Difference between revisions of "SSI-23"
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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, 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. | + | 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 == | ||
| + | [[File:SSI-23_04.png | left | thumb | <center> The team</center>]] | ||
SSI-23 was part of a combined 3 balloon launch with [[SSI-24]] and [[SSI-25]] designed to acquaint 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. | SSI-23 was part of a combined 3 balloon launch with [[SSI-24]] and [[SSI-25]] designed to acquaint 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 == | ||
| + | [[File:SSI-23_05.jpg | left | thumb| <center> The Arduino electronics </center>]] | ||
The Arduino based payload measured time, acceleration, magnetic fields, orientation, temperature, pressure, light intensity, solar panel current, solar panel voltage, and was capable self regulating its temperature with heaters and dropping a payload with a stepper motor. | The Arduino based payload measured time, acceleration, magnetic fields, orientation, temperature, pressure, light intensity, solar panel current, solar panel voltage, and was capable self regulating its temperature with heaters and dropping a payload with a stepper motor. | ||
| + | [[File:SSI-23_09.jpg | left | thumb| <center> The finished payload </center>]] | ||
== Launch site == | == Launch site == | ||
| + | [[File:SSI-23_12.jpg | left | thumb| <center> The launch site </center>]] | ||
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. | 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 == | ||
| + | [[File:SSI-23_00.png | left | thumb| <center> 33Km view</center>]] | ||
SSI-23 was outfitted with a balloon with about .5 net Kg of lift. | 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. | + | 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. |
| + | [[File:SSI-23_06.jpg | left| thumb| <center> Ground track </center>]] | ||
Despite this, the payload never fell apart, and it successfully flew 155.10 kilometers East at 79°. | 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. | 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_07.png | left| thumb| <center> [[SSI-24]] or [[SSI-25]] </center>]] | ||
| + | [[File:SSI-23_01.png | left| thumb| <center> Popped balloon </center>]] | ||
| + | [[File:SSI-23_08.png | left| thumb| <center> Parachute deployment </center>]] | ||
| + | [[File:SSI-23_13.jpg | left| thumb| <center> The landing </center]] | ||
| + | [[File:SSI-23_14.jpg | left| thumb| <center> The unfortunate landing area </center>]] | ||
| + | [[File:SSI-23_10.jpg | left| thumb| <center> the decorations</center>]] | ||
| + | [[File:SSI-23_11.jpg | left| thumb| <center> The retrieved payload </center>]] | ||
== Debriefing == | == Debriefing == | ||
SSI-23 was a success and fulfilled all of the initial goals set out by the team. | SSI-23 was a success and fulfilled all of the initial goals set out by the team. | ||
| + | [[File:SSI-23_15.jpg | left| thumb| <center> Pressure as a function of time </center>]] | ||
| + | [[File:SSI-23_16.jpg | left| thumb| <center> Temperature as a function of time </center>]] | ||
== Milestones == | == Milestones == | ||
| Line 51: | Line 67: | ||
File:SSI-23_14.jpg | <center> The unfortunate landing area </center> | File:SSI-23_14.jpg | <center> The unfortunate landing area </center> | ||
File:SSI-23_13.jpg | <center> The landing </center> | File:SSI-23_13.jpg | <center> The landing </center> | ||
| − | File:SSI-23_11.jpg | <center> The retrieved | + | File:SSI-23_11.jpg | <center> The retrieved payload </center> |
File:SSI-23_15.jpg | <center> Pressure as a function of time </center> | File:SSI-23_15.jpg | <center> Pressure as a function of time </center> | ||
File:SSI-23_16.jpg | <center> Temperature as a function of time </center> | File:SSI-23_16.jpg | <center> Temperature as a function of time </center> | ||
Revision as of 02:43, 28 October 2015
| SSI-23 (Gemini) | ||||
|---|---|---|---|---|
| ||||
| Launch date | October 24th, 2015, 11:39AM PDT | |||
| Launch site | 2093 San Juan Drive, Hollister, CA | |||
| Launch coordinates | 36.84842,-121.43236 | |||
| Flight duration | 3 hours, 20 minutes | |||
| Landing coordinates | 37.08607,-119.71602 | |||
| ||||
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
SSI-23 was part of a combined 3 balloon launch with SSI-24 and SSI-25 designed to acquaint 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
The Arduino based payload measured time, acceleration, magnetic fields, orientation, temperature, pressure, light intensity, solar panel current, solar panel voltage, and was capable self regulating its temperature with heaters and dropping a payload with a stepper motor.
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
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.
Debriefing
SSI-23 was a success and fulfilled all of the initial goals set out by the team.
Milestones
- Successful implementation of a gimbal for the SPOT GPS
- Successful implementation of a deployment mechanism for dropping an object at a specified altitude
- Successful implementation of insulation to maintain a temperature of above +3C and have all electronics still functioning on landing.
Gallery
33Km view 
The team 
Ground track 
The Arduino electronics 
The finished payload 
The launch site 
The decorations 
Popped balloon 
Parachute deployment 
The unfortunate landing area 
The landing 
The retrieved payload 
Pressure as a function of time 
Temperature as a function of time 
Sub-payload deployment mechanism
| Balloon Launches | |
|---|---|
| 2014-15 | SSI-19 • 20 • 21 • 22 |
| 2015-16 | SSI-23(a) • 24 • 25 • 26 • 27 • 28 • 29 • 30 • 31 • 32 • 33 • 34 • 35 • 36 • 37 • 38 • 39 • 40 • 41 • 42 • 43 |
| 2016-17 | 44 • 45 • 46 • 47 • 48 • 49 • 50 • 51 • 52 |
| 2017-18 | |
| 2018-19 | 83 • 86 • 87 • 90 • 91 |
| 2019-20 | 92 • 93 • 97 |
| V • E | |