Group 13 Group 13 Heavy Lift Cargo PlaneHeavy Lift Cargo Plane
Stephen McNultyStephen McNultyRichard-Marc HernandezRichard-Marc Hernandez
Jessica PisanoJessica PisanoYoosuk KeeYoosuk Kee
Chi YanChi Yan
Project Advisor: Siva ThangamProject Advisor: Siva Thangam
OverviewOverview Objectives Objectives ScheduleSchedule ProgressProgress Design Concepts and Analysis Design Concepts and Analysis
– WingWing– FuselageFuselage– TailTail– Landing GearLanding Gear
GoalsGoals
ObjectivesObjectives Competition Specs are finally posted for the 2004 Competition Specs are finally posted for the 2004
competition competition The plane meets the specifications of the 2004 The plane meets the specifications of the 2004
SAE Aero Design West competitionSAE Aero Design West competition Construct the plane to design specificationsConstruct the plane to design specifications Test the plane and make optimizations Test the plane and make optimizations To compete well at competition and improve To compete well at competition and improve
Stevens reputationStevens reputation For the team to improve and expand their For the team to improve and expand their
knowledge of the design and construction of knowledge of the design and construction of airplanesairplanes
ScheduleSchedule
Rules ComparisonRules ComparisonDesign Specifications:Design Specifications: This Year (2004)This Year (2004) Previous Year (2003)Previous Year (2003)
Wing SpanWing Span Minimum 10 ftMinimum 10 ft Maximum 6 ftMaximum 6 ft
Wing ChordWing Chord No restrictionNo restriction Maximum 1 ftMaximum 1 ft
Planform AreaPlanform Area No restrictionNo restriction Maximum 1200inMaximum 1200in22
Cargo VolumeCargo Volume Minimum 120 inMinimum 120 in33 Minimum 300 inMinimum 300 in33
Maximum Takeoff DistanceMaximum Takeoff Distance 200 ft200 ft 200 ft200 ft
Maximum Landing DistanceMaximum Landing Distance 400 ft400 ft 400 ft400 ft
EngineEngine .61 FX-OS.61 FX-OS .61 FX-OS .61 FX-OS ororK&B .61 R/C ABCK&B .61 R/C ABC
BatteryBattery Minimum 500 mAhMinimum 500 mAh Minimum 500 mAhMinimum 500 mAh
ApproachApproach Limited wing Limited wing
planform areaplanform area Limited lift force Limited lift force
producedproduced Optimize:Optimize:
– Fuselage designFuselage design– Materials used Materials used
Goal:Goal:– Minimum dragMinimum drag– Minimum weightMinimum weight
Unlimited wing Unlimited wing planform areaplanform area
Limited thrust force Limited thrust force producedproduced
Optimize:Optimize:– Wing spanWing span– Fuselage designFuselage design– Materials used Materials used
Goal:Goal:– Minimum weightMinimum weight
20032003 20042004
Design AchievementsDesign Achievements Breaking down the plane into smaller Breaking down the plane into smaller
components components Brainstorming different ideas for designsBrainstorming different ideas for designs Team divided into smaller groups Team divided into smaller groups Areas studied in smaller group:Areas studied in smaller group:
– Selection of airfoilSelection of airfoil– Selection of wing shapeSelection of wing shape– Tail stabilizer (both horizontal and vertical)Tail stabilizer (both horizontal and vertical)– Landing gear analysisLanding gear analysis– Fuselage designFuselage design
Detailed design of aircraft finalized Detailed design of aircraft finalized
Calculation AchievementsCalculation Achievements Calculation of every component completedCalculation of every component completed Equations and resources from:Equations and resources from:
– textbookstextbooks– online researchingonline researching– white paper (Provided by SAE)white paper (Provided by SAE)
Calculations done with Excel SpreadsheetCalculations done with Excel Spreadsheet– Easy to link one value to anotherEasy to link one value to another– Graphs were easy to compare which design is more Graphs were easy to compare which design is more
efficientefficient– Change around numbers Change around numbers
compare which aircraft design performs best upon constructing compare which aircraft design performs best upon constructing and testingand testing
Results used in selection of airfoil, wing shape, and Results used in selection of airfoil, wing shape, and tail stabilizer tail stabilizer
