X-Virus-Scanned: clean according to Sophos on Logan.com Return-Path: Received: from [64.4.51.78] (HELO hotmail.com) by logan.com (CommuniGate Pro SMTP 4.3.4) with ESMTP id 981987 for flyrotary@lancaironline.net; Thu, 02 Jun 2005 10:09:51 -0400 Received-SPF: pass receiver=logan.com; client-ip=64.4.51.78; envelope-from=lors01@msn.com Received: from mail pickup service by hotmail.com with Microsoft SMTPSVC; Thu, 2 Jun 2005 07:09:06 -0700 Message-ID: Received: from 64.4.51.220 by BAY107-DAV6.phx.gbl with DAV; Thu, 02 Jun 2005 14:09:06 +0000 X-Originating-IP: [64.4.51.220] X-Originating-Email: [lors01@msn.com] X-Sender: lors01@msn.com From: "Tracy Crook" To: "Rotary motors in aircraft" References: Subject: Re: [FlyRotary] [Fwd: COZY: Rotary risks] Date: Thu, 2 Jun 2005 10:08:56 -0400 MIME-Version: 1.0 Content-Type: multipart/alternative; boundary="----=_NextPart_000_012B_01C5675B.165B1540" X-Priority: 3 X-MSMail-Priority: Normal X-Mailer: MSN 9 X-MimeOLE: Produced By MSN MimeOLE V9.10.0011.1703 Seal-Send-Time: Thu, 2 Jun 2005 10:08:56 -0400 X-OriginalArrivalTime: 02 Jun 2005 14:09:06.0628 (UTC) FILETIME=[A37B0040:01C5677C] This is a multi-part message in MIME format. ------=_NextPart_000_012B_01C5675B.165B1540 Content-Type: text/plain; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable Very disappointed that there were no specifics here. If it is that = "high risk", couldn't he have given at least one reason?=20 Tracy =20 ----- Original Message -----=20 From: atlasyts@bellsouth.net=20 To: Rotary motors in aircraft=20 Sent: Wednesday, June 01, 2005 9:08 PM Subject: [FlyRotary] [Fwd: COZY: Rotary risks] You guys are in trouble: >=20 > From: al p wick > > Date: 2005/06/01 Wed PM 05:53:06 EDT > To: = Cozy_Builders@mailman.qth.net > Subject: COZY: Rotary risks >=20 > I'm part way thru measuring Rotary risks. Using Tracy's newsletters = as > basis(what a neat guy). One thing is abundantly clear, it is a very = high > risk install. Substantially higher than the Lycoming. I know this is > going to upset a lot of people. I don't want to remain silent when I = have > facts that may save a life.=20 > Each change you make to a system increases your risk. Tons of = changes. > Marginal cooling of oil and water 6+ years later. Having to watch > something is a root cause of pilot oversight. > High shut down risk of his EFI system(too bad, as his EFI could be a = huge > risk reduction if designed differently).=20 > Repeat root cause failures to design changes... the same pattern to = all > the failures. >=20 > Doesn't mean don't use rotary, Perry had much lower risk as he = didn't > modify all those systems. It means, if you go that route, you better = make > sure you use every skill you can muster to anticipate failures and > qualify each change while on the ground. >=20 > I'll itemize the risk items in future, too many pans in fire right = now. I > also have to look at other info sources. >=20 > Risk is not measured by how many moving components you have. That is > propaganda. As are terms like "hand grenade" and "melting aluminum". = It's > the total system that counts. >=20 > Fire away! >=20 > -al wick > Artificial intelligence in cockpit, Cozy IV powered by stock Subaru = 2.5 > N9032U 200+ hours on engine/airframe from Portland, Oregon > Prop construct, Subaru install, Risk assessment, Glass panel design = info: > = http://www.maddyhome.com/canardpages/pages/alwick/index.html >=20 > On Wed, 1 Jun 2005 09:13:16 -0700 "Keith N91KS" = > > writes: > The rotary guys are coming in much lighter and > > the reliability of those engines sounds like they have made great > > improvements.=20 >=20 >=20 > > Keith > > Cozy N91KS > ______________________________________________________________ > Cozy_builders mailing list > Home: = http://mailman.qth.net/mailman/listinfo/cozy_builders > Help: = http://mailman.qth.net/mmfaq.html > Post: = mailto:Cozy_builders@mailman.qth.net >=20 >> Homepage: http://www.flyrotary.com/ >> Archive: = http://lancaironline.net/lists/flyrotary/List.html ------=_NextPart_000_012B_01C5675B.165B1540 Content-Type: text/html; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable
Very disappointed that there were no specifics here.  If it is = that=20 "high risk", couldn't he have given at least one reason? 
 
