X-Virus-Scanned: clean according to Sophos on Logan.com Return-Path: Received: from oproxy1-pub.bluehost.com ([66.147.249.253] verified) by logan.com (CommuniGate Pro SMTP 5.3.11) with SMTP id 4667122 for flyrotary@lancaironline.net; Fri, 07 Jan 2011 09:40:17 -0500 Received-SPF: pass receiver=logan.com; client-ip=66.147.249.253; envelope-from=jslade@canardaviation.com Received: (qmail 24133 invoked by uid 0); 7 Jan 2011 14:39:41 -0000 Received: from unknown (HELO host296.hostmonster.com) (66.147.240.96) by oproxy1.bluehost.com.bluehost.com with SMTP; 7 Jan 2011 14:39:41 -0000 DomainKey-Signature: a=rsa-sha1; q=dns; c=nofws; s=default; d=canardaviation.com; h=Received:Message-ID:Date:From:Reply-To:User-Agent:MIME-Version:To:Subject:References:In-Reply-To:Content-Type:X-Identified-User; b=s/pJps1s51m7fVZ0QCHFiMTIe0eV7lwmeRiSTex1FcClLZ/ok+AgyUOGIPLoo9G09H5sSE0+1BP+7GO/BvM09BqUJtRXYQZ51eYL+z68Jt7fRcIYELaY+4PoIjrkeqfV; Received: from c-174-61-10-12.hsd1.fl.comcast.net ([174.61.10.12] helo=[192.168.1.4]) by host296.hostmonster.com with esmtpsa (TLSv1:AES256-SHA:256) (Exim 4.69) (envelope-from ) id 1PbDTg-0001I5-PY for flyrotary@lancaironline.net; Fri, 07 Jan 2011 07:39:40 -0700 Message-ID: <4D2725D3.8010602@canardaviation.com> Date: Fri, 07 Jan 2011 09:40:19 -0500 From: John Slade Reply-To: jslade@canardaviation.com User-Agent: Mozilla/5.0 (Windows; U; Windows NT 5.1; en-US; rv:1.9.2.13) Gecko/20101207 Thunderbird/3.1.7 MIME-Version: 1.0 To: Rotary motors in aircraft Subject: Re: [FlyRotary] Re: NOTICE !!!! Engine run-on with fuel pumps off! References: In-Reply-To: Content-Type: multipart/alternative; boundary="------------070300070805050402050309" X-Identified-User: {3339:host296.hostmonster.com:instanu1:canardaviation.com} {sentby:smtp auth 174.61.10.12 authed with jslade+canardaviation.com} This is a multi-part message in MIME format. --------------070300070805050402050309 Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 7bit Another warning, learned by experience... Even with plenty of fuel in the tank, leaving the fuel pump on overnight will kill the pump as well as flatten the battery. (I have my pumps wired direct to by-pass master switch and contactor failure) John Slade On 1/7/2011 9:34 AM, Mark Steitle wrote: > David, > I normally shut down my engine by turning off the injectors, followed > by the fuel pumps, coils, etc. > Mark S. > > On Fri, Jan 7, 2011 at 8:09 AM, David Leonard > wrote: > > Isn't your tank vented? Shouldn't be able to pressurize it. > Maybe you pressurized the fuel line with some air? > > -- > David Leonard > > Turbo Rotary RV-6 N4VY > http://N4VY.RotaryRoster.net > http://RotaryRoster.net > > On Thu, Jan 6, 2011 at 7:32 PM, > wrote: > > Long story short, standard eng. shut-down, main fuel pump > switch to OFF, half second or less, eng. quits rather > quickly. """UNLESS""" you are low on fuel,,, & picked up > some air in the lines,,, eng. remained running,,, after > shaking the thoughts of gremlins out of my head, possible as > long as 20-30 seconds & quick look at fuel gauge for tank I > was on the thought came to me that I picked up air from empty > tank & pressurized it with fuel pump, I now have an air > pressure-fuel pump backup sys. so eng. will remain running, > had to shut down elect. to stop eng. How about that one to > start the year. David R. Cook RV6A Rotary. > > > > > --------------070300070805050402050309 Content-Type: text/html; charset=ISO-8859-1 Content-Transfer-Encoding: 7bit Another warning, learned by experience...
Even with plenty of fuel in the tank, leaving the fuel pump on overnight will kill the pump as well as flatten the battery.
(I have my pumps wired direct to by-pass master switch and contactor failure)
John Slade

On 1/7/2011 9:34 AM, Mark Steitle wrote:

David,

I normally shut down my engine by turning off the injectors, followed by the fuel pumps, coils, etc.

Mark S.

On Fri, Jan 7, 2011 at 8:09 AM, David Leonard <wdleonard@gmail.com> wrote:

Isn't your tank vented? Shouldn't be able to pressurize it. Maybe you pressurized the fuel line with some air?

--
David Leonard

Turbo Rotary RV-6 N4VY
http://N4VY.RotaryRoster.net
http://RotaryRoster.net

On Thu, Jan 6, 2011 at 7:32 PM, <hoursaway1@comcast.net> wrote:

Long story short, standard eng. shut-down, main fuel pump switch to OFF, half second or less, eng. quits rather quickly. """UNLESS""" you are low on fuel,,, & picked up some air in the lines,,, eng. remained running,,, after shaking the thoughts of gremlins out of my head, possible as long as 20-30 seconds & quick look at fuel gauge for tank I was on the thought came to me that I picked up air from empty tank & pressurized it with fuel pump, I now have an air pressure-fuel pump backup sys. so eng. will remain running, had to shut down elect. to stop eng. How about that one to start the year. David R. Cook RV6A Rotary.

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