Return-Path: Received: from fed1rmmtao09.cox.net ([68.230.241.30] verified) by logan.com (CommuniGate Pro SMTP 4.2.5) with ESMTP id 568553 for flyrotary@lancaironline.net; Wed, 15 Dec 2004 11:34:21 -0500 Received-SPF: none receiver=logan.com; client-ip=68.230.241.30; envelope-from=ALVentures@cox.net Received: from BigAl ([68.7.14.39]) by fed1rmmtao09.cox.net (InterMail vM.6.01.04.00 201-2131-117-20041022) with ESMTP id <20041215163351.OAPZ2638.fed1rmmtao09.cox.net@BigAl> for ; Wed, 15 Dec 2004 11:33:51 -0500 From: "Al Gietzen" To: "'Rotary motors in aircraft'" Subject: Intake heat shield Date: Wed, 15 Dec 2004 08:34:06 -0800 Message-ID: <000001c4e2c3$e53bd420$6400a8c0@BigAl> MIME-Version: 1.0 Content-Type: multipart/alternative; boundary="----=_NextPart_000_0001_01C4E280.D71B0520" 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_01C4E280.D71B0520 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: quoted-printable =20 Thanks for the pictures, Al....it looks amazingly similar to the one I = made two weeks ago. (I guess it's true that great minds think alike)? = (kidding). I am glad to hear it works well for you. I think I'll go ahead and hook = it up and give it a try. I can always reverse the procedure if I am not = happy with it. Thanks for the pic and input. Paul Conner =20 BTW; Paul. In my installation the TB is at a slight upward incline, so = if there are any fuel droplets in the TB at shutdown, they would move = toward the intake. There is the question of why you would have any fuel in = there to drip after shutdown. My shutdown mode is always to turn off the fuel pump and/or injector power first, then the ECU and other power. Might = be a factor. =20 Also, on the heat baffle issue; I was amazed at how cool the baffle = would stay even when the exhaust was glowing, as long as it had some air = blowing on it. During the dyno runs we kept a fan blowing up from underneath, = and I could touch the baffle without getting burned. Any drops of fuel on = that surface would just evaporate and be gone. I have a NACA scoop on the = lower cowl and a diffuser to blow air up from underneath. =20 FWIW,=20 Al ----- Original Message -----=20 From: Al Gietzen =20 To: Rotary motors in aircraft=20 Sent: Wednesday, December 15, 2004 12:41 AM Subject: [FlyRotary] Re: Atkins =20 Paul; =20 To comment on just one of your questions; I think it is advisable to = have a heat barrier between the fuel rails and intake manifold, and the hot = exhaust manifold. I made one out of .020 SS. Photo attached. It has brackets = to the lower intake manifold bolts, and some light weight SS brackets to = the TB. =20 Al =20 =20 ------=_NextPart_000_0001_01C4E280.D71B0520 Content-Type: text/html; charset="us-ascii" Content-Transfer-Encoding: quoted-printable

 

Thanks for the pictures, = Al....it looks amazingly similar to the one I made two weeks ago. (I guess it's = true that great minds think alike)?  (kidding).  I am glad to hear = it works well for you.  I think I'll go ahead and hook it up and give = it a try.  I can always reverse the procedure if I am not happy with = it.  Thanks for the pic and input.  Paul Conner

 

BTW; Paul.  In my = installation the TB is at a slight upward incline, so if there are any fuel droplets in = the TB at shutdown, they would move toward the intake.  There is the = question of why you would have any fuel in there to drip after shutdown.  My = shutdown mode is always to turn off the fuel pump and/or injector power first, = then the ECU and other power.  Might be a factor.

 

Also, on the heat baffle issue; I = was amazed at how cool the baffle would stay even when the exhaust was = glowing, as long as it had some air blowing on it.  During the dyno runs we = kept a fan blowing up from underneath, and I could touch the baffle without getting burned.  Any drops of fuel on that surface would just evaporate and = be gone.  I have a NACA scoop on the lower cowl and a diffuser to blow = air up from underneath.

 

FWIW,

Al

=

----- Original Message = -----

From: Al = Gietzen

Sent: Wednesday, December 15, 2004 12:41 AM

Subject: [FlyRotary] Re: Atkins

 

Paul;

 

To comment on = just one of your questions; I think it is advisable to have a heat barrier between = the fuel rails and intake manifold, and the hot exhaust manifold.  I made = one out of .020 SS.  Photo attached.  It has brackets to the lower = intake manifold bolts, and some light weight SS brackets to the = TB.

 

Al

 

 

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