Today's Message Index:
----------------------
1. 06:27 AM - Yak parts on ebay for sale (Dale)
2. 06:43 AM - New Pistons and rings for HS6A (George Coy)
3. 06:44 AM - Re: Re: exhaust pipe TIG welding ()
4. 07:06 AM - Re: Yak-List Digest: 8 Msgs - 05/05/13 (Lee Haven)
5. 07:50 AM - Re: Re: Yak-List Digest: 8 Msgs - 05/05/13 ()
6. 12:51 PM - Air-Venture Accommodations (Gill Gutierrez)
7. 02:43 PM - Re: Yak parts on ebay for sale (Didier BLOUZARD)
Message 1
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| Subject: | Yak parts on ebay for sale |
There is a guy on ebay parting out a Yak 52. I owned this plane for 6 years and
flew it over 450 hours. Sold it . 10 flight hours later new owner geared up
nosewheel on runway with fire. FYI, It is NOT a heavy spar "7G" airframe as
he claims. And I told him so. It did not go through overhaul in Russia before
export and there are no modifications or upgrades from service bulletins.
Read this topic online here:
http://forums.matronics.com/viewtopic.php?p=400039#400039
Message 2
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| Subject: | New Pistons and rings for HS6A |
We can supply a piston set with the new 3 ring pistons for the
HS6A engine and the AI14RA engine.. A set of new pistons and rings is about
$1,980 (about $220 each). The new design with modern design rings reduces
oil consumption in the 40% range. We have clients with M14P engines that
claim that the oil is still clear (not black) after 15 to 20 hours of
operations. We developed this for the Chinese as part of an HS6 engine
overhaul program for them.
We can also offer a slightly higher compression (6.3 to 1
instead of the 5.9 to 1). You would need to be careful about the fuel octane
(at least 91 octane), but would have more horse power.
In either case we would need to confirm that your engine has
standard 105.00 MM)or first oversize size (105.15 mm) cylinders.
Please contact off list for specific quotes or more information.
George Coy
MotorstarNA
714 Airport Rd.
Swanton VT 05488
802-868-5633 off
802-363-5782 cell
802-868-4465 Fax
george.coy@gmail.com
http://motorstarna.com/
SKYPE george.coy
Message 3
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| Subject: | Re: exhaust pipe TIG welding |
Titanium is not difficult to weld if properly shielded by inert gas.
Exhausts require plugging both ends and feeding in the inert gas through one
of the plugs after purging. SS exhaust requires a similar technique for
proper welding.
Jimmy Burke
-----Original Message-----
From: Roger Kemp M.D.
Sent: Monday, May 06, 2013 12:48 AM
Subject: Re: Yak-List: Re: exhaust pipe TIG welding
I'm lucky enough to have had a brother of a friend that works in a local
aerospace company that had a vacuum chamber that they used to repair my
exhaust pipe segment after it cracked. It had cracked along the top of the
segment in the bend off #9 cylinder. His advice was if a welder had tried to
weld it in a regular shop with out a gas purge they would have blown a hole
in it. hence my ill informed statement.
Thanks for correcting me.
Doc
Sent from my iPad
On May 5, 2013, at 8:16 PM, "Dale" <dale@frii.com> wrote:
>
> Most of the exhaust I have seen are stainless steel. My one 52 had a
> engine out of a Yak 50 and they were titanium my other one was stainless.
> If you try to weld titanium with a tig using a ss rod you will blow a hole
> in it. Out of the 9 planes I fly with only mine was titanium the rest were
> Stainless. So one out of 9 and mine had a Yak 50 engine FWF installed
> according to the Russian Log.
>
>
> Read this topic online here:
>
> http://forums.matronics.com/viewtopic.php?p=400021#400021
>
>
Message 4
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| Subject: | RE: Yak-List Digest: 8 Msgs - 05/05/13 |
Any thoughts on how to test for titanium vs. SST?
Lee Haven | Engineering Manager
EMT International, Inc.
780 Centerline Drive | Hobart, Wisconsin 54155
920-884-1172 | 920-468-7991
Email: leeh@emtinternational.com
Visit our website at emtinternational.com
Notice: For complete, proactive, communication any copy (CC :) noticeis to provide
you with informationonly. If you do not wish to continue to receive messages
of this type, please reply to this message with the word "REMOVE" in the subject.
