Today's Message Index:
----------------------
1. 06:09 AM - Re: Help with Economy tuning kit issues (Dick Cleavinger)
2. 05:49 PM - Re: Help with Economy tuning kit issues (DaveG601XL)
3. 07:23 PM - Re: Help with Economy tuning kit issues (Keith Pickford)
4. 11:20 PM - Re: Help with Economy tuning kit issues (James, Clive R)
Message 1
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| Subject: | Re: Help with Economy tuning kit issues |
An engine preheater works wonders. Tannis has a good one for the 3300.
n213rc@gmail.com
Lightning #42
On Sat, Apr 18, 2009 at 1:11 PM, Jeffrey J Paris <jeffrey-j-paris@excite.com
> wrote:
> Dear Jab Engine Wonks,
>
> Recently I installed the economy tuning kit in our carb after attending
> Jabiru USA's engine seminar. Pretty easy and straightforward, but I am
> having trouble starting the engine when the engine is cold, it just seems
> it isn't getting enough fuel.
>
> To get it going I have had to leave my boost pump on and I really have to
> manage the choke and throttle or it won't start, while I'm juggling these
> tasks the engine will catch cough and quit, eventually it starts and runs
> fine. After the engine has been run and as long as it's pretty warm it
> starts like it should. The only thing that is different in flight is the
> fact that I'm getting lower fuel reads in terms of fuel burn.
>
> My Jab used to start on about what seemed the 3rd turn of the prop and run
> quite well from there on, I'm getting the feeling that if it wasn't broken
> don't fix it, however, I needed to put in the ethanol resistant floats and
> the economy kit presentation during the seminar helped convince me that a
> smoother fuel curve over the wide range of throttle settings might help some
> CHT issues that I have had in climb and in cruise. The soot from my exhaust
> pipes is a nice brown and not a velvety black soot.
>
> As of today I again have enrichened the mixture and I re-adjusted the new
> ethanol resistant float to increase my fuel level in the carby. Still I was
> not able to start my engine and I soon ran the battery to about 10 volts and
> that won't spin the engine fast enough to get ignition. I've gone over my
> cables inspected the whole engine and I don't know what to do to solve the
> problem, and I'm getting a wee bit tired of going over my engine
> compartment.
>
> Your advice and expertise are greatly appreciated.
>
> Sincerely,
>
> Jeff Paris JAB 3300 with valves. (old school)
> ------------------------------
> Lawyers<http://tagline.excite.com/fc/FgElN1g4tcKsM841pfcCni6AmIrhPzNB4zESlCaiUgo7r4Kize21hCOOXC4/> Need
> legal advice? Click here to find a top notch lawyer.<http://tagline.excite.com/fc/FgElN1g4tcKsM841pfcCni6AmIrhPzNB4zESlCaiUgo7r4Kize21hCOOXC4/> Click
> Here For More Information<http://tagline.excite.com/fc/FgElN1g4tcKsM841pfcCni6AmIrhPzNB4zESlCaiUgo7r4Kize21hCOOXC4/>
>
>
> *
>
> *
>
>
Message 2
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| Subject: | Re: Help with Economy tuning kit issues |
Jeff,
I have seen a similar issue on a different engine, but with the same Bing carb,
that all of a sudden, became hard to start. It became difficult to start, but
would run fine if it could be started. The owner eventually found a bit of
debris in the start circuit fuel tube. When this was throughly cleaned out, no
more start problems.
Hope this helps,
--------
David Gallagher
601 XL/Jabiru 3300
First flight 7/24/08
70 hours and climbing!
Read this topic online here:
http://forums.matronics.com/viewtopic.php?p=240203#240203
Message 3
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| Subject: | Re: Help with Economy tuning kit issues |
Have you checked your coil gaps? -It certainly sounds like a fuel problem
but if the coil gaps are too wide it certainly causes starting problems
-
Regards
Keith
-
Jab 160
--- On Mon, 20/4/09, Dick Cleavinger <n213rc@gmail.com> wrote:
From: Dick Cleavinger <n213rc@gmail.com>
Subject: Re: JabiruEngine-List: Help with Economy tuning kit issues
Received: Monday, 20 April, 2009, 1:08 AM
An engine preheater works wonders.- Tannis has a good one for the 3300.
n213rc@gmail.com
Lightning #42
On Sat, Apr 18, 2009 at 1:11 PM, Jeffrey J Paris <jeffrey-j-paris@excite.co
m> wrote:
Dear Jab Engine Wonks,
Recently I installed the economy tuning kit in our carb after attending Jab
iru USA's engine seminar. Pretty easy and straightforward, but I am -havi
ng trouble starting the engine when the engine is cold, it just seems it is
n't getting enough fuel.-
To get it going I have had to leave my boost pump on and I really have to m
anage the choke and throttle or it won't start, while I'm juggling these ta
sks the engine will catch cough and quit, eventually it starts and runs fin
e. -After the engine has been run and as long as it's pretty warm it star
ts like it should. The only thing that is different in flight is the fact t
hat I'm getting lower fuel reads in terms of fuel burn.
