This is just really fun & cool to see in general. The very end has an absolute gem. @rctestflighty compares the 3-element versus single element wing by using a

This is just really fun & cool to see in general. The very end has an absolute gem. @rctestflighty compares the 3-element versus single element wing by using a fog machine & line laser to see the airflow very clearly. So delighted to see this low-cost visualization tool in action! https://www.youtube.com/watch?v=Rc7PcmAl7Ag#t=13m18s https://www.youtube.com/watch?v=Rc7PcmAl7Ag#t=13m18s