X-Virus-Scanned: clean according to Sophos on Logan.com Return-Path: Received: from [64.129.170.194] (HELO VIRCOM1.FCDATA.PRIVATE) by logan.com (CommuniGate Pro SMTP 6.0.5) with ESMTP id 6266054 for flyrotary@lancaironline.net; Sat, 11 May 2013 19:26:54 -0400 Received-SPF: none receiver=logan.com; client-ip=64.129.170.194; envelope-from=cbarber@texasattorney.net Received: from FCD-MAIL05.FCDATA.PRIVATE (unverified [172.16.5.24]) by VIRCOM1.FCDATA.PRIVATE (Vircom SMTPRS 5.13.1309.15521) with ESMTP id for ; Sat, 11 May 2013 18:25:48 -0500 X-Modus-BlackList: 172.16.5.24=OK;cbarber@texasattorney.net=OK X-Modus-RBL: 172.16.5.24=Excluded X-Modus-Trusted: 172.16.5.24=NO X-Modus-Audit: FALSE;0;0;0 Received: from FCD-MAIL06.FCDATA.PRIVATE ([fe80::697f:d6aa:b87:78d8]) by FCD-MAIL05.FCDATA.PRIVATE ([fe80::809d:a06e:5913:452e%13]) with mapi id 14.03.0123.003; Sat, 11 May 2013 18:25:03 -0500 From: Chris Barber To: Rotary motors in aircraft Subject: damn front o-ring again revisited again again again......sigh Thread-Topic: damn front o-ring again revisited again again again......sigh Thread-Index: AQHOTp6+XsPTOOLEnUiUc1uNHwaJow== Date: Sat, 11 May 2013 23:27:24 +0000 Message-ID: <2D41F9BF3B5F9842B164AF93214F3D30010C9E59AE@FCD-MAIL06.FCDATA.PRIVATE> Accept-Language: en-US Content-Language: en-US X-MS-Has-Attach: X-MS-TNEF-Correlator: x-originating-ip: [69.148.239.250] Content-Type: multipart/alternative; boundary="_000_2D41F9BF3B5F9842B164AF93214F3D30010C9E59AEFCDMAIL06FCDA_" MIME-Version: 1.0 --_000_2D41F9BF3B5F9842B164AF93214F3D30010C9E59AEFCDMAIL06FCDA_ Content-Type: text/plain; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable Todd Bartrim....you still here? To add insult to injury, after loosing my engine over Pearland Regional Air= port (LVJ) a few weeks ago, which we seem to be able to attribute to some g= unk found in the Mistral fuel rail clogging the small return orifice, I am = also having low oil pressure AGAIN. I have yet to pull the front cover, ho= wever, I am leaping to the conclusion that the front cover o-ring is causin= g the problem. I have tried to address this issue several times now. I ha= ve installed the extra support ring provided by Maztatrix. I use no gasket= and still have a problem. Similar to you, I installed a small tube in the passage last time I messed = with this to hopefully prevent the oil ring blowing out....if I understand = correctly due to cold start pressure. However, unlike you, mine was just p= ressed in aluminum tube modified to fit with holes drilled in the tube to s= till allow flow if the tube dislodged. How is your modification working? What thoughts do you, or others, have? I think I know the other things that could cause low pressure and do not th= ink they are the issue (such as the pump retaining key slipping out, pressu= re regulator falling out as it safety tied etc). It is a new oil pump repl= aced the last time this problem happened. I hopefully will get out to the hangar I rented at LVJ tomorrow and remove = the cover to know more but am curious about your success or lack of. Thanks Chris Barber Houston Ellington Field (EFD) --_000_2D41F9BF3B5F9842B164AF93214F3D30010C9E59AEFCDMAIL06FCDA_ Content-Type: text/html; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable

Todd Bartrim ....you still here?

To add insult to injury, after loosing my engine over Pearland Regional = Airport (LVJ ) a few weeks ago, which we = seem to be able to attribute to some gunk found in the Mistral fuel rail cl= ogging the small return orifice, I am also having low oil pressure AGAIN. I have yet to pull the fron= t cover, however, I am leaping to the conclusion that the front cover = o-ring is causing the problem. I have tried to address this issue sev= eral times now. I have installed the extra support ring provided by Maztatrix .&nbs= p; I use no gasket and still have a problem.

Similar to you, I installed a small tube in the passage last= time I messed with this to hopefully prevent the oil ring blowing out....i= f I understand correctly due to cold start pressure= . However, unlike you, mine was just pressed in aluminum tube modified to fit with holes drilled in the tube to still allo= w flow if the tube dislodged.

How is your modification working? What thoughts do you, or others,= have?

I think I know the other things that could cause low pressure and do not= think they are the issue (such as the pump retaining key slipping out, pre= ssure regulator falling out as it safety tied etc). It is a new oil p= ump replaced the last time this problem happened.

I hopefully will get out to the hangar = I rented at LVJ tomorrow and remove= the cover to know more but am curious about your success or lack of.

Thanks

Chris Barber

Houston

Ellington Field (EFD )

--_000_2D41F9BF3B5F9842B164AF93214F3D30010C9E59AEFCDMAIL06FCDA_--