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Return-Path: <13brv3@bellsouth.net> Received: from imf24aec.mail.bellsouth.net ([205.152.59.72] verified) by logan.com (CommuniGate Pro SMTP 4.2.5) with ESMTP id 551941 for flyrotary@lancaironline.net; Tue, 30 Nov 2004 21:11:56 -0500 Received-SPF: pass receiver=logan.com; client-ip=205.152.59.72; envelope-from=13brv3@bellsouth.net Received: from rd ([65.6.194.9]) by imf24aec.mail.bellsouth.net (InterMail vM.5.01.06.11 201-253-122-130-111-20040605) with ESMTP id <20041201021127.LGWN2421.imf24aec.mail.bellsouth.net@rd> for ; Tue, 30 Nov 2004 21:11:27 -0500 From: "Russell Duffy" <13brv3@bellsouth.net> To: "'Rotary motors in aircraft'" Subject: RE: [FlyRotary] Re: New Muffler Design Date: Tue, 30 Nov 2004 20:11:33 -0600 Message-ID: <000001c4d74b$1442aed0$6101a8c0@rd> MIME-Version: 1.0 Content-Type: multipart/alternative; boundary="----=_NextPart_000_0001_01C4D718.C9A83ED0" X-Priority: 3 (Normal) X-MSMail-Priority: Normal X-Mailer: Microsoft Outlook, Build 10.0.6626 Importance: Normal In-Reply-To: X-MimeOLE: Produced By Microsoft MimeOLE V6.00.2900.2180 This is a multi-part message in MIME format. ------=_NextPart_000_0001_01C4D718.C9A83ED0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: quoted-printable I am using 2 1/8" dia .035 wall thickness 304 SS. Forgot to mention = that each 4 foot muffler weighs 6 lbs 8 oz. =20 =20 Wow, I figured it would be less than that, even in the early stage. My Spintech weighs 14 lbs, and the rest of the pipe from the firewall back probably adds another 5-6 lbs. Perhaps this could amount to a 10 lb savings, if you can reduce the weight as you hope. =20 =20 My headers already come together into a nice 2.5" (I think) pipe prior = to the muffler. I used a two piece ball type coupler, which means I could = buy another coupler, and weld it up to a new pipe-muffler, then just bolt it onto the existing header. I'll be interested to see how yours works = out. =20 =20 By the way, Rusty, do you think you might try to make the RV flyin at LakeLand in Jan?? =20 Good question... hadn't even thought about it. I'll have to check the = work calendar, but I'm already skeptical. I work with a bunch of Bambi = killers, who live for deer season. There usually isn't a Monday or Friday open during hunting season. As an aside, the ones who don't hunt, fish. I = joke with them that I need to find a hobby that involves killing something, = and they point out that I already have a hobby that involves trying to kill myself :-) =20 =20 Rusty (hunting accidents thin the "herd") ------=_NextPart_000_0001_01C4D718.C9A83ED0 Content-Type: text/html; charset="us-ascii" Content-Transfer-Encoding: quoted-printable Message

I am using 2 1/8" dia .035 = wall=20 thickness 304 SS. Forgot to mention that each 4 foot muffler = weighs 6=20 lbs 8 oz.

Wow, I=20 figured it would be less than that, even in the early stage. My = Spintech=20 weighs 14 lbs, and the rest of the pipe from the firewall back = probably=20 adds another 5-6 lbs. Perhaps this could amount to a 10 lb = savings, if you=20 can reduce the weight as you hope.

My headers=20 already come together into a nice 2.5" (I think) pipe prior to the=20 muffler. I used a two piece ball type coupler, which means I could = buy=20 another coupler, and weld it up to a new pipe-muffler, then just bolt it = onto=20 the existing header. I'll be interested to see how yours works = out. =20

By the way, Rusty, do you think you = might try to=20 make the RV flyin at LakeLand in Jan??

Good=20 question... hadn't even thought about it. I'll have to = check=20 the work calendar, but I'm already skeptical. I work with a bunch=20 of Bambi killers, who live for deer season. There usually = isn't a=20 Monday or Friday open during hunting season. As an aside, the ones = who=20 don't hunt, fish. I joke with them that I need to find a hobby = that=20 involves killing something, and they point out that I already have = a hobby=20 that involves trying to kill myself :-)

Rusty=20 (hunting accidents thin the "herd")

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