Northwest Elementary, Lincoln, IL · Tammy Dietrich · February 16, 2025
Project Overview
We are a group of four 5th graders who used their classmates experiments with blade shape and pitch to determine our blade design. We used a Chomp Saw to cut four blades from cardboard. We also used a 64 to 8 gear ratio.
Key Metrics
Wind Speed (m/s)
4
Rotor Swept Area (cm2)
3631.574
Resistor Value (ohms)
30
Output voltage (V)
0.94
Solar Home Elementary Division (4th-5th grades)




