Page 67 - Making things move_ DIY mechanisms for inventors, hobbyists, and artists

48 Making Things Move

P roject 2-1: Different Diving Boards

In this project, we’ll put a fixed weight on the end of each of four different materials
and see how they behave based on their material makeup and geometry.

Shopping List:

• Four ~12 in long strips of different materials, such as the ones used for
Figure 2-4:
• Wooden paint stirring stick
• Brass 1/16 × 1/4 in cross section

• Brass 1/32 × 1/2 in cross section
• Steel 0.020 × 1/2 in cross section
• Three C-clamps

• Scrap 1 × 3 wood board or hardcover book
• 4 oz clay blocks (or other small, fixed weights)
• Duct tape

FIGURE 2-4 Material testing