Today's Message Index:
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1. 05:36 AM - Re: CJ wet compass replacement (Harv)
2. 06:09 AM - A pair of Yaks takes too airshow award at OSH 2019. (Mark Sorenson)
3. 06:36 AM - Will there be a group of Res Stars at Oshkosh? (motoadve)
4. 11:15 AM - Re: A pair of Yaks takes too airshow award at OSH 2019. (mark bitterlich)
5. 01:29 PM - Re: A pair of Yaks takes too airshow award at OSH 2019. (Mark Bitterlich)
6. 01:52 PM - Re: M14-P quandary (Mark Bitterlich)
Message 1
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| Subject: | Re: CJ wet compass replacement |
Thanks Walt
I wasnt sure if an off the shelf unit would fit but it looks like it will
:D
Read this topic online here:
http://forums.matronics.com/viewtopic.php?p=490321#490321
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| Subject: | A pair of Yaks takes too airshow award at OSH 2019. |
x-mailer: iPhone Mail (15G77)
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| Subject: | Will there be a group of Res Stars at Oshkosh? |
Met some at Sun and Fun briefly and was great.
Will there be a group at Oshkosh?
Was not planning on going , but got an offer I could not refuse , so now I am going
. :D
--------
www.Backcountry182.com
Cessna 182 P
CJ -6
Read this topic online here:
http://forums.matronics.com/viewtopic.php?p=490323#490323
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| Subject: | Re: A pair of Yaks takes too airshow award at OSH 2019. |
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| Subject: | A pair of Yaks takes too airshow award at OSH 2019. |
And if I could spell, it would read:
EXTREMELY WELL DONE! And it is worth repeating.
Mark
From: owner-yak-list-server@matronics.com
[mailto:owner-yak-list-server@matronics.com] On Behalf Of mark
bitterlich
Sent: Tuesday, July 16, 2019 2:12 PM
Subject: Re: Yak-List: A pair of Yaks takes too airshow award at OSH
2019.
EXREMELY well done! Congratulations!!
-------- Original message --------
From: Mark Sorenson <captainsorenson@hotmail.com>
Subject: Yak-List: A pair of Yaks takes too airshow award at OSH 2019.
The Twin Tigers Aerobatic Team takes top Airshow Award.
Click on link below
https://generalaviationnews.com/2019/07/15/twin-tigers-take-top-air-show-
award/
Message 6
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Blitz,
Going over this again after reading Doc=99s inputs, if the
compression is good, and there are no induction leaks, and you have no
leaks in your intake drain kit (easy to overlook that issue) it is hard
to believe it is a fuel issue in any way. If a high performance car
engine was doing this, I would immediately check for a failed or cracked
valve spring as well as checking valve lash. It is hard for me to
imagine the exhaust valve sticking at high RPM and then
=9Cunsticking=9D as soon as you reduce RPM. But my
thoughts at this point would primarily be on ignition, assuming
everything else is OK. You are NOT using the stock ignition wiring
correct? If it IS stock ignition wiring, a cross fire to another wire
in the tube could easily cause this. Have you done a mag check WHILE
THIS ISSUE IS HAPPENING? I understand a normal MAG check is A-OK, but
have you run the same mag check when it is belching smoke? If it is
doing this on the ground, and you don=99t really like the idea of
doing a mag check at full power (yes, I get that doing that might be
worth thinking twice about), then simply run on just one MAG and run it
up to full power and then back, and then try it on the other mag running
alone. Simple and worth seeing what happens.
Good luck.
Mark
From: owner-yak-list-server@matronics.com
[mailto:owner-yak-list-server@matronics.com] On Behalf Of Roger Kemp
Sent: Monday, July 15, 2019 9:26 AM
Subject: Re: Yak-List: M14-P quandary
Blitz,
Black smoke from the exhaust normally means it is running rich. There is
but here though with the single carb and the supercharger. Do all Mark
says. Pay attention to glan nuts on the right side for induction leaks.
Pay attention to all of them for that matter but especially the right.
Also check you carburetor filter screen. Flappers in the fuel line can
accumulate there obstructing the fuel flow.
Doc
Sent from my iPad
On Jul 6, 2019, at 3:57 PM, Byron Fox <byronmfox@gmail.com> wrote:
I'll endeavor to be succinct.
About 1-2 minutes after takeoff in our CJ, climbing at 2900 rpm, the
engine runs rough for about 10-15 seconds, and then smooths out. Gets
one's attention.
Grounding testing, chocked and chained down, I get the same result at
full power, and black smoke is observed coming out of the port (left)
exhaust stack.
During the roughness:
1. Both mags check OK
2. Throttle movement has no effect
3. Wobble pumping has no effect
4. Prop movement has no effect
The analysis so far is a sticking exhaust valve, but which one? Why
briefly at high power and consequently high heat?
Compression tests are fine.
Nothing obvious appears when the valve covers are removed.
Would appreciate your thoughts.
Thanks,
... Blitz
Byron M. Fox
415-307-2405
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