X-Virus-Scanned: clean according to Sophos on Logan.com Return-Path: Received: from cdptpa-omtalb.mail.rr.com ([75.180.132.122] verified) by logan.com (CommuniGate Pro SMTP 5.3.7) with ESMTP id 4327401 for flyrotary@lancaironline.net; Wed, 26 May 2010 18:13:23 -0400 Received-SPF: pass receiver=logan.com; client-ip=75.180.132.122; envelope-from=eanderson@carolina.rr.com Return-Path: X-Authority-Analysis: v=1.1 cv=+ekMi77mZ5GklOGOY/oEe0KM76mYTylHWjxFepbNIe4= c=1 sm=0 a=LiQmkaobexsA:10 a=UBIxAjGgU1YA:10 a=Er6hwA6a1l4K/FyzC6NN7w==:17 a=ayC55rCoAAAA:8 a=arxwEM4EAAAA:8 a=QdXCYpuVAAAA:8 a=7g1VtSJxAAAA:8 a=ekHE3smAAAAA:20 a=UretUmmEAAAA:8 a=Ia-xEzejAAAA:8 a=OKL9BIGzViUOJmNTdj0A:9 a=xBZLFlSb9ouVBhTV3eoA:7 a=Mjzn2TtSssxjYIze6BiRBr5wkM8A:4 a=CjuIK1q_8ugA:10 a=1vhyWl4Y8LcA:10 a=EzXvWhQp4_cA:10 a=SSmOFEACAAAA:8 a=-QKpPunhbmvp-qh5M74A:9 a=BfFy8sLTPw5g9bo-Eu8A:7 a=A7rt4KZIggCmGHNlt3NdgyGB_hwA:4 a=Er6hwA6a1l4K/FyzC6NN7w==:117 X-Cloudmark-Score: 0 X-Originating-IP: 75.181.123.159 Received: from [75.181.123.159] ([75.181.123.159:1653] helo=computername) by cdptpa-oedge02.mail.rr.com (envelope-from ) (ecelerity 2.2.2.39 r()) with ESMTP id 57/92-19173-DDC9DFB4; Wed, 26 May 2010 22:12:45 +0000 From: "Ed Anderson" Message-ID: <57.92.19173.DDC9DFB4@cdptpa-omtalb.mail.rr.com> To: "'Rotary motors in aircraft'" Subject: RE: [FlyRotary] Builder displays mediocre sheet metal skills Date: Wed, 26 May 2010 18:12:25 -0400 MIME-Version: 1.0 Content-Type: multipart/alternative; boundary="----=_NextPart_000_0058_01CAFCFF.00850CA0" X-Mailer: Microsoft Office Outlook, Build 11.0.5510 Thread-Index: Acr9Ce5qXBv6n3U6Spuvmu6n1p5dUAAFetsw In-Reply-To: X-MimeOLE: Produced By Microsoft MimeOLE V6.00.2900.5931 This is a multi-part message in MIME format. ------=_NextPart_000_0058_01CAFCFF.00850CA0 Content-Type: text/plain; charset="US-ASCII" Content-Transfer-Encoding: 7bit Verrrrryyyyyy Interrreessstttttinnnng! Ernest. One thing you will want to place close attention to - while the 0.02 stainless will doubtless handle the heat - those large flat panels are going to be severely test by the rotary's powerful exhaust pulse. I can't tell for sure , but there does not appear to be any interconnection between the opposing sides of those wide expanses of sheet metal or is this just the SS covering and will not see anything other than heat? In any case, congratulations on getting your muffling experiment to this point - I know you will do plenty of engine runs before any flight - so if there are any design changes required - they WILL show up {:>) Actually the fabrication works looks fine. Ed Ed Anderson Rv-6A N494BW Rotary Powered Matthews, NC eanderson@carolina.rr.com http://www.andersonee.com http://www.dmack.net/mazda/index.html http://www.flyrotary.com/ http://members.cox.net/rogersda/rotary/configs.htm#N494BW http://www.rotaryaviation.com/Rotorhead%20Truth.htm _____ From: Rotary motors in aircraft [mailto:flyrotary@lancaironline.net] On Behalf Of Ernest Christley Sent: Wednesday, May 26, 2010 3:30 PM To: Rotary motors in aircraft Subject: [FlyRotary] Builder displays mediocre sheet metal skills I've finally completed the muffler. The final step was enclosing it all in a .020 stainless shield. I'll divert some intake air through it in an attempt to push as much heat from under the cowl as quickly as possible. The final exit is 1.5". Restrictive, yes, but I'm counting on it for significant noise reduction. The cardboard/pink foam construct just above the muffler is the nascent form for the intake air filter box. The 3/8" aluminum tube running along the bottom front of the engine is the emergency alternate fuel supply. It ends in a piece of fuel line that connects to the bottom of the BMW throttle body. ------=_NextPart_000_0058_01CAFCFF.00850CA0 Content-Type: text/html; charset="US-ASCII" Content-Transfer-Encoding: quoted-printable

Verrrrryyyyyy = Interrreessstttttinnnng! Ernest.

 

One thing you will want to place = close attention to – while the 0.02 stainless will doubtless handle the = heat – those large flat panels are going to be severely test by the = rotary’s  powerful exhaust pulse. 

I can’t tell for sure , but = there does not appear to be any interconnection between the opposing sides of = those wide expanses of sheet metal or is this just the SS covering and will = not see anything other than heat?

 

In any case, congratulations on = getting your muffling experiment to this point – I know you will do plenty = of engine runs before any flight – so if there are any design changes required – they WILL show up {:>)

 

Actually the fabrication works = looks fine.

 

Ed

 

From: = Rotary motors in aircraft [mailto:flyrotary@lancaironline.net] On Behalf Of Ernest Christley
Sent: Wednesday, May 26, = 2010 3:30 PM
To: Rotary motors in aircraft
Subject: [FlyRotary] = Builder displays mediocre sheet metal skills

 

I've finally completed the muffler.  The = final step was enclosing it all in a .020 stainless shield.
I'll divert some intake air through it in an attempt to push as much = heat from under the cowl as quickly as possible.

The final exit is 1.5".  Restrictive, yes, but I'm counting on = it for significant noise reduction.

The cardboard/pink foam construct just above the muffler is the nascent = form for the intake air filter box.

The 3/8" aluminum tube running along the bottom front of the engine = is the emergency alternate fuel supply.  It ends in a piece of fuel line = that connects to the bottom of the BMW throttle body. =

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