X-Virus-Scanned: clean according to Sophos on Logan.com Return-Path: Received: from poplet2.per.eftel.com ([203.24.100.45] verified) by logan.com (CommuniGate Pro SMTP 5.2.14) with ESMTP id 3751814 for flyrotary@lancaironline.net; Fri, 10 Jul 2009 01:57:35 -0400 Received-SPF: none receiver=logan.com; client-ip=203.24.100.45; envelope-from=lendich@aanet.com.au Received: from sv1-1.aanet.com.au (sv1-1.per.aanet.com.au [203.24.100.68]) by poplet2.per.eftel.com (Postfix) with ESMTP id B3D5C173858 for ; Fri, 10 Jul 2009 13:56:52 +0800 (WST) Received: from ownerf1fc517b8 (203.171.92.134.static.rev.aanet.com.au [203.171.92.134]) by sv1-1.aanet.com.au (Postfix) with SMTP id 6CEA4BEC003 for ; Fri, 10 Jul 2009 13:56:51 +0800 (WST) Message-ID: <066E9BE41A564AE0B7E144EF369B56A9@ownerf1fc517b8> From: "George Lendich" To: "Rotary motors in aircraft" References: Subject: Re: [FlyRotary] Flowmaster Hushpower Report Date: Fri, 10 Jul 2009 15:56:51 +1000 MIME-Version: 1.0 Content-Type: multipart/alternative; boundary="----=_NextPart_000_0010_01CA0177.0A37DE50" X-Priority: 3 X-MSMail-Priority: Normal X-Mailer: Microsoft Outlook Express 6.00.2900.5512 X-MimeOLE: Produced By Microsoft MimeOLE V6.00.2900.5579 X-Antivirus: avast! (VPS 090709-0, 07/09/2009), Outbound message X-Antivirus-Status: Clean This is a multi-part message in MIME format. ------=_NextPart_000_0010_01CA0177.0A37DE50 Content-Type: text/plain; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable David, Seen those before and wondered how they would perform over time. Will be = interested to hear the results. George (down under) For the last couple hundred hours I have been using a Flowmaster = Hushpower II muffler. Also used by Tracy and some others I think. It = is done. The outside held up wery well, but I reciently removed it and = discovered that the insides have entirely disientigrated. Whatever they = used as packing has turned to a heavy clay-like substance ratteling = around in the bottom. She steel mesh is in pieces. I had been thinking = that the plane was not as quiet as it seemed 2 years ago.. go figure. So I was thinking about one of the DNA Mufflers someone mentioned. = They seemed nice because there is no packing, just steel dividers. = Unfortunately, it is a little to big around to fit in my current set up. = Instead, I ordered this muffler that also has steel innards but no = packing: http://www.moroso.com/catalog/categorydisplay.asp?catcode=3D35054 It is nice because it is going to be smaller and lighter than the = flowmaster (or the DNA), as well as less expensive - even the SS version = that I ordered. Will report back in 2 years on its performance :-) --=20 David Leonard Turbo Rotary RV-6 N4VY http://N4VY.RotaryRoster.net http://RotaryRoster.net ------=_NextPart_000_0010_01CA0177.0A37DE50 Content-Type: text/html; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable

David,

Seen those before and wondered how they = would=20 perform over time. Will be interested to hear the results.

George (down under)

For the last couple hundred hours I have been using a Flowmaster=20 Hushpower II muffler. Also used by Tracy and some others I = think. =20 It is done. The outside held up wery well, but I reciently = removed it=20 and discovered that the insides have entirely disientigrated. = Whatever=20 they used as packing has turned to a heavy clay-like substance = ratteling=20 around in the bottom. She steel mesh is in pieces. I = had been=20 thinking that the plane was not as quiet as it seemed 2 years = ago.. go=20 figure.

So I was thinking about one of the DNA Mufflers someone = mentioned. =20 They seemed nice because there is no packing, just steel = dividers. =20 Unfortunately, it is a little to big around to fit in my current set=20 up. Instead, I ordered this muffler that also has = steel=20 innards but no packing:

http://www.moroso.com/catalog/categorydisplay.asp?catcode=3D35054

It is nice because it is going to be smaller and lighter than the = flowmaster (or the DNA), as well as less expensive - even the SS = version that=20 I ordered.

Will report back in 2 years on its performance :-)

--
David Leonard

Turbo Rotary RV-6 = N4VY
http://N4VY.RotaryRoster.nethttp://RotaryRoster.net
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