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Old Sep 11, 2012, 02:21 AM
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The 'Wack, BC, Canada
Joined Oct 2002
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It's definetly "NACA" and not "NASA" but that's a minor detail.

0030 is 30% thick. I can't think of anything on a Yak 50 that is 1/3 as thick as it is wide. Even the rather thick tail surfaces are only MAYBE 20% thick. You might want to confirm your information source with another one or two options.
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