Today's Message Index:
----------------------
1. 07:45 AM - A-65 rebuild (SENTUCHOWS@aol.com)
2. 07:53 AM - Re: A-65 rebuild (Tommy Walker)
3. 08:01 AM - Re: A-65 rebuild (SENTUCHOWS@aol.com)
4. 08:21 AM - Re: A-65 rebuild (Tommy Walker)
5. 08:23 AM - Re: A-65 rebuild (Tommy Walker)
6. 08:38 AM - Re: A-65 rebuild (Randy L. Thwing)
7. 08:41 AM - Re: Re: A-65 rebuild (Randy L. Thwing)
8. 08:53 AM - Re: A-65 rebuild (Tommy Walker)
9. 09:12 AM - Re: Re: A-65 rebuild (SENTUCHOWS@aol.com)
10. 09:46 AM - Re: A-65 rebuild (Jack Phillips)
11. 09:50 AM - Re: A-65 rebuild (SENTUCHOWS@aol.com)
12. 01:36 PM - Re: A-65 rebuild (Deems Herring)
13. 07:57 PM - Re: Re: A-65 rebuild (Randy L. Thwing)
Message 1
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I am about to start a rebuild of an A-65 for an experimental airplane. I
have the manual but need extra help. Is there anybody out there in
Continental land.
Dave
Message 2
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| Subject: | Re: A-65 rebuild |
Dave,
I wish. getting ready to rebuild an O200. This seems to be a desert.
Tommy
>
> *
> *
>
>
Message 3
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| Subject: | Re: A-65 rebuild |
Maybe we can help each other. Who knows, maybe others will become
interested. Are you going to use your engine in an experimental?
Dave
Message 4
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| Subject: | Re: A-65 rebuild |
my replies aren't getting posted to Matronics, so here's what I wrote:
Hi Dave,
I have a very limited background working on engines and such as a young man. On Ebay, you can find a Continental Overhaul Manual for your engine. The last one I saw went for about $20.00. You can also get everything about the engine on one CD for a couple of dollars on EBay. It has the manual, Service Bulletins, ADs, etc. It pretty much has everything you need to know to tear down, inspect and rebuild your engine. We took ours apart and sent the case, crank and cam to Aircraft Specialties Services in Tulsa (www.aircraft-specialties.com) for inspection. I'm supposed to take the cylinders to a place in Newnan, GA next week. The problem I've had so far is how to properly disassemble the engine. I have a friend who has lots of experience rebuilding a/c engines and he gave me a lot of valuable pointers, plus advice on what to have checked and who to send it to. I'm sure when it comes time to put everything back together, my friend is going to save me from a major catastrophe.
We plan to put the engine in a Kitfox Super Sport. I'm also working on getting
it ready to do the first mount of the wings, plus looking for a new hangar since
our home airport closed last summer. I'm building the plane in my garage,
but when we start putting the wings on, I'm going to have to put it in a hangar
somewhere. I live in Anniston, AL.
Here's a link to our website. You can see pictures of the disassembly under the Engine tab. http://www.rickscafe.us . Click on the Southern Aircraft Works link.
--------
Tommy Walker
N8701 - Anniston, AL
Read this topic online here:
http://forums.matronics.com/viewtopic.php?p=332899#332899
Message 5
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| Subject: | Re: A-65 rebuild |
Hi Dave,
I have a very limited background working on engines and such as a young man.
On Ebay, you can find a Continental Overhaul Manual for your engine. The
last one I saw went for about $20.00. You can also get everything about the
engine on one CD for a couple of dollars on EBay. It has the manual,
Service Bulletins, ADs, etc. It pretty much has everything you need to
know to tear down, inspect and rebuild your engine. We took ours apart and
sent the case, crank and cam to Aircraft Specialties Services in Tulsa (
www.aircraft-specialties.com) for inspection. I'm supposed to take the
cylinders to a place in Newnan, GA next week. The problem I've had so far
is how to properly disassemble the engine. I have a friend who has lots of
experience rebuilding a/c engines and he gave me a lot of valuable pointers,
plus advice on what to have checked and who to send it to. I'm sure when it
comes time to put everything back together, my friend is going to save me
from a major catastrophe.
