Today's Message Index:
----------------------
1. 04:51 AM - Engine rotating backwards (Catz631@aol.com)
2. 05:02 AM - Re: Magnetic Plugs (Thom Riddle)
3. 06:34 AM - Re: Magnetic Plugs (Ivor Phillips)
4. 07:49 AM - Re: Engine rotating backwards (Noel Loveys)
5. 08:30 AM - Re: Engine rotating backwards (rampil)
6. 08:46 AM - Re: Re: Engine rotating backwards (David Key)
Message 1
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| Subject: | Engine rotating backwards |
Yesterday at engine shutdown my 912UL rotated 3 revolutions backwards. It
sounded just like an old car with engine runon when you shut it down (ie; it had
a knocking/pinging sound)
The outside airtemp was about 70 degrees .The water and oil temps were
normal.The indicated engine rpm was 2000 at shutdown. The only thing that I can
think of that might have caused it was the fuel.It was car gas about two months
old and 87 octane which I keep in a 30 gal bowser. The plane (Kitfox)had been
down for two months for various mods on my aircraft.
I called Lockwood and they recommend I purge the oil system for possible
induced air in the system. The tech had never heard of this happening. I will
purge the system and check the valve clerances and have also bought some fresh
high test auto fuel to try to see if that helps.
Has anybody ever had this happen?
Dick Maddux
Kitfox4-1200
Rotax912UL
Pensacola,Fl
**************Need a new ride? Check out the largest site for U.S. used car
listings at AOL Autos.
(http://autos.aol.com/used?NCID=aolcmp00300000002851)
Message 2
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| Subject: | Re: Magnetic Plugs |
Roger,
My illustrated parts catalog in pdf format shows a part number for the
magnetic plug to be 241785. Searching on this number or the
description finds nothing on CPS's on-line catalog. I went to LEAF's
online catalog and searched on "magnetic drain plug" and came up with
a part number 241784 but no illustration to see if this is the new one
or the older internal Torqx style. LEAF's listed price for 241784 is
about $37.
Do you have the correct part number for the new external hex head
magnetic plug?
Thom in Buffalo
Message 3
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Part number is 241-785 and is priced at 24.53 sterling about$50
-----Original Message-----
From: owner-rotaxengines-list-server@matronics.com
[mailto:owner-rotaxengines-list-server@matronics.com] On Behalf Of Thom
Riddle
Sent: 30 April 2008 13:00
Subject: Re: RotaxEngines-List: Magnetic Plugs
<riddletr@gmail.com>
Roger,
My illustrated parts catalog in pdf format shows a part number for the
magnetic plug to be 241785. Searching on this number or the
description finds nothing on CPS's on-line catalog. I went to LEAF's
online catalog and searched on "magnetic drain plug" and came up with
a part number 241784 but no illustration to see if this is the new one
or the older internal Torqx style. LEAF's listed price for 241784 is
about $37.
Do you have the correct part number for the new external hex head
magnetic plug?
Thom in Buffalo
Message 4
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| Subject: | Engine rotating backwards |
I've seen it happen to other engines and I think you hit the nail on the
head with your assessment of old fuel. The pinging is another give away.
Noel
From: owner-rotaxengines-list-server@matronics.com
[mailto:owner-rotaxengines-list-server@matronics.com] On Behalf Of
Catz631@aol.com
Sent: Wednesday, April 30, 2008 9:19 AM
Subject: RotaxEngines-List: Engine rotating backwards
Yesterday at engine shutdown my 912UL rotated 3 revolutions backwards. It
sounded just like an old car with engine runon when you shut it down (ie; it
had a knocking/pinging sound)
The outside airtemp was about 70 degrees .The water and oil temps were
normal.The indicated engine rpm was 2000 at shutdown. The only thing that I
can think of that might have caused it was the fuel.It was car gas about two
months old and 87 octane which I keep in a 30 gal bowser. The plane
(Kitfox)had been down for two months for various mods on my aircraft.
I called Lockwood and they recommend I purge the oil system for possible
induced air in the system. The tech had never heard of this happening. I
will purge the system and check the valve clerances and have also bought
some fresh high test auto fuel to try to see if that helps.
Has anybody ever had this happen?
Dick Maddux
Kitfox4-1200
Rotax912UL
Pensacola,Fl
_____
Need a new ride? Check out the largest site for U.S. used car listings at
AOL Autos <http://autos.aol.com/used?NCID=aolcmp00300000002851> .
Message 5
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| Subject: | Re: Engine rotating backwards |
Are you really sure the prop went backwards? Could it have been
an optical illusion? Backwards rotation should not be possible in a
mechanically sound engine.
Do purge the oil system of air anyway!
--------
Ira N224XS
Read this topic online here:
http://forums.matronics.com/viewtopic.php?p=180262#180262
Message 6
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| Subject: | Re: Engine rotating backwards |
Just turn the plane around.> Subject: RotaxEngines-List: Re: Engine rotatin
g backwards> From: ira.rampil@gmail.com> Date: Wed, 30 Apr 2008 08:27:20 -0
700> To: rotaxengines-list@matronics.com> > --> RotaxEngines-List message p
osted by: "rampil" <ira.rampil@gmail.com>> > Are you really sure the prop w
ent backwards? Could it have been> an optical illusion? Backwards rotation
should not be possible in a > mechanically sound engine.> > Do purge the oi
l system of air anyway!> > --------> Ira N224XS> > > > > Read this topic on
line here:> > http://forums.matronics.com/viewtopic.php?p=180262#180262>
=========> > >
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