This e-mail, including attachments, may include confidential and/or proprietary
information, and may be used only by the person or entity to which it
is addressed. If the reader of this e-mail is not the intended recipient or his
or her authorized agent, the reader is hereby notified that any dissemination,
distribution or copying of this e-mail is prohibited. If you have received
this e-mail in error, please notify the sender by replying to this message and
delete this e-mail immediately.
-----Original Message-----
From: owner-yak-list-server@matronics.com [mailto:owner-yak-list-server@matronics.com] On Behalf Of Yak-List Digest Server
Sent: Monday, May 06, 2013 2:02 AM
Subject: Yak-List Digest: 8 Msgs - 05/05/13
*
=================================================
Online Versions of Today's List Digest Archive =================================================
Today's complete Yak-List Digest can also be found in either of the two Web Links
listed below. The .html file includes the Digest formatted in HTML for viewing
with a web browser and features Hyperlinked Indexes and Message Navigation.
The .txt file includes the plain ASCII version of the Yak-List Digest and
can be viewed with a generic text editor such as Notepad or with a web browser.
HTML Version:
http://www.matronics.com/digest/digestview.php?Style=82701&View=html&Chapter 13-05-05&Archive=Yak
Text Version:
http://www.matronics.com/digest/digestview.php?Style=82701&View=txt&Chapter 13-05-05&Archive=Yak
===============================================
EMail Version of Today's List Digest Archive ===============================================
----------------------------------------------------------
Yak-List Digest Archive
---
Total Messages Posted Sun 05/05/13: 8
----------------------------------------------------------
Today's Message Index:
----------------------
1. 06:31 AM - Re: V530 prop balance (A. Dennis Savarese)
2. 06:31 AM - Re: exhaust pipe TIG welding (A. Dennis Savarese)
3. 01:15 PM - Re: Duxford Mid-Air (Etienne Verhellen)
4. 06:08 PM - Re: exhaust pipe TIG welding (John Fischer)
5. 06:10 PM - Re: yak 55 engine surge, in flight (Dale)
6. 06:18 PM - Re: exhaust pipe TIG welding (Dale)
7. 06:52 PM - Re: exhaust pipe TIG welding (Roger Kemp M.D.)
8. 09:51 PM - Re: Re: exhaust pipe TIG welding (Roger Kemp M.D.)
________________________________ Message 1 _____________________________________
Time: 06:31:10 AM PST US
From: "A. Dennis Savarese" <dsavarese0812@bellsouth.net>
Subject: Re: Yak-List: V530 prop balance
Weights on the spinner - this is done during a dynamic balance and does not negate
the weights on the sides of the hub. Weights on the hub itself can be added
on the large castellated nuts to static balance the prop and hub regardless
of whether there is a spinner on the airplane.
Dennis
________________________________
From: James Goolsby <cjpilot710@aol.com>
Sent: Sat, May 4, 2013 8:58:03 PM
Subject: Re: Yak-List: V530 prop balance
If you have a spinner, its put on the spinner back plate.
Sent from my iPad from some where on The 3rd rock from the Sun.
On May 4, 2013, at 3:17 PM, Lee Haven <leeh@emtinternational.com> wrote:
>
> Does anyone know where to add weights to the prop or hub when
>balancing the
>V530 prop (original Russian) for tricycle Yak 52?
>
> Engine mounts are replaced. Any other items that should be reviewed
>before balancing?
>
> Thank you
>
> Lee Haven | Engineering Manager
> 9208583559
>
>
>
>
>
>
________________________________ Message 2 _____________________________________
Time: 06:31:49 AM PST US
From: "A. Dennis Savarese" <dsavarese0812@bellsouth.net>
Subject: Re: Yak-List: exhaust pipe TIG welding
If truly original, they are titanium. They could also be stainless steel.
Dennis
________________________________
From: Lee Haven <leeh@emtinternational.com>
Sent: Sat, May 4, 2013 9:13:51 PM
Subject: Yak-List: exhaust pipe TIG welding
Can anyone help me with what material the exhaust pipes might be on my Yak52 tricycle?
