Return-Path: Sender: "Marvin Kaye" To: lml@lancaironline.net Date: Sat, 23 Oct 2004 20:41:55 -0400 Message-ID: X-Original-Return-Path: Received: from [64.4.35.175] (HELO hotmail.com) by logan.com (CommuniGate Pro SMTP 4.2.5) with ESMTP id 484000 for lml@lancaironline.net; Sat, 23 Oct 2004 10:00:34 -0400 Received-SPF: none receiver=logan.com; client-ip=64.4.35.175; envelope-from=gary21sn@hotmail.com Received: from mail pickup service by hotmail.com with Microsoft SMTPSVC; Sat, 23 Oct 2004 07:00:05 -0700 Received: from 168.103.48.55 by BAY12-DAV1.phx.gbl with DAV; Sat, 23 Oct 2004 13:59:22 +0000 X-Originating-IP: [168.103.48.55] X-Originating-Email: [gary21sn@hotmail.com] X-Sender: gary21sn@hotmail.com From: "Gary Edwards" X-Original-To: "Lancair Mailing List" Subject: plenum transition seal X-Original-Date: Sat, 23 Oct 2004 06:59:21 -0700 MIME-Version: 1.0 Content-Type: multipart/alternative; boundary="----=_NextPart_000_0057_01C4B8CD.D2C57960" X-Priority: 3 X-MSMail-Priority: Normal X-Mailer: MSN 9 X-MimeOLE: Produced By MSN MimeOLE V9.10.0006.2205 Seal-Send-Time: Sat, 23 Oct 2004 06:59:21 -0700 X-Original-Message-ID: X-OriginalArrivalTime: 23 Oct 2004 14:00:05.0105 (UTC) FILETIME=[9900A610:01C4B908] This is a multi-part message in MIME format. ------=_NextPart_000_0057_01C4B8CD.D2C57960 Content-Type: text/plain; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable One other item. I have spent considerable time thinking about how to = transition with a flexible connection from the plennum openings to the openenings = on the lower cowl. For the guys with round holes and ducts it is an easy problem to solve. = My openings are rounded rectangles like the openings on the 235 cowl. I recently rented = the new DiamondStar DA 40. (4 place Katana) They have used a very cool neoprene seal on their set up. It is a = neoprene seal that appears to fit on the forward edge of their cowl and has a flange that goes back toward the = engine. This material could be used for any shape duct and is very soft and = flexible. It essentially connects to hard ducts together leaving a flexible joint. I am trying to locate a source for the part or possibly a mfg. If anyone knows where this material can be obtained please let me know. I will continue to research it and post pictures if possible. I have seen some builders use the legs or arms from a scuba diving suit = as it is thick material. Gary Edwards LNC2 N21SN ------=_NextPart_000_0057_01C4B8CD.D2C57960 Content-Type: text/html; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable

One other item.=20 I have spent considerable time thinking about how to=20 transition

with a flexible=20 connection from the plennum openings to the openenings on the lower=20 cowl.

For the guys=20 with round holes and ducts it is an easy problem to solve. My = openings=20 are

rounded=20 rectangles like the openings on the 235 cowl. I recently rented the new=20 DiamondStar DA 40. (4 place Katana)

They have used a=20 very cool neoprene seal on their set up. It is a neoprene seal that = appears to=20 fit on the

forward edge of=20 their cowl and has a flange that goes back toward the=20 engine.

This material=20 could be used for any shape duct and is very soft and=20 flexible.

It = essentially=20 connects to hard ducts together leaving a flexible=20 joint.

I = am trying to=20 locate a source for the part or possibly a mfg.

If = anyone knows=20 where this material can be obtained please let me = know.

I = will continue=20 to research it and post pictures if possible.

I have seen = some builders=20 use the legs or arms from a scuba diving suit as it is thick=20 material.

Gary=20 Edwards

LNC2=20 N21SN

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