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jbsoar(at)gmail.com
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 Posted: Fri Jun 10, 2016 12:42 am Post subject: Yak-List Digest: 4 Msgs - 06/09/16 |
 |
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Gentlemen-Does anyone have weight and balance instructions and limits for the Yak 55M?
Thank you!
John B
On Fri, Jun 10, 2016 at 12:03 AM, Yak-List Digest Server <yak-list(at)matronics.com (yak-list(at)matronics.com)> wrote:
| Quote: | *
 =========================
  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=2016-06-09&Archive=Yak
Text Version:
  http://www.matronics.com/digest/digestview.php?Style=82701&View=txt&Chapter=2016-06-09&Archive=Yak
 =======================
  EMail Version of Today's List Digest Archive
 =======================
      ----------------------------------------------------------
              Yak-List Digest Archive
                   ---
           Total Messages Posted Thu 06/09/16: 4
      ----------------------------------------------------------
Today's Message Index:
----------------------
   1. 04:50 AM - Re:  (Richard Goode)
   2. 04:29 PM - gear handle hiss (danbooker)
   3. 04:51 PM - Re: gear handle hiss (doug sapp)
   4. 06:27 PM - Brake drum wear info (doug sapp)
________________________________Â Message 1Â _____________________________________
Time: 04:50:46 AM PST US
From: "Richard Goode" <richard.goode(at)russianaeros.com (richard.goode(at)russianaeros.com)>
Subject: RE: Yak-List:
While I suspect there are good sources of this in the US, it took us a
lot of research to find a European source for high quality homes when
our Russian supplies dried up. But we now have a good source, and charge
Euro 45 =93 today $58 for sufficient material for the 18 tubes.
They are 2 mm smaller outside diameter, so we have a supply nice plated
clamps which are Euro 32 ($41) for 18.
Richard Goode Aerobatics
Rhodds Farm
Lyonshall
Hereford
HR5 3LW
Tel:Â +44 (0) 1544 340120
Fax: +44 (0) 1544 340129
www.russianaeros.com
From: owner-yak-list-server(at)matronics.com (owner-yak-list-server(at)matronics.com)
[mailto:owner-yak-list-server(at)matronics.com (owner-yak-list-server(at)matronics.com)] On Behalf Of Robert
Schwartz
Sent: 08 June 2016 21:22
Subject: Yak-List:
Looking for a source of fresh high quality metric hose for the pushrods
on yak 52 engine
Thanks
Sent from Yahoo Mail on Android
<https://overview.mail.yahoo.com/mobile/?.src=Android>
--
This message has been scanned for viruses and
dangerous content by <http://www.mailscanner.info/> MailScanner, and is
believed to be clean.
________________________________Â Message 2Â _____________________________________
Time: 04:29:57 PM PST US
Subject: gear handle hiss
From: "danbooker" <danbooker(at)hotmail.com (danbooker(at)hotmail.com)>
Sometimes, not always, I have a hiss coming from behind the gear handle. Is there
something back ther that needs mx once in a while? Also, who sells the brake
reducing box overhaul kit (the little box under right side of pilot seat)
--------
Daniel Booker
"Stealth-Eagle Aviation"
[url=tel:2312457798]2312457798[/url]
danbooker(at)hotmail.com (danbooker(at)hotmail.com)
Read this topic online here:
http://forums.matronics.com/viewtopic.php?p=456998#456998
________________________________Â Message 3Â _____________________________________
Time: 04:51:17 PM PST US
From: doug sapp <dougsappllc(at)gmail.com (dougsappllc(at)gmail.com)>
Subject: Re: gear handle hiss
Dan,
The pneumatic system (gear and flap valves in the cockpits) normally vent
to the atmosphere via holes in these valves, that is the hiss you hear when
the gear/flaps go up and down. You should hear it EVERY time the system
cycles.
