Yes I am building a wind tunnel... and the biggest problem in doing so is getting rid of turbulence from the air source, in this case a fan. So to do that I am building a fan (air source) that should have a limited amount of disturbed air. What I want is a smooth airflow into the test area and a bladeless fan seems to be the obvious choice..
I built a fan like this before HERE but didn't provide too many details of the construction. This time I built a slightly bigger fan and have provided all the details in a neat video.
Email me with questions or leave a comment... There is a lot more to come on this topic so stay tuned...