Today's Message Index:
----------------------
1. 11:27 AM - Electroair direct fire ignition system in a Jabiru 2200 (Lynn Matteson)
2. 06:01 PM - A question about parts? (Jeffrey J Paris)
3. 06:52 PM - Cobra Head/airbox connection to the carby (Jeff)
4. 07:04 PM - Re: Cobra Head/airbox connection to the carby (steve)
5. 07:56 PM - Re: Cobra Head/airbox connection to the carby (Ron Shannon)
6. 08:35 PM - Re: Cobra Head/airbox connection to the carby (Marin Streeter)
7. 09:25 PM - Re: Cobra Head/airbox connection to the carby (Craig Payne)
Message 1
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| Subject: | Electroair direct fire ignition system in a Jabiru |
2200
Here's the info on the Electroair direct fire ignition
(www.electroair.net) system that I installed on my Jabiru 2200 engine
in my Kitfox. First off, some history....why did I go with an after-
market ignition system instead of the stock Jabiru ignition?....I
thought there might be a better/more modern way to fire the plugs
than the old system, and I became tired of having to change rotors
after the recommended 200 hours of use. Also, I was reluctant
(stubborn) to glue the rotors on as recommended. After having found
that it was indeed necessary to glue them on, and having some success
using that method, I decided...during a rebuild of the engine...that
I would leave all the distributor components off when reassembling
the engine, and go with the Electroair direct fire system.
Electroair had begun development on a component to replace one of the
Jabiru distributors. This would retain the other distributor as the
other half of the redundant ignition system. I, being stubborn,
wanted to do away completely with the Jabiru ignition, and asked
Electroair if they would design a system that would use a trigger
wheel and two magnetic pickups, similar to their 6-cylinder engine
systems. They would do this, but I had to make my own bracket to hold
the two pickups, as they did not have access to a Jabiru engine for
designing the prototype bracket. I agreed to this and ordered the
ignition kit.
To make a long story short (and to create some drama for a possible
future magazine article), I got the system installed, and it is
working beautifully. There were some minor "growing pains" as we
sorted out some installation issues, but these are in the past, and I
am now flying with the assurance that I won't be bothered down the
road with loose rotors, loose distributor caps, leaking distributor
shaft seals, and scored shafts that I have experienced in the past.
The kit originally arrived weighing about 13 lbs, and by cutting the
harnesses and spark plug wires to a more suitable length for my
airplane, I got the weight down to about 11 lbs. I removed the Jabiru
distributors, drive gears, caps, rotors, coils, and plug wires,
totaling exactly 5 lbs. So the increase in weight for the Electroair
system was about 6 lbs...a small weight penalty for such a modern
dependable ignition system, and one that allows for future ignition
modifications as well, which I will be looking into.
Lynn Matteson
Kitfox IV Speedster
Jabiru 2200, 578hrs
Sensenich 62x46
flying again after rebuild, and new Electroair direct-fire ignition
system
Message 2
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| Subject: | A question about parts? |
Dear Jabiru Listers,I'm getting prepared to do our annual aircraft inspectio
n on my Zenith Zodiac CH601XL powered by a capable Jabiru 3300. =C2-I was
wondering where is the best place to get a new set of rotors, distributer ca
ps and spark plug leads. We now have 230 hours on the airplane and engine.My
Son contacted Jabiru but I think the prices they are offering are a =C2-w
ee bit high, I may be wrong, but I thought I'd throw it out there and see wh
at advice you Jabiru wonks could add. =C2-I am also looking for accurate p
art #'s so if I go to a local supplier I'm assured that I'm getting =C2-th
e right parts.Thank you for yur time and cionsideration.Sincerely,Pete Paris
=C2-
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Message 3
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| Subject: | Cobra Head/airbox connection to the carby |
JabiruUSA doesn't seem to have a source for the recommended smooth air elbow
recommended from the airbox to the carby intake. Does anyone have a source?
My local auto parts stores just looked at me when I told them I just wanted
to look through their hose selections to find one. Seems if you can't tell
them what car it goes on, you are out of luck .. It is 2 and one quarter
inch inside diameter in a 90 degree elbow. This may or may not be the part
they refer to as the Cobra Head. Obviously, one did not come with my FWF
kit, just scat hose. Thanks ..
