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jabiru 2200 Turbo - Just finished and tested

 
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EdgePerformance



Joined: 04 Jun 2009
Posts: 14
Location: Norway

PostPosted: Thu Jun 04, 2009 9:19 am    Post subject: jabiru 2200 Turbo - Just finished and tested Reply with quote

Hi,

I wonder if anyone else has tried to turbo convert the jabiru 2200 engine before. I have a Kitfox IV with a early model engine witch only put out 50-60HP I guess.

What I have done is ported the heads both intake and exhaust chambers, mounted a Aerocarb 35mm carburetor intended for the 3300 jabiru and mounted a turbo on my custom made turbo manifold.

I run 6.5psi of boost and it makes so much more power now after the rebuild and convertion.

These are the before and after performance on the kitfox.

Climbrate BEFORE - 500ft\m NOW 1600-1700ft\m
Cruise speed 2900RPM BEFORE - 82mph NOW 105mph
Full throttle level flight BEFORE 90mph NOW 122mph

I have just run the engine on different throttle settings for 6 hours now with no trouble with either CHT og EGT. All lambda readings are ok as well. The Aerocarb with the mixture controll makes it perfekt for the turbo convertion.

Heres a link to a video of the first flight and a video of the early build with the bing carburetor.

http://www.youtube.com/watch?v=PMtAc1T_oMA

http://www.youtube.com/watch?v=wWGJRRZZRLU

http://www.youtube.com/watch?v=lAnAx9x9Dng

Please alert me if anyone has done this before !

Safe flying !


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Kitfox IV w\ Jabiru 2200 Turbo\Aerocarb
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dons701



Joined: 22 May 2009
Posts: 80
Location: Hershey, PA

PostPosted: Fri Jun 05, 2009 6:54 am    Post subject: Re: jabiru 2200 Turbo - Just finished and tested Reply with quote

Looks like lotsa fun ! Good job ! The only thing I would be carefull of though is where you have returned the oil from the turbo to the engine. After going through the high speed bearings the oil can get quite frothy and in this state can have difficulty getting back to the engine when returned to the bottom of the oil pan against liquid oil head pressure. If this is the case, what sometimes happens is that foamy drained oil backs up into the bearing housing and floods it's way past the labyrinth seal on the turbine wheel. Typically oil is returned to a location above the oil level clear of the spinning crankshaft so as not to be "picked up" and add mass to the crank. Not easily done, especially on the Jab. 2200 !!

Did you use an automotive turbo or is it a custom ordered type ??

What size prop did you install to take advantage of the newly found torque ?? Again, nice job and good luck !
Don


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EdgePerformance



Joined: 04 Jun 2009
Posts: 14
Location: Norway

PostPosted: Fri Jun 05, 2009 1:00 pm    Post subject: Re: jabiru 2200 Turbo - Just finished and tested Reply with quote

Hi,

Thanks, I use a old draw through non ball bearing turbo with graphite seals to prevent fuel mixture to enter into the glide-bearing.

The oil drain is no problem. I have watched the return oil dripping into a clear bottle and its not foamy.

I use a jabiru 85hp GT-Prop from a sonex Not sure of the length and pitch, but the 85hp engine it sat on didn't make more than 3000RPM level on full throttle I believe.

I also have a ground adjustable sensenich prop. I only managed to get 2850rpm`s on full throttle level flight on the mildest pitch setting #1 before the convertion and now it does easely 3200rpm on ground on pitch setting #5. So I believe it makes some where between 100-115HP on 6.5psi of boost.


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Kitfox IV w\ Jabiru 2200 Turbo\Aerocarb
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Lynn Matteson



Joined: 10 Jan 2006
Posts: 2778
Location: Grass Lake, Michigan

PostPosted: Fri Jun 05, 2009 2:24 pm    Post subject: jabiru 2200 Turbo - Just finished and tested Reply with quote

Do you think the Jabiru is capable of holding up under the increase
in power?

Lynn Matteson
Kitfox IV Speedster, taildragger
Jabiru 2200, #2062, 668.9 hrs
Sensenich 62x46 Wood prop
Electroair direct-fire ignition system
Status: flying


On Jun 5, 2009, at 5:00 PM, EdgePerformance wrote:

Quote:

<post(at)edgeperformance.no>

Hi,

Thanks, I use a old draw through non ball bearing turbo with
graphite seals to prevent fuel mixture to enter into the glide-
bearing.

The oil drain is no problem. I have watched the return oil dripping
into a clear bottle and its not foamy.

I use a jabiru 85hp GT-Prop from a sonex Not sure of the length and
pitch, but the 85hp engine it sat on didn't make more than 3000RPM
level on full throttle I believe.

I also have a ground adjustable sensenich prop. I only managed to
get 2850rpm`s on full throttle level flight on the mildest pitch
setting #1 before the convertion and now it does easely 3200rpm on
ground on pitch setting #5. So I believe it makes some where
between 100-115HP on 6.5psi of boost.

--------
Kitfox IV w\ Jabiru 2200 Turbo\Aerocarb


Read this topic online here:

http://forums.matronics.com/viewtopic.php?p 46995#246995




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Lynn
Kitfox IV-Jabiru 2200
N369LM
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dhonabach



Joined: 19 Jan 2009
Posts: 13

PostPosted: Fri Jun 05, 2009 2:57 pm    Post subject: jabiru 2200 Turbo - Just finished and tested Reply with quote

I'm interested in seeing the real world longevity of the changes as well
- 1/2 TBO, sounds like a fun thing to do; 1/16 TBO and then I'm probably
not interested; no TBO difference - where do I sign up!

The one things I haven't had a chance is to fine tune my 3300A setup. I
know that there is some HP I'm losing because I don't have a perfect air
intake and so on. It amazes me how a small change can make a noticeable
change in HP even in a 'standard' setup.

Any testing for altitude and how the HP holds up when above 10k?

Don
--


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EdgePerformance



Joined: 04 Jun 2009
Posts: 14
Location: Norway

PostPosted: Fri Jun 05, 2009 3:27 pm    Post subject: Re: jabiru 2200 Turbo - Just finished and tested Reply with quote

Haven't been over 10k ft yet, But even at 6 and 7 thousand feet it climbs just as good as on 1000ft.

I have had only 6 hours on it now, but will fly as much as i can.


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Kitfox IV w\ Jabiru 2200 Turbo\Aerocarb
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dhonabach



Joined: 19 Jan 2009
Posts: 13

PostPosted: Fri Jun 05, 2009 4:04 pm    Post subject: jabiru 2200 Turbo - Just finished and tested Reply with quote

Gotcha! Nice to see someone experimenting Smile Please keep us all in the
loop - sounds awesome!

Don
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EdgePerformance



Joined: 04 Jun 2009
Posts: 14
Location: Norway

PostPosted: Fri Jul 10, 2009 2:53 pm    Post subject: Re: jabiru 2200 Turbo - Just finished and tested Reply with quote

just finished of 25hours of flight. So far every thing works great !

http://www.youtube.com/watch?v=PMtAc1T_oMA


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