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Old May 03, 2003, 04:02 AM
hayman
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[RCSE] Phil's bagging video, kevlar TE question, tiny bit ofTri-State Soaring news

Forwarded for Phil Barnes.

Can someone that uses AOL help him figure out what he needs to do to post to RCSE?


Kevin
>
>I would post this to RCSE but I have never figured out how to submit stuff in
>
>"plain text" or turn off "MIME". I am rather computer illiterate.
>
>The kevlar certainly should extend far enough forward to cover the hinge
>lines.
>That way you get the kevlar hinge. Beyond that point it is just a tradeoff
>between strength (carbon) vs. light weight (kevlar). On my 3M
>wings the separation is set so that there is about 1/3 wing area kevlar and
>2/3 carbon. This was just an eyeball determination. Based on my experience
>and
>what looked about right. The separation point tends to move more toward the
>LE ( as a percentage of chord) as you move out towards the tip.
>
>The Mantis has a full carbon skin. There is a 3/4" wide strip of kevlar at
>the
>hinge line. The video shows this but in the video I actually forgot to
>specifically mention the kevlar strip. I think most people would have figured
>it out anyway
>though they might have wondered how wide the kevlar strip was.
>
>I did make a couple Mantis wings with the carbon/ kevlar layup. No reason not
>
>to, I just never started doing it on production Mantis wings.
>
>Phil
>
>

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