Wind Engineering
Share your creation with other DIYers!
Complete this activity and collect!
What is it?
Weather vanes are simple instruments that show the direction of wind, but not the speed. When properly designed they have two sides around a central pivot point that are unequal in surface area, but equal in weight. One side catches more wind and swings around.
Instructions
Final steps
You're almost there! Complete all the steps, bring your creation to life, post it, and conquer the challenge!