Received-SPF: none
 receiver=logan.com; client-ip=209.86.89.63; envelope-from=colyncase@earthlink.net
DomainKey-Signature: a=rsa-sha1; q=dns; c=nofws;
  s=dk20050327; d=earthlink.net;
  b=n0rB/TAqz98e4NO0O6Fj6FoEVVPK5S3B+z/lOv2d1rsXaOku69sXdZOgjOc9HKZ5;
  h=Received:Content-Type:Mime-Version:Subject:From:In-Reply-To:Date:Content-Transfer-Encoding:Message-Id:References:To:X-Mailer:X-ELNK-Trace:X-Originating-IP;
Content-Type: text/plain; charset=us-ascii
Mime-Version: 1.0 (Apple Message framework v1085)
Subject: Re: [LML] Re: Potential Problem-Engine Vibration
From: Colyn Case <colyncase@earthlink.net>
In-Reply-To: <list-6390528@logan.com>
Date: Thu, 25 Jul 2013 15:18:16 -0400
Content-Transfer-Encoding: quoted-printable
Message-Id: <582C6C29-0AD8-43E5-860F-9F1D215BCE3D@earthlink.net>
References: <list-6390528@logan.com>
To: "Lancair Mailing List" <lml@lancaironline.net>

So how do you get your alternator balanced?  non-aviation shops won't =
touch them and aviation shops don't want to open them

On Jul 25, 2013, at 10:21 AM, Paul Miller wrote:

Ed Martin's legacy is smooth.  Mine has had a lot of annoying vibes as =
you describe but virtually all have been removed with lots of cowling =
interference fixes and plug change.  Many pilots forget the alternator =
can be a wicked source of vibration and it is almost in the same plane =
as the prop.

The problems I had originally were in that freq range and visible at the =
wingtip also.

Paul

On 2013-07-25, at 9:54, Charles Brown <browncc1@verizon.net> wrote:

>=20
> Has anyone definitely flown a vibration-free IO-550 Lancair (or =
TSIO-550) with *any* propeller?  And by vibration-free, I mean it is =
free of low-frequency 10-20Hz stuff, not the normal noise of flying.  =
What I'm wondering is...  is it the 550, making such vibration with =
*any* propeller?
>=20
> Charley Brown
> Legacy RG  280hr
>=20
>=20

--
For archives and unsub =
http://mail.lancaironline.net:81/lists/lml/List.html