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Yak elevator

 
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wise(at)txc.net.au
Guest
PostPosted: Mon Feb 20, 2012 1:16 pm    Post subject: Yak elevator Reply with quote
G’Day All,

Can someone please advise of the problem with the Yak elevator and what the fix is.
I would greatly appreciate some photo’s of the problem and the fix if anyone has any.

Thanks and cheers,
Chris Wise.
(Downunder)
[quote][b]

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cjpilot710(at)aol.com
Guest
PostPosted: Mon Feb 20, 2012 1:28 pm    Post subject: Yak elevator Reply with quote
Chris,
I assure you are referring to some crashes. There are very close clearances of control horns to air frame in the tail of the Yaks.  Any kind of foreign object that happen to get into that area, will almost certainly jam it. Therefore it behooves one to check regularly for ANYTHING that might migrate back there. This would include anything that might fall out of one's pockets, particularly during acro. Although this is true of ANY airplane, the Yak is very susceptible. Are "fix's".

Jim "Pappy" Goolsby

In a message dated 2/20/2012 4:16:53 P.M. Eastern Standard Time, wise(at)txc.net.au writes:
Quote:

G’Day All,

Can someone please advise of the problem with the Yak elevator and what the fix is.
I would greatly appreciate some photo’s of the problem and the fix if anyone has any.

Thanks and cheers,
Chris Wise.
(Downunder)
Quote:


="http://www.matronics.com/Navigator?Yak-List">http://www.matronics.com/Navigator?Yak-List
s.matronics.com/">http://forums.matronics.com
p://www.matronics.com/contribution">http://www.matronics.com/contribution


[quote][b]

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wise(at)txc.net.au
Guest
PostPosted: Mon Feb 20, 2012 2:06 pm    Post subject: Yak elevator Reply with quote
G’Day Pappy,

Thanks for that.
I am fully aware of foreign objects and I believe that that was the reason for the crash in New Zealand.
Was it a screwdriver that jammed the elevator?

What I am trying to determine, is as I understand, a problem in the tail sector, is it the elevator bellcrank?
I was told on Sunday that the Yaks tailplanes are now subject to a 25 hour inspection schedule due to some failure.
So what is the problem?
What is the fix?
Does anyone have any photographs relating to this?

Thanks and cheers,
Chris.

From: owner-yak-list-server(at)matronics.com [mailto:owner-yak-list-server(at)matronics.com] On Behalf Of cjpilot710(at)aol.com
Sent: Tuesday, 21 February 2012 7:58 AM
To: yak-list(at)matronics.com
Subject: Re: Yak elevator

Chris,

I assure you are referring to some crashes. There are very close clearances of control horns to air frame in the tail of the Yaks. Any kind of foreign object that happen to get into that area, will almost certainly jam it. Therefore it behooves one to check regularly for ANYTHING that might migrate back there. This would include anything that might fall out of one's pockets, particularly during acro. Although this is true of ANY airplane, the Yak is very susceptible. Are "fix's".

 

Jim "Pappy" Goolsby

 

In a message dated 2/20/2012 4:16:53 P.M. Eastern Standard Time, wise(at)txc.net.au (wise(at)txc.net.au) writes:
Quote:

G’Day All,

Can someone please advise of the problem with the Yak elevator and what the fix is.
I would greatly appreciate some photo’s of the problem and the fix if anyone has any.

Thanks and cheers,
Chris Wise.
(Downunder)
Quote:
="http://www.matronics.com/Navigator?Yak-List">http://www.matronics.com/Navigator?Yak-Lists.matronics.com/">http://forums.matronics.comp://www.matronics.com/contribution">http://www.matronics.com/contribution
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wlannon(at)shaw.ca
Guest
PostPosted: Mon Feb 20, 2012 2:07 pm    Post subject: Yak elevator Reply with quote
I addition to the “foreign object” item there is a problem with fatigue cracking of the elevator bellcrank (Yak 52) and loss of elevator control. I do not know all the details but believe there is an airworthiness directive on the subject. Suggest you contact Richard Goode in the UK.
Walt

From: cjpilot710(at)aol.com (cjpilot710(at)aol.com)
Sent: Monday, February 20, 2012 1:27 PM
To: yak-list(at)matronics.com (yak-list(at)matronics.com)
Subject: Re: Yak elevator


Chris,
I assure you are referring to some crashes. There are very close clearances of control horns to air frame in the tail of the Yaks. Any kind of foreign object that happen to get into that area, will almost certainly jam it. Therefore it behooves one to check regularly for ANYTHING that might migrate back there. This would include anything that might fall out of one's pockets, particularly during acro. Although this is true of ANY airplane, the Yak is very susceptible. Are "fix's".

Jim "Pappy" Goolsby

In a message dated 2/20/2012 4:16:53 P.M. Eastern Standard Time, wise(at)txc.net.au writes:
Quote:

G’Day All,

Can someone please advise of the problem with the Yak elevator and what the fix is.
I would greatly appreciate some photo’s of the problem and the fix if anyone has any.