Calculations of Landing and Take-offCalculations of Landing and Take-off
Sample EquationsSample EquationsLanding Run DistanceLanding Run Distance
Differential Equation of Differential Equation of MotionMotion
Landing ground runwayLanding ground runway
Coefficients A and BCoefficients A and B
Stall VelocityStall Velocity
2sec/966.0 ftCWTgA rollingstatic
2BVAVdVdS
21ln
21
TDlanding VAB
BS
gLrollinggDp CCCA
WgB ,,2
1
sec/8494.25
21
21
max,
ftCA
WVLp
stall
Sample Excel CaculationsSample Excel CaculationsHorizontal tail:Horizontal tail: Vertical Tail:Vertical Tail:
Re (NACA 0012)Re (NACA 0012) 175975.6175975.6 Re (NACA0012)Re (NACA0012) 246365.9246365.9
chord (MAC)chord (MAC) 77 inin chord (MAC)chord (MAC) 9.89.8 inin
Swet Swet 00 in^2in^2 Swet Swet 189189 in^2in^2
Wing Span Wing Span 4040 inin Tail heightTail height 2424 inin
SrefSref 280280 in^2in^2 SrefSref 235.2235.2 inin
ClmaxClmax 00 ClmaxClmax
Cf (laminar)Cf (laminar) 0.0031660.003166 Cf (laminar)Cf (laminar) 0.0026750.002675
t/ct/c 0.120.12 t/ct/c 0.120.12
x/cx/c 0.2870.287 x/cx/c 0.2870.287
FFFF 1.2716071.271607 FFFF 1.2716071.271607
Cdmin (laminar)Cdmin (laminar) 00 Cdmin (laminar)Cdmin (laminar) 0.00273390.0027339
CAD model AchievementsCAD model Achievements
Team finished Computer Aided Team finished Computer Aided Design on the aircraft with Design on the aircraft with SolidWorksSolidWorks
Animations were createdAnimations were created Blueprint of the aircraft ready to be Blueprint of the aircraft ready to be
printedprinted
Riser:
Selig 1223
Balsa Wood
Riser construction
Dihedral
Tail:
NACA 0009
Balsa Wood
Riser construction
Plane Design
Wing Construction Wing Construction Balsa Wood Risers Balsa Wood Risers Bass Wood Spars Bass Wood Spars Dowel Leading EdgeDowel Leading Edge Balsa Wood Trailing EdgeBalsa Wood Trailing Edge Horner PlateHorner Plate
FuselageFuselage
Fuselage cover
Fuselage base
Payload
Battery/ Receiver /Fuel tank
Engine: O.S. .61FX
Prop/ Nose
Fuselage:•Wooden panels•Cargo bay (payload) •Compartments•Easily accessible
Tail BoomTail Boom
Tail Boom:•Carbon fiber tube•Attached to fuselage•12 degree incline
Landing gear:•Aluminum
•Connecting Rod
•¾ in Tires
Plane Design
Final Design Final Design
Materials BudgetMaterials BudgetMaterial Material Size Size Quantity Quantity Item #Item # CostCost
Balsa Sheets (16)Balsa Sheets (16) 1/16x4x361/16x4x36 33 TOWR1315TOWR1315 $11.99$11.99Square StickSquare Stick 3/8"x3/8"x36"3/8"x3/8"x36" 44 WOO408WOO408 $1.55$1.55Wooden DowelWooden Dowel 1/4x36"1/4x36" 44 WOO363WOO363 $0.75$0.75Trailing edge (8)Trailing edge (8) 3/8"x3/8"x36"3/8"x3/8"x36" 22 TOWR1655TOWR1655 $2.59$2.59PlywoodPlywood 1/16x12x24"1/16x12x24" 88 WOO392WOO392 $9.90$9.90CompositeComposite 4.5 ft 4.5 ft 11 ** $80.00$80.00Foam CoreFoam Core -- 11 ** $80.00$80.00Aluminum PlateAluminum Plate -- 11 ** $20.00$20.00Tires Tires 3/4in3/4in 33 ** $4.29$4.29Connecting RodsConnecting Rods 48in48in 11 LXD863LXD863 $3.79$3.79EngineEngine O.S. 61O.S. 61 11 ** $150.00$150.00PropsProps 11x711x7 11 ** $2.49$2.49ServoServo -- 55 ** $21.00$21.00Fuel Tank Fuel Tank 22oz22oz 11 ** $3.49$3.49BatteryBattery 600mAh600mAh 11 ** $20.00$20.00Radio ReceiverRadio Receiver 6 channel6 channel 11 ** $80.00$80.00ControllerController 6 channel6 channel 11 ** $99.00$99.00
TotalTotal$786.19$786.19
Semester Semester TotalTotal $133.34$133.34Items denoted with * for item number are already in stock
Equipment BudgetEquipment Budget
EquipmentEquipmentQuantiQuanti
tytyItem Item CostCost
Hobby KnifeHobby Knife 33 $3.19$3.19
#11 Blades (100)#11 Blades (100) 11 $12.99$12.99
ProCA+ Clue 4oz. ProCA+ Clue 4oz. Med.Med. 33 $18.39$18.39
Mono Cote MaroonMono Cote Maroon 22 $7.49$7.49
Mono Cote Mono Cote AluminumAluminum 22 $7.49$7.49
Misc.Misc. $50.00$50.00
TotTotalal $157.6$157.6
99
GoalsGoals This SemesterThis Semester
– Complete construction earlyComplete construction early– Test plane design Test plane design – Modify to optimizeModify to optimize
Compete in June Compete in June
SummarySummary Objectives Objectives ScheduleSchedule Last Semester’s AchievementsLast Semester’s Achievements Design Design
– Risers Risers – WingWing– FuselageFuselage– TailTail– Landing GearLanding Gear
GoalsGoals
Thank YouThank You
