Trapped! 60°. The Concept To create a vehicle, using no power sources outside of two mouse trap...
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Transcript of Trapped! 60°. The Concept To create a vehicle, using no power sources outside of two mouse trap...
Trapped!Trapped!
60°
The ConceptThe Concept
To create a vehicle, using no power sources To create a vehicle, using no power sources outside of two mouse trap springs, that outside of two mouse trap springs, that has the ability to climb a rope coming out has the ability to climb a rope coming out of the ground at approximately 60of the ground at approximately 60°.°.
Initial Design ConceptInitial Design Concept
Gears
Drive Wheel
Traction Wheel
Frame
Frame
Design ComponentsDesign Components
FramesFrames
Design ComponentsDesign Components
FramesFrames Steel AxlesSteel Axles
Design ComponentsDesign Components
FramesFrames Steel AxlesSteel Axles Aluminum AxlesAluminum Axles
Design ComponentsDesign Components
Frames Frames Steel AxlesSteel Axles Aluminum AxlesAluminum Axles GearsGears
Design ComponentsDesign Components
Frames Frames Steel AxlesSteel Axles Aluminum AxlesAluminum Axles GearsGears Drive and Traction Drive and Traction
WheelsWheels
Design ComponentsDesign Components
Frames Frames Steel AxlesSteel Axles Aluminum AxlesAluminum Axles GearsGears Drive and Traction Drive and Traction
WheelsWheels SpringsSprings
Design ComponentsDesign Components
Frames Frames Steel AxlesSteel Axles Aluminum AxlesAluminum Axles GearsGears Drive and Traction Drive and Traction
WheelsWheels SpringsSprings ScrewsScrews
Cost / Weight AnalysisCost / Weight Analysis
PVC Frames – 2x .04 lbs @ $0.40 / lbsPVC Frames – 2x .04 lbs @ $0.40 / lbs
= $ 0.032= $ 0.032 UHMW Drive & Traction Wheels – 2x .05 lbs @ $0.48 / lbsUHMW Drive & Traction Wheels – 2x .05 lbs @ $0.48 / lbs
= $ 0.012= $ 0.012 Plastic Gears – 2x .0125 lbs @ $5.00 / lbsPlastic Gears – 2x .0125 lbs @ $5.00 / lbs
= $ 0.125= $ 0.125 Steel Gear – 1x .01 lbs @ $1.67 / lbsSteel Gear – 1x .01 lbs @ $1.67 / lbs
= $ 0.0167= $ 0.0167
Cost / Weight Analysis Con’tCost / Weight Analysis Con’t
Screws – 2x .0025 lbs @ $1.67 / lbsScrews – 2x .0025 lbs @ $1.67 / lbs= $ 0.00835= $ 0.00835
Steel Axles – 2x .005 lbs @ $1.67 / lbsSteel Axles – 2x .005 lbs @ $1.67 / lbs= $ 0.0167= $ 0.0167
Aluminum Axles – 2x .0025 lbs @ $5.00 / lbsAluminum Axles – 2x .0025 lbs @ $5.00 / lbs= $ 0.025= $ 0.025
Mouse Trap – 2x $0.30Mouse Trap – 2x $0.30= $ 0.60= $ 0.60
Cost of Materials $ 0.83575 per unitCost of Materials $ 0.83575 per unit
Total Production CostTotal Production Cost
Labor Cost:Labor Cost:
10 minutes of assembly10 minutes of assembly
*5.15/hour (min wage)*5.15/hour (min wage)
= $0.88 / vehicle= $0.88 / vehicle
TOTAL COST $0.84 + $0.88 = TOTAL COST $0.84 + $0.88 = $1.72$1.72
Pending Design ModificationsPending Design Modifications
More rigid driving axleMore rigid driving axleThicker gearsThicker gearsHorizontal alignment (gears)Horizontal alignment (gears)Adjustable tension wheelAdjustable tension wheelBetter tractionBetter traction
Benefits and AdvantagesBenefits and Advantages
Weight -- .225 lbsWeight -- .225 lbsSizeSizeCostCostAestheticsAesthetics
The next model The next model willwill climb the rope! climb the rope!