X-Virus-Scanned: clean according to Sophos on Logan.com Return-Path: Received: from mail-yh0-f53.google.com ([209.85.213.53] verified) by logan.com (CommuniGate Pro SMTP 6.0.5) with ESMTPS id 6346688 for flyrotary@lancaironline.net; Mon, 24 Jun 2013 13:25:33 -0400 Received-SPF: pass receiver=logan.com; client-ip=209.85.213.53; envelope-from=rwstracy@gmail.com Received: by mail-yh0-f53.google.com with SMTP id a41so5006079yho.26 for ; Mon, 24 Jun 2013 10:24:59 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20120113; h=subject:references:from:content-type:x-mailer:in-reply-to :message-id:date:to:content-transfer-encoding:mime-version; bh=iQ6o8YeTkvydeAoWNz1CtIsvzwlp6k9BgaMbA+gS5dY=; b=ophaDYhH0bmqfrZcJrqJEskp0CEJxETg3sX0LRy8GrOD8xerHo/BAhpM3i+la3YtR2 8OfjhJAjCC/MSd+nTLnf7EkYEE6JjhdMnFiTbmqUR76uUpwTZeeSxLJg4cqRs/RVYUf0 TQb1ULtgiRrAq7fyV7DJVdK2WaqlR77TMSZZuV9TgGYetvxOV50Z+L8g61rrVabhx8qT Ljri8/jhlxy19T+SSFgs223cBYYOWjGLJ/pfSffDXZ72BZFzfm+AHHXKF1BnC5ljrtKA 8Dw7/WsELQGDzGJcuAwEHEted6I2W/bMBKCzput8b+YhLfZikCggEyzecO6x5sSWXnN9 6XMg== X-Received: by 10.236.83.110 with SMTP id p74mr13272272yhe.194.1372094698935; Mon, 24 Jun 2013 10:24:58 -0700 (PDT) Return-Path: Received: from [75.196.158.163] (163.sub-75-196-158.myvzw.com. [75.196.158.163]) by mx.google.com with ESMTPSA id v68sm31676669yhn.22.2013.06.24.10.24.48 for (version=TLSv1 cipher=ECDHE-RSA-RC4-SHA bits=128/128); Mon, 24 Jun 2013 10:24:58 -0700 (PDT) Subject: Re: [FlyRotary] Re: Blown engine References: From: Tracy Content-Type: multipart/alternative; boundary=Apple-Mail-1881DF9C-9065-49D3-8182-AAD853914B03 X-Mailer: iPad Mail (10B329) In-Reply-To: Message-Id: <614A71DE-E691-4713-B1EB-4C3CFFC4A541@gmail.com> Date: Mon, 24 Jun 2013 11:00:53 -0600 To: Rotary motors in aircraft Content-Transfer-Encoding: 7bit Mime-Version: 1.0 (1.0) --Apple-Mail-1881DF9C-9065-49D3-8182-AAD853914B03 Content-Type: text/plain; charset=us-ascii Content-Transfer-Encoding: quoted-printable FWIW, the thermal shock story is totally bogus.=20 Tracy=20 Sent from my iPad On Jun 24, 2013, at 9:44, David Leonard wrote: > Scott, > I have never heard of an iron breaking from thermal shock. I routinely mi= streat mine in that manner. =20 > Don't forget to take everything Dave Atkins says with a grain of salt. He= has not always been the most straight forward of salesmen. >=20 >=20 > On Fri, Jun 21, 2013 at 4:27 PM, Scott Emery wrote: >> I showed the damaged rotor, rotor housing and front side iron to Dave Atk= ins, the local expert. He thinks my engine suffered FOD but the entry point i= s a mystery. The broken side iron is My fault: thermal shock. The aluminum r= otor housing experienced thermal expansion faster and greater than the side i= ron because I went to high power before the engine was sufficiently warm. Th= e alignment dowel was moved outward by the growing aluminum housing and crac= ked out the side iron around the dowel, which is also the oil gallery >>=20 >> Sent from my iPhone >>=20 >> On Jun 19, 2013, at 11:35 AM, Scott Emery wrote: >>=20 >> > Looks like FOD this is from rear rotor, all tip seals broke along with t= he closest corner seals >> > >> > >> > >> > >> > >> > Sent from my iPhone >> > -- >> > Homepage: http://www.flyrotary.com/ >> > Archive and UnSub: http://mail.lancaironline.net:81/lists/flyrotary/L= ist.html >>=20 >> -- >> Homepage: http://www.flyrotary.com/ >> Archive and UnSub: http://mail.lancaironline.net:81/lists/flyrotary/Lis= t.html >=20 >=20 >=20 > --=20 > David Leonard >=20 > Turbo Rotary RV-6 N4VY > http://N4VY.RotaryRoster.net > http://RotaryRoster.net --Apple-Mail-1881DF9C-9065-49D3-8182-AAD853914B03 Content-Type: text/html; charset=utf-8 Content-Transfer-Encoding: 7bit
FWIW,  the thermal shock story is totally bogus. 

Tracy 

Sent from my iPad

On Jun 24, 2013, at 9:44, David Leonard <wdleonard@gmail.com> wrote:

Scott,
I have never heard of an iron breaking from thermal shock.  I routinely mistreat mine in that manner.  
Don't forget to take everything Dave Atkins says with a grain of salt.  He has not always been the most straight forward of salesmen.


On Fri, Jun 21, 2013 at 4:27 PM, Scott Emery <shipchief@aol.com> wrote:
I showed the damaged rotor, rotor housing and front side iron to Dave Atkins, the local expert. He thinks my engine suffered FOD but the entry point is a mystery. The broken side iron is My fault: thermal shock. The aluminum rotor housing experienced thermal expansion faster and greater than the side iron because I went to high power before the engine was sufficiently warm. The alignment dowel was moved outward by the growing aluminum housing and cracked out the side iron around the dowel, which is also the oil gallery

Sent from my iPhone

On Jun 19, 2013, at 11:35 AM, Scott Emery <shipchief@aol.com> wrote:

> Looks like FOD this is from rear rotor, all tip seals broke along with the closest corner seals
>
> <photo.JPG>
>
>
>
> Sent from my iPhone
> --
> Homepage:  http://www.flyrotary.com/
> Archive and UnSub:   http://mail.lancaironline.net:81/lists/flyrotary/List.html

--
Homepage:  http://www.flyrotary.com/
Archive and UnSub:   http://mail.lancaironline.net:81/lists/flyrotary/List.html



--
David Leonard

Turbo Rotary RV-6 N4VY
http://N4VY.RotaryRoster.net
http://RotaryRoster.net
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