Thanks and cheers,
Chris Wise.
(Downunder)
Quote:


="http://www.matronics.com/Navigator?Yak-List">http://www.matronics.com/Navigator?Yak-List
s.matronics.com/">http://forums.matronics.com
p://www.matronics.com/contribution">http://www.matronics.com/contribution


[quote]

href="http://www.matronics.com/Navigator?Yak-List">http://www.matronics.com/Navigator?Yak-List
href="http://forums.matronics.com">http://forums.matronics.com
href="http://www.matronics.com/contribution">http://www.matronics.com/c
[b]

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Vic



Joined: 12 Aug 2008
Posts: 116
Location: Southern Bavaria
PostPosted: Mon Feb 20, 2012 3:13 pm    Post subject: Re: Yak elevator Reply with quote
Hi Chris,

this problem is specific for the 52 and and you are running an 18 T ? If I remember correctly Andrey Gluchov has told me that the replacement items are copied in steel to avoid cracks in the elevator aluminium bell cranks. There must have been a series which was not manufactured according to original design.

Cheers

Vic

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wise(at)txc.net.au
Guest
PostPosted: Mon Feb 20, 2012 3:34 pm    Post subject: Yak elevator Reply with quote
G'day Vic,

Yes, I am running a 18T.
I have 2 friends with 52's and they raised the subject with me.
Plus my LAME has a number of 52's as well as 18's that he looks after and is
also interested in any information on the subject.
I have been nominated as the gopher to source the info. Bugger is'nt it.

Thanks and cheers,
Chris.

--

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dsavarese0812(at)bellsout
Guest
PostPosted: Mon Feb 20, 2012 5:53 pm    Post subject: Yak elevator Reply with quote
From what I understand Chris, there WAS a Yak 52 where the elevator bellcrank cracked at the point where the elevator counterweight is mounted.  I personally have not seen a cracked elevator bellcrank.  But that certainly doesn't mean there aren't any out there.  The fix is replacing the old with a new elevator bellcrank.

The attached information should answer all your questions.
Dennis


Quote:
A. Dennis Savarese
334-285-6263
334-546-8182 (cell)
Skype: Yakguy1
www.yak-52.com

On 2/20/2012 4:05 PM, Chris Wise wrote:
Quote:
<![endif]--> <![endif]-->
G’Day Pappy,
 
Thanks for that.
I am fully aware of foreign objects and I believe that that was the reason for the crash in New Zealand.
Was it a screwdriver that jammed the elevator?
 
What I am trying to determine, is as I understand, a problem in the tail sector, is it the elevator bellcrank?
I was told on Sunday that the Yaks tailplanes are now subject to a 25 hour inspection schedule due to some failure.
So what is the problem?
What is the fix?
Does anyone have any photographs relating to this?
 
Thanks and cheers,
Chris.
 
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 cjpilot710(at)aol.com (cjpilot710(at)aol.com)
Sent: Tuesday, 21 February 2012 7:58 AM
To: yak-list(at)matronics.com (yak-list(at)matronics.com)
Subject: Re: Yak elevator


 
Chris,

I assure you are referring to some crashes.  There are very close clearances of control horns to air frame in the tail of the Yaks.  Any kind of foreign object that happen to get into that area, will almost certainly jam it.  Therefore it behooves one to check regularly for ANYTHING that might migrate back there.  This would include anything that might fall out of one's pockets, particularly during acro.  Although this is true of ANY airplane, the Yak is very susceptible.  Are "fix's". 

 

Jim "Pappy" Goolsby

 

In a message dated 2/20/2012 4:16:53 P.M. Eastern Standard Time, wise(at)txc.net.au (wise(at)txc.net.au) writes:
Quote:

G’Day All,
 
Can someone please advise of the problem with the Yak elevator and what the fix is.
I would greatly appreciate some photo’s of the problem and the fix if anyone has any.
 
Thanks and cheers,
Chris Wise.
(Downunder)
Quote:
  ="http://www.matronics.com/Navigator?Yak-List">http://www.matronics.com/Navigator?Yak-Lists.matronics.com/">http://forums.matronics.comp://www.matronics.com/contribution">http://www.matronics.com/contribution 
   
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wise(at)txc.net.au
Guest
PostPosted: Mon Feb 20, 2012 6:58 pm    Post subject: Yak elevator Reply with quote
Thanks Dennis.

It is becoming very clear.

Cheers,
Chris.

From: owner-yak-list-server(at)matronics.com [mailto:owner-yak-list-server(at)matronics.com] On Behalf Of A. Dennis Savarese
Sent: Tuesday, 21 February 2012 12:22 PM
To: yak-list(at)matronics.com
Subject: Re: Yak elevator

From what I understand Chris, there WAS a Yak 52 where the elevator bellcrank cracked at the point where the elevator counterweight is mounted. I personally have not seen a cracked elevator bellcrank. But that certainly doesn't mean there aren't any out there. The fix is replacing the old with a new elevator bellcrank.

