Return-Path: Sender: (Marvin Kaye) To: lml@lancaironline.net Date: Tue, 18 May 2004 08:22:12 -0400 Message-ID: X-Original-Return-Path: Received: from rwcrmhc11.comcast.net ([204.127.198.35] verified) by logan.com (CommuniGate Pro SMTP 4.2b3) with ESMTP id 3238320 for lml@lancaironline.net; Tue, 18 May 2004 03:35:36 -0400 Received: from MJR (h000094c615c2.ne.client2.attbi.com[65.96.140.242]) by comcast.net (rwcrmhc11) with SMTP id <2004051807353501300a0ot9e>; Tue, 18 May 2004 07:35:36 +0000 X-Original-Message-ID: <007a01c43caa$e5016fc0$f28c6041@ne2.client2.attbi.com> From: "Mark Ravinski" X-Original-To: "Lancair Mailing List" References: Subject: Re: [LML] Ram air, LOP & the Legacy X-Original-Date: Tue, 18 May 2004 03:36:55 -0400 MIME-Version: 1.0 Content-Type: multipart/alternative; boundary="----=_NextPart_000_0077_01C43C89.5D837960" X-Priority: 3 X-MSMail-Priority: Normal X-Mailer: Microsoft Outlook Express 6.00.2800.1409 X-MimeOLE: Produced By Microsoft MimeOLE V6.00.2800.1409 This is a multi-part message in MIME format. ------=_NextPart_000_0077_01C43C89.5D837960 Content-Type: text/plain; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable A thaught from the sidelines: With this reversed pressure situation -- is raw fuel able to escape the = nozzles onto a hot engine? Mark Ravinski N360KB The conclusion is that when manifold pressure starts to exceed the = ambient pressure, i.e., the pressure in the cooling plenum, the venturi = effect that provides atomization of the fuel charge in the injector = nozzles quits. When the pressure gets "upside down," air is no longer = drawn into the fuel charge, and this is apparently rather upsetting to = the engine, which displays its pique (sorry, bad pun) by going very = quiet. ----- Original Message -----=20 From: Jim Cameron=20 To: Lancair Mailing List=20 Sent: Monday, May 17, 2004 9:05 PM Subject: [LML] Ram air, LOP & the Legacy ------=_NextPart_000_0077_01C43C89.5D837960 Content-Type: text/html; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable
  A thaught from the=20 sidelines:
With this reversed pressure situation -- is raw fuel able to escape = the=20 nozzles onto a hot engine?
 
Mark Ravinski
N360KB
 
  The conclusion is that when = manifold=20 pressure starts to exceed the ambient pressure, i.e., the pressure in = the=20 cooling plenum, the venturi effect that provides atomization of the fuel = charge=20 in the injector nozzles quits.  When the pressure gets "upside = down," air=20 is no longer drawn into the fuel charge, and this is apparently rather = upsetting=20 to the engine, which displays its pique (sorry, bad pun) by going very=20 quiet.
 
----- Original Message -----
From:=20 Jim = Cameron=20
Sent: Monday, May 17, 2004 9:05 = PM
Subject: [LML] Ram air, LOP = & the=20 Legacy
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