in 3 Minimum 300 in 3 Maximum Takeoff Distance200 ft Maximum Landing Distance400 ft Engine.61 FX-OS.61 FX-OS or K&B.61 R/C ABC BatteryMinimum 500 mAh

6. Schedule 2 nd Semester

7. Schedule 1 st Semester

8. Calculation Achievements Calculation of every component completed Equations and resources from: – textbooks –online researching –white paper (Provided by SAE) Calculations done with Excel Spreadsheet –Easy to link one value to another –Graphs were easy to compare which design is more efficient –Change around numbers compare which aircraft design performs best upon constructing and testing Results used in selection of airfoil, wing shape, and tail stabilizer Calculations of Landing and Take-off

9. Sample Equations Landing Run Distance Differential Equation of Motion Landing ground runway Coefficients A and B Stall Velocity

10. Sample Excel Calculations Horizontal tail: Vertical Tail: Re (NACA 0012)175975.6 Re (NACA0012)246365.9 chord (MAC)7inchord (MAC)9.8in Swet0in^2Swet189in^2 Wing Span40inTail height24in Sref280in^2Sref235.2in Clmax0 Cf (laminar)0.003166 Cf (laminar)0.002675 t/c0.12 t/c0.12 x/c0.287 x/c0.287 FF1.271607 FF1.271607 Cdmin (laminar)0 0.0027339

11. Payload Weight vs. Density Altitude [Payload Weight] = 20.60 – 5.15E-4 × [Density Altitude]

12. Wing Design and Construction

13. Rib Print and cut original Metal cut out template Final for placement in wing Selig 1223 SolidWorks Drawing

14. Airfoil Airfoil selection –Year 2000: E 211 –Year 2001: E 423 –Year 2002: OAF 102 –Research: E 214 –Research: S 1223 Important Factor E122E214E423 OAF102 S1223 Cl 512235 Cd 254432 Construction 355443 Overall 503033303338

15. C L &C D vs. AoA Control Surface Affect

16. Wing Stress Analysis Max stress = 330.9 psi

17. Wing 10 ft wing span 1 ft cord Flap 3 ft

18. Fuselage Shortened to 2’-1” long Made from plywood and balsa wood Attached to boom externally New design Old design

19. Boom Three Spar Connects tail to fuselage Two Booms create wobble Carbon Fiber 5ft length ½ in inner Diameter

20. Tail Section NACA 0012 Airfoil Similar Construction to Wing Controls: –Horizontal Stabilizer –Vertical Flaps

21. Tail Section Wooden Beam to Carbon Fiber Attachment Design Limits tail AoA Servos built inside tails

22. Landing Gear Analysis SolidWorks models –Deflection Analysis –Stress Analysis –Deformation Analysis Top fixed Force applied to bottom of legs –Force applied = 45lbs –Force = Weight of plane Max Deflection.0196 in Stress Max 1.651 Psi

23. Final Plane

24. Budget ItemCompany NameUnit PriceQuantityTotal Price 1Pro CA+ GlueTower Hobbies11.99335.97 2Balsa SheetTower Hobbies11.99335.97 3Fuel FilterTower Hobbies2.791 4Carbon Fiber TubingGraphiteStore.com47.60295.20 5RX NICD BatteryTower Hobbies18.391 6MonocotTower Hobbies9.99439.96 7Glow Plug #8Tower Hobbies5.491 8Aircraft PlywoodRidgefield Hobby12.451 9Light PlywoodRidgefield Hobby5.00210.00 10Wooden DowelsRidgefield Hobby5.751 11Balsa BarsRidgefield Hobby9.751 12Nose ConeAmerica's Hobby Center6.401 13Nuts, Bolts, ScrewsHome Depot10.431 Subtotal288.55 14Engine.61FX w/ MufflerTower Hobbies144.991 15RealFlight SimulatorTower Hobbies199.981 Total633.52

25. Testing

26. Problems/Suggestions Design Changes –Have to alter design somewhat once construction is started Construction vs. Drawings Attachments

27. Goals Compete in June

28. Website

29. Summary Objectives Schedule Design Concept Summary Construction –Wing –Fuselage –Tail –Landing Gear –Boom Testing Problems/Suggestions Competition Goals Website