X-Virus-Scanned: clean according to Sophos on Logan.com Return-Path: Received: from misav07.sasknet.sk.ca ([142.165.20.171] verified) by logan.com (CommuniGate Pro SMTP 5.0.9) with ESMTP id 1063623 for flyrotary@lancaironline.net; Sun, 09 Apr 2006 22:53:50 -0400 Received-SPF: none receiver=logan.com; client-ip=142.165.20.171; envelope-from=hjjohnson@sasktel.net Received: from bgmpomr1.sasknet.sk.ca ([142.165.72.22]) by misav07 with InterScan Messaging Security Suite; Sun, 09 Apr 2006 20:53:01 -0600 Received: from home ([206.163.240.39]) by bgmpomr1.sasknet.sk.ca (SaskTel eMessaging Service) with ESMTPA id <0IXH00LYBK0CMZ20@bgmpomr1.sasknet.sk.ca> for flyrotary@lancaironline.net; Sun, 09 Apr 2006 20:53:00 -0600 (CST) Date: Sun, 09 Apr 2006 20:52:59 -0600 From: Jarrett & Heidi Johnson Subject: Re: [FlyRotary] Re: FI mystery To: Rotary motors in aircraft Message-id: <011f01c65c49$e0d68140$6401a8c0@home> MIME-version: 1.0 X-MIMEOLE: Produced By Microsoft MimeOLE V6.00.2900.2180 X-Mailer: Microsoft Outlook Express 6.00.2900.2180 Content-type: multipart/alternative; boundary="Boundary_(ID_evkVg5LaC/0LCJ0uLtNq/A)" X-Priority: 3 X-MSMail-priority: Normal References: This is a multi-part message in MIME format. --Boundary_(ID_evkVg5LaC/0LCJ0uLtNq/A) Content-type: text/plain; charset=iso-8859-1 Content-transfer-encoding: 7BIT and or plugged injectors? Things gum up fast w/ the gas we have these days.. Might be worth setting up some type of flow bench just to see what kind of pattern you get out of them?? Jarrett Johnson ----- Original Message ----- From: Bob Darrah To: Rotary motors in aircraft Sent: Sunday, April 09, 2006 8:40 PM Subject: [FlyRotary] Re: FI mystery Old gas????? Bob Darrah ----- Original Message ----- ---------------------------------------------------------------------------- From: Rotary motors in aircraft [mailto:flyrotary@lancaironline.net] On Behalf Of Al Gietzen Sent: Sunday, April 09, 2006 8:27 AM To: Rotary motors in aircraft Subject: [FlyRotary] FI mystery I put about 4 - 5 hours of time on my engine installation months ago, and had everything pretty much "dialed in" for proper running from 1000 rpm up to max static rpm (~5200). Then it sat with no running for about 6 months while I did upholstery, paint and other stuff in my life. I've moved the plane to the airport, and got it all assembled. Yesterday rolled it out for an engine run-up. Since the beginning it had always fired off after a few strokes, and I'd turn off the cold start switch seconds after it was running. This time I had difficulty in getting it started. Once I got it running, it would quit immediately when the cold start switch was turned off. Leaving the cold start "on" it runs fine above about 2000 rpm with the mixture turned toward lean to about 9:00 o'clock. Reducing rpm lower it wants to die. As I increase rpm above 2000 I need to rotate mixture knob significantly toward to richer to keep things smooth. Fuel pressure, MAP, ignition, etc. all are normal. When I get the mixture knob adjusted it is smooth, so injectors are working on all three rotors. I didn't take it above the staging point so it is running on one set of injectors. Haven't had a chance yet to look at the mixture map on the EM2, and won't get back to the airport until Monday. I'm a bit baffled on what could have changed since last operation and what to check. Anybody have any similar experience? Ideas? Al ------------------------------------------------------------------------------ No virus found in this incoming message. Checked by AVG Free Edition. Version: 7.1.385 / Virus Database: 268.4.0/305 - Release Date: 4/8/2006 --Boundary_(ID_evkVg5LaC/0LCJ0uLtNq/A) Content-type: text/html; charset=iso-8859-1 Content-transfer-encoding: quoted-printable
and or plugged injectors?  Things = gum up fast=20 w/ the gas we have these days..
 
Might be worth setting up some type of = flow bench=20 just to see what kind of pattern you get out of them??
 
Jarrett Johnson
----- Original Message -----
From:=20 Bob=20 Darrah
Sent: Sunday, April 09, 2006 = 8:40=20 PM
Subject: [FlyRotary] Re: FI = mystery

Old gas?????
 
Bob Darrah
----- Original Message -----
 

 

From:=20 Rotary motors in aircraft [mailto:flyrotary@lancaironline.net] = On Behalf Of Al = Gietzen
Sent: Sunday, April 09, 2006 = 8:27=20 AM
To: Rotary = motors in=20 aircraft
Subject: = [FlyRotary] FI mystery

 

I put about 4 - 5 = hours of=20 time on my engine installation months ago, and had everything pretty = much=20 =93dialed in=94 for proper running from 1000 rpm up to max static = rpm=20 (~5200).  Then it sat with no running for about 6 months while = I did=20 upholstery, paint and other stuff in my life.  I=92ve moved the = plane to=20 the airport, and got it all assembled.  Yesterday rolled it out = for an=20 engine run-up.

 

Since the beginning = it had=20 always fired off after a few strokes, and I=92d turn off the cold = start switch=20 seconds after it was running. This time I had difficulty in getting = it=20 started.  Once I got it running, it would quit immediately when = the=20 cold start switch was turned off.  Leaving the cold start = =93on=94 it runs=20 fine above about 2000 rpm with the mixture turned toward lean to = about 9:00=20 o=92clock.  Reducing rpm lower it wants to die. As I increase = rpm above=20 2000 I need to rotate mixture knob significantly toward to richer to = keep=20 things smooth.

 

Fuel pressure, MAP, = ignition,=20 etc. all are normal.  When I get the mixture knob adjusted it = is=20 smooth, so injectors are working on all three rotors.  I = didn=92t take it=20 above the staging point so it is running on one set of = injectors. =20 Haven=92t had a chance yet to look at the mixture map on the EM2, = and won=92t=20 get back to the airport until Monday.

 

I=92m a bit baffled = on what=20 could have changed since last operation and what to check.  = Anybody=20 have any similar experience?  = Ideas?

 

Al

No virus found in this incoming message.
Checked by AVG Free = Edition.
Version: 7.1.385 / Virus Database: 268.4.0/305 - Release = Date:=20 4/8/2006
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