Jeff
Message 4
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| Subject: | Re: Cobra Head/airbox connection to the carby |
intakehoses dot com
----- Original Message -----
From: Jeff
To: jabiruengine-list@matronics.com
Sent: Tuesday, October 21, 2008 6:49 PM
Subject: JabiruEngine-List: Cobra Head/airbox connection to the carby
JabiruUSA doesn't seem to have a source for the recommended smooth air
elbow recommended from the airbox to the carby intake. Does anyone have
a source? My local auto parts stores just looked at me when I told them
I just wanted to look through their hose selections to find one. Seems
if you can't tell them what car it goes on, you are out of luck .. It
is 2 and one quarter inch inside diameter in a 90 degree elbow. This
may or may not be the part they refer to as the Cobra Head. Obviously,
one did not come with my FWF kit, just scat hose. Thanks ..
Jeff
Message 5
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| Subject: | Re: Cobra Head/airbox connection to the carby |
The hose geometry will depend on each airframe and FWF layout, of course,
but FWIW, on my Murphy Rebel, with the std. mixer box mounted straight back
of the engine and high, a Gates brand #20748 radiator hose fitting works
well for turning the corner. The turn is a little wider than 90 deg.,
perhaps 105-110 deg. Another short piece of straight 2.25" hose completes
the run up to a bottom exit from the mixer box.
A photo is at at http://n254mr.com/node/572 . There's a lot of stuff in the
way in this photo, including Magnecor plug wires dangling about, but you ca
n
get the idea. It's an AeroCarb installation, but the Bing intake geometry
would be much the same.
Ron
On Tue, Oct 21, 2008 at 6:49 PM, Jeff <jeffrey_davidson@earthlink.net>wrote
:
>
>
> JabiruUSA doesn't seem to have a source for the recommended smooth air
> elbow recommended from the airbox to the carby intake. Does anyone have
a
> source? My local auto parts stores just looked at me when I told them I
> just wanted to look through their hose selections to find one. Seems if
you
> can't tell them what car it goes on, you are out of luck =85. It is 2 a
nd
> one quarter inch inside diameter in a 90 degree elbow. This may or may n
ot
> be the part they refer to as the Cobra Head. Obviously, one did not come
> with my FWF kit, just scat hose. Thanks =85.
>
> Jeff
>
>
Message 6
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| Subject: | Cobra Head/airbox connection to the carby |
Jeff
I placed mine right behind the engine and have a straight hose into it.
I
will be ordering my hose from this web site that has the hose you need.
http://vibrantperformance.com/catalog/index.php?cPath=1022_1036
<http://vibrantperformance.com/catalog/index.php?cPath=1022_1036&osCsid
=83b8
c2a0e6b04cdac7cc52e4a45c0749> &osCsid=83b8c2a0e6b04cdac7cc52e4a45c0749
Marin
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-----Original Message-----
From: owner-jabiruengine-list-server@matronics.com
[mailto:owner-jabiruengine-list-server@matronics.com] On Behalf Of Jeff
Sent: Tuesday, October 21, 2008 6:50 PM
Subject: JabiruEngine-List: Cobra Head/airbox connection to the carby
JabiruUSA doesn't seem to have a source for the recommended smooth air
elbow
recommended from the airbox to the carby intake. Does anyone have a
source?
My local auto parts stores just looked at me when I told them I just
wanted
to look through their hose selections to find one. Seems if you can't
tell
them what car it goes on, you are out of luck .. It is 2 and one
quarter
inch inside diameter in a 90 degree elbow. This may or may not be the
part
they refer to as the Cobra Head. Obviously, one did not come with my
FWF
kit, just scat hose. Thanks ..
Jeff
Message 7
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| Subject: | Cobra Head/airbox connection to the carby |
This was the part number and price from intakehoses.com at the end of 2006.
I got the part number from Lance Gingell's build log:
90L225 Rubber Elbow 2.25" ID X 90 Degree $9.49
-- Craig
From: owner-jabiruengine-list-server@matronics.com
[mailto:owner-jabiruengine-list-server@matronics.com] On Behalf Of steve
Sent: Tuesday, October 21, 2008 8:02 PM
Subject: Re: JabiruEngine-List: Cobra Head/airbox connection to the carby
intakehoses dot com
----- Original Message -----
From: Jeff <mailto:jeffrey_davidson@earthlink.net>
Sent: Tuesday, October 21, 2008 6:49 PM
Subject: JabiruEngine-List: Cobra Head/airbox connection to the carby
JabiruUSA doesn't seem to have a source for the recommended smooth air elbow
recommended from the airbox to the carby intake. Does anyone have a source?
My local auto parts stores just looked at me when I told them I just wanted
to look through their hose selections to find one. Seems if you can't tell
them what car it goes on, you are out of luck .. It is 2 and one quarter
inch inside diameter in a 90 degree elbow. This may or may not be the part
they refer to as the Cobra Head. Obviously, one did not come with my FWF
kit, just scat hose. Thanks ..
Jeff
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