SImple kite string tufts held on with aluminum tape. Fun to watch the flow.

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Comment by Stephen R. Smith on December 31, 2008 at 8:52pm
Ok, now that is a cool trick. How do you explain what is going on with the string on the flap? I would love to see the behavior change as the flaps are slowly lowered. I would also like to see the behavior change with a speed change.

Comment by Tim Garrett on December 31, 2008 at 11:37am
I was looking for fun! I have done a lot of wind tunnel testing during my aerospace career and wanted to do this for myself.

The spanwise flow inboard was interesting as well as the reverse flow down into the flap hingeline.
Comment by Zenith.Aero on December 31, 2008 at 11:26am
Nicely done. What were looking for with the tuft testing?

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