Today's Message Index:
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1. 05:16 AM - AW: Max. Oil Consumption (Mario Nolte)
2. 05:59 AM - Oil consumpsion (TBelvin38@aol.com)
3. 06:44 AM - Re: Oil consumpsion (Archie)
4. 07:53 AM - Re: Oil consumption (Konrad L. Werner)
5. 09:58 AM - Re: Oil consumption (Jim Baker)
6. 10:19 AM - Re: Oil consumption (Konrad L. Werner)
7. 11:05 AM - Re: Oil consumption (Michael)
8. 11:05 AM - Re: Oil consumption (Jim Baker)
9. 03:02 PM - Re: Lycoming engine designation (CardinalNSB@aol.com)
10. 04:32 PM - Re: Max. Oil Consumption (Hopperdhh@aol.com)
11. 05:15 PM - Re: Max. Oil Consumption (Archie)
Message 1
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| Subject: | Max. Oil Consumption |
--> Engines-List message posted by: Mario Nolte <Mario.Nolte@post.rwth-aachen.de>
Hello Konrad,
if I would recognize increasing oil consumption my first reaction would
be performing an oil analysis. (And, if its the first one, resent that
I cant compare to the outcome of earlier tests) That way upcoming
problems are recongizable quite early and can be taken care of before
greater damage is done.
Kind regards
Mario
-----Ursprngliche Nachricht-----
Von: owner-engines-list-server@matronics.com
[mailto:owner-engines-list-server@matronics.com] Im Auftrag von Konrad
L. Werner
Gesendet: Sonntag, 2. Juli 2006 02:12
An: engines-list@matronics.com
Betreff: *****SPAM***** Engines-List: Max. Oil Consumption
Fellow Lister,
Does anyone know how excessive an engines oil consumption can become,
before one should take it apart for an overhaul?
What does Lycoming recommend in regard to max allowed oil consumption?
Thanks, Konrad
Do Not Archive
Message 2
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Gentlemen, I figure that's .97 qt. per hr.for 300 HP. If the oil sump is
full at take-off would one not run out of oil before fuel?
Did I figure that right and would I be writing in the sky?
Do not archive.
Message 3
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| Subject: | Re: Oil consumpsion |
Scary, isn't it?
Right from Lycoming. When talking to their reps at OSH, they merely
dance around the
answer, and essentially say "it is designed that way" or "that's the way
it is", with no
technical info as to why. I was promised some forthcoming (twice), but
never received anything.
With the vast amount of technological advances today, they insist on
living in the past.
There may be beaurocratic obstacles in the way, who knows?
Archie
----- Original Message -----
From: TBelvin38@aol.com
To: engines-list@matronics.com
Sent: Sunday, July 02, 2006 8:56 AM
Subject: Engines-List: Oil consumpsion
Gentlemen, I figure that's .97 qt. per hr.for 300 HP. If the oil sump
is full at take-off would one not run out of oil before fuel?
Did I figure that right and would I be writing in the sky?
Do not archive.
Message 4
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| Subject: | Re: Oil consumption |
Not if you have a 12qt system in that 300hp, and then burn roughly
1qt/hr.? Or do you have enough fuel for a ~12hr. long flight?
do not archive
----- Original Message -----
From: TBelvin38@aol.com
To: engines-list@matronics.com
Sent: Sunday, July 02, 2006 6:56 AM
Subject: Engines-List: Oil consumpsion
Gentlemen, I figure that's .97 qt. per hr.for 300 HP. If the oil sump
is full at take-off would one not run out of oil before fuel?
Did I figure that right and would I be writing in the sky?
Do not archive.
-------------------------------------------------------------------------
-----
No virus found in this incoming message.
6/30/2006
Message 5
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| Subject: | Re: Oil consumption |
--> Engines-List message posted by: "Jim Baker" <jlbaker@msbit.net>
There is, of course, a minimum specified oil quantity as well. Not
going to run it till all the oil is gone. As for my 300hp engine, if I
were to fill to the 12 qt line the first 4 quarts would get dumped
overboard pronto and settle at 8 qts.
> Not if you have a 12qt system in that 300hp, and then burn roughly 1qt/hr.? Or
do you have
> enough fuel for a ~12hr. longflight?
>
> do not archive
> ----- Original Message -----
> From: TBelvin38@aol.com
> To: engines-list@matronics.com
> Sent: Sunday, July 02, 2006 6:56 AM
> Subject: Engines-List: Oil consumpsion
>
> Gentlemen, I figure that's .97 qt. per hr.for 300 HP. If the oil sump is
full at take-off would
> one not run out of oil before fuel?
> Did I figure that right and would I be writing in the sky?
> Do not archive.
>
> No virus found in this incoming message.
> Checked by AVG Free Date: 6/30/2006
Jim Baker
580.788.2779
Elmore City, OK
Message 6
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| Subject: | Re: Oil consumption |
And then you still have 8hrs. until the seizing of the engine...
Why do they make it 12qts anyway if it can't hold it in the first place,
but pukes oil until its down to 8qts?
