http://www.instructables.com/id/easy-wind-speed-meter-WSM/

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easy wind speed meter (WSM)by Gernerakos on May 14, 2011

Table of Contents

easy wind speed meter (WSM) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1

Intro:   Easy wind speed meter (WSM) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2

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

Step 2:   Changes on the multimeter . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2

Step 3:   Calibration . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2

Step 4:   Placing . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3

Related Instructables . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3

Advertisements . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4

Comments . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4

http://www.instructables.com/id/easy-wind-speed-meter-WSM/

Intro:  Easy wind speed meter (WSM)this inscrutable show how to make an wind speed meter. it's really easy so its won't need more than 5 minutes to make it .

Image Notes1. computer fan2. multimeter

Step 1: Materials

for this inscrutable you will need :-computer fan-230v cable (without grounding)-multimeter

Step 2: Changes on the multimeterpull out the cables from the multimeter and insert the brown one to the "COM" and the blue one to the "V ohm mA".at the other end of the cable the computer fan's red wire to the blue one and the black one to the brown.

Step 3: Calibrationask someone to help whit the calibrating.put the fan on your bike and start riding whit 10 km/h the other people (in my case my sister ) hold the multimeter.when you reach the 10km/h ask he/she what is the multimeter shows. here is my result:10=1v20=2v30=3v40=4v

but its deepens on the fan so check it!

http://www.instructables.com/id/easy-wind-speed-meter-WSM/

Image Notes1. it shows 2.25v

Step 4: Placingwhen you calibrate it put it into the window like on the picture . when the wind is blowing the fan will rotates and produce electricity that show on the multimeter. you canreplace the multimeter whit an led or anything the choose is yours.

bye!!

Image Notes1. oops its rotated (sorry)2. fan3. window

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http://www.instructables.com/id/easy-wind-speed-meter-WSM/

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Comments

3 comments Add Comment

 tylervitale says:  Nov 23, 2011. 7:43 PM  REPLYThis is actually a really good idea! I might need to try this...

 yaly says:  Aug 6, 2011. 3:30 PM  REPLYadd a trimmer in series with the fan to limit the voltage for calliberation

 erenjay says:  May 14, 2011. 7:46 AM  REPLYAwesome :)