Today's Message Index:
----------------------
1. 04:38 AM - Re: RotaxEngines-List Digest: 1 Msgs - 05/25/10 (Hugh McKay)
2. 05:04 AM - prop strike 912 (KeysFox)
3. 05:18 AM - Re: Re: RotaxEngines-List Digest: 1 Msgs - 05/25/10 (Kevin Klinefelter)
4. 07:24 AM - Re: prop strike 912 (rampil)
5. 07:40 AM - Re: Re: RotaxEngines-List Digest: 1 Msgs - 05/25/10 (Hugh McKay)
6. 05:59 PM - Re: Re: RotaxEngines-List Digest: 1 Msgs - 05/25/10 (Kevin Klinefelter)
7. 06:22 PM - Posting test (John Fasching)
Message 1
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| Subject: | Re: RotaxEngines-List Digest: 1 Msgs - 05/25/10 |
When draining the used oil from the oil tank, what prevents air from getting
into the suction tube? All of the oil is out of the tank and the end of the
suction tube is exposed to atmospheric air.
Hugh G. McKay
Allegro 2000
Rotax 912 UL
--------------------------------------------------
From: "RotaxEngines-List Digest Server" <rotaxengines-list@matronics.com>
Sent: Wednesday, May 26, 2010 2:58 AM
Subject: RotaxEngines-List Digest: 1 Msgs - 05/25/10
> *
>
> =================================================
> Online Versions of Today's List Digest Archive
> =================================================
>
> Today's complete RotaxEngines-List Digest can also be found in either of
> the
> two Web Links listed below. The .html file includes the Digest formatted
> in HTML for viewing with a web browser and features Hyperlinked Indexes
> and Message Navigation. The .txt file includes the plain ASCII version
> of the RotaxEngines-List Digest and can be viewed with a generic text
> editor
> such as Notepad or with a web browser.
>
> HTML Version:
>
>
> http://www.matronics.com/digest/digestview.php?Style=82701&View=html&Chapter 10-05-25&Archive=RotaxEngines
>
> Text Version:
>
>
> http://www.matronics.com/digest/digestview.php?Style=82701&View=txt&Chapter 10-05-25&Archive=RotaxEngines
>
>
> ===============================================
> EMail Version of Today's List Digest Archive
> ===============================================
>
>
> ----------------------------------------------------------
> RotaxEngines-List Digest Archive
> ---
> Total Messages Posted Tue 05/25/10: 1
> ----------------------------------------------------------
>
>
> Today's Message Index:
> ----------------------
>
> 1. 01:57 PM - Re: "Burping" The Oil System in the 912 Engine
> (bjones@dmv.com)
>
>
> ________________________________ Message 1
> _____________________________________
>
>
> Time: 01:57:05 PM PST US
> Subject: Re: RotaxEngines-List: "Burping" The Oil System in the 912 Engine
> From: bjones@dmv.com
>
>
> Rotating the prop ONLY in the normal operating direction May be advised in
> order to 1. fill oil tank to check oil level properly, 2. prevent pushing
> air into oil delivery passages due to turning prop backwards, and 3.
> prevent air from being sucked into oil passages because header tank is
> empty and suction tube might draw air instead of oil. At least these are
> the explanations I recall from the Lockwood maint course.
> BJ
> N154K
>
>> Am I correct in my understanding that the only reason Rotax states on
>> page
>> 10-15 of the Operators Manual to rotate the prop several times in the
>> direction of engine rotation until one hears the "burp" or "murmur" in
>> the
>> oil tank is to return oil to the tank to check for the proper level in
>> the
>> tank? Some have inferred that you must do this every time before starting
>> the engine to assure proper lubrication through out the engine. My
>> interpretation of the Rotax instructions on page 10-15 of their Operation
>> Manual is that this is to assure that you have the correct oil level in
>> the tank, and for no other reason.
>>
>> Hugh McKay
>> Allegro 2000
>> Rotax 912 UL
>
>
>
Message 2
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I am looking at a 912 with history of a prop strike.