The attached information should answer all your questions.
Dennis

Quote:
A. Dennis Savarese334-285-6263334-546-8182 (cell)Skype: Yakguy1www.yak-52.com


On 2/20/2012 4:05 PM, Chris Wise wrote:
G’Day Pappy,

Thanks for that.
I am fully aware of foreign objects and I believe that that was the reason for the crash in New Zealand.
Was it a screwdriver that jammed the elevator?

What I am trying to determine, is as I understand, a problem in the tail sector, is it the elevator bellcrank?
I was told on Sunday that the Yaks tailplanes are now subject to a 25 hour inspection schedule due to some failure.
So what is the problem?
What is the fix?
Does anyone have any photographs relating to this?

Thanks and cheers,
Chris.

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 cjpilot710(at)aol.com (cjpilot710(at)aol.com)
Sent: Tuesday, 21 February 2012 7:58 AM
To: yak-list(at)matronics.com (yak-list(at)matronics.com)
Subject: Re: Yak elevator

Chris,

I assure you are referring to some crashes. There are very close clearances of control horns to air frame in the tail of the Yaks. Any kind of foreign object that happen to get into that area, will almost certainly jam it. Therefore it behooves one to check regularly for ANYTHING that might migrate back there. This would include anything that might fall out of one's pockets, particularly during acro. Although this is true of ANY airplane, the Yak is very susceptible. Are "fix's".



Jim "Pappy" Goolsby



In a message dated 2/20/2012 4:16:53 P.M. Eastern Standard Time, wise(at)txc.net.au (wise(at)txc.net.au) writes:
Quote:

G’Day All,

Can someone please advise of the problem with the Yak elevator and what the fix is.
I would greatly appreciate some photo’s of the problem and the fix if anyone has any.

Thanks and cheers,
Chris Wise.
(Downunder)
Quote:
="http://www.matronics.com/Navigator?Yak-List">http://www.matronics.com/Navigator?Yak-Lists.matronics.com/">http://forums.matronics.comp://www.matronics.com/contribution">http://www.matronics.com/contribution334-285-6263
0334-285-6263
1
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334-285-6263
2
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334-285-6263
3
Quote:
334-285-6263
4
Quote:
334-285-6263
5
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334-285-6263
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334-285-6263
7
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334-285-6263
8
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334-285-6263
9
[quote][b]

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wlannon(at)shaw.ca
Guest
PostPosted: Mon Feb 20, 2012 7:06 pm    Post subject: Yak elevator Reply with quote
Hi Dennis;

A cracked one was found here a few months back just after the problem was first posted on the list. It was found during an inspection generated by that information. The list works!

Walt

From: A. Dennis Savarese (dsavarese0812(at)bellsouth.net)
Sent: Monday, February 20, 2012 5:51 PM
To: yak-list(at)matronics.com (yak-list(at)matronics.com)
Subject: Re: Yak elevator


From what I understand Chris, there WAS a Yak 52 where the elevator bellcrank cracked at the point where the elevator counterweight is mounted. I personally have not seen a cracked elevator bellcrank. But that certainly doesn't mean there aren't any out there. The fix is replacing the old with a new elevator bellcrank.

The attached information should answer all your questions.
Dennis
Quote:
A. Dennis Savarese
334-285-6263
334-546-8182 (cell)
Skype: Yakguy1
www.yak-52.com

On 2/20/2012 4:05 PM, Chris Wise wrote:
Quote:

G’Day Pappy,

Thanks for that.
I am fully aware of foreign objects and I believe that that was the reason for the crash in New Zealand.
Was it a screwdriver that jammed the elevator?

What I am trying to determine, is as I understand, a problem in the tail sector, is it the elevator bellcrank?
I was told on Sunday that the Yaks tailplanes are now subject to a 25 hour inspection schedule due to some failure.
So what is the problem?
What is the fix?
Does anyone have any photographs relating to this?

Thanks and cheers,
Chris.

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 cjpilot710(at)aol.com (cjpilot710(at)aol.com)
Sent: Tuesday, 21 February 2012 7:58 AM
To: yak-list(at)matronics.com (yak-list(at)matronics.com)
Subject: Re: Yak elevator



Chris,

I assure you are referring to some crashes. There are very close clearances of control horns to air frame in the tail of the Yaks. Any kind of foreign object that happen to get into that area, will almost certainly jam it. Therefore it behooves one to check regularly for ANYTHING that might migrate back there. This would include anything that might fall out of one's pockets, particularly during acro. Although this is true of ANY airplane, the Yak is very susceptible. Are "fix's".



Jim "Pappy" Goolsby



In a message dated 2/20/2012 4:16:53 P.M. Eastern Standard Time, wise(at)txc.net.au (wise(at)txc.net.au) writes:
Quote:

G’Day All,

Can someone please advise of the problem with the Yak elevator and what the fix is.
I would greatly appreciate some photo’s of the problem and the fix if anyone has any.

