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bj.hussey(at)ns.sympatico
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 Posted: Thu Jun 05, 2008 5:25 pm Post subject: Kitfox Suber EA81 (2nd message) |
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Plane had TT 329hr. A friend coached me on the tailwheel and other traits of the Kitfox and I finished the year with 20 hours total. The previous owner stated he checked the compression in Jan 07 cold at 142,151,140 and 132. There was no work done on the plane from time of purchase until I drained the oil Tuesday past. I removed the filter today and when checking it the oil seemed to have a different smell and was very thin. Seems like gas may have got into it. I was not told to shut the fuel supply off and it was on until it was noted when going through the manual during the winter. Did anyone ever hear of the Ellison
[quote][b]
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Fox5flyer
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| Posted: Thu Jun 05, 2008 5:43 pm Post subject: Kitfox Suber EA81 (2nd message) |
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Barrie, yes the Ellison having a very small needle and seat can sometimes leak gas into the intake manifold that can migrate down into the engine oil pan. The manual specifically states to use the fuel shut off valve to kill the engine and leave it off until next engine start.
It's possible that's what happened in your case.
If you have the normally aspirated EA81, those compression numbers seem a bit low. Try a complete oil change, warm the engine up to at least 150 degrees, shut it down, then do another compression check using a good quality tester. Ensure that ignitions are off, all plugs removed, and use wide open throttle with at least ten prop blades per cylinder. Let us know what numbers you get.
Deke Morisse
Mikado Michigan
S5/Subaru/CAP 375+ TT
"The aim of an argument or discussion should not be victory, but progress."
- Joseph Joubert
[quote] ---
| | - The Matronics Kitfox-List Email Forum - | | | Use the List Feature Navigator to browse the many List utilities available such as the Email Subscriptions page, Archive Search & Download, 7-Day Browse, Chat, FAQ, Photoshare, and much more:
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Lynn Matteson
Joined: 10 Jan 2006
Posts: 2778
Location: Grass Lake, Michigan
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| Posted: Fri Jun 06, 2008 6:56 am Post subject: Kitfox Suber EA81 (2nd message) |
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Just for my curiosity, Deke, is there only one plug per cylinder on
the EA81?
Lynn
do not archive
On Jun 5, 2008, at 9:38 PM, fox5flyer wrote:
[quote] Barrie, yes the Ellison having a very small needle and seat can
sometimes leak gas into the intake manifold that can migrate down
into the engine oil pan. The manual specifically states to use the
fuel shut off valve to kill the engine and leave it off until next
engine start.
It's possible that's what happened in your case.
If you have the normally aspirated EA81, those compression numbers
seem a bit low. Try a complete oil change, warm the engine up to
at least 150 degrees, shut it down, then do another compression
check using a good quality tester. Ensure that ignitions are off,
all plugs removed, and use wide open throttle with at least ten
prop blades per cylinder. Let us know what numbers you get.
Deke Morisse
Mikado Michigan
S5/Subaru/CAP 375+ TT
"The aim of an argument or discussion should not be victory, but
progress."
- Joseph Joubert
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| | - The Matronics Kitfox-List Email Forum - | | | Use the List Feature Navigator to browse the many List utilities available such as the Email Subscriptions page, Archive Search & Download, 7-Day Browse, Chat, FAQ, Photoshare, and much more:
http://www.matronics.com/Navigator?Kitfox-List |
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_________________
Lynn
Kitfox IV-Jabiru 2200
N369LM |
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Fox5flyer
Guest
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| Posted: Fri Jun 06, 2008 7:15 am Post subject: Kitfox Suber EA81 (2nd message) |
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Yes. Dual ignition, single plug.
Deke
do not archive
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WurlyBird
Joined: 16 May 2008
Posts: 207
Location: North Pole, Alaska
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| Posted: Wed Jun 11, 2008 4:14 pm Post subject: Re: Kitfox Suber EA81 (2nd message) |
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To the two of you who are flying EA81s, how do you like them? I am considering one as an option for my plane and it is hard to find testimonials for some reason. Thanks for the help.
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_________________
James
Kitfox 3 / 582 / 70" IVO 2 blade GA
50 hrs on the 582 swapping for HKS 700E and Avid Cowl. |
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avtar412
Joined: 15 Nov 2006
Posts: 22
Location: New Zealand
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| Posted: Thu Jun 26, 2008 12:28 am Post subject: Re: Kitfox Suber EA81 (2nd message) |
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I'm running an EA 81 T in my Series 5 and very pleased with it. 2.2:1 PSRU and performs very well. 72" WD prop and intercooler.
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