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#1
June 12th 17, 06:51 PM
posted to rec.aviation.soaring
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Gap seals effectiveness study?
The air flow escaping through this area might induce flutter (which in turn will induce a loss of performance of 100%).
Bert "TW" Are you talking about the exterior mylar seals or the fabric "S" seals in the joint? Once the fabric seals are in place I don't think air escaping is the real issue, more of turbulence due to the dip in the sahpe, but I suppose that could aid flutter. 
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#2
June 13th 17, 05:55 AM
posted to rec.aviation.soaring
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Gap seals effectiveness study?
On Monday, June 12, 2017 at 11:51:11 AM UTC-6, wrote:
The air flow escaping through this area might induce flutter (which in turn will induce a loss of performance of 100%). Bert "TW" Are you talking about the exterior mylar seals or the fabric "S" seals in the joint? Once the fabric seals are in place I don't think air escaping is the real issue, more of turbulence due to the dip in the sahpe, but I suppose that could aid flutter. I see now that some gliders don't have seals internal to the joint, and depend only on these exterior seals, so you're right about the flutter problem.
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