Thanks and cheers,
Chris Wise.
(Downunder)
Quote:
="http://www.matronics.com/Navigator?Yak-List">http://www.matronics.com/Navigator?Yak-Lists.matronics.com/">http://forums.matronics.comp://www.matronics.com/contribution">http://www.matronics.com/contribution
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[quote][b]

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ssssskippy



Joined: 02 May 2010
Posts: 58
PostPosted: Tue Feb 21, 2012 1:58 am    Post subject: Yak elevator Reply with quote
Hi

Here is the Yakovlev decision: http://www.termikas.com/news/DECISION%20%E2%84%96%20%D0%91-46_52-11.doc

And here is the replacement procédure:  http://www.termikas.com/news/sector%20replacement.pdf

Have nice flights

Olivier
2012/2/21 Walter Lannon <wlannon(at)shaw.ca (wlannon(at)shaw.ca)>
[quote] Hi Dennis;
 
A cracked one was found here a few months back just after the problem was first posted on the list.  It was found during an inspection generated by that information.  The list works!
 
Walt
 
From: A. Dennis Savarese (dsavarese0812(at)bellsouth.net)
Sent: Monday, February 20, 2012 5:51 PM
To: yak-list(at)matronics.com (yak-list(at)matronics.com)
Subject: Re: Yak elevator


 

From what I understand Chris, there WAS a Yak 52 where the elevator bellcrank cracked at the point where the elevator counterweight is mounted.  I personally have not seen a cracked elevator bellcrank.  But that certainly doesn't mean there aren't any out there.  The fix is replacing the old with a new elevator bellcrank.

The attached information should answer all your questions.
Dennis
Quote:
A. Dennis Savarese
[url=tel:334-285-6263]334-285-6263[/url]
[url=tel:334-546-8182]334-546-8182[/url] (cell)
Skype: Yakguy1
www.yak-52.com

On 2/20/2012 4:05 PM, Chris Wise wrote:
Quote:

G’Day Pappy,
 
Thanks for that.
I am fully aware of foreign objects and I believe that that was the reason for the crash in New Zealand.
Was it a screwdriver that jammed the elevator?
 
What I am trying to determine, is as I understand, a problem in the tail sector, is it the elevator bellcrank?
I was told on Sunday that the Yaks tailplanes are now subject to a 25 hour inspection schedule due to some failure.
So what is the problem?
What is the fix?
Does anyone have any photographs relating to this?
 
Thanks and cheers,
Chris.
 
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 cjpilot710(at)aol.com (cjpilot710(at)aol.com)
Sent: Tuesday, 21 February 2012 7:58 AM
To: yak-list(at)matronics.com (yak-list(at)matronics.com)
Subject: Re: Yak elevator


 
Chris,

I assure you are referring to some crashes.  There are very close clearances of control horns to air frame in the tail of the Yaks.  Any kind of foreign object that happen to get into that area, will almost certainly jam it.  Therefore it behooves one to check regularly for ANYTHING that might migrate back there.  This would include anything that might fall out of one's pockets, particularly during acro.  Although this is true of ANY airplane, the Yak is very susceptible.  Are "fix's".

 

Jim "Pappy" Goolsby

 

In a message dated 2/20/2012 4:16:53 P.M. Eastern Standard Time, wise(at)txc.net.au (wise(at)txc.net.au) writes:
Quote:

G’Day All,
 
Can someone please advise of the problem with the Yak elevator and what the fix is.
I would greatly appreciate some photo’s of the problem and the fix if anyone has any.
 
Thanks and cheers,
Chris Wise.
(Downunder)
Quote:
  ="http://www.matronics.com/Navigator?Yak-List">http://www.matronics.com/Navigator?Yak-Lists.matronics.com/">http://forums.matronics.com
p://www.matronics.com/contribution">http://www.matronics.com/contribution 
   
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dsavarese0812(at)bellsout
Guest
PostPosted: Tue Feb 21, 2012 6:17 am    Post subject: Yak elevator Reply with quote
Hi Walt,
Yes, it most certainly does.
Dennis

A. Dennis Savarese
334-285-6263
334-546-8182 (cell)
Skype: Yakguy1
www.yak-52.com
On 2/20/2012 9:05 PM, Walter Lannon wrote:
Quote:
Hi Dennis;
A cracked one was found here a few months back just after the problem
was first posted on the list. It was found during an inspection
generated by that information. The list works!
Walt
*From:* A. Dennis Savarese <mailto:dsavarese0812(at)bellsouth.net>
*Sent:* Monday, February 20, 2012 5:51 PM
*To:* yak-list(at)matronics.com <mailto:yak-list(at)matronics.com>
*Subject:* Re: Yak elevator
From what I understand Chris, there WAS a Yak 52 where the elevator
bellcrank cracked at the point where the elevator counterweight is
mounted. I personally have not seen a cracked elevator bellcrank.
But that certainly doesn't mean there aren't any out there. The fix
is replacing the old with a new elevator bellcrank.

