X-Virus-Scanned: clean according to Sophos on Logan.com Return-Path: <13brv3@bellsouth.net> Received: from imf16aec.mail.bellsouth.net ([205.152.59.64] verified) by logan.com (CommuniGate Pro SMTP 5.0.5) with ESMTP id 901478 for flyrotary@lancaironline.net; Sun, 25 Dec 2005 23:59:14 -0500 Received-SPF: pass receiver=logan.com; client-ip=205.152.59.64; envelope-from=13brv3@bellsouth.net Received: from ibm56aec.bellsouth.net ([65.6.194.9]) by imf16aec.mail.bellsouth.net with ESMTP id <20051226045821.HNKQ6446.imf16aec.mail.bellsouth.net@ibm56aec.bellsouth.net> for ; Sun, 25 Dec 2005 23:58:21 -0500 Received: from rd ([65.6.194.9]) by ibm56aec.bellsouth.net with ESMTP id <20051226045820.DPSK1137.ibm56aec.bellsouth.net@rd> for ; Sun, 25 Dec 2005 23:58:20 -0500 From: "Russell Duffy" <13brv3@bellsouth.net> To: "'Rotary motors in aircraft'" Subject: RE: [FlyRotary] Re: External datalogging, and other stuff Date: Sun, 25 Dec 2005 22:58:20 -0600 Message-ID: <000001c609d8$fe282eb0$6101a8c0@rd> MIME-Version: 1.0 Content-Type: multipart/alternative; boundary="----=_NextPart_000_0001_01C609A6.B38DBEB0" X-Priority: 3 (Normal) X-MSMail-Priority: Normal X-Mailer: Microsoft Outlook, Build 10.0.6626 Importance: Normal In-Reply-To: X-MimeOLE: Produced By Microsoft MimeOLE V6.00.2900.2527 This is a multi-part message in MIME format. ------=_NextPart_000_0001_01C609A6.B38DBEB0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: quoted-printable Perhaps this company will have something that you can use: http://www.pulseinstruments.com/acquisition/ Ben=20 =20 Hi Ben, =20 Best I can tell, these guys make units that are geared to testing in a = lab. I should have mentioned that I found a number of these types of units, = but I'm specifically looking for something that can mount in the panel full time. My goal is to have it recording all the time, so it won't miss anything. Once the initial flight testing is done, it will just be = there to help analyze anything abnormal. =20 =20 As an example, a friend of mine has an RV-8, and a JPI engine monitor = that logs everything. On a recent flight, his engine went rough, and lost = some power for about 30 seconds, and none of the usual things helped. Once = the problem went away, all was well for the rest of the flight. He = downloaded the logs after the flight, and found that the front two cylinders EGT = went down during the time the engine went rough. The only thing common to = those two cylinders is the Lightspeed ignition coil, and wiring. Sure enough, there was a bad connection on the coil. Datalogging is your friend :-) =20 Cheers, Rusty=20 =20 ------=_NextPart_000_0001_01C609A6.B38DBEB0 Content-Type: text/html; charset="us-ascii" Content-Transfer-Encoding: quoted-printable Message
Perhaps this = company will=20 have something that you can use:
http://www.pulseins= truments.com/acquisition/
Ben 
 
Hi =20 Ben,
 
Best I can tell,=20 these guys make units that are geared to testing in a lab.  I = should=20 have mentioned that I found a number of these types of = units, but=20 I'm specifically looking for something that can mount in the panel full=20 time.  My goal is to have it recording all the time, so it = won't miss=20 anything.  Once the initial flight testing is done, it will just be = there=20 to help analyze anything = abnormal.  
 
As an example, a=20 friend of mine has an RV-8, and a JPI engine monitor that logs=20 everything.  On a recent flight, his engine went rough, and lost = some power=20 for about 30 seconds, and none of the usual things = helped.  Once=20 the problem went away, all was well for the rest of the = flight. =20 He downloaded the logs after the flight, and found that the front two=20 cylinders EGT went down during the time the engine went = rough. =20 The only thing common to those two cylinders is the Lightspeed ignition = coil,=20 and wiring.  Sure enough, there was a bad connection on the=20 coil.  Datalogging is your friend :-)
 
Cheers,
Rusty=20
  
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