Problem Statement

• 27 full-size craft sticks with holes drilled in the ends
• 29 shortened craft sticks with holes drilled in the ends
• 20 of #7 bolts and matching nuts
• Ruler
• Screwdriver
• Wrench

You must designate one or two bolts to which a wire will connect to attach the load as shown in the figure. Each load point must be more than 4 inches from the inside edge of the support (toward the center).

• You will work in teams.
• Count your sticks, bolts and nuts.
• Verify that all your materials are of acceptable quantity and quality.
  • ...Craft sticks which are damaged or improperly drilled may be replaced.
• Assemble a truss which meets the three objectives keeping in mind the principles we have discussed today.
• Keep a record of the following for your completed truss:
  • a diagram of your design
  • the number of long members used
  • the number of short members used
  • the number of nut-bolt pairs used
  • the weight at which your truss fails>

Excerpts from the ACSD (American Craft Stick Design) Code:

• Nuts must be fully seated (bolt threads show).
• All structures must be stable or they cannot be loaded.