Return-Path: Received: from imf23aec.mail.bellsouth.net ([205.152.59.71] verified) by logan.com (CommuniGate Pro SMTP 4.3c2) with ESMTP id 758744 for flyrotary@lancaironline.net; Fri, 25 Feb 2005 06:15:54 -0500 Received-SPF: pass receiver=logan.com; client-ip=205.152.59.71; envelope-from=atlasyts@bellsouth.net Received: from [65.11.38.135] by imf23aec.mail.bellsouth.net (InterMail vM.5.01.06.11 201-253-122-130-111-20040605) with ESMTP id <20050225111510.CQER2375.imf23aec.mail.bellsouth.net@[65.11.38.135]> for ; Fri, 25 Feb 2005 06:15:10 -0500 User-Agent: Microsoft-Entourage/10.0.0.1309 Date: Fri, 25 Feb 2005 06:16:35 -0500 Subject: Re: [FlyRotary] Re: Vapor Lock From: Bulent Aliev To: Rotary motors in aircraft Message-ID: In-Reply-To: Mime-version: 1.0 Content-type: multipart/alternative; boundary="B_3192156997_5992306" > This message is in MIME format. Since your mail reader does not understand this format, some or all of this message may not be legible. --B_3192156997_5992306 Content-type: text/plain; charset="ISO-8859-1" Content-transfer-encoding: quoted-printable My two vents come to a common manifold high on the firewall, and than two separate 1/4=B2 id lines come out of the cowling facing the air stream. Benefits: Always equal tank pressure Siphon break Will not leak in a roll over Redundant vent if one gets plugged up If one tank is too fool and fuel backs up under the heat when parked, the access fuel will go to the other tank before leaks out. Buly / Cozy Mk IV On 2/25/05 12:47 AM, "WRJJRS@aol.com" wrote: > In a message dated 2/24/2005 8:05:51 PM Pacific Standard Time, > ceengland@bellsouth.net writes: >> Fuel vent positioning is one of the causes in Cessnas. Unequal ram air >> pressurization of the 2 tanks in flight. >>=20 >> Charlie > Charlie you beat me to it on this one. The suggestion is to bring the two > vents to a central position of high pressure and fix them both there. > Bill Jepson >=20 --B_3192156997_5992306 Content-type: text/html; charset="US-ASCII" Content-transfer-encoding: quoted-printable Re: [FlyRotary] Re: Vapor Lock My two vents come to a common manifold high on the fir= ewall, and than two separate 1/4” id lines come out of the cowling fac= ing the air stream. Benefits:

Always equal tank pressure
Siphon break
Will not leak in a roll over
Redundant vent if one gets plugged up
If one tank is too fool and fuel backs up under the heat when parked, the a= ccess fuel will go to the other tank before leaks out.

Buly / Cozy Mk IV


On 2/25/05 12:47 AM, "WRJJRS@aol.com" <WRJJRS@aol.com> wrot= e:

In a message dated 2/2= 4/2005 8:05:51 PM Pacific Standard Time, ceengland@bellsouth.net writes:
Fuel vent posit= ioning is one of the causes in Cessnas. Unequal ram air
pressurization of the 2 tanks in flight.

Charlie
Charlie you be= at me to it on this one. The suggestion is to bring the two vents to a centr= al position of high pressure and fix them both there.
Bill Jepson


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