X-Virus-Scanned: clean according to Sophos on Logan.com Return-Path: Received: from imr-ma06.mx.aol.com ([64.12.78.142] verified) by logan.com (CommuniGate Pro SMTP 6.0.4) with ESMTP id 6181233 for flyrotary@lancaironline.net; Thu, 04 Apr 2013 16:22:19 -0400 Received-SPF: pass receiver=logan.com; client-ip=64.12.78.142; envelope-from=ARGOLDMAN@aol.com Received: from mtaomg-mb03.r1000.mx.aol.com (mtaomg-mb03.r1000.mx.aol.com [172.29.41.74]) by imr-ma06.mx.aol.com (Outbound Mail Relay) with ESMTP id 7E4ED1C000265 for ; Thu, 4 Apr 2013 16:21:43 -0400 (EDT) Received: from core-dse004c.r1000.mail.aol.com (core-dse004.r1000.mail.aol.com [172.29.227.205]) by mtaomg-mb03.r1000.mx.aol.com (OMAG/Core Interface) with ESMTP id 02BD5E000088 for ; Thu, 4 Apr 2013 16:21:43 -0400 (EDT) From: ARGOLDMAN@aol.com Full-name: ARGOLDMAN Message-ID: <63559.71b17509.3e8f3ad6@aol.com> Date: Thu, 4 Apr 2013 16:21:42 -0400 (EDT) Subject: Re: [FlyRotary] Replacement for Aeroquip fuel hose To: flyrotary@lancaironline.net MIME-Version: 1.0 Content-Type: multipart/alternative; boundary="part1_63559.71b17509.3e8f3ad6_boundary" X-Mailer: AOL 9.7 sub 56 X-Originating-IP: [24.14.64.174] x-aol-global-disposition: G DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=mx.aol.com; s=20121107; t=1365106903; bh=Ia+ekTHTBM93KkhfgQkM5FAS36J6+aXOiUUSmaNsnlI=; h=From:To:Subject:Message-ID:Date:MIME-Version:Content-Type; b=mWdBHl9KF1LeqU9A3Vwew5fBXh487sqzoN6djf6lZUh4PrpXO6G/oyPc1/FSed6ve NSym+rT8WaRcX8w9bYr/RMSwGOJSQWbupLm5hCvCPWciipnrUBl2v80R4m5z+a12Qb EcEWuXcEWdGOb4dfo62fl4tYuoHtMTdfqE3E0y2k= X-AOL-SCOLL-SCORE: 0:2:416600384:93952408 X-AOL-SCOLL-URL_COUNT: 0 x-aol-sid: 3039ac1d294a515de0d74019 --part1_63559.71b17509.3e8f3ad6_boundary Content-Type: text/plain; charset="US-ASCII" Content-Transfer-Encoding: 7bit Bill, This probably goes without saying, but it is vital to determine why the arcing is happening. this may be a tremendous safety issue for you (and others) Arching does not happen in a vacuum (actually it is easier there) but there is a reason. It is possible that your electrical system is using your FUEL lines ( spelled lines full of FUEL) for the grounding of somewhat high amperage loads, such as starter or alternator. One thing to ascertain is " is your engine adequately grounded". The engine mount is a poor conductor. you need a good grounding strap (line) between the "-" of your battery and the case of the engine. Since our engines are sandwiches and there is a possibility (possibly remote) that there is some resistance between the bread and the meat, your current, wanting the path of least resistance may be using those fuel lines. Perhaps you need a better ground to the mounting bolts of your starter and/or alternator. I donnknow, if it were me, I would do the fuel line inspection, correction and replacement NOW, before further starting of the engine. By the way, what is your rationale for delaying until the next conditional to correct a problem where there may be significant current flowing through your fuel lines, especially when there is a fuel smell. You don't smell liquid fuel, you smell the vapor. Lessee vapor mixed with fuel in the proper proportions with some sort of ignition system --lets say an electric shock-- may make your next conditional inspection unnecessary. Keep safe and fly safely Rich In a message dated 4/4/2013 3:01:53 P.M. Central Daylight Time, bbradburry@bellsouth.net writes: I have several black spots on the SS braid for my fuel hoses they look like they were caused by an electrical arc? I think I can smell fuel around the spots. I plan to replace them at the conditional this month. What fuel hoses are being used besides Aeroquip? Bill B --part1_63559.71b17509.3e8f3ad6_boundary Content-Type: text/html; charset="US-ASCII" Content-Transfer-Encoding: quoted-printable
Bill,
 
This probably goes without saying, but it is vital to determine why th= e=20 arcing is happening. this may be a tremendous safety issue for you (and oth= ers)=20
 
Arching does not happen in a vacuum (actually it is easier there) but = there=20 is a reason. It is possible that your electrical system is using your FUEL = lines=20 ( spelled lines full of FUEL) for the grounding of somewhat high amperage l= oads,=20 such as starter or alternator.
 
One thing to ascertain is " is your engine adequately grounded". The e= ngine=20 mount is a poor conductor. you need a good grounding strap (line) between t= he=20 "-" of your battery and the case of the engine. Since our engines are sandw= iches=20 and there is a possibility (possibly remote) that there is some resistance= =20 between the bread and the meat, your current, wanting the path of least=20 resistance may be using those fuel lines. Perhaps you need a better ground = to=20 the mounting bolts of your starter and/or alternator.
 
I donnknow, if it were me, I would do the fuel line inspection, correc= tion=20 and replacement NOW,= before=20 further starting of the engine.
 
By the way, what is your rationale for delaying until the next conditi= onal=20 to correct a problem where there may be significant current flowing through= your=20 fuel lines, especially when there is a fuel smell. You don't smell liquid f= uel,=20 you smell the vapor. Lessee vapor mixed with fuel in the proper proportions= with=20 some sort of ignition system --lets say an electric shock-- may make y= our=20 next conditional inspection unnecessary.
 
Keep safe and fly safely
 
Rich
 
In a message dated 4/4/2013 3:01:53 P.M. Central Daylight Time,=20 bbradburry@bellsouth.net writes:
=

I have several= black=20 spots on the SS braid for my fuel hoses they look like they were caused b= y an=20 electrical arc?  I think I can smell fuel around the spots.  I = plan=20 to replace them at the conditional this month.  What fuel hoses are = being=20 used besides Aeroquip?

 

Bill=20 B

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