Today's Message Index:
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1. 03:56 AM - Re: Re: Gas spill from Bing carb (Lynn Matteson)
2. 02:07 PM - Re: Gas spill from Bing carb (ces308)
3. 02:39 PM - Re: Re: Gas spill from Bing carb (Lynn Matteson)
4. 10:51 PM - Re: Re: Gas spill from Bing carb (Naftali Horowitz)
Message 1
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| Subject: | Re: Gas spill from Bing carb |
Chris-
Why did you have so much accumulation in the catch can that it would
get to the point of blocking off the inlet? It should be emptied at
each 25-30 hour oil change. I will typically get 4-8 ounces in my can
between oil changes.
Lynn Matteson
Kitfox IV Speedster, taildragger
Jabiru 2200, #2062
Sensenich 62"x 55.5 Wood (winter) until the Prince prop arrives
Electroair direct-fire ignition system
Rotec TBI-40 injection
Status: flying...1080+ hrs (since 3-27-2006)
On Jan 29, 2011, at 2:11 AM, ces308 wrote:
>
> Hello all...
>
> I think I need to update the problem I was having....
> Everything I did kept coming up to the same problem....fuel
> pressure going from 3 psi to 7+ psi....we believe it was a blockage
> in the crankcase vent...pressure would start out at 1.5 - 3 lbs and
> after 6-10 minutes of running it would go to 7+ lbs and flood out
> the engine...I think it was what I had in my catch can was freezing
> to the top of my vent tube and blocking it off...when I went back
> and checked temps on the days I had trouble ,it was the days that
> the temps were below 20*...all the other days were over 32*...I
> changed my catch can and enlarged all the tubing to and from the
> can and believe that will take care of my problem..I should have it
> flying again next weekend and will write a report on how it went!
>
> chris ambrose
> M3X/Jabiru A-2200 174.4 hrs ser 1228
> N327CS
>
>
> Read this topic online here:
>
> http://forums.matronics.com/viewtopic.php?p=328885#328885
>
>
Message 2
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| Subject: | Re: Gas spill from Bing carb |
Hi Lynn...
When I took the Brillo pad out last summer because it was getting rotten,I made
a new cup and put wadded up paper toweling in it to soak up the moisture and
it worked great in warm weather...the cup I used also sealed up much better than
the old one,and I added a longer tube coming out of the bottom of the airplane,which
I think was a factor too.You are right,there was never very much liquid
in it,but I think somewhere in that system it was blocking the vent...we'll
know for sure next week !
chris ambrose
M3X/Jabiru A-2200 174.4 hrs ser 1228
N327CS
Read this topic online here:
http://forums.matronics.com/viewtopic.php?p=328938#328938
Message 3
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| Subject: | Re: Gas spill from Bing carb |
Brillo pad? Cup? Sealed up? It sounds like a shallow device. Just for
reference, the one I got from Pete holds about 12-16 ounces, which
was great for the "early hours" on my engine, when it puked about an
ounce per hour into the collection container, like Jabiru says it
should. But recently, since I overhauled my engine and (apparently)
got it operating like an engine should, it only collects about 4-8
ounces in a 25-hour period....an oil change duration for me. Whether
this is due to my re-honing (and new rings) of the cylinder walls, or
the addition of a second crankcase vent (in place of the mechanical
fuel pump), I'm not really sure, but I'm no longer having to add oil
between oil changes, and I'm not collecting as much oil in the
collection bottle.
Getting back to the collection device....mine is made of fiberglass,
is about the size/shape of a 12-16 oz. beer can, and is vented on the
top. I took my "down tube" off since I no longer worry about my "cup
runneth over" ...please excuse the humor....: ) Maybe Jabiru
intended that down-tube to also help draw vapors or whatever out of
the crankcase, but my system works perfectly well without it.
Originally, I think the down-tube was meant to allow the collected
oil to vent overboard if it got too full, rather than overfill and
run down the firewall.
