An anemometer is a device used to measure wind speed. There are different anemometers for different environments, situations, and measurements. A cup anemometer is the basic measurement tool.
A cup anemometer is commonly called a Robinson anemometer. It uses cups to catch wind, and spins the device. Count how many times the cups spin in a timed interval. This number will tell you how fast the wind is moving.
What You'll Need:
Five small paper cups
Hole punchScissors
Duct tape
Three thin wooden dowels
Empty water bottle
Stopwatch
What You'll Do:
Use the hole punch to make a hole in the side of each of the four paper cups.
Use the hole punch to make four holes spaced evenly around the rim of the last cup. This hole is the center of the anemometer.
Slide two of the wooden dowels through the holes in the center cup.
They should cross in an “X.”
Insert the ends of the dowels into the holes of the other cups and tape them into place.
Make sure the cups are all facing the same direction.
Take the last wooden dowel and make a hole in the bottom of the center cup.
Push the dowel up until it meets the X and tape everything together. This X is your rotation axis.
Put the center dowel into an empty water bottle and begin testing!
Objective:
Learn how to make an anemometer.
Have fun and have a great weekend, Mahoning Valley!
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