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Team Zephyr Launch Readiness Review

Team Zephyr Launch Readiness Review. Joseph Sheehey, Huy Le, Andrew Zizzi, Alex Morrow, Sam Evans, Logan Wright November 11, 2008. Mission Overview. Ascend to approximately 31,000 meters. Take ambient light readings during the entire flight Using LED Photometer strings Recorded on HOBOs

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Team Zephyr Launch Readiness Review

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  1. Team ZephyrLaunch Readiness Review Joseph Sheehey, Huy Le, Andrew Zizzi, Alex Morrow, Sam Evans, Logan Wright November 11, 2008

  2. Mission Overview • Ascend to approximately 31,000 meters. • Take ambient light readings during the entire flight • Using LED Photometer strings • Recorded on HOBOs • Take photographs for the entire duration of the flight at 15 second intervals.

  3. Design Overview • 15cm Cube • Two rows of 5 LEDs on each side • 1 LED of each wavelength on each side and top • 5cm Baffling tube on each LED • Camera • Filter allows clear view while minimizing heat loss

  4. Cold Test 1

  5. Cold Test 2

  6. Cold Test Light Intensity Violet

  7. Structural Test Results • Drop Test – Passed • 8 story drop with mass simulators • BalloonSat received minimal damage • Whip Test – Passed • String Attachment Tube was undamaged • Internal components were unmoved • Stair Test – Passed • Survived 20 Stair drop/kick with dented corners and edges.

  8. Flight Results (Predicted) • Visible light spectrum will remain the same intensity or decreased with increased altitude. • IR radiation will increase with increasing altitude. • Water vapor in atmosphere filters out Infrared radiation from reaching the ground. • UV radiation will increase with increasing altitude. • The ozone and atmosphere almost completely filter out UV radiation from reaching the ground. • UV radiation will increase drastically above the Ozone layer at approximately 24 km.

  9. Biggest Worries • Cold • First Cold Test Failed • Second Cold Test Passed (4 hours) but did not get as cold • Camera failing because of cold

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