X-Junk-Score: 0 [] X-Cloudmark-Score: 0 [] X-Cloudmark-Analysis: v=2.2 cv=No+TSIVJ c=1 sm=1 tr=0 a=MsievMKwgq8mE0EPZylqPQ==:117 a=tJvibCFsorSNjpxMvkubbw==:17 a=xqWC_Br6kY4A:10 a=3JhidrIBZZsA:10 a=UKPAHat8AAAA:8 a=Ia-xEzejAAAA:8 a=7g1VtSJxAAAA:8 a=XFvuauUEO3V-SYl_BQQA:9 a=QEXdDO2ut3YA:10 a=ymmcBi4obKIA:10 a=Qa1je4BO31QA:10 a=gvSQh4r-fQ0A:10 a=yMhMjlubAAAA:8 a=SSmOFEACAAAA:8 a=dkNFXVboKSfnVUbTK1kA:9 a=CmZ7_KHUhMpIJuex:21 a=gKO2Hq4RSVkA:10 a=UiCQ7L4-1S4A:10 a=hTZeC7Yk6K0A:10 a=frz4AuCg-hUA:10 a=Fc6xXSS-RxGHxrvp76Qp:22 a=Urk15JJjZg1Xo0ryW_k8:22 a=grOzbf7U_OpcSX4AJOnl:22 From: "Dennis Haverlah clouduster@austin.rr.com" Received: from [107.14.73.227] (HELO dnvrco-cmomta01.email.rr.com) by logan.com (CommuniGate Pro SMTP 6.2.10) with ESMTPS id 12069364 for flyrotary@lancaironline.net; Fri, 04 Jan 2019 13:36:55 -0500 Received-SPF: pass receiver=logan.com; client-ip=107.14.73.227; envelope-from=clouduster@austin.rr.com Received: from [IPv6:::ffff:172.16.0.198] ([70.113.118.46]) by cmsmtp with ESMTPA id fUKigDSrrP088fUKkgEQmW; Fri, 04 Jan 2019 18:36:38 +0000 MIME-Version: 1.0 To: Rotary motors in aircraft Subject: RE: [FlyRotary] Re: exhaust manifold Date: Fri, 4 Jan 2019 12:36:40 -0600 Importance: normal X-Priority: 3 In-Reply-To: References: Content-Type: multipart/alternative; boundary="_4995C92E-E67F-4832-9AB6-11410328782A_" X-CMAE-Envelope: MS4wfPo8w1v256zf/7sxtjLPip88cpASjqYLV+LnxVJY6SDskEwZInxtADeazqCnNXGskKwlcldOTWRKGUWy9iaQJs62oZ+s5lM+OCanMf/jgcdUgcvXpcS1 YyNNV9DYJ+1sJCW6OYYxomxh0zGZAVwW58IApoqa4hTdrn+V2pGoa5qEN2uewDGuBEy5wh3QT78QKkeu5DJlV0u6oktGJC5m5gQ= Message-ID: --_4995C92E-E67F-4832-9AB6-11410328782A_ Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset="utf-8" As Bobby stated =E2=80=93 I used the stock manifold cut at about 45 deg. d= own into a 4 inch horizontal swirl pipe. I was able to use a Hush Power = muffler attached to the swirl pipe inside the cowl. Real quiet exhaust = =E2=80=93 even after the muffler lost all inside material. The system was planed to be a first attempt at an exhaust. After about 4-5= 00 hours it started developing cracks. At about 650 hours, I built a complete new exhaust using an after market ma= nifold flange and stainless tubing from Burns. Now I have a muffler hangin= g under the floor and slightly louder exhaust. This design used tuned leng= ths of SS tubing for each exhaust port all exiting toward the rear and merg= ed into a 3 to 1 collector. Dennis Haverlah Sent from Mail for Windows 10 From: Bobby J. Hughes bhughes@qnsi.net Sent: Friday, January 4, 2019 12:10 PM To: Rotary motors in aircraft Subject: [FlyRotary] Re: exhaust manifold Neil, This was my first system using a cut down renesis manifold. Dennis used a t= angential swirl can instead of a bend to turn the pipe back towards the fir= ewall. Bobby -----Original Message----- From: Rotary motors in aircraft [mailto:flyrotary@lancaironline.net]=20 Sent: Friday, January 04, 2019 4:22 AM To: Rotary motors in aircraft Subject: [FlyRotary] exhaust manifold Havbe the stock manifold in my hot hands and Steve Izett may well be=20 right.=C2=A0 Just hacksaw the cast flange off ,reverse it and re-weld it.= =C2=A0=20 How did you blokes do it??=C2=A0 Neil. -- Homepage: http://www.flyrotary.com/ Archive and UnSub: http://mail.lancaironline.net:81/lists/flyrotary/List.= html --_4995C92E-E67F-4832-9AB6-11410328782A_ Content-Transfer-Encoding: quoted-printable Content-Type: text/html; charset="utf-8"

As Bobby stated =E2=80=93 =C2=A0I us= ed the stock manifold cut at about 45 deg. down into a 4 inch horizontal sw= irl =C2=A0pipe.=C2=A0=C2=A0 I was able to use a Hush Power muffler attached= to the swirl pipe inside the cowl.=C2=A0=C2=A0 Real quiet exhaust =E2=80= =93 even after the muffler lost all inside material.

The system was planed to be a f= irst attempt at an exhaust.=C2=A0 After about 4-500 hours it started develo= ping cracks.

At about 650 hours, I built a complete new exhaust using an after marke= t manifold flange and stainless tubing from Burns.=C2=A0 Now I have a muffl= er hanging under the floor and slightly louder exhaust.=C2=A0 This design u= sed tuned lengths of SS tubing for each exhaust port all exiting toward the= rear and merged into a 3 to 1 collector.

&nbs= p;

Dennis Haverlah

Sent from Mail for Windows 10

From: Bobby J. Hughes bhughes@qnsi.net
= Sent: Friday, January 4, 2019 12:10 PM
To: Rotary motors in aircraft
Subject: <= /b>[FlyRotary] Re: exhaust manifold

&nbs= p;

Neil,

<= /o:p>

This was my first system using a cut down ren= esis manifold. Dennis used a tangential swirl can instead of a bend to turn= the pipe back towards the firewall.

Bobby

=

-----Original Message-----

From: Rotary motors in aircraft [mailto:flyrotary@lancaironline.net]

<= p class=3DMsoNormal>Sent: Friday, January 04, 2019 4:22 AM
To: Rotary motors in aircraft
Subject: [Fly= Rotary] exhaust manifold

Havbe the stock manifold in my hot hands and Steve Izett ma= y well be
right. Just hacksaw the cast flang= e off ,reverse it and re-weld it.
How did yo= u blokes do it?? Neil.

<= p class=3DMsoNormal>
--
Homepage:=C2=A0 http://www.flyrotary.com/
Archive and UnSub:=C2=A0=C2=A0 http://mail.lancaironline.net:81/lists/= flyrotary/List.html

= --_4995C92E-E67F-4832-9AB6-11410328782A_--