X-Virus-Scanned: clean according to Sophos on Logan.com X-PolluStop: No license found, only first 5 messages were scanned Return-Path: Received: from imo-m27.mx.aol.com ([64.12.137.8] verified) by logan.com (CommuniGate Pro SMTP 5.1c.1) with ESMTP id 1211926 for flyrotary@lancaironline.net; Thu, 29 Jun 2006 09:01:57 -0400 Received-SPF: pass receiver=logan.com; client-ip=64.12.137.8; envelope-from=Lehanover@aol.com Received: from Lehanover@aol.com by imo-m27.mx.aol.com (mail_out_v38_r7.5.) id q.3f1.4ea1a8a (29673) for ; Thu, 29 Jun 2006 09:01:05 -0400 (EDT) From: Lehanover@aol.com Message-ID: <3f1.4ea1a8a.31d52911@aol.com> Date: Thu, 29 Jun 2006 09:01:05 EDT Subject: Re: [FlyRotary] Re: damage report To: flyrotary@lancaironline.net MIME-Version: 1.0 Content-Type: multipart/alternative; boundary="-----------------------------1151586065" X-Mailer: 9.0 Security Edition for Windows sub 5319 X-Spam-Flag: NO -------------------------------1151586065 Content-Type: text/plain; charset="US-ASCII" Content-Transfer-Encoding: 7bit In a message dated 6/29/2006 7:28:11 A.M. Eastern Daylight Time, eanderson@carolina.rr.com writes: Lynn, it is likely that this seal was running broken for the last several hours, as the idle has been rough that long. It was just getting worse. I will double check the CAS setting, but it always checks right where Tracy's manual says it should be. The engine can run with damaged parts until the compression gets to low for fuel vapor to form from heat of compression. Could be a few more seconds, or months. There is a last trip syndrome, where on the last trip the coolant heat is helping the heat of compression keep the engine running. Once the engine cools, it will never start again in any normal manor. Spinning it with 24 volts or heating the intake manifold may work, but otherwise the engine is done. In my opinion, the three piece seals don't even look like they would work. The effective height of the top piece is too short and is nowhere as stable in the groove as a 2 piece (7MM tall) seal will be. If Tracy has a 2 piece 2MM seal that would make sense. Lynn E. Hanover -------------------------------1151586065 Content-Type: text/html; charset="US-ASCII" Content-Transfer-Encoding: quoted-printable

In a message dated 6/29/2006 7:28:11 A.M. Eastern Daylight Time,=20 eanderson@carolina.rr.com writes:

<= FONT=20 style=3D"BACKGROUND-COLOR: transparent" face=3DArial color=3D#000000 size= =3D2>

Lynn, it is likely that this seal was running broken for the last sev= eral=20 hours, as the idle has been rough that long. It was just getting worse.&nb= sp;=20 I will double check the CAS setting, but it always checks right where Trac= y's=20 manual says it should be.

The engine can run with damaged parts until the compression gets to low= for=20 fuel vapor to form from heat of compression. Could be a few more second= s,=20 or months.

There is a last trip syndrome, where on the last trip the coolant heat=20= is=20 helping the heat of compression keep the engine running. Once the engine coo= ls,=20 it will never start again in any normal manor. Spinning it with 24 volts or=20 heating the intake manifold may work, but otherwise the engine is done.

In my opinion, the three piece seals don't even look like they would wo= rk.=20 The effective height of the top piece is too short and is nowhere as stable=20= in=20 the groove as a 2 piece (7MM tall) seal will be. If Tracy has a 2 piece 2MM=20= seal=20 that would make sense.

Lynn E. Hanover

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