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SSI-23 Gemini was the 23rd launch of SSI Balloons and the first launch for the inexperienced all-freshman team. It was a complete success, querying kinetic and atmospheric data, logging data, powering heaters, never using them because of internal insulation, generating current with a solar panel, capturing beautiful shots with a camera, and dropping a paper plane at a specific altitude. It flew 155.10 kilometers over a course of 3 hours and 20 minutes, landing in a University of California research facility.
SSI-23 Gemini was the 23rd launch of SSI Balloons and the first launch for the inexperienced all-freshman team. It was a complete success, querying kinetic and atmospheric data, logging data, powering heaters, never using them because of internal insulation, generating current with a solar panel, capturing beautiful shots with a camera orienting the GPS upward with a gimbal, and dropping a paper plane at a specific altitude. It flew 155.10 kilometers over a course of 3 hours and 20 minutes, landing in a University of California research facility.
== Pre-Launch ==
== Pre-Launch ==
SSI-23 was part of a combined 3 balloon launch with [[SSI-24]] and [[SSI-25]] designed to aquatint the new members of SSI with the process of designing a payload and launching a balloon. The teams started with a single week to construct the payload, but were given a two week extension after some unfortunate circumstances.
== Payload Specifications ==
== Payload Specifications ==
== Launch site ==
== Launch site ==
SSI-23 was launched from a park near 2093 San Juan Drive, Hollister, CA at 11:39AM. The conditions were not too sunny or windy, providing a great start as the balloons were picked up by the easterly drafts.
== The Flight ==
== The Flight ==
155.10 kilometers E (79°)
SSI-23 was outfitted with a balloon with about .5 net Kg of lift.
Once the rope was cut, the balloon accelerated upwards, and immediately began to spin on its horizontal axis, an unforeseen consequence of the selfie stick.
Despite this, the payload never fell apart, and it successfully flew 155.10 kilometers East at 79°.
It ended up in the University of California Agriculture and Natural Resources experimental range, which was interesting given our choice of decorations.
[[File:SSI-23_06.jpg | thumb | <center> ground track </center>]]
[[File:SSI-23_06.jpg | thumb | <center> ground track </center>]]