It's really hard for me to determine what you need by your description "brake
reducing box overhaul kit (the little box under right side of pilot seat)"
 This is why god invented part numbers! Check your parts books (Vol #1)
or if you don't have a set go to my web site http://cj6.com/ and you will
find a set there, or give me a call [url=tel:%28509-826-4610](509-826-4610[/url]) so I can better
understand and make sure you get the correct parts.
Doug
On Thu, Jun 9, 2016 at 4:29 PM, danbooker <danbooker(at)hotmail.com (danbooker(at)hotmail.com)> wrote:
>
> Sometimes, not always, I have a hiss coming from behind the gear handle.
> Is there something back ther that needs mx once in a while? Also, who
> sells the brake reducing box overhaul kit (the little box under right side
> of pilot seat)
>
> --------
> Daniel Booker
> "Stealth-Eagle Aviation"
> [url=tel:2312457798]2312457798[/url]
> danbooker(at)hotmail.com (danbooker(at)hotmail.com)
>
>
> Read this topic online here:
>
> http://forums.matronics.com/viewtopic.php?p=456998#456998
>
>
________________________________Â Message 4Â _____________________________________
Time: 06:27:55 PM PST US
From: doug sapp <dougsappllc(at)gmail.com (dougsappllc(at)gmail.com)>
Subject: Brake drum wear info
Listers and Lurkers:
I have always wondered if there was actually a published max wear
measurement for the Yak/CJ brake drum. So today I decided to practice what
I preach and sat down with a stack of manuals and started reading. It's
amazing what can be found with a bit of due diligence. I found the info in
the PT-6 Trainer Aircraft Overhaul Manual (Airframe Accessories).
Oddly enough section 12-1 "Brake Disk" only yielded the minimum thickness
of the brake pad, which is 8mm.
Section 11-1 "Landing gear Wheel" explains the max number of and depth of
groves in the brake drum and mentions that the drum can be turned to a
MAXIMUM ID of 196mm. It goes on to say that if the drum is blank it should
be turned out to 195mm (new dia).  If you do the math this works out to
just shy of .040 worth of wear. I am sure these numbers will be applicable
to the Yak 18T,50,52 and the CJ6 and many others.
Some of you may recall a shipment of brake drums which were found to be to
small in the ID to fit over the pads. These must have been the blank drums
as described in section 11-1.
All good info.
Best,
Doug
===========
List" rel="noreferrer" target="_blank">http://www.matronics.com/Navigator?Yak-List
===========
FORUMS -
eferrer" target="_blank">http://forums.matronics.com
===========
WIKI -
errer" target="_blank">http://wiki.matronics.com
===========
b Site -
     -Matt Dralle, List Admin.
rel="noreferrer" target="_blank">http://www.matronics.com/contribution
===========
|
| | - The Matronics Yak-List Email Forum - | | | Use the List Feature Navigator to browse the many List utilities available such as the Email Subscriptions page, Archive Search & Download, 7-Day Browse, Chat, FAQ, Photoshare, and much more:
http://www.matronics.com/Navigator?Yak-List |
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| Back to top |
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heaysr(at)telus.net
Guest
|
| Posted: Fri Jun 10, 2016 1:15 pm Post subject: Yak-List Digest: 4 Msgs - 06/09/16 |
|
|
Hi John
Attached is a weight and balance diagram for my Yak.
Regards
Royden
From: owner-yak-list-server(at)matronics.com [mailto:owner-yak-list-server(at)matronics.com] On Behalf Of John B
Sent: Friday, June 10, 2016 1:41 AM
To: Yak-List Digest Server <yak-list(at)matronics.com>
Subject: Re: Yak-List Digest: 4 Msgs - 06/09/16
Gentlemen-
Does anyone have weight and balance instructions and limits for the Yak 55M?
Thank you!
