X-Virus-Scanned: clean according to Sophos on Logan.com Return-Path: Received: from fed1rmmtao105.cox.net ([68.230.241.41] verified) by logan.com (CommuniGate Pro SMTP 5.2.16) with ESMTP id 3877353 for flyrotary@lancaironline.net; Wed, 07 Oct 2009 00:01:54 -0400 Received-SPF: none receiver=logan.com; client-ip=68.230.241.41; envelope-from=rv-4mike@cox.net Received: from fed1rmimpo02.cox.net ([70.169.32.72]) by fed1rmmtao105.cox.net (InterMail vM.8.00.01.00 201-2244-105-20090324) with ESMTP id <20091007040119.LEYX21106.fed1rmmtao105.cox.net@fed1rmimpo02.cox.net> for ; Wed, 7 Oct 2009 00:01:19 -0400 Received: from wills ([68.105.87.66]) by fed1rmimpo02.cox.net with bizsmtp id pg1G1c0071RstZw04g1JDp; Wed, 07 Oct 2009 00:01:18 -0400 X-VR-Score: 0.00 X-Authority-Analysis: v=1.0 c=1 a=i9ceE_VEvKUA:10 a=Ia-xEzejAAAA:8 a=8I59ToNzAAAA:8 a=75fLQwL4YJCc0HMnN0YA:9 a=3H_JRwtQOL-Lp-n8qxQA:7 a=dx8xJ_G977fjn99BWVYVJtGAXW4A:4 a=EzXvWhQp4_cA:10 a=SSmOFEACAAAA:8 a=pedpZTtsAAAA:8 a=YU6VxK9U6s5bV_CzLDoA:9 a=iiYMlUDg4X1EKOj5FRwA:7 a=R_Q6Wr-GehQy8JKMu9dAmC3MAHsA:4 a=eJojReuL3h0A:10 X-CM-Score: 0.00 Message-ID: From: "Mike Wills" To: "Rotary motors in aircraft" References: Subject: Re: [FlyRotary] Re: engine runup video Date: Tue, 6 Oct 2009 21:01:16 -0700 MIME-Version: 1.0 Content-Type: multipart/alternative; boundary="----=_NextPart_000_00A2_01CA46C8.254542A0" X-Priority: 3 X-MSMail-Priority: Normal X-Mailer: Microsoft Outlook Express 6.00.2900.5843 X-MimeOLE: Produced By Microsoft MimeOLE V6.00.2900.5579 This is a multi-part message in MIME format. ------=_NextPart_000_00A2_01CA46C8.254542A0 Content-Type: text/plain; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable Bill, I cant speak for anyone else, but my engine goes lean when it stages. I = know what location in the MCT the transition occurs by looking at the = MCT using the EFISM in real time. I simply set the first location where = it runs on 4 injectors way richer than the previous location. The next = couple of locations gradually taper back down to a more normal mixture. = At this point I trial and error adjust the rich location back down until = the bog re-appears, then richen back up a little. Its really pretty = straight forward with the EFISM - I assume Tracy's EM makes it equally = easy. Mike Wills RV-4 N144MW ----- Original Message -----=20 From: Bill Bradburry=20 To: Rotary motors in aircraft=20 Sent: Tuesday, October 06, 2009 5:24 AM Subject: [FlyRotary] Re: engine runup video Mike, Judging from the ease with which you tuned out the staging bog, you = have a pretty good handle on how to tune the engine with the EC-2/3. For the benefit of the ones of us who are still trying to understand = that tricky little gem, could you give us some kind of blow by blow as = to how you went about tuning the bog out? I am wondering what you = looked for to determine where the problem was and what you then did with = trial and error? to tune it out. Bill B=20 =20 -------------------------------------------------------------------------= ----- From: Rotary motors in aircraft [mailto:flyrotary@lancaironline.net] = On Behalf Of Mike Wills Sent: Sunday, October 04, 2009 12:35 PM To: Rotary motors in aircraft Subject: [FlyRotary] engine runup video For anyone who hasnt had that first engine run and is looking for some = motivation. A buddy visited the hangar a few weeks ago and shot some = video of an engine runup. He posted it to his website and you can find = it here: =20 http://www.stinsonvoyager.com/images/MikeWills13bEngineRun.wmv =20 This was shot right after I re-installed my original muffler after the = aborted DNA muffler test. Noticeable in the video is the big staging = bog. I had this tuned out about 15 minutes after he shot the video. =20 Mike Wills RV-4 N144MW ------=_NextPart_000_00A2_01CA46C8.254542A0 Content-Type: text/html; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable
Bill,
 
 I cant speak for anyone else, but = my engine=20 goes lean when it stages. I know what location in the MCT the transition = occurs=20 by looking at the MCT using the EFISM in real time. I simply set the = first=20 location where it runs on 4 injectors way richer than the previous = location. The=20 next couple of locations gradually taper back down to a more normal = mixture. At=20 this point I trial and error adjust the rich location back down until = the bog=20 re-appears, then richen back up a little. Its really pretty straight = forward=20 with the EFISM - I assume Tracy's EM makes it equally easy.
 
Mike Wills
RV-4 N144MW
----- Original Message -----
From:=20 Bill=20 Bradburry
Sent: Tuesday, October 06, 2009 = 5:24=20 AM
Subject: [FlyRotary] Re: engine = runup=20 video

Mike,

Judging from the ease with which you tuned = out the=20 staging bog, you have a pretty good handle on how to tune the engine = with the=20 EC-2/3.

For the benefit of the ones of us who are = still trying=20 to understand that tricky little gem, could you give us some kind of = blow by=20 blow as to how you went about tuning the bog out?  I am wondering = what=20 you looked for to determine where the problem was and what you then = did with=20 trial and error? to tune it out.

Bill = B 

 

From:=20 Rotary motors in aircraft = [mailto:flyrotary@lancaironline.net] On=20 Behalf Of Mike Wills
Sent: Sunday, October 04, 2009 = 12:35=20 PM
To: = Rotary motors in aircraft
Subject: [FlyRotary] engine = runup=20 video

For anyone who hasnt had = that=20 first engine run and is looking for some motivation. A buddy visited = the=20 hangar a few weeks ago and shot some video of an engine runup. He = posted it to=20 his website and you can find it = here:

 

h= ttp://www.stinsonvoyager.com/images/MikeWills13bEngineRun.wmv<= /FONT>

 

This was shot right = after I=20 re-installed my original muffler after the aborted DNA muffler test.=20 Noticeable in the video is the big staging bog. I had this tuned out = about 15=20 minutes after he shot the video.

 

Mike=20 Wills

RV-4=20 = N144MW

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