Today's Message Index:
----------------------
1. 02:06 AM - Re: Re: CorvairEngines-5th bearing (roy szarafinski)
2. 06:25 AM - Re: Re: CorvairEngines-5th bearing (Rick Lindstrom)
3. 09:05 AM - Re: Re: CorvairEngines-5th bearing (MRus597999@aol.com)
4. 09:47 AM - Re: Re: CorvairEngines-5th bearing (Rick Lindstrom)
5. 10:09 AM - Re: Re: CorvairEngines-5th bearing (Barry Davis)
6. 10:24 AM - Re: Re: CorvairEngines-5th bearing (Scott Black)
7. 06:04 PM - Re: William Wynne out of Business? (Fulco, Neal (NA))
Message 1
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Subject: | Re: CorvairEngines-5th bearing |
Well I need to apologize to Mike and the list, I was a little chapped
about opinions being touted as facts.
Forgive my satire.
Roy
On Jan 26, 2011, at 10:02 PM, John Bolding wrote:
> A little more homework on the subject might be helpful to understand
> the difference.
> ----- Original Message -----
> From: MRus597999@aol.com
> To: corvairengines-list@matronics.com
> Sent: Wednesday, January 26, 2011 7:09 PM
> Subject: Re: CorvairEngines-List: William Wynne out of Business?
>
> >> We're trying to save money in the experimental market and that's
> why I say all things being equal I will go with the lowest price.
>
>
Message 2
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Subject: | Re: CorvairEngines-5th bearing |
Brother Roy!
The latest KITPLANES (finally) contains the Experimotive column I
wrote about Dan, you, and Mark. In this piece I thought I did a pretty
good job of describing the difference between the different bearing
offerings.
Let me see if I can get a PDF of the article to you, it might help
correct some of the perceptions that people hold about price being the
final determining factor.
Rick
On Thu, Jan 27, 2011 at 2:04 AM, roy szarafinski <rvickski@yahoo.com> wrote:
> Well I need to apologize to Mike and the list, I was a little chapped about
> opinions being touted as facts.
> Forgive my satire.
> Roy
> On Jan 26, 2011, at 10:02 PM, John Bolding wrote:
>
> A little more homework on the subject might be helpful to understand the
> difference.
>
> ----- Original Message -----
> From:MRus597999@aol.com
> To:corvairengines-list@matronics.com
> Sent:Wednesday, January 26, 2011 7:09 PM
> Subject:Re: CorvairEngines-List: William Wynne out of Business?
>>>We're trying to save money in the experimental marketand that's why I
>>> say all things being equalI will go with the lowest price.
>
>
> href="http://www.matronics.com/Navigator?CorvairEngines-List">http://www.matronics.com/Navigator?CorvairEngines-List
> href="http://forums.matronics.com">http://forums.matronics.com
> href="http://www.matronics.com/contribution">http://www.matronics.com/contribution
>
>
Message 3
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Subject: | Re: CorvairEngines-5th bearing |
I apologize for being misinformed. I read the Kitplane article after I
visited Roy's website. It does appear he has an excellent product and is well
worth the reasonable price he is asking. It has been some time since I
visited the site and it looks like he has and is creating some other very
excellent products for the Corvair conversion. I am still working on upgrading
my
601xl airframe and am a few months away from finishing it. I was already
to start on my corvair when the FAA stopped all Zenith builders in their
tracks. Maybe that's a good thing. I am going to really examine Roy's 5th
bearing again.
Mike Russell
In a message dated 1/27/2011 6:25:09 A.M. Pacific Standard Time,
tigerized@gmail.com writes:
--> CorvairEngines-List message posted by: Rick Lindstrom
<tigerized@gmail.com>
Brother Roy!
The latest KITPLANES (finally) contains the Experimotive column I
wrote about Dan, you, and Mark. In this piece I thought I did a pretty
good job of describing the difference between the different bearing
offerings.
Let me see if I can get a PDF of the article to you, it might help
correct some of the perceptions that people hold about price being the
final determining factor.
Rick
On Thu, Jan 27, 2011 at 2:04 AM, roy szarafinski <rvickski@yahoo.com>
wrote:
> Well I need to apologize to Mike and the list, I was a little chapped
about
> opinions being touted as facts.
> Forgive my satire.
> Roy
> On Jan 26, 2011, at 10:02 PM, John Bolding wrote:
>
> A little more homework on the subject might be helpful to understand the
> difference.
>
> ----- Original Message -----
> From: MRus597999@aol.com
> To: corvairengines-list@matronics.com
> Sent: Wednesday, January 26, 2011 7:09 PM
> Subject: Re: CorvairEngines-List: William Wynne out of Business?
