Today's Message Index:
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1. 11:37 AM - Engine cooling Louver Vents (Jeffrey J Paris)
2. 12:20 PM - Re: Engine cooling Louver Vents (Paul Mulwitz)
3. 02:22 PM - Re: Engine cooling Louver Vents (Keith Pickford)
Message 1
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| Subject: | Engine cooling Louver Vents |
Gentlepeople,
=C2-
A few months ago someone out on our lists mentioned that they were using som
e louvered vents in an aid to cooling their Jabiru installation. =C2-I wou
ld be interested to see if anyone has some anecdotal or actual experience wi
th utilizing louvered vents on the bottom of a cowl in an effort to aid and
imnprove engine cooling.
=C2-
In my case I have a Jab3300 powered Zentith Zodiac in which I'm pretty much
dialed into in terms of cooling. =C2-However, I am also a builder of a Jab
3300 powered Europa Classic Monowheel and due to the fact =C2-that the fo
otwells and the main landing gear truncate the bottom opening of the cowl ma
king a clean and big enough exit a bit "messy".
=C2-
I am curious to see if a set of vented louvers running parallel and under ea
ch cylinder would create enough pull to enhance cooling?=C2-(Bonanzas have
em') =C2-Do the experts think I might have some luck with just such an in
stallation?
=C2-
Thanks for your time and consderation.
=C2-
Jeff Paris
Message 2
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| Subject: | Re: Engine cooling Louver Vents |
Hi Jeff,
I am not an expert, but I think a single lip on the exit point of the
cowl bottom could have the same drawing effect as louvers positioned
along the cowl bottom.
Paul
Camas, WA
On 7/20/2012 11:36 AM, Jeffrey J Paris wrote:
> Gentlepeople,
> A few months ago someone out on our lists mentioned that they were
> using some louvered vents in an aid to cooling their Jabiru
> installation. I would be interested to see if anyone has some
> anecdotal or actual experience with utilizing louvered vents on the
> bottom of a cowl in an effort to aid and imnprove engine cooling.
> In my case I have a Jab3300 powered Zentith Zodiac in which I'm pretty
> much dialed into in terms of cooling. However, I am also a builder of
> a Jab 3300 powered Europa Classic Monowheel and due to the fact that
> the footwells and the main landing gear truncate the bottom opening of
> the cowl making a clean and big enough exit a bit "messy".
> I am curious to see if a set of vented louvers running parallel and
> under each cylinder would create enough pull to enhance
> cooling? (Bonanzas have em') Do the experts think I might have some
> luck with just such an installation?
> Thanks for your time and consderation.
> Jeff Paris
> *
>
>
> *
Message 3
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| Subject: | Re: Engine cooling Louver Vents |
Have a look at=0A=0Ahttp://www.jabiru.net.au/Service%20Bulletins/Engine%20f
iles/Engine%20Cooling%20JSB016-1.pdf=0A=0AWe used the Medium version and he
ad temps are now great no matter what power settings=0A=0ARegards=0AKeith
=0A=0A=0A=0A________________________________=0A From: Paul Mulwitz <psm@att
..net>=0ATo: jabiruengine-list@matronics.com =0ASent: Saturday, 21 July 2012
7:18 AM=0ASubject: Re: JabiruEngine-List: Engine cooling Louver Vents=0A
=0A=0AHi Jeff,=0A=0AI am not an expert, but I think a single lip on the exi
t point of=0A the cowl bottom could have the same drawing effect as louv
ers=0A positioned along the cowl bottom.=0A=0APaul=0ACamas, WA=0A-=0A
=0AOn 7/20/2012 11:36 AM, Jeffrey J Paris wrote:=0A=0AGentlepeople,=0A>-
=0A>A few months ago someone out on our lists mentioned that they were usin
g some louvered vents in an aid to cooling their Jabiru installation. -I
would be interested to see if anyone has some anecdotal or actual experienc
e with utilizing louvered vents on the bottom of a cowl in an effort to aid
and imnprove engine cooling.=0A>-=0A>In my case I have a Jab3300 powered
Zentith Zodiac in which I'm pretty much dialed into in terms of cooling.
-However, I am also a builder of a Jab 3300 powered Europa Classic Monowh
eel and due to the fact -that the footwells and the main landing gear tru
ncate the bottom opening of the cowl making a clean and big enough exit a b
it "messy".=0A>-=0A>I am curious to see if a set of vented louvers runnin
g parallel and under each cylinder would create enough pull to enhance cool
ing?-(Bonanzas have em') -Do the experts think I might have some luck w
ith just such an installation?=0A>-=0A>Thanks for your time and consderat
=
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