John B
On Fri, Jun 10, 2016 at 12:03 AM, Yak-List Digest Server <yak-list(at)matronics.com (yak-list(at)matronics.com)> wrote: | Quote: |
*
=========================
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=2016-06-09&Archive=Yak
Text Version:
http://www.matronics.com/digest/digestview.php?Style=82701&View=txt&Chapter=2016-06-09&Archive=Yak
=======================
EMail Version of Today's List Digest Archive
=======================
----------------------------------------------------------
Yak-List Digest Archive
---
Total Messages Posted Thu 06/09/16: 4
----------------------------------------------------------
Today's Message Index:
----------------------
1. 04:50 AM - Re: (Richard Goode)
2. 04:29 PM - gear handle hiss (danbooker)
3. 04:51 PM - Re: gear handle hiss (doug sapp)
4. 06:27 PM - Brake drum wear info (doug sapp)
________________________________ Message 1 _____________________________________
Time: 04:50:46 AM PST US
From: "Richard Goode" <richard.goode(at)russianaeros.com (richard.goode(at)russianaeros.com)>
Subject: RE: Yak-List:
While I suspect there are good sources of this in the US, it took us a
lot of research to find a European source for high quality homes when
our Russian supplies dried up. But we now have a good source, and charge
Euro 45 =93 today $58 for sufficient material for the 18 tubes.
They are 2 mm smaller outside diameter, so we have a supply nice plated
clamps which are Euro 32 ($41) for 18.
Richard Goode Aerobatics
Rhodds Farm
Lyonshall
Hereford
HR5 3LW
Tel: +44 (0) 1544 340120
Fax: +44 (0) 1544 340129
www.russianaeros.com
From: owner-yak-list-server(at)matronics.com (owner-yak-list-server(at)matronics.com)
[mailto:owner-yak-list-server(at)matronics.com (owner-yak-list-server(at)matronics.com)] On Behalf Of Robert
Schwartz
Sent: 08 June 2016 21:22
Subject: Yak-List:
Looking for a source of fresh high quality metric hose for the pushrods
on yak 52 engine
Thanks
Sent from Yahoo Mail on Android
<https://overview.mail.yahoo.com/mobile/?.src=Android>
--
This message has been scanned for viruses and
dangerous content by <http://www.mailscanner.info/> MailScanner, and is
believed to be clean.
________________________________ Message 2 _____________________________________
Time: 04:29:57 PM PST US
Subject: gear handle hiss
From: "danbooker" <danbooker(at)hotmail.com (danbooker(at)hotmail.com)>
Sometimes, not always, I have a hiss coming from behind the gear handle. Is there
something back ther that needs mx once in a while? Also, who sells the brake
reducing box overhaul kit (the little box under right side of pilot seat)
--------
Daniel Booker
"Stealth-Eagle Aviation"
[url=tel:2312457798]2312457798[/url]
danbooker(at)hotmail.com (danbooker(at)hotmail.com)
Read this topic online here:
http://forums.matronics.com/viewtopic.php?p=456998#456998
________________________________ Message 3 _____________________________________
Time: 04:51:17 PM PST US
From: doug sapp <dougsappllc(at)gmail.com (dougsappllc(at)gmail.com)>
Subject: Re: gear handle hiss
Dan,
The pneumatic system (gear and flap valves in the cockpits) normally vent
to the atmosphere via holes in these valves, that is the hiss you hear when
the gear/flaps go up and down. You should hear it EVERY time the system
cycles.
It's really hard for me to determine what you need by your description "brake
reducing box overhaul kit (the little box under right side of pilot seat)"
This is why god invented part numbers! Check your parts books (Vol #1)
or if you don't have a set go to my web site http://cj6.com/ and you will
find a set there, or give me a call [url=tel:%28509-826-4610](509-826-4610[/url]) so I can better
understand and make sure you get the correct parts.
