Today's Message Index:
----------------------
1. 01:15 AM - Rough Running Latest ()
2. 01:48 AM - Name Tag (Sarah Tobin)
3. 01:54 AM - Re: Name Tag (Jerome Van der Schaar)
4. 05:24 AM - Re: Rough Running Latest (Roger Kemp)
5. 05:49 AM - Re: Name Tag (Stephen Fox)
6. 06:30 AM - Re: Rough Running Latest (cjpilot710@aol.com)
7. 07:47 AM - Re: Name Tag (ByronMFox@aol.com)
8. 04:32 PM - Re: Rough Running Latest (Bitterlich, Mark G CIV Det Cherry Point, MALS-14 64E)
9. 06:58 PM - Re: Call Signs (Yakjock)
Message 1
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| Subject: | Rough Running Latest |
To recap, last weekend we found that 5, 7 and 9 were not firing.
This weekend, I switched plugs between 5 and 4, between 7 and 8 and between
9 and 1. When I did that 5 was firing and 4 wasn't, neither 7 or 8 were
firing, and both 1 and 9 were firing. I then switched 7 and 8 back resulting
in 7 not firing and 8 running normally. This all applies to both mags. So -
to me this says that:
The plugs that were originally in 5 are bad.
The plugs that were originally in 7 are bad, but there's potentially
something else wrong with 7. I did notice that the fitting on the plug wire
that screws on to the plug itself is a little deformed like it was over
torqued. I don't think this has any relation to operation but I thought I'd
bring it up since it is a discrepency.
The plugs that were in 9 just didn't like being there. (In other words - I
have no idea why they're both working now.)
My idea is to buy 6 new plugs and try replacing the ones in the bad
cylinders. If that works then I'll replace them all. I don't want to replace
them all until we know it is the problem due to funding constraints.
Anyone have any insight considering this new info? Where's the best place
to get Champion plugs?
Scott
Yak-52 N8252
Message 2
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http://www.yakclub.com/images/shop/namebadge.gif
Does anyone know of a US supplier of these name tags?
Smash
---------------------------------
Message 3
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http://www.nametags4u.com
Good luck,
Jerome
ak-List: Name TagTo: yak-list@matronics.com
http://www.yakclub.com/images/shop/namebadge.gif
Does anyone know of a US supplier of these name tags?
Smash
Message 4
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| Subject: | Rough Running Latest |
Scott,
If you insist on replacing the Russian plugs, I suggest you get a set of Chinese
plugs from Doug Sapp. The Russian plugs are getting harder to come by. The Champion
plugs did not hold up as well as the chinese ones. I have 150 hours on
mine and they look great at this annual.
For the cost of 18 new Chinese or Champion plugs, you can install the wiring and
plug conversion, you keep hearing about. The future cost are about $2.50 per
plug verses $ 40 per plug. You will solv e the issue of is this a plug wire problem
because that is why I suspect you have dead plugs. The fire is not getting
beyond a break in your plug wire within the harness. When it comes time for
me to change these plugs, I am planning to bite the bullet and install the conversion
kit on my 50 and 52. The 50 is getting pretty close to that as we speak.
Doc
----- Original Message -----
From:
Sent: 12/5/2006 3:26:47 AM
Subject: Yak-List: Rough Running Latest
To recap, last weekend we found that 5, 7 and 9 were not firing.
This weekend, I switched plugs between 5 and 4, between 7 and 8 and between 9
and 1. When I did that 5 was firing and 4 wasn't, neither 7 or 8 were firing,
and both 1 and 9 were firing. I then switched 7 and 8 back resulting in 7 not
firing and 8 running normally. This all applies to both mags. So - to me this
says that:
The plugs that were originally in 5 are bad.
The plugs that were originally in 7 are bad, but there's potentially something
else wrong with 7. I did notice that the fitting on the plug wire that screws
on to the plug itself is a little deformed like it was over torqued. I don't think
this has any relation to operation but I thought I'd bring it up since it
is a discrepency.
The plugs that were in 9 just didn't like being there. (In other words - I have
no idea why they're both working now.)
My idea is to buy 6 new plugs and try replacing the ones in the bad cylinders.
If that works then I'll replace them all. I don't want to replace them all until
we know it is the problem due to funding constraints.
Anyone have any insight considering this new info? Where's the best place to get
Champion plugs?
Scott
Yak-52 N8252
Message 5
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Smash -
You might try Williams and Williams (http://www.nametags4u.com/) If
they don't have it they can probably make it up for you.
POTUS
On Dec 5, 2006, at 4:47 AM, Sarah Tobin wrote:
> http://www.yakclub.com/images/shop/namebadge.gif
>
> Does anyone know of a US supplier of these name tags?
>
> Smash
>
>
Message 6
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| Subject: | Re: Rough Running Latest |
In a message dated 12/5/2006 8:27:53 A.M. Eastern Standard Time,
viperdoc@mindspring.com writes:
Scott,
I recommend the same. I chased "Plug problems" until I finally determined
that it was my harness that was braking down. The standard harness though
well built (Its hardware) it is the wire's insulation, is the weakest point and
it will not out last the hardware. It is very susceptible to water and
becomes brittle over time (not engine run time but plain just sitting there).
When
that happens, she'll start arcing out to the shielding. This arcing is
intermittent at times and hard to trace down. If you seem to be having more than
just one plug problem and it seem intermittent, it will more than likely be
the harness wires have had it.
