X-Virus-Scanned: clean according to Sophos on Logan.com Return-Path: Received: from mtiwmhc13.worldnet.att.net ([204.127.131.117] verified) by logan.com (CommuniGate Pro SMTP 4.3.6) with ESMTP id 613421 for flyrotary@lancaironline.net; Sun, 24 Jul 2005 09:59:18 -0400 Received-SPF: none receiver=logan.com; client-ip=204.127.131.117; envelope-from=keltro@att.net Received: from 204.127.135.29 ([204.127.135.29]) by worldnet.att.net (mtiwmhc13) with SMTP id <2005072413582811300pb73ge>; Sun, 24 Jul 2005 13:58:28 +0000 Received: from [209.247.222.91] by 204.127.135.29; Sun, 24 Jul 2005 13:58:27 +0000 From: keltro@att.net (Kelly Troyer) To: "Rotary motors in aircraft" Subject: fiberglass runners Date: Sun, 24 Jul 2005 13:58:27 +0000 Message-Id: <072420051358.18140.42E39E82000DD795000046DC2160375964019D9B040A05@att.net> X-Mailer: AT&T Message Center Version 1 (Feb 14 2005) X-Authenticated-Sender: a2VsdHJvQGF0dC5uZXQ= MIME-Version: 1.0 Content-Type: multipart/alternative; boundary="NextPart_Webmail_9m3u9jl4l_18140_1122213507_0" --NextPart_Webmail_9m3u9jl4l_18140_1122213507_0 Content-Type: text/plain Content-Transfer-Encoding: 8bit Do you happen to have a photo of the installation George ?? -- Kelly Troyer Dyke Delta/13B/RD1C/EC2 -------------- Original message from George Graham : -------------- > > I made a nice intake manifold, that is still working well after > almost seven years. > > I started with a three inch square aluminum tube, 1/8 inch > thick, > about one foot long. > > I cut the holes to match the engine intake ports, and the > carb base on the top. One of the mount holes goes through the > square tubing, the other three bolts just clear the outside > edges. > > I filled the tube with urethane foam insulation board, two > pieces > one, one inch thick, the other two. I then carved the ports and > runners in the foam, and glassed them with two plies. The foam > supported runners then slide in the end of the support tube, > and I sealed the ends (I used fiberglass, but aluminum would > work better). > > I did reinforce my carb flange studs, with 1/2 inch wide by 1/8 > inch thick steel strips, which were tapped for the studs. > > I worried about the exhaust being too close to the intake > for fiberglass alone. > > I have plenty of that tubing, if anyone wants any. > > George Graham > Mazda Rx7ez N4449E > Homepage --NextPart_Webmail_9m3u9jl4l_18140_1122213507_0 Content-Type: text/html Content-Transfer-Encoding: 8bit
Do you happen to have a photo of the installation George ??
--
Kelly Troyer
Dyke Delta/13B/RD1C/EC2




-------------- Original message from George Graham <rx7ez@yahoo.com>: --------------


>
> I made a nice intake manifold, that is still working well after
> almost seven years.
>
> I started with a three inch square aluminum tube, 1/8 inch
> thick,
> about one foot long.
>
> I cut the holes to match the engine intake ports, and the
> carb base on the top. One of the mount holes goes through the
> square tubing, the other three bolts just clear the outside
> edges.
>
> I filled the tube with urethane foam insulation board, two
> pieces
> one, one inch thick, the other two. I then carved the ports and
> runners in the foam, and glassed them with two plies. The foam
> supported runners then slide in the end of the support tube,
> and I sealed the ends (I used fiberglass, but aluminum would
> work better).
>
> I did reinforce my carb flange studs, with 1/2 inch wide by 1/8
> inch thick steel strips, which were tapped for the studs.
>
> I worried about the exhaust being too close to the intake
> for fiberglass alone.
>
> I have plenty of that tubing, if anyone wants any.
>
> George Graham
> Mazda Rx7ez N4449E
> Homepage
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