Today's Message Index:
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1. 04:26 AM - Re oil level etc (gtblu)
2. 04:26 AM - Re oil level etc (gtblu)
3. 04:26 AM - Re oil level etc (gtblu)
4. 05:00 AM - RotaxEngines Parts (Tommy Walker)
5. 03:24 PM - Re: Re : oil level (Tommy Walker)
6. 09:02 PM - Re: Re: Re : oil level ()
7. 10:14 PM - oil and starting problems (gtblu)
Message 1
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| Subject: | Re oil level etc |
Just for information on this oil issue I recount what happened to my rotax
912 uls. It developed an increasingly violent vibration between 4000 and
5000 revs that became so rough it would run up through the seat and vibrate
my legs. Point is that it turned out to be a spacer in the gearbox had
shattered and all the metal ended up in the oil tank which is a separate
container. What is remarkable is that all the metal was sucked past the
magnet that has been mentioned on the base of the sump and was contained
within the bottom of the scavenger tank. This is now an effective way to
test to see if any other metal is around by extracting the tank, tipping the
oil into a clean container, checking the base of the tank, then putting the
oil back as it has only done ten hours since this all occurred. TT for
engine incidentally is 578 hours and the cause of the shim breaking up was
probably due to the shims in the gearbox being installed the wrong way
round.
As far as checking the oil and overfilling the tank, if the gurgle has
occurred there cannot be any more oil hidden anywhere in a cold engine so
that should surely be the best time to check. It also gives an opportunity
to feel if the engine is turning over properly before starting??
Regards
GT
Message 2
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| Subject: | Re oil level etc |
Just for information on this oil issue I recount what happened to my rotax
912 uls. It developed an increasingly violent vibration between 4000 and
5000 revs that became so rough it would run up through the seat and vibrate
my legs. Point is that it turned out to be a spacer in the gearbox had
shattered and all the metal ended up in the oil tank which is a separate
container. What is remarkable is that all the metal was sucked past the
magnet that has been mentioned on the base of the sump and was contained
within the bottom of the scavenger tank. This is now an effective way to
test to see if any other metal is around by extracting the tank, tipping the
oil into a clean container, checking the base of the tank, then putting the
oil back as it has only done ten hours since this all occurred. TT for
engine incidentally is 578 hours and the cause of the shim breaking up was
probably due to the shims in the gearbox being installed the wrong way
round.
As far as checking the oil and overfilling the tank, if the gurgle has
occurred there cannot be any more oil hidden anywhere in a cold engine so
that should surely be the best time to check. It also gives an opportunity
to feel if the engine is turning over properly before starting??
Regards
GT
Message 3
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| Subject: | Re oil level etc |
Just for information on this oil issue I recount what happened to my rotax
912 uls. It developed an increasingly violent vibration between 4000 and
5000 revs that became so rough it would run up through the seat and vibrate
my legs. Point is that it turned out to be a spacer in the gearbox had
shattered and all the metal ended up in the oil tank which is a separate
container. What is remarkable is that all the metal was sucked past the
magnet that has been mentioned on the base of the sump and was contained
within the bottom of the scavenger tank. This is now an effective way to
test to see if any other metal is around by extracting the tank, tipping the
oil into a clean container, checking the base of the tank, then putting the
oil back as it has only done ten hours since this all occurred. TT for
engine incidentally is 578 hours and the cause of the shim breaking up was
probably due to the shims in the gearbox being installed the wrong way
round.
As far as checking the oil and overfilling the tank, if the gurgle has
occurred there cannot be any more oil hidden anywhere in a cold engine so
that should surely be the best time to check. It also gives an opportunity
to feel if the engine is turning over properly before starting??
Regards
GT
Message 4
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| Subject: | RotaxEngines Parts |
Yikes,
I felt like I was buying parts for my old Continental. A Bent Tube Assy on
the Bing Carbs on my 912 broke. I think it was cracked from the beginning.
It is a simple piece of tubing about 4 inches long with an inside and
outside thread on either end.
Cost: $35.53 U.S.
Ouch!
Tommy Walker in Alabama
Do Not Archive
Message 5
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| Subject: | Re: Re : oil level |
--> RotaxEngines-List message posted by: "Tommy Walker" <twalker@cableone.net>
I was re-reading the P. Lockwood article in the EAA Sport Pilot Mag today (it is
either the November or December 2005 issue) regarding checking oil level in
the 912 when the engine has just been shut down.
He said wait 20 minutes for the oil to collect in the crankcase, then turn the
prop and listen for the gurgle in the reservoir....
For what it's worth.
Tommy Walker in Alabama
Do Not Archive
--------
Tommy Walker
Read this topic online here:
http://forums.matronics.com/viewtopic.php?p=39036#39036
Message 6
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| Subject: | Re: Re : oil level |
--> RotaxEngines-List message posted by: <rparigor@suffolk.lib.ny.us>
"I was re-reading the P. Lockwood article in the EAA Sport Pilot Mag today
(it is either the November or December 2005 issue) regarding checking oil
level in the 912 when the engine has just been shut down.
>
> He said wait 20 minutes for the oil to collect in the crankcase, then turn the
prop and listen for the gurgle in the reservoir...."
Listen to Ronnie
He says if you flip prop just after shut down, a glowing amber of carbon
can ruin your day:
http://www.ultraflightradio.com/
Ronnie Smith, South Mississippi Light Aircraft
The Rotax 912 series of engines is becoming very common to a lot of light
sport aircraft from airplanes and gyroplanes to trikes and powered
parachutes. Ronnie talks about how to preflight these engines. Ronnie is
also here to answer your four stroke and two stroke light aircraft engine
questions. Do you have any engine questions? When the show is live, call
your questions in at (888) 514-2100 or you can IM them in on AOL or Yahoo
Instant Messenger to UFRadio. South Mississippi Light Aircraft. (5/30/06)
Ron Parigoris
Message 7
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| Subject: | oil and starting problems |
Isnt the oil sucked out of the crankcase not pushed out with air pressure??
On another issue
I am suddenly having a starting issue and have read that choke on instigates
a starting sequence that ensures starting. Does any one know what this
sequence or configuration actually is? Starting with no throttle, and full
choke has always worked but lately I seem to need more throttle to start,
and the last two starts had to turn the fuel cock off and full throttle
before it sprang into life. It seems to be rich, but whats changed??
Regards
GtBlu
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