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Figure 1: No mass, Side 60 Wall  Figure 2: No mass, Top 60 Wall  Figure 3: Top 60 Wall, odd result  Figure 4: Battery box only, Side 60 Wall  Figure 5: Battery box only, Top 60 Wall  Figure 6: 17 Tube configuration  Figure 7: results from figure 6, side 60 wall  Figure 8: Iteration 7 results  Figure 9: Front 30 wall with 17 tube distribution with 250mm pinball radius |
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All mass distributed on all tubes vs. Specific mass distributed on respective tubes Front 30 Wall - All mass on all tubes Max = 359.41MPa  Corresponding Mass Setup |
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 Front 30 - Realistic Mass Max: 305.73MPa  Conclusion: not a significant effect, 50MPa by drastically altering the weight distribution; but an effect nonetheless |
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Note, not sure how Tommy got the picture below (from chassis FEA advisors meeting)
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