>>> We're trying to save money in the experimental market and that's why I
>>> say all things being equal I will go with the lowest price.
>
>
>
href="http://www.matronics.com/Navigator?CorvairEngines-List">http://www.matronics.com/Navigator?CorvairEngines-List
> href="http://forums.matronics.com">http://forums.matronics.com
>
href="http://www.matronics.com/contribution">http://www.matronics.com/contribution
>
>
Message 4
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Subject: | Re: CorvairEngines-5th bearing |
IMHO, if you're engine is already mounted and running, Dan's solution
is, indeed, "better than air" and will prevent your crankshaft from
developing a split personality.
If you're still building your engine, then I'd seriously consider
Roy's solution and take advantage of his line boring skill and his
beautifully machined, servicable bearing.
In the grand scheme of things, the difference in money spent pales
when considering that both solutions will prevent you from a forced
landing, or worse, somewhere.
Again, this is just the opinion of a loud-mouthed journalist.
On Thu, Jan 27, 2011 at 9:02 AM, <MRus597999@aol.com> wrote:
> I apologize for being misinformed. I read the Kitplane article after I
> visited Roy's website. It does appear he has an excellent product and is
> well worth the reasonable price he is asking. It has been some time since I
> visited the site and it looks like he has and is creating some other very
> excellent products for the Corvair conversion. I am still working on
> upgrading my 601xl airframe and am a few months away from finishing it. I
> was already to start on my corvair when the FAA stopped all Zenith builders
> in their tracks. Maybe that's a good thing. I am going to really examine
> Roy's 5th bearing again.
>
> Mike Russell
>
> In a message dated 1/27/2011 6:25:09 A.M. Pacific Standard Time,
> tigerized@gmail.com writes:
>
> <tigerized@gmail.com>
>
> Brother Roy!
>
> The latest KITPLANES (finally) contains the Experimotive column I
> wrote about Dan, you, and Mark. In this piece I thought I did a pretty
> good job of describing the difference between the different bearing
> offerings.
>
> Let me see if I can get a PDF of the article to you, it might help
> correct some of the perceptions that people hold about price being the
> final determining factor.
>
> Rick
>
> On Thu, Jan 27, 2011 at 2:04 AM, roy szarafinski <rvickski@yahoo.com> wrote:
>> Well I need to apologize to Mike and the list, I was a little chapped
>> about
>> opinions being touted as facts.
>> Forgive my satire.
>> Roy
>> On Jan 26, 2011, at 10:02 PM, John Bolding wrote:
>>
>> A little more homework on the subject might be helpful to understand the
>> difference.
>>
>> ----- Original Message -----
>> From:MRus597999@aol.com
>> To:corvairengines-list@matronics.com
>> Sent:Wednesday, January 26, 2011 7:09 PM
>> Subject:Re: CorvairEngines-List: William Wynne out of Business?
>>>>We're trying to save money in the experimental marketand that's why I
>>>> say all things being equalI will go with the lowest price.
>>
>>
>>
>> href="http://www.matronics.com/Navigator?CorvairEngines-List">http://www.matronics.com/Navigator?CorvairEngines-List
>> href="http://forums.matronics.com">http://forums.matronics.com
>>
>> href="http://www.matronics.com/contribution">http://www.matronics.com/contribution
>>
>>
>>
>>
>>
>>
>> - MATRONICS WEB FORUMS
>> ================================================ - List
>> Contribution Web Site sp;
>> ==================================================
>
>
Message 5
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Subject: | Re: CorvairEngines-5th bearing |
Don't forget to check out the Aeromax bearing. Some good pictures are on a
website www.awesometrvl.com Down at the bottom of the first page.
bed
-----Original Message-----
From: owner-corvairengines-list-server@matronics.com
[mailto:owner-corvairengines-list-server@matronics.com] On Behalf Of Rick
Lindstrom
Sent: Thursday, January 27, 2011 12:45 PM
Subject: Re: CorvairEngines-List: Re: CorvairEngines-5th bearing
--> <tigerized@gmail.com>
IMHO, if you're engine is already mounted and running, Dan's solution is,
indeed, "better than air" and will prevent your crankshaft from developing a
split personality.
If you're still building your engine, then I'd seriously consider Roy's
solution and take advantage of his line boring skill and his beautifully
machined, servicable bearing.
In the grand scheme of things, the difference in money spent pales when
considering that both solutions will prevent you from a forced landing, or
worse, somewhere.
Again, this is just the opinion of a loud-mouthed journalist.