Lynn Matteson
Kitfox IV Speedster, taildragger
Jabiru 2200, #2062
Sensenich 62"x 55.5 Wood (winter) until the Prince prop arrives
Electroair direct-fire ignition system
Rotec TBI-40 injection
Status: flying...1080+ hrs (since 3-27-2006)
On Jan 29, 2011, at 5:04 PM, ces308 wrote:
>
> Hi Lynn...
>
> When I took the Brillo pad out last summer because it was getting
> rotten,I made a new cup and put wadded up paper toweling in it to
> soak up the moisture and it worked great in warm weather...the cup
> I used also sealed up much better than the old one,and I added a
> longer tube coming out of the bottom of the airplane,which I think
> was a factor too.You are right,there was never very much liquid in
> it,but I think somewhere in that system it was blocking the
> vent...we'll know for sure next week !
>
> chris ambrose
> M3X/Jabiru A-2200 174.4 hrs ser 1228
> N327CS
>
>
> Read this topic online here:
>
> http://forums.matronics.com/viewtopic.php?p=328938#328938
>
>
Message 4
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| Subject: | Re: Gas spill from Bing carb |
Hi Lynn=2C
Could you please ellaborate more on the secondary crankcase vent you instal
led in lieu of the mechanical pump?
Sounds interesting.
Thanks=2C
Naftali.
> From: lynnmatt@jps.net
> Subject: Re: JabiruEngine-List: Re: Gas spill from Bing carb
> Date: Sat=2C 29 Jan 2011 17:37:13 -0500
> To: jabiruengine-list@matronics.com
>
>
> Brillo pad? Cup? Sealed up? It sounds like a shallow device. Just for
> reference=2C the one I got from Pete holds about 12-16 ounces=2C which
> was great for the "early hours" on my engine=2C when it puked about an
> ounce per hour into the collection container=2C like Jabiru says it
> should. But recently=2C since I overhauled my engine and (apparently)
> got it operating like an engine should=2C it only collects about 4-8
> ounces in a 25-hour period....an oil change duration for me. Whether
> this is due to my re-honing (and new rings) of the cylinder walls=2C or
> the addition of a second crankcase vent (in place of the mechanical
> fuel pump)=2C I'm not really sure=2C but I'm no longer having to add oil
> between oil changes=2C and I'm not collecting as much oil in the
> collection bottle.
>
> Getting back to the collection device....mine is made of fiberglass=2C
> is about the size/shape of a 12-16 oz. beer can=2C and is vented on the
> top. I took my "down tube" off since I no longer worry about my "cup
> runneth over" ...please excuse the humor....: ) Maybe Jabiru
> intended that down-tube to also help draw vapors or whatever out of
> the crankcase=2C but my system works perfectly well without it.
> Originally=2C I think the down-tube was meant to allow the collected
> oil to vent overboard if it got too full=2C rather than overfill and
> run down the firewall.
>
>
> Lynn Matteson
> Kitfox IV Speedster=2C taildragger
> Jabiru 2200=2C #2062
> Sensenich 62"x 55.5 Wood (winter) until the Prince prop arrives
> Electroair direct-fire ignition system
> Rotec TBI-40 injection
> Status: flying...1080+ hrs (since 3-27-2006)
>
>
>
>
> On Jan 29=2C 2011=2C at 5:04 PM=2C ces308 wrote:
>
> >
> > Hi Lynn...
> >
> > When I took the Brillo pad out last summer because it was getting
> > rotten=2CI made a new cup and put wadded up paper toweling in it to
> > soak up the moisture and it worked great in warm weather...the cup
> > I used also sealed up much better than the old one=2Cand I added a
> > longer tube coming out of the bottom of the airplane=2Cwhich I think
> > was a factor too.You are right=2Cthere was never very much liquid in
> > it=2Cbut I think somewhere in that system it was blocking the
> > vent...we'll know for sure next week !
> >
> > chris ambrose
> > M3X/Jabiru A-2200 174.4 hrs ser 1228
> > N327CS
> >
> >
> >
> >
> > Read this topic online here:
> >
> > http://forums.matronics.com/viewtopic.php?p=328938#328938
> >
> >
> >
> >
> >
> >
> >
> >
> >
> >
>
>
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