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1 Student Hands On Training I (2009) Construction, Integration, and Test Construction, Integration, and Test
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2 Hands-on: Construction and Integration
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4 - Your team will have 2.5 hours today to do the following: - Layout and construct BalloonSat structure - Insulate structure - Integrate and test systems - Install switches - Secure and organize wiring - Install flight string attachment tube
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5 - 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” Hands-on: Construction and Integration
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BalloonSat Construction: - There is a BETTER way of building with foam core - Requires algebra and geometry - See paper in back of your course book -
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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
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- 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) BalloonSat Construction:
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- Step 2: Cut it out
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BalloonSat Construction: - Step 2: Cut it out
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- 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 Hands-on: Construction and Integration
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- Cut holes for switch and camera lens - Cut hole through center for balloon attachment tube Hands-on: Construction and Integration
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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
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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
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BalloonSat Construction: - Step 4: Glue it together and strengthen corners
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18 BalloonSat Construction: Things to remember: You only have one - Switches
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19 - 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 Hands-on: Construction and Integration
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- 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 Hands-on: Construction and Integration
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21 - Integrate camera system and verify camera settings - Integrate Flight String attachment tube and test clearance with sample string - American Flag Hands-on: Construction and Integration
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22 - Install Heater - Test switch (let’s talk first) - Tape in off position - Team label and reward label on outside of box - Bring to Chris for inspection and weigh in - Have team picture taken Hands-on: Construction and Integration
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BalloonSat Construction: Resources in the Room: - Construction examples in the room - Two Soldering stations - Two weigh-in station - ½” and ¼” foam insulation - Velcro - Tape - Helpers - Peace and love
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24 Student Hands On Training I (2009) Questions?
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