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Michel
Joined: 10 Jan 2006
Posts: 966
Location: Norway
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 Posted: Sun Aug 03, 2008 1:23 am Post subject: RE Jabiru installation |
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| Quote: | biggest problem I ended up having was the
inlet area of my oil cooler was way to big and this was pressuring up the
lower cowl area.
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Gary is right, Jim. The key to a good Jabiru installation is to make a good cooling chamber around the engine. One of the common mistake is to make the oil cooler inlet too big as the aim is to create a high pressure above the engine and a low pressure under.
Since I moulded my own cowling, I made the hole for the oil cooler very small. Then, after a few trial flights, I made it larger. Actually, the last adjustment was made in the hottest day of that summer, just to keep the oil temperature where it should.
Another thing is to make a big 'lip' at the outlet under the cowling. That creates a low pressure area that really sucks the air out of the cowling.
I tried the Skyfox cowling on my model 3 but I have a cowling / glareshield / firewall / panel that is a perfect section of a circle, where the Skyfox cowling is a flatter curve on the top. If I was to use the Skyfox cowling, I would have to reshape all of the above. I went then to modify and mould myself the fore end of my old cowling.
.. Incidentally, I am now back at home and ... after all your encouragements on this list I have decided this morning to be the first man with a pacemaker in space! ... well, at least: back in a Kitfox. 
Cheers,
Michel Verheughe
Norway
Kitfox 3 - Jabiru 2200
<pre><b><font size color="#000000" face="courier new,courier">
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Kitfox 3 - Jabiru 2200 |
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Lynn Matteson
Joined: 10 Jan 2006
Posts: 2778
Location: Grass Lake, Michigan
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| Posted: Sun Aug 03, 2008 3:02 am Post subject: RE Jabiru installation |
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Attaboy, Michel...can't keep a good man down!
Lynn Matteson
Kitfox IV Speedster
Jabiru 2200
Status: flying w/557+ hrs
do not archive
On Aug 3, 2008, at 5:20 AM, Michel Verheughe wrote:
| Quote: | > biggest problem I ended up having was the
> inlet area of my oil cooler was way to big and this was pressuring
> up the
> lower cowl area.
Gary is right, Jim. The key to a good Jabiru installation is to
make a good cooling chamber around the engine. One of the common
mistake is to make the oil cooler inlet too big as the aim is to
create a high pressure above the engine and a low pressure under.
Since I moulded my own cowling, I made the hole for the oil cooler
very small. Then, after a few trial flights, I made it larger.
Actually, the last adjustment was made in the hottest day of that
summer, just to keep the oil temperature where it should.
Another thing is to make a big 'lip' at the outlet under the
cowling. That creates a low pressure area that really sucks the air
out of the cowling.
I tried the Skyfox cowling on my model 3 but I have a cowling /
glareshield / firewall / panel that is a perfect section of a
circle, where the Skyfox cowling is a flatter curve on the top. If
I was to use the Skyfox cowling, I would have to reshape all of the
above. I went then to modify and mould myself the fore end of my
old cowling.
... Incidentally, I am now back at home and ... after all your
encouragements on this list I have decided this morning to be the
first man with a pacemaker in space! ... well, at least: back in a
Kitfox.
Cheers,
Michel Verheughe
Norway
Kitfox 3 - Jabiru 2200
<pre><b><font size color="#000000" face="courier new,courier">
List">http://www.matronics.com/Navigator?Kitfox-List</a>
forums.matronics.com</a>
www.matronics.com/contribution</a>
</b></font></pre>
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_________________
Lynn
Kitfox IV-Jabiru 2200
N369LM |
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gary.algate(at)sandvik.co
Guest
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| Posted: Sun Aug 03, 2008 3:03 am Post subject: RE Jabiru installation |
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Michel,
After reading your post I know that we can all relax as you are without a doubt "on the mend!"
Gary
Gary Algate
SMC, Exploration
Office Phone: +61 8 8276 7655
This e-mail is confidential and it is intended only for the addressees. Any review, dissemination, distribution, or copying of this message by persons or entities other than the intended recipient is prohibited. If you have received this e-mail in error, kindly notify us immediately by telephone or e-mail and delete the message from your system. The sender does not accept liability for any errors or omissions in the contents of this message which may arise as a result of the e-mail transmission.
Michel Verheughe <michel(at)online.no>
Sent by: owner-kitfox-list-server(at)matronics.com
03/08/2008 07:04 PM
Please respond to
kitfox-list(at)matronics.com To
<kitfox-list(at)matronics.com> cc
Subject
RE Jabiru installation
| Quote: | biggest problem I ended up having was the
> inlet area of my oil cooler was way to big and this was pressuring up the
|
> lower cowl area.
Gary is right, Jim. The key to a good Jabiru installation is to make a good cooling chamber around the engine. One of the common mistake is to make the oil cooler inlet too big as the aim is to create a high pressure above the engine and a low pressure under.
Since I moulded my own cowling, I made the hole for the oil cooler very small. Then, after a few trial flights, I made it larger. Actually, the last adjustment was made in the hottest day of that summer, just to keep the oil temperature where it should.
Another thing is to make a big 'lip' at the outlet under the cowling. That creates a low pressure area that really sucks the air out of the cowling.
I tried the Skyfox cowling on my model 3 but I have a cowling / glareshield / firewall / panel that is a perfect section of a circle, where the Skyfox cowling is a flatter curve on the top. If I was to use the Skyfox cowling, I would have to reshape all of the above. I went then to modify and mould myself the fore end of my old cowling.
.. Incidentally, I am now back at home and ... after all your encouragements on this list I have decided this morning to be the first man with a pacemaker in space! ... well, at least: back in a Kitfox.
Cheers,
Michel Verheughe
Norway
Kitfox 3 - Jabiru 2200
<pre><b><font size color="#000000" face="courier new,courier">
-
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-Matt Dralle, List Admin.
</b></font></pre></body></html>
[quote][b]
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shinco(at)bright.net
Guest
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| Posted: Sun Aug 03, 2008 4:39 am Post subject: RE Jabiru installation |
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Michel Verheughe wrote:
| Quote: | > biggest problem I ended up having was the
> inlet area of my oil cooler was way to big and this was pressuring up the
> lower cowl area.
>
Gary is right, Jim. The key to a good Jabiru installation is to make a good cooling chamber around the engine. One of the common mistake is to make the oil cooler inlet too big as the aim is to create a high pressure above the engine and a low pressure under.
Since I moulded my own cowling, I made the hole for the oil cooler very small. Then, after a few trial flights, I made it larger. Actually, the last adjustment was made in the hottest day of that summer, just to keep the oil temperature where it should.
Another thing is to make a big 'lip' at the outlet under the cowling. That creates a low pressure area that really sucks the air out of the cowling.
I tried the Skyfox cowling on my model 3 but I have a cowling / glareshield / firewall / panel that is a perfect section of a circle, where the Skyfox cowling is a flatter curve on the top. If I was to use the Skyfox cowling, I would have to reshape all of the above. I went then to modify and mould myself the fore end of my old cowling.
... Incidentally, I am now back at home and ... after all your encouragements on this list I have decided this morning to be the first man with a pacemaker in space! ... well, at least: back in a Kitfox.
Cheers,
Michel Verheughe
Norway
Kitfox 3 - Jabiru 2200
<pre><b><font size color="#000000" face="courier new,courier">
</b></font></pre>
Checked by AVG - http://www.avg.com
Now that is the way To Go Michel...hopefully you will Be flying again
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soon with the rest of us..doing what we like to do best ,,and that is
FLY...STEVE SHINABERY N554KF KF2 with the little but mighty 582
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