I understand the non-slipper clutch gear box tear down and check is in order.
Has anyone had crank shaft or other problems after prop strike on a 912(with a
wood prop, don't know if engine was at idle or developing power.)
BJ
bjones@dmv.com
--------
B Jones
N154K
443-480-1023
Read this topic online here:
http://forums.matronics.com/viewtopic.php?p=298904#298904
Message 3
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| Subject: | Re: RotaxEngines-List Digest: 1 Msgs - 05/25/10 |
You would have to turn the engine over (rotate the prop) in order to move
the oil in the lines and introduce air into the plumbing.
I suppose the same could be said regarding the oil filter. Don't turn the
engine over with the filter off?
Kevin
----- Original Message -----
From: "Hugh McKay" <hgmckay@bellsouth.net>
Sent: Wednesday, May 26, 2010 4:38 AM
Subject: RotaxEngines-List: Re: RotaxEngines-List Digest: 1 Msgs - 05/25/10
> <hgmckay@bellsouth.net>
>
> When draining the used oil from the oil tank, what prevents air from
> getting into the suction tube? All of the oil is out of the tank and the
> end of the suction tube is exposed to atmospheric air.
>
> Hugh G. McKay
> Allegro 2000
> Rotax 912 UL
>
> --------------------------------------------------
> From: "RotaxEngines-List Digest Server" <rotaxengines-list@matronics.com>
> Sent: Wednesday, May 26, 2010 2:58 AM
> To: "RotaxEngines-List Digest List"
> <rotaxengines-list-digest@matronics.com>
> Subject: RotaxEngines-List Digest: 1 Msgs - 05/25/10
>
>> *
>>
>> =================================================
>> Online Versions of Today's List Digest Archive
>> =================================================
>>
>> Today's complete RotaxEngines-List Digest can also be found in either of
>> the
>> two Web Links listed below. The .html file includes the Digest formatted
>> in HTML for viewing with a web browser and features Hyperlinked Indexes
>> and Message Navigation. The .txt file includes the plain ASCII version
>> of the RotaxEngines-List Digest and can be viewed with a generic text
>> editor
>> such as Notepad or with a web browser.
>>
>> HTML Version:
>>
>>
>> http://www.matronics.com/digest/digestview.php?Style=82701&View=html&Chapter 10-05-25&Archive=RotaxEngines
>>
>> Text Version:
>>
>>
>> http://www.matronics.com/digest/digestview.php?Style=82701&View=txt&Chapter 10-05-25&Archive=RotaxEngines
>>
>>
>> ===============================================
>> EMail Version of Today's List Digest Archive
>> ===============================================
>>
>>
>> ----------------------------------------------------------
>> RotaxEngines-List Digest Archive
>> ---
>> Total Messages Posted Tue 05/25/10: 1
>> ----------------------------------------------------------
>>
>>
>> Today's Message Index:
>> ----------------------
>>
>> 1. 01:57 PM - Re: "Burping" The Oil System in the 912 Engine
>> (bjones@dmv.com)
>>
>>
>>
>> ________________________________ Message 1
>> _____________________________________
>>
>>
>> Time: 01:57:05 PM PST US
>> Subject: Re: RotaxEngines-List: "Burping" The Oil System in the 912
>> Engine
>> From: bjones@dmv.com
>>
>>
>> Rotating the prop ONLY in the normal operating direction May be advised
>> in
>> order to 1. fill oil tank to check oil level properly, 2. prevent pushing
>> air into oil delivery passages due to turning prop backwards, and 3.
>> prevent air from being sucked into oil passages because header tank is
>> empty and suction tube might draw air instead of oil. At least these are
>> the explanations I recall from the Lockwood maint course.
