Tuesday, February 12, 2008

Reflection

Unfortunatley, our cannon did not fire well do, we believe this is so, because the pressure that built up in our cannon was not compressing well, due to the high volume. Next time we would minimize the space in the cone, that way so our cannon would perform better. Our cannon's construction did hold well, because of the stable construction, and because we kept the metal ring on the exterior the heat did not cause the cannon's exterior to melt like some other groups. Working around with a group that I'm not that familar with has helped me realize that communication is key, and that in order to be a good group, you must keep the communication flowing.

Here are some pictures of the ball we attempted to launch.










As you can see, the ball was burnt. But unlike other cannons, ours, did not deform.







Other Groups
This was one of the smaller cannons, it didn't prove as effective, due to the jagged edge at the top of the cylinder.









This cannon proved to be the best with a result of shooting the ball around 20 feet.




Although this cannon proved to be such a good one, it compressed easily to the heat.







This Cannon proved to be very successful, since the cannon was constructed well, where it caused the nerf ball to explode out.


This cannon has a big opening volume, and because of it the ball hardly popped out.

This is Mr. Kelly putting the ethenol into one of the cannons.

This cannon is small, and proved to be ineffective because of the volume piece wasn't assembled
small enough so enough force would be emitted.

Another view of this cannon. Notice the metal ring that serves as the base.

One of the cannons, that was configured with an angle, so it doesn't rest at the base. The cannon began to melt because of the after effects of the hot water vapor and heat.

This cannon was thought to work extremely well, but didn't. We think it was because the top melted the fastest, and didn't allow the ball to escape fast enough.


This was an interesting cannon and design. Aside from the name it looked well constructed, but because of the size and top, we think it didn't perform as well because of it.

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