A homemade anomometer I made a while back from a digital bicycle speedometer when I was experementing with homemade wind turbine generators. A must have if you want to figure out the efficiency of your home made turbine. Something of note that I forgot to mention in the vid is that this speedometer in particular stores past averages speeds, which is a nice feature to look for if you go to buy one.
The most important thing to keep in mind with this project is the size of the bicycle wheel the device is set to meter vs. the size of your anemometer turbine.
Parts:
Cateye Enduro 8 Bike Speedometer
RC car wheel and bearing
4 vending machine "eggs"
1 bolt
2 nuts
1 thin wire
1 random steel rod
wire ties
Videos of homemade wind turbines coming in spring.
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