Return-Path: Received: from [65.54.169.62] (HELO hotmail.com) by logan.com (CommuniGate Pro SMTP 4.2.4) with ESMTP id 455076 for flyrotary@lancaironline.net; Wed, 06 Oct 2004 14:31:32 -0400 Received-SPF: none receiver=logan.com; client-ip=65.54.169.62; envelope-from=lors01@msn.com Received: from mail pickup service by hotmail.com with Microsoft SMTPSVC; Wed, 6 Oct 2004 11:31:02 -0700 Received: from 65.54.98.109 by bay3-dav32.bay3.hotmail.com with DAV; Wed, 06 Oct 2004 18:30:26 +0000 X-Originating-IP: [65.54.98.109] X-Originating-Email: [lors01@msn.com] X-Sender: lors01@msn.com From: "Tracy Crook" To: "Rotary motors in aircraft" References: Subject: Re: [FlyRotary] Re: #$!%@$ temperatures still high Date: Wed, 6 Oct 2004 14:30:20 -0400 MIME-Version: 1.0 Content-Type: multipart/alternative; boundary="----=_NextPart_000_005A_01C4ABB1.0245B3A0" X-Priority: 3 X-MSMail-Priority: Normal X-Mailer: MSN 9 X-MimeOLE: Produced By MSN MimeOLE V9.10.0006.2205 Seal-Send-Time: Wed, 6 Oct 2004 14:30:20 -0400 Message-ID: X-OriginalArrivalTime: 06 Oct 2004 18:31:02.0077 (UTC) FILETIME=[A1E3F6D0:01C4ABD2] This is a multi-part message in MIME format. ------=_NextPart_000_005A_01C4ABB1.0245B3A0 Content-Type: text/plain; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable Steve, go back and read the instructions on Mode 1. The operation is = different than for mode 3. In mode 1 it does not make any difference = how many times you hit the store switch, only the position of PGM (left) = knob determines the correction value used when you hit the store button. = Also see Mode 9 which is similar to Mode 3. Know the operations of the = various modes by heart before tuning the EC2. Remember that Mode 3 is a fairly fine adjustment. It takes about 25 = clicks on the store switch to run to the end of the range in either = direction. =20 If Mode 3 doesn't make any difference it means something isn't right and = you should stop everything and fix it. Do not taxi, do not fly, do not = pass go, you get the idea. I would suspect a wiring error in the = connections between EC2 and PCM panel. It is likely that NONE of the = programming modes are working based on your description of tuning = results. Tracy=20 ----- Original Message -----=20 From: Steve Brooks=20 To: Rotary motors in aircraft=20 Sent: Wednesday, October 06, 2004 7:30 AM Subject: [FlyRotary] Re: #$!%@$ temperatures still high Tracy, I have leaned mode 1 as far as it would go. I can turn the mixture = control to about 8-9 o'clock and get the correct mixture. I tried mode = 3, and it does;t seem to do anything. While watching the air/ratio = gauge at about 2000 RPM's, left knob at 9 clicked the store, no change, = clicked it 3-4 times more, still no change. This was with the mixture = knob at about 9 also, so I could see any change on the LED bar graph of = the ratio gauge. Mixture seems to be rich at every setting, but better at higher RPMs. = Lower RPMs are really rich. Steve -----Original Message----- From: Rotary motors in aircraft = [mailto:flyrotary@lancaironline.net]On Behalf Of Tracy Crook Sent: Tuesday, October 05, 2004 11:00 PM To: Rotary motors in aircraft Subject: [FlyRotary] Re: #$!%@$ temperatures still high >SNIP< > I have a couple of other nagging issues: > > 1) I seem to be running rich. I turned the fuel pressure down > some (30 PSI > on my gauge (don't know if it's accurate)). That helped, but = running both > fuel pumps makes the engine run very rich at full power. Turning = off one > pump increases power and smoothness. At an idle, 1000-2000 RMS, = if I shut > off the main fuel pump, the engine smoothes out, and gain a little = rpm, > before running out of fuel. > > 2) For whatever reason the "coil test" has stopped working. I = used to be > able to go to the "B" controller, and do the coil test to check > the leading > or trailing coils. That doesn't work, and if I turn it to off = (I'm using > the ignition switch), it keeps on running. Used to kill the > engine before. > I'm not sure what this is, and haven't really done any testing = yet. > > Steve Brooks (praying for cold weather) >> Homepage: http://www.flyrotary.com/ >> Archive: = http://lancaironline.net/lists/flyrotary/List.html To make any meaningful comments I'd need to know if you tried the = easiest things first. If the engine is running too rich, did you turn = down the mixture control? If so, what happened? If that wasn't enough, = did you reduce the injector flow rate? (mode 3). Is it rich at every = throttle setting or just a few? =20 Sounds like something has gone bad with wiring on the coil test = issue. Sounds like you still have power to the injectors when you turn = the EC2 off causing it to continue running. Correct this right away if = so. Tracy ------=_NextPart_000_005A_01C4ABB1.0245B3A0 Content-Type: text/html; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable
Steve, go back and read the instructions on Mode 1.  The = operation is=20 different than for mode 3.  In mode 1 it does not make any = difference how=20 many times you hit the store switch, only the position of PGM (left) = knob=20 determines the correction value used when you hit the store = button.  Also=20 see Mode 9 which is similar to Mode 3.  Know the operations of the = various=20 modes by heart before tuning the EC2.
 
