Today's Message Index:
----------------------
1. 06:23 AM - taildragger (Mike H)
2. 07:47 AM - Re: taildragger (Mike Fothergill)
3. 09:01 AM - Re: What're you doing to your soobs? (Larry McFarland)
4. 01:46 PM - Re: What're you doing to your soobs? (Don WALKER)
5. 02:32 PM - Re: What're you doing to your soobs? (Larry McFarland)
6. 06:51 PM - Corvair Discussion (Matt Keyes)
7. 07:16 PM - CH701 BRS (Roma L. Skinner)
8. 08:01 PM - Re: Corvair Discussion (sportypilot@stx.rr.com)
9. 08:24 PM - Prop Pitch (john H)
Message 1
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--> Zenith-List message posted by: "Mike H" <mhilderbrand@cox.net>
Anyone have the zodiac xl with the tail dragger conversion? How does the a/c behave
for a person with no tail wheel time? Thanks
Michael H
Message 2
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--> Zenith-List message posted by: Mike Fothergill <mfothergill@sympatico.ca>
Hi Mike;
My 601HDS is a tail dragger. You should get checked out first. Start
with grass runways first if available. They do require some extra care
in landing, but they handle rough fields much better than trikes.
Mike
CH-601 HDS 1000+hrs
UHS Spinners
Mike H wrote:
> --> Zenith-List message posted by: "Mike H" <mhilderbrand@cox.net>
>
> Anyone have the zodiac xl with the tail dragger conversion? How does the a/c
behave for a person with no tail wheel time? Thanks
> Michael H
>
>
>
>
>
>
>
>
Message 3
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| Subject: | Re: What're you doing to your soobs? |
--> Zenith-List message posted by: "Larry McFarland" <larrymc@qconline.com>
Don,
I don't think Stratus should be faulted for a cooling system that Zenith
designed for the 601. Stratus rebuilders should be faulted for knurling and
reusing valve guides,
but overheating and high rpms are not caused by valve guides. Generally,
overheat is the result of
poor cooling by Zenith supplied radiator kits. I believe under jetting is
one of the things a user has
to learn about sooner than later, so the responsiblilty is his. On another
note, the right upper engine
mount has been corrected by Stratus lengthening the top diagonal past the
point where cracking begins.
I believe Ram Performance adds an excellent piece of insurance in SS valves,
guides and springs,
but I come to the table with the conviction that Stratus provides an
excellent engine choice and redrive
and that it's the user/buyer's responsibility as EXPERIMENTAL to learn about
risks before the fact.
Larry McFarland
----- Original Message -----
From: "Don WALKER" <d3dw@msn.com>
Subject: Re: Zenith-List: What're you doing to your soobs?
> --> Zenith-List message posted by: "Don WALKER" <d3dw@msn.com>
>
> Perry,
> Stratus has given soobs a bad history on this list due to a number that
> were rebuilt with knurled valve guides that came loose (whether the
> engines
> were overheated or not). Five or six have had to replace their heads after
> failures. Stratus has also had trouble with engine mount brackets,
> alternator brackets, and with underjetting the carbs. Also, Zenith seems
> to
> have been unaware of the inadequacy of the cooling systems on this
> appplication for the Soobs. These things have been discovered the hard way
> by consumers rather than being discovered by the engine builder, Stratus.
> These problems seem to have been generalized to the engine as a whole,
> which
> is inaccurate. Don Walker HDS TD
>
>>From: "Larry McFarland" <larrymc@qconline.com>
>>Reply-To: zenith-list@matronics.com
>>To: <zenith-list@matronics.com>
>>Subject: Re: Zenith-List: What're you doing to your soobs?
>>Date: Wed, 24 Nov 2004 11:14:11 -0600
>>
>>--> Zenith-List message posted by: "Larry McFarland"
>><larrymc@qconline.com>
>>
>>You're right Perry,
>>
>>the Subaru is bullet proof, but increased compression to get 100 hp
>>requires
>>you look closely at fuel mixture and the efficiency of the radiator
>>installation. Just hanging the gear and flying it on the 601 has caused a
>>lot of reported overheated exhaust valves and heads. There is certainly
>>enough info available to avoid these problems, for even the novice
>>non-engine guy, but he has to read and understand the info first. A
>>better
>>valve guide installation like Ram Performance is also a good
>>
>>idea when dealing with a 100 hp Subaru. There are a lot of guys flying
>>these with great reliability
>>
>>and economy, but there is a learning curve for success.
