X-Virus-Scanned: clean according to Sophos on Logan.com Return-Path: Received: from cdptpa-omtalb.mail.rr.com ([75.180.132.121] verified) by logan.com (CommuniGate Pro SMTP 5.2.11) with ESMTP id 3414431 for flyrotary@lancaironline.net; Wed, 07 Jan 2009 08:21:16 -0500 Received-SPF: pass receiver=logan.com; client-ip=75.180.132.121; envelope-from=eanderson@carolina.rr.com Received: from computername ([75.191.186.236]) by cdptpa-omta03.mail.rr.com with ESMTP id <20090107132037.WJFG13015.cdptpa-omta03.mail.rr.com@computername> for ; Wed, 7 Jan 2009 13:20:37 +0000 From: "Ed Anderson" To: "'Rotary motors in aircraft'" Subject: RE: [FlyRotary] Re: Fuel pressure sensor placement Date: Wed, 7 Jan 2009 08:20:44 -0500 MIME-Version: 1.0 Content-Type: multipart/alternative; boundary="----=_NextPart_000_0038_01C970A0.D63C3CC0" X-Mailer: Microsoft Office Outlook, Build 11.0.5510 X-MimeOLE: Produced By Microsoft MimeOLE V6.00.2900.5579 In-Reply-To: Thread-Index: AclwoDVqRg7Jo7X8Tji6oHQrW9UXQgAKhEKg Message-Id: <20090107132037.WJFG13015.cdptpa-omta03.mail.rr.com@computername> This is a multi-part message in MIME format. ------=_NextPart_000_0038_01C970A0.D63C3CC0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit As Al, said with appropriate size lines, any location after the pumps and filter and before the regulator would work out. Theoretically, the pressure in a fluid like gasoline is equal any place the fluid is congruent - however, small holes that the fuel flows through will cause a pressure drop. But, since your pressure gage requires no flow - there should be no drop. Personally, I put my gauge sensor between after the fuel rails and before the regulator - my rationale was If the pressure on that side was what I wanted, then I know its at least (and perhaps a hair more) that much on the pump side of the fuel rails. Ed Ed Anderson Rv-6A N494BW Rotary Powered Matthews, NC eanderson@carolina.rr.com http://www.andersonee.com http://members.cox.net/rogersda/rotary/configs.htm#N494BW http://www.dmack.net/mazda/index.html _____ From: Rotary motors in aircraft [mailto:flyrotary@lancaironline.net] On Behalf Of Christopher Barber Sent: Wednesday, January 07, 2009 3:16 AM To: Rotary motors in aircraft Subject: [FlyRotary] Re: Fuel pressure sensor placement So, between the regulator and fuel rail is out? It would make a much easier install. Thanks, Chris ----- Original Message ----- From: Al Gietzen To: Rotary motors in aircraft Sent: Wednesday, January 07, 2009 1:10 AM Subject: [FlyRotary] Re: Fuel pressure sensor placement Chris; If you are using at least 3/8" dia lines, anywhere between the filter and the pressure regulator should be fine. Al G -----Original Message----- From: Rotary motors in aircraft [mailto:flyrotary@lancaironline.net] On Behalf Of Christopher Barber Sent: Tuesday, January 06, 2009 10:48 PM To: Rotary motors in aircraft Subject: [FlyRotary] Fuel pressure sensor placement I am getting the bugs worked out of my systems and trying to add one thing at a time as not to screw up what is working. I have a fuel pressure regulator with a gauge on it in the engine compartment. I am at a point where I want to add my fuel pressure sensor so I can read the pressure on the EM2, however, I am unsure as to where the sensor should be placed in the fuel lines. I do have a very convenient place I could put it between the regulator and the Mistral fuel rail. It seems that would give me an accurate reading, but I am unsure of what all to consider. So, what should I be considering? Thanks. All the best, Chris __________ Information from ESET NOD32 Antivirus, version of virus signature database 3267 (20080714) __________ The message was checked by ESET NOD32 Antivirus. http://www.eset.com ------=_NextPart_000_0038_01C970A0.D63C3CC0 Content-Type: text/html; charset="us-ascii" Content-Transfer-Encoding: quoted-printable

As Al, said with appropriate size = lines, any location after the pumps and filter and before the regulator would = work out.  Theoretically, the pressure in a fluid like gasoline is equal = any place the fluid is congruent – however, small holes that the fuel flows = through will cause a pressure drop.  But, since your pressure gage requires = no flow – there should be no drop.

 

Personally, I put my gauge sensor = between after the fuel rails and before the regulator – my rationale was = If the pressure on that side was what I wanted, then I know its at least (and = perhaps a hair more) that much on the pump side of the fuel = rails.

 

Ed

 

Ed Anderson

Rv-6A N494BW Rotary = Powered

Matthews, NC

eanderson@carolina.rr.com=

http://www.andersonee.com

http://members.cox.net/rogersda/rotary/configs.htm#N494BW

http://www.dmack.net/mazda/index.html<= font size=3D2 face=3DArial>

From: = Rotary motors in aircraft [mailto:flyrotary@lancaironline.net] On Behalf Of Christopher Barber
Sent: Wednesday, January = 07, 2009 3:16 AM
To: Rotary motors in aircraft
Subject: [FlyRotary] Re: = Fuel pressure sensor placement

 

So, between the regulator and fuel rail is out?  = It would make a much easier install.

 

Thanks,

 

Chris

----- Original Message ----- =

From: Al = Gietzen

Sent: = Wednesday, January 07, 2009 1:10 AM

Subject: = [FlyRotary] Re: Fuel pressure sensor placement

 

Chris;

 

If you are using at least = 3/8” dia lines, anywhere between the filter and the pressure regulator should be = fine.

 

Al G

 

-----Original = Message-----
From: Rotary motors in aircraft = [mailto:flyrotary@lancaironline.net] On Behalf Of Christopher = Barber
Sent: Tuesday, January = 06, 2009 10:48 PM
To: Rotary motors in aircraft
Subject: [FlyRotary] Fuel = pressure sensor placement

 

I am getting the bugs = worked out of my systems and trying to add one thing at a time as not to screw up what = is working.  I have a fuel pressure regulator with a gauge on it = in the engine compartment.    I am at a point where I want to = add  my fuel pressure sensor so I can read the pressure on the EM2, however, = I am unsure as to where the sensor should be placed in the fuel lines.  = I do have a very convenient place I could put it between the regulator and = the Mistral fuel rail.  It seems that would give me an accurate = reading, but I am unsure of what all to consider.  So, what should I be = considering?

 

Thanks.

 

All the = best,

 

Chris



__________ Information from ESET NOD32 Antivirus, version of virus = signature database 3267 (20080714) __________

The message was checked by ESET NOD32 Antivirus.

http://www.eset.com

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