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 flew 155.10 kilometers over a course of 3 hours and 20 minutes, reaching an altitude of 33 Kilometers before landing in a University of California research facility. 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. | |
| − | 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 | ||
== Pre-Launch == | == Pre-Launch == | ||
| − | SSI-23 was part of a combined 3 balloon launch with [[SSI-24]] and [[SSI-25]] designed to | + | [[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. | ||
== Payload Specifications == | == Payload Specifications == | ||
| − | The Arduino based payload measured time, acceleration, magnetic fields, orientation, temperature, pressure, light intensity, solar panel current, solar panel voltage | + | [[File:SSI-23_05.jpg | right | thumb| <center> The Arduino electronics </center>]] |
| + | The Arduino based payload measured time, acceleration, magnetic fields, orientation, temperature, pressure, light intensity, solar panel current, and solar panel voltage. It was capable of self regulating its temperature with heaters, orienting its SPOT GPS upright with a custom gimbal, and dropping a payload at a specified altitude with a stepper motor. | ||
== 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. | + | [[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 team left campus at 5:30AM, and was mostly ready to launch. Everything was working the night before, and the only change made was the addition of a power cable to the keychain camera. 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 | right | thumb| <center> 33Km view</center>]] | ||
| + | [[File:SSI-23_06.jpg | right| thumb| <center> Ground track </center>]] | ||
| + | [[File:SSI-23_11.jpg | right| thumb| <center> The retrieved payload </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. 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. | ||
== 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. | ||
| − | + | *Successful data collection and logging | |
| − | |||
| − | *Successful | ||
*Successful implementation of a deployment mechanism for dropping an object at a specified altitude | *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. | *Successful implementation of insulation to maintain a temperature of above +3C and have all electronics still functioning on landing. | ||
| + | *Successful implementation of a gimbal for the SPOT GPS | ||
| + | *Successful landing | ||
== Gallery == | == Gallery == | ||
<gallery widths=300px heights=300px> | <gallery widths=300px heights=300px> | ||
File:SSI-23_00.png | <center> 33Km view </center> | File:SSI-23_00.png | <center> 33Km view </center> | ||
| − | File:SSI-23_04.png | <center> | + | File:SSI-23_04.png | <center> The team</center> |
| − | File:SSI-23_06.jpg | <center> | + | File:SSI-23_06.jpg | <center> Ground track </center> |
| − | File:SSI-23_05.jpg | <center> | + | File:SSI-23_05.jpg | <center> The Arduino electronics </center> |
| − | File:SSI-23_09.jpg | <center> | + | File:SSI-23_09.jpg | <center> The finished payload </center> |
| − | File:SSI-23_12.jpg | <center> | + | File:SSI-23_12.jpg | <center> The launch site </center> |
| − | File:SSI-23_10.jpg | <center> | + | File:SSI-23_10.jpg | <center> The decorations</center> |
File:SSI-23_07.png | <center> [[SSI-24]] or [[SSI-25]] </center> | File:SSI-23_07.png | <center> [[SSI-24]] or [[SSI-25]] </center> | ||
| − | File:SSI-23_01.png | <center> | + | File:SSI-23_01.png | <center> Popped balloon </center> |
| − | File:SSI-23_08.png | <center> | + | File:SSI-23_08.png | <center> Parachute deployment </center> |
| − | File:SSI-23_14.jpg | <center> | + | File:SSI-23_14.jpg | <center> The unfortunate landing area </center> |
| − | File:SSI-23_13.jpg | <center> | + | File:SSI-23_13.jpg | <center> The landing </center> |
| − | File:SSI-23_11.jpg | <center> | + | File:SSI-23_11.jpg | <center> The retrieved payload </center> |
| − | File:SSI-23_15.jpg | <center> | + | File:SSI-23_15.jpg | <center> Pressure as a function of time </center> |
| − | File:SSI-23_16.jpg | <center> | + | File:SSI-23_16.jpg | <center> Temperature as a function of time </center> |
| − | File:SSI-23_03.gif | <center> deployment mechanism </center> | + | File:SSI-23_03.gif | <center> Sub-payload deployment mechanism </center> |
</gallery> | </gallery> | ||
{{balloon-footer}} | {{balloon-footer}} | ||
[[Category: High Altitude Balloons]][[Category: Balloon Launches]] | [[Category: High Altitude Balloons]][[Category: Balloon Launches]] | ||
Latest revision as of 14:59, 27 August 2016
| 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 flew 155.10 kilometers over a course of 3 hours and 20 minutes, reaching an altitude of 33 Kilometers before landing in a University of California research facility. 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.
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, and solar panel voltage. It was capable of self regulating its temperature with heaters, orienting its SPOT GPS upright with a custom gimbal, and dropping a payload at a specified altitude with a stepper motor.
Launch site
SSI-23 was launched from a park near 2093 San Juan Drive, Hollister, CA at 11:39AM. The team left campus at 5:30AM, and was mostly ready to launch. Everything was working the night before, and the only change made was the addition of a power cable to the keychain camera. 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.
- Successful data collection and logging
- 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.
- Successful implementation of a gimbal for the SPOT GPS
- Successful 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 | |