Today began our third trial day in our attempt to create water bottle rocket that will sustain itself for 10 seconds in the air. During this trial, we added a cone to make it a bit more aerodynamic and a parachute attached under it to lengthen the drop once it has reached its maximum height. This time we filled our bottle with 600mL of water and pumped about 60psi, which sustained it in the air for about 3.2 seconds. Unfortunately we got results that weren’t rewarding but we did get results that will definitely help us to create another rocket that will help us reach our ultimate goal. In doing so, we predicted that our bottle needs to be elongated, new wings need to be added because during this trial they’re too heavy, and finally we need to some how find a balance between our bottle’s modifications with the amount of water and pressure inserted into our rocket. Viewing Rachelle and Shawnie's Blog, we've decided to try out some of their modification that they've found such as: https://www.lnhs.org/hayhurst/rockets/ So, until then back to the drawing board.
-Kanoe
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