Doug
On Thu, Jun 9, 2016 at 4:29 PM, danbooker <danbooker(at)hotmail.com (danbooker(at)hotmail.com)> wrote:
________________________________ Message 4 _____________________________________
Time: 06:27:55 PM PST US
From: doug sapp <dougsappllc(at)gmail.com (dougsappllc(at)gmail.com)>
Subject: Brake drum wear info
Listers and Lurkers:
I have always wondered if there was actually a published max wear
measurement for the Yak/CJ brake drum. So today I decided to practice what
I preach and sat down with a stack of manuals and started reading. It's
amazing what can be found with a bit of due diligence. I found the info in
the PT-6 Trainer Aircraft Overhaul Manual (Airframe Accessories).
Oddly enough section 12-1 "Brake Disk" only yielded the minimum thickness
of the brake pad, which is 8mm.
Section 11-1 "Landing gear Wheel" explains the max number of and depth of
groves in the brake drum and mentions that the drum can be turned to a
MAXIMUM ID of 196mm. It goes on to say that if the drum is blank it should
be turned out to 195mm (new dia). If you do the math this works out to
just shy of .040 worth of wear. I am sure these numbers will be applicable
to the Yak 18T,50,52 and the CJ6 and many others.
Some of you may recall a shipment of brake drums which were found to be to
small in the ID to fit over the pads. These must have been the blank drums
as described in section 11-1.
All good info.
Best,
Doug
===========
List" rel="noreferrer" target="_blank">http://www.matronics.com/Navigator?Yak-List
===========
FORUMS -
eferrer" target="_blank">http://forums.matronics.com
===========
WIKI -
errer" target="_blank">http://wiki.matronics.com
===========
b Site -
-Matt Dralle, List Admin.
rel="noreferrer" target="_blank">http://www.matronics.com/contribution
===========
|
| | - The Matronics Yak-List Email Forum - | | | Use the List Feature Navigator to browse the many List utilities available such as the Email Subscriptions page, Archive Search & Download, 7-Day Browse, Chat, FAQ, Photoshare, and much more:
http://www.matronics.com/Navigator?Yak-List |
|
| Description: |
|
Download |
| Filename: |
GRED_Weight_and_Balance.xls |
| Filesize: |
54 KB |
| Downloaded: |
245 Time(s) |
|
|
| Back to top |
|
|
jbsoar(at)gmail.com
Guest
|
| Posted: Fri Jun 10, 2016 2:18 pm Post subject: Yak-List Digest: 4 Msgs - 06/09/16 |
|
|
Royden-
Thank you!
I'll open it tonight.
Working now...
Sent from my iPhone
On Jun 10, 2016, at 5:15 PM, Royden Heays <heaysr(at)telus.net (heaysr(at)telus.net)> wrote:
| Quote: | <![endif]--> <![endif]-->
Hi John
Attached is a weight and balance diagram for my Yak.
Regards
Royden
From: owner-yak-list-server(at)matronics.com (owner-yak-list-server(at)matronics.com) [mailto:owner-yak-list-server(at)matronics.com (owner-yak-list-server(at)matronics.com)] On Behalf Of John B
Sent: Friday, June 10, 2016 1:41 AM
To: Yak-List Digest Server <yak-list(at)matronics.com (yak-list(at)matronics.com)>
Subject: Re: Yak-List Digest: 4 Msgs - 06/09/16
Gentlemen-
Does anyone have weight and balance instructions and limits for the Yak 55M?
Thank you!
