Moving Armor Target Moving Armor Target (MAT) Track(MAT) Track

Jacob FeistJacob FeistCleon StanleyCleon Stanley

Thomas HuttonThomas HuttonSladana LazicSladana Lazic

03/30/200603/30/2006

Agenda:Agenda: Project ScopeProject Scope

Review of Initial Review of Initial DesignsDesigns

Review Final DesignReview Final Design

AssemblyAssembly

Problems and Problems and SolutionsSolutions

Final Final accomplishmentsaccomplishments

Project ScopeProject Scope Portable and lightweightPortable and lightweight

Use Commercial Off The Use Commercial Off The Shelf (COTS) itemsShelf (COTS) items

Interlocking parts that Interlocking parts that can be transported in a can be transported in a commercial truck commercial truck

Reduced cost through Reduced cost through reduced labor and reduced labor and maintaincemaintaince

Mount on any soil base Mount on any soil base with minimum with minimum preparationpreparation

Project SpecificationsProject Specifications

Length of TrackLength of Track 1000 ft – 1800 ft1000 ft – 1800 ft

Elevation of TrackElevation of Track Up to 20 inchesUp to 20 inches

Minimum Radius of Minimum Radius of TrackTrack

430 ft430 ft

Slope Grade of the Slope Grade of the TrackTrack

-5 to +5 degrees-5 to +5 degrees

Maximum Weight of Maximum Weight of Track ComponentsTrack Components

150 lbs150 lbs

MAT WeightMAT Weight 2100 lbs2100 lbs

MAT DimensionsMAT Dimensions 7 ft by 22 ft7 ft by 22 ft

MAT SpeedMAT Speed 55 ft/s55 ft/s

Review of Initial DesignsReview of Initial Designs

Base DesignBase Design Elevation DesignElevation Design Main Frame DesignMain Frame Design

Review of Initial DesignsReview of Initial Designs

InsertInsert Rail interlockingRail interlocking

Final DesignFinal Design

Final concept is a Final concept is a fusion of previous fusion of previous ideas.ideas.

Angled side supports Angled side supports are used to add are used to add stability to the stability to the design.design.

Crossbars are moved Crossbars are moved in order to adjust the in order to adjust the height of the rails.height of the rails.

Final ConceptFinal Concept: Primary : Primary ComponentsComponentsCrossbar:Crossbar:

Main Support:Main Support:

Final ConceptFinal Concept: Primary : Primary ComponentsComponents

Breaking Support:Breaking Support:Side Arm:Side Arm:

AssemblyAssembly• Assemble the Main Base Supports• Assemble the Side Angled Supports

AssemblyAssembly• Add Crossbars to the Main Base Supports• Add Side Angled Supports

AssemblyAssembly• Connect the Main Rails to the Crossbars using the insert• Repeat the steps above and add to the first part

AssemblyAssembly

Final Assembled ViewFinal Assembled View

CalculationsCalculations: Main Rail: Main Rail

Weight:Weight:

Less that 150 lbs, Less that 150 lbs, the max weight as the max weight as set by sponsorset by sponsor

90 lbs should be 90 lbs should be easy to move and easy to move and handlehandle

CalculationsCalculations: Main Rail: Main Rail

Bending Stress:Bending Stress:

The total stress in The total stress in the beam is less than the beam is less than the yield stressthe yield stress

Gives a Factor of Gives a Factor of Safety of 2.4Safety of 2.4

This shows that the This shows that the main rail will support main rail will support the total weight of the the total weight of the test carttest cart

CalculationsCalculations: Main Rail: Main Rail

Deflection:Deflection:

Rail bends downward Rail bends downward with most weight with most weight expectedexpected

Displacement Displacement approximately 1/8 inchapproximately 1/8 inch

Some deflection Some deflection expected, 1/8 inch expected, 1/8 inch small enough to be small enough to be toleratedtolerated

Problems and SolutionsProblems and Solutions DesignDesign

Cost/BudgetCost/Budget

Order stalled due to Order stalled due to financial difficulties financial difficulties

Storage of materialStorage of material

Transportation of materialTransportation of material

MachiningMachining

AssemblyAssembly

Final AccomplishmentsFinal Accomplishments

Easier assemblyEasier assembly: : Simple collar-pin design; Simple collar-pin design; minimum toolsminimum tools

Reduced assembly time:Reduced assembly time:one section: ~5min 34secone section: ~5min 34secfull track: ~22hrsfull track: ~22hrs

Smaller assembly team:Smaller assembly team: three peoplethree people

Mobility:Mobility: all part weigh less than 150 all part weigh less than 150 lbslbs

Height and terrain adjustableHeight and terrain adjustable

QuestionsQuestions