X-Virus-Scanned: clean according to Sophos on Logan.com Return-Path: Sender: To: lml@lancaironline.net Date: Fri, 12 May 2006 18:30:26 -0400 Message-ID: X-Original-Return-Path: Received: from imo-m14.mx.aol.com ([64.12.138.204] verified) by logan.com (CommuniGate Pro SMTP 5.0.9) with ESMTP id 1111179 for lml@lancaironline.net; Fri, 12 May 2006 18:29:06 -0400 Received-SPF: pass receiver=logan.com; client-ip=64.12.138.204; envelope-from=Sky2high@aol.com Received: from Sky2high@aol.com by imo-m14.mx.aol.com (mail_out_v38_r7.5.) id q.436.c4d473 (48576) for ; Fri, 12 May 2006 18:28:15 -0400 (EDT) From: Sky2high@aol.com X-Original-Message-ID: <436.c4d473.319665ff@aol.com> X-Original-Date: Fri, 12 May 2006 18:28:15 EDT Subject: Re: [LML] Vibration and Prop Changes X-Original-To: lml@lancaironline.net MIME-Version: 1.0 Content-Type: multipart/alternative; boundary="-----------------------------1147472895" X-Mailer: 9.0 Security Edition for Windows sub 5300 X-Spam-Flag: NO -------------------------------1147472895 Content-Type: text/plain; charset="US-ASCII" Content-Transfer-Encoding: 7bit In a message dated 5/12/2006 4:12:51 P.M. Central Standard Time, dryan@gt.r r.com writes: I had a lot of vibration after changing the prop to a 3 blade MT on my 360. The vibration was pretty bad, almost as though the engine was missing. Most were saying I needed to balance. A wise mechanic changed the engine vibration isolators and the vibration disappeared. Don, Interesting. A friend with a 6-cyl Bonanza went to a 3-blade prop and could not get rid of the vibration. A graybeard noted that bearing wear after many hours on a two blade prop is different than that on a 3-blade. Go figure. Scott Krueger AKA Grayhawk Lancair N92EX IO320 CS Prop Slow Build 1989, Flown 1996 Aurora, IL (KARR) Eschew Obfuscation! -------------------------------1147472895 Content-Type: text/html; charset="US-ASCII" Content-Transfer-Encoding: quoted-printable
In a message dated 5/12/2006 4:12:51 P.M. Central Standard Time,=20 dryan@gt.rr.com writes:
<= FONT=20 style=3D"BACKGROUND-COLOR: transparent" face=3DArial color=3D#000000 size= =3D2>I had a=20 lot of vibration after changing the prop  to a 3 blade MT on my
3= 60.=20 The vibration was pretty bad, almost as though the engine was
missing.= =20 Most were saying I needed to balance. A wise mechanic changed
the engi= ne=20 vibration isolators and the vibration disappeared.
=
Don,
 
Interesting.  A friend with a 6-cyl Bonanza went to a 3-blade prop= and=20 could not get rid of the vibration.  A graybeard noted that bearing wea= r=20 after many hours on a two blade prop is different than that on a 3-blade.&nb= sp;=20 Go figure.=20
 
Scott Krueger=20 AKA Grayhawk
Lancair N92EX IO320 CS Prop
Slow Build 1989, Flown 1996=20
Aurora, IL (KARR)

Eschew=20 Obfuscation!
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