Return-Path: Received: from [65.54.241.216] (HELO hotmail.com) by logan.com (CommuniGate Pro SMTP 4.2) with ESMTP id 385383 for flyrotary@lancaironline.net; Mon, 30 Aug 2004 16:05:12 -0400 Received-SPF: none receiver=logan.com; client-ip=65.54.241.216; envelope-from=lors01@msn.com Received: from hotmail.com ([65.54.168.116]) by hotmail.com with Microsoft SMTPSVC(5.0.2195.6713); Mon, 30 Aug 2004 13:04:41 -0700 Received: from mail pickup service by hotmail.com with Microsoft SMTPSVC; Mon, 30 Aug 2004 13:04:41 -0700 Received: from 65.54.97.186 by bay3-dav12.bay3.hotmail.com with DAV; Mon, 30 Aug 2004 20:04:41 +0000 X-Originating-IP: [65.54.97.186] X-Originating-Email: [lors01@msn.com] X-Sender: lors01@msn.com From: "Tracy Crook" To: "Rotary motors in aircraft" References: Subject: Re: [FlyRotary] Re: EM2 - liquid emp 2 hookup Date: Mon, 30 Aug 2004 16:04:40 -0400 MIME-Version: 1.0 Content-Type: multipart/alternative; boundary="----=_NextPart_000_03AF_01C48EAB.0E77F1B0" X-Priority: 3 X-MSMail-Priority: Normal X-Mailer: MSN 9 X-MimeOLE: Produced By MSN MimeOLE V9.10.0006.2205 Seal-Send-Time: Mon, 30 Aug 2004 16:04:40 -0400 Message-ID: X-OriginalArrivalTime: 30 Aug 2004 20:04:41.0591 (UTC) FILETIME=[96190070:01C48ECC] Return-Path: lors01@msn.com This is a multi-part message in MIME format. ------=_NextPart_000_03AF_01C48EAB.0E77F1B0 Content-Type: text/plain; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable MessageI had hypothesized that Rusty had used the OAT bias supply on = P2-21 for the other sensor +5 (do not do this). The OAT sensor red = lead should go to one of the +5 volt pins and should be an OK source = for the other air temp sensor. This should not have changed the OAT = reading. Don't know why it did. Tracy ----- Original Message -----=20 From: Russell Duffy=20 To: Rotary motors in aircraft=20 Sent: Monday, August 30, 2004 2:06 PM Subject: [FlyRotary] Re: EM2 - liquid emp 2 hookup The diagram you posted is correct; but, just discussed with Tracy and = understood that you should NOT use the voltage source (red lead) from = the OAT sender. I am going to pick up the +5v from Aux air 1 - he said = that should be fine. Did he say why you shouldn't use the OAT 5V line? At the time, I'm = pretty sure he said it was OK. If there's any chance this causes the = OAT to be off, I'll be happy to change it, since it's relatively easy to = do. =20 I will be doing the repair on the redrive myself - report later. Great. Glad to hear you don't have to ship it back. BTW; further to the pulse filtering on the MAP, I realized that on the = dyno we had teed into the line between the port and the EC2 for the line = to the dyno MAP readout - which has an accumulator can in the line. = Which apparently explains we were able to get pretty good slow speed = running; once we got it leaned out enough. =20 More interesting data. I'm planning to try Mike's suggestion as soon = as I pick up a cheap filter. =20 Cheers, Rusty ------=_NextPart_000_03AF_01C48EAB.0E77F1B0 Content-Type: text/html; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable Message
I had hypothesized that Rusty had used the OAT bias supply on P2-21 = for the=20 other sensor +5  (do not do this).  The OAT sensor red = lead =20 should go to one of the +5 volt pins and should be an OK source for the = other=20 air temp sensor.  This should not have changed the OAT = reading.  Don't=20 know why it did.
 
Tracy
----- Original Message -----
From: Russell=20 Duffy
To: Rotary motors in = aircraft
Sent: Monday, August 30, 2004 = 2:06=20 PM
Subject: [FlyRotary] Re: EM2 - = liquid emp=20 2 hookup

The diagram you posted is correct; but, just = discussed with=20 Tracy and understood that you should NOT use the voltage source (red = lead)=20 from the OAT sender.  I am going to pick up the +5v from Aux air = 1 =96 he=20 said that should be fine.

Did he = say why you=20 shouldn't use the OAT 5V line?  At the time, I'm pretty sure he = said it=20 was OK.  If there's any chance this causes the OAT to be off, = I'll be=20 happy to change it, since it's relatively easy to do. =20
 
I will be doing the repair on the redrive = myself =96=20 report later.
 
Great.  Glad to=20 hear you don't have to ship it back.


BTW; further to the pulse filtering on the MAP, I = realized that=20 on the dyno we had teed into the line between the port and the EC2 for = the=20 line to the dyno MAP readout =96 which has an accumulator can in the = line. =20 Which apparently explains we were able to get pretty good slow speed = running;=20 once we got it leaned out enough. 
 
More = interesting data. =20 I'm planning to try Mike's suggestion as soon as I pick up a cheap=20 filter. 
 
Cheers,
Rusty
 
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