They appear to be original Russian pipes, they are NOT magnetic, and
dark brown in color.
Inconel?
SST?
I need to cut the pipe, slide on a new nut, and TIG weld back together. Inconel
618 filler? SST 304/309?
Thank you
leerhaven@gmail.com
Lee Haven | Engineering Manager
9208583559
________________________________ Message 3 _____________________________________
Time: 01:15:15 PM PST US
Subject: Yak-List: Re: Duxford Mid-Air
From: "Etienne Verhellen" <janie@yak52.fr>
The UK Air Accidents Investigation Branch (AAIB) report on the mid air between
the Skyraider and Mustang at Flying Legends 2011 has been released for a while.
Makes for some interesting reading.
http://www.aaib.gov.uk/cms_resources.cfm?file=/P-51D%20Mustang%20D-FBBD%20and%20%20Douglas%20AD-4N%20Skyraider%20F-AZDP%2002-12.pdf
http://forums.matronics.com/files/post-8022-1310368013_121.jpg
http://forums.matronics.com/files/2duxfordcrash_686.jpg
http://i.dailymail.co.uk/i/pix/2011/07/11/article-2013219-0CF4BC5800000578-350_964x629.jpg
The Russians use parachutes with a Static Line when flying Yak-52 ...
Kind Regards,
Etienne.
http://www.flyredstar.org/gallery2/Yak/IMG_3845_OE-EAS.jpg
--------
http://ukga.com/content/view?contentId=29581
http://ukga.com/images/content/image29581.jpg
http://www.flyredstar.org/gallery2/Yak/Heimo_Lamberg_011.jpg
http://www.flyredstar.org/gallery2/Yak/Etienne%20landing%20747-400..jpg
Read this topic online here:
http://forums.matronics.com/viewtopic.php?p=400003#400003
Attachments:
http://forums.matronics.com//files/corsair_oe_eas_and_yak_52_g_cbss_212.jpg
________________________________ Message 4 _____________________________________
Time: 06:08:30 PM PST US
From: John Fischer <fish@aviation-tech.com>
Subject: Re: Yak-List: exhaust pipe TIG welding
Doc,
Actually, tig welding is how you would weld titanium.
Probably not for the average welder.
http://www.millerwelds.com/resources/articles/TIG-gtaw-titanium-welding
Laterrrrrr
John Fischer
On 5/4/2013 9:01 PM, Roger Kemp M.D. wrote:
> Titanium. You are not TIG welding that.
> Doc
>
> Sent from my iPad
>
> On May 4, 2013, at 9:09 PM, Lee Haven <leeh@emtinternational.com
> <mailto:leeh@emtinternational.com>> wrote:
>
>> Can anyone help me with what material the exhaust pipes might be on
>> my Yak52 tricycle? They appear to be original Russian pipes, they are
>> NOT magnetic, and dark brown in color.
>>
>> Inconel?
>>
>> SST?
>>
>> I need to cut the pipe, slide on a new nut, and TIG weld back
>> together. Inconel 618 filler? SST 304/309?
>>
>> Thank you
>>
>> leerhaven@gmail.com <mailto:leerhaven@gmail.com>
>>
>> Lee Haven | Engineering Manager
>>
>> 9208583559
>>
>> *
>>
>>
>> *
> *
>
>
> *
________________________________ Message 5 _____________________________________
Time: 06:10:26 PM PST US
Subject: Yak-List: Re: yak 55 engine surge, in flight
From: "Dale" <dale@frii.com>
had this happen to me at a airshow formation flight, turned out to be the prop
governor . Surged at all 70% and higher power settings but was barely noticeable
at lower power settings. i replaced it and my problem went away.
Read this topic online here:
http://forums.matronics.com/viewtopic.php?p=400018#400018
________________________________ Message 6 _____________________________________
Time: 06:18:11 PM PST US
Subject: Yak-List: Re: exhaust pipe TIG welding
From: "Dale" <dale@frii.com>
Most of the exhaust I have seen are stainless steel. My one 52 had a engine out
of a Yak 50 and they were titanium my other one was stainless. If you try to
weld titanium with a tig using a ss rod you will blow a hole in it. Out of the
9 planes I fly with only mine was titanium the rest were Stainless. So one out
of 9 and mine had a Yak 50 engine FWF installed according to the Russian Log.
