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- TL;DR Summary
- I recently have made a wind turbine and tested it (without any dynamo/alternator attached) and found the RPM to be around 360. What to know from others how my turbine has performed.
I recently have made a wind turbine based on Michael Waters basic design. It has 25 cm diameter and two bearings are attached to the shaft. At first, I have tested by putting it at the top of a ball point pen under a ceiling fan. You can see how it rotated in this video. But when I added the shaft and attached two bearings to it, the RPM reduced drastically in the same condition. You can check that from the second video. I now have tested it by putting it before a table that can generate around 6 m/s wind velocity and found the RPM to be around 360. You can check that from the third video. I am sure that with better bearings, the RPM can be much higher. Still I want to know how it has performed from others.