X-Virus-Scanned: clean according to Sophos on Logan.com Return-Path: Received: from securemail.ever-tek.com ([64.129.170.194] verified) by logan.com (CommuniGate Pro SMTP 5.3.9) with ESMTP id 4485291 for flyrotary@lancaironline.net; Tue, 28 Sep 2010 23:28:44 -0400 Received-SPF: none receiver=logan.com; client-ip=64.129.170.194; envelope-from=cbarber@texasattorney.net Received: from fcd-mail06.FCDATA.PRIVATE ([2002:404:40b::404:40b]) by FCD-MAIL06.FCDATA.PRIVATE ([::1]) with mapi; Tue, 28 Sep 2010 22:27:59 -0500 From: Chris Barber To: Rotary motors in aircraft Subject: RE: [FlyRotary] Re: Oil Pressure Loss Thread-Topic: [FlyRotary] Re: Oil Pressure Loss Thread-Index: AQHLX4Qh7iRvzfVg1EOy9sBEdJEPJZMoTRcG Date: Wed, 29 Sep 2010 03:26:02 +0000 Message-ID: <2D41F9BF3B5F9842B164AF93214F3D303269FD9B@FCD-MAIL06.FCDATA.PRIVATE> References: In-Reply-To: Accept-Language: en-US Content-Language: en-US X-MS-Has-Attach: X-MS-TNEF-Correlator: Content-Type: multipart/alternative; boundary="_000_2D41F9BF3B5F9842B164AF93214F3D303269FD9BFCDMAIL06FCDATA_" MIME-Version: 1.0 --_000_2D41F9BF3B5F9842B164AF93214F3D303269FD9BFCDMAIL06FCDATA_ Content-Type: text/plain; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable Oh, and maybe this is too obvious, but when I drop the pan, what should I b= e looking for. Yeah, large metal shards I would figure out, but if it is n= ot that obvious, where do I need to focus. The pressure gage?? The pump?? = Something else?? Chris ________________________________ From: Rotary motors in aircraft [flyrotary@lancaironline.net] on behalf of = Chris Barber [cbarber@texasattorney.net] Sent: Tuesday, September 28, 2010 10:11 PM To: Rotary motors in aircraft Subject: [FlyRotary] Re: Oil Pressure Loss Geeesh...the mouse froze again. To continue, I got a moderate, steady stream of oil coming from the remote = filter mount. So, I had some flow. I then went to the end of the hoses wh= ere it re-enters the engine after flowing through the two oil coolers. Wel= l, here there was no joy. No oil coming out. I did refill the filter befo= re I reinstalled it and cranked the engine for quite a while to no avail. = Next, I unhooked a few of the other hose connections past the filter and st= ill no flow when cranking. Finally, I checked all the way back to the filt= er outlet and no oil would come out. I changed to a different filter and s= till no flow from out of the filter. So, I have some flow....not a lot int= o the filter buy none out. I HATE the idea of dropping the pan (will be a real pain) to check the oil = pump and pressure gage, but I am not quite sure as what else to check at th= is point. When I return tomorrow, I will remove the plugs to take some of = the stress off the starter and see if I get flow out of the filter. I am = also concerned now that I have been cranking the system long enough that so= me important parts are not running with a lot of needed oil, such as the PS= RU etc. If I would have just happened to look at the OP gauge, I would have never k= nown there was a problem as the engine "sounded" strong and smooth and cont= inued to do so when I started it to test my pressure after discovering the = problems. Hopefully this will be a bit more directly answered by the engine guru type= s on the list since it is not specific to Tracy's electronics. Please, what else should I check, I am about at the end of my testing skill= set. Also, what say ye as to what the problem "sounds" like???? Thanks, as always. Chris Barber Houston ________________________________ From: Rotary motors in aircraft [flyrotary@lancaironline.net] on behalf of = Chris Barber [cbarber@texasattorney.net] Sent: Tuesday, September 28, 2010 9:59 PM To: Rotary motors in aircraft Subject: [FlyRotary] Re: Oil Pressure Loss Aggg. I need a new computer. The mouse froze and the message sent prematur= ly. Anyway, I rechecked the wires to the EM2 and at the sensor again and all ch= ecked fine. Again, I started the engine, but was shut down as soon as I st= ill saw no pressure. Next, I hooked up two separate mechanical pressure gages in three different= locations in the oil system, started the engine three times very briefly. = Each time the engin started and seemed to run fine for the VERY short time= I allowed it to run. No pressure reading on two of the test points, and a= bout 6psi on the reading from the turbor engine outlet to the turbo. Ok, I unscrewed the oil filter, which is located remotely just as the oil c= omes out of the front (by the pully's oposite the prop) of the engine. I h= ooked up a remote start switch, climbed under the engine and cranked the en= gie.....I got a moderate, steady flow of oil ________________________________ From: Rotary motors in aircraft [flyrotary@lancaironline.net] on behalf of = Chris Barber [cbarber@texasattorney.net] Sent: Tuesday, September 28, 2010 9:42 PM To: Rotary motors in aircraft Subject: [FlyRotary] Oil Pressure Loss In the never ending tradition of two step forward and three steps back, I w= as 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, focusin= g 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 instan= tly shut down the engine. The engine appeared to be running fine before I shut it down. I checked th= e 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 en= gine again and it started fine and seem to run fine, however, the OP did no= t kick in so I shut it down again --_000_2D41F9BF3B5F9842B164AF93214F3D303269FD9BFCDMAIL06FCDATA_ Content-Type: text/html; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable
Oh, and maybe this is too obvious, but when I drop the pan, what shoul= d I be looking for.  Yeah, large metal shards I would figure out, but = if it is not that obvious, where do I need to focus.  The pressure gag= e?? The pump??  Something else??
 
