X-Virus-Scanned: clean according to Sophos on Logan.com Return-Path: Sender: To: lml@lancaironline.net Date: Wed, 06 Jun 2007 16:45:48 -0400 Message-ID: X-Original-Return-Path: Received: from mx3.pshift.com ([216.57.116.8] verified) by logan.com (CommuniGate Pro SMTP 5.1.9) with ESMTP id 2087921 for lml@lancaironline.net; Wed, 06 Jun 2007 15:35:35 -0400 Received-SPF: none receiver=logan.com; client-ip=216.57.116.8; envelope-from=colyncase@earthlink.net Received: from ccaselt2 (unverified [216.57.118.64]) by mx3.pshift.com (Vircom SMTPRS 4.4.568.30) with SMTP id for ; Wed, 6 Jun 2007 15:34:52 -0400 Received-SPF: none (mx3.pshift.com: domain of colyncase@earthlink.net does not designate any permitted senders) X-Modus-BlackList: 216.57.118.64=OK;colyncase@earthlink.net=OK X-Modus-RBL: 216.57.118.64=Excluded X-Modus-Trusted: 216.57.118.64=NO X-Modus-Audit: FALSE;0;0;0 X-Original-Message-ID: <013101c7a871$c5cf81b0$0202a8c0@nvidia.com> From: "Colyn Case on earthlink" X-Original-To: "Lancair Mailing List" References: Subject: Re: [LML] Re: Lancair IV soundproofing X-Original-Date: Wed, 6 Jun 2007 12:34:59 -0700 MIME-Version: 1.0 Content-Type: multipart/alternative; boundary="----=_NextPart_000_012E_01C7A837.190564C0" X-Priority: 3 X-MSMail-Priority: Normal X-Mailer: Microsoft Outlook Express 6.00.2900.3028 X-MimeOLE: Produced By Microsoft MimeOLE V6.00.2900.3028 This is a multi-part message in MIME format. ------=_NextPart_000_012E_01C7A837.190564C0 Content-Type: text/plain; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable Based on my understanding of what Dan Newlan says, the open cell would = only deal with ambient noise that had already penetrated the cabin. The = other two pieces are dampening, which uses a visco-elastic materal to = actually reduce vibration of the skin and sealing/barrier which prevents = sound from crossing into the cabin. My amateurish explanation. = ....but I strongly suggest anyone thinking seriously about sound = proofing talk to Dan first. I bought the same soundproofing kit from Lancair that Bryan did and my = interior installer told me not to use it. He said it was all open cell = foam, which will, over time, dry up and slowly disintigrate into powder. = He put in closed cell foam. Between the cost of the stuff and shipping = (it's HEAVY), it was a total waste of a pretty good chunk of change. Skip Slater ------=_NextPart_000_012E_01C7A837.190564C0 Content-Type: text/html; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable
Based on my understanding of what Dan = Newlan says,=20 the open cell would only deal with ambient noise that had already = penetrated the=20 cabin.  The other two pieces are dampening, which uses a = visco-elastic=20 materal to actually reduce vibration of the skin and sealing/barrier = which=20 prevents sound from crossing into the cabin.   My amateurish=20 explanation.   ....but I strongly suggest anyone thinking = seriously=20 about sound proofing talk to Dan first.

I bought the same soundproofing kit = from Lancair=20 that Bryan did and my interior installer told me not to use = it.  He=20 said it was all open cell foam, which will, over time, dry up and = slowly=20 disintigrate into powder.  He put in closed cell foam.  = Between the=20 cost of the stuff and shipping (it's HEAVY), it was a total waste of a = pretty=20 good chunk of change.
 
Skip=20 Slater 
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