X-Virus-Scanned: clean according to Sophos on Logan.com Return-Path: Sender: To: lml@lancaironline.net Date: Sat, 29 Sep 2007 11:21:26 -0400 Message-ID: X-Original-Return-Path: Received: from web62502.mail.re1.yahoo.com ([69.147.75.94] verified) by logan.com (CommuniGate Pro SMTP 5.1.12) with SMTP id 2358979 for lml@lancaironline.net; Sat, 29 Sep 2007 09:12:52 -0400 Received-SPF: none receiver=logan.com; client-ip=69.147.75.94; envelope-from=charliekohler@yahoo.com Received: (qmail 79027 invoked by uid 60001); 29 Sep 2007 13:12:15 -0000 DomainKey-Signature: a=rsa-sha1; q=dns; c=nofws; s=s1024; d=yahoo.com; h=X-YMail-OSG:Received:X-Mailer:Date:From:Reply-To:Subject:To:MIME-Version:Content-Type:Message-ID; b=11ly/0d689Oa6B6nH6RMqZLy6sItwNVdQSX1IlWGkfx+26XvLiQ0/A1g8p2LKYvYYzImpuPpHnu9O3LOAzjUSMkUMNRROHUx++E4QtodctTIzqr4rbCRZOZGeSkEDCQS4off3DxcHw2f4wI6dQsyR2fKRsJadsAqJo3eVbC44I4=; X-YMail-OSG: 5e_rkgQVM1kDWh6_e_gv.XXUM2CbK8WnjywuJm.22pX7aRjPKuDKy1lnwvWPrfb0yQEYZQy5ePmGR.yzNQmNhyn29dqcJYHFqTcK_GR85.6SFzUhuOyyl0OZfa2CxBsvb42dE9wcEGBszdEyS560yE_Ndg-- Received: from [216.252.108.190] by web62502.mail.re1.yahoo.com via HTTP; Sat, 29 Sep 2007 06:12:15 PDT X-Mailer: YahooMailRC/651.50 YahooMailWebService/0.7.134 X-Original-Date: Sat, 29 Sep 2007 06:12:15 -0700 (PDT) From: Charlie Kohler Reply-To: Charlie Kohler Subject: Re: [LML] fuel tank drains X-Original-To: Lancair Mailing List MIME-Version: 1.0 Content-Type: multipart/alternative; boundary="0-23509330-1191071535=:48028" X-Original-Message-ID: <472007.48028.qm@web62502.mail.re1.yahoo.com> --0-23509330-1191071535=:48028 Content-Type: text/plain; charset=iso-8859-7 Content-Transfer-Encoding: quoted-printable >"My concern is that a small amount of water may fill the fine mesh pores a= nd create enough pressure drop to stop fuel flow. "=0A =0A And I would add = "water or other contaminates" and "stop fuel flow" translated as OFF AIRPO= RT LANDING. =0A =0A>"I think it is best to minimize resistance to flow ups= tream of the fuel pump, what do you think?"=0A =0A I think it is better to = say it is ESSENTIAL not "best".=0A =0ADoes anyone know where the airplane "= AIRTIME" is?? =0A =0ACharlie K. =0A=0A=0A=0A----- Original Message ----=0AF= rom: Bill Hannahan =0ATo: lml@lancaironline.net=0ASen= t: Saturday, September 29, 2007 12:55:41 AM=0ASubject: [LML] fuel tank drai= ns=0A=0A=0A =0A =0A[You might comment on installing additional inline autom= otive (non-bypass) very fine filters upstream of gascolator. =0A=0A =0AChar= lie K.]=0A =0AI=A2m not sure what comment to make Charlie. Most cars are fu= el injected with a high pressure fuel pump in the tank. They can overcome a= substantial filter pressure drop. =0A =0AMost small aircraft suck fuel out= of the tank relying on the small pressure difference between the vapor pre= ssure of the fuel and the tank static pressure. My concern is that a small = amount of water may fill the fine mesh pores and create enough pressure dro= p to stop fuel flow. =0A =0AI wonder if that might be a factor in Gene Long= =A2s mystery fuel flow interruption.=0A =0AAircraft carburetors and fuel in= jection systems have fine screens in their inlets, but they are downstream = of the aircraft fuel pump, so a much greater head pressure is available.=0A= =0AI think it is best to minimize resistance to flow upstream of the fuel = pump, what do you think?=0A=0A=0A=0ARegards,=0ABill Hannahan=0A=0Awfhannaha= n@yahoo.com=0A=0A=0ALuggage? GPS? Comic books? =0ACheck out fitting gifts f= or grads at Yahoo! Search. --0-23509330-1191071535=:48028 Content-Type: text/html; charset=iso-8859-7 Content-Transfer-Encoding: quoted-printable
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>"= My concern is that a small amount of water may fill the fine mesh pores and= create enough pressure drop to stop fuel flow. "
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=  
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&nbs= p;And I would add "water or other contaminates" and "stop fuel = flow"  translated as OFF AIRPORT LANDING. 
  =0A
>"I think it is best to minimize resistance to flo= w upstream of the fuel pump, what do you think?"
=0A
 
=0A
 I think it is better to = say it is ESSENTIAL not "best".
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=0A
Does anyone know where the airplane "AIRT= IME" is?? 
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Ch= arlie K. =0A


=0A
----- Original Message ----
F= rom: Bill Hannahan <wfhannahan@yahoo.com>
To: lml@lancaironline.ne= t
Sent: Saturday, September 29, 2007 12:55:41 AM
Subject: [LML] fuel = tank drains

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=0A<= DIV class=3DMsoNormal> 
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[You might comment on install= ing additional inline automotive (non-bypass) very fine filters upstre= am of gascolator.
=0A

 
=0A
Charlie K.]
=0A=
 
= =0A
I=A2m not sure wha= t comment to make Charlie. Most cars are fuel injected with a high pressure= fuel pump in the tank. They can overcome a substantial filter pressure dro= p.
=0A
 
=0A
Most small aircraft suck fuel out of t= he tank relying on the small pressure difference between the vapor pressure= of the fuel and the tank static pressure. My concern is that a small amoun= t of water may fill the fine mesh pores and create enough pressure drop to = stop fuel flow.
=0A
 
=0A
I wonder if that might be a factor in Gene Long=A2s mystery fue= l flow interruption.
=0A
 
=0A
Aircraft carburetors and fuel injection systems have fine s= creens in their inlets, but they are downstream of the aircraft fuel pump, = so a much greater head pressure is available.
=0A
 
=0A
I think it is best to minimize res= istance to flow upstream of the fuel pump, what do you think?
<= BR>
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Regards,
=0A
Bill Hannahan
=0A=0A

=0A

=0ALuggage? GPS? Comic books?
= Check out fitting gifts for grads at Yahoo! Search.
=
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