Tracy 
----- Original Message -----
From: atlasyts@bellsouth.net =
To: Rotary motors in = aircraft
Sent: Wednesday, June 01, 2005 = 9:08=20 PM
Subject: [FlyRotary] [Fwd: = COZY: Rotary=20 risks]

You guys are in trouble:
>
> From: al p = wick=20 <alwick@juno.com>
> Date: = 2005/06/01=20 Wed PM 05:53:06 EDT
> To: Cozy_Builders@mailman.qth.n= et
>=20 Subject: COZY: Rotary risks
>
> I'm part way thru = measuring=20 Rotary risks. Using Tracy's newsletters as
> basis(what a neat = guy). One=20 thing is abundantly clear, it is a very high
> risk install.=20 Substantially higher than the Lycoming. I know this is
> going = to upset=20 a lot of people. I don't want to remain silent when I have
> = facts that=20 may save a life.
> Each change you make to a system increases = your=20 risk. Tons of changes.
> Marginal cooling of oil and water 6+ = years=20 later. Having to watch
> something is a root cause of pilot=20 oversight.
> High shut down risk of his EFI system(too bad, as = his EFI=20 could be a huge
> risk reduction if designed differently). =
>=20 Repeat root cause failures to design changes... the same pattern to=20 all
> the failures.
>
> Doesn't mean don't use = rotary,=20 Perry had much lower risk as he didn't
> modify all those = systems. It=20 means, if you go that route, you better make
> sure you use = every skill=20 you can muster to anticipate failures and
> qualify each change = while on=20 the ground.
>
> I'll itemize the risk items in future, = too many=20 pans in fire right now. I
> also have to look at other info=20 sources.
>
> Risk is not measured by how many moving = components=20 you have. That is
> propaganda. As are terms like "hand grenade" = and=20 "melting aluminum". It's
> the total system that counts.
> =
> Fire away!
>
> -al wick
> Artificial = intelligence=20 in cockpit, Cozy IV powered by stock Subaru 2.5
> N9032U 200+ = hours on=20 engine/airframe from Portland, Oregon
> Prop construct, Subaru = install,=20 Risk assessment, Glass panel design info:
> htt= p://www.maddyhome.com/canardpages/pages/alwick/index.html
>=20
> On Wed, 1 Jun 2005 09:13:16 -0700 "Keith N91KS" <kspreuer@yahoo.com>
>=20 writes:
>  The rotary guys are coming in much lighter = and
>=20 > the reliability of those engines sounds like they have made = great
>=20 > improvements.
>
>
> > Keith
> > = Cozy=20 N91KS
>=20 ______________________________________________________________
> = Cozy_builders mailing list
> Home: http://mai= lman.qth.net/mailman/listinfo/cozy_builders
>=20 Help: http://mailman.qth.net/mmfaq.h= tml
>=20 Post: mailto:Cozy_builders@mailma= n.qth.net
>=20


>>  Homepage:  http://www.flyrotary.com/
>&= gt; =20 Archive:   http://lancai= ronline.net/lists/flyrotary/List.html
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