>>
>>
>>Larry McFarland
>>
>>
>>Subject: Zenith-List: What're you doing to your soobs?
>>
>>
>> > --> Zenith-List message posted by: "Dr. Perry Morrison"
>> > <perrymorrison@yahoo.com>
>> >
>> >
>> > I don't understand the consternation about soobs on this list. They
>> > seem
>> > to be bullet proof where I live- especially when stock. I think people
>>are
>> > just asking too much from the engine.
>> >
>> > So why do your soobs give you so much trouble?
>> >
>> > Perry Morrison
>> >
>> >
>>
>>
>
>
>
Message 4
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| Subject: | Re: What're you doing to your soobs? |
--> Zenith-List message posted by: "Don WALKER" <d3dw@msn.com>
Well, Larry,
I know you don't intend to be argumentative, but it sounds to me like
you missed the intent of my post, as well as where I place the fault for the
cooling. I thougt it was clear enough, and written in past tense regarding
the "history" on this list. As far as jetting goes, When one talks directly
to an engine builder about jetting an engine for his flying, then that is
what you will likely trust. It just didn't work that well with Reiner's
engines. I think much of this predates your experience on this list.
Initially fixes for the problems were met with denial and defensiveness by
the new owner, though he has come around albiet slowly and reluctantly.
My response was to Perry's question about how this developed, not about
the present quality of the Stratus engines. Respectfully, Don
do not archive
>From: "Larry McFarland" <larrymc@qconline.com>
>Reply-To: zenith-list@matronics.com
>To: <zenith-list@matronics.com>
>Subject: Re: Zenith-List: What're you doing to your soobs?
>Date: Thu, 25 Nov 2004 10:59:28 -0600
>
>--> Zenith-List message posted by: "Larry McFarland" <larrymc@qconline.com>
>
>Don,
>I don't think Stratus should be faulted for a cooling system that Zenith
>designed for the 601. Stratus rebuilders should be faulted for knurling
>and
>reusing valve guides,
>but overheating and high rpms are not caused by valve guides. Generally,
>overheat is the result of
>poor cooling by Zenith supplied radiator kits. I believe under jetting is
>one of the things a user has
>to learn about sooner than later, so the responsiblilty is his. On another
>note, the right upper engine
>mount has been corrected by Stratus lengthening the top diagonal past the
>point where cracking begins.
>I believe Ram Performance adds an excellent piece of insurance in SS
>valves,
>guides and springs,
>but I come to the table with the conviction that Stratus provides an
>excellent engine choice and redrive
>and that it's the user/buyer's responsibility as EXPERIMENTAL to learn
>about
>risks before the fact.
>
>Larry McFarland
>
>----- Original Message -----
>From: "Don WALKER" <d3dw@msn.com>
>To: <zenith-list@matronics.com>
>Subject: Re: Zenith-List: What're you doing to your soobs?
>
>
> > --> Zenith-List message posted by: "Don WALKER" <d3dw@msn.com>
> >
> > Perry,
> > Stratus has given soobs a bad history on this list due to a number
>that
> > were rebuilt with knurled valve guides that came loose (whether the
> > engines
> > were overheated or not). Five or six have had to replace their heads
>after
> > failures. Stratus has also had trouble with engine mount brackets,
> > alternator brackets, and with underjetting the carbs. Also, Zenith seems
> > to
> > have been unaware of the inadequacy of the cooling systems on this
> > appplication for the Soobs. These things have been discovered the hard
>way
> > by consumers rather than being discovered by the engine builder,
>Stratus.
> > These problems seem to have been generalized to the engine as a whole,
> > which
> > is inaccurate. Don Walker HDS TD
> >
> >>From: "Larry McFarland" <larrymc@qconline.com>
> >>Reply-To: zenith-list@matronics.com
> >>To: <zenith-list@matronics.com>
> >>Subject: Re: Zenith-List: What're you doing to your soobs?
