X-Virus-Scanned: clean according to Sophos on Logan.com X-SpamCatcher-Score: 2 [X] Return-Path: Received: from ms-smtp-03.southeast.rr.com ([24.25.9.102] verified) by logan.com (CommuniGate Pro SMTP 5.1.9) with ESMTP id 2067462 for flyrotary@lancaironline.net; Fri, 25 May 2007 13:57:11 -0400 Received-SPF: pass receiver=logan.com; client-ip=24.25.9.102; envelope-from=eanderson@carolina.rr.com Received: from edward2 (cpe-024-074-103-061.carolina.res.rr.com [24.74.103.61]) by ms-smtp-03.southeast.rr.com (8.13.6/8.13.6) with SMTP id l4PHtpxm001368 for ; Fri, 25 May 2007 13:55:51 -0400 (EDT) Message-ID: <001401c79ef6$37594850$2402a8c0@edward2> From: "Ed Anderson" To: "Rotary motors in aircraft" References: Subject: Re: [FlyRotary] Re: Engine start Date: Fri, 25 May 2007 13:57:52 -0400 MIME-Version: 1.0 Content-Type: multipart/alternative; boundary="----=_NextPart_000_0011_01C79ED4.AFF6A220" X-Priority: 3 X-MSMail-Priority: Normal X-Mailer: Microsoft Outlook Express 6.00.2900.3028 X-MIMEOLE: Produced By Microsoft MimeOLE V6.00.2900.3028 X-Virus-Scanned: Symantec AntiVirus Scan Engine This is a multi-part message in MIME format. ------=_NextPart_000_0011_01C79ED4.AFF6A220 Content-Type: text/plain; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable Ok, Mark. I can see you will continue until I fess up {:>). Yes, I seem to find them all. I (and several others) frequently fly = with mode 1 selected to have it handy should we decide to fine tune our = fuel map. I was attending the Rotary Round up when we decided to = compare the sound of my two rotor and Tracy's 3 rotor. So I hopped in = my airplane and threw all the switches on and pressed the store button = to get a squirt of fuel into the intake (forgetting it was in mode 1) to = prime the engine For those of you without any EC2 experience, if mode zero is selected , = pressing the program store button causes the injectors to click on = momentarily and squirt some gasoline into the manifold. Makes a nice = priming function. However, with mode 1 selected (with the engine not = running) pushing the store button causes the injector simulator to fire = the injector continuously as if the engine was running at 3000 rpm!!! Picture all 4 injectors clicking madly with my two fuel pumps pushing = all the gasoline they want through them into the combustion chamber. Can = you say instantly flooded to the max? Can you say way too much fuel!! = Like out the tail pipe fuel!! Like don't light a match! too much fuel. = So as several have mentioned - keep a fire bottle handy when ever = starting or otherwise messing around with fuel. Also, make certain you = are not in Mode 1 when "priming" the engine {:>) Ed ----- Original Message -----=20 From: Mark Steitle=20 To: Rotary motors in aircraft=20 Sent: Friday, May 25, 2007 1:04 PM Subject: [FlyRotary] Re: Engine start Chime in here whenever you wish, Ed. =20 What I'm referring to is at the last RWS fly-in Ed went to start his = engine in the morning and pressed the Store (primer) button and didn't = see that the EC-2 was in mode 9. He had the fuel pump(s) on and when he = hit the Store button it went into injector simulation mode which caused = the engine to flood and fuel to pour out the exhaust. When something = like that happens, one spark and you've got a very bad situation. = Always have a fire extinguisher (or two) nearby.=20 Mark S. =20 =20 On 5/25/07, Al Gietzen wrote:=20 Chris,=20 Be sure to do it outdoors and have a fire extinguisher handy. The = EFI can dump a load of fuel out the exhaust before you realize it = (Right, ED?). You can't be too careful. Good luck.=20 Mark S. =20 One of my 'good practice' recommendations: The last thing you do before hitting the "Start" button is turn on = the EFI fuel pump. The first thing you do when shutting down is turn off the fuel pump. Al ------=_NextPart_000_0011_01C79ED4.AFF6A220 Content-Type: text/html; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable
Ok, Mark.  I can see you will continue = until I fess=20 up {:>).
 
Yes, I seem to find them all.  I (and = several=20 others) frequently  fly with mode 1 selected to have it handy = should we=20 decide to fine tune our fuel map.  I was attending the Rotary Round = up when=20 we decided to compare the sound of my two rotor and Tracy's 3 = rotor.  So I=20 hopped in my airplane and threw all the switches on and pressed the = store button=20 to get a squirt of fuel into the intake (forgetting it was in mode 1) to = prime=20 the engine
 
For those of you without any EC2 = experience, if=20  mode zero is selected , pressing the program store button causes = the=20 injectors to click on momentarily and squirt some gasoline into the=20 manifold.  Makes a nice priming function.  However, with mode = 1=20 selected (with the engine not running) pushing the store button causes = the=20 injector simulator to fire the injector continuously as if the engine = was=20 running at 3000 rpm!!!
 
Picture all 4 injectors clicking madly with my = two fuel=20 pumps pushing all the gasoline they want through them into the = combustion=20 chamber. Can you say instantly flooded to the max?   Can = you say=20 way too much fuel!!  Like out the tail pipe fuel!!  Like don't = light a=20 match! too much fuel. 
 
So as several have mentioned - keep a fire = bottle handy=20 when ever starting or otherwise messing around with fuel.  Also, = make=20 certain you are not in Mode 1 when "priming" the engine = {:>)
 
Ed
 
 
 
 
----- Original Message -----
From:=20 Mark = Steitle=20
Sent: Friday, May 25, 2007 1:04 = PM
Subject: [FlyRotary] Re: Engine = start

 
Chime in here whenever you wish, Ed. 
 
What I'm referring to is at the last RWS fly-in Ed went to start = his=20 engine in the morning and pressed the Store (primer) button and didn't = see=20 that the EC-2 was in mode 9.  He had the fuel pump(s) on and when = he hit=20 the Store button it went into injector simulation mode which = caused=20 the engine to flood and fuel to pour out the exhaust.  When = something=20 like that happens, one spark and you've got a very bad = situation.  Always=20 have a fire extinguisher (or two) nearby.
 
Mark S. 

 
On 5/25/07, Al=20 Gietzen <ALVentures@cox.net>=20 wrote:=20

Chris,

 

Be sure to do it outdoors and have a fire=20 extinguisher handy.  The EFI can dump a load of fuel out the = exhaust=20 before you realize it (Right, ED?).  You can't be too = careful. =20 Good luck.

 

Mark S. 

One of = my 'good=20 practice' recommendations:

The = last thing=20 you do before hitting the "Start" button is turn on the EFI fuel=20 pump.

The = first thing=20 you do when shutting down is turn off the fuel = pump.

 

Al

 


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