group i roller coaster
Post on 06-Feb-2016
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GROUP I ROLLER COASTER
Team Members:
Sam Knepley
Laura Alman
Bob Carroll
Sarah Jacobsen
Nick Morris
Outline
Brainstorming Ideas Initial Paper Design Revisions of Design Result Design Problems and Solutions Conclusion
Brainstorming
Each Group Member Presented Ideas Downward Slope Vertical Loop Figure Eight Double Downward Horizontal Loop
Initial Paper Design
Featuresdesignplacement
Structural SupportDifficult drawingDifficult deciding design of support
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
First Build
First Build First Build
Time Adjustments to Initial DesignFinding Parts
InventorKeep Track of PartsDiagram For future builds
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
Final Build
Final Build
RevisionsExcess Parts
○ Switch Elbows for TeesEnergy
○ Too little for bumpSnap Fits
○ Add Stability
Final Design
Final
Results
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
Problems & Solutions
DesignVelocityFigure 8
BuildTrackDimensions
Conclusion
Design Process - Trial/Error Teamwork Designed an Interesting
Working Coaster
Questions?
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