Wednesday, February 15, 2012

Structural efficiency activity

Today in class, we made an 8 inch tall structure out of playing cards of tape that was required to hold at least 5 lbs.
 
       Image of your structure
 
We were in second place for the weight, which was 7861 g. Our structural efficiency rating was 225.69, which was about average. In our preliminary tests, we just made sure it held about 2200 g. which is about five lbs. We didnt revise our design.To improve structural efficiency, we could have made the cards half circles for more support and used less tape for less mass.       

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