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Wrinkly flat panels



 
 
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Old February 26th 04, 01:40 PM
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In article , Richard Lamb wrote:


Spraying a urethane foam on the inside:
This will stiffen the panel and improve the noise level inside the aircraft.
It would require a fire rated foam such as "gator skin". Other are
available. I'm leaning this way.

Thanks to all,
tom pettit


Lean back the other way some, Tom.
You are about to fall off of something here...

Filling large cavities with foam may be great for boats,
but don't do it to a metal airplane.

The lightest mix you'll get will be at least 3 pounds per cubic foot,
minimum.


Richard


Sorry I wasn't clearer on my intention. I'd only spray about an inch on the
panels. Not much weight, and still get significant damping.

tom
 




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