Read this topic online here:
http://forums.matronics.com/viewtopic.php?p=400021#400021
________________________________ Message 7 _____________________________________
Time: 06:52:07 PM PST US
Subject: Re: Yak-List: exhaust pipe TIG welding
From: "Roger Kemp M.D." <viperdoc@mindspring.com>
Okay bad advice. Not a welder.
Doc
Sent from my iPad
On May 5, 2013, at 8:05 PM, John Fischer <fish@aviation-tech.com> wrote:
> Doc,
>
> Actually, tig welding is how you would weld titanium.
> Probably not for the average welder.
>
> http://www.millerwelds.com/resources/articles/TIG-gtaw-titanium-weldin
> g
>
> Laterrrrrr
> John Fischer
>
>
> On 5/4/2013 9:01 PM, Roger Kemp M.D. wrote:
>> Titanium. You are not TIG welding that.
>> Doc
>>
>> Sent from my iPad
>>
>> On May 4, 2013, at 9:09 PM, Lee Haven <leeh@emtinternational.com> wrote:
>>
>>> Can anyone help me with what material the exhaust pipes might be on
>>> my Y
ak52 tricycle? They appear to be original Russian pipes, they are NOT magne tic,
and dark brown in color.
>>>
>>> Inconel?
>>> SST?
>>>
>>> I need to cut the pipe, slide on a new nut, and TIG weld back together.
Inconel 618 filler? SST 304/309?
>>>
>>> Thank you
>>>
>>> leerhaven@gmail.com
>>> Lee Haven | Engineering Manager
>>> 9208583559
>
>
>
=========================
========
=========================
========
=========================
========
=========================
========
>
________________________________ Message 8 _____________________________________
Time: 09:51:38 PM PST US
Subject: Re: Yak-List: Re: exhaust pipe TIG welding
From: "Roger Kemp M.D." <viperdoc@mindspring.com>
I'm lucky enough to have had a brother of a friend that works in a local aerospace
company that had a vacuum chamber that they used to repair my exhaust pipe
segment after it cracked. It had cracked along the top of the segment in the
bend off #9 cylinder. His advice was if a welder had tried to weld it in a regular
shop with out a gas purge they would have blown a hole in it. hence my ill
informed statement.
Thanks for correcting me.
Doc
Sent from my iPad
On May 5, 2013, at 8:16 PM, "Dale" <dale@frii.com> wrote:
>
> Most of the exhaust I have seen are stainless steel. My one 52 had a
> engine
out of a Yak 50 and they were titanium my other one was stainless. If you try
to weld titanium with a tig using a ss rod you will blow a hole in it. Out of
the 9 planes I fly with only mine was titanium the rest were Stainless. So one
out of 9 and mine had a Yak 50 engine FWF installed according to the Russian
Log.
>
>
>
>
> Read this topic online here:
>
> http://forums.matronics.com/viewtopic.php?p=400021#400021
>
>
>
>
>
>
>
>
>
>
Message 5
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|
| Subject: | Re: RE: Yak-List Digest: 8 Msgs - 05/05/13 |
This web site has common tests:
http://mrtitanium.info/2008/03/17/how-to-tell-if-a-piece-of-metal-is-really-titanium/
Weight and spark test are what we normally use. Add hardness and
non-metallic when comparing to other metals.
Jimmy Burke
-----Original Message-----
From: Lee Haven
Sent: Monday, May 06, 2013 10:03 AM
Subject: Yak-List: RE: Yak-List Digest: 8 Msgs - 05/05/13
Any thoughts on how to test for titanium vs. SST?
Lee Haven | Engineering Manager
EMT International, Inc.
