Return-Path: Received: from email2k3.itlnet.net ([64.19.112.12] verified) by logan.com (CommuniGate Pro SMTP 4.3c1) with ESMTP id 744247 for flyrotary@lancaironline.net; Fri, 18 Feb 2005 10:02:41 -0500 Received-SPF: none receiver=logan.com; client-ip=64.19.112.12; envelope-from=jwvoto@itlnet.net Received: from rav.itlnet.net (unverified [192.168.10.149]) by itlnet.net (Rockliffe SMTPRA 6.1.17) with SMTP id for ; Fri, 18 Feb 2005 09:01:55 -0600 Received: from JWVOTO (unverified [64.19.115.18]) by itlnet.net (Rockliffe SMTPRA 6.1.17) with SMTP id for ; Fri, 18 Feb 2005 09:01:54 -0600 Message-ID: <00c601c515cb$3e9629a0$3a721340@JWVOTO> From: "Wendell Voto" To: "Rotary motors in aircraft" References: Subject: Re: [FlyRotary] Re: Vapor Lock Date: Fri, 18 Feb 2005 09:04:31 -0600 MIME-Version: 1.0 Content-Type: multipart/alternative; boundary="----=_NextPart_000_00BB_01C51598.DBCA2EC0" X-Priority: 3 X-MSMail-Priority: Normal X-Mailer: Microsoft Outlook Express 5.50.4133.2400 X-MimeOLE: Produced By Microsoft MimeOLE V5.50.4133.2400 This is a multi-part message in MIME format. ------=_NextPart_000_00BB_01C51598.DBCA2EC0 Content-Type: text/plain; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable Subject: [FlyRotary] Re: Vapor Lock Paul,=20 Your reasoning sounds OK, I plan on not using one unless persuaded = differently. Will put drain cock on sump which will be the lowest tank = or catch basin in my setup. At present still want to use out of tank = pumps. Need to find a good strainer, probably an in-line one. Wendell Hi, Wendell....I use the gascolator for a couple of reasons. I cannot = check my aluminum sump tank. It is sealed. Since the EFI pumps are = located lower than the sump tank, it would be more logical to check for = water at the lowest point in the fuel system. The fuel goes from the = sump tank to the gascolator, which is the lowest point in the fuel = system. I like the gascolator because it has a screen to catch debris = that might have found it's way to the EFI pumps, and the gascolator has = a fuel drain on the bottom of it so that I can check for water at the = lowest point in the system. I don't think the sump would catch the = water, as the outlet from the sump is on the bottom of the sump, and = water should go right on through the sump tank to the gascolator and EFI = pumps, which are the lowest point in the fuel system. I thought this was = the best way to design a gravity fed fuel system....everything downhill = and a fuel drain at the lowest point. Please correct me if I am in = error. Paul looking for a Cessna Conner=20 ----- Original Message -----=20 From: Wendell Voto=20 To: Rotary motors in aircraft=20 Sent: Thursday, February 17, 2005 10:59 AM Subject: [FlyRotary] Re: Vapor Lock Paul, Why use a gasolator if you have a sump tank with the outlet a couple = inches off the bottom of the sump? Won't the sump tank catch the water = and a strainer stop the big stuff. The sump is checked before each = flight and a gasolator isn't. Go straight to the FP then thru a fuel = filter and then the fuel rail. Eliminates the restriction, weight and = connections to leak. I am beginning to lean towards in-tank pumps with = built in strainer since all this has come to light. Wendell Hi, Kelly....the efi pumps are the last item before the fuel rail = and fuel pressure regulator. Here is the basic system... The fuel in = the main tanks goes downhill to the fuel selector. Fuel then goes = downhill again through the Facet pump into the top of the sump tank. = Fuel then comes out of the bottom of the sump tank through the = gascolator into the EFI pump(s), then to the fuel rail with fuel = pressure regulator attached, then that returned fuel goes back into the = top of the sump tank. That is the complete system. Take care. Paul = Conner -------------------------------------------------------------------------= --- No virus found in this incoming message. Checked by AVG Anti-Virus. Version: 7.0.300 / Virus Database: 265.8.8 - Release Date: 2/14/2005 -------------------------------------------------------------------------= ----- No virus found in this outgoing message. Checked by AVG Anti-Virus. Version: 7.0.300 / Virus Database: 265.8.8 - Release Date: 2/14/2005 -------------------------------------------------------------------------= ----- >> Homepage: http://www.flyrotary.com/ >> Archive: http://lancaironline.net/lists/flyrotary/List.html ------=_NextPart_000_00BB_01C51598.DBCA2EC0 Content-Type: text/html; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable
Subject: [FlyRotary] Re: Vapor Lock
Paul,
Your reasoning sounds OK, I plan on not using one unless = persuaded=20 differently. Will put drain cock on sump which will be the lowest tank = or=20 catch basin in my setup. At present still want to use out of tank = pumps. =20 Need to find a good strainer, probably an in-line one.
Wendell
Hi, Wendell....I use the gascolator = for a couple=20 of reasons. I cannot check my aluminum sump tank.  It is=20 sealed. Since the EFI pumps are located lower than the sump = tank, it=20 would be more logical to check for water at the lowest point in = the fuel=20 system.  The fuel goes from the sump tank to the gascolator, = which is the=20 lowest point in the fuel system. I like the gascolator because it = has a=20 screen to catch debris that might have found it's way to the EFI = pumps, and=20 the gascolator has a fuel drain on the bottom of it so that I can = check=20 for water at the lowest point in the system.  I don't think the = sump=20 would catch the water, as the outlet from the sump is on the = bottom of=20 the sump, and water should go right on through the sump tank to the = gascolator=20 and EFI pumps, which are the lowest point in the fuel system. I = thought=20 this was the best way to design a gravity fed fuel = system....everything=20 downhill and a fuel drain at the lowest point.  Please correct me = if I=20 am in error.  Paul looking for a Cessna=20 Conner 
----- Original Message -----
From:=20 Wendell Voto=20
To: Rotary motors in = aircraft=20
Sent: Thursday, February 17, = 2005 10:59=20 AM
Subject: [FlyRotary] Re: = Vapor=20 Lock

Paul,
Why use a gasolator if you have a sump tank with the outlet a = couple=20 inches off the bottom of the sump? Won't the sump tank catch the = water and a=20 strainer stop the big stuff. The sump is checked before each flight = and a=20 gasolator isn't. Go straight to the FP then thru a fuel filter and = then the=20 fuel rail. Eliminates the restriction, weight and connections = to leak.=20 I am beginning to lean towards in-tank pumps with built in=20 strainer since all this has come to light.
Wendell
Hi, Kelly....the efi pumps are = the last item=20 before the fuel rail and fuel pressure regulator. Here is the = basic=20 system...  The fuel in the main tanks goes downhill to the = fuel=20 selector. Fuel then goes downhill again through the Facet pump = into the=20 top of the sump tank. Fuel then comes out of the bottom of the = sump tank=20 through the gascolator into the EFI pump(s), then to the fuel rail = with=20 fuel pressure regulator attached, then that returned fuel goes = back into=20 the top of the sump tank.  That is the complete system. Take = care.=20 Paul Conner
 
 

No virus found in this incoming message.
Checked by AVG=20 Anti-Virus.
Version: 7.0.300 / Virus Database: 265.8.8 - Release = Date:=20 2/14/2005

No virus found in this outgoing message.
Checked by AVG=20 Anti-Virus.
Version: 7.0.300 / Virus Database: 265.8.8 - Release = Date:=20 2/14/2005

>>  Homepage: =20 http://www.flyrotary.com/
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