The attached information should answer all your questions.
Dennis
A. Dennis Savarese
334-285-6263
334-546-8182 (cell)
Skype: Yakguy1
www.yak-52.com

On 2/20/2012 4:05 PM, Chris Wise wrote:
>
> G’Day Pappy,
>
> Thanks for that.
>
> I am fully aware of foreign objects and I believe that that was the
> reason for the crash in New Zealand.
>
> Was it a screwdriver that jammed the elevator?
>
> What I am trying to determine, is as I understand, a problem in the
> tail sector, is it the elevator bellcrank?
>
> I was told on Sunday that the Yaks tailplanes are now subject to a 25
> hour inspection schedule due to some failure.
>
> So what is the problem?
>
> What is the fix?
>
> Does anyone have any photographs relating to this?
>
> Thanks and cheers,
>
> Chris.
>
> *From:*owner-yak-list-server(at)matronics.com
> [mailto:owner-yak-list-server(at)matronics.com] *On Behalf Of
> *cjpilot710(at)aol.com
> *Sent:* Tuesday, 21 February 2012 7:58 AM
> *To:* yak-list(at)matronics.com
> *Subject:* Re: Yak elevator
>
> Chris,
>
> I assure you are referring to some crashes. There are very close
> clearances of control horns to air frame in the tail of the Yaks.
> Any kind of foreign object that happen to get into that area, will
> almost certainly jam it. Therefore it behooves one to check
> regularly for ANYTHING that might migrate back there. This would
> include anything that might fall out of one's pockets, particularly
> during acro. Although this is true of ANY airplane, the Yak is very
> susceptible. Are "fix's".
>
> Jim "Pappy" Goolsby
>
> In a message dated 2/20/2012 4:16:53 P.M. Eastern Standard Time,
> wise(at)txc.net.au <mailto:wise(at)txc.net.au> writes:
>
> G’Day All,
>
> Can someone please advise of the problem with the Yak elevator
> and what the fix is.
>
> I would greatly appreciate some photo’s of the problem and the
> fix if anyone has any.
>
> Thanks and cheers,
>
> Chris Wise.
>
> (Downunder)
>
> **
>
> **
>
> *="http://www.matronics.com/Navigator?Yak-List">http://www.matronics.com/Navigator?Yak-List*
>
> *s.matronics.com/">http://forums.matronics.com*
>
> *p://www.matronics.com/contribution">http://www.matronics.com/contribution*
>
> **
>
> **
> **
> **
> **
> **
> **
> **
> *http://www.matronics.com/Navigator?Yak-List*
> **
> **
> *http://forums.matronics.com*
> **
> **
> **
> **
> *http://www.matronics.com/contribution*
> **
> **
> *
> *
*
*


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tigeryak18t



Joined: 26 Sep 2009
Posts: 233
Location: PARIS FRANCE
PostPosted: Tue Feb 21, 2012 1:54 pm    Post subject: Yak elevator Reply with quote
Have a look on the Termikas website and read the elevator discussion

http://www.termikas.com/

you will perhaps find your answer.

Didier
Le 21 février 2012 02:51, A. Dennis Savarese <dsavarese0812(at)bellsouth.net (dsavarese0812(at)bellsouth.net)> a écrit :
Quote:
From what I understand Chris, there WAS a Yak 52 where the elevator bellcrank cracked at the point where the elevator counterweight is mounted.  I personally have not seen a cracked elevator bellcrank.  But that certainly doesn't mean there aren't any out there.  The fix is replacing the old with a new elevator bellcrank.

The attached information should answer all your questions.
Dennis


Quote:
A. Dennis Savarese
[url=tel:334-285-6263]334-285-6263[/url]
[url=tel:334-546-8182]334-546-8182[/url] (cell)
Skype: Yakguy1
www.yak-52.com

On 2/20/2012 4:05 PM, Chris Wise wrote:
Quote:

G’Day Pappy,
 
Thanks for that.
I am fully aware of foreign objects and I believe that that was the reason for the crash in New Zealand.
Was it a screwdriver that jammed the elevator?
 
What I am trying to determine, is as I understand, a problem in the tail sector, is it the elevator bellcrank?
I was told on Sunday that the Yaks tailplanes are now subject to a 25 hour inspection schedule due to some failure.
So what is the problem?
What is the fix?
Does anyone have any photographs relating to this?
 
Thanks and cheers,
Chris.
 
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 cjpilot710(at)aol.com (cjpilot710(at)aol.com)
Sent: Tuesday, 21 February 2012 7:58 AM
To: yak-list(at)matronics.com (yak-list(at)matronics.com)
Subject: Re: Yak elevator


 
Chris,

I assure you are referring to some crashes.  There are very close clearances of control horns to air frame in the tail of the Yaks.  Any kind of foreign object that happen to get into that area, will almost certainly jam it.  Therefore it behooves one to check regularly for ANYTHING that might migrate back there.  This would include anything that might fall out of one's pockets, particularly during acro.  Although this is true of ANY airplane, the Yak is very susceptible.  Are "fix's". 

