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Team Bugz

Members: Keinen Edwards Oscar Torres Adam Hasib Mentor: Ken Fowler. Team Bugz. Method. Experiment: -Use two stations to measure balloon altitude and the effect of the weather on the tether and altitude at intervals of 100 ft.

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Team Bugz

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  1. Members: Keinen Edwards Oscar Torres Adam Hasib Mentor: Ken Fowler Team Bugz

  2. Method Experiment: -Use two stations to measure balloon altitude and the effect of the weather on the tether and altitude at intervals of 100 ft. -Compare the altitude of the balloon to the amount of tether let out. • Let out 100 ft. of tether; hold for about one minute and take measurements. • Do so again at 100 ft. tether intervals until the balloon reaches 700 ft.

  3. Hypotheses • For every 300 ft. of tether let out, the altitude of the balloon will be 200 ft. • The amount of tether let out will be significantly larger than the actual height. • The ratio of tether let out and measured altitude will change depending on wind and weather conditions.

  4. Data Analysis This is the graph of the altitude of the ballon versus the amount of tether that was let out. As the wind picked up in the middle the ratio of altitude to tether fell, indicating that the balloon had been blown to the side.

  5. Error Analysis • We think there are three main sources of error adding to an error of +/- 30 ft: • The tether length was accurate to about 1%, which is about 7 ft at full tether extension; • The vertical angles were accurate to about 1 degree which can cause a height error of up to 14 ft; • The GPS was accurate to about 7 ft., but this does not have significant effect on the data calculations.

  6. Conclusion • Over the course of our experiment, we saw initially no wind, then significant wind, and no wind again at the end. • Our first hypothesis was incorrect. • Our second hypothesis was correct for the middle part of the experiment. • Our third hypothesis was correct in that the wind did have a serious effect on the amount of tether let out which changed the altitude. • In comparison to the data from Kashyyk who did the same balloon, we found that there was a difference of about 50 ft. in height over the course of the experiment. Their measurements were a little low whereas ours were a little high. This supports our postulate of +/- 30 ft. error.

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