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MAKING A WIND ANEMOMETER - Level 1

EXPERIMENT 10

Equipment:

Thin sheets of aluminum (cardboard)
Dowel stock
2 glass beads
2 thin wooden sticks, 18" x ½"
Aluminum solder

The cups of the anemometer are made from the aluminum. Cut 2 circles about 4" in diameter. Cut these circles in half along the diagonal. Join the straight edges with aluminum solder, malting 4 small cups.

Attach the cups to 2 crossed sticks, so that all are heading in the same direction, as illustrated. Join sticks to dowel stock as follows: Nail, bead, crossed sticks, bead, dowel stock. Beads will act as bearings so the wind will turn anemometer freely.

Note that spinning is faster as the force of the wind increases.

Funded in part by

From
Raytheon Aviation
Educational Materials

Updated: February 23, 1999