Return-Path: <13brv3@bellsouth.net> Received: from imf24aec.mail.bellsouth.net ([205.152.59.72] verified) by logan.com (CommuniGate Pro SMTP 4.2b1) with ESMTP id 3130915 for flyrotary@lancaironline.net; Sun, 28 Mar 2004 08:42:20 -0500 Received: from rad ([65.0.151.4]) by imf24aec.mail.bellsouth.net (InterMail vM.5.01.06.08 201-253-122-130-108-20031117) with ESMTP id <20040328134220.FNKX1729.imf24aec.mail.bellsouth.net@rad> for ; Sun, 28 Mar 2004 08:42:20 -0500 From: "Russell Duffy" <13brv3@bellsouth.net> To: "'Rotary motors in aircraft'" Subject: RE: [FlyRotary] Re: Rev-2 w&b & erratic EM-2 O2 readings Date: Sun, 28 Mar 2004 07:44:22 -0600 Message-ID: <007b01c414ca$c7525eb0$6001a8c0@rad> MIME-Version: 1.0 Content-Type: multipart/alternative; boundary="----=_NextPart_000_007C_01C41498.7CB7EEB0" X-Priority: 3 (Normal) X-MSMail-Priority: Normal X-Mailer: Microsoft Outlook, Build 10.0.4510 Importance: Normal In-Reply-To: X-MimeOLE: Produced By Microsoft MimeOLE V6.00.2800.1165 This is a multi-part message in MIME format. ------=_NextPart_000_007C_01C41498.7CB7EEB0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: quoted-printable My erratic mixture monitor was one of the stand alone mixture = monitors that Tracy sells. And I must point out that while it was somewhat = erratic it was still very useful and I feel that a possible contributing cause is = that I have it located 12" downstream of the turbo where the temps are = possibly too low for the O2 sensor to work properly.=20 =20 Thanks. As I mentioned, my old gauge did the same thing before, but = just worked fine the next day. I never knew why. I'm probably going to pull = the FJO wideband O2 unit from the RX-7 this morning, and temporarily hook it = up in the plane for tuning. If it works really well (and I know it will), = I'll probably install it permanently, but probably not until I burn most of = the 100LL that's in the tank. The 5 wire O2 sensors are about $170 each. = It has a much wider range than the typical O2 meters, so it will still show = a useful reading when there are no lights on the normal meter. =20 Unfortunately I've not yet run the engine with the EM2 to see how = the O2 sensor behaves. After I returned from tech school, I began playing = hockey in a beer league again and we are in the middle of our playoffs, so after = the beer & hockey I try to stay away from the workshop :-). =20 =20 As I recall, you were recently beaten by a bunch of girls. Did they out drink you as well :-)=20 =20 Cheers, Rusty (there's always curling) ------=_NextPart_000_007C_01C41498.7CB7EEB0 Content-Type: text/html; charset="us-ascii" Content-Transfer-Encoding: quoted-printable Message
    My erratic mixture monitor was one of the stand alone = mixture=20 monitors that Tracy sells. And I must point out that while it was = somewhat=20 erratic it was still very useful and I feel that a possible contributing = cause=20 is that I have it located 12" downstream of the turbo where the temps = are=20 possibly too low for the O2 sensor to work properly. 
 
Thanks.  As I=20 mentioned, my old gauge did the same thing before, but just worked fine = the next=20 day.  I never knew why.  I'm probably going to pull the FJO = wideband=20 O2 unit from the RX-7 this morning, and temporarily hook it up in the = plane for=20 tuning.  If it works really well (and I know it will), I'll = probably=20 install it permanently, but probably not until I burn most of the 100LL = that's=20 in the tank.  The 5 wire O2 sensors are about $170 each.  It = has a=20 much wider range than the typical O2 meters, so it will still show a = useful=20 reading when there are no lights on the normal=20 meter.
   
    Unfortunately I've not yet run the engine with the EM2 to = see how the=20 O2 sensor behaves. After I returned from tech school, I began playing = hockey in=20 a beer league again and we are in the middle of our playoffs, so after = the beer=20 & hockey I try to stay away from the workshop :-).  
 
As I recall, = you were=20 recently beaten by a bunch of girls.  Did they out drink you as = well=20 :-) 
 
Cheers,
Rusty (there's always=20 curling)
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