Shrek

About Our Team

Our team is from Grand Rapids, Michigan, United States. We are from KCTC, and are in the 9-12 age category.

A one person team from Grand Rapids Michigan.

Was a REcharge Labs MacGyver Windmills kit used for this project? No

What was the biggest challenge in trying to get your windmill to work properly? Getting the gearing system to work.

Wind speed - m/s (meters per second)Number of washers liftedMass lifted (g)Vertical distance moved (cm)
4.803261729.30 6.00
Time to move that distance (s)Economic Efficiency (%)
20.00117.40
Materials used:
MaterialQuantityCost per ($)Total cost
Skewers/coffee stirrers/popsicle sticks10.250.25
String (per 30 cm)0.750.500.38
Plastic cups12.002
Foam cylinders1.000
T-pins0.100
Straws0.500
PVC pipes (set)3.000
Spools1.500
Corks1.500
Duct tape (per cm)200.5010
Clear tape (per cm)100.101
Chipboard (per sheet)0.300
Index cards0.050
Construction paper/cardstock (per sheet)0.100
Dowels1.000
Balsa wood (per sheet)3.000
Coroplast (per sheet)3.500
Washers0.000
Cardboard (per cm)5000.00221.1
0
0
0
0
Total14.73