"Green Xenon [Radium]" wrote in message
news:477837bc$0$5173$4c368faf@roadrunner.com...
> Robert M. Gary wrote:
>
>
>> Huh? I've never even heard of sound proof materials. If there were
>> such a thing it would be great in aircraft, you'd never hear the
>> engines at all. You could become a bizilianaire if you invented a
>> sound proof material.
>
>
> Synthetic leather is not 100% sound-proof. However, it is capable of
> attenuating a cochlea-zapping blast to where it is soft enough not to
> disturb those in the plane.
What about the exterior panel, the interior panel, whatever they stuffed
inside those panels, the multi-pane window, the door seals, outer and inner
airplane walls, whatever they stuffed inside those walls, decorative
interior panels, carpeting, seat upholstery, etc., etc., etc.? A few square
inches of leatherette on the emergency exit door seems insignificant by
comparison.
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