-My Jab used to start on about what seemed the 3rd turn of the prop and r
un quite well from there on, I'm getting the feeling that if it wasn't brok
en don't fix it, however, I needed to put in the ethanol resistant floats a
nd the economy kit presentation during the seminar helped convince me that
a smoother fuel curve over the wide range of throttle settings might help s
ome CHT issues that I have had in climb and in cruise. -The soot from my
exhaust pipes is a nice brown and not a velvety black soot.-
As of today I again have enrichened the mixture and -I re-adjusted the ne
w ethanol resistant float -to increase my fuel level in the carby. Still
I was not able to start my engine and I soon ran the battery to about 10 vo
lts and that won't spin the engine fast enough to get ignition. -I've gon
e over my cables inspected the whole engine and I don't know what to do to
solve the problem, and I'm getting a wee bit tired of going over my engine
compartment.-
Your advice and expertise are greatly appreciated.
Sincerely,
Jeff Paris -JAB 3300 with valves. (old school)
--
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ist" target="_blank">http://www.matronics.com/Navigator?JabiruEngine-List
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Message 4
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| Subject: | Help with Economy tuning kit issues |
I was surprised at the sensitivity of the coil gaps, there were a factor
in improving two aircraft at my hangar.
Plug gaps can also be closed on one set to improve starting when
cranking seems to be the issue.
The symptoms you describe are just as we experience with one 3300 in the
cold weather (UK). One thing we find helps is many hand props to suck
fuel out the starting jet (fuel pump run first to top up bowl).
Fact is the starting system is too lean as you rightly observe which
makes everything else critical.
Have fun, we did.
Regards, Clive
P.S. you have put the earth cable on the forward end of the starter
motor mount bolt? Under the bolt head, also a worthwhile exercise.
________________________________
From: owner-jabiruengine-list-server@matronics.com
[mailto:owner-jabiruengine-list-server@matronics.com] On Behalf Of Keith
Pickford
Sent: 20 April 2009 03:23
Subject: Re: JabiruEngine-List: Help with Economy tuning kit issues
Have you checked your coil gaps? It certainly sounds like a fuel
problem but if the coil gaps are too wide it certainly causes starting
problems
Regards
Keith
Jab 160
--- On Mon, 20/4/09, Dick Cleavinger <n213rc@gmail.com> wrote:
From: Dick Cleavinger <n213rc@gmail.com>
Subject: Re: JabiruEngine-List: Help with Economy tuning kit
issues
To: jabiruengine-list@matronics.com
Received: Monday, 20 April, 2009, 1:08 AM
An engine preheater works wonders. Tannis has a good one for
the 3300.
n213rc@gmail.com
Lightning #42
On Sat, Apr 18, 2009 at 1:11 PM, Jeffrey J Paris
<jeffrey-j-paris@excite.com> wrote:
Dear Jab Engine Wonks,
Recently I installed the economy tuning kit in our carb
after attending Jabiru USA's engine seminar. Pretty easy and
straightforward, but I am having trouble starting the engine when the
engine is cold, it just seems it isn't getting enough fuel.
To get it going I have had to leave my boost pump on and
I really have to manage the choke and throttle or it won't start, while
I'm juggling these tasks the engine will catch cough and quit,
eventually it starts and runs fine. After the engine has been run and
as long as it's pretty warm it starts like it should. The only thing
that is different in flight is the fact that I'm getting lower fuel
reads in terms of fuel burn.
My Jab used to start on about what seemed the 3rd turn
of the prop and run quite well from there on, I'm getting the feeling
that if it wasn't broken don't fix it, however, I needed to put in the
ethanol resistant floats and the economy kit presentation during the
seminar helped convince me that a smoother fuel curve over the wide
range of throttle settings might help some CHT issues that I have had in
climb and in cruise. The soot from my exhaust pipes is a nice brown and
not a velvety black soot.
As of today I again have enrichened the mixture and I
re-adjusted the new ethanol resistant float to increase my fuel level
in the carby. Still I was not able to start my engine and I soon ran the
battery to about 10 volts and that won't spin the engine fast enough to
get ignition. I've gone over my cables inspected the whole engine and I
don't know what to do to solve the problem, and I'm getting a wee bit
tired of going over my engine compartment.
Your advice and expertise are greatly appreciated.
Sincerely,
Jeff Paris JAB 3300 with valves. (old school)
________________________________
Lawyers
<http://tagline.excite.com/fc/FgElN1g4tcKsM841pfcCni6AmIrhPzNB4zESlCaiUg
o7r4Kize21hCOOXC4/>
Need legal advice? Click here to find a top notch lawyer.
<http://tagline.excite.com/fc/FgElN1g4tcKsM841pfcCni6AmIrhPzNB4zESlCaiUg
o7r4Kize21hCOOXC4/>
Click Here For More Information
<http://tagline.excite.com/fc/FgElN1g4tcKsM841pfcCni6AmIrhPzNB4zESlCaiUg
o7r4Kize21hCOOXC4/>
ist"
target="_blank">http://www.matronics.com/Navigator?JabiruEngine-List
ttp://forums.matronics.com
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