 

Jim "Pappy" Goolsby

 

In a message dated 2/20/2012 4:16:53 P.M. Eastern Standard Time, wise(at)txc.net.au (wise(at)txc.net.au) writes:
Quote:

G’Day All,
 
Can someone please advise of the problem with the Yak elevator and what the fix is.
I would greatly appreciate some photo’s of the problem and the fix if anyone has any.
 
Thanks and cheers,
Chris Wise.
(Downunder)
Quote:
  ="http://www.matronics.com/Navigator?Yak-List">http://www.matronics.com/Navigator?Yak-Lists.matronics.com/">http://forums.matronics.comp://www.matronics.com/contribution">http://www.matronics.com/contribution 
   
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--
____________________________
Didier BLOUZARD
Directeur Commercial DATEXIS Portable : +33 6 51 84 48 02
Email: didier.blouzard(at)gmail.com (didier.blouzard(at)anolistech.fr)

[quote][b]

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Etienne Verhellen



Joined: 13 Apr 2007
Posts: 141
Location: Belgium
PostPosted: Wed Feb 22, 2012 2:38 am    Post subject: Re: Yak elevator Reply with quote
This problem has been known for a while :
Crack in elevator control system pulley - UK CAA MPD : 2000-004 (27 July 2000). See attachment.
I am surprised Yak-52 pilots are just discovering it now (after the fatal accident in Russia).
It is a required inspection - annually for Yak-52 maintained under the supervision of the UK CAA.
There are of course other important Mandatory Permit Directives (MPD) issued by the UK Civil Aviation Authority for the Yak-52 :
http://www.yakuk.com/MPD.htm
Airframe life limit (confirmed by the Yakovlev Design Bureau) :
http://www.yakuk.com/MPD1998-017R5.pdf
http://www.yakuk.com/MPD2004-006.pdf
Etc ... etc ...

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Airframe Overhaul - MANDATORY (AS Yakovlev Design Bureau) - Yak_52_Life_Time_Bulletin.pdf
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Crack in elevator control system pulley - UK CAA MPD Nr 2000-004 -27 July 2000..doc
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nelsprague(at)hotmail.com
Guest
PostPosted: Fri Feb 24, 2012 9:11 am    Post subject: Yak elevator Reply with quote
I'll send you a picture of an elevator that failedand was hanging when flown home andluckily made it. Brian. Flew it just before failure. .nels

Didier Blouzard <didier.blouzard(at)gmail.com> wrote:

Quote:
Have a look on the Termikas website and read the elevator discussion

http://www.termikas.com/

you will perhaps find your answer.

Didier
Le 21 février 2012 02:51, A. Dennis Savarese
<dsavarese0812(at)bellsouth.net>a Ă©crit :

> From what I understand Chris, there WAS a Yak 52 where the elevator
> bellcrank cracked at the point where the elevator counterweight is
> mounted. I personally have not seen a cracked elevator bellcrank. But
> that certainly doesn't mean there aren't any out there. The fix is
> replacing the old with a new elevator bellcrank.
>
> The attached information should answer all your questions.
> Dennis
> A. Dennis Savarese334-285-6263334-546-8182 (cell)
> Skype: Yakguy1www.yak-52.com
> On 2/20/2012 4:05 PM, Chris Wise wrote:
>
> G’Day Pappy,****
>
> ** **
>
> Thanks for that.****
>
> I am fully aware of foreign objects and I believe that that was the reason
> for the crash in New Zealand.****
>
> Was it a screwdriver that jammed the elevator?****
>
> ** **
>
> What I am trying to determine, is as I understand, a problem in the tail
> sector, is it the elevator bellcrank? ****
>
> I was told on Sunday that the Yaks tailplanes are now subject to a 25 hour
> inspection schedule due to some failure.****
>
> So what is the problem?****
>
> What is the fix?****
>
> Does anyone have any photographs relating to this?****
>
> ** **
>
> Thanks and cheers,****
>
> Chris.****
>
> ** **
>
> *From:* 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 *cjpilot710(at)aol.com
> *Sent:* Tuesday, 21 February 2012 7:58 AM
> *To:* yak-list(at)matronics.com
> *Subject:* Re: Yak elevator****
>
> ** **
>
> Chris,****
>
> I assure you are referring to some crashes. There are very close
> clearances of control horns to air frame in the tail of the Yaks. Any kind
> of foreign object that happen to get into that area, will almost certainly
> jam it. Therefore it behooves one to check regularly for ANYTHING that
> might migrate back there. This would include anything that might fall out
> of one's pockets, particularly during acro. Although this is true of ANY
> airplane, the Yak is very susceptible. Are "fix's". ****
>
> ****
>
> Jim "Pappy" Goolsby****
>
> ****
>
> In a message dated 2/20/2012 4:16:53 P.M. Eastern Standard Time,
> wise(at)txc.net.au writes:****
>
> G’Day All,****
>
> ** **
>
> Can someone please advise of the problem with the Yak elevator and what
> the fix is.****
>
> I would greatly appreciate some photo’s of the problem and the fix if
> anyone has any.****
>
> ** **
>
> Thanks and cheers,****
>
> Chris Wise.****
>
> (Downunder)****
>
> * *
>
> * *
>
> *="http://www.matronics.com/Navigator?Yak-List">http://www.matronics.com/Navigator?Yak-List*
>
> *s.matronics.com/">http://forums.matronics.com*
>
> *p://www.matronics.com/contribution">http://www.matronics.com/contribution*
>
> * *
>
> * *
>
> * *
>
> **
>
> **
>
> **
>
> **
>
> **
>
> *http://www.matronics.com/Navigator?Yak-List*
>
> **
>
> **
>
> *http://forums.matronics.com*
>
> **
>
> **
>
> **
>
> **
>
> *http://www.matronics.com/contribution*
>
> **
>
> * *
>
> *
>
> *
--
____________________________
Didier BLOUZARD
Directeur Commercial DATEXIS
Portable : +33 6 51 84 48 02
Email: didier.blouzard(at)gmail.com <didier.blouzard(at)anolistech.fr>


