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 5.3.11) with ESMTP id 4667821 for flyrotary@lancaironline.net; Fri, 07 Jan 2011 21:33:45 -0500 Received-SPF: none receiver=logan.com; client-ip=64.129.170.194; envelope-from=cbarber@texasattorney.net Received: from FCD-MAIL06.FCDATA.PRIVATE ([fe80::697f:d6aa:b87:78d8]) by FCD-MAIL05.FCDATA.PRIVATE ([fe80::809d:a06e:5913:452e%15]) with mapi id 14.01.0270.001; Fri, 7 Jan 2011 20:29:39 -0600 From: Chris Barber To: Rotary motors in aircraft Subject: Apex seal update Thread-Topic: Apex seal update Thread-Index: Acuu1f9lzlyy5wKoQ2+rColMoGkuJQ== Date: Sat, 8 Jan 2011 02:32:48 +0000 Message-ID: <2D41F9BF3B5F9842B164AF93214F3D3034D9DF41@FCD-MAIL06.FCDATA.PRIVATE> Accept-Language: en-US Content-Language: en-US X-MS-Has-Attach: X-MS-TNEF-Correlator: x-originating-ip: [99.98.105.202] Content-Type: multipart/alternative; boundary="_000_2D41F9BF3B5F9842B164AF93214F3D3034D9DF41FCDMAIL06FCDATA_" MIME-Version: 1.0 --_000_2D41F9BF3B5F9842B164AF93214F3D3034D9DF41FCDMAIL06FCDATA_ Content-Type: text/plain; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable Yesterday I purchased some product to soak the apex seals in my rear chambe= r. I let it soak 24 hours but dousing the innards with the stuff (seafoam,= a bit of MM oil and a bit of seafoam penatrant). I came back today and poked a bit into the sparkplug hole before I manned u= p and pulled off the exhaust/turbo manifold to get a better look. I have one apex seal in the rear housing that seems "normal". It moves fre= ely in the slot in a springy manner. However, the other two do move in the= slot but do NOT spring at all. As a matter of fact, just the moisture fro= m the product I put in is enough to keep the seals from coming back out of = the slot freely when I gently probe them with a screwdriver. I believe it was Lynn who mentioned he had never seen broken apex seal spri= ngs, but for the life of me I can not think of what else it could be (unles= s, as I read a little about online) the springs flattened out. Anyway, please, please, please provide some insight as to what else I shoul= d check before I pull the rear iron plate and replace/check the springs. Check out this Utube video I took tonight from my I-phone. It shows the se= al moving, but has no spring...it is only moving by gravity http://www.youtube.com/watch?v=3DtPFimqo7Fls Thanks Chris --_000_2D41F9BF3B5F9842B164AF93214F3D3034D9DF41FCDMAIL06FCDATA_ Content-Type: text/html; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable

Yesterday I purchased some product to soak the apex seals in my rear cha= mber. I let it soak 24 hours but dousing the innards with= the stuff (seafoam , a bit of MM oil and a bit of seafoa= m penatrant ).

I came back today and poked a bit into the sparkplug hole before I manne= d up and pulled off the exhaust/turbo manifold to get a better look.

I have one apex seal in the rear housing that seems "normal".&= nbsp; It moves freely in the slot in a springy manner. However, = the other two do move in the slot but do NOT spring at all. As a matt= er of fact, just the moisture from the product I put in is enough to keep the seals from coming back out of the slot freely when I gently pr= obe them with a screwdriver.

I believe it was Lynn who mentioned he had never seen broken= apex seal springs, but for the life of me I can not think of what else it = could be (unless, as I read a little about online) the springs flattened ou= t.

Anyway, please, please, please provide some insight as to what else I sh= ould check before I pull the rear iron plate and replace/check the springs.=

Check out this Utube video I took tonight from my I-p= hone. It shows the seal moving, but has no spring...it is only= moving by gravity

http://www.yout= ube.com/watch?v=3DtPFimqo7Fls

Thanks

Chris

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