Return-Path: Received: from mail20.syd.optusnet.com.au ([211.29.132.201] verified) by logan.com (CommuniGate Pro SMTP 4.3c1) with ESMTP-TLS id 726716 for flyrotary@lancaironline.net; Sat, 12 Feb 2005 19:25:16 -0500 Received-SPF: none receiver=logan.com; client-ip=211.29.132.201; envelope-from=lendich@optusnet.com.au Received: from george (d220-236-11-223.dsl.nsw.optusnet.com.au [220.236.11.223]) by mail20.syd.optusnet.com.au (8.12.11/8.12.11) with SMTP id j1D0OPau032465 for ; Sun, 13 Feb 2005 11:24:26 +1100 Message-ID: <00ee01c51162$af2a2850$df0becdc@george> From: "George Lendich" To: "Rotary motors in aircraft" References: Subject: Re: [FlyRotary] Re: Vapor lock in sump/header tank. Date: Sun, 13 Feb 2005 10:26:38 +1000 MIME-Version: 1.0 Content-Type: multipart/alternative; boundary="----=_NextPart_000_00EB_01C511B6.808CD340" X-Priority: 3 X-MSMail-Priority: Normal X-Mailer: Microsoft Outlook Express 6.00.2800.1106 X-MimeOLE: Produced By Microsoft MimeOLE V6.00.2800.1106 This is a multi-part message in MIME format. ------=_NextPart_000_00EB_01C511B6.808CD340 Content-Type: text/plain; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable Tracy, Good idea! George (down under) I'm with Al on this one. Don't ask a fuel pump to suck through any = significant restriction. Yes, the Facet can be blown through fairly = easily and it will work OK (sucking through it) 99% of the time and = there are planes flying that way now. But it is one strike against you = and we don't know how many strikes count you out in this stuff. Since several newcomers have not heard my sermon before, there are = other ways to get around the problem of returning fuel to 2 or more = fuel tanks (which is the main reason cited for using a header/sump = tank). I always draw and return fuel to the left tank. No fuel valves = at all. I pump fuel from the right tank to the left using a Facet pump = which 'T's into the return line on left tank. Tracy (still hate header/sump tanks) Hi, Wendell....there is only one Facet pump. They are a free-flow = design. You can blow through them quite easily. I seriously doubt the = Facet pump was involved in this crime. Paul Conner ----- Original Message -----=20 From: Wendell Voto=20 To: Rotary motors in aircraft=20 Sent: Saturday, February 12, 2005 1:12 PM Subject: [FlyRotary] Re: Vapor lock in sump/header tank. Subject: [FlyRotary] Re: Vapor lock in sump/header tank. Then the fuel comes out of the fuel selector valve , downhill = (through a facet low pressure boost pump that I have yet to use) to the = top of the surge tank. How are the Facet pumps connected? Could they have restricted = flow enough to cause a bubble in the sump tank and stop flow into it? Wendell -------------------------------------------------------------------------= - No virus found in this incoming message. Checked by AVG Anti-Virus. Version: 7.0.300 / Virus Database: 265.8.7 - Release Date: = 2/10/2005 No virus found in this outgoing message. Checked by AVG Anti-Virus. Version: 7.0.300 / Virus Database: 265.8.7 - Release Date: 2/10/2005 >> Homepage: http://www.flyrotary.com/ >> Archive: http://lancaironline.net/lists/flyrotary/List.html ------=_NextPart_000_00EB_01C511B6.808CD340 Content-Type: text/html; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable
Tracy,
Good idea!
George (down under)
I'm with Al on this one.  Don't ask a fuel pump to suck = through any=20 significant restriction.  Yes, the Facet can be blown through = fairly=20 easily and it will work OK (sucking through it) 99% of the time and = there are=20 planes flying that way now.  But it is one strike against you and = we=20 don't know how many strikes count you out in this stuff.
 
Since several newcomers have not heard my sermon before,  = there are=20 other ways to get around the problem of returning fuel to  2 = or more=20 fuel tanks (which is the main reason cited for using a header/sump=20 tank).   I always draw and return fuel to the left = tank.  No=20 fuel valves at all.  I pump fuel from the right tank to the left = using a=20 Facet pump which 'T's into the return line on left tank.
 
Tracy (still hate header/sump tanks)

Hi, Wendell....there is only one = Facet pump.=20 They are a free-flow design. You can blow through them quite = easily.  I=20 seriously doubt the Facet pump was involved in this crime.  = Paul=20 Conner
----- Original Message ----- =
From:=20 Wendell=20 Voto
To: Rotary motors in = aircraft=20
Sent: Saturday, February = 12, 2005=20 1:12 PM
Subject: [FlyRotary] Re: = Vapor lock=20 in sump/header tank.

 
 
Subject: [FlyRotary] Re: = Vapor lock=20 in sump/header tank.

Then the fuel comes out of the = fuel=20 selector valve , downhill (through a facet low pressure boost = pump that=20 I have yet to use) to the top of the surge tank.
 
How are the = Facet pumps=20 connected? Could they have restricted flow enough to cause a = bubble in=20 the sump tank and stop flow into it?
Wendell

No virus found in this incoming message.
Checked by AVG=20 Anti-Virus.
Version: 7.0.300 / Virus Database: 265.8.7 - = Release Date:=20 2/10/2005
No virus found in this outgoing=20 message.
Checked by AVG Anti-Virus.
Version: 7.0.300 / Virus = Database:=20 265.8.7 - Release Date: 2/10/2005
>>  Homepage: =20 http://www.flyrotary.com/
>>  Archive:  =20 = http://lancaironline.net/lists/flyrotary/List.html
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