X-Virus-Scanned: clean according to Sophos on Logan.com Return-Path: Sender: To: lml@lancaironline.net Date: Wed, 06 Jun 2007 16:42:44 -0400 Message-ID: X-Original-Return-Path: Received: from [65.13.226.109] (HELO lucky.dts.local) by logan.com (CommuniGate Pro SMTP 5.1.9) with ESMTP id 2087792 for lml@lancaironline.net; Wed, 06 Jun 2007 14:29:00 -0400 Received-SPF: none receiver=logan.com; client-ip=65.13.226.109; envelope-from=cjensen@dts9000.com Content-class: urn:content-classes:message MIME-Version: 1.0 Content-Type: multipart/alternative; boundary="----_=_NextPart_001_01C7A868.7E131656" X-MimeOLE: Produced By Microsoft Exchange V6.5.6944.0 Subject: RE: [LML] Re: Lancair IV soundproofing X-Original-Date: Wed, 6 Jun 2007 14:28:34 -0400 X-Original-Message-ID: <8984A39879F2F5418251CBEEC9C689B3945D24@lucky.dts.local> X-MS-Has-Attach: X-MS-TNEF-Correlator: Thread-Topic: [LML] Re: Lancair IV soundproofing Thread-Index: AceoXaqxjDh/QStZTveXW/4gTNitngACkLxA From: "Chuck Jensen" X-Original-To: "Lancair Mailing List" This is a multi-part message in MIME format. ------_=_NextPart_001_01C7A868.7E131656 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: quoted-printable I don't have first hand experience with the Lancair sound proofing material, but sound proofing and weight go hand-in-hand. Heavier/denser materials are better sound deadeners--just the nature of the physics involved. There's a few materials that a bit lighter but they also suffer from reduced sound attenuation. In short, light material and good sound deadening are as incongruent as a dry martini. =20 =20 Chuck Jensen=20 ----Original Message----- From: Lancair Mailing List [mailto:lml@lancaironline.net] On Behalf Of Skip Slater Sent: Wednesday, June 06, 2007 1:11 PM To: lml@lancaironline.net Subject: [LML] Re: Lancair IV soundproofing 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. =20 Skip Slater=20 ------_=_NextPart_001_01C7A868.7E131656 Content-Type: text/html; charset="us-ascii" Content-Transfer-Encoding: quoted-printable Message
I = don't have first=20 hand experience with the Lancair sound proofing material, but sound = proofing and=20 weight go hand-in-hand.  Heavier/denser materials are better sound=20 deadeners--just the nature of the physics involved.  There's a few=20 materials that a bit lighter but they also suffer from reduced sound=20 attenuation.  In short, light material and good sound deadening are = as=20 incongruent as a dry martini. 
 
Chuck Jensen

----Original = Message-----
From: Lancair=20 Mailing List [mailto:lml@lancaironline.net] On Behalf Of Skip=20 Slater
Sent: Wednesday, June 06, 2007 1:11 PM
To:=20 lml@lancaironline.net
Subject: [LML] Re: Lancair IV=20 soundproofing

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 = Slater 
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