----- Original Message -----
From: Jim Baker
To: engines-list@matronics.com
Sent: Sunday, July 02, 2006 10:55 AM
Subject: Re: Engines-List: Oil consumption
--> Engines-List message posted by: "Jim Baker" <jlbaker@msbit.net>
There is, of course, a minimum specified oil quantity as well. Not
going to run it till all the oil is gone. As for my 300hp engine, if I
were to fill to the 12 qt line the first 4 quarts would get dumped
overboard pronto and settle at 8 qts.
> Not if you have a 12qt system in that 300hp, and then burn roughly
1qt/hr.? Or do you have
> enough fuel for a ~12hr. longflight?
>
> do not archive
> ----- Original Message -----
> From: TBelvin38@aol.com
> To: engines-list@matronics.com
> Sent: Sunday, July 02, 2006 6:56 AM
> Subject: Engines-List: Oil consumpsion
>
> Gentlemen, I figure that's .97 qt. per hr.for 300 HP. If the oil
sump is full at take-off would
> one not run out of oil before fuel?
> Did I figure that right and would I be writing in the sky?
> Do not archive.
>
> No virus found in this incoming message.
> Checked by AVG Free Date: 6/30/2006
Jim Baker
580.788.2779
Elmore City, OK
=========================
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--
No virus found in this incoming message.
6/30/2006
Message 7
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> Why do they make it 12qts anyway if it can't hold it in the first place,
but pukes oil until its down to 8qts?
Good question. Like the O-320/360 series with an 8 quart sump on an engine
that works best at 6.
Message 8
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| Subject: | Re: Oil consumption |
--> Engines-List message posted by: "Jim Baker" <jlbaker@msbit.net>
> And then you still have 8hrs. until the seizing of the engine...
>
> Why do they make it 12qts anyway if it can't hold it in the first place, but
pukes oil until its down
> to 8qts?
I've never seen an engine that didn't have it's own oil-level
comfort zone. Some are more, some are less. The 12 qts was
ostensibly for oil cooling of the engine, expecting that the greater
oil surface area would dissipate more heat through the case
walls, oil cooler, and oil pan, from the piston crowns and,
marginally, from cylinder barrels. I've seen some that were
happy with 9qts, some with 10, and rarely some with 12.
Sometimes the same engine model in the same type aircraft had
a different quantity level...go figure.
Jim Baker
580.788.2779
Elmore City, OK
Message 9
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| Subject: | Re: Lycoming engine designation |
I wasn't clear in my last question. Regarding for instance a Lycoming
"O-360 A1A", I understand there is a wide deck and a narrow deck model. Is that
the only difference among these engines, or is there something else that might
be different among various "O-360 A1A" engines? thank you, skip
Message 10
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| Subject: | Re: Max. Oil Consumption |
Archie,
Just curious -- why wouldn't it just be simplified to:
.00324xBHP=consumption in qt. per hr.
Is 4 the number of cylinders? What do the terms stand for?
??
Dan Hopper
RV-7A
In a message dated 7/1/2006 10:43:46 P.M. Eastern Daylight Time,
archie97@earthlink.net writes:
Just found a copy here in my office.
.006 X BHP X 4 / 7.4 = qt. per hr.
----- Original Message -----
Sent: Saturday, July 01, 2006 8:12 PM
Fellow Lister,
Does anyone know how excessive an engines oil consumption can become, before
one should take it apart for an overhaul?
What does Lycoming recommend in regard to max allowed oil consumption?
Thanks, Konrad
Do Not Archive
Message 11
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| Subject: | Re: Max. Oil Consumption |
Did not take the time to analyze the formula. Just as given by Lycoming.
To the best of my knowledge, this applies to all their piston engines,
therefore the 4 would not fit.
As far as I am concerned, one quart between oil changes is enough, but
have been there before, and have told people how it is done.
(albeit against manufacturer and FAA edicts)
Nuff said.
Archie
----- Original Message -----
From: Hopperdhh@aol.com
To: engines-list@matronics.com
Sent: Sunday, July 02, 2006 7:27 PM
Subject: Re: Engines-List: Max. Oil Consumption
Archie,
Just curious -- why wouldn't it just be simplified to:
.00324xBHP=consumption in qt. per hr.
Is 4 the number of cylinders? What do the terms stand for?
??
Dan Hopper
RV-7A
In a message dated 7/1/2006 10:43:46 P.M. Eastern Daylight Time,
archie97@earthlink.net writes:
Just found a copy here in my office.
.006 X BHP X 4 / 7.4 = qt. per hr.
----- Original Message -----
From: Konrad L. Werner
To: engines-list@matronics.com
Sent: Saturday, July 01, 2006 8:12 PM
Subject: Engines-List: Max. Oil Consumption
Fellow Lister,
Does anyone know how excessive an engines oil consumption can
become, before one should take it apart for an overhaul?
What does Lycoming recommend in regard to max allowed oil
consumption?
Thanks, Konrad
Do Not Archive
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