Remember that Mode 3 is a fairly fine adjustment.  It takes = about 25=20 clicks on the store switch to run to the end of the range in either=20 direction. 
 
If Mode 3 doesn't make any difference it means something isn't = right and=20 you should stop everything and fix it.  Do not taxi, do not fly, do = not=20 pass go, you get the idea.  I would suspect a wiring error in the=20 connections between EC2 and PCM panel.  It is likely that NONE of = the=20 programming modes are working based on your description of tuning=20 results.
 
Tracy 
----- Original Message -----
From: Steve=20 Brooks
To: Rotary motors in = aircraft
Sent: Wednesday, October 06, = 2004 7:30=20 AM
Subject: [FlyRotary] Re: #$!%@$ temperatures = still=20 high

Tracy,
I have leaned mode 1 as far as = it would=20 go.  I can turn the mixture control to about 8-9 o'clock and get = the=20 correct mixture.  I tried mode 3, and it does;t seem to do=20 anything.  While watching the air/ratio gauge at about 2000 = RPM's, left=20 knob at 9 clicked the store, no change, clicked it 3-4 times = more, still=20 no change.  This was with the mixture knob at about 9 also, so I = could=20 see any change on the LED bar graph of the ratio gauge.
 
Mixture seems to be rich at = every setting,=20 but better at higher RPMs.  Lower RPMs are really = rich.
 
Steve
-----Original Message-----
From: Rotary = motors in=20 aircraft [mailto:flyrotary@lancaironline.net]On Behalf Of = Tracy=20 Crook
Sent: Tuesday, October 05, 2004 11:00 = PM
To:=20 Rotary motors in aircraft
Subject: [FlyRotary] Re: #$!%@$=20 temperatures still high


>SNIP<
> I have a couple of other nagging=20 issues:
>
> 1) I seem to be running rich.  I turned = the=20 fuel pressure down
> some (30 PSI
> on my gauge (don't = know if=20 it's accurate)). That helped, but running both
> fuel pumps = makes the=20 engine run very rich at full power.  Turning off one
> = pump=20 increases power and smoothness.  At an idle, 1000-2000 RMS, if = I=20 shut
> off the main fuel pump, the engine smoothes out, and = gain a=20 little rpm,
> before running out of fuel.
>
> 2) = For=20 whatever reason the "coil test" has stopped working.  I used to = be
> able to go to the "B" controller, and do the coil test to = check
> the leading
> or trailing coils.  That = doesn't=20 work, and if I turn it to off (I'm using
> the ignition = switch), it=20 keeps on running.  Used to kill the
> engine = before.
> I'm=20 not sure what this is, and haven't really done any testing=20 yet.
>
> Steve Brooks (praying for cold=20 weather)
>>  Homepage:  http://www.flyrotary.com/
>&= gt; =20 Archive:   http://lancai= ronline.net/lists/flyrotary/List.html
To make any meaningful comments I'd need to know if you tried = the=20 easiest things first.  If the engine is running too rich, did = you turn=20 down the mixture control? If so, what happened?  If = that=20 wasn't enough, did you reduce the injector flow rate? (mode = 3).  Is it=20 rich at every throttle setting or just a few? 
 
Sounds like something has gone bad with wiring on the coil test = issue.  Sounds like you still have power to the injectors when = you turn=20 the EC2 off causing it to continue running.  Correct this right = away if=20 so.
 
Tracy
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