X-Virus-Scanned: clean according to Sophos on Logan.com Return-Path: Received: from mtiwmhc12.worldnet.att.net ([204.127.131.116] verified) by logan.com (CommuniGate Pro SMTP 5.1.10) with ESMTP id 2137413 for flyrotary@lancaironline.net; Sun, 24 Jun 2007 10:59:31 -0400 Received-SPF: none receiver=logan.com; client-ip=204.127.131.116; envelope-from=keltro@att.net Received: from mwebmail19.att.net ([204.127.135.58]) by worldnet.att.net (mtiwmhc12) with SMTP id <2007062414584411200dai7ue>; Sun, 24 Jun 2007 14:58:54 +0000 Received: from [4.245.50.197] by mwebmail19.att.net; Sun, 24 Jun 2007 14:58:44 +0000 From: keltro@att.net (Kelly Troyer) To: "Rotary motors in aircraft" Subject: Re: [FlyRotary] Re: Method of killing power?? Date: Sun, 24 Jun 2007 14:58:44 +0000 Message-Id: <062420071458.21988.467E86A300090CAC000055E42160281060019D9B040A05@att.net> X-Mailer: AT&T Message Center Version 1 (Mar 24 2007) X-Authenticated-Sender: a2VsdHJvQGF0dC5uZXQ= MIME-Version: 1.0 Content-Type: multipart/alternative; boundary="NextPart_Webmail_9m3u9jl4l_21988_1182697124_0" --NextPart_Webmail_9m3u9jl4l_21988_1182697124_0 Content-Type: text/plain Content-Transfer-Encoding: 8bit Ed, Jim, et al, The oft recommended bypass orifice to bleed off residual fuel pressure will eliminate the possible flooding from leaky injectors as they wear and remove the high pressure fuel from under cowl while in hangar........FWIW -- Kelly Troyer "Dyke Delta"_13B ROTARY Engine "RWS"_RD1C/EC2/EM2 "Mistral"_Backplate/Oil Manifold -------------- Original message from James Maher : -------------- Ed, I prefer the Fuel Pump shutoff method. On my airplane the fuel system will remain pressurized for a long time after shut down. I don't like the idea of highly pressurized fuel inside a very hot engine compartment. So by turning off the fuel pumps with the engine still running it serves to de-pressurize the fuel system. This way if you do happen to get a stuck open injector it will not flood the rotor housing with fuel. It only takes a second or two for the engine to quit after fuel pump shutoff. Jim Ed Anderson wrote: To everyone running a rotary engine and particularly flying with one - what is your normal method of killing the engine. 1. Turning off Main Power 2. Turning off EC2 Power 3. Turning off ignition 4. Turning off Fuel Pumps 5. Turning off injectors 6. Other Ed Anderson Rv-6A N494BW Rotary Powered Matthews, NC eanderson@carolina.rr.com http://members.cox.net/rogersda/rotary/configs.htm#N494BW http://www.dmack.net/mazda/index.html --NextPart_Webmail_9m3u9jl4l_21988_1182697124_0 Content-Type: text/html Content-Transfer-Encoding: 8bit
Ed, Jim, et al,
    The oft recommended bypass orifice to bleed off residual fuel
pressure will eliminate the possible flooding from leaky injectors
as they wear and remove the high pressure fuel from under cowl
while in hangar........FWIW
--
Kelly Troyer
"Dyke Delta"_13B ROTARY Engine
"RWS"_RD1C/EC2/EM2
"Mistral"_Backplate/Oil Manifold




-------------- Original message from James Maher <deltaflyer@prodigy.net>: --------------

Ed,
I prefer the Fuel Pump shutoff method.
On my airplane the fuel system will remain pressurized for a long time after shut down.
I don't like the idea of highly pressurized fuel inside a very hot engine compartment.
So by turning off the fuel pumps with the engine still running it serves to de-pressurize the fuel system.
This way if you do happen to get a stuck open injector it will not flood the rotor housing with fuel.
It only takes a second or two for the engine to quit after fuel pump shutoff.
Jim

Ed Anderson <eanderson@carolina.rr.com> wrote:
To everyone running a rotary engine and particularly flying with one - what is your normal method of killing the engine.
 
1.  Turning off Main Power
2.  Turning off EC2 Power
3.  Turning off ignition
4.  Turning off Fuel Pumps
5.  Turning off injectors
6.  Other

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