Group I Roller Coaster
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Transcript of Group I Roller Coaster
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GROUP I ROLLER COASTER
Team Members:
Sam Knepley
Laura Alman
Bob Carroll
Sarah Jacobsen
Nick Morris
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Outline
Brainstorming Ideas Initial Paper Design Revisions of Design Result Design Problems and Solutions Conclusion
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Brainstorming
Each Group Member Presented Ideas Downward Slope Vertical Loop Figure Eight Double Downward Horizontal Loop
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Initial Paper Design
Featuresdesignplacement
Structural SupportDifficult drawingDifficult deciding design of support
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Initial Paper Design Velocity Calculations
Feature Velocity (in) m/s Velocity (out) m/s Banking Angle Critical Velocity (m/s)
Start to First Feature 0 2.65 Vertical Loop Start to Top 2.65 1.699 ≥ 0.997838Vertical Loop Top to Bottom 1.699 2.03 Vertical Loop to Figure 8 2.03 2.01
Figure 8 Start to End 2.01 1.623 72.8779 Figure 8 to Double Downward Loop 1.623 1.6 Double Downward Start to End 1.6 1.458 55.759 Double Downward to Bump 1 1.458 1.35 Beginning of Bump 1 to Top 1.35 0.71 ≤ .997838Top of Bump 1 to Bottom 0.71 1.27 Curve From Bump 1 to Bump 2 1.27 1.02 28.368 Beginning of Bump 2 to Top 1.02 0.25 ≤ 0.86415Top of Bump 2 to Bottom 0.25 0.78 Bump 2 to End 0.78 0.569
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First Build
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First Build First Build
Time Adjustments to Initial DesignFinding Parts
InventorKeep Track of PartsDiagram For future builds
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Second Build
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Second Build
Build on First SessionVertical Loop and Figure 8
AccomplishedDouble Downward Loop and Bump
More EfficientFitting PartsMaking adjustments
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Final Build
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Final Build
RevisionsExcess Parts
○ Switch Elbows for TeesEnergy
○ Too little for bumpSnap Fits
○ Add Stability
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Final Design
Final
Results
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Final Design CalculationsFeature V in (m/s) V out (m/s) Banking Angle Critical V (m/s) Actual V (m/s)
Start to First Feature 0 2.597 2.41346
Vertical Loop Start to Top 2.597 1.649 >.9899 1.47232
Vertical Loop Top to Bottom 1.649 1.9818 1.15321
Figure 8 Start to End 1.9818 1.775 68.236 2.05357
Figure 8 to Double Downward Loop 1.775 1.719 0.65029
Double Downward Start to End 1.719 2.046 66.677 1.01124
Double Downward to Bump 1 2.046 1.88675
Beginning of Bump 1 to Top 1.88675 1.4308 <.6261 0.66224
Top of Bump 1 to Bottom 1.4308 1.4075
Bump 1 to Horizontal Curve 1.4075 1.384
Horizontal Curve to end 1.384 0.872 50.696 0.450195
Total
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Problems & Solutions
DesignVelocityFigure 8
BuildTrackDimensions
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Conclusion
Design Process - Trial/Error Teamwork Designed an Interesting
Working Coaster
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Questions?