Sender: <marv@lancaironline.net>
To:  lml@lancaironline.net
Date: Mon, 23 May 2011 08:03:10 -0400
Message-ID: <redirect-4991627@logan.com>
Received-SPF: pass
 receiver=logan.com; client-ip=64.12.206.39; envelope-from=vtailjeff@aol.com
References: <list-4989505@logan.com>
In-Reply-To: <list-4989505@logan.com>
Mime-Version: 1.0 (iPhone Mail 8C148)
Content-Type: text/plain;
	charset=us-ascii
Content-Transfer-Encoding: quoted-printable
From: Jeff Edwards <vtailjeff@aol.com>
Subject: Re: [LML] Re: L-IV Choice of Engine
X-AOL-SCOLL-URL_COUNT: 0  
x-aol-sid: 3039ac1d29014dd67ea70c41
X-AOL-IP: 166.137.143.112

Jeff,

Great advice.


AvSafe=20
Jeff Edwards
314.308.6719 mobile
636.532.5638 office
Jeff.edwards@avsafe.com

On May 20, 2011, at 7:52 AM, liegner@earthlink.net wrote:

> Nicholas,
>=20
> I am one of those builders with V8 experience.  I wish I had Coyln's advic=
e when I made the 2003 decision to pursue the V8 alternative.  After three y=
ears of design/installation, lots of money, and three months of test flying,=
 I was not pleased with the continued engineering problem solving required t=
o make the installation safe and effective.  It was my awareness of the mult=
itude of challenges in Sept 2006 that led me to remove the engine and put a s=
tandard TSIO-550E on my LIVP.  I am very glad I did.  Without highlighting t=
he significant issues associated with such an endeavor, I would counsel to s=
tick with the standard engine configuration.  Always.
>=20
> I note that you have been building since before 2003, with wings done in 2=
003-2004, inquiry about engine choice in 2005, empennage questions in 2006, f=
ollowed by (presumably) some time away from the project there in the Vancouv=
er BC area until more recently.
>=20
> Like I was, you are probably anxious to get flying this kitplane that has o=
ccupied your engineering attention for so many years.  The fastest way to ge=
t that kit flying is to stay with standard features like the engine choice. =
 Avoid reworking a solidly good design, despite the uncertain forecast relat=
ed to 100LL fuel.
>=20
> If you want to contact me off list, you are welcomed to do so.
>=20
> Jeff L
> LIVP in New Jersey
>=20
>=20
>=20
>=20
> Nicholas,
>=20
> I hate it when people don't answer the question I asked but I'm not going t=
o answer your question as posed.  I don't actually know much about enginair.=

>=20
> I will editorialize that it takes a test program from hell PLUS many thous=
and copies in the field to fully get through debugging just about any signif=
icant piece of engineering.   That's because to hit every unique combination=
 of circumstances that might kill you just takes a lot of exposure.....if yo=
u look at the probabilities.=20
>=20
> To say that something has a 95% chance of working only means that 5% of th=
e uses will result in a 100% failure.  A 100% failure of an engine in a L-IV=
 has a very high correlation to death.
>=20
> Aircraft engines, technically, are nothing inspiring compared to the lates=
t auto technology.
> When you buy an aircraft engine, what you are really buying is a de facto p=
retty good test program:  hundreds of thousands of hours with all the releva=
nt combinations of things that happen in airplanes.
>=20
> Don't agonize.  Get a real aircraft engine.....and keep at least one magne=
to.
> One way to get a really good aircraft engine is to buy one that is near TB=
O and have Barrett Performance Engines rebuild it.
>=20
> Colyn
>=20
>=20
> On May 19, 2011, at 11:11 AM, Nicholas Paczkowski wrote:
>=20
> I am ready to hang an engine on my L-IV project (not-pressurized) and am a=
gonizing over the choice of engine. I have a good grasp on the problems with=
 the Enginair V8 conversions a few years ago but is there ANYONE out there w=
ho has successfully hung one of the GM LS V8 engines on a Lancair IV (or Leg=
acy). Alternatively  I was hoping to find anyone who has unsuccessfully done=
 so and is willing to talk about it.
>=20
> Thanks
>=20
> Nicholas Paczkowski
>   Office: (604) 643 1720
>   Fax:     (604) 924 8270
>   Direct: (604) 929 8285
> E-mail: npaczkowski@telus.net
>=20
>=20
> --
> For archives and unsub http://mail.lancaironline.net:81/lists/lml/List.htm=
l