>> BJ
>> N154K
>>
>>> Am I correct in my understanding that the only reason Rotax states on
>>> page
>>> 10-15 of the Operators Manual to rotate the prop several times in the
>>> direction of engine rotation until one hears the "burp" or "murmur" in
>>> the
>>> oil tank is to return oil to the tank to check for the proper level in
>>> the
>>> tank? Some have inferred that you must do this every time before
>>> starting
>>> the engine to assure proper lubrication through out the engine. My
>>> interpretation of the Rotax instructions on page 10-15 of their
>>> Operation
>>> Manual is that this is to assure that you have the correct oil level in
>>> the tank, and for no other reason.
>>>
>>> Hugh McKay
>>> Allegro 2000
>>> Rotax 912 UL
>>
>>
>>
>>
>>
>>
>>
>>
>>
>
>
>
Message 4
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| Subject: | Re: prop strike 912 |
Sounds like a tear down and runout limits check without more history and observation.
crank definitely must be checked
--------
Ira N224XS
Read this topic online here:
http://forums.matronics.com/viewtopic.php?p=298924#298924
Message 5
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| Subject: | Re: RotaxEngines-List Digest: 1 Msgs - 05/25/10 |
Kevin,
Would not the oil that is in the suction tube between the inlet at the
bottom of the tank and the
high point drain out when the tank is drained leaving air in this portion of
the suction tube?
Hugh
--------------------------------------------------
From: "Kevin Klinefelter" <kevann@gotsky.com>
Sent: Wednesday, May 26, 2010 8:17 AM
Subject: Re: RotaxEngines-List: Re: RotaxEngines-List Digest: 1 Msgs -
05/25/10
> <kevann@gotsky.com>
>
> You would have to turn the engine over (rotate the prop) in order to move
> the oil in the lines and introduce air into the plumbing.
> I suppose the same could be said regarding the oil filter. Don't turn the
> engine over with the filter off?
>
> Kevin
> ----- Original Message -----
> From: "Hugh McKay" <hgmckay@bellsouth.net>
> To: <rotaxengines-list@matronics.com>
> Sent: Wednesday, May 26, 2010 4:38 AM
> Subject: RotaxEngines-List: Re: RotaxEngines-List Digest: 1 Msgs -
> 05/25/10
>
>
>> <hgmckay@bellsouth.net>
>>
>> When draining the used oil from the oil tank, what prevents air from
>> getting into the suction tube? All of the oil is out of the tank and the
>> end of the suction tube is exposed to atmospheric air.
>>
>> Hugh G. McKay
>> Allegro 2000
>> Rotax 912 UL
>>
>> --------------------------------------------------
>> From: "RotaxEngines-List Digest Server" <rotaxengines-list@matronics.com>
>> Sent: Wednesday, May 26, 2010 2:58 AM
>> To: "RotaxEngines-List Digest List"
>> <rotaxengines-list-digest@matronics.com>
>> Subject: RotaxEngines-List Digest: 1 Msgs - 05/25/10
>>
>>> *
>>>
>>> =================================================
>>> Online Versions of Today's List Digest Archive
>>> =================================================
>>>
>>> Today's complete RotaxEngines-List Digest can also be found in either of
>>> the
>>> two Web Links listed below. The .html file includes the Digest
>>> formatted
>>> in HTML for viewing with a web browser and features Hyperlinked Indexes
>>> and Message Navigation. The .txt file includes the plain ASCII version
>>> of the RotaxEngines-List Digest and can be viewed with a generic text
>>> editor
>>> such as Notepad or with a web browser.
