X-Virus-Scanned: clean according to Sophos on Logan.com Return-Path: Received: from mailrelay.embarq.synacor.com ([208.47.184.3] verified) by logan.com (CommuniGate Pro SMTP 5.2.16) with ESMTP id 3889663 for flyrotary@lancaironline.net; Sat, 17 Oct 2009 22:50:01 -0400 Received-SPF: pass receiver=logan.com; client-ip=208.47.184.3; envelope-from=candtmallory@embarqmail.com Return-Path: DKIM-Signature: v=1; a=rsa-sha1; d=embarqmail.com; s=s012408; c=relaxed/simple; q=dns/txt; i=@embarqmail.com; t=1255834166; h=From:Subject:Date:To:MIME-Version:Content-Type; bh=XB6MbmUvOvpiBeuQxG8UDe5np7U=; b=kdLYGdGgYpI16z9FYvWwofecZ3judxxjOzLkRQY1j4/ZPCzi87YLfjkSv0OcKLTf bGjOgNsovdkTwN1AIcWXQ5hv36Tdxk/qMP3yZNhqRbCWkUxFQImDXn5brEh7UsBM; X-BINDING: X-Spam-Rating: None X_CMAE_Category: 0,0 Undefined,Undefined X-CNFS-Analysis: v=1.0 c=1 a=leXR_GxepSXfHd5s4-UA:9 a=Z5gDfmxMAAg4E9uvjzT73hEmllIA:4 a=yMhMjlubAAAA:8 a=SSmOFEACAAAA:8 a=AgsDxUhscYok3kkJuW8A:9 a=4YiFnrWJ7LTkCT7bMpoA:7 a=yoA7tTKTssAVbAZgX7KyC8rQwg8A:4 X-CM-Score: 0 X-Scanned-by: Cloudmark Authority Engine Authentication-Results: smtp01.embarq.synacor.com smtp.user=candtmallory@embarqmail.com; auth=pass (LOGIN) Received: from [76.3.94.205] ([76.3.94.205:17159] helo=AcerPC) by mailrelay.embarq.synacor.com (envelope-from ) (ecelerity 2.2.2.40 r(29895/29896)) with ESMTPA id 69/6E-05672-6328ADA4; Sat, 17 Oct 2009 22:49:26 -0400 From: "Chris and Terria" To: "'Rotary motors in aircraft'" Subject: EC-2 A and B differences Date: Sat, 17 Oct 2009 22:49:22 -0400 Message-ID: <000001ca4f9d$99556250$cc0026f0$@com> MIME-Version: 1.0 Content-Type: multipart/alternative; boundary="----=_NextPart_000_0001_01CA4F7C.1243C250" X-Mailer: Microsoft Office Outlook 12.0 Thread-Index: AcpPnZiiIoJlszqTQj63kSx4qPdLjw== Content-Language: en-us This is a multipart message in MIME format. ------=_NextPart_000_0001_01CA4F7C.1243C250 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit I am still trying to get the engine to run smooth. It has been surging on me. With fuel pressure steady, the mixture and the RPM jump around a lot (I haven't started taking exact readings yet, still trying to reduce/eliminate surging). Today I tried swapping around the vacuum lines, and as an afterthought, I selected the B controller, and the engine smoother out, and RPM jumped up considerably. So I am wondering what the difference is between the two. What are the extra things that A looks at that B doesn't? This will help me figure out a troubleshooting procedure. Maybe I can isolate the faulty component. I looked through the EC-2 manual and couldn't find anything listed. Maybe I missed it. Chris ------=_NextPart_000_0001_01CA4F7C.1243C250 Content-Type: text/html; charset="us-ascii" Content-Transfer-Encoding: quoted-printable

I am still trying to get the engine to run = smooth.  It has been surging on me.  With fuel pressure steady, the mixture and = the RPM jump around a lot (I haven’t started taking exact readings = yet, still trying to reduce/eliminate surging). 

 

Today I tried swapping around the vacuum lines, and = as an afterthought, I selected the B controller, and the engine smoother out, = and RPM jumped up considerably.

 

So I am wondering what the difference is between = the two.  What are the extra things that A looks at that B = doesn’t?  This will help me figure out a troubleshooting procedure.  Maybe I = can isolate the faulty component.

 

I looked through the EC-2 manual and couldn’t = find anything listed.  Maybe I missed it.

 

Chris

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