Return-Path: <13brv3@bellsouth.net> Received: from imf25aec.mail.bellsouth.net ([205.152.59.73] verified) by logan.com (CommuniGate Pro SMTP 4.1.8) with ESMTP id 3073190 for flyrotary@lancaironline.net; Wed, 10 Mar 2004 20:28:41 -0500 Received: from rad ([68.221.170.244]) by imf25aec.mail.bellsouth.net (InterMail vM.5.01.06.08 201-253-122-130-108-20031117) with ESMTP id <20040311012840.EWAO17649.imf25aec.mail.bellsouth.net@rad> for ; Wed, 10 Mar 2004 20:28:40 -0500 From: "Russell Duffy" <13brv3@bellsouth.net> To: "'Rotary motors in aircraft'" Subject: RE: [FlyRotary] Re: EMU in the wild Date: Wed, 10 Mar 2004 19:26:40 -0600 Message-ID: <00f701c40707$e7eb2790$6001a8c0@rad> MIME-Version: 1.0 Content-Type: multipart/alternative; boundary="----=_NextPart_000_00F8_01C406D5.9D50B790" 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_00F8_01C406D5.9D50B790 Content-Type: text/plain; charset="US-ASCII" Content-Transfer-Encoding: quoted-printable Rusty, My EM-2 is on its way. Can you shed some light any possible gotcha's. Mark S. =20 Hi Mark, =20 It's a little early for that question, because I'm still working on the sensor hook-up. Unfortunately, my most productive activity today was = lunch :-) =20 =20 Seriously, so far, everything has gone pretty well. I had to call Tracy today because the liquid temp 2 and 3 inputs didn't seem to work. He explained that you need to put a 200 ohm resistor in parallel with the = VDO sensor for each of those. He put the resistor on the board for water = temp, and oil temp, but figured that leaving off the resistor gives the user = more latitude to use odd sensor types on the extra temp inputs. I'll be = hitting Rat Shack tomorrow to see if he's making this up :-) =20 =20 Speaking of sensors, I would suggest that you get the exact sensors that = he recommends, unless you're a true glutton for science experiments. The = unit is programmable for virtually any sensor range, but you'll certainly = spend some time doing it. At the moment, I don't have the patience to test = all this to the Nth degree, so I'm ordering some new pressure sensors in the morning. It's not as wasteful as it might sound, because I have gauges = that match the sensors that I have. I'll just put the sensors with the = gauges, and use them on the Airbike, or ??? I have a calibrated thermocouple, = and will be double checking Tracy's calibrations on the temps. A quick = check today showed that they were within about 10 degrees, which is good = enough for now. =20 =20 I'll certainly post more when I get everything hooked up and learn how = to use it. =20 =20 Cheers, Rusty=20 ------=_NextPart_000_00F8_01C406D5.9D50B790 Content-Type: text/html; charset="US-ASCII" Content-Transfer-Encoding: quoted-printable Message

Rusty,
My EM-2 is on its way.  Can you shed = some light=20 any possible gotcha's.

Mark S.

 
Hi=20 Mark,
 
It's a = little early for=20 that question, because I'm still working on the sensor hook-up. =20 Unfortunately, my most productive activity today was lunch = :-) =20
 
Seriously, so far,=20 everything has gone pretty well.  I had to call Tracy today because = the=20 liquid temp 2 and 3 inputs didn't seem to work.  He explained that = you need=20 to put a 200 ohm resistor in parallel with the VDO sensor for each of=20 those.  He put the resistor on the board for water temp, and oil = temp, but=20 figured that leaving off the resistor gives the user more latitude to = use odd=20 sensor types on the extra temp inputs.  I'll be hitting Rat Shack = tomorrow=20 to see if he's making this up :-) 
 
Speaking = of sensors, I=20 would suggest that you get the exact sensors that he recommends, unless = you're a=20 true glutton for science experiments.  The unit is programmable for = virtually any sensor range, but you'll certainly spend some time doing = it. =20 At the moment, I don't have the patience to test all this to the Nth = degree, so=20 I'm ordering some new pressure sensors in the morning.  It's not as = wasteful as it might sound, because I have gauges that match the sensors = that I=20 have.  I'll just put the sensors with the gauges, and use them on = the=20 Airbike, or ???  I have a calibrated thermocouple, and will=20 be double checking Tracy's calibrations on the temps. =20 A quick check today showed that they were within about 10=20 degrees, which is good enough for = now.  
 
I'll = certainly post more=20 when I get everything hooked up and learn how to use=20 it.  
 
Cheers,
Rusty 
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