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sajdds(at)comcast.net
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 Posted: Tue Apr 10, 2012 4:12 pm Post subject: Diagnosing and fixing a DG (Yak 52) |
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I took a GIB up last weekend and he informed me the DG in the back cockpit was non-functional. Does anybody have any suggestions on the best sequence of steps to diagnose what is wrong?
Steven Johnson
Yak 52 N9900x
0B5 Turners Falls, MA
413 522-1130
[quote][b]
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dsavarese0812(at)bellsout
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| Posted: Tue Apr 10, 2012 5:37 pm Post subject: Diagnosing and fixing a DG (Yak 52) |
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Swap the front and rear and see what happens. Most likely the rear AI
has given up and your best bet would be to replace it. To my knowledge,
there are no known repair facilities.
An alternative would be to replace the front AI with a Dynon D10 and D6
and just leave the good one in the rear.
Dennis
A. Dennis Savarese
334-285-6263
334-546-8182 (mobile)
www.yak-52.com
Skype - Yakguy1
On 4/10/2012 7:09 PM, Steven Johnson wrote:
| Quote: |
I took a GIB up last weekend and he informed me the DG in the back
cockpit was non-functional. Does anybody have any suggestions on the
best sequence of steps to diagnose what is wrong?
Steven Johnson
Yak 52 N9900x
0B5 Turners Falls, MA
413 522-1130
*
*
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dsavarese0812(at)bellsout
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| Posted: Wed Apr 11, 2012 3:08 am Post subject: Diagnosing and fixing a DG (Yak 52) |
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I meant to day D10 "OR" a D6. Sorry.
A. Dennis Savarese
334-285-6263
334-546-8182 (mobile)
www.yak-52.com
Skype - Yakguy1
On 4/10/2012 8:34 PM, A. Dennis Savarese wrote:
| Quote: |
<dsavarese0812(at)bellsouth.net>
Swap the front and rear and see what happens. Most likely the rear AI
has given up and your best bet would be to replace it. To my
knowledge, there are no known repair facilities.
An alternative would be to replace the front AI with a Dynon D10 and
D6 and just leave the good one in the rear.
Dennis
A. Dennis Savarese
334-285-6263
334-546-8182 (mobile)
www.yak-52.com
Skype - Yakguy1
On 4/10/2012 7:09 PM, Steven Johnson wrote:
>
> I took a GIB up last weekend and he informed me the DG in the back
> cockpit was non-functional. Does anybody have any suggestions on the
> best sequence of steps to diagnose what is wrong?
>
> Steven Johnson
>
> Yak 52 N9900x
>
> 0B5 Turners Falls, MA
>
> 413 522-1130
>
> *
> *
|
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dsavarese0812(at)bellsout
Guest
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| Posted: Wed Apr 11, 2012 3:49 am Post subject: Diagnosing and fixing a DG (Yak 52) |
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Stephen,
I just checked and West London Aero Club,
http://www.wlacrussianeng.co.uk/main.asp?ID=1 has AI's for sale. Click
on the link and then in the left column select Airframe Parts. It's at
the top of the list.
Dennis
A. Dennis Savarese
334-285-6263
334-546-8182 (mobile)
www.yak-52.com
Skype - Yakguy1
On 4/11/2012 6:05 AM, A. Dennis Savarese wrote:
| Quote: |
<dsavarese0812(at)bellsouth.net>
I meant to day D10 "OR" a D6. Sorry.
A. Dennis Savarese
334-285-6263
334-546-8182 (mobile)
www.yak-52.com
Skype - Yakguy1
On 4/10/2012 8:34 PM, A. Dennis Savarese wrote:
>
> <dsavarese0812(at)bellsouth.net>
>
> Swap the front and rear and see what happens. Most likely the rear
> AI has given up and your best bet would be to replace it. To my
> knowledge, there are no known repair facilities.
>
> An alternative would be to replace the front AI with a Dynon D10 and
> D6 and just leave the good one in the rear.
> Dennis
>
> A. Dennis Savarese
> 334-285-6263
> 334-546-8182 (mobile)
> www.yak-52.com
> Skype - Yakguy1
> On 4/10/2012 7:09 PM, Steven Johnson wrote:
>>
>> I took a GIB up last weekend and he informed me the DG in the back
>> cockpit was non-functional. Does anybody have any suggestions on the
>> best sequence of steps to diagnose what is wrong?
>>
>> Steven Johnson
>>
>> Yak 52 N9900x
>>
>> 0B5 Turners Falls, MA
>>
>> 413 522-1130
>>
>> *
>>
>>
>> *
>
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sajdds(at)comcast.net
Guest
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| Posted: Wed Apr 11, 2012 9:40 am Post subject: Diagnosing and fixing a DG (Yak 52) |
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It is the DG, not the AI. Does that change your response?
Steven Johnson
Yak 52 N9900x
0B5 Turners Falls, MA
413 522-1130
--
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dsavarese0812(at)bellsout
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| Posted: Wed Apr 11, 2012 5:49 pm Post subject: Diagnosing and fixing a DG (Yak 52) |
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Only to the point that you should swap the front and rear instruments
and test. BUT are you absolutely certain the person in the rear cockpit
understood the DG is a slave gyro and the heading is not able to set as
with a standard DG found in most GA airplanes?
Since the front and rear instruments are driven by the same equipment,
if the rear is not reading correctly or the same as the front, then one
could assume the instrument head in the rear is bad. You may be able to
find a replacement head. Some of the Yak owners have removed the AI's,
DG's and inverters from the airplane and also removed the equipment that
drives the slave compass system and replaced everything with Dynon D10's
or D6's units front and rear. In addition to upgrading to modern
electronic instrumentation, the weight loss approaches 70 lbs.
Dennis
A. Dennis Savarese
334-285-6263
334-546-8182 (mobile)
www.yak-52.com
Skype - Yakguy1
On 4/11/2012 12:36 PM, Steven Johnson wrote:
[quote]
It is the DG, not the AI. Does that change your response?
Steven Johnson
Yak 52 N9900x
0B5 Turners Falls, MA
413 522-1130
--
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http://www.matronics.com/Navigator?Yak-List |
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