X-Virus-Scanned: clean according to Sophos on Logan.com Return-Path: Received: from fmailhost05.isp.att.net ([204.127.217.105] verified) by logan.com (CommuniGate Pro SMTP 5.3.5) with ESMTP id 4218716 for flyrotary@lancaironline.net; Mon, 12 Apr 2010 13:08:05 -0400 Received-SPF: none receiver=logan.com; client-ip=204.127.217.105; envelope-from=bbradburry@bellsouth.net Received: from desktop (adsl-230-67-40.mco.bellsouth.net[74.230.67.40]) by isp.att.net (frfwmhc05) with SMTP id <20100412170727H0500l31ose>; Mon, 12 Apr 2010 17:07:27 +0000 X-Originating-IP: [74.230.67.40] From: "Bill Bradburry" To: "'Rotary motors in aircraft'" References: In-Reply-To: Subject: RE: [FlyRotary] Re: Fuel Pressure sensor warning Date: Mon, 12 Apr 2010 13:07:27 -0400 Message-ID: MIME-Version: 1.0 Content-Type: multipart/alternative; boundary="----=_NextPart_000_0013_01CADA41.1A2EBB00" X-Mailer: Microsoft Office Outlook 11 Thread-Index: AcraXqon69g9XMO+Rp6sD/E4RD03GAAA5YBA X-MimeOLE: Produced By Microsoft MimeOLE V6.0.6001.18049 This is a multi-part message in MIME format. ------=_NextPart_000_0013_01CADA41.1A2EBB00 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit It could be that in Al's state, he can get Mogas without ethanol. Tracy, however, in Florida, can only get it without ethanol if he buys it from specific places. Distributers that sell it, or boat docks that sell it. It is not available from a regular gas station in Florida as far as I know. Bill B _____ From: Rotary motors in aircraft [mailto:flyrotary@lancaironline.net] On Behalf Of Mark Steitle Sent: Monday, April 12, 2010 12:38 PM To: Rotary motors in aircraft Subject: [FlyRotary] Re: Fuel Pressure sensor warning Well then, either you're very lucky, or VDO changed materials for their sensors. Mark On Mon, Apr 12, 2010 at 9:52 AM, Al Gietzen wrote: Could the difference be that Tracy runs mo-gas which most likely contains ethanol? Mark S. I have run mogas more than 95% of the total hours. Al On Mon, Apr 12, 2010 at 12:05 AM, Al Gietzen wrote: SO, I can no longer recommend using the VDO pressure sensors for use on fuel systems. Either an isolator must be used or a sensor rated for fuel exposure be installed. I've been using one on my -4 for >7 years with no problems. About 3 years ago VDO started putting a sticker in the pressure sensor package saying not to use them on fuel pressure applications. I suspect they changed something in the manufacturing process. I've had my VDO pressure sensor in service on the fuel system since first engine run in Jan, 2004. Still doing fine. Must be they changed something after that. Al G ------=_NextPart_000_0013_01CADA41.1A2EBB00 Content-Type: text/html; charset="us-ascii" Content-Transfer-Encoding: quoted-printable

It could be that in Al’s state, he can get Mogas without ethanol.  Tracy, however, in = Florida, can = only get it without ethanol if he buys it from specific places.  Distributers = that sell it, or boat docks that sell it.  It is not available from a = regular gas station in Florida as far as I know. 

 

Bill B

 

From: Rotary motors in aircraft [mailto:flyrotary@lancaironline.net] On Behalf Of Mark Steitle
Sent: Monday, April 12, = 2010 12:38 PM
To: Rotary motors in aircraft
Subject: [FlyRotary] Re: = Fuel Pressure sensor warning

Well then, either you're very lucky, or VDO changed materials = for their sensors. 

 

Mark

On Mon, Apr 12, 2010 at 9:52 AM, Al Gietzen <ALVentures@cox.net> = wrote:

 

Could the difference be that Tracy runs mo-gas which most likely contains ethanol?  =

 Mark S.

 

I have run mogas more than 95% of the total = hours.

 

Al

On Mon, Apr 12, 2010 at 12:05 AM, Al Gietzen <ALVentures@cox.net> wrote:

SO,  I can no longer recommend using the = VDO pressure sensors for use on fuel systems.  Either = an isolator must be used or a sensor rated for fuel exposure be = installed.  I've been using one on my -4 for >7 years with no problems.   = About 3 years ago VDO started putting a sticker in the pressure sensor package = saying not to use them on fuel pressure applications.   I suspect they = changed something in the manufacturing process. 

 

I’ve had my VDO pressure = sensor in service on the fuel system since first engine run in Jan, 2004.  = Still doing fine.  Must be they changed something after = that.

 

Al G

 

 

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