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Colorado Space Grant Consortium

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  1. Gateway To Space ASEN / ASTR 2500 Class #06 T-58 Colorado Space Grant Consortium

  2. Today:

  3. Today: • Announcements • One Minute Reports • HOBOs, Cameras, Foamcore, Insulation, Multimeters • Next Tuesday is catch up and in class team time

  4. Announcements: • Website now has presentations • Give man a fish… • Innovate ideas don’t have solutions • - Breadcrumbs (HW)

  5. Foamcore ASEN / ASTR 2500 Colorado Space Grant Consortium

  6. Hands-on: Construction and Integration - BalloonSats are commonly made of foam core - Foam core is a simple, low cost composite panel - You will use hot glue and Xacto knives to create your box - There is a OK way of building with foam core - Cut individual pieces and glue them together - This way works but is not the best and requires more “belts and suspenders”

  7. BalloonSat Construction: - There is a BETTER way of building with foam core - Requires algebra and geometry - See paper in back of your course book -

  8. BalloonSat Construction: - When cutting foam core, remember you are cutting through three layers - Best to cut each layer individually - Go slow, use metal edge ruler - Be mindful

  9. BalloonSat Construction: - Step 1: Layout box design on foam core sheet In the interest of time, each team will be given a pre-traced foam board (black with labels)

  10. BalloonSat Construction: - Step 2: Cut it out

  11. BalloonSat Construction: - Step 2: Cut it out

  12. Hands-on: Construction and Integration - Draw center lines between inner and outer lines - All edge cuts are at 45 degree angles to the centerline - Cut inside edges first and only through top paper and foam not bottom paper (hinge) - Cut outside edges last but all the way through - Go Slow and don’t cut the tables - Please dispose of Xacto blades properly

  13. Hands-on: Construction and Integration

  14. Hands-on: Construction and Integration - Cut holes for switch and camera lens - Cut hole through center for balloon attachment tube

  15. BalloonSat Construction: - Step 3: Practice integration and make modifications Hold box together and figure out how much insulation you want to use. Will affect how your components sit in box

  16. BalloonSat Construction: - Step 4: Glue it together and strengthen corners - Your template was designed using the “Better Method” - After gluing, cover you seams with aluminum tape - Please don’t go overboard, weight is still an issue

  17. BalloonSat Construction: - Step 4: Glue it together and strengthen corners

  18. BalloonSat Construction: Things to remember: You only have one - Switches

  19. Hands-on: Construction and Integration - Install switches to box and glue switches in place from back side before making electrical connections - Keep switches on both sides and label ON/OFF positions - Make sure to re-connect the switch

  20. Hands-on: Construction and Integration - Balloon attachment tube hole should run through center of box on non-opening side - Make hole diameter as close to tube diameter as possible - Secure with paper clip - Make sure paper clip does not interfere with inner diameter

  21. BalloonSat Construction: Resources available for checkout: - Soldering stations - ½” and ¼” foam insulation - Foamcore - Velcro - Tape - Peace and love

  22. Multimeters ASEN / ASTR 2500 Colorado Space Grant Consortium

  23. Today:

  24. Voltmeter is very useful -

  25. Voltmeter 101: - This is the set up typically used

  26. Voltmeter 101: Use this setting to check resistor values -

  27. Voltmeter 101: Use this setting to check DC voltage -

  28. Voltmeter 101: Use this setting to check continuity -

  29. HOBOs ASEN / ASTR 2500 Colorado Space Grant Consortium

  30. Today:

  31. HOBO Data Logger RH Sensor External Channels LED Indicator Temp Sensor Serial Port

  32. Battery (back side) HOBO Data Logger RH Sensor External Channels LED Indicator Temp Sensor Serial Port

  33. HOBO Data Logger • Data Loggers our like our “Black Boxes” Burst (30 km) Landing Launch Coldest Tropopause

  34. Hands-on: Temperature Experiment Step 4: Connect Temperature cable (TMC1-HA) to channel 4 on HOBO Computer

  35. Hands-on: Temperature Experiment Step 7: Start HOBO Box Car 3.7 software

  36. Hands-on: Temperature Experiment Step 8: Launch HOBO computer

  37. Hands-on: Temperature Experiment Step 9: Check Battery & select “Enable/Disable Channels”

  38. Hands-on: Temperature Experiment Step 10: Select Channel 4

  39. Hands-on: Temperature Experiment Step 11: Select correct temperature cable

  40. Hands-on: Temperature Experiment Step 14: Select Data sampling or interval

  41. Hands-on: Temperature Experiment Step 15: Confirm Settings and select Start

  42. Hands-on: Temperature Experiment Step 16: Unplug PC cable from HOBO

  43. Hands-on: Temperature & Solar Experiments Take and Retrieve Data

  44. Hands-on: Temperature Experiment Step 17: Give your HOBO sensor some data

  45. Hands-on: Temperature Experiment Step 18: Connect PC Cable to HOBO Step 19: Select Readout

  46. Hands-on: Temperature Experiment Step 20: Verify data download

  47. Hands-on: Temperature Experiment Step 21: Disconnect PC cable from HOBO

  48. Hands-on: Temperature Experiment Step 22: Name Data

  49. Hands-on: Temperature Experiment Step 23: View Data