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Science Lab Essay

865 words - 3 pages

Matt McCarthyEnergy and Transportation5/27/14Hot Air Balloon SummaryWhy did you select the design you did?My design was quite different than anyone else's in the class. Instead of constructing the gores of the balloon, I built the panels. I selected this design because, after my research, I determined that this balloon was less likely to have the potential for one huge rip that would ruin it. I also determined that it would be lighter than using whole sheets of tissue paper to build each gore. In the beginning it seemed like the most effective design in my eyes.How successful is this design?In the past this design has been shown to be very successful. However it is quite a tedious and meticulous building process so it cannot be rushed and I am hoping I have enough time in class to build it correctly.Design description and detailsTo start 16 pieces of tissue paper are paired up and glued together for a total of 8 layers. Then from there the strips that will complete each panel of the balloon are cut out. They will be glued together to form circles with the bottom being bigger than the top to give the balloon a "balloon-like" shape. The only area that cannot be constructed like this is the top, which will be covered from the inside with a single piece of tissue paper at the end of the build.Discuss the building processThe building process was incredibly long and tedious. The small individual pieces required a lot of time to be cut out, glued together, and finally glued on to the balloon. The process was very methodical and logical and the steps all made sense, but it took forever. The final part of gluing the two separate halves together and adding the top were almost impossible due to the fragility of the tissue paper.Explain any problems faced during the building did you solve the problems?The main problem that was faced was obviously ripping, however this was solved with more glue and tissue paper. The other challenge was making all the paper line up but there was excess paper so if I was short a piece I could cut another, and if I had an extra it could be discarded.Document any changes you had to make from the original design as you were building.No changes were made to original designs besides patch jobs.Reflect on the entire project overall.The process overall for me was very hard and long with little reward. If I had to do it again I would have constructed the gores and just made sure it was all air-tight. The problem with panels was although there was no big hole, there were a...

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