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rijaeger(at)wausau.k12.wi
Guest
PostPosted: Fri Feb 24, 2012 11:04 am    Post subject: Yak elevator Reply with quote
Are you able to post the elevator failure photo on the list...or a link to it? Thanks!!



Quote:
>> Nelson Sprague <nelsprague(at)hotmail.com> 2/22/2012 12:35 PM >>>
--> Yak-List message posted by: Nelson Sprague <nelsprague(at)hotmail.com>


I'll send you a picture of an elevator that failedand was hanging when flown home andluckily made it. Brian. Flew it just before failure. .nels

Didier Blouzard <didier.blouzard(at)gmail.com> wrote:

Quote:
Have a look on the Termikas website and read the elevator discussion

http://www.termikas.com/

you will perhaps find your answer.

Didier
Le 21 février 2012 02:51, A. Dennis Savarese
<dsavarese0812(at)bellsouth.net>a Ă©crit :

> From what I understand Chris, there WAS a Yak 52 where the elevator
> bellcrank cracked at the point where the elevator counterweight is
> mounted. I personally have not seen a cracked elevator bellcrank. But
> that certainly doesn't mean there aren't any out there. The fix is
> replacing the old with a new elevator bellcrank.
>
> The attached information should answer all your questions.
> Dennis
>  A. Dennis Savarese334-285-6263334-546-8182 (cell)
> Skype: Yakguy1www.yak-52.com
> On 2/20/2012 4:05 PM, Chris Wise wrote:
>
> G’Day Pappy,****
>
> ** **
>
> Thanks for that.****
>
> I am fully aware of foreign objects and I believe that that was the reason
> for the crash in New Zealand.****
>
> Was it a screwdriver that jammed the elevator?****
>
> ** **
>
> What I am trying to determine, is as I understand, a problem in the tail
> sector, is it the elevator bellcrank? ****
>
> I was told on Sunday that the Yaks tailplanes are now subject to a 25 hour
> inspection schedule due to some failure.****
>
> So what is the problem?****
>
> What is the fix?****
>
> Does anyone have any photographs relating to this?****
>
> ** **
>
> Thanks and cheers,****
>
> Chris.****
>
> ** **
>
> *From:* 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 *cjpilot710(at)aol.com
> *Sent:* Tuesday, 21 February 2012 7:58 AM
> *To:* yak-list(at)matronics.com
> *Subject:* Re: Yak elevator****
>
> ** **
>
> Chris,****
>
> I assure you are referring to some crashes. There are very close
> clearances of control horns to air frame in the tail of the Yaks. Any kind
> of foreign object that happen to get into that area, will almost certainly
> jam it. Therefore it behooves one to check regularly for ANYTHING that
> might migrate back there. This would include anything that might fall out
> of one's pockets, particularly during acro. Although this is true of ANY
> airplane, the Yak is very susceptible. Are "fix's". ****
>
> ****
>
> Jim "Pappy" Goolsby****
>
> ****
>
> In a message dated 2/20/2012 4:16:53 P.M. Eastern Standard Time,
> wise(at)txc.net.au writes:****
>
> G’Day All,****
>
> ** **
>
> Can someone please advise of the problem with the Yak elevator and what
> the fix is.****
>
> I would greatly appreciate some photo’s of the problem and the fix if
> anyone has any.****
>
> ** **
>
> Thanks and cheers,****
>
> Chris Wise.****
>
> (Downunder)****
>
> * *
>
> * *
>
> *="http://www.matronics.com/Navigator?Yak-List">[url=http://www.matronics.com/Navigator?Yak-List*]http://www.matronics.com/Navigator?Yak-List*[/url]
>
> *s.matronics.com/">[url=http://forums.matronics.com*]http://forums.matronics.com*[/url]
>
> *p://www.matronics.com/contribution">[url=http://www.matronics.com/contribution*]http://www.matronics.com/contribution*[/url]
>
> * *
>
> * *
>
> * *
>
> **
>
> **
>
> **
>
> **
>
> **
>
> *http://www.matronics.com/Navigator?Yak-List*
>
> **
>
> **
>
> *http://forums.matronics.com*
>
> **
>
> **
>
> **
>
> **
>
> *http://www.matronics.com/contribution*
>
> **
>
> * *
>
> *
>
> *
--
____________________________
Didier BLOUZARD
Directeur Commercial DATEXIS
Portable : +33 6 51 84 48 02
Email: didier.blouzard --> http:sp; --> http://forums.matronics. - List p; &= --> ht