If you've ever had to rewire one of these harnesses you'll find it is a
bitch! I've done it and it ani't worth the time. If you had an engine analyzer,
it would be easy to find the cylinder that is giving you trouble which would
lead you to the wire But converting to the simple auto harness and plugs, is
a whole lot cheaper than getting one of them. One entire engine plug change
with auto plugs later, will pay for changing just for what you pay for the
plugs. (Off the Internet for $1.70/plug). And if one of them goes bad and you
don't know which one, you can change out all the 18 for the price of one
Champion or standard plugs.
The conversion took me eight hours. 4 hours to get the old system off (one
nut took me a good :30). It took 4 hours to install the new one (I was
taking my time and the weather was bad anyway). It is one of the best things
I've
done to this engine.
Jim "Pappy" Goolsby
Scott,
If you insist on replacing the Russian plugs, I suggest you get a set of
Chinese plugs from Doug Sapp. The Russian plugs are getting harder to come by.
The Champion plugs did not hold up as well as the chinese ones. I have 150
hours on mine and they look great at this annual.
For the cost of 18 new Chinese or Champion plugs, you can install the wiring
and plug conversion, you keep hearing about. The future cost are about $2.50
per plug verses $ 40 per plug. You will solv e the issue of is this a plug
wire problem because that is why I suspect you have dead plugs. The fire is
not getting beyond a break in your plug wire within the harness. When it comes
time for me to change these plugs, I am planning to bite the bullet and
install the conversion kit on my 50 and 52. The 50 is getting pretty close to
that
as we speak.
Doc
----- Original Message -----
From: (mailto:shinden33@earthlink.net)
Sent: 12/5/2006 3:26:47 AM
Subject: Yak-List: Rough Running Latest
To recap, last weekend we found that 5, 7 and 9 were not firing.
This weekend, I switched plugs between 5 and 4, between 7 and 8 and between
9 and 1. When I did that 5 was firing and 4 wasn't, neither 7 or 8 were
firing, and both 1 and 9 were firing. I then switched 7 and 8 back resulting in
7
not firing and 8 running normally. This all applies to both mags. So - to me
this says that:
The plugs that were originally in 5 are bad.
The plugs that were originally in 7 are bad, but there's potentially
something else wrong with 7. I did notice that the fitting on the plug wire that
screws on to the plug itself is a little deformed like it was over torqued. I
don't think this has any relation to operation but I thought I'd bring it up
since it is a discrepency.
The plugs that were in 9 just didn't like being there. (In other words - I
have no idea why they're both working now.)
My idea is to buy 6 new plugs and try replacing the ones in the bad
cylinders. If that works then I'll replace them all. I don't want to replace them
all
until we know it is the problem due to funding constraints.
Anyone have any insight considering this new info? Where's the best place
to get Champion plugs?
Scott
Yak-52 N8252
(http://www.buildersbooks.com/)
(http://www.homebuilthelp.com/)
(http://www.matronics.com/contribution)
(http://www.matronics.com/Navigator?Yak-List)
Message 7
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In a message dated 12/5/2006 1:50:55 A.M. Pacific Standard Time,
aerobaticgirl@yahoo.com writes:
Does anyone know of a US supplier of these name tags?
Williams & Williams at _www.nametags4u.com_ (http://www.nametags4u.com) .
They also have official RPA wings under Misc. ...Blitz
Message 8
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| Subject: | Rough Running Latest |
Buy the replacement 8mm automotive racing spark plug wires and plugs
from Dennis.
You will save yourself a lot of time in the end, and a lot of money too.
Even the Russian engine experts agree on this. Sergei Boriak flys with
them on HIS SU-31. Hubie Tolson flies with them on HIS 31, 29, and 26.
Scott, meaning no personal offense to you at all, but you've received
this advice from some of the best experts out there, and bad spark plugs
wires explain ALL of your issues. Period... End of story.
Again, I don't mean to sound anything other than polite, but if you
ignore all the experts that have told you to do this, and continue to
mess around, mess around, mess around... then I respectfully submit you
are not exercising good judgement. Spark plugs simply do not "like" one
cylinder more than another. However, partially fouled plugs WILL fire
in another cylinder that has better spark energy than the one they just
came out of .
Buy the replacement 8mm automotive spark plug wires and plugs. Or...
Continue to scratch you head... Your choice of course.
Sincerely,
Mark Bitterlich
N50YK
-----Original Message-----
From: owner-yak-list-server@matronics.com
[mailto:owner-yak-list-server@matronics.com] On Behalf Of
shinden33@earthlink.net
Sent: Tuesday, December 05, 2006 4:13
Subject: Yak-List: Rough Running Latest
To recap, last weekend we found that 5, 7 and 9 were not firing.
This weekend, I switched plugs between 5 and 4, between 7 and 8 and
between 9 and 1. When I did that 5 was firing and 4 wasn't, neither 7 or
8 were firing, and both 1 and 9 were firing. I then switched 7 and 8
back resulting in 7 not firing and 8 running normally. This all applies
to both mags. So - to me this says that:
The plugs that were originally in 5 are bad.
The plugs that were originally in 7 are bad, but there's potentially
something else wrong with 7. I did notice that the fitting on the plug
wire that screws on to the plug itself is a little deformed like it was
over torqued. I don't think this has any relation to operation but I
thought I'd bring it up since it is a discrepency.
The plugs that were in 9 just didn't like being there. (In other words -
I have no idea why they're both working now.)
My idea is to buy 6 new plugs and try replacing the ones in the bad
cylinders. If that works then I'll replace them all. I don't want to
replace them all until we know it is the problem due to funding
constraints.
Anyone have any insight considering this new info? Where's the best
place to get Champion plugs?
Scott
Yak-52 N8252
Message 9
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Blitz '
I can think of no better call sign for you.
Hal
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