780 Centerline Drive | Hobart, Wisconsin 54155
920-884-1172 | 920-468-7991
Email: leeh@emtinternational.com
Visit our website at emtinternational.com
Notice: For complete, proactive, communication any copy (CC :) notice is to
provide you with information only. If you do not wish to continue to
receive messages of this type, please reply to this message with the word
"REMOVE" in the subject. This e-mail, including attachments, may include
confidential and/or proprietary information, and may be used only by the
person or entity to which it is addressed. If the reader of this e-mail is
not the intended recipient or his or her authorized agent, the reader is
hereby notified that any dissemination, distribution or copying of this
e-mail is prohibited. If you have received this e-mail in error, please
notify the sender by replying to this message and delete this e-mail
immediately.
-----Original Message-----
From: owner-yak-list-server@matronics.com
[mailto:owner-yak-list-server@matronics.com] On Behalf Of Yak-List Digest
Server
Sent: Monday, May 06, 2013 2:02 AM
Subject: Yak-List Digest: 8 Msgs - 05/05/13
*
=================================================
Online Versions of Today's List Digest Archive
=================================================
Today's complete Yak-List Digest can also be found in either of the two Web
Links listed below. The .html file includes the Digest formatted in HTML
for viewing with a web browser and features Hyperlinked Indexes and Message
Navigation. The .txt file includes the plain ASCII version of the Yak-List
Digest and can be viewed with a generic text editor such as Notepad or with
a web browser.
HTML Version:
http://www.matronics.com/digest/digestview.php?Style=82701&View=html&Chapter 13-05-05&Archive=Yak
Text Version:
http://www.matronics.com/digest/digestview.php?Style=82701&View=txt&Chapter 13-05-05&Archive=Yak
===============================================
EMail Version of Today's List Digest Archive
===============================================
----------------------------------------------------------
Yak-List Digest Archive
---
Total Messages Posted Sun 05/05/13: 8
----------------------------------------------------------
Today's Message Index:
----------------------
1. 06:31 AM - Re: V530 prop balance (A. Dennis Savarese)
2. 06:31 AM - Re: exhaust pipe TIG welding (A. Dennis Savarese)
3. 01:15 PM - Re: Duxford Mid-Air (Etienne Verhellen)
4. 06:08 PM - Re: exhaust pipe TIG welding (John Fischer)
5. 06:10 PM - Re: yak 55 engine surge, in flight (Dale)
6. 06:18 PM - Re: exhaust pipe TIG welding (Dale)
7. 06:52 PM - Re: exhaust pipe TIG welding (Roger Kemp M.D.)
8. 09:51 PM - Re: Re: exhaust pipe TIG welding (Roger Kemp M.D.)
________________________________ Message 1
_____________________________________
Time: 06:31:10 AM PST US
From: "A. Dennis Savarese" <dsavarese0812@bellsouth.net>
Subject: Re: Yak-List: V530 prop balance
Weights on the spinner - this is done during a dynamic balance and does not
negate the weights on the sides of the hub. Weights on the hub itself can
be added on the large castellated nuts to static balance the prop and hub
regardless of whether there is a spinner on the airplane.
Dennis
________________________________
From: James Goolsby <cjpilot710@aol.com>
Sent: Sat, May 4, 2013 8:58:03 PM
Subject: Re: Yak-List: V530 prop balance
If you have a spinner, its put on the spinner back plate.
Sent from my iPad from some where on The 3rd rock from the Sun.
On May 4, 2013, at 3:17 PM, Lee Haven <leeh@emtinternational.com> wrote:
>
> Does anyone know where to add weights to the prop or hub when
>balancing the
>V530 prop (original Russian) for tricycle Yak 52?
>
> Engine mounts are replaced. Any other items that should be reviewed
>before balancing?
>
> Thank you
>
> Lee Haven | Engineering Manager
> 9208583559
>
>
________________________________ Message 2
_____________________________________
Time: 06:31:49 AM PST US
From: "A. Dennis Savarese" <dsavarese0812@bellsouth.net>
Subject: Re: Yak-List: exhaust pipe TIG welding
If truly original, they are titanium. They could also be stainless steel.
Dennis
________________________________
From: Lee Haven <leeh@emtinternational.com>
Sent: Sat, May 4, 2013 9:13:51 PM
Subject: Yak-List: exhaust pipe TIG welding
Can anyone help me with what material the exhaust pipes might be on my Yak52
tricycle? They appear to be original Russian pipes, they are NOT magnetic,
and
dark brown in color.
