Return-Path: Received: from [216.52.245.18] (HELO ispwestemail2.mdeinc.com) by logan.com (CommuniGate Pro SMTP 4.3c3) with ESMTP id 820050 for flyrotary@lancaironline.net; Fri, 25 Mar 2005 09:34:46 -0500 Received-SPF: none receiver=logan.com; client-ip=216.52.245.18; envelope-from=wschertz@ispwest.com Received: from 7n7z201 (unverified [67.136.145.238]) by ispwestemail2.mdeinc.com (Vircom SMTPRS 4.0.340.3) with SMTP id for ; Fri, 25 Mar 2005 06:33:57 -0800 Message-ID: <026e01c53147$a8af7fc0$db918843@7n7z201> From: "William" To: "Rotary motors in aircraft" References: Subject: Re: [FlyRotary] a better running rotary Date: Thu, 24 Mar 2005 22:40:01 -0600 MIME-Version: 1.0 Content-Type: multipart/alternative; boundary="----=_NextPart_000_0226_01C530C2.6A0E2DF0" X-Priority: 3 X-MSMail-Priority: Normal X-Mailer: Microsoft Outlook Express 6.00.2900.2180 X-MimeOLE: Produced By Microsoft MimeOLE V6.00.2900.2180 This is a multi-part message in MIME format. ------=_NextPart_000_0226_01C530C2.6A0E2DF0 Content-Type: text/plain; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable Thanks for sharing this, helps prevent the rest of us from repeating = it.=20 Bill Schertz KIS Cruiser # 4045 ----- Original Message -----=20 From: sqpilot@bellsouth.net=20 To: Rotary motors in aircraft=20 Sent: Friday, March 25, 2005 11:57 AM Subject: [FlyRotary] a better running rotary I went out to the airport today and ran the engine up, did a quick = full power runup and then went to the runway and took off and landed = (back on the same runway). Never ran better...matter of fact never ran = this well. What, might we ask made the dramatic improvement? I call it = reverse stupidity. A couple of days ago, I went to a page on my = MicroTech ECU handheld programmer that I had not previously viewed. It = showed rpm and water temp. My engine monitor showed a water temp of 160 = degrees F. The ECU monitor showed a water temp of -24 degrees C. Not = even close. To make a long story short, I had wired two monitors to one = water temp sending unit. After running the engine, the ECU water temp = climbed from -24C all the way up to -12C. I disconnected the wire that = went to the engine monitor, and the ECU water temp immediately went up = to 60C. Since the ECU varies fuel and timing based on water = temperatures, it was unable to do it's job correctly with inaccurate = water temp inputs. The cold start enrichment also was not functioning, = as the engine map's were supposed to start reducing mixture levels after = reaching 50 degrees C. It never saw those numbers, so it could not = function properly. Now, with the proper water temp inputs, it runs = GREAT !!! Cold start, warm up, idle through WOT is smooth as silk. To = think of all the time I wasted trying to program injector open times, = etc on an ECU that was receiving improper water temp information. I should have known better than to connect two monitors to one = sending unit, but I did it anyway. Just hoping others can learn from my = mistake instead of making their own. Just when I had a custom made mounting plate made for the HA-6 = carburetor I just purchased, the thing has to go and run like a swiss = watch. Murphy wins again. Take care. Paul Conner ------=_NextPart_000_0226_01C530C2.6A0E2DF0 Content-Type: text/html; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable
Thanks for sharing this,  helps = prevent the=20 rest of us from repeating it.
 
Bill Schertz
KIS Cruiser # 4045
----- Original Message -----
From:=20 sqpilot@bellsouth.net
Sent: Friday, March 25, 2005 = 11:57=20 AM
Subject: [FlyRotary] a better = running=20 rotary

I went out to the airport today and = ran the=20 engine up, did a quick full power runup and then went to the runway = and took=20 off and landed (back on the same runway).  Never ran = better...matter of=20 fact never ran this well.  What, might we ask made the dramatic=20 improvement?  I call it reverse stupidity.  A couple of days = ago, I=20 went to a page on my MicroTech ECU handheld programmer that I had not=20 previously viewed. It showed rpm and water temp. My engine monitor = showed a=20 water temp of 160 degrees F.  The ECU monitor showed a water = temp of=20 -24 degrees C. Not even close. To make a long story short, I had wired = two=20 monitors to one water temp sending unit. After running the engine, the = ECU=20 water temp climbed from -24C all the way up to -12C.  I = disconnected the=20 wire that went to the engine monitor, and the ECU water temp = immediately went=20 up to 60C.  Since the ECU varies fuel and timing based on water=20 temperatures, it was unable to do it's job correctly with = inaccurate=20 water temp inputs.  The cold start enrichment also was not = functioning,=20 as the engine map's were supposed to start reducing mixture levels = after=20 reaching 50 degrees C.  It never saw those numbers, so it could = not=20 function properly.  Now, with the proper water temp inputs, it = runs GREAT=20 !!!  Cold start, warm up, idle through WOT is smooth as = silk.  To=20 think of all the time I wasted trying to program injector open times, = etc on=20 an ECU that was receiving improper water temp = information.
     I should = have known=20 better than to connect two monitors to one sending unit, but I did it = anyway.=20 Just hoping others can learn from my mistake instead of making their=20 own.
      Just = when I had a=20 custom made mounting plate made for the HA-6 carburetor I just = purchased, the=20 thing has to go and run like a swiss watch.  Murphy wins = again. =20 Take care.  Paul Conner
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