X-Virus-Scanned: clean according to Sophos on Logan.com Return-Path: Received: from fmailhost06.isp.att.net ([207.115.11.56] verified) by logan.com (CommuniGate Pro SMTP 5.2.16) with ESMTP id 3877682 for flyrotary@lancaironline.net; Wed, 07 Oct 2009 09:27:54 -0400 Received-SPF: none receiver=logan.com; client-ip=207.115.11.56; envelope-from=bbradburry@bellsouth.net Received: from desktop (adsl-157-211-223.mco.bellsouth.net[70.157.211.223]) by isp.att.net (frfwmhc06) with SMTP id <20091007132717H0600nsmeoe>; Wed, 7 Oct 2009 13:27:17 +0000 X-Originating-IP: [70.157.211.223] From: "Bill Bradburry" To: "'Rotary motors in aircraft'" References: In-Reply-To: Subject: RE: [FlyRotary] Re: engine runup video Date: Wed, 7 Oct 2009 09:27:33 -0400 Message-ID: <599AB0DDB92B45B89FC221FCFFA25689@Desktop> MIME-Version: 1.0 Content-Type: multipart/alternative; boundary="----=_NextPart_000_0042_01CA4730.66960330" X-Mailer: Microsoft Office Outlook 11 Thread-Index: AcpHAu3iW7tDBfWGSK+Pns10NprF9gATrPJA X-MimeOLE: Produced By Microsoft MimeOLE V6.0.6002.18005 This is a multi-part message in MIME format. ------=_NextPart_000_0042_01CA4730.66960330 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Thanks Mike. Do you have same or different size primary/secondary injectors ? Bill B _____ 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, 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 ----- From: Bill Bradburry To: Rotary motors in aircraft 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 _____ 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: http://www.stinsonvoyager.com/images/MikeWills13bEngineRun.wmv 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. Mike Wills RV-4 N144MW ------=_NextPart_000_0042_01CA4730.66960330 Content-Type: text/html; charset="us-ascii" Content-Transfer-Encoding: quoted-printable

Thanks Mike.

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

Bill B

 

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,

 

 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 ----- =

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 

 

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:

 

 

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.

 

Mike Wills

RV-4 N144MW

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