X-Virus-Scanned: clean according to Sophos on Logan.com X-SpamCatcher-Score: 50 [XX] Return-Path: Sender: To: lml@lancaironline.net Date: Wed, 09 May 2007 14:23:13 -0400 Message-ID: X-Original-Return-Path: Received: from smtp4.na.baesystems.com ([63.164.202.13] verified) by logan.com (CommuniGate Pro SMTP 5.1.8) with ESMTP id 2034425 for lml@lancaironline.net; Wed, 09 May 2007 13:31:11 -0400 Received-SPF: none receiver=logan.com; client-ip=63.164.202.13; envelope-from=Christopher.Zavatson@baesystems.com Received: from BLUMS0022.bluelnk.net (blums0022.na.baesystems.com [10.40.96.145]) by smtp4.na.baesystems.com (8.13.6/8.13.6) with ESMTP id l49HULmV014882 for ; Wed, 9 May 2007 13:30:22 -0400 (EDT) Received: from GLDMS00005.goldlnk.rootlnka.net ([10.44.64.11]) by smtp1.na.baesystems.com (8.13.6/8.13.6) with ESMTP id l49HUXKN015343 for ; Wed, 9 May 2007 13:30:33 -0400 (EDT) Received: from gldms10601.goldlnk.rootlnka.net ([10.64.39.18]) by GLDMS00005.goldlnk.rootlnka.net with Microsoft SMTPSVC(6.0.3790.1830); Wed, 9 May 2007 13:30:33 -0400 Received: from GLDMS10607.goldlnk.rootlnka.net ([10.64.39.20]) by gldms10601.goldlnk.rootlnka.net with Microsoft SMTPSVC(6.0.3790.1830); Wed, 9 May 2007 10:30:32 -0700 X-MimeOLE: Produced By Microsoft Exchange V6.5 Content-class: urn:content-classes:message MIME-Version: 1.0 Content-Type: multipart/alternative; boundary="----_=_NextPart_001_01C7925F.BE7F029E" Subject: RE: [LML] Re: IO-550 fuel injection X-Original-Date: Wed, 9 May 2007 10:30:31 -0700 X-Original-Message-ID: In-Reply-To: X-MS-Has-Attach: X-MS-TNEF-Correlator: Thread-Topic: [LML] Re: IO-550 fuel injection Thread-Index: AceSWdGJepjY4gACRHC2Hwda1+aVJgAA0rIQ References: From: "Zavatson, Christopher J \(US SSA\)" X-Original-To: "Lancair Mailing List" X-OriginalArrivalTime: 09 May 2007 17:30:32.0491 (UTC) FILETIME=[BEDAD7B0:01C7925F] This is a multi-part message in MIME format. ------_=_NextPart_001_01C7925F.BE7F029E Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: quoted-printable Kevin, <> Note that flow through the vent is effectively zero. The vent is just generating static pressure. If you have a short vertical run, up into the wing for example, there is really nothing trying to push water in the form of individual droplets up the tube. Fully submerging the tube end in water would be a different story. =20 Chris Zavatson N91CZ 360std www.N91CZ.com =20 =20 ------_=_NextPart_001_01C7925F.BE7F029E Content-Type: text/html; charset="us-ascii" Content-Transfer-Encoding: quoted-printable

Kevin,

<<What concerns me about ram air to create positive pressure = inside the=20 fuel tanks is the possibility of rain water being rammed along = with=20 the air into the tanks>>

Note that flow through the vent is effectively = zero. =20 The vent is just generating static pressure. If you have a short = vertical=20 run, up into the wing for example, there is really nothing trying to = push water=20 in the form of individual droplets up the tube. Fully = submerging the=20 tube end in water would be a different story.

Chris = Zavatson

N91CZ

360std

www.N91CZ.com

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