X-Virus-Scanned: clean according to Sophos on Logan.com Return-Path: Received: from fed1rmfepo101.cox.net ([68.230.241.143] verified) by logan.com (CommuniGate Pro SMTP 5.4c3j) with ESMTP id 4952609 for flyrotary@lancaironline.net; Wed, 20 Apr 2011 19:49:49 -0400 Received-SPF: none receiver=logan.com; client-ip=68.230.241.143; envelope-from=alventures@cox.net Received: from fed1rmimpo02.cox.net ([70.169.32.72]) by fed1rmfepo101.cox.net (InterMail vM.8.01.04.00 201-2260-137-20101110) with ESMTP id <20110420234915.YBL17030.fed1rmfepo101.cox.net@fed1rmimpo02.cox.net> for ; Wed, 20 Apr 2011 19:49:15 -0400 Received: from BigAl ([72.199.221.69]) by fed1rmimpo02.cox.net with bizsmtp id Zzp41g0081WSgfc04zpF9B; Wed, 20 Apr 2011 19:49:15 -0400 X-CT-Score: NA X-Authority-Analysis: v=1.1 cv=/haqZ/BE8xmPohdEhFtJ7eRSy5lZidy2VEIgPeJNyP4= c=1 sm=1 a=PyNjkaOVL4wA:10 a=G8Uczd0VNMoA:10 a=swDsztNognk9GHlyB/l+AQ==:17 a=6xK4TndYCuWLiThmc-YA:9 a=CjuIK1q_8ugA:10 a=PS9-hSlKGfsDUFoV0HwA:9 a=ezlM79NKkwbdLglzO4wA:7 a=swDsztNognk9GHlyB/l+AQ==:117 X-CM-Score: 0.00 Authentication-Results: cox.net; none From: "Al Gietzen" To: "'Rotary motors in aircraft'" Subject: RE: [FlyRotary] Re: Tangential Muffler Date: Wed, 20 Apr 2011 16:49:25 -0800 Message-ID: <3F2605492AB648E49843C7EEEF86D262@BigAl> MIME-Version: 1.0 Content-Type: multipart/alternative; boundary="----=_NextPart_000_0008_01CBFF7A.EE7689B0" X-Priority: 3 (Normal) X-MSMail-Priority: Normal X-Mailer: Microsoft Outlook, Build 10.0.6863 Importance: Normal In-Reply-To: Thread-Index: Acv/d6OIavwJPEQAQaKxUFZNkzYNoQARWkYg X-MimeOLE: Produced By Microsoft MimeOLE V6.00.2900.6090 This is a multi-part message in MIME format. ------=_NextPart_000_0008_01CBFF7A.EE7689B0 Content-Type: text/plain; charset="US-ASCII" Content-Transfer-Encoding: quoted-printable Al,=20 I'd love to have a good tangential solution. Mistral had developed one before they declared bankruptcy. But, their engineer told me that they = were loosing at least 5 HP with it. So, if I am ignorant, I am happy to be corrected.=20 You could very well be right; but am I willing to give up 5 hp for a reliable compact way to a quiet engine? Yup!=20 =20 I presume that you have shared your design before? Can I find in in the archives? I am not a welder, so I have to hire any welding that needs = to be done, so the cost of an Inconel device will be quite pricy, I presume. =20 Should be in the archives. If not, I think I've scanned my drawings and = have them stored somewhere. You'll need a good welder and some money. I think mine was $1950 for the 3-rotor; and it has a few details like internal vanes. The drawings will cost only $600 (ju-u-u-st kidding). =20 Al =20 =20 ------=_NextPart_000_0008_01CBFF7A.EE7689B0 Content-Type: text/html; charset="US-ASCII" Content-Transfer-Encoding: quoted-printable

Al, 

I'd love to have a good tangential solution.  Mistral had developed one before they declared bankruptcy. =  But, their engineer told me that they were loosing at least 5 HP with it. =  So, if I am ignorant, I am happy to be corrected.

You could very well be right; but = am I willing to give up 5 hp for a reliable compact way to a quiet engine? = Yup! 

 

I presume that you have shared your design = before?  Can I find in in the archives?  I am not a welder, so I have = to hire any welding that needs to be done, so the cost of an Inconel device will = be quite pricy, I presume.

 

Should be in the archives. If = not, I think I’ve scanned my drawings and have them stored somewhere. = You’ll need a good welder and some money. I think mine was $1950 for the = 3-rotor; and it has a few details like internal vanes. The drawings will cost only = $600 (ju-u-u-st kidding).

 

Al

 

 

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