X-Virus-Scanned: clean according to Sophos on Logan.com Return-Path: Received: from fed1rmmtao106.cox.net ([68.230.241.40] verified) by logan.com (CommuniGate Pro SMTP 5.2.11) with ESMTP id 3431788 for flyrotary@lancaironline.net; Sat, 17 Jan 2009 21:40:39 -0500 Received-SPF: none receiver=logan.com; client-ip=68.230.241.40; envelope-from=rv-4mike@cox.net Received: from fed1rmimpo02.cox.net ([70.169.32.72]) by fed1rmmtao106.cox.net (InterMail vM.7.08.02.01 201-2186-121-102-20070209) with ESMTP id <20090118023956.HNMK12540.fed1rmmtao106.cox.net@fed1rmimpo02.cox.net> for ; Sat, 17 Jan 2009 21:39:56 -0500 Received: from wills ([68.105.85.56]) by fed1rmimpo02.cox.net with bizsmtp id 4qfs1b0031CvZmk04qfv5j; Sat, 17 Jan 2009 21:39:55 -0500 X-Authority-Analysis: v=1.0 c=1 a=BQK-xGKPAAAA:8 a=-ZuN7NHRhRqbxDgGChsA:9 a=Jw-FTlkXi7NcKcvOkFIA:7 a=LFx6zaCf8NY50uUz1nY-WskwlgoA:4 a=4vB-4DCPJfMA:10 a=6-x43y6uxGMA:10 a=ypuqiB5zK8lFhFI4XPAA:9 a=n2nekVMpsBEDch0PlksA:7 a=_1Ij_tlkoSTObPMLzKHzHjNfnn4A:4 a=MSl-tDqOz04A:10 a=EzXvWhQp4_cA:10 a=AfD3MYMu9mQA:10 X-CM-Score: 0.00 Message-ID: <004601c97916$09fac2c0$38556944@wills> From: "Mike Wills" To: "Rotary motors in aircraft" References: Date: Sat, 17 Jan 2009 18:39:51 -0800 MIME-Version: 1.0 Content-Type: multipart/alternative; boundary="----=_NextPart_000_0043_01C978D2.FB88ED90" X-Priority: 3 X-MSMail-Priority: Normal X-Mailer: Microsoft Outlook Express 6.00.2900.3138 X-MimeOLE: Produced By Microsoft MimeOLE V6.00.2900.3350 Subject: Re: [FlyRotary] Re: DNA Muffler This is a multi-part message in MIME format. ------=_NextPart_000_0043_01C978D2.FB88ED90 Content-Type: text/plain; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable No joy. Turns out they are a dealer, but dont typically stock the = mufflers. They had a couple a few months ago but they sold out and are = now a special order. Guess we'll have to wait on your feedback Mark. Mike Wills RV-4 N144MW ----- Original Message -----=20 From: Mark Steitle=20 To: Rotary motors in aircraft=20 Sent: Saturday, January 17, 2009 6:04 PM Subject: [Norton AntiSpam] [FlyRotary] Re: DNA Muffler Mike,=20 If you go check out the DNA muffler, and please post a report for the = group. Be sure that you're looking at the Gen II and not the Gen I. = I'm told there is a big difference in the two. The Gen II's are much = more durable, or so I'm told. I'm considering the 1040 because of the slimmer 4" body.=20 Mark On Sat, Jan 17, 2009 at 10:30 AM, Mike Wills wrote: Hope this turns out to be a good choice. A functional off the shelf = muffler that holds up would be great. The website says there's a dealer = just a couple miles away - might ride down today and see if they stock = it. What muffler did you order Mark, the race series? With what = inlet/outlet? Anyone have any idea what B2 stainless is? Mike Wills RV-4 N144MW ----- Original Message -----=20 From: Mark Steitle=20 To: Rotary motors in aircraft=20 Sent: Friday, January 16, 2009 6:05 AM Subject: [FlyRotary] DNA Muffler Does anyone on the list have any real-life rotary experience with = the DNA Gen II muffler (http://www.dnamufflers.com/DNA/main_DNA.html)? = It is an interesting design in that it has no packing material to burn = out. Instead, it utilizes ladder-rungs, which they call "internal sound = diffusers", which resemble a chain of DNA down through the center of the = muffler body, which is made of 304 SS. Their web site claims that the = racers use them with great success. From speaking with a sales rep, = they claim there the rotary crowd uses them too. I'm considering = purchasing one of their FULL THROTTLE COLLECTOR mufflers (P/N 1040), but = thought I would check to see if anyone else has used this style muffler. = This muffler has a 3" inlet/outlet with a 4" body. So it is compact = enough to fit inside my cowl. My exhaust header has a 3" swivel joint, = so it should be a good fit. =20 Mark S. ------=_NextPart_000_0043_01C978D2.FB88ED90 Content-Type: text/html; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable
No joy. Turns out they are a dealer, = but dont=20 typically stock the mufflers. They had a couple a few months ago but = they sold=20 out and are now a special order. Guess we'll have to wait on your = feedback=20 Mark.
 
Mike Wills
RV-4 N144MW
----- Original Message -----
From:=20 Mark = Steitle=20
Sent: Saturday, January 17, = 2009 6:04=20 PM
Subject: [Norton AntiSpam] = [FlyRotary]=20 Re: DNA Muffler

Mike,

If you go check out the DNA muffler, and = please=20 post a report for the group.  Be sure that you're looking at the = Gen II=20 and not the Gen I.  I'm told there is a big difference in the = two. =20 The Gen II's are much more durable, or so I'm told.

I'm = considering the=20 1040 because of the slimmer 4" body.

Mark



On Sat, Jan 17, 2009 at 10:30 AM, Mike Wills = <rv-4mike@cox.net>=20 wrote:
Hope this turns out to be a good = choice. A=20 functional off the shelf muffler that holds up would be great. The = website=20 says there's a dealer just a couple miles away - might ride down = today and=20 see if they stock it. What muffler did you order Mark, the race = series? With=20 what inlet/outlet?
 
Anyone have any idea what B2 = stainless=20 is?
 
Mike Wills
RV-4 N144MW
-----=20 Original Message -----
From:=20 Mark Steitle
To:=20 Rotary = motors in=20 aircraft Sent:=20 Friday, January 16, 2009 6:05 AM Subject:=20 [FlyRotary] DNA Muffler

Does anyone on the list have any real-life rotary=20 experience with the DNA Gen II muffler (http://www.dnamufflers.com/DNA/main_DNA.html)?  = It is an=20 interesting design in that it has no packing material to burn = out. =20 Instead, it utilizes ladder-rungs, which they call "internal sound = diffusers", which resemble a chain of DNA down through the = center of=20 the muffler body, which is made of 304 SS.  Their web site = claims=20 that the racers use them with great success.  From speaking = with a=20 sales rep, they claim there the rotary crowd uses them too.  = I'm=20 considering purchasing one of their FULL THROTTLE COLLECTOR = mufflers (P/N=20 1040), but thought I would check to see if anyone else has = used this=20 style muffler.  This muffler has a 3" inlet/outlet with a 4"=20 body.  So it is compact enough to fit inside my = cowl.  My=20 exhaust header has a 3" swivel joint, so it should be a good = fit. =20
 
Mark=20 S.

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