X-Virus-Scanned: clean according to Sophos on Logan.com Return-Path: Received: from imr-db01.mx.aol.com ([205.188.91.95] verified) by logan.com (CommuniGate Pro SMTP 5.4.0) with ESMTP id 5054706 for flyrotary@lancaironline.net; Sun, 17 Jul 2011 16:18:02 -0400 Received-SPF: pass receiver=logan.com; client-ip=205.188.91.95; envelope-from=Bktrub@aol.com Received: from imo-da03.mx.aol.com (imo-da03.mx.aol.com [205.188.169.201]) by imr-db01.mx.aol.com (8.14.1/8.14.1) with ESMTP id p6HKHKSA009399 for ; Sun, 17 Jul 2011 16:17:20 -0400 Received: from Bktrub@aol.com by imo-da03.mx.aol.com (mail_out_v42.9.) id q.1096.99b7ed2 (55765) for ; Sun, 17 Jul 2011 16:17:16 -0400 (EDT) Received: from smtprly-dd01.mx.aol.com (smtprly-dd01.mx.aol.com [205.188.84.129]) by cia-md05.mx.aol.com (v129.10) with ESMTP id MAILCIAMD056-d3e74e234349149; Sun, 17 Jul 2011 16:17:16 -0400 Received: from webmail-d075 (webmail-d075.sim.aol.com [205.188.181.101]) by smtprly-dd01.mx.aol.com (v129.10) with ESMTP id MAILSMTPRLYDD013-d3e74e234349149; Sun, 17 Jul 2011 16:17:13 -0400 References: To: flyrotary@lancaironline.net Subject: Re: [FlyRotary] Re: High speed stumble continues Date: Sun, 17 Jul 2011 16:17:14 -0400 X-AOL-IP: 69.84.254.253 In-Reply-To: X-MB-Message-Source: WebUI MIME-Version: 1.0 From: bktrub@aol.com X-MB-Message-Type: User Content-Type: multipart/alternative; boundary="--------MB_8CE12D5A6BB1EE4_C68_25418_webmail-d075.sysops.aol.com" X-Mailer: AOL Webmail 33953-STANDARD Received: from 69.84.254.253 by webmail-d075.sysops.aol.com (205.188.181.101) with HTTP (WebMailUI); Sun, 17 Jul 2011 16:17:14 -0400 Message-Id: <8CE12D5A6B3FAC1-C68-11A2D@webmail-d075.sysops.aol.com> X-Spam-Flag:NO X-AOL-SENDER: Bktrub@aol.com ----------MB_8CE12D5A6BB1EE4_C68_25418_webmail-d075.sysops.aol.com Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset="us-ascii" I will check the polarity before I do any testing.=20 Brian Trubee -----Original Message----- From: Tracy To: Rotary motors in aircraft Sent: Sun, Jul 17, 2011 12:31 pm Subject: [FlyRotary] Re: High speed stumble continues I try to discourage 'blind' testing but I guess it couldn't hurt anything.= I sent the procedure for testing the sensor polarity previously so if at= all possible, know what the right way is before hooking stuff up. Tracy Sent from my iPad On Jul 16, 2011, at 10:12 AM, bktrub@aol.com wrote: Sure, If you have the equipment to record the signals, I might take you up= on it. I have one last thing to try before I am out of options. I am goin= g to try reversing the way the wires are connected to the crank angle sens= ors. They may be wired incorrectly.=20 =20 Brian Trubee -----Original Message----- From: Steven W. Boese To: Rotary motors in aircraft Sent: Fri, Jul 15, 2011 11:07 pm Subject: [FlyRotary] Re: High speed stumble continues Brian, =20 My EC2's fire the leading and trailing plugs simultaneously. Have you tri= ed disabling the leading or trailing coils when the problem is occurring? =20 Since you are able to induce the problem on the ground, have you given any= thought to the offer of sending you the equipment to record the EC2's inp= ut and output signals? This might indicate the nature of the problem and= thus facilitate the development of a solution. =20 =20 Steve Boese RV6A, 1986 13B NA, RD1A, EC2 =20 From: Rotary motors in aircraft [flyrotary@lancaironline.net] on behalf of= bktrub@aol.com [bktrub@aol.com] Sent: Wednesday, July 13, 2011 8:20 PM To: Rotary motors in aircraft Subject: [FlyRotary] High speed stumble continues I just installed the Magnecor wires, put on a smaller prop, re-routed the= CAS sensor wires to a location further away from the secondary igntion le= ads, and ran up the engine. No joy- I still get lots of misfiring above 52= 00 RPM. Wondering if the issue might be with my EC2. I still have questions about how my CAS is wired, on the 13BREW the CAS is= next to the trigger wheel, it consists of two hall effect sensors, one to= count every 30 degress,and one that counts every 360 degrees. The EC2 has= three wires going out to the CAS- one to provide voltage to both sensors,= and one wire each (#22 & #23 ) to read each sensor. My question is- is= polarity a possible issue with hall effect sensors?=20 =20 Also, does the EC@ fire both leading and trailing plugs simultaneously? =20 Brian Trubee Grounded until further notice ----------MB_8CE12D5A6BB1EE4_C68_25418_webmail-d075.sysops.aol.com Content-Transfer-Encoding: quoted-printable Content-Type: text/html; charset="us-ascii"
I will check the polarity before I do any testing.
 
Brian Trubee



-----Original Message-----
From: Tracy <rwstracy@gmail.com>
To: Rotary motors in aircraft <flyrotary@lancaironline.net>
Sent: Sun, Jul 17, 2011 12:31 pm
Subject: [FlyRotary] Re: High speed stumble continues

I try to discourage 'blind' testing but I guess it couldn't hurt anyt= hing.  I sent the procedure for testing the sensor polarity previousl= y so if at all possible, know what the right way is before hooking stuff= up.

Tracy

Sent from my iPad

On Jul 16, 2011, at 10:12 AM, bktrub@aol= .com wrote:

Sure, If you have the equipment to record the signals, I might= take you up on it. I have one last thing to try before I am out of option= s. I am going to try reversing the way the wires are connected to the cran= k angle sensors. They may be wired incorrectly.
 
Brian Trubee



-----Original Message-----
From: Steven W. Boese <SBoese@uwyo.e= du>
To: Rotary motors in aircraft <flyrotary@lancaironline.net>
Sent: Fri, Jul 15, 2011 11:07 pm
Subject: [FlyRotary] Re: High speed stumble continues