Return-Path: Received: from [24.25.9.102] (HELO ms-smtp-03-eri0.southeast.rr.com) by logan.com (CommuniGate Pro SMTP 4.3c3) with ESMTP id 819607 for flyrotary@lancaironline.net; Thu, 24 Mar 2005 21:15:51 -0500 Received-SPF: pass receiver=logan.com; client-ip=24.25.9.102; envelope-from=eanderson@carolina.rr.com Received: from edward2 (cpe-024-074-185-127.carolina.rr.com [24.74.185.127]) by ms-smtp-03-eri0.southeast.rr.com (8.12.10/8.12.7) with SMTP id j2P2F2Y5002811 for ; Thu, 24 Mar 2005 21:15:04 -0500 (EST) Message-ID: <000a01c530e0$794e9d90$2402a8c0@edward2> From: "Ed Anderson" To: "Rotary motors in aircraft" References: Subject: Re: [FlyRotary] a better running rotary Date: Thu, 24 Mar 2005 21:15:09 -0500 MIME-Version: 1.0 Content-Type: multipart/alternative; boundary="----=_NextPart_000_0007_01C530B6.8F155C10" X-Priority: 3 X-MSMail-Priority: Normal X-Mailer: Microsoft Outlook Express 6.00.2800.1106 X-MimeOLE: Produced By Microsoft MimeOLE V6.00.2800.1106 X-Virus-Scanned: Symantec AntiVirus Scan Engine This is a multi-part message in MIME format. ------=_NextPart_000_0007_01C530B6.8F155C10 Content-Type: text/plain; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable Hey, Paul Great to hear the good news. That is the one thing that folks on this = list made it such a great list to be on. We can share our = mistakes/lessons learned without fear of ridicule (well, maybe some good = natured ridicule {:>)). I have posted things that were a bit = embarrassing (and/or stupid if you prefer) such as my 12 miles engine = out glide - with a full 18 gallon take just the turn of a handle away. = Why? because I knew with absoluteness that the other than still had 3 = gallons in it. It did, but the fuel feed had become disconnected and the = engine could not reach the fuel. So, you hooking up two connections to = one sensor pales in comparison in my opinion. Does this mean you are sticking with EFI (in spite of a custom mounting = plate?). I hope you do because I think in the long run you will really = come to "love" EFI. Keep flying Ed A ----- Original Message -----=20 From: sqpilot@bellsouth.net=20 To: Rotary motors in aircraft=20 Sent: Friday, March 25, 2005 12:57 PM 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_0007_01C530B6.8F155C10 Content-Type: text/html; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable
Hey, Paul
 
Great to hear the good news.  That = is the one=20 thing that folks on this list made it such a great list to be on.  = We can=20 share our mistakes/lessons learned without fear of ridicule (well, = maybe=20 some good natured ridicule {:>)).  I have posted things that = were a bit=20 embarrassing (and/or stupid if you prefer) such as my 12 miles engine = out glide=20 - with a full 18 gallon take just the turn of a handle away.  Why? = because=20 I knew with absoluteness that the other than still had 3 gallons in it. = It did,=20 but the fuel feed had become disconnected and the engine could not reach = the=20 fuel.  So, you hooking up two connections to one sensor pales in = comparison=20 in my opinion.
 
Does this mean you are sticking with = EFI (in spite=20 of a custom mounting plate?).  I hope you do because I think in the = long=20 run you will really come to "love" EFI.
 
Keep flying
 
Ed A
----- Original Message -----
From:=20 sqpilot@bellsouth.net
Sent: Friday, March 25, 2005 = 12:57=20 PM
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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