John B
On Fri, Jun 10, 2016 at 12:03 AM, Yak-List Digest Server <yak-list(at)matronics.com (yak-list(at)matronics.com)> wrote: | Quote: |
*
=========================
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=2016-06-09&Archive=Yak
Text Version:
http://www.matronics.com/digest/digestview.php?Style=82701&View=txt&Chapter=2016-06-09&Archive=Yak
=======================
EMail Version of Today's List Digest Archive
=======================
----------------------------------------------------------
Yak-List Digest Archive
---
Total Messages Posted Thu 06/09/16: 4
----------------------------------------------------------
Today's Message Index:
----------------------
1. 04:50 AM - Re: (Richard Goode)
2. 04:29 PM - gear handle hiss (danbooker)
3. 04:51 PM - Re: gear handle hiss (doug sapp)
4. 06:27 PM - Brake drum wear info (doug sapp)
________________________________ Message 1 _____________________________________
Time: 04:50:46 AM PST US
From: "Richard Goode" <richard.goode(at)russianaeros.com (richard.goode(at)russianaeros.com)>
Subject: RE: Yak-List:
While I suspect there are good sources of this in the US, it took us a
lot of research to find a European source for high quality homes when
our Russian supplies dried up. But we now have a good source, and charge
Euro 45 =93 today $58 for sufficient material for the 18 tubes.
They are 2 mm smaller outside diameter, so we have a supply nice plated
clamps which are Euro 32 ($41) for 18.
Richard Goode Aerobatics
Rhodds Farm
Lyonshall
Hereford
HR5 3LW
Tel: +44 (0) 1544 340120
Fax: +44 (0) 1544 340129
www.russianaeros.com
From: owner-yak-list-server(at)matronics.com (owner-yak-list-server(at)matronics.com)
[mailto:owner-yak-list-server(at)matronics.com (owner-yak-list-server(at)matronics.com)] On Behalf Of Robert
Schwartz
Sent: 08 June 2016 21:22
Subject: Yak-List:
Looking for a source of fresh high quality metric hose for the pushrods
on yak 52 engine
Thanks
Sent from Yahoo Mail on Android
<https://overview.mail.yahoo.com/mobile/?.src=Android>
--
This message has been scanned for viruses and
dangerous content by <http://www.mailscanner.info/> MailScanner, and is
believed to be clean.
________________________________ Message 2 _____________________________________
Time: 04:29:57 PM PST US
Subject: gear handle hiss
From: "danbooker" <danbooker(at)hotmail.com (danbooker(at)hotmail.com)>
Sometimes, not always, I have a hiss coming from behind the gear handle. Is there
something back ther that needs mx once in a while? Also, who sells the brake
reducing box overhaul kit (the little box under right side of pilot seat)
--------
Daniel Booker
"Stealth-Eagle Aviation"
[url=tel:2312457798]2312457798[/url]
danbooker(at)hotmail.com (danbooker(at)hotmail.com)
Read this topic online here:
http://forums.matronics.com/viewtopic.php?p=456998#456998
________________________________ Message 3 _____________________________________
Time: 04:51:17 PM PST US
From: doug sapp <dougsappllc(at)gmail.com (dougsappllc(at)gmail.com)>
Subject: Re: gear handle hiss
Dan,
The pneumatic system (gear and flap valves in the cockpits) normally vent
to the atmosphere via holes in these valves, that is the hiss you hear when
the gear/flaps go up and down. You should hear it EVERY time the system
cycles.
It's really hard for me to determine what you need by your description "brake
reducing box overhaul kit (the little box under right side of pilot seat)"
This is why god invented part numbers! Check your parts books (Vol #1)
or if you don't have a set go to my web site http://cj6.com/ and you will
find a set there, or give me a call [url=tel:%28509-826-4610](509-826-4610[/url]) so I can better
understand and make sure you get the correct parts.
Doug
On Thu, Jun 9, 2016 at 4:29 PM, danbooker <danbooker(at)hotmail.com (danbooker(at)hotmail.com)> wrote:
________________________________ Message 4 _____________________________________
Time: 06:27:55 PM PST US
From: doug sapp <dougsappllc(at)gmail.com (dougsappllc(at)gmail.com)>
Subject: Brake drum wear info
Listers and Lurkers:
I have always wondered if there was actually a published max wear
measurement for the Yak/CJ brake drum. So today I decided to practice what
I preach and sat down with a stack of manuals and started reading. It's
amazing what can be found with a bit of due diligence. I found the info in
the PT-6 Trainer Aircraft Overhaul Manual (Airframe Accessories).
