Mailing List lml@lancaironline.net Message #18058
From: <Newlan2dl@aol.com>
Sender: Marvin Kaye <marv@lancaironline.net>
Subject: Re: [LML] Re: Lancair acoustic testing
Date: Sat, 15 Mar 2003 09:39:33 -0500
To: <lml>
Hi Don

Thanks

I met with Dave Morse today and looked at his beutiful new Legacy.  I think I
will be able to work with him on his plane to try and get some weight out and
definately some of the sound out.  Already have a lot of ideas, now to try
and keep it all really light.  Some of the stuff we'll try is in the neighbor
hood of .05- .15 pounds/sq. ft. so that's not too much weight.  We'll compare
that to what massive barriers.

The packages I,ve designed vary between pure barriers to pure absorbers with
several in betwen.  All will reduce the noise some but how much they reduce
them and at what cost in weight is the other.  I suspect we can get many dB
out. We'll let you know on line later.

Dan
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