Mailing List flyrotary@lancaironline.net Message #28753
From: William <wschertz@ispwest.com>
Subject: Re: [FlyRotary] Re: External datalogging, and other stuff
Date: Mon, 26 Dec 2005 07:45:10 -0600
To: Rotary motors in aircraft <flyrotary@lancaironline.net>
Message
I don't know about the EFIS-lite version, but the Blue Mountain EFIS-1 does provide data logging.
Bill Schertz
KIS Cruiser # 4045
----- Original Message -----
Sent: Sunday, December 25, 2005 10:58 PM
Subject: [FlyRotary] Re: External datalogging, and other stuff

Perhaps this company will have something that you can use:
Ben 
 
Hi  Ben,
 
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.  
 
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 :-)
 
Cheers,
Rusty
  
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