X-Virus-Scanned: clean according to Sophos on Logan.com Return-Path: Received: from fed1rmmtao107.cox.net ([68.230.241.39] verified) by logan.com (CommuniGate Pro SMTP 5.2.16) with ESMTP id 3878522 for flyrotary@lancaironline.net; Wed, 07 Oct 2009 23:44:21 -0400 Received-SPF: none receiver=logan.com; client-ip=68.230.241.39; envelope-from=rv-4mike@cox.net Received: from fed1rmimpo01.cox.net ([70.169.32.71]) by fed1rmmtao107.cox.net (InterMail vM.8.00.01.00 201-2244-105-20090324) with ESMTP id <20091008034341.YISH21470.fed1rmmtao107.cox.net@fed1rmimpo01.cox.net> for ; Wed, 7 Oct 2009 23:43:41 -0400 Received: from wills ([68.105.87.66]) by fed1rmimpo01.cox.net with bizsmtp id q3je1c0061RstZw033jgRn; Wed, 07 Oct 2009 23:43:40 -0400 X-VR-Score: -100.00 X-Authority-Analysis: v=1.0 c=1 a=i9ceE_VEvKUA:10 a=Ia-xEzejAAAA:8 a=8I59ToNzAAAA:8 a=75fLQwL4YJCc0HMnN0YA:9 a=l4sJsDnD4F6JAOwPB60A:7 a=5cecUMBuGuoEg1zYeb-rv91aiO4A:4 a=EzXvWhQp4_cA:10 a=kOXtst-vCfxgxg0S:21 a=s2n-tF9yWqEhUmiU:21 a=SSmOFEACAAAA:8 a=pedpZTtsAAAA:8 a=2lXwXgna3nHVoPbiBHgA:9 a=So71Jlm9H2zLNPVVrR8A:7 a=aRTGJMYyIykJDc-e0CPGD7lo5V4A:4 a=eJojReuL3h0A:10 X-CM-Score: 0.00 Message-ID: <4548D30C558D4922AEB6888B954FE33B@wills> From: "Mike Wills" To: "Rotary motors in aircraft" References: Subject: Re: [FlyRotary] Re: engine runup video Date: Wed, 7 Oct 2009 20:43:39 -0700 MIME-Version: 1.0 Content-Type: multipart/alternative; boundary="----=_NextPart_000_0073_01CA478E.D9603710" 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_0073_01CA478E.D9603710 Content-Type: text/plain; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable Stock 88 Mazda NA 13B injectors. ----- Original Message -----=20 From: Bill Bradburry=20 To: Rotary motors in aircraft=20 Sent: Wednesday, October 07, 2009 6:27 AM Subject: [FlyRotary] Re: engine runup video Thanks Mike. Do you have same or different size primary/secondary injectors ? Bill B =20 -------------------------------------------------------------------------= ----- From: Rotary motors in aircraft [mailto:flyrotary@lancaironline.net] = On Behalf Of Mike Wills Sent: Wednesday, October 07, 2009 12:01 AM To: Rotary motors in aircraft Subject: [FlyRotary] Re: engine runup video Bill, =20 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. =20 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 =20 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_0073_01CA478E.D9603710 Content-Type: text/html; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable
Stock 88 Mazda NA 13B = injectors.
----- Original Message -----
From:=20 Bill=20 Bradburry
Sent: Wednesday, October 07, = 2009 6:27=20 AM
Subject: [FlyRotary] Re: engine = runup=20 video

Thanks Mike.

Do you have same or different size = primary/secondary=20 injectors ?

Bill B

 

From:=20 Rotary motors in aircraft = [mailto:flyrotary@lancaironline.net] On=20 Behalf Of Mike Wills
Sent: Wednesday, October 07, = 2009 12:01=20 AM
To: = Rotary motors in aircraft
Subject: [FlyRotary] Re: engine = runup=20 video

Bill,

 

 I cant speak for = anyone=20 else, but my engine goes lean when it stages. I know what location in = the MCT=20 the transition occurs by looking at the MCT using the EFISM in real = time. I=20 simply set the first location where it runs on 4 injectors way richer = than the=20 previous location. The next couple of locations gradually taper back = down to a=20 more normal mixture. At this point I trial and error adjust the rich = location=20 back down until the bog re-appears, then richen back up a little. Its = really=20 pretty straight forward with the EFISM - I assume Tracy's EM = makes it=20 equally easy.

 

Mike=20 Wills

RV-4=20 N144MW

----- Original Message = -----=20

From: Bill=20 Bradburry

To: Rotary motors in = aircraft=20

Sent:=20 Tuesday, October 06, 2009 5:24 AM

Subject:=20 [FlyRotary] Re: engine runup = 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=20 the EC-2/3.

For the benefit of the ones of us who are = still=20 trying to understand that tricky little gem, could you give us some = kind of=20 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=20 you then did with trial and error? to tune it=20 out.

Bill = B 

 

From:=20 Rotary motors in = aircraft=20 [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=20 to 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. = Noticeable in the video is the big staging bog. I had this tuned out = about=20 15 minutes after he shot the = video.

 

Mike=20 Wills

RV-4=20 = N144MW

= ------=_NextPart_000_0073_01CA478E.D9603710--