Today, we had our first trial for launching 2-Liter bottle rockets. It went successfully and we were able to launch the bottle on our first attempt. Because there were no modifications made to the rockets, each group's rocket was the same in the initial attempt. First, we filled our bottle up with a little bit of water (about 1/5 of the way full) and prepared the rocket's launch pad. A metal stand planted in the ground held our platform upright, while a clasp held the bottle in place on top. We pumped the bottle until the pressure in the bottle reached 150 atm and pulled the relapse clip after a *dramatic countdown. Our bottle did launch successfully, although didn't stay in the air for more than a few seconds (4-5), a far cry from the minimum 10 seconds. Hopefully, our additions and modifications to our rocket in class tomorrow will help improve our results:)
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