Today's Message Index:
----------------------
1. 06:26 AM - Restart the engine after a flight (Max Cointe (Free))
2. 07:08 AM - Re: Restart the engine after a flight (Jonathan@Entry.co.za)
3. 08:20 AM - Re: Restart the engine after a flight (Pete Christensen)
4. 09:06 AM - Re: Restart the engine after a flight (Vernon Mitchell)
5. 04:20 PM - Re: Restart the engine after a flight (Hugh McKay)
6. 08:03 PM - Re: Restart the engine after a flight (Roger Lee)
Message 1
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| Subject: | Restart the engine after a flight |
Hi There All,
I have a 912ULS mounted on an Europa XS with almost 500 hours which runs
perfectly=85 when it runs:
- Cold start is easy and ok even in cold weather (assuming
battery
is correctly charged and can drive the engine to 600 rpm)
- Restart after a 30 minutes stop following a flight is
difficult
with bubbles visible via the overflow tube creating irregular run and
smell
of gasoline. After few (long) seconds it comes back to normal and shows
no
other symptoms.
Any advice?
Max Cointe
<mailto:mcointe@free.fr> mcointe@free.fr
F-PMLH Europa XS_TriGear
Kit #560-2003 912ULS/AirmasterAP332 490 hours
F-PLDJ Dyn=92A=E9ro MCR 4S
Kit #27-2002 912ULSFR/MTProp MTV7A 1600 heures
Message 2
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| Subject: | Re: Restart the engine after a flight |
Hi Max,
Do you have a Return to tank?
I have had the same problem for 500+hrs. I do NOT have a return to tank.
I found it to be a build up of pressure in the fuel line, under the cowl
of my Zenith CH601XLb. (All the heat seems to come out of the engine.)
The fuel pump has a check valve, and hence the fuel will not return on
it's own.
All I do now is switch off the fuel, when taxiing to the hangar, and
when I stop I open the oil filler cowl flap, to let out the hot air. The
lack of fuel in the lines, (used up in the taxi) and the little bit of
extra cooling seems to have helped a lot with this rich start problem.
I also find that if I let it stand for an hour, the problem also goes
away.
Hope this helps
Jonathan
----- Original Message -----
From: Max Cointe (Free)
To: rotaxengines-list@matronics.com
Sent: Monday, December 09, 2013 4:25 PM
Subject: RotaxEngines-List: Restart the engine after a flight
Hi There All,
I have a 912ULS mounted on an Europa XS with almost 500 hours which
runs perfectly. when it runs:
- Cold start is easy and ok even in cold weather (assuming
battery is correctly charged and can drive the engine to 600 rpm)
- Restart after a 30 minutes stop following a flight is
difficult with bubbles visible via the overflow tube creating irregular
run and smell of gasoline. After few (long) seconds it comes back to
normal and shows no other symptoms.
Any advice?
Max Cointe
mcointe@free.fr
F-PMLH Europa XS_TriGear
Kit #560-2003 912ULS/AirmasterAP332 490 hours
F-PLDJ Dyn'A=E9ro MCR 4S
Kit #27-2002 912ULSFR/MTProp MTV7A 1600 heures
Message 3
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| Subject: | Re: Restart the engine after a flight |
Sounds like flooding. I turn off my fuel valve and let it run awhile before
shutting down. Seems to take care of that problem.
Pete
Leander, Tx
On Dec 9, 2013, at 8:25 AM, "Max Cointe (Free)" <mcointe@free.fr> wrote:
> Hi There All,
>
> I have a 912ULS mounted on an Europa XS with almost 500 hours which runs p
erfectly when it runs:
> - Cold start is easy and ok even in cold weather (assuming batter
y is correctly charged and can drive the engine to 600 rpm)
> - Restart after a 30 minutes stop following a flight is difficult
with bubbles visible via the overflow tube creating irregular run and smell
of gasoline. After few (long) seconds it comes back to normal and shows no o
ther symptoms.
> Any advice?
>
> Max Cointe
> mcointe@free.fr
> F-PMLH Europa XS_TriGear
> Kit #560-2003 912ULS/AirmasterAP332 490 hours
>
> F-PLDJ Dyn=99A=C3=A9ro MCR 4S
> Kit #27-2002 912ULSFR/MTProp MTV7A 1600 heures
>
>
>
==========================
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==========================
=========
==========================
=========
==========================
=========
Message 4
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| Subject: | Re: Restart the engine after a flight |
I had the same problem. Balanced the carbs, and all was well.
Vernon.
From: Pete Christensen
Sent: Monday, December 09, 2013 6:20 PM
Subject: Re: RotaxEngines-List: Restart the engine after a flight
Sounds like flooding. I turn off my fuel valve and let it run awhile
before shutting down. Seems to take care of that problem.
