Spacecraft Structures pdf - ER - NASA

NASA Engineering Design Challenge: Spacecraft Structures 2007 – 137. Teacher PreparationIn order to prepare yourself and your classroom for this Engineering DesignChallenge, you should:• Use the Background Information section in this guide, and the EngineeringDesign Challenge web site at http://edc.nasa.gov to familiarize yourselfboth with the spacecraft structures used by NASA and the science andengineering concepts you will be introducing.• Read through the day-by-day activities in the following section of thisguide.• Gather the required materials.• Build the launcher.• Build the test rockets.• Practice the test procedure with your own designs.• Prepare the materials for the classroom.• Set up the classroom.• Organize students in teams.• Review safety procedures.• Notify parents using the flier included in the “Masters” section.Required MaterialsRequired MaterialsApproximate costper unitMinimum quantityfor a few teams(60 structures)Recommended quantityfor 12–15 teams(120 structures)Add for eachadditional team(10 structures)Craft Sticks 1/2¢ 1500 3000 250Dowels 15 to 50¢ for 3 ft. 5 5 0Hot-melt Glue(low-temperature type)5 to 50¢ per stick 12 20 2Corrugated Cardboard free 60 120 1035 mm Film Cans free 10 20 11-liter Soda Bottles free or 5¢ 8 20 12-liter Soda Bottles free or 5¢ 3 5 0Weight$2.35 for a 50-lb(23-kg) bag of sand20 to 50 lbs totalBrass Launch Tubes 80¢ for 4 inches 4 8 1Package Tape $2.00 1 roll 1 roll 0Small Paper Cups 4-oz, waxed 2 or 3¢ 12 36 3