Today's Message Index:
----------------------
1. 04:56 AM - Re: Bing 64 Idle circuit inlet aperture drilling 3300A (Thom Riddle)
2. 05:13 AM - Re: Re: Bing 64 Idle circuit inlet aperture drilling 3300A (ednan1@aol.com)
3. 01:03 PM - Re: Bing 64 Idle circuit inlet aperture drilling 3300A (Thruster87)
4. 05:22 PM - 10 bar cooler (MHerder)
Message 1
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| Subject: | Re: Bing 64 Idle circuit inlet aperture drilling 3300A |
T87,
First, the Bing fitted to Jabiru engines (2200 and 3300) is a 94. The 64 is used
on Rotax 912 series engines.
Which jet drilled out to 1.6 mm are you talking about? Some folks have enlarged
the idle AIR inlet as part of the "economy tuning kit" installation, some have
enlarged the jet in the bottom corner of the float bowl.
If your question about the idle screw refers to the idle MIXTURE screw on the bottom
of the carb, for winter weather it should be turned out about 1 to 1.25
turns from gentle stop. Turning out enriches mixture. For summer temps, a good
starting point is about 3/4 turn out (a bit leaner than winter).
Thom Riddle
https://sites.google.com/site/riddletr/a&pmechanix
--------
Thom Riddle
Buffalo, NY (9G0)
Kolb Slingshot SS-021
Jabiru 2200A #1574
Tennessee Prop 64x32
Truth is what stands the test of experience.
- Albert Einstein
Read this topic online here:
http://forums.matronics.com/viewtopic.php?p=361663#361663
Message 2
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| Subject: | Re: Bing 64 Idle circuit inlet aperture drilling |
3300A
Hi Thom, I'm no longer interested in the JabiruEngine. Thanks anyway.
-----Original Message-----
From: Thom Riddle <riddletr@gmail.com>
Sent: Mon, Dec 26, 2011 7:56 am
Subject: JabiruEngine-List: Re: Bing 64 Idle circuit inlet aperture drillin
g 3300A
T87,
First, the Bing fitted to Jabiru engines (2200 and 3300) is a 94. The 64 is
used
n Rotax 912 series engines.
Which jet drilled out to 1.6 mm are you talking about? Some folks have enla
rged
he idle AIR inlet as part of the "economy tuning kit" installation, some ha
ve
nlarged the jet in the bottom corner of the float bowl.
If your question about the idle screw refers to the idle MIXTURE screw on t
he
ottom of the carb, for winter weather it should be turned out about 1 to 1.
25
urns from gentle stop. Turning out enriches mixture. For summer temps, a go
od
tarting point is about 3/4 turn out (a bit leaner than winter).
Thom Riddle
ttps://sites.google.com/site/riddletr/a&pmechanix
--------
hom Riddle
uffalo, NY (9G0)
olb Slingshot SS-021
abiru 2200A #1574
ennessee Prop 64x32
Truth is what stands the test of experience.
Albert Einstein
ead this topic online here:
http://forums.matronics.com/viewtopic.php?p=361663#361663
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Message 3
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| Subject: | Re: Bing 64 Idle circuit inlet aperture drilling 3300A |
Thom Riddle wrote:
> T87,
>
> First, the Bing fitted to Jabiru engines (2200 and 3300) is a 94. The 64 is used
on Rotax 912 series engines.
>
> Which jet drilled out to 1.6 mm are you talking about? Some folks have enlarged
the idle AIR inlet as part of the "economy tuning kit" installation, some have
enlarged the jet in the bottom corner of the float bowl.
>
> If your question about the idle screw refers to the idle MIXTURE screw on the
bottom of the carb, for winter weather it should be turned out about 1 to 1.25
turns from gentle stop. Turning out enriches mixture. For summer temps, a good
starting point is about 3/4 turn out (a bit leaner than winter).
>
> Thom Riddle
> https://sites.google.com/site/riddletr/a&pmechanix
As per Jabiru Service Bulletin JSB 018-2. Which states that
As standard the inlet to idle jet circuit is too small and does not flow enough
air.Cheers
Read this topic online here:
http://forums.matronics.com/viewtopic.php?p=361685#361685
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Just wanted to say that I'm extremely happy with the install of my 10 bar aeroclassics
cooler on my jab 3300. I'm flying a zodiac 601 HD in Texas, we had record
heat this year. With my 10 bar cooler, at 108 degrees f the engine ran within
it's parameters right at 210. I did have to open the oil cooler cowl opening
about 3/4" to accomodate the extra depth, but if done carefully the FG/bondo
work is minimal. Just makea clean cut down the middle, on both sides, open
it up 3/4" or so and then glass it in.
I will say that I could have spent more time tweaking every single baffle seal,
cooler duct and working more magic, but in the end... The 10 bar cooler was an
acceptable solution and the temps are very cool even in extreme conditions.
I'd at least recommend looking into it if you're likely to encounter temps over
95 degrees for a while. That's my pirep. I can't say that if I'd have screwed
around with it for another 10 hrs of flight testing I couldn't have gotten
the temps down, just that installing the 10 bar was probably easier, and gives
a better margin for even worse conditions. i.e. flying to OSH in late July
from Texas while heavy.
Now I'm working on getting better cold starts, but I at least think I know what
the issues are. I enrichend the idle mix today and made sure the throttle was
closing fully. It has made a difference so far. BUt I wont know until I let
the engine get cold again and try tomorrow. After all, the 3300 never has a
prob starting if its even "kind of" warm. 95 hrs and very happy so far. The
Jab just takes a little tweaking and the understanding that this is experimental,
so experiment (a little) or to your own level of comfort.
--------
Zodiac 601 HD
Jabiru 3300
Wood Sensinich 64x47
Finally Flying
Read this topic online here:
http://forums.matronics.com/viewtopic.php?p=361694#361694
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