Inconel?
SST?
I need to cut the pipe, slide on a new nut, and TIG weld back together.
Inconel
618 filler? SST 304/309?
Thank you
leerhaven@gmail.com
Lee Haven | Engineering Manager
9208583559
________________________________ Message 3
_____________________________________
Time: 01:15:15 PM PST US
Subject: Yak-List: Re: Duxford Mid-Air
From: "Etienne Verhellen" <janie@yak52.fr>
The UK Air Accidents Investigation Branch (AAIB) report on the mid air
between the Skyraider and Mustang at Flying Legends 2011 has been released
for a while.
Makes for some interesting reading.
http://www.aaib.gov.uk/cms_resources.cfm?file=/P-51D%20Mustang%20D-FBBD%20and%20%20Douglas%20AD-4N%20Skyraider%20F-AZDP%2002-12.pdf
http://forums.matronics.com/files/post-8022-1310368013_121.jpg
http://forums.matronics.com/files/2duxfordcrash_686.jpg
http://i.dailymail.co.uk/i/pix/2011/07/11/article-2013219-0CF4BC5800000578-350_964x629.jpg
The Russians use parachutes with a Static Line when flying Yak-52 ...
Kind Regards,
Etienne.
http://www.flyredstar.org/gallery2/Yak/IMG_3845_OE-EAS.jpg
--------
http://ukga.com/content/view?contentId=29581
http://ukga.com/images/content/image29581.jpg
http://www.flyredstar.org/gallery2/Yak/Heimo_Lamberg_011.jpg
http://www.flyredstar.org/gallery2/Yak/Etienne%20landing%20747-400..jpg
Read this topic online here:
http://forums.matronics.com/viewtopic.php?p=400003#400003
Attachments:
http://forums.matronics.com//files/corsair_oe_eas_and_yak_52_g_cbss_212.jpg
________________________________ Message 4
_____________________________________
Time: 06:08:30 PM PST US
From: John Fischer <fish@aviation-tech.com>
Subject: Re: Yak-List: exhaust pipe TIG welding
Doc,
Actually, tig welding is how you would weld titanium.
Probably not for the average welder.
http://www.millerwelds.com/resources/articles/TIG-gtaw-titanium-welding
Laterrrrrr
John Fischer
On 5/4/2013 9:01 PM, Roger Kemp M.D. wrote:
> Titanium. You are not TIG welding that.
> Doc
>
> Sent from my iPad
>
> On May 4, 2013, at 9:09 PM, Lee Haven <leeh@emtinternational.com
> <mailto:leeh@emtinternational.com>> wrote:
>
>> Can anyone help me with what material the exhaust pipes might be on
>> my Yak52 tricycle? They appear to be original Russian pipes, they are
>> NOT magnetic, and dark brown in color.
>>
>> Inconel?
>>
>> SST?
>>
>> I need to cut the pipe, slide on a new nut, and TIG weld back
>> together. Inconel 618 filler? SST 304/309?
>>
>> Thank you
>>
>> leerhaven@gmail.com <mailto:leerhaven@gmail.com>
>>
>> Lee Haven | Engineering Manager
>>
>> 9208583559
>>
>> *
>>
>>
>> *
> *
>
>
> *
________________________________ Message 5
_____________________________________
Time: 06:10:26 PM PST US
Subject: Yak-List: Re: yak 55 engine surge, in flight
From: "Dale" <dale@frii.com>
had this happen to me at a airshow formation flight, turned out to be the
prop governor . Surged at all 70% and higher power settings but was barely
noticeable at lower power settings. i replaced it and my problem went away.
Read this topic online here:
http://forums.matronics.com/viewtopic.php?p=400018#400018
________________________________ Message 6
_____________________________________
Time: 06:18:11 PM PST US
Subject: Yak-List: Re: exhaust pipe TIG welding
From: "Dale" <dale@frii.com>
Most of the exhaust I have seen are stainless steel. My one 52 had a engine
out of a Yak 50 and they were titanium my other one was stainless. If you
try to weld titanium with a tig using a ss rod you will blow a hole in it.
Out of the
9 planes I fly with only mine was titanium the rest were Stainless. So one
out of 9 and mine had a Yak 50 engine FWF installed according to the Russian
Log.