We plan to put the engine in a Kitfox Super Sport. I'm also working on
getting it ready to do the first mount of the wings, plus looking for a new
hangar since our home airport closed last summer. I'm building the plane in
my garage, but when we start putting the wings on, I'm going to have to put
it in a hangar somewhere. I live in Anniston, AL.
Here's a link to our website. You can see pictures of the disassembly under
the Engine tab. http://www.rickscafe.us . Click on the Southern Aircraft
Works link.
On Sun, Mar 6, 2011 at 9:57 AM, <SENTUCHOWS@aol.com> wrote:
> Maybe we can help each other. Who knows, maybe others will become
> interested. Are you going to use your engine in an experimental?
>
> Dave
>
> *
> *
>
>
Message 6
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| Subject: | Re: A-65 rebuild |
There is probably plenty of help when you are ready for it, but please
don't ask something like:
"Please send me everything you know about rebuilding small
Continentals".
No one has time to write novels.
If you ask one or two questions at a time, you will probably get plenty
of answers and advice.
Two weeks ago, we had engine start of a very thorough OH of a O-200 we
did for our first issue C-150. Everything good so far.
Go slow, be thorough and methodical and don't do anything that you
wouldn't want to explain to a IA.
I'll ask the first question of Dave & Tommy:
What cylinders do you intend to use? Rebuild yours, of buy new?
Regards,
Randy, Las vegas
----- Original Message -----
From: Tommy Walker
To: continental-list@matronics.com
Sent: Sunday, March 06, 2011 7:51 AM
Subject: Re: Continental-List: A-65 rebuild
Dave,
I wish. getting ready to rebuild an O200. This seems to be a desert.
Tommy
-------------------------------------------------------------------------
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Checked by AVG - www.avg.com
03/04/11 19:34:00
Message 7
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| Subject: | Re: A-65 rebuild |
> <twalker@cableone.net>
>
> my replies aren't getting posted to Matronics, so here's what I wrote:
What do you mean Tommy, this is Matronics and they are coming through?
Randy, Las Vegas
do not archive
Message 8
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| Subject: | Re: A-65 rebuild |
Hi Randy,
I think I remember you from the Zenith list. Right?
I now see that my post got posted twice. I sent it via email and when I checked
it hadn't been added so I copied it and pasted. Just deleted the first reply.
Cylinders....
We hope to use our cylinders. It all depends on how the inspection goes. If I
could find a good deal on cylinders like I did on new ones from TCM a few years
ago, I would go for it. But if these check out we will use them. They are
steel cylinders with no oversize. The engine had 240 hrs SMOH when it had a
prop strike. We are waiting to hear about Crank and case....
--------
Tommy Walker
N8701 - Anniston, AL
Read this topic online here:
http://forums.matronics.com/viewtopic.php?p=332905#332905
Message 9
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| Subject: | Re: A-65 rebuild |
I would also like to use the cyls I have. I bought 3 A-65's with the idea
of building one good engine. I realize some things will have to be rebuilt
or replaced. Have one engine torn down and have some good pieces. It was an
a-75 with the waffle pistons. I have one set of working Bendix SF4 Mags And
a completely rebuilt Stromberg carb. One engine has a couple chrome cyl's
on it.
I have to Mic the inside of the cyl's and see what I have. If over
Standard bore, I can bore out the cyl's out .015. New pistons and rings required.
Parts for that about $500????? I don't have any idea what the bore job
would cost.
Dave
Message 10
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Where are you?
Jack Phillips
Raleigh, NC
_____
From: owner-continental-list-server@matronics.com
[mailto:owner-continental-list-server@matronics.com] On Behalf Of
SENTUCHOWS@aol.com
Sent: Sunday, March 06, 2011 10:42 AM
Subject: Continental-List: A-65 rebuild
I am about to start a rebuild of an A-65 for an experimental airplane. I
have the manual but need extra help. Is there anybody out there in
Continental land.