> >>Date: Wed, 24 Nov 2004 11:14:11 -0600
> >>
> >>--> Zenith-List message posted by: "Larry McFarland"
> >><larrymc@qconline.com>
> >>
> >>You're right Perry,
> >>
> >>the Subaru is bullet proof, but increased compression to get 100 hp
> >>requires
> >>you look closely at fuel mixture and the efficiency of the radiator
> >>installation. Just hanging the gear and flying it on the 601 has caused
>a
> >>lot of reported overheated exhaust valves and heads. There is certainly
> >>enough info available to avoid these problems, for even the novice
> >>non-engine guy, but he has to read and understand the info first. A
> >>better
> >>valve guide installation like Ram Performance is also a good
> >>
> >>idea when dealing with a 100 hp Subaru. There are a lot of guys flying
> >>these with great reliability
> >>
> >>and economy, but there is a learning curve for success.
> >>
> >>
> >>Larry McFarland
> >>
> >>
> >>Subject: Zenith-List: What're you doing to your soobs?
> >>
> >>
> >> > --> Zenith-List message posted by: "Dr. Perry Morrison"
> >> > <perrymorrison@yahoo.com>
> >> >
> >> >
> >> > I don't understand the consternation about soobs on this list. They
> >> > seem
> >> > to be bullet proof where I live- especially when stock. I think
>people
> >>are
> >> > just asking too much from the engine.
> >> >
> >> > So why do your soobs give you so much trouble?
> >> >
> >> > Perry Morrison
> >> >
> >> >
> >>
> >>
> >
> >
> >
>
>
Message 5
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| Subject: | Re: What're you doing to your soobs? |
--> Zenith-List message posted by: "Larry McFarland" <larrymc@qconline.com>
My apologies for speaking out of turn, Don. I didn't intended to provoke or
contradict, but defend a good product. I missread the time frame from your
post, but I'll read more carefully next time.
Larry McFarland
Do Not Archive
Subject: Re: Zenith-List: What're you doing to your soobs?
> --> Zenith-List message posted by: "Don WALKER" <d3dw@msn.com>
>
> Well, Larry,
> I know you don't intend to be argumentative, but it sounds to me like
> you missed the intent of my post, I think much of this predates your
> experience on this list.
> Initially fixes for the problems were met with denial and defensiveness by
> the new owner, though he has come around albiet slowly and reluctantly.
> My response was to Perry's question about how this developed, not
> about
> the present quality of the Stratus engines. Respectfully, Don
> do not archive
>
Message 6
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| Subject: | Corvair Discussion |
--> Zenith-List message posted by: Matt Keyes <keyesmp@yahoo.com>
I believe William Wynne recommends replacing the stock corvair crank with a forged
one, much stronger than original, but even so, as used in aircraft,at 2800-3300
rpm, it is not seeing the same stresses that ground racing applications
would produce. I can check my copy of the manual to confirm the forged vs. stock
crank issue, or as has been recommended, check out his web site for yourself.
Matt K.
'64corvair conversion in progress, no plane yet.
---------------------------------
Message 7
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--> Zenith-List message posted by: "Roma L. Skinner" <roma@airmail.net>
First post to list,
Anyone operating CH701 with BRS, what model of BRS? installation ideas etc.
Thanks
R. Skinner
Message 8
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| Subject: | Re: Corvair Discussion |
--> Zenith-List message posted by: sportypilot@stx.rr.com
Best I can recall from the manual ,is all corvair motors had steel crankshafts..
I have most of the parts to build one.. new rebuilt crankshaft and bearings
but I will wait to start on this one after my rv9a is done with the 0320
I want a 601xl td down the road..
Danny..
----- Original Message -----
From: Matt Keyes <keyesmp@yahoo.com>
Subject: Zenith-List: Corvair Discussion
> --> Zenith-List message posted by: Matt Keyes <keyesmp@yahoo.com>
>
> I believe William Wynne recommends replacing the stock corvair
> crank with a forged one, much stronger than original, but even so,
> as used in aircraft,at 2800-3300 rpm, it is not seeing the same
> stresses that ground racing applications would produce. I can
> check my copy of the manual to confirm the forged vs. stock crank
> issue, or as has been recommended, check out his web site for
> yourself.
> Matt K.
> '64corvair conversion in progress, no plane yet.
>
>
> ---------------------------------
>
>
> _-
> _-> _-
> _-
> _-
> =====================================================================
>
>
>
>
Message 9
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--> Zenith-List message posted by: "john H" <professor71@hotmail.com>
Happy Thanksgiving List
I have a 601HD with a 70" warp drive prop. I'm doing my run ups and was
wondering what other people were using for prop pitch and setting for static
rpms for best all around performance. Warp says to measure pitch at the
tips.
Thanks
John
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