Return-Path: Received: from [65.54.169.148] (HELO hotmail.com) by logan.com (CommuniGate Pro SMTP 4.1) with ESMTP id 2512148 for flyrotary@lancaironline.net; Tue, 05 Aug 2003 12:30:05 -0400 Received: from mail pickup service by hotmail.com with Microsoft SMTPSVC; Tue, 5 Aug 2003 09:30:00 -0700 Received: from 67.243.12.198 by bay3-dav118.bay3.hotmail.com with DAV; Tue, 05 Aug 2003 16:30:00 +0000 X-Originating-IP: [67.243.12.198] X-Originating-Email: [lors01@msn.com] Reply-To: "Tracy Crook" From: "Tracy Crook" To: "Rotary motors in aircraft" References: Subject: Re: [FlyRotary] Re: tiny tach works, and my plane is a pig Date: Tue, 5 Aug 2003 12:31:42 -0400 Organization: Real World Solutions Inc. MIME-Version: 1.0 Content-Type: multipart/alternative; boundary="----=_NextPart_000_00C7_01C35B4D.86AE86E0" X-Priority: 3 X-MSMail-Priority: Normal X-Mailer: Microsoft Outlook Express 6.00.2800.1158 X-MimeOLE: Produced By Microsoft MimeOLE V6.00.2800.1165 Message-ID: X-OriginalArrivalTime: 05 Aug 2003 16:30:00.0898 (UTC) FILETIME=[D116FA20:01C35B6E] This is a multi-part message in MIME format. ------=_NextPart_000_00C7_01C35B4D.86AE86E0 Content-Type: text/plain; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable Message It gets better as the speed increases, but it's not "spooky smooth" = like I described it before. Until I do some tuning, there is no idle. = It won't run below about 2000 rpm, but this is something that Tracy is = sure is a tuning problem. I would like to start working on tuning the = engine this weekend, and I've been whining as hard as I can to get Tracy = to send me the new firmware. He now offers an option of using his = actual engine parameters as a default, instead of the normal factory = default (which is still an option). That would put me in the ballpark = quickly. Waaaaa can I have my firmware now Tracy :-)=20 Rusty Turbo 13B RV-3B (fat boy)=20 Working on it now Rusty. =20 A comment I've had to make to almost every EC2 user is "Don't be = afraid to use that mixture control!" It seems that many users are = afraid to adjust it for fear of doing damage to the engine. The only = time this is even possible is when running high boost and you lean it to = the critical edge of detonation. Note that there is NO mixture setting = that will hurt the engine when normally aspirated (or below 30" Hg = manifold pressure) assuming the ignition timing is in the ball park and = engine is below 6500 rpm. So, if that engine is running too rich and you havent done the MAP = setup (why not?), reach over and turn that mixture control left (lean) = when at idle. Idle & low speed is where the engine will always be too = rich with the default MAP table setup. Prior to running at high = throttle, turn the mixture control up as needed. And always keep an = eye on the mixture monitor during setup. Tracy ------=_NextPart_000_00C7_01C35B4D.86AE86E0 Content-Type: text/html; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable Message
 

 
It gets better as the speed increases, but = it's=20 not "spooky smooth" like I described it before.  Until I do = some=20 tuning, there is no idle.  It won't run below about 2000 = rpm, but=20 this is something that Tracy is sure is a tuning problem.  I = would like=20 to start working on tuning the engine this weekend, and I've been = whining=20 as hard as I can to get Tracy to send me the new firmware.  He = now offers=20 an option of using his actual engine parameters as a default, = instead of=20 the normal factory default (which is still an option).  That = would=20 put me in the ballpark quickly.
 
Waaaaa can I have my firmware now Tracy=20 :-) 
 
Rusty
Turbo 13B RV-3B (fat=20 boy) 
 
 
Working on it now Rusty.  =
 
A comment I've had to make to = almost every=20 EC2 user is "Don't be afraid to use that mixture control!"  = It seems=20 that many users are afraid to adjust it for fear of doing damage = to the=20 engine.  The only time this is even possible is when = running high=20 boost and you lean it to the critical edge of detonation.  Note = that=20 there is NO mixture setting that will hurt the engine = when normally=20 aspirated (or below 30" Hg manifold pressure) assuming the=20 ignition timing is in the ball park and engine is below 6500=20 rpm.
 
   So, if that engine is = running too=20 rich and you havent done the MAP setup (why not?), reach over and turn = that=20 mixture control left (lean) when at idle.  Idle & low speed = is where=20 the engine will always be too rich with the default MAP table = setup. =20 Prior to running at high throttle, turn the mixture control up as=20 needed.   And always keep an eye on the mixture monitor = during=20 setup.
 
Tracy
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