Dave
Message 11
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| Subject: | Re: A-65 rebuild |
Hendersonville NC.
Dave
Message 12
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If you are looking for information this: http://www.bowersflybaby.com/tech/
fenton.htm is a good place to spend a few hours. It will answer many of the
questions about small Continentals. After that if you have any specific qu
estions I'll see what I can do.
Deems Herring A&P=2C IA=2C O-200 owner
Message 13
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| Subject: | Re: A-65 rebuild |
Hello Tommy:
Yes, I am on most of the ZA lists. We have corresponded before.
The following contains many facts and a lot of my opinions. It is worth
exactly what you are paying for it.
If you have a O-200 that is used in a certified aircraft, with original
Continental cylinders identified by casting numbers, they are subject to
cylinder head cracking.
O-200's specs call for ignition timing of 28 degrees BTDC and a redline of
2800 rpm. Because of the head cracking problem, there is a three decades
old AD that requires the timing to be retarded to 24 degrees BTDC. This
decreases horsepower in an effort to alleviate the cylinder head cracking.
Is this cracking a result of cylinder head design geometery or the fact that
these cylinders were designed to run on 80 octane fuel which is no longer
available? I can't answer that. I do know that the cylinder head cracking
is real and does occur often.
These same cylinders are used on most the small Continental 4 cylinder
engines as well as the C-145/O-300 six cylinder engines. As the O-200 is
the only one that has the 2800 RPM redline, this AD doesn't apply to the
other engines as they don't turn as fast. Does that mean turning at a lower
RPM won't cause head cracking? That has not been my experience.
Two years ago, we overhauled a C-145 six cylinder for our flying club 1958
C-172. The removed cylinders, along with several cylinders offered to us
for sale "for rebuild" in total, eleven had cracked cylinder heads.
These can all be rebuilt, the heads welded etc. but what do you have then?
Regardless of rebuild, they are still subjec to the AD in a O-200.
How long will they last?
Our decision was to buy modern designed ECI cylinders whch are engineered to
run on 100 octane avgas.
In experimental use, you don not have to comply with this AD, but does that
make any difference in reliability?
Continental now produces a newer design cylinder that relieves one from the
AD for the O-200. I have been told, that the ECI cylinders have valve
rotators installed and the Continental cylinders do not. I don't know if
that is true.
Again, this AD does not apply to other engines like the A-65.
The decision then, is how does the cylinder rebuild price, of the older
design, compare with buying new design cylinders?
Our decision was based on two things:
1. To buy a cylinder of a newer design to avoid head cracking, and
eliminate the AD to allow a full 100 HP.
2. To buy a cylinder designed to use 100 octane avgas.
There's some info. I'm sure other experienced people will comment.
Regards,
Randy L. Thwing, Las Vegas
----- Original Message -----
From: "Tommy Walker" <twalker@cableone.net>
Sent: Sunday, March 06, 2011 8:50 AM
Subject: Continental-List: Re: A-65 rebuild
> <twalker@cableone.net>
>
> Hi Randy,
>
> I think I remember you from the Zenith list. Right?
>
> I now see that my post got posted twice. I sent it via email and when I
> checked it hadn't been added so I copied it and pasted. Just deleted the
> first reply.
>
> Cylinders....
>
> We hope to use our cylinders. It all depends on how the inspection goes.
> If I could find a good deal on cylinders like I did on new ones from TCM a
> few years ago, I would go for it. But if these check out we will use
> them. They are steel cylinders with no oversize. The engine had 240 hrs
> SMOH when it had a prop strike. We are waiting to hear about Crank and
> case....
>
> --------
> Tommy Walker
> N8701 - Anniston, AL
>
>
> Read this topic online here:
>
> http://forums.matronics.com/viewtopic.php?p=332905#332905
>
>
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