X-Virus-Scanned: clean according to Sophos on Logan.com Return-Path: Received: from fed1rmmtao102.cox.net ([68.230.241.44] verified) by logan.com (CommuniGate Pro SMTP 5.3.11) with ESMTP id 4668605 for flyrotary@lancaironline.net; Sun, 09 Jan 2011 00:13:37 -0500 Received-SPF: none receiver=logan.com; client-ip=68.230.241.44; envelope-from=alventures@cox.net Received: from fed1rmimpo01.cox.net ([70.169.32.71]) by fed1rmmtao102.cox.net (InterMail vM.8.01.03.00 201-2260-125-20100507) with ESMTP id <20110109051302.RSVK21172.fed1rmmtao102.cox.net@fed1rmimpo01.cox.net> for ; Sun, 9 Jan 2011 00:13:02 -0500 Received: from BigAl ([72.199.216.14]) by fed1rmimpo01.cox.net with bizsmtp id tHD11f00E0KDB3c03HD1l9; Sun, 09 Jan 2011 00:13:02 -0500 X-VR-Score: 0.00 X-Authority-Analysis: v=1.1 cv=3z1fhageN2+f9LVFv+eTkysbyEqTX/pUW0tQ4wyK9Sw= c=1 sm=1 a=vsu-XWtdJmYA:10 a=TPvrVRyicAsl4VeEYn0L5g==:17 a=Ia-xEzejAAAA:8 a=HZJGGiqLAAAA:8 a=pGLkceISAAAA:8 a=8sO4hHHHyaWNwMBfBSgA:9 a=EXstyR0_RRIlyhbPGKwA:7 a=pSWX8iN5uUrMjTfPkDsdVepuD90A:4 a=CjuIK1q_8ugA:10 a=EzXvWhQp4_cA:10 a=HeoGohOdMD0A:10 a=MSl-tDqOz04A:10 a=EYHE4_pQsA8bJBKqQw4A:9 a=CThrtxMjmmSE7y4lb78A:7 a=_ePRtQhBhYVIe4oJ9M6Wxqbb3QoA:4 a=TPvrVRyicAsl4VeEYn0L5g==:117 X-CM-Score: 0.00 Authentication-Results: cox.net; none From: "Al Gietzen" To: "'Rotary motors in aircraft'" Subject: RE: [FlyRotary] Re: LS2 "Yukon" coil report Date: Sat, 8 Jan 2011 21:14:17 -0800 Message-ID: MIME-Version: 1.0 Content-Type: multipart/alternative; boundary="----=_NextPart_000_0008_01CBAF79.0285FC30" X-Priority: 3 (Normal) X-MSMail-Priority: Normal X-Mailer: Microsoft Outlook, Build 10.0.6863 X-MimeOLE: Produced By Microsoft MimeOLE V6.00.2900.5994 In-Reply-To: Importance: Normal Thread-Index: AcuvmlqZ0R/EJsYWQlW83Ln22yhs5AAIAmUg This is a multi-part message in MIME format. ------=_NextPart_000_0008_01CBAF79.0285FC30 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: quoted-printable Mark; =20 It's great that this has have resolved the occasional misses for you. = It's very puzzling to me that my engine (and apparently many others) has = always run smooth at any condition over about 1500 rpm with the same controller = and the D580 coils. Has this only been an issue with the P-port? Al =20 -----Original Message----- From: Rotary motors in aircraft [mailto:flyrotary@lancaironline.net] On Behalf Of Mark Steitle Sent: Saturday, January 08, 2011 5:12 PM To: Rotary motors in aircraft Subject: [FlyRotary] Re: LS2 "Yukon" coil report =20 Yeah, easy for you to say. =20 =20 Flew today and the engine ran great, although it did miss once while I = was tweaking the mixture, so it was most likely mixture related and self-induced. Normally, it would mis on takeoff climb. Today's climb, while only at 2/3 throttle, was smooth as silk. =20 =20 So, in retrospect, it appears that this was a worthwhile exercise. I = wish I could say that for all of my so-called "improvements". =20 =20 Mark =20 On Sat, Jan 8, 2011 at 7:00 PM, Kelly Troyer wrote: Great news so far Mark !!...........Can hardly wait for the flight report..........I wonder if the improvement as of this post is solely due to the stronger spark (120 ma) of the D585 or if the performance of one or more of your old coils was degraded ??.............After you flight test the new coils it would be interesting if you were to substitute your old coils one at a time and do a flight test to see if the old miss reappears.............Easy for me to say wasn't it !!................<:) = =20 =20 Kelly Troyer "DYKE DELTA JD2" (Eventually) "13B ROTARY"_ Engine "RWS"_RD1C/EC2/EM2 "MISTRAL"_Backplate/Oil Manifold "TURBONETICS"_TO4E50 Turbo =20 =20 _____ =20 From: Mark Steitle To: Rotary motors in aircraft Sent: Fri, January 7, 2011 9:10:29 PM Subject: [FlyRotary] LS2 "Yukon" coil report Guys/gals,=20 =20 I managed to rig up the six new LS2 "Yukon" coils on my p-port 20B today = to see if there was any noticeable improvement over the old LS1 "truck" = coils. While I had a new set of plugs on hand, for once I resisted installing = them so as to not change more than one thing at a time.=20 =20 First impression, beginning with a stone cold engine, full rich on the mixture, two hits of primer, hit the starter and it came to life immediately. I mean that it started quicker than my Mazda 3 or my Chevy Silverado when doing a cold start. It idled down to 1500-1600 as sweet = as could be, unlike previously. =20 =20 I didn't have time to fully warm it up and do a full power test, but I = did run it to a little over 4000 rpm and it ran very smooth. =20 =20 So, bottom line is that I am happy with the LS2 "Yukon" coil upgrade. I will post a flight report after I get the wiring cleaned up and flight worthy. =20 Mark =20 ------=_NextPart_000_0008_01CBAF79.0285FC30 Content-Type: text/html; charset="us-ascii" Content-Transfer-Encoding: quoted-printable