>>>
>>> HTML Version:
>>>
>>>
>>> http://www.matronics.com/digest/digestview.php?Style=82701&View=html&Chapter 10-05-25&Archive=RotaxEngines
>>>
>>> Text Version:
>>>
>>>
>>> http://www.matronics.com/digest/digestview.php?Style=82701&View=txt&Chapter 10-05-25&Archive=RotaxEngines
>>>
>>>
>>> ===============================================
>>> EMail Version of Today's List Digest Archive
>>> ===============================================
>>>
>>>
>>> ----------------------------------------------------------
>>> RotaxEngines-List Digest Archive
>>> ---
>>> Total Messages Posted Tue 05/25/10: 1
>>> ----------------------------------------------------------
>>>
>>>
>>> Today's Message Index:
>>> ----------------------
>>>
>>> 1. 01:57 PM - Re: "Burping" The Oil System in the 912 Engine
>>> (bjones@dmv.com)
>>>
>>>
>>>
>>> ________________________________ Message 1
>>> _____________________________________
>>>
>>>
>>> Time: 01:57:05 PM PST US
>>> Subject: Re: RotaxEngines-List: "Burping" The Oil System in the 912
>>> Engine
>>> From: bjones@dmv.com
>>>
>>>
>>> Rotating the prop ONLY in the normal operating direction May be advised
>>> in
>>> order to 1. fill oil tank to check oil level properly, 2. prevent
>>> pushing
>>> air into oil delivery passages due to turning prop backwards, and 3.
>>> prevent air from being sucked into oil passages because header tank is
>>> empty and suction tube might draw air instead of oil. At least these are
>>> the explanations I recall from the Lockwood maint course.
>>> BJ
>>> N154K
>>>
>>>> Am I correct in my understanding that the only reason Rotax states on
>>>> page
>>>> 10-15 of the Operators Manual to rotate the prop several times in the
>>>> direction of engine rotation until one hears the "burp" or "murmur" in
>>>> the
>>>> oil tank is to return oil to the tank to check for the proper level in
>>>> the
>>>> tank? Some have inferred that you must do this every time before
>>>> starting
>>>> the engine to assure proper lubrication through out the engine. My
>>>> interpretation of the Rotax instructions on page 10-15 of their
>>>> Operation
>>>> Manual is that this is to assure that you have the correct oil level in
>>>> the tank, and for no other reason.
>>>>
>>>> Hugh McKay
>>>> Allegro 2000
>>>> Rotax 912 UL
>>>
>>>
>>>
>>>
>>>
>>>
>>>
>>>
>>>
>>
>>
>>
>>
>
>
>
Message 6
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| Subject: | Re: RotaxEngines-List Digest: 1 Msgs - 05/25/10 |
uh, I don't know...
Kevin
do not archive
----- Original Message -----
From: "Hugh McKay" <hgmckay@bellsouth.net>
Sent: Wednesday, May 26, 2010 7:23 AM
Subject: Re: RotaxEngines-List: Re: RotaxEngines-List Digest: 1 Msgs -
05/25/10
> <hgmckay@bellsouth.net>
>
> Kevin,
>
> Would not the oil that is in the suction tube between the inlet at the
> bottom of the tank and the
> high point drain out when the tank is drained leaving air in this portion
> of the suction tube?
>
> Hugh
>
> --------------------------------------------------
> From: "Kevin Klinefelter" <kevann@gotsky.com>
> Sent: Wednesday, May 26, 2010 8:17 AM
> To: <rotaxengines-list@matronics.com>
> Subject: Re: RotaxEngines-List: Re: RotaxEngines-List Digest: 1 Msgs -
> 05/25/10
>
>> <kevann@gotsky.com>
>>
>> You would have to turn the engine over (rotate the prop) in order to move
>> the oil in the lines and introduce air into the plumbing.
>> I suppose the same could be said regarding the oil filter. Don't turn the
>> engine over with the filter off?
>>
>> Kevin
>> ----- Original Message -----
>> From: "Hugh McKay" <hgmckay@bellsouth.net>
>> To: <rotaxengines-list@matronics.com>
>> Sent: Wednesday, May 26, 2010 4:38 AM
>> Subject: RotaxEngines-List: Re: RotaxEngines-List Digest: 1 Msgs -
>> 05/25/10
>>
>>
>>> <hgmckay@bellsouth.net>
>>>
>>> When draining the used oil from the oil tank, what prevents air from
>>> getting into the suction tube? All of the oil is out of the tank and the
>>> end of the suction tube is exposed to atmospheric air.
