X-Virus-Scanned: clean according to Sophos on Logan.com Return-Path: Received: from [129.116.87.170] (HELO MAIL01.austin.utexas.edu) by logan.com (CommuniGate Pro SMTP 4.3c5) with ESMTP id 910819 for flyrotary@lancaironline.net; Thu, 21 Apr 2005 21:06:29 -0400 Received-SPF: none receiver=logan.com; client-ip=129.116.87.170; envelope-from=mark.steitle@austin.utexas.edu X-MimeOLE: Produced By Microsoft Exchange V6.5.7226.0 Content-class: urn:content-classes:message MIME-Version: 1.0 Content-Type: multipart/mixed; boundary="----_=_NextPart_001_01C546D7.68FB1EF0" Subject: RE: [FlyRotary] Re: Aeroturbine muffler Date: Thu, 21 Apr 2005 20:05:02 -0500 Message-ID: <87DBA06C9A5CB84B80439BA09D86E69E6CB677@MAIL01.austin.utexas.edu> X-MS-Has-Attach: X-MS-TNEF-Correlator: <87DBA06C9A5CB84B80439BA09D86E69E6CB677@MAIL01.austin.utexas.edu> Thread-Topic: [FlyRotary] Re: Aeroturbine muffler Thread-Index: AcVGuinWxLnNHux2SmKPqnCDg7N/DAAHSZ3g From: "Mark R Steitle" To: "Rotary motors in aircraft" This is a multi-part message in MIME format. ------_=_NextPart_001_01C546D7.68FB1EF0 Content-Type: text/plain; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable Ed, Did you see that these come with a lifetime warranty? =20 Mark -----Original Message----- From: Rotary motors in aircraft on behalf of Ed Anderson Sent: Thu 4/21/2005 4:35 PM To: Rotary motors in aircraft Subject: [FlyRotary] Re: Aeroturbine muffler =20 MessageMark it reminds me a bit of some of the "inserts" you can put in = your header. I tried some in my turbo block headers and while they did = lower the noise and I was initially pleased, the shock wave of the = exhaust reduced the mild steel they were fabricated from to small pieces = within a month. No question the muffler insert would probably withstand = the heat being ceramic - but, I would wonder about the shock. This is = the shock that reduced some of my early SS fishtail tube attachments to = fragments in a few minutes of WOT - pieces missing, gone like something = had bit them out. All due to metal fatigue. Ed ----- Original Message -----=20 From: Mark R Steitle=20 To: Rotary motors in aircraft=20 Sent: Thursday, April 21, 2005 5:28 PM Subject: [FlyRotary] Re: Aeroturbine muffler Rusty, According to their website, it sure does, "Easily replaceable = aerospace ceramic muffling cartridge" But hey, its "aerospace" grade ceramic. =20 =20 Mark=20 -------------------------------------------------------------------------= ----- From: Rotary motors in aircraft [mailto:flyrotary@lancaironline.net] = On Behalf Of Russell Duffy Sent: Thursday, April 21, 2005 4:20 PM To: Rotary motors in aircraft Subject: [FlyRotary] Re: Aeroturbine muffler =20 More info available at = http://www.pickupspecialties.com/Aero_Turbine/aeroturbine_mufflers.htm. = Comments??? =20 Mark S. =20 =20 Looks pretty interesting. I need a small, lightweight muffler for the = single rotor project, and have been thinking of these: http://www.burnsstainless.com/UltraliteMuffler/ultralitemuffler.html =20 It sounds like there's either ceramic, or stainless packing in the = Burns muffler though, and no lifetime warranty. =20 =20 Rusty (off to do another 30 minute test for oil leakage)=20 ------_=_NextPart_001_01C546D7.68FB1EF0 Content-Type: application/ms-tnef; name="winmail.dat" Content-Transfer-Encoding: base64 eJ8+Ii0BAQaQCAAEAAAAAAABAAEAAQeQBgAIAAAA5AQAAAAAAADoAAEIgAcAGAAAAElQTS5NaWNy b3NvZnQgTWFpbC5Ob3RlADEIAQ2ABAACAAAAAgACAAEEgAEAKAAAAFJFOiBbRmx5Um90YXJ5XSBS ZTogQWVyb3R1cmJpbmUgbXVmZmxlcgAXDgEFgAMADgAAANUHBAAVABQABQACAAQAFAEBIIADAA4A AADVBwQAFQAUAAUALAAEAD4BAQmAAQAhAAAAMEYyQjQwNjFEMTA0MDg0MTg3ODE0OUE0RjI0OTYz NjcA0AYBA5AGALwMAAA4AAAAAwAmAAAAAAADADYAAAAAAEAAOQAAHE1Q10bFAR4APQABAAAABQAA AFJFOiAAAAAAAgFHAAEAAAAvAAAAYz11czthPSA7cD1BVVNUSU47bD1NQUlMMDEtMDUwNDIyMDEw 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