Return-Path: Received: from [65.54.168.117] (HELO hotmail.com) by logan.com (CommuniGate Pro SMTP 4.2.5) with ESMTP id 544436 for flyrotary@lancaironline.net; Wed, 24 Nov 2004 08:18:55 -0500 Received-SPF: pass receiver=logan.com; client-ip=65.54.168.117; envelope-from=lors01@msn.com Received: from mail pickup service by hotmail.com with Microsoft SMTPSVC; Wed, 24 Nov 2004 05:17:00 -0800 Message-ID: Received: from 65.54.98.20 by BAY3-DAV13.phx.gbl with DAV; Wed, 24 Nov 2004 13:16:18 +0000 X-Originating-IP: [65.54.98.20] X-Originating-Email: [lors01@msn.com] X-Sender: lors01@msn.com From: "Tracy Crook" To: "Rotary motors in aircraft" References: Subject: Re: [FlyRotary] Re: Fuel Pressure Sendor Date: Wed, 24 Nov 2004 08:13:37 -0500 MIME-Version: 1.0 Content-Type: multipart/alternative; boundary="----=_NextPart_000_008F_01C4D1FD.7FE37280" X-Priority: 3 X-MSMail-Priority: Normal X-Mailer: MSN 9 X-MimeOLE: Produced By MSN MimeOLE V9.10.0009.2900 Seal-Send-Time: Wed, 24 Nov 2004 08:13:37 -0500 X-OriginalArrivalTime: 24 Nov 2004 13:17:00.0989 (UTC) FILETIME=[E1F7D6D0:01C4D227] This is a multi-part message in MIME format. ------=_NextPart_000_008F_01C4D1FD.7FE37280 Content-Type: text/plain; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable The 0 - 180 ohm is correct one. The EM2 can read rpm in two different = ways. The injector cycle time is the most accurate and that is what it = comes set up for. Tracy ----- Original Message -----=20 From: Joe Hull=20 To: Rotary motors in aircraft=20 Sent: Tuesday, November 23, 2004 4:14 PM Subject: [FlyRotary] Re: Fuel Pressure Sendor OK - they have two: 10-180ohms and 240-33ohms. Which? I'm assuming = that the 240-33 ohm is 0 psi at 240 ohms and 100 psi at 33. Can I = calibrate the EM-2 to understand backwards increments (i.e zero offset = 240 and increments of whatever 1024-207 is times -1)? Oh BTW - how does the EM-2 get RPM? The Tach Sense input is for = "Lycoming Only - from Mag Lead". Is it getting RPM from the EFI primary = injector duty cycle? Tracy? Joe Hull Bellevue (Seattle), Washington Cozy MkIV #991 (working on Engine & Electrical & Finishing) = http://www.maddyhome.com/canardpages/pages/JoeHull/index.html Tracy recommends VDO 0-100 psi for fuel and oil. I had a 0-80 VDO on = hand, and was able to calibrate that to the EM-2; no problem. Al ------=_NextPart_000_008F_01C4D1FD.7FE37280 Content-Type: text/html; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable
The 0 - 180 ohm is correct one.  The EM2 can read rpm in two = different=20 ways.  The injector cycle time is the most accurate and that is = what it=20 comes set up for.
 
Tracy
----- Original Message -----
From: Joe=20 Hull
To: Rotary motors in = aircraft
Sent: Tuesday, November 23, = 2004 4:14=20 PM
Subject: [FlyRotary] Re: Fuel = Pressure=20 Sendor

OK =96 they = have two:=20 10-180ohms and 240-33ohms. Which?  I=92m assuming that the 240-33 = ohm is 0=20 psi at 240 ohms and 100 psi at 33. Can I calibrate the EM-2 to = understand=20 backwards increments (i.e zero offset 240 and increments of whatever = 1024-207=20 is times -1)?

 

Oh BTW =96 = how does the=20 EM-2 get RPM?  The Tach Sense input is for =93Lycoming Only =96 = from Mag=20 Lead=94.  Is it getting RPM from the EFI primary injector duty = cycle?=20 Tracy?

 

Joe=20 Hull

Bellevue (Seattle), = Washington

Cozy MkIV = #991=20 (working on Engine & Electrical & Finishing)

http://www.maddyhome.com/canardpages/pages/JoeHull/index.html

 

Tracy = recommends VDO=20 0-100 psi for fuel and oil.  I had a 0-80 VDO on hand, and was = able to=20 calibrate that to the EM-2; no problem.

 

Al

 

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