>>>
>>> Hugh G. McKay
>>> Allegro 2000
>>> Rotax 912 UL
>>>
>>> --------------------------------------------------
>>> From: "RotaxEngines-List Digest Server"
>>> <rotaxengines-list@matronics.com>
>>> Sent: Wednesday, May 26, 2010 2:58 AM
>>> To: "RotaxEngines-List Digest List"
>>> <rotaxengines-list-digest@matronics.com>
>>> Subject: RotaxEngines-List Digest: 1 Msgs - 05/25/10
>>>
>>>> *
>>>>
>>>> =================================================
>>>> Online Versions of Today's List Digest Archive
>>>> =================================================
>>>>
>>>> Today's complete RotaxEngines-List Digest can also be found in either
>>>> of the
>>>> two Web Links listed below. The .html file includes the Digest
>>>> formatted
>>>> in HTML for viewing with a web browser and features Hyperlinked Indexes
>>>> and Message Navigation. The .txt file includes the plain ASCII version
>>>> of the RotaxEngines-List Digest and can be viewed with a generic text
>>>> editor
>>>> such as Notepad or with a web browser.
>>>>
>>>> HTML Version:
>>>>
>>>>
>>>> http://www.matronics.com/digest/digestview.php?Style=82701&View=html&Chapter 10-05-25&Archive=RotaxEngines
>>>>
>>>> Text Version:
>>>>
>>>>
>>>> http://www.matronics.com/digest/digestview.php?Style=82701&View=txt&Chapter 10-05-25&Archive=RotaxEngines
>>>>
>>>>
>>>> ===============================================
>>>> EMail Version of Today's List Digest Archive
>>>> ===============================================
>>>>
>>>>
>>>> ----------------------------------------------------------
>>>> RotaxEngines-List Digest Archive
>>>> ---
>>>> Total Messages Posted Tue 05/25/10: 1
>>>> ----------------------------------------------------------
>>>>
>>>>
>>>> Today's Message Index:
>>>> ----------------------
>>>>
>>>> 1. 01:57 PM - Re: "Burping" The Oil System in the 912 Engine
>>>> (bjones@dmv.com)
>>>>
>>>>
>>>>
>>>> ________________________________ Message 1
>>>> _____________________________________
>>>>
>>>>
>>>> Time: 01:57:05 PM PST US
>>>> Subject: Re: RotaxEngines-List: "Burping" The Oil System in the 912
>>>> Engine
>>>> From: bjones@dmv.com
>>>>
>>>>
>>>> Rotating the prop ONLY in the normal operating direction May be advised
>>>> in
>>>> order to 1. fill oil tank to check oil level properly, 2. prevent
>>>> pushing
>>>> air into oil delivery passages due to turning prop backwards, and 3.
>>>> prevent air from being sucked into oil passages because header tank is
>>>> empty and suction tube might draw air instead of oil. At least these
>>>> are
>>>> the explanations I recall from the Lockwood maint course.
>>>> BJ
>>>> N154K
>>>>
>>>>> Am I correct in my understanding that the only reason Rotax states on
>>>>> page
>>>>> 10-15 of the Operators Manual to rotate the prop several times in the
>>>>> direction of engine rotation until one hears the "burp" or "murmur" in
>>>>> the
>>>>> oil tank is to return oil to the tank to check for the proper level in
>>>>> the
>>>>> tank? Some have inferred that you must do this every time before
>>>>> starting
>>>>> the engine to assure proper lubrication through out the engine. My
>>>>> interpretation of the Rotax instructions on page 10-15 of their
>>>>> Operation
>>>>> Manual is that this is to assure that you have the correct oil level
>>>>> in
>>>>> the tank, and for no other reason.
>>>>>
>>>>> Hugh McKay
>>>>> Allegro 2000
>>>>> Rotax 912 UL
>>>>
>>>>
>>>>
>>>>
>>>>
>>>>
>>>>
>>>>
>>>>
>>>
>>>
>>>
>>>
>>
>>
>>
>>
>>
>
>
>
Message 7
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