X-Virus-Scanned: clean according to Sophos on Logan.com Return-Path: Received: from fed1rmmtao105.cox.net ([68.230.241.41] verified) by logan.com (CommuniGate Pro SMTP 5.3.1) with ESMTP id 4086850 for flyrotary@lancaironline.net; Mon, 18 Jan 2010 12:38:00 -0500 Received-SPF: none receiver=logan.com; client-ip=68.230.241.41; envelope-from=rv-4mike@cox.net Received: from fed1rmimpo01.cox.net ([70.169.32.71]) by fed1rmmtao105.cox.net (InterMail vM.8.00.01.00 201-2244-105-20090324) with ESMTP id <20100118173725.BBPU12229.fed1rmmtao105.cox.net@fed1rmimpo01.cox.net> for ; Mon, 18 Jan 2010 12:37:25 -0500 Received: from willsPC ([68.105.86.80]) by fed1rmimpo01.cox.net with bizsmtp id X5dQ1d0051k005Q035dQkN; Mon, 18 Jan 2010 12:37:25 -0500 X-VR-Score: -100.00 X-Authority-Analysis: v=1.1 cv=4cmh2gL1a6RJOvq2diO5/mV5P7W7DelkioqUudxRLMU= c=1 sm=1 a=qjgUNteFXTgA:10 a=XruvlouZCDbGUgEaRUiNZQ==:17 a=3oc9M9_CAAAA:8 a=iG-4RgDaYcKnEhw5lVEA:9 a=uF4gpxK0CNv0NNok5FoA:7 a=LKO62KZmeNPrEFIwl9HgGvJDaJgA:4 a=U8Ie8EnqySEA:10 a=UretUmmEAAAA:8 a=Ia-xEzejAAAA:8 a=iONlkBV5rIxq2t7AMU0A:9 a=YeJpZeTb0WlnrtmQr3wA:7 a=dbzP4OVUR3sEYT6VUrP7swhLxRoA:4 a=iVkDmfvjeKcA:10 a=EzXvWhQp4_cA:10 a=XruvlouZCDbGUgEaRUiNZQ==:117 X-CM-Score: 0.00 Message-ID: <14A83D304F0D496BB3F56F5E178C9F12@willsPC> From: "Mike Wills" To: "Rotary motors in aircraft" References: In-Reply-To: Subject: Re: [FlyRotary] Re: Fuel Pressure sender questions Date: Mon, 18 Jan 2010 09:37:23 -0800 MIME-Version: 1.0 Content-Type: multipart/alternative; boundary="----=_NextPart_000_01A7_01CA9821.D666BB40" X-Priority: 3 X-MSMail-Priority: Normal Importance: Normal X-Mailer: Microsoft Windows Live Mail 14.0.8089.726 X-MimeOLE: Produced By Microsoft MimeOLE V14.0.8089.726 This is a multi-part message in MIME format. ------=_NextPart_000_01A7_01CA9821.D666BB40 Content-Type: text/plain; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable Tough call on mounting location. Do you want it in the cockpit where you = are, or under the cowl where all the ignition sources are if it decides = to leak? Mine is in the cockpit just downstream of the fuel pumps in the = control stick well. As Tracy mentioned, VDO says don't use them with fuel. So I used a gauge = isolator to keep fuel off of the sensor. But could never get the thing = to work reliably. I tried repeatedly to get the air out of the isolator, = tried different types of fluid, etc... with no luck. Finally gave up on = the isolator. Hopefully I'll have the same luck Tracy has had with no = problems - its been about 1 1/2 years so far. Mike Wills RV-4 N144MW From: Tracy Crook=20 Sent: Sunday, January 17, 2010 6:28 AM To: Rotary motors in aircraft=20 Subject: [FlyRotary] Re: Fuel Pressure sender questions I have always mounted them under the cowl. BTW, VDO about 2 years ago started attaching a note to their pressure = sensors saying to NOT use them for fuel system use. I've been using = them for fuel system pressure use for about 10 years with no problems = but thought I'd pass that along. =20 As Lynn pointed out, there are isolators that can separate the fuel from = the sensor if you want to be careful. Tracy On Sun, Jan 17, 2010 at 9:16 AM, wrote: Hey RV flyers; I'm curious what you all are doing to mount your fuel = pressure sending unit...are you mounting it in the cockpit area just = downstream of fuel pumps or on the firewall or engine? Is there a best = place to locate it? =20 I have seen some AN "Fuel Pressure Gauge Fittings" (with a 1/8 in. NPT = hole tapped into them) in both JEEGs (#555-100520) and SUMMIT which = seems like it might be a good way to go... Thanks for your input. Doug ------=_NextPart_000_01A7_01CA9821.D666BB40 Content-Type: text/html; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable
Tough call on mounting location. Do you want = it in the=20 cockpit where you are, or under the cowl where all the ignition sources = are if=20 it decides to leak? Mine is in the cockpit just downstream of the fuel = pumps in=20 the control stick well.
 
As Tracy mentioned, VDO says don=92t use them = with fuel.=20 So I used a gauge isolator to keep fuel off of the sensor. But = could=20 never get the thing to work reliably. I tried repeatedly to get the air = out of=20 the isolator, tried different types of fluid, etc... with no luck. = Finally gave=20 up on the isolator. Hopefully I'll have the same luck Tracy has had with = no=20 problems - its been about 1 1/2 years so far.
 
Mike Wills
RV-4 N144MW

Sent: Sunday, January 17, 2010 6:28 AM
Subject: [FlyRotary] Re: Fuel Pressure sender=20 questions

I have always mounted them under the cowl.

BTW, = VDO about=20 2 years ago started attaching a note to their pressure sensors saying to = NOT use=20 them for fuel system use.  I've been using them for fuel system = pressure=20 use for about 10 years with no problems but thought I'd pass that = along. =20

As Lynn pointed out, there are isolators that can separate the = fuel from=20 the sensor if you want to be careful.

Tracy

On Sun, Jan 17, 2010 at 9:16 AM, <dlomheim@aol.com> = wrote:
Hey RV flyers; I'm curious what you all are doing to = mount your=20 fuel pressure sending unit...are you mounting it in the cockpit area = just=20 downstream of fuel pumps or on the firewall or engine?  Is = there a=20 best place to locate it?  
 
I have seen some AN "Fuel Pressure Gauge Fittings" (with a 1/8 = in. NPT=20 hole tapped into them) in both JEEGs (#555-100520) and SUMMIT = which seems=20 like it might be a good way to go...
 
Thanks for your input.
 
Doug

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