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Colorado Space Grant Consortium

Learn about the BalloonSat program, an affordable platform for students to launch missions to the edge of space. With origins dating back to 2000, this initiative offers hands-on experience in engineering challenges and high-altitude environments. Discover the hardware, construction methods, and previous student experiments conducted through BalloonSat. Get ready to build your own BalloonSat and participate in a real launch, supported by the Colorado Space Grant Consortium. Explore the opportunities, challenges, and rewards of sending your experiment close to space with BalloonSat.

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Colorado Space Grant Consortium

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  1. BalloonSat Overview Class #3 Colorado Space Grant Consortium

  2. Origins: - Started at Space Grant June 2000 - Was a student at Space Grant 1990-1995 - Programs had advanced - Hard for freshman students to get plugged in - Sink or Swim

  3. Origins: What if students could get close to space? - Met Edge of Space Sciences (EOSS) in Fall 1996

  4. Origins: - Promise of recovery and 100,000 feet - Price was right - Many launches every year - Some of the same engineering challenges

  5. Origins: With the combination of these items, BalloonSat was born

  6. Origins:

  7. BalloonSat: - BalloonSat is an excellent, low cost platform for “Walk” level student missions to the Edge of Space - A BalloonSat weighing up to 9 kg can reach 30 km (100,000 feet) - Students faced with many engineering challenges - Mach 1, -80 C, near vacuum, impact and burst - No microgravity but BalloonSat can be recovered

  8. Ballooning

  9. Ballooning - Ballooning is inexpensive - Helium (~$800) - Now Hydrogen (~$30) - Balloon (~$300) - You mostly control launch

  10. Ballooning When your balloon and payload ascend into the sky… Every student knows, their experiment is going where no one - except astronauts - has ever gone before

  11. BalloonSat Hardware: 555 Timing Circuit Digital Camera Datalogger & Temp Probe - Digital cameras - Photodiodes - Solar Cells - Geiger tubes - Desiccant - Insulation Batteries Basic Stamp

  12. BalloonSat Construction: Aluminum Construction Foam Core Construction

  13. BalloonSat Construction: - Velcro - Silicon Adhesive and Hot Glue - Aluminum Tape - Insulation - Venting - Condensation

  14. BalloonSats • Easy to attach to balloon • Easy to track and Recovery • Fun for all • You will build one this semester

  15. Black Foam Insulation ¼ and ½ inch Batteries (some) Digital Camera HOBO and Temp Probe 3 half sheets What you will get: - Velcro & hot glue - Aluminum tape - Xacto knives - Flight tube USA flag - Coolers - Multimeter & Wire - Gateway Store

  16. What you will get:

  17. What your team supplies: - Mission - Design - Time & Effort - Build, Test, Document, Fly, Recovery, & Analyze - Hardware order forms (HW #4)

  18. Past Student Experiments: - Atmospheric radiation levels - Solar cell efficiency - Atmospheric soundings - Video imaging - High altitude effects on roaches - Digital sound recording of upper atmosphere - Temperature studies Use Past Team Reports

  19. Launch: - Sites typically in eastern Colorado - Liftoff is 7:00 AM - 90 minutes up, 45 minutes down

  20. Launch: Supported by EOSS - 3000 gram latex balloon - Gaseous Hydrogen - Balloon filling system - Flight string - Radio Transceiver - GPS - Control Systems - Parachute - FAA notification

  21. Launch Review: https://www.youtube.com/watch?v=3PmIpua4btA

  22. Burst: - Altitude variable - One of the most violent moments of the flight - Mach I Series of burst images

  23. Burst:

  24. Burst:

  25. Burst:

  26. Burst:

  27. Burst:

  28. BalloonSats • Interesting burst 28

  29. Launch Review:

  30. Recovery: 30

  31. Recovery: - Begins after launch - Can track real-time - Recovery complete same day

  32. BalloonSat Testing: - Drop Test - Cooler Test - Subsystem Tests - Functional Tests - Mission Sim Tests - Whip Test DO NOT FOCUS ON STRUCTURAL TESTING ONLY

  33. Environments at 30 km: - Temperature can dip to -80°C - Biggest killer of past missions - Easy, repeatable science Burst (30 km) Landing Launch Coldest Tropopause

  34. BalloonSats: • BalloonSats are excellent way to do hands-on research • Motivates you to go further • See importance of your education • Prepared to contribute to more complex projects • Have the confidence to take the next step

  35. Questions? T-65 Colorado Space Grant Consortium

  36. Request For Proposals Colorado Space Grant Consortium

  37. What is an RFP? - There is a lot of money out there - There are a lot of ideas - Request For Proposal bring them together - Most satellites were at one time an RFP - Most of you will write or help write a proposal in your job - Now is your time to practice

  38. SEE RFP

  39. To Recap RFP: - Final weight shall not exceed 850 grams - Shall image the Earth or the Balloon during flight, record internal and external temperature - Must have one additional experiment (minimum) - Must follow all the guidelines while writing proposal - Why and How – this is your plan and foundation for project

  40. So... - Take the ideas you came up with individually during the HW#1 - Start with these in your team and expand them during HW #2 - But…Keep It Simple Stupid (KISS Principle) - Start now! - You are writing a proposal not a request for proposal - Proposals Due February 19, 2016 (18 days) - Launch is April 9, 2016 (68 days)

  41. Presentation: Presentation Templates - Final presentation should cover same items in final report

  42. Final Written Report: Design Document Template - You will write you team’s final report throughout the semester with our Design Document revisions

  43. Drawings:

  44. Functional Block Diagrams Colorado Space Grant Consortium

  45. Functional Block Diagram:

  46. Data Line AVR 2MB Flash, Temp, Pressure, XY Accel Onboard 9V 9V 9V Analog #1 9V 9V 1.5V 9V Analog #2 Inputs Analog #3 Data Line Analog #4 3.3V 5.0V 9.0V Outputs Heater Switch Switch Camera 2 GB

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