Chris
From: Rotary motors in aircraft [flyrotary= @lancaironline.net] on behalf of Chris Barber [cbarber@texasattorney.net] Sent: Tuesday, September 28, 2010 10:11 PM
To: Rotary motors in aircraft
Subject: [FlyRotary] Re: Oil Pressure Loss

Geeesh...the mouse froze again.
 
To continue, I got a moderate, steady stream of oil coming from the re= mote filter mount.  So, I had some flow.  I then went to the end = of the hoses where it re-enters the engine after flowing through the two oi= l coolers.  Well, here there was no joy.  No oil coming out.  I did refill the filter before I reinstalled it a= nd cranked the engine for quite a while to no avail.  Next, I unhooked= a few of the other hose connections past the filter and still no flow when= cranking.  Finally, I checked all the way back to the filter outlet and no oil would come out.  I changed to a = different filter and still no flow from out of the filter.  So, I have= some flow....not a lot into the filter buy none out.
 
I HATE the idea of dropping the pan (will be a real pain) to check the= oil pump and pressure gage, but I am not quite sure as what else to check = at this point.  When I return tomorrow, I will remove the plugs to tak= e some of the stress off the starter and see if I get flow out of the filter.   I am also concerned n= ow that I have been cranking the system long enough that some important par= ts are not running with a lot of needed oil, such as the P= SRU etc.
 
If I would have just happened to look at the OP gauge, I would have ne= ver known there was a problem as the engine "sounded" strong and = smooth and continued to do so when I started it to test my pressure after d= iscovering the problems.
 
Hopefully this will be a bit more directly answered by the= engine guru types on the list since it is not specific to Tracy's electron= ics.
 
Please, what else should I check, I am about at the end of my testing = skill set.  Also, what say ye as to what the problem "sounds"= ; like????
 
Thanks, as always.
 
Chris Barber
Houston
From: Rotary motors in aircraft [flyrotary= @lancaironline.net] on behalf of Chris Barber [cbarber@texasattorney.net] Sent: Tuesday, September 28, 2010 9:59 PM
To: Rotary motors in aircraft
Subject: [FlyRotary] Re: Oil Pressure Loss

Aggg. I need a new computer.  The mouse froze and the mess= age sent prematurly.
 
Anyway, I rechecked the wires to the EM2 and at the sensor= again and all checked fine.  Again, I started the engine, but was shu= t down as soon as I still saw no pressure.
 
Next, I hooked up two separate mechanical pressure gages in three diff= erent locations in the oil system, started the engine three times very brie= fly.  Each time the engin started and seemed to run fine f= or the VERY short time I allowed it to run.  No pressure reading on two of the test points, and about 6psi = on the reading from the turbor engine outlet to the turbo.
 
Ok, I unscrewed the oil filter, which is located remotely just as the = oil comes out of the front (by the pully's oposite = the prop) of the engine.  I hooked up a remote start switch, climbed u= nder the engine and cranked the engie.....I got a moderate, steady flow of oil
From: Rotary motors in aircraft [flyrotary= @lancaironline.net] on behalf of Chris Barber [cbarber@texasattorney.net] Sent: Tuesday, September 28, 2010 9:42 PM
To: Rotary motors in aircraft
Subject: [FlyRotary] Oil Pressure Loss

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&nbs= p;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 a= nd 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 do= wn again
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