Oddly enough section 12-1 "Brake Disk" only yielded the minimum thickness
of the brake pad, which is 8mm.
Section 11-1 "Landing gear Wheel" explains the max number of and depth of
groves in the brake drum and mentions that the drum can be turned to a
MAXIMUM ID of 196mm. It goes on to say that if the drum is blank it should
be turned out to 195mm (new dia). If you do the math this works out to
just shy of .040 worth of wear. I am sure these numbers will be applicable
to the Yak 18T,50,52 and the CJ6 and many others.
Some of you may recall a shipment of brake drums which were found to be to
small in the ID to fit over the pads. These must have been the blank drums
as described in section 11-1.
All good info.
Best,
Doug
===========
List" rel="noreferrer" target="_blank">http://www.matronics.com/Navigator?Yak-List
===========
FORUMS -
eferrer" target="_blank">http://forums.matronics.com
===========
WIKI -
errer" target="_blank">http://wiki.matronics.com
===========
b Site -
-Matt Dralle, List Admin.
rel="noreferrer" target="_blank">http://www.matronics.com/contribution
===========
|
<GRED Weight and Balance.xls>
|
| | - The Matronics Yak-List Email Forum - | | | Use the List Feature Navigator to browse the many List utilities available such as the Email Subscriptions page, Archive Search & Download, 7-Day Browse, Chat, FAQ, Photoshare, and much more:
http://www.matronics.com/Navigator?Yak-List |
|
|
|
| Back to top |
|
|
jbsoar(at)gmail.com
Guest
|
| Posted: Fri Jun 10, 2016 8:17 pm Post subject: Yak-List Digest: 4 Msgs - 06/09/16 |
|
|
Royden-
Thank you!
I'll open it tonight.
Working now...
Sent from my iPhone
On Jun 10, 2016, at 5:15 PM, Royden Heays <heaysr(at)telus.net (heaysr(at)telus.net)> wrote:
| Quote: | <![endif]--> <![endif]-->
Hi John
Attached is a weight and balance diagram for my Yak.
Regards
Royden
From: owner-yak-list-server(at)matronics.com (owner-yak-list-server(at)matronics.com) [mailto:owner-yak-list-server(at)matronics.com (owner-yak-list-server(at)matronics.com)] On Behalf Of John B
Sent: Friday, June 10, 2016 1:41 AM
To: Yak-List Digest Server <yak-list(at)matronics.com (yak-list(at)matronics.com)>
Subject: Re: Yak-List Digest: 4 Msgs - 06/09/16
Gentlemen-
Does anyone have weight and balance instructions and limits for the Yak 55M?
Thank you!
John B
On Fri, Jun 10, 2016 at 12:03 AM, Yak-List Digest Server <yak-list(at)matronics.com (yak-list(at)matronics.com)> wrote: | Quote: |
*
=========================
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=2016-06-09&Archive=Yak
Text Version:
http://www.matronics.com/digest/digestview.php?Style=82701&View=txt&Chapter=2016-06-09&Archive=Yak
=======================
EMail Version of Today's List Digest Archive
=======================
----------------------------------------------------------
Yak-List Digest Archive
---
Total Messages Posted Thu 06/09/16: 4
----------------------------------------------------------
Today's Message Index:
----------------------
1. 04:50 AM - Re: (Richard Goode)
2. 04:29 PM - gear handle hiss (danbooker)
3. 04:51 PM - Re: gear handle hiss (doug sapp)
4. 06:27 PM - Brake drum wear info (doug sapp)
________________________________ Message 1 _____________________________________
Time: 04:50:46 AM PST US
From: "Richard Goode" <richard.goode(at)russianaeros.com (richard.goode(at)russianaeros.com)>
Subject: RE: Yak-List:
While I suspect there are good sources of this in the US, it took us a
lot of research to find a European source for high quality homes when
our Russian supplies dried up. But we now have a good source, and charge
Euro 45 =93 today $58 for sufficient material for the 18 tubes.