Mark;

 

It’s great that this has = have resolved the occasional misses for you.  It’s very puzzling = to me that my engine (and apparently many others) has always run smooth at any = condition over about 1500 rpm with the same controller and the D580 coils. Has this only been an issue = with the P-port?

Al

 

-----Original = Message-----
From: Rotary motors in = aircraft [mailto:flyrotary@lancaironline.net] On Behalf Of Mark Steitle
Sent: Saturday, January = 08, 2011 5:12 PM
To: Rotary motors in = aircraft
Subject: [FlyRotary] Re: = LS2 "Yukon" coil report

 

Yeah, easy for you to say. =  

 

Flew today and the engine ran great, although = it did miss once while I was tweaking the mixture, so it was most likely = mixture related and self-induced.  Normally, it would mis on takeoff climb.  Today's climb, while only at 2/3 throttle, was smooth as silk. =  

 

So, in retrospect, it appears that this was a worthwhile exercise.  I wish I could say that for all of my = so-called "improvements".  

 

Mark

 

On Sat, Jan 8, 2011 at 7:00 PM, Kelly Troyer = <keltro@att.net> = wrote:

Great news so far Mark !!...........Can hardly wait for the flight report..........I wonder if = the improvement as of this post

is solely due to the = stronger spark (120 ma) of the D585 or if the performance of one or more of = your old coils was

degraded = ??.............After you flight test the new coils it would be interesting if you were to = substitute your old coils

one at a time and do a = flight test to see if the old miss reappears.............Easy for me to say wasn't = it !!................<:) 

 

  

Kelly Troyer
"DYKE DELTA = JD2" = (Eventually)

"13B ROTARY"_ Engine
"RWS"_RD1C/EC2/EM2
"MISTRAL"_Backplate/Oil Manifold

"TURBONETICS"_TO4E50 = Turbo

 

 

From: Mark Steitle <msteitle@gmail.com>
To: Rotary motors in = aircraft <flyrotary@lancaironline.net>
Sent: Fri, January 7, = 2011 9:10:29 PM
Subject: [FlyRotary] LS2 "Yukon" coil report

Guys/gals,

 

I managed to rig up the six new LS2 = "Yukon" coils on my p-port 20B today to see if there was any noticeable = improvement over the old LS1 "truck" coils.  While I had a new set of = plugs on hand, for once I resisted installing them so as to not change more = than one thing at a time.

 

First impression, beginning with a stone cold = engine, full rich on the mixture, two hits of primer, hit the starter and it = came to life immediately.  I mean that it started quicker than my Mazda 3 = or my Chevy Silverado when doing a cold start.  It idled down to = 1500-1600 as sweet as could be, unlike previously.  

 

I didn't have time to fully warm it up and do = a full power test, but I did run it to a little over 4000 rpm and it ran very = smooth.  

 

So, bottom line is that I am happy with the = LS2 "Yukon" coil upgrade.  I will post a flight report after = I get the wiring cleaned up and flight worthy.

 

Mark

 

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