X-Virus-Scanned: clean according to Sophos on Logan.com X-SpamCatcher-Score: 2 [X] Return-Path: Sender: To: lml@lancaironline.net Date: Sat, 12 May 2007 18:01:25 -0400 Message-ID: X-Original-Return-Path: Received: from imo-m25.mx.aol.com ([64.12.137.6] verified) by logan.com (CommuniGate Pro SMTP 5.1.8) with ESMTP id 2040238 for lml@lancaironline.net; Sat, 12 May 2007 17:57:56 -0400 Received-SPF: pass receiver=logan.com; client-ip=64.12.137.6; envelope-from=Sky2high@aol.com Received: from Sky2high@aol.com by imo-m25.mx.aol.com (mail_out_v38_r9.2.) id q.d07.ee0acc9 (58808) for ; Sat, 12 May 2007 17:57:08 -0400 (EDT) From: Sky2high@aol.com X-Original-Message-ID: X-Original-Date: Sat, 12 May 2007 17:57:08 EDT Subject: Re: [LML] 360 Landing Incident: Engine Tear-Down/New Props X-Original-To: lml@lancaironline.net MIME-Version: 1.0 Content-Type: multipart/alternative; boundary="-----------------------------1179007028" X-Mailer: 9.0 Security Edition for Windows sub 5365 X-Spam-Flag: NO -------------------------------1179007028 Content-Type: text/plain; charset="US-ASCII" Content-Transfer-Encoding: 7bit In a message dated 5/12/2007 1:49:38 P.M. Central Daylight Time, RicArgente@cs.com writes: So, due to a landing incident that bent the props on my 360, an engine tear-down is now requried. This particular engine has approximately 900 hours TTSN. New props will probably be needed also. I need some feedback please. Engine: - install high-compression pistons now? Which ones? - get the engine overhauled now? Zero timed? Prop - I had the 72" Hartzell props - should I go for the newer 68" ones? - Scimitars blades? Rick, Everything you asked - depends..................... When I had my engine torn down after a gear up landing, many of the decisions were made easy. I had 400 hours on Cermi-Chrome cylinders that had just started to exhibit increasing oil consumption (a known problem), so I had the cylinders replaced with ECI Cermi-Nil cylinders. My crankshaft was just a wee bit bent so I had it replaced with a heavier one (engine rebuilder gave me trade-in credit). The cam lobes had not been wearing well so I had them replaced with 1-piece cams. 9:1 pistons were obtained to replace the old ones. I was able to retain the prop hub and the blades were replaced. Have you considered an Aerocomposite prop? I had the fuel system rebuilt also. Scott Krueger AKA Grayhawk Lancair N92EX IO320 SB 89/96 Aurora, IL (KARR) Darwinian culling phrase: Watch This! ************************************** See what's free at http://www.aol.com. -------------------------------1179007028 Content-Type: text/html; charset="US-ASCII" Content-Transfer-Encoding: quoted-printable

In a message dated 5/12/2007 1:49:38 P.M. Central Daylight Time,=20 RicArgente@cs.com writes:

<= FONT=20 style=3D"BACKGROUND-COLOR: transparent" face=3DArial color=3D#000000 size= =3D2>So, due=20 to a landing incident that bent the props on my 360, an engine tear-down i= s=20 now requried. This particular engine has approximately 900 hours=20 TTSN. New props will probably be needed also.

I need some=20 feedback please.

Engine:
- install high-compressi= on=20 pistons now? Which ones?
- get the engine overhauled now? Zero=20 timed?

Prop
- I had the 72" Hartzell props
-=20 should I go for the newer 68" ones?
- Scimitars=20 blades?

Rick,

Everything you asked - depends.....................

When I had my engine torn down after a gear up landing, many of the=20 decisions were made easy. I had 400 hours on Cermi-Chrome cylinders th= at=20 had just started to exhibit increasing oil consumption (a known problem), so= I=20 had the cylinders replaced with ECI Cermi-Nil cylinders. My crankshaft= was=20 just a wee bit bent so I had it replaced with a heavier one (engine rebuilde= r=20 gave me trade-in credit). The cam lobes had not been wearing well so I= had=20 them replaced with 1-piece cams. 9:1 pistons were obtained to rep= lace=20 the old ones. I was able to retain the prop hub and the blades were=20 replaced. Have you considered an Aerocomposite prop? I had the f= uel=20 system rebuilt also. =20

Scott Krueger=20 AKA Grayhawk
Lancair N92EX IO320 SB 89/96
Aurora, IL=20 (KARR)

Darwinian culling phrase: Watch=20 This!

See wha= t's free at AOL.co= m.

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