Today's Message Index:
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1. 09:55 AM - Re: SS Exhaust (Doug Sapp)
2. 12:18 PM - Re: SS Exhaust (Stephen Fox)
3. 01:48 PM - New Realtime Spell Checker Added To Matronics Forums! (Matt Dralle)
4. 03:01 PM - Re: SS Exhaust (Tim Gagnon)
5. 04:25 PM - You can help search for Fossett (Scooter)
Message 1
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Craig,
Slip Joint:
The slip joint exhaust have some pluses, they are pretty heavy duty, and
they do have less joint leak problems than the stock clamp/gasket
exhaust systems. The down side is two fold though, first they are
pretty much all "one off" systems, meaning that they are each hand made
as you order them (not jig made) and if you have a problem and need a
replacement piece your only option is to send the entire system back to
the maker and have him hand fit the replacement pipe. However, they are
so heavy duty I doubt they would ever burn out so the only reason for a
problem would be damage from a accident (gear up or what ever). The
second is (last time I checked) no cabin heat muff available. This may
have changed by now but I have a hunch that it will push the system cost
up considerably. Last time I looked a slip joint system with a cabin
heat muff was pushing 3K.
Clamp joint:
The clamp joint (stock) exhaust systems for the 285 hp engines are
available in stainless steel. All parts are 100% interchangeable with
the "black steel" stock systems. This works well for those who don't
want to invest in a total system. On the 285 hp exhaust systems the
failure mode it normally lower left pipe, then the lower right, then the
upper left. The balance of the system lasts a very long time. By
changing out these three pipes and with simple clamp/gasket maintenance
on the balance of the system you can extend the life of your stock
system hundreds of hours. The investment is small when you can replace
the sections as they fail, one at a time. While this system does not
have a cabin heat muff either it is possible to add a Yak 52 or a Yak
18T heat muff to the system. To do this you must do some welding and
fitting while the exhaust is on your engine, but yes Paul it is doable.
About burn out:
I have never heard of ANY stainless steel exhaust (from any
manufacturer) burning out. I am sure that in time this will happen but
we have not seen it yet.
About fit:
A stainless steel Yak 18T system (for M14P) will fit the 285 perfectly,
EXCEPT the exhaust nuts are slightly larger in dia. and must be changed
(I have done many of these). The outlet portion of 18T exhaust also
comes out in the correct position and fits the openings in the CJ6 loser
cowl perfectly. A Yak 52 system (M14P) is not so easy to use because
besides changing the nuts, the lower pipes come out in a slightly
different position and if used will require a bit of butchery on the
lower cowl. The installation of a Yak 18T exhaust system on a 285 hp CJ
is in my opinion the best of the best for three reasons. First the
Russian clamp system is better than the Chinese clamp system, second it
is stainless, and third it has a killer two position (fresh or heated
air) cabin heat muff which will go along way to solving the CO in the
cockpit problems when coupled with an additional gill mounted blast tube
to feed the system.
About the 285 hp ss systems:
Of my last 6 stainless steel exhaust systems received from China 3 had
fit problems on the right hand lower pipe. I was lucky and after 6
months of fighting them (and because I buy a lot of stuff) they finally
sent me replacement pipes, now I check every set for fit before
shipping. This is one of the risks your run when buying from a foreign
country, once the sale is done and they have your money it's sometimes
hard to get them to help out with a problem. Also, there seems to now
be two makers of these systems in China, one is using black steel
exhaust nuts, the other is using stainless steel exhaust nuts.
In stock now are all the clamps/ gaskets and seals as well as stainless
steel pipes and complete systems for the 285 hp engine. I have some Yak
18T systems being shipped in about 30 days..
Hope this helps.
Always Yakin,
Doug
Winkelmann wrote:
> Can anyone tell me what the advantages/disadvantages of slip-jointed
> exhaust for a CJ are? What about SS exhaust that is made with the
> same joint configuration as the stock exhaust?
>
> Thanks is advance,
>
> Craig
>
>
>
>*
>
>
>*
>
Message 2
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Did mine on the 52 for less than 2.4K withe heat muff. Very happy CO
down considerably.
Steve
Steve
SKYPE: jstephenfox
On Sep 8, 2007, at 12:53 PM, Doug Sapp wrote:
> Last time I looked a slip joint system with a cabin heat muff was
> pushing 3K.
Message 3
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| Subject: | New Realtime Spell Checker Added To Matronics Forums! |
Dear Listers,
Today 9/8/2007 I have added a new real-time spell checker function to all of the
BBS Forums at Matronics. When you reply or create a new message on the Forums,
you will notice that misspelled words will be high-lighted in yellow. If
you left-click on the word, you will be prompted with a drop-down list of suggested
spellings.
http://forums.matronics.com
Enjoy!
Matt Dralle
Matornics Email List and Forum Administrator
Message 4
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How about using the fabric wrap the racers use to help cut down on escaping gasses??
Read this topic online here:
http://forums.matronics.com/viewtopic.php?p=133516#133516
Message 5
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| Subject: | You can help search for Fossett |
This is sort of interesting. They have recent sat photos of the area in which
Steve Fossett disappeared. Using something called "HIT" you can scan a small
section then check a box indicating whether you think you've seen some indication
of an aircraft. It's an interesting way to divide up a very big job among
(potentially) millions of people. Here's the link (it requires a little getting
accustomed to and signing up for "HIT"):
http://www.mturk.com/mturk/preview?groupId=9TSZK4G35XEZJZG21T60&kw=Flash
note: i'm hoping this doesn't become a debate, argument, etc. please take it
for what it's worth (to you).
Read this topic online here:
http://forums.matronics.com/viewtopic.php?p=133522#133522
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