Pete
Leander, Tx
On Dec 9, 2013, at 8:25 AM, "Max Cointe (Free)" <mcointe@free.fr> wrote:
Hi There All,
I have a 912ULS mounted on an Europa XS with almost 500 hours which
runs perfectly when it runs:
<!--[if !supportLists]-->- <!--[endif]-->Cold start is easy
and ok even in cold weather (assuming battery is correctly charged and
can drive the engine to 600 rpm)
<!--[if !supportLists]-->- <!--[endif]-->Restart after a 30
minutes stop following a flight is difficult with bubbles visible via
the overflow tube creating irregular run and smell of gasoline. After
few (long) seconds it comes back to normal and shows no other symptoms.
Any advice?
Max Cointe
mcointe@free.fr
F-PMLH Europa XS_TriGear
Kit #560-2003 912ULS/AirmasterAP332 490 hours
F-PLDJ Dyn=99A=C3=A9ro MCR 4S
Kit #27-2002 912ULSFR/MTProp MTV7A 1600 heures
=========
ctric.com
>www.buildersbooks.com
uilthelp.com
otstore.com
matronics.com/contribution
=========
st">http://www.matronics.com/Navigator?RotaxEngines-List
=========
cs.com
=========
Message 5
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| Subject: | Re: Restart the engine after a flight |
Don=92t know your fuel piping situation, but it clearly sounds like you
are flooding the engine. If you have an electric fuel pump in line with
the mechanical pump that is on the engine turn the electric pump off and
try starting the engine using the Rotax start procedure for a hot or
warm engine. Don=92t use the cold engine start procedure.
Hugh G. McKay III, P.E.
Senior Consultant
Worldwide Engineering Inc.
4090 North NC Hwy. 16
Denver, NC 28037
Ph. 704-661-8271
Fax 704-483-5466
email hgmckay@bellsouth.net
http://www.wwegeo.com
From: Vernon Mitchell
Sent: Monday, December 09, 2013 12:05 PM
Subject: Re: RotaxEngines-List: Restart the engine after a flight
I had the same problem. Balanced the carbs, and all was well.
Vernon.
From: Pete Christensen
Sent: Monday, December 09, 2013 6:20 PM
Subject: Re: RotaxEngines-List: Restart the engine after a flight
Sounds like flooding. I turn off my fuel valve and let it run awhile
before shutting down. Seems to take care of that problem.
Pete
Leander, Tx
On Dec 9, 2013, at 8:25 AM, "Max Cointe (Free)" <mcointe@free.fr> wrote:
Hi There All,
I have a 912ULS mounted on an Europa XS with almost 500 hours which
runs perfectly when it runs:
<!--[if !supportLists]-->- <!--[endif]-->Cold start is easy
and ok even in cold weather (assuming battery is correctly charged and
can drive the engine to 600 rpm)
<!--[if !supportLists]-->- <!--[endif]-->Restart after a 30
minutes stop following a flight is difficult with bubbles visible via
the overflow tube creating irregular run and smell of gasoline. After
few (long) seconds it comes back to normal and shows no other symptoms.
Any advice?
Max Cointe
mcointe@free.fr
F-PMLH Europa XS_TriGear
Kit #560-2003 912ULS/AirmasterAP332 490 hours
F-PLDJ Dyn=99A=C3=A9ro MCR 4S
Kit #27-2002 912ULSFR/MTProp MTV7A 1600 heures
=========
ctric.com
>www.buildersbooks.com
uilthelp.com
otstore.com
matronics.com/contribution
=========
st">http://www.matronics.com/Navigator?RotaxEngines-List
=========
cs.com
=========
href="http://www.aeroelectric.com">www.aeroelectric.com
href="http://www.buildersbooks.com">www.buildersbooks.com
href="http://www.homebuilthelp.com">www.homebuilthelp.com
href="http://www.mypilotstore.com">www.mypilotstore.com
href="http://www.mrrace.com">www.mrrace.com
href="http://www.matronics.com/contribution">http://www.matronics.com/c
href="http://www.matronics.com/Navigator?RotaxEngines-List">http://www.
matronics.com/Navigator?RotaxEngines-List
href="http://forums.matronics.com">http://forums.matronics.com
Message 6
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| Subject: | Re: Restart the engine after a flight |
Hi Max,
As someone ask, do you have an electric pump? Are you starting with just a single
pump? Are you using the choke on the second start? What is the idle set for
(after it warms)? Do you apply any throttle during the start? When was the last
time you did a carb sync? What are your plugs gapped at?
These all play an important part and if you can fill in these questions I would
bet we can help.
--------
Roger Lee
Tucson, Az.
Light Sport Repairman - Maintenance Rated
Rotax Repair Center - Heavy Maint. Rated
Home 520-574-1080 TRY HOME FIRST
Cell 520-349-7056
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