Friday, March 2, 2012

Rocket Post #4

Hey so today we had our third launch already.  This time it was our modified rocket with a parachute attached.  As you can see from the video I'm adding with this post, well lets just say that the first time wasn't exactly perfect.  This was the first of two launches that we did today and the parachute didn't deploy at all.  However after seeing the first time we figured out what was wrong with it and corrected it for the second try.  Unfortunately we didn't film the second try but it did in fact work!!  After seeing that the parachute was too tightly wrapped we decided that maybe we should open it a bit so that it would open up faster, which it did and turned our day into a success.  Though it may seem like we are just messing around with rockets, we are actually getting valuable scientific information for our project.  We have learned that though we did increase the mass of our projectile, it has given it a different shape, which in turn causes it to fall differently in comparison from how it originally was.  Not only that but the parachute also helps slow the decent of the rocket down because it changes the surface area of the rocket,  which in turn causes more wind resistance to the rocket.

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