I had some issues with my flow visualization which is how I wanted to test the objects in the wind tunnel. I intended to use dry ice with warm water to give off the smokey effect of CO2, but it did not work as well as I thought it would. I could not record a video of it because it was basically invisible unless you were there in person. I might try other methods of smoke like smoke bombs or something, but this is my situation right now. I really put my money on the dry ice after reading many reviews on how good the smokey effect is. I might try it again with more in a darker place with better lighting so that I can get a good video of us testing a toy helicopter in the wind tunnel.
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