X-Virus-Scanned: clean according to Sophos on Logan.com Return-Path: Received: from poplet2.per.eftel.com ([203.24.100.45] verified) by logan.com (CommuniGate Pro SMTP 5.2.14) with ESMTP id 3641630 for flyrotary@lancaironline.net; Wed, 13 May 2009 18:45:11 -0400 Received-SPF: none receiver=logan.com; client-ip=203.24.100.45; envelope-from=lendich@aanet.com.au Received: from mail.aanet.com.au (mail.aanet.com.au [203.24.100.34]) by poplet2.per.eftel.com (Postfix) with ESMTP id 1283D173926 for ; Thu, 14 May 2009 06:44:18 +0800 (WST) Received: from ownerf1fc517b8 (203.171.92.134.static.rev.aanet.com.au [203.171.92.134]) by mail.aanet.com.au (Postfix) with SMTP id DF823149C2DC for ; Thu, 14 May 2009 06:44:07 +0800 (WST) Message-ID: From: "George Lendich" To: "Rotary motors in aircraft" References: Subject: Re: [FlyRotary] Re: Fuel Pressure Regulator \ Vacuum Leak Date: Thu, 14 May 2009 08:44:02 +1000 MIME-Version: 1.0 Content-Type: multipart/alternative; boundary="----=_NextPart_000_0017_01C9D470.21F85BC0" X-Priority: 3 X-MSMail-Priority: Normal X-Mailer: Microsoft Outlook Express 6.00.2900.5512 X-MimeOLE: Produced By Microsoft MimeOLE V6.00.2900.5579 X-Antivirus: avast! (VPS 0617-3, 04/28/2006), Outbound message X-Antivirus-Status: Clean This is a multi-part message in MIME format. ------=_NextPart_000_0017_01C9D470.21F85BC0 Content-Type: text/plain; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable Al & Bobby, I was under the impression they all leaked a bit as it was inherent in = the design, around the adjustment screw I believe- but Al I could be = wrong about yours. George ( down under) ----- Original Message -----=20 From: Bobby J. Hughes=20 To: Rotary motors in aircraft=20 Sent: Wednesday, May 13, 2009 10:48 PM Subject: [FlyRotary] Re: Fuel Pressure Regulator \ Vacuum Leak Al, I will contact Aeromotive tech support today and see if it's possibly = a leaking diaphragm that can be fixed. I also suspect raising my fuel = pressure from 36 to 40 psi may improve things. I discovered the minimum = design operating pressure for this regulator is 40 psi. If the leak is = around the adjustment screw then screwing it in further may help. May = not. One step forward and two steps back. Bobby -------------------------------------------------------------------------= ----- From: Rotary motors in aircraft [mailto:flyrotary@lancaironline.net] = On Behalf Of Al Gietzen Sent: Wednesday, May 13, 2009 12:21 AM To: Rotary motors in aircraft Subject: [FlyRotary] Re: Fuel Pressure Regulator \ Vacuum Leak Here is a note from the Aeromotive web site.=20 =20 . . . .This minute leakage, which is typical of all adjustable fuel = pressure regulators, does not, in any way, affect the performance of the regulator. Maybe it is typical of all Aeromotive pressure regulators; but my TWM = adjustable regulator is T'd off the line to controller B, and has worked = fine for four years with no leakage. Al G ------=_NextPart_000_0017_01C9D470.21F85BC0 Content-Type: text/html; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable
Al & Bobby,
I was under the impression they all = leaked a bit as=20 it was inherent in the design, around the adjustment screw I believe- = but Al I=20 could be wrong about yours.
George ( down under)
----- Original Message -----
From:=20 Bobby J. = Hughes=20
Sent: Wednesday, May 13, 2009 = 10:48=20 PM
Subject: [FlyRotary] Re: Fuel = Pressure=20 Regulator \ Vacuum Leak

Al,
 
I will contact Aeromotive tech support today = and see if=20 it's possibly a leaking diaphragm that can be fixed. I also suspect = raising my=20 fuel pressure from 36 to 40 psi may improve things. I discovered the = minimum=20 design operating pressure for this regulator is 40 psi. If the leak is = around=20 the adjustment screw then screwing it in further may help. May=20 not.
 
One step forward and two steps = back.
 
Bobby

From: Rotary motors in aircraft=20 [mailto:flyrotary@lancaironline.net] On Behalf Of Al=20 Gietzen
Sent: Wednesday, May 13, 2009 12:21 AM
To: = Rotary=20 motors in aircraft
Subject: [FlyRotary] Re: Fuel Pressure = Regulator=20 \ Vacuum Leak

Here is a note from = the=20 Aeromotive web site.

  

. . .=20 .This minute leakage, = which is=20 typical of all adjustable fuel pressure regulators, does not, in=20 any

way, affect the = performance of the=20 regulator.

Maybe it is = typical=20 of all Aeromotive=20 pressure regulators; but my TWM adjustable regulator is T=92d off the = line to=20 controller B, and has worked fine for four years with no=20 leakage.

Al=20 G

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