[quote][b]

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nelsprague(at)hotmail.com
Guest
PostPosted: Fri Feb 24, 2012 11:26 am    Post subject: Yak elevator Reply with quote
I'll try and get it on the list, Nels
 

Date: Fri, 24 Feb 2012 13:02:55 -0600
From: rijaeger(at)wausau.k12.wi.us
To: yak-list(at)matronics.com
Subject: Re: Yak elevator

Are you able to post the elevator failure photo on the list...or a link to it? Thanks!!
 


Quote:
>> Nelson Sprague <nelsprague(at)hotmail.com> 2/22/2012 12:35 PM >>>
--> Yak-List message posted by: Nelson Sprague <nelsprague(at)hotmail.com>


I'll send you a picture of an elevator that failedand was hanging when flown home andluckily made it. Brian. Flew it just before failure. .nels

Didier Blouzard <didier.blouzard(at)gmail.com> wrote:

Quote:
Have a look on the Termikas website and read the elevator discussion

http://www.termikas.com/

you will perhaps find your answer.

Didier
Le 21 février 2012 02:51, A. Dennis Savarese
<dsavarese0812(at)bellsouth.net>a écrit :

>  From what I understand Chris, there WAS a Yak 52 where the elevator
> bellcrank cracked at the point where the elevator counterweight is
> mounted.  I personally have not seen a cracked elevator bellcrank.  But
> that certainly doesn't mean there aren't any out there.  The fix is
> replacing the old with a new elevator bellcrank.
>
> The attached information should answer all your questions.
> Dennis
>  A. Dennis Savarese334-285-6263334-546-8182 (cell)
> Skype: Yakguy1www.yak-52.com
> On 2/20/2012 4:05 PM, Chris Wise wrote:
>
>  G’Day Pappy,****
>
> ** **
>
> Thanks for that.****
>
> I am fully aware of foreign objects and I believe that that was the reason
> for the crash in New Zealand.****
>
> Was it a screwdriver that jammed the elevator?****
>
> ** **
>
> What I am trying to determine, is as I understand, a problem in the tail
> sector, is it the elevator bellcrank? ****
>
> I was told on Sunday that the Yaks tailplanes are now subject to a 25 hour
> inspection schedule due to some failure.****
>
> So what is the problem?****
>
> What is the fix?****
>
> Does anyone have any photographs relating to this?****
>
> ** **
>
> Thanks and cheers,****
>
> Chris.****
>
> ** **
>
> *From:* 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 *cjpilot710(at)aol.com
> *Sent:* Tuesday, 21 February 2012 7:58 AM
> *To:* yak-list(at)matronics.com
> *Subject:* Re: Yak elevator****
>
> ** **
>
> Chris,****
>
> I assure you are referring to some crashes.  There are very close
> clearances of control horns to air frame in the tail of the Yaks.  Any kind
> of foreign object that happen to get into that area, will almost certainly
> jam it.  Therefore it behooves one to check regularly for ANYTHING that
> might migrate back there.  This would include anything that might fall out
> of one's pockets, particularly during acro.  Although this is true of ANY
> airplane, the Yak is very susceptible.  Are "fix's". ****
>
>  ****
>
> Jim "Pappy" Goolsby****
>
>  ****
>
> In a message dated 2/20/2012 4:16:53 P.M. Eastern Standard Time,
> wise(at)txc.net.au writes:****
>
>  G’Day All,****
>
> ** **
>
> Can someone please advise of the problem with the Yak elevator and what
> the fix is.****
>
> I would greatly appreciate some photo’s of the problem and the fix if
> anyone has any.****
>
> ** **
>
> Thanks and cheers,****
>
> Chris Wise.****
>
> (Downunder)****
>
> * *
>
> * *
>
> *="http://www.matronics.com/Navigator?Yak-List">http://www.matronics.com/Navigator?Yak-List*
>
> *s.matronics.com/">http://forums.matronics.com*
>
> *p://www.matronics.com/contribution">http://www.matronics.com/contribution*
>
> * *
>
>  * *
>
> * *
>
> **
>
> **
>
> **
>
> **
>
> **
>
> *http://www.matronics.com/Navigator?Yak-List*
>
> **
>
> **
>
> *http://forums.matronics.com*
>
> **
>
> **
>
> **
>
> **
>
> *http://www.matronics.com/contribution*
>
> **
>
> * *
>
>  *
>
> *
--
____________________________
Didier BLOUZARD
Directeur Commercial DATEXIS
Portable : +33 6 51 84 48 02
Email: didier.blouzard  --> http:sp; --> http://forums.matronics.           - List p;            &=   --> ht


[quote]

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