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Sorry it's kind of an ugly picture, but this is our egg protector! |
Our egg capsule was a liter bottle. Dax cut the top off. We used the bottom part of the bottle and taped bubble wrap on the inside of the walls. Then we put little bean bag beads inside the bottle. We also wrapped the egg in a layer of bubble wrap. Bubble wrap and bean bag beads are soft and light so the force of impact won't be too hard on the egg. Also it should reach it's maximum velocity, but it's maximum velocity would be low. It's better to be low so that it's impulse would be low too. At the bottom of the bottle, we taped a paper cone so that it's contact time will be longer and slow it down. We also put in a bag of water for some weight otherwise the bottle would flip over since there's more weight on the top of the bottle. To cover the top of the bottle, we just used styrofoam.
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These are the forces that acted upon our egg capsule. Because of it's weight and gravity, the egg was accelerating down, which is pretty obvious. Even though our capsule didn't fall the way we expected, it still survived!! |
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Our cone didn't work out very well only because our bottle flipped on it's side. In order to have our cone work better, I think we could've added a bit more weight to the the bottom of it. We had a plastic bag filled with a little bit of water, but I guess it wasn't enough since it wasn't heavy enough to stay at the bottom. The only reason it really survived was because of all of the cushioning. The little bean bag beads helped to slow down the eggs impact on the walls of the bottle or the ground and the bubble wrap around the egg protected it from cracking at all. To make it better for next time, We should have added more weight to the cone or maybe not have even had one. I think the cushioning with bubble wrap, styrofoam and beads would have been enough. Maybe some stuffing would've helped to slow it down too like if we just put the egg in the middle of a really fluffy pillow. :D
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Our capsule and our egg being dropped! :D |
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