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Testing of a Four Bladed VAWT with Narrow (40mm) Wings

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First published at 11:08 UTC on May 10th, 2021.

EngineeringFun

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Just documenting behavior of a VAWT with four 40mm NACA0024 wings, and another run of the original wings for comparison. I still like the three winged version best, but the four wings seemed to start turning easily. Three wings provides a wider and sturdier blade, but I still don't like how the blade is designed as if it was going through steady airflow when it is actually rotating rapidly. But that will be addressed by the next version.

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Category	DIY & Gardening
Sensitivity	Normal - Content that is suitable for ages 16 and over

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Testing of a Four Bladed VAWT with Narrow (40mm) Wings

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