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Looking at DIY miniature wind tunnel plans. I feel like you can't go wrong with plans from NASA (https://www.grc.nasa.gov/www/k-12/airplane/tunsmoke.html), but I'm put off by the giant perspex sheet.
Looking at DIY miniature wind tunnel plans. I feel like you can't go wrong with plans from NASA (https://www.grc.nasa.gov/www/k-12/airplane/tunsmoke.html), but I'm put off by the giant perspex sheet.