|
|
Very disappointed that there were no specifics here. If it is that
"high risk", couldn't he have given at least one reason?
Tracy
----- Original Message -----
Sent: Wednesday, June 01, 2005 9:08
PM
Subject: [FlyRotary] [Fwd: COZY: Rotary
risks]
You guys are in trouble:
>
> From: al p wick
<alwick@juno.com>
> Date: 2005/06/01
Wed PM 05:53:06 EDT
> To: Cozy_Builders@mailman.qth.net
>
Subject: COZY: Rotary risks
>
> 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.
> 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).
>
Repeat root cause failures to design changes... the same pattern to
all
> the failures.
>
> 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.
>
> I'll itemize the risk items in future, too many
pans in fire right now. I
> also have to look at other info
sources.
>
> 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.
>
> Fire away!
>
> -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
>
> On Wed, 1 Jun 2005 09:13:16 -0700 "Keith N91KS" <kspreuer@yahoo.com>
>
writes:
> The rotary guys are coming in much lighter and
>
> the reliability of those engines sounds like they have made great
>
> improvements.
>
>
> > 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
>
>> Homepage: http://www.flyrotary.com/
>>
Archive: http://lancaironline.net/lists/flyrotary/List.html
|
|