http://www.instructables.com/id/Paper-Cup-Anemometer/

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Paper Cup Anemometerby nkrauel on October 17, 2010

Table of Contents

Paper Cup Anemometer . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1

Intro:   Paper Cup Anemometer . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2

Step 1:   Materials needed . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2

Step 2:   Making the central hub . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2

Step 3:   Adding the spokes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3

Step 4:   Adding a bottom hole . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3

Step 5:   Creating the stand . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4

Step 6:   Adding the push pin . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4

Step 7:   Making the outer cups . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4

Step 8:   Adding the outer cups . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5

Related Instructables . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5

http://www.instructables.com/id/Paper-Cup-Anemometer/

Intro:  Paper Cup AnemometerCup anemometers are simple instruments used by meteorologists to measure wind speed.  This set of instructions will guide you through the process of making a verysimple anemometer using some common household products.  

Step 1: Materials needed5  3oz. paper cups2  Straws1  pencil with eraser1  push pin1  pair of scissors

Step 2: Making the central hubUsing a pair of scissors poke 4 evenly spaced holes around the edge of 1 cup. These holes should all be the same distance away from the edge of the cup. WARNINGthe pair of scissors are sharp be careful not to poke your fingers when making holes.  

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Step 3: Adding the spokesInsert the straws through the holes you just made so that the straws overlap in the center of the cup.

Step 4: Adding a bottom holeMake a hole in the bottom of the cup at the very center.  Make sure that the hole is the size of your pencil.

http://www.instructables.com/id/Paper-Cup-Anemometer/

Step 5: Creating the standInsert the pencil through the hole in the bottom so that the eraser is touching the intersection of the straws.

Step 6: Adding the push pinPoke your push pin through the two straws and into the eraser in the pencil.

Step 7: Making the outer cupsUsing the scissors make two holes in the remaining 4 cups. Make sure that these holes are opposite of each other and are the same distance from the lip of the cups.

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Step 8: Adding the outer cupsPlace the onto the straws by threading the straws through the holes you just made in the cups. Position the cups so that the opening of one cup faces the bottom of theone before it.

Ten turns in one minute is equal to 1 mph of wind speed.  Marking the bottom of one cup will aid in counting the revolutions.  

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