X-Virus-Scanned: clean according to Sophos on Logan.com Return-Path: Received: from bay0-omc1-s18.bay0.hotmail.com ([65.54.246.90] verified) by logan.com (CommuniGate Pro SMTP 5.1c.2) with ESMTP id 1232935 for flyrotary@lancaironline.net; Tue, 11 Jul 2006 18:29:04 -0400 Received-SPF: pass receiver=logan.com; client-ip=65.54.246.90; envelope-from=lors01@msn.com Received: from hotmail.com ([65.54.250.78]) by bay0-omc1-s18.bay0.hotmail.com with Microsoft SMTPSVC(6.0.3790.1830); Tue, 11 Jul 2006 15:26:34 -0700 Received: from mail pickup service by hotmail.com with Microsoft SMTPSVC; Tue, 11 Jul 2006 15:26:33 -0700 Message-ID: Received: from 4.171.147.143 by BAY115-DAV6.phx.gbl with DAV; Tue, 11 Jul 2006 22:26:29 +0000 X-Originating-IP: [4.171.147.143] X-Originating-Email: [lors01@msn.com] X-Sender: lors01@msn.com From: "Tracy Crook" To: "Rotary motors in aircraft" References: Subject: Re: [FlyRotary] Re: Dreded EM2 mandatory update Date: Tue, 11 Jul 2006 16:52:21 -0400 MIME-Version: 1.0 Content-Type: multipart/alternative; boundary="----=_NextPart_000_01AE_01C6A50A.604B9560" X-Priority: 3 X-MSMail-Priority: Normal X-Mailer: MSN 9 X-MimeOLE: Produced By MSN MimeOLE V9.20.0029.3000 Seal-Send-Time: Tue, 11 Jul 2006 16:52:21 -0400 X-OriginalArrivalTime: 11 Jul 2006 22:26:33.0956 (UTC) FILETIME=[10C2D240:01C6A539] Return-Path: lors01@msn.com This is a multi-part message in MIME format. ------=_NextPart_000_01AE_01C6A50A.604B9560 Content-Type: text/plain; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable Appreciate the thought Mark, but when I say "left off" I mean as in = never there. It got left off in the schematic transfer to the board = maker. It isn't there on any of the single piece units. The update = does not apply to the earlier two part units. I could send you a picture of nothing at all though : ) Tracy Crook ----- Original Message -----=20 From: Mark R Steitle=20 To: Rotary motors in aircraft=20 Sent: Monday, July 10, 2006 2:24 PM Subject: [FlyRotary] Re: Dreded EM2 mandatory update Tracy,=20 Can you possibly post a picture? Since I haven't detected any noise = in my system, I would hate to pull the box out and send it half-way = across the U.S. to fix a non-problem. If we could check our own units, = maybe you won't have such a large pile of UPS boxes piled up at your = doorstep. I'm just trying to save you some work. ;-) =20 =20 Mark S. =20 -------------------------------------------------------------------------= ----- From: Rotary motors in aircraft [mailto:flyrotary@lancaironline.net] = On Behalf Of Tracy Crook Sent: Friday, July 07, 2006 9:59 AM To: Rotary motors in aircraft Subject: [FlyRotary] Re: Dreded EM2 mandatory update =20 To All single part EM2 users:=20 =20 I just identified a problem which causes radio noise in some = installations. =20 There was a high frequency bypass capacitor left off the single piece = version of EM2. There should be a .33 uF 50vdc part (low series = inductance type, not electrolytic) from the +12v input line to ground = near the switching regulator chip. Don't know why I don't hear that = much radio noise on the bench and in some completed installations but = the noise on the +12 volt line is obvious.=20 =20 Sorry for the inconvenience but send the unit back and I'll fix it. = No charge of course. =20 Tracy Crook, RWS ------=_NextPart_000_01AE_01C6A50A.604B9560 Content-Type: text/html; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable

Appreciate the thought Mark, but when I say "left off" I mean = as in=20 never there. It got left off in the schematic transfer to the = board=20 maker. It isn't there on any of the single piece units. The = update=20 does not apply to the earlier two part units.

I could send you a picture of nothing at all though : )

Tracy Crook

----- Original Message -----

From: Mark R Steitle =

To: Rotary motors in = aircraft

Sent: Monday, July 10, 2006 = 2:24 PM

Subject: [FlyRotary] Re: Dreded = EM2=20 mandatory update

Tracy,=20

Can you = possibly post=20 a picture? Since I haven=92t detected any noise in my system, I = would hate=20 to pull the box out and send it half-way across the = U.S. to fix a=20 non-problem. If we could check our own units, maybe you won=92t = have such=20 a large pile of UPS boxes piled up at your doorstep. I=92m just = trying to=20 save you some work. ;-)

Mark=20 S.

From:=20 Rotary motors in aircraft = [mailto:flyrotary@lancaironline.net] On=20 Behalf Of Tracy Crook
Sent: Friday, July 07, 2006 = 9:59=20 AM
To: = Rotary motors in aircraft
Subject: [FlyRotary] Re: Dreded = EM2=20 mandatory update

To All single part EM2 = users:

I just identified a = problem=20 which causes radio noise in some=20 installations.

There was a high = frequency=20 bypass capacitor left off the single piece version of EM2. There = should=20 be a .33 uF 50vdc part (low series inductance type, not electrolytic) = from the=20 +12v input line to ground near the switching regulator = chip. Don't=20 know why I don't hear that much radio noise on the bench and in=20 some completed installations but the noise on the +12 volt line = is=20 obvious.

Sorry for the = inconvenience but=20 send the unit back and I'll fix it. No charge of=20 course.

Tracy = Crook, =20 = RWS

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