Read this topic online here:
http://forums.matronics.com/viewtopic.php?p=400021#400021
________________________________ Message 7
_____________________________________
Time: 06:52:07 PM PST US
Subject: Re: Yak-List: exhaust pipe TIG welding
From: "Roger Kemp M.D." <viperdoc@mindspring.com>
Okay bad advice. Not a welder.
Doc
Sent from my iPad
On May 5, 2013, at 8:05 PM, John Fischer <fish@aviation-tech.com> wrote:
> Doc,
>
> Actually, tig welding is how you would weld titanium.
> Probably not for the average welder.
>
> http://www.millerwelds.com/resources/articles/TIG-gtaw-titanium-weldin
> g
>
> Laterrrrrr
> John Fischer
>
>
> On 5/4/2013 9:01 PM, Roger Kemp M.D. wrote:
>> Titanium. You are not TIG welding that.
>> Doc
>>
>> Sent from my iPad
>>
>> On May 4, 2013, at 9:09 PM, Lee Haven <leeh@emtinternational.com> wrote:
>>
>>> Can anyone help me with what material the exhaust pipes might be on
>>> my Y
ak52 tricycle? They appear to be original Russian pipes, they are NOT magne
tic, and dark brown in color.
>>>
>>> Inconel?
>>> SST?
>>>
>>> I need to cut the pipe, slide on a new nut, and TIG weld back together.
Inconel 618 filler? SST 304/309?
>>>
>>> Thank you
>>>
>>> leerhaven@gmail.com
>>> Lee Haven | Engineering Manager
>>> 9208583559
>
>
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________________________________ Message 8
_____________________________________
Time: 09:51:38 PM PST US
Subject: Re: Yak-List: Re: exhaust pipe TIG welding
From: "Roger Kemp M.D." <viperdoc@mindspring.com>
I'm lucky enough to have had a brother of a friend that works in a local
aerospace company that had a vacuum chamber that they used to repair my
exhaust pipe segment after it cracked. It had cracked along the top of the
segment in the bend off #9 cylinder. His advice was if a welder had tried to
weld it in a regular shop with out a gas purge they would have blown a hole
in it. hence my ill informed statement.
Thanks for correcting me.
Doc
Sent from my iPad
On May 5, 2013, at 8:16 PM, "Dale" <dale@frii.com> wrote:
>
> Most of the exhaust I have seen are stainless steel. My one 52 had a
> engine
out of a Yak 50 and they were titanium my other one was stainless. If you
try to weld titanium with a tig using a ss rod you will blow a hole in it.
Out of the 9 planes I fly with only mine was titanium the rest were
Stainless. So one out of 9 and mine had a Yak 50 engine FWF installed
according to the Russian Log.
>
>
> Read this topic online here:
>
> http://forums.matronics.com/viewtopic.php?p=400021#400021
>
>
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| Subject: | Air-Venture Accommodations |
Scott Andrews has rooms to rent for the 2013 Air-Venture in Oshkosh, get a
hold of him now if you need a place to stay. He has three houses lined up.
Contact him via email onthegoaz@aol.com. It's a great way to enjoy the
event and stay with fellow Red Star Pilots.
Message 7
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| Subject: | Re: Yak parts on ebay for sale |
Thank you very much Dale
This is why I find it so important to have such a List and such a good pilot spirit
in this list.
Thank you for the information.
Best of all and good flight
Didier back from the US (what a big country!!!)
Didier Blouzard
+33 6 5184 4802
Le 6 mai 2013 15:25, "Dale" <dale@frii.com> a crit :
>
> There is a guy on ebay parting out a Yak 52. I owned this plane for 6 years
and flew it over 450 hours. Sold it . 10 flight hours later new owner geared up
nosewheel on runway with fire. FYI, It is NOT a heavy spar "7G" airframe as
he claims. And I told him so. It did not go through overhaul in Russia before
export and there are no modifications or upgrades from service bulletins.
>
>
>
>
> Read this topic online here:
>
> http://forums.matronics.com/viewtopic.php?p=400039#400039
>
>
>
>
>
>
>
>
>
>
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