Mailing List flyrotary@lancaironline.net Message #52281
From: Dave <david.staten@gmail.com>
Subject: Re: [FlyRotary] Oil Pressure Loss
Date: Tue, 28 Sep 2010 21:50:09 -0500
To: Rotary motors in aircraft <flyrotary@lancaironline.net>
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On 9/28/2010 9:42 PM, Chris Barber wrote:
In the never ending tradition of two step forward and three steps back, I was working on my RPM drop out at 6000 rmp (messed with seveal resistors to no avail).  As I was sitting on the ramp at idle for a few minutes, focusing on the RPM's I glanced over at the Oil Pressure and noted it was flashing as an alert and was showing almost NO oil pressure (4 or 5 psi).  I instantly shut down the engine. 
 
The engine appeared to be running fine before I shut it down.  I checked the wire to the back of the engine monitor and all was fine.  I also checked the continutiy of the wire to the sensor and it was good.  I started the engine again and it started fine and seem to run fine, however, the OP did not kick in so I shut it down again
Do you have a fitting and a steam gauge that you can put inline on the oil line to validate that reading? You could even substitute it for the oil temp sensor temporarily.. One way to find out if its an electrical or true plumbing gremlin. Given the issues you've been having, my vote is electrical (sensor fault, wiring fault).
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