X-Virus-Scanned: clean according to Sophos on Logan.com X-PolluStop-Diagnostic: (direct reply)\eX-PolluStop-Score: 0.00\eX-PolluStop: Scanned with Niversoft PolluStop 2.1 RC1, http://www.niversoft.com/pollustop Return-Path: <13brv3@bellsouth.net> Received: from imf24aec.mail.bellsouth.net ([205.152.59.72] verified) by logan.com (CommuniGate Pro SMTP 4.3c4) with ESMTP id 864805 for flyrotary@lancaironline.net; Mon, 11 Apr 2005 10:12:21 -0400 Received-SPF: pass receiver=logan.com; client-ip=205.152.59.72; envelope-from=13brv3@bellsouth.net Received: from rd ([65.6.194.9]) by imf24aec.mail.bellsouth.net (InterMail vM.5.01.06.11 201-253-122-130-111-20040605) with ESMTP id <20050411141128.OFHZ2032.imf24aec.mail.bellsouth.net@rd> for ; Mon, 11 Apr 2005 10:11:28 -0400 From: "Russell Duffy" <13brv3@bellsouth.net> To: "'Rotary motors in aircraft'" Subject: RE: [FlyRotary] Re: Cold start EC2 Date: Mon, 11 Apr 2005 09:09:41 -0500 Message-ID: <013d01c53ea0$1b1a3900$6101a8c0@rd> MIME-Version: 1.0 Content-Type: multipart/alternative; boundary="----=_NextPart_000_013E_01C53E76.32443100" X-Priority: 3 (Normal) X-MSMail-Priority: Normal X-Mailer: Microsoft Outlook, Build 10.0.6626 X-MimeOLE: Produced By Microsoft MimeOLE V6.00.2900.2527 Importance: Normal In-Reply-To: This is a multi-part message in MIME format. ------=_NextPart_000_013E_01C53E76.32443100 Content-Type: text/plain; charset="US-ASCII" Content-Transfer-Encoding: quoted-printable I'm guessing at a compatibility issue between my fairly old rev 0.9 EC2 board and the new chip / software. Tracy is going to ship me a = replacement board as soon as he gets back from Sun & Fun. John (saving Rusty a lot of frustration)=20 =20 Didn't Tracy have your whole EC-2? Seems it would have had it's incompatibility when he was testing it. Face it, you're cursed :-) =20 As for the autotune EM-2 chip, I may not be the best candidate for = testing either. As you recall, I'm using an FJO wideband O2 meter, and feeding = the "legacy 0-1V" output to the EM-2. Tracy was curious to know what the = actual AFR was when the EM-2 just goes off the bottom of the scale. Saturday, = I turned my mixture knob all the way down, and saw as low as 16.8 AFR, but = the EM-2 still showed 3 bars. I'm thinking the FJO is reformatting it's = 10-20 range over the 0-1V scale, rather than duplicating the old O2 effective range of 13-16 (just guessing at the range). I'll have to ask FJO = about this. If that is how it's working, it may or may not cause a problem = with Tracy's autotune feature. I'll ask him when I find out how the output = works from FJO. =20 Rusty =20 =20 =20 ------=_NextPart_000_013E_01C53E76.32443100 Content-Type: text/html; charset="US-ASCII" Content-Transfer-Encoding: quoted-printable Message
I'm guessing at a compatibility issue between = my fairly=20 old rev 0.9 EC2 board and the new chip / software. Tracy is going to = ship me a=20 replacement board as soon as he gets back from Sun &=20 Fun.
John (saving Rusty a lot = of=20 frustration) 
 
Didn't Tracy have your whole EC-2?  Seems = it would=20 have had it's incompatibility when he was testing it.  Face it, = you're=20 cursed :-)
 
As for the autotune EM-2 chip, I may not be the = best=20 candidate for testing either.  As you recall, I'm using an FJO = wideband O2 meter, and feeding the "legacy 0-1V" output to the = EM-2.  Tracy=20 was curious to know what the actual AFR was when the EM-2 just goes off = the=20 bottom of the scale.  Saturday, I turned my mixture knob = all the=20 way down, and saw as low as 16.8 AFR, but the EM-2 still showed 3=20 bars.  I'm thinking the FJO is reformatting it's 10-20 range over = the 0-1V=20 scale, rather than duplicating the old O2 effective range of 13-16 (just = guessing at the range).   I'll have to ask FJO about=20 this.  If that is how it's working, it may or may not cause a = problem=20 with Tracy's autotune feature.  I'll ask him when I find out how = the output=20 works from FJO.
 
Rusty
=
 
 
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