Thread: Lak17a FES blade performance impact testing video
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Old June 3rd 13, 05:17 PM posted to rec.aviation.soaring
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Default Lak17a FES blade performance impact testing video
On Sunday, June 2, 2013 10:30:54 AM UTC-7, Sean F (F2) wrote:
http://youtu.be/o0twY9cWOUg

What was the effect of the blades upon performance?