They are 2 mm smaller outside diameter, so we have a supply nice plated
clamps which are Euro 32 ($41) for 18.
Richard Goode Aerobatics
Rhodds Farm
Lyonshall
Hereford
HR5 3LW
Tel: +44 (0) 1544 340120
Fax: +44 (0) 1544 340129
www.russianaeros.com
From: owner-yak-list-server(at)matronics.com (owner-yak-list-server(at)matronics.com)
[mailto:owner-yak-list-server(at)matronics.com (owner-yak-list-server(at)matronics.com)] On Behalf Of Robert
Schwartz
Sent: 08 June 2016 21:22
Subject: Yak-List:
Looking for a source of fresh high quality metric hose for the pushrods
on yak 52 engine
Thanks
Sent from Yahoo Mail on Android
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________________________________ Message 2 _____________________________________
Time: 04:29:57 PM PST US
Subject: gear handle hiss
From: "danbooker" <danbooker(at)hotmail.com (danbooker(at)hotmail.com)>
Sometimes, not always, I have a hiss coming from behind the gear handle. Is there
something back ther that needs mx once in a while? Also, who sells the brake
reducing box overhaul kit (the little box under right side of pilot seat)
--------
Daniel Booker
"Stealth-Eagle Aviation"
[url=tel:2312457798]2312457798[/url]
danbooker(at)hotmail.com (danbooker(at)hotmail.com)
Read this topic online here:
http://forums.matronics.com/viewtopic.php?p=456998#456998
________________________________ Message 3 _____________________________________
Time: 04:51:17 PM PST US
From: doug sapp <dougsappllc(at)gmail.com (dougsappllc(at)gmail.com)>
Subject: Re: gear handle hiss
Dan,
The pneumatic system (gear and flap valves in the cockpits) normally vent
to the atmosphere via holes in these valves, that is the hiss you hear when
the gear/flaps go up and down. You should hear it EVERY time the system
cycles.
It's really hard for me to determine what you need by your description "brake
reducing box overhaul kit (the little box under right side of pilot seat)"
This is why god invented part numbers! Check your parts books (Vol #1)
or if you don't have a set go to my web site http://cj6.com/ and you will
find a set there, or give me a call [url=tel:%28509-826-4610](509-826-4610[/url]) so I can better
understand and make sure you get the correct parts.
Doug
On Thu, Jun 9, 2016 at 4:29 PM, danbooker <danbooker(at)hotmail.com (danbooker(at)hotmail.com)> wrote:
________________________________ Message 4 _____________________________________
Time: 06:27:55 PM PST US
From: doug sapp <dougsappllc(at)gmail.com (dougsappllc(at)gmail.com)>
Subject: Brake drum wear info
Listers and Lurkers:
I have always wondered if there was actually a published max wear
measurement for the Yak/CJ brake drum. So today I decided to practice what
I preach and sat down with a stack of manuals and started reading. It's
amazing what can be found with a bit of due diligence. I found the info in
the PT-6 Trainer Aircraft Overhaul Manual (Airframe Accessories).
Oddly enough section 12-1 "Brake Disk" only yielded the minimum thickness
of the brake pad, which is 8mm.
Section 11-1 "Landing gear Wheel" explains the max number of and depth of
groves in the brake drum and mentions that the drum can be turned to a
MAXIMUM ID of 196mm. It goes on to say that if the drum is blank it should
be turned out to 195mm (new dia). If you do the math this works out to
just shy of .040 worth of wear. I am sure these numbers will be applicable
to the Yak 18T,50,52 and the CJ6 and many others.
Some of you may recall a shipment of brake drums which were found to be to
small in the ID to fit over the pads. These must have been the blank drums
as described in section 11-1.
All good info.
Best,
Doug
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