On Thu, Jan 27, 2011 at 9:02 AM, <MRus597999@aol.com> wrote:
> I apologize for being misinformed. I read the Kitplane article after I
> visited Roy's website. It does appear he has an excellent product and
> is well worth the reasonable price he is asking. It has been some time
> since I visited the site and it looks like he has and is creating some
> other very excellent products for the Corvair conversion. I am still
> working on upgrading my 601xl airframe and am a few months away from
> finishing it. I was already to start on my corvair when the FAA
> stopped all Zenith builders in their tracks. Maybe that's a good
> thing. I am going to really examine Roy's 5th bearing again.
>
> Mike Russell
>
> In a message dated 1/27/2011 6:25:09 A.M. Pacific Standard Time,
> tigerized@gmail.com writes:
>
> <tigerized@gmail.com>
>
> Brother Roy!
>
> The latest KITPLANES (finally) contains the Experimotive column I
> wrote about Dan, you, and Mark. In this piece I thought I did a pretty
> good job of describing the difference between the different bearing
> offerings.
>
> Let me see if I can get a PDF of the article to you, it might help
> correct some of the perceptions that people hold about price being the
> final determining factor.
>
> Rick
>
> On Thu, Jan 27, 2011 at 2:04 AM, roy szarafinski <rvickski@yahoo.com>
wrote:
>> Well I need to apologize to Mike and the list, I was a little chapped
>> about opinions being touted as facts.
>> Forgive my satire.
>> Roy
>> On Jan 26, 2011, at 10:02 PM, John Bolding wrote:
>>
>> A little more homework on the subject might be helpful to understand
>> the difference.
>>
>> ----- Original Message -----
>> From:MRus597999@aol.com
>> To:corvairengines-list@matronics.com
>> Sent:Wednesday, January 26, 2011 7:09 PM
>> Subject:Re: CorvairEngines-List: William Wynne out of Business?
>>>>We're trying to save money in the experimental marketand that's
>>>>why I say all things being equalI will go with the lowest price.
>>
>>
>>
>> href="http://www.matronics.com/Navigator?CorvairEngines-List">http://
>> www.matronics.com/Navigator?CorvairEngines-List
>> href="http://forums.matronics.com">http://forums.matronics.com
>>
>> href="http://www.matronics.com/contribution">http://www.matronics.com
>> /contribution
>>
>>
>>
>>
>>
>>
>> - MATRONICS WEB FORUMS
>> ================================================ - List
>> Contribution Web Site sp;
>> ==================================================
>
>
Message 6
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Subject: | Re: CorvairEngines-5th bearing |
It is interesting to note that pretty much all of the crank failures have
been in higher performance airplanes like the KR and Sonex (Cleanex)? The
common theory has been that this is a function of aircraft speed and rpm. I
have a pet theory (doesn't everyone?) that it is not the airplane, but the
type of flying that is doing in these cranks where 40 yrs of flying in Piets
did not. When an airplane is in level flight at low aircraft aoa both the up
and down going blades see similar blade aoas. When pulling G, such as in a
tight turn, the down going and up going blade see substantially different
blade aoa, and hence blade loading (known as P factor). This means that
every revolution is a brutal bending cycle on the prop. I know from flying
65hp champs that I tended to be a bit gentle when just tooling around. But
when flying something with a bit more "hair" it is lots of fun to bank and
yank. So I think it is the style of flying that has as much to do with the
crank failures as anything. Aerobatics would be a certain fast track to a
silent landing. As for the different 5th bearings, one would need to have
some specialized knowledge to understand the relationship between bending
loads and bearing clearance to determine the advantage of the different
options. Theoretically the line bored precision installation should be
better, but it might also be that once you have even a crude 5th bearing on
there the improvement is so vast that the benefit from the extra tolerance
is in the wash. I think anyone who says they know for sure would have to
have some hard numbers (i.e. test data) or they are just guessing. It comes
down to engineering judgement and experience and it will be a few 1000
flight hrs before this experience starts to be built up. Right now it is
fortunate that there are several different approaches being taken. If
failures start to turn up in one type then valuable knowledge will be
tained. Hopefully any design shortcomings will show up during an inspection
and not result in an incident.
Message 7
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Subject: | Re: William Wynne out of Business? |
Like others, I too had to wait a good while to get some of the parts I
had ordered from WW. But I eventually got them all. I think WW does so
much of the work himself to keep costs down, that many items are
backlogged. About WW, a couple of years ago at Oshkosh, I was at the
WW display and I saw a part on display that I eventually was going to
buy. WW said "take it." I didn't have the cash on me at that point and
WW said to just take it. " I know you're good for it." Quite nice of
him. Not many people would do that.
Neal
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