Return-Path: Received: from [24.25.9.102] (HELO ms-smtp-03-eri0.southeast.rr.com) by logan.com (CommuniGate Pro SMTP 4.1.8) with ESMTP id 2882159 for flyrotary@lancaironline.net; Mon, 08 Dec 2003 14:52:57 -0500 Received: from o7y6b5 (clt78-020.carolina.rr.com [24.93.78.20]) by ms-smtp-03-eri0.southeast.rr.com (8.12.10/8.12.7) with SMTP id hB8Jqsxt027990 for ; Mon, 8 Dec 2003 14:52:55 -0500 (EST) Message-ID: <002e01c3bdc4$6adb4320$1702a8c0@WorkGroup> From: "Ed Anderson" To: "Rotary motors in aircraft" References: Subject: Re: [FlyRotary] EC2 MAP Table Date: Mon, 8 Dec 2003 14:49:39 -0500 MIME-Version: 1.0 Content-Type: multipart/alternative; boundary="----=_NextPart_000_002B_01C3BD9A.81CB3F60" X-Priority: 3 X-MSMail-Priority: Normal X-Mailer: Microsoft Outlook Express 6.00.2800.1106 X-MIMEOLE: Produced By Microsoft MimeOLE V6.00.2800.1106 X-Virus-Scanned: Symantec AntiVirus Scan Engine This is a multi-part message in MIME format. ------=_NextPart_000_002B_01C3BD9A.81CB3F60 Content-Type: text/plain; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable .com ----- Original Message -----=20 From: Perry Casson=20 To: Rotary motors in aircraft=20 Sent: Monday, December 08, 2003 2:20 PM Subject: [FlyRotary] EC2 MAP Table To try diagnosing a "runs rough at certain throttle settings" problem = on my plane I wrote a little windows application that can talk to = Tracy's EC2 and display real-time parameters plus upload/download the = MAP table to my laptop. Here's a spreadsheet of the resulting high and = low speed MAP Tables. No wonder there are some rough spots, after = seeing this I'm surprised the engine runs as well as it does. I'm = finding fixing rough spots hard to do from EC2 panel being as soon as = the engine hits a rough spot the manifold pressure changes and it hops = over to a good MAP value. Why the table looks as wild as it does is a = mystery to me but the general trend to lean from default at low manifold = pressure and richen the mixture a bit at high power is correct. I'm = going to try smoothing these numbers by hand and uploading something = that looks a bit more sane. This software (EC2Params.exe) and instructions on how to connect a = laptop to a EC2 will be posted after I clean things up a bit. Perhaps = I'll port it to PocketPC as well if there is interest. =20 Perry Casson Glastar/13B http://eaa154.dhs.org/perry =20 Absolutely outstanding, Perry. There is no doubt that my Ec2 map looks the same or worst, it = would be really great to get the program from you and which Ec2 wire you = hook it to to get your readings (I assume its the data output wire). I can run it on my laptop and take a look at it. So I definitedly = would like a copy of the software. Ed Anderson RV-6A N494BW Rotary Powered Matthews, NC eanderson@carolina.rr.com ------=_NextPart_000_002B_01C3BD9A.81CB3F60 Content-Type: text/html; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable
 
----- Original Message -----
From:=20 Perry=20 Casson
Sent: Monday, December 08, 2003 = 2:20=20 PM
Subject: [FlyRotary] EC2 MAP = Table

To try diagnosing a "runs rough at = certain=20 throttle settings" problem on my plane I wrote a little windows = application=20 that can talk to Tracy's EC2 and display real-time parameters plus=20 upload/download the MAP table to my laptop.   Here's=20 a spreadsheet of the resulting high and low speed MAP = Tables. =20 No wonder there are some rough spots, after seeing this I'm=20 surprised the engine runs as well as it does.  I'm finding = fixing=20 rough spots hard to do from EC2 panel being as soon as the engine hits = a rough=20 spot the manifold pressure changes and it hops over to a good MAP = value. =20 Why the table looks as wild as it does is a mystery to me but the = general=20 trend to lean from default at low manifold pressure and richen the = mixture a=20 bit at high power is correct.  I'm going to try smoothing these = numbers=20 by hand and uploading something that looks a bit more = sane.
 
This software=20 (EC2Params.exe) and instructions on how to connect a = laptop to=20 a EC2 will be posted after I clean things up a bit.  = Perhaps=20 I'll port it to PocketPC as well if there is interest.
 
     =
Perry = Casson
Glastar/13B
http://eaa154.dhs.org/perry

 
Absolutely outstanding, = Perry.
 
    There is no doubt = that my Ec2=20 map looks the same or worst, it would be really great to get the = program from=20 you and which Ec2 wire you hook it to to get your readings (I assume = its the=20 data output wire).
I can run it on my laptop and take a = look at=20 it.  So I definitedly would like a copy of the = software.
 
Ed Anderson
RV-6A N494BW Rotary = Powered
Matthews, NC
eanderson@carolina.rr.com
 
 
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