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Old January 12th 11, 12:34 AM posted to rec.aviation.soaring
Brad[_2_]
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Posts: 722
Default condensation INSIDE of glider parts

Okay, we all know condensation forms On gliders inside of trailers,
but what about condensation forming INSIDE a cored sailplane part?

Pretty sure that is happening to my horizontal stabilizer. It is a
cored part, and it is inside of my shop right now, which is maybe a
little warmer than outside, but I bet the inside of the stabilizer is
way "warmer" than the ambient temperature.

I've been noticing that small drops of water have been hanging from
the attach holes for the fwd pin bracket (the bracket is not
installed), I figured it was residual water from when I wet sanded
last summer (but after baking the part in the sun for a few months
that should have evaporated), however I "justified" the water by
thinking maybe all the water didn't dry up (it was a very small amount
to begin with).

So, today I pulled the stab off the fin to start setting the elevator
bridge/auto hookup bits and I notice more drops, and then noticed the
cavity under the holes, at the top of the vertical fin was filled with
water!

Strange.................gotta love the PNW this time of year.

Brad