Today's Message Index:
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1. 06:41 AM - Re: EGT probes (keithmckinley)
2. 06:41 AM - Re: EGT probes (keithmckinley)
3. 11:39 AM - Control Surface Balancing (Thomas Smith)
4. 12:09 PM - Re: Re: EGT probes (Eric Wobschall)
5. 12:26 PM - Re: Re: EGT probes (Bitterlich, Mark G CIV Det Cherry Point, MALS-14 64E)
6. 03:30 PM - Re: EGT probes (keithmckinley)
7. 07:02 PM - Re: Re: EGT probes (Eric Wobschall)
8. 09:27 PM - Re: EGT probes (keithmckinley)
Message 1
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Cracks my not be much of an issue if you do it the right way and have a threaded
bung welded on the exhaust.
--------
Keith McKinley
700HS
KFIT
Read this topic online here:
http://forums.matronics.com/viewtopic.php?p=333306#333306
Message 2
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Cracks my not be much of an issue if you do it the right way and have a threaded
bung welded on the exhaust.
--------
Keith McKinley
700HS
KFIT
Read this topic online here:
http://forums.matronics.com/viewtopic.php?p=333305#333305
Message 3
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| Subject: | Control Surface Balancing |
Can anyone tell me how to balance control surfaces after painting? Is it just
balancing for weight, or does it involve something else?
Tom Smith
Message 4
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A bung (like a flange?) instead of a clamp on the exhaust... Which sounds great....
However, welding the titanium exhaust is tough. For one thing, the titanium
rod you need to use is nearly 100% titanium. As Al Neri would say: "Difficult...
not impossible." The ones I've seen use the hose clamp method... obviously
not as classy.
On Mar 9, 2011, at 9:37 AM, keithmckinley wrote:
>
> Cracks my not be much of an issue if you do it the right way and have a threaded
bung welded on the exhaust.
>
> --------
> Keith McKinley
> 700HS
> KFIT
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>
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>
> Read this topic online here:
>
> http://forums.matronics.com/viewtopic.php?p=333305#333305
>
>
>
>
>
>
>
>
>
>
Message 5
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Ok... Just being curious.
Are we saying here that there is less of a chance of a crack, in a
titanium exhaust system, if we totally remove the whole exhaust, take it
over to a welding shop, weld in a threaded bung ... and just a
second.... what type of metal threaded bung are we going to weld INTO
this exhaust? What is the metal composition of the bung? Dissimilar
metal issues? And then by the way, when you weld into that exhaust
pipe, it tends to just blow up in smoke unless you get a REALLY REALLY
good welding shop (I've seen this happen with my own eyes when the
threaded smoke bung in a Sukhoi had to be repaired) ... and we are doing
this to all NINE exhaust pipes.....
And this is being done instead of:
Drilling a clean hole and putting a strap around the pipe to hold in an
EGT probe?
Gents with due respect .... method number one is really classy. It also
requires you to remove and re-install the whole exhaust system, take the
chance of the guy screwing up the weld and really making a mess of your
exhaust in the process, and this is being done because .....
Drilling a hole is not classy? And if you drill it poorly it MIGHT
crack? In which case you would weld the crack?
Sorry.... um... hand me the drill.
Mark Bitterlich and JUST my 2 cents here.
P.S. I have seen the welded bungs for a smoke system crack ALL the time
in Sukhoi aircraft. On the contrary, I have also seen the smoke system
that just drills a hole and puts in an injection nozzle held in place
with a stainless hose clamp. Method number two can be easily repaired
and lasts a long time. Method number one is a real pain in the ass.
Sometimes the simple method is better than the classy method.
-----Original Message-----
From: owner-yak-list-server@matronics.com
[mailto:owner-yak-list-server@matronics.com] On Behalf Of Eric Wobschall
Sent: Wednesday, March 09, 2011 3:06 PM
Subject: Re: Yak-List: Re: EGT probes
A bung (like a flange?) instead of a clamp on the exhaust... Which
sounds great.... However, welding the titanium exhaust is tough. For one
thing, the titanium rod you need to use is nearly 100% titanium. As Al
Neri would say: "Difficult... not impossible." The ones I've seen use
the hose clamp method... obviously not as classy.
On Mar 9, 2011, at 9:37 AM, keithmckinley wrote:
<keith.mckinley@townisp.com>
>
> Cracks my not be much of an issue if you do it the right way and have
a threaded bung welded on the exhaust.
>
> --------
> Keith McKinley
> 700HS
> KFIT
>
>
>
>
> Read this topic online here:
>
> http://forums.matronics.com/viewtopic.php?p=333305#333305
>
>
>
>
>
>
>
>
>
>
Message 6
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didn't know it was titanium..
--------
Keith McKinley
700HS
KFIT
Read this topic online here:
http://forums.matronics.com/viewtopic.php?p=333387#333387
Message 7
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Yea, and brittle as hell because it's not really an alloy. There are a few stray
impurities, but it's almost pure.
On Mar 9, 2011, at 6:27 PM, keithmckinley wrote:
>
> didn't know it was titanium..
>
> --------
> Keith McKinley
> 700HS
> KFIT
>
>
>
>
> Read this topic online here:
>
> http://forums.matronics.com/viewtopic.php?p=333387#333387
>
>
>
>
>
>
>
>
>
>
Message 8
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those things sound pretty expensive...
--------
Keith McKinley
700HS
KFIT
Read this topic online here:
http://forums.matronics.com/viewtopic.php?p=333426#333426
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