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		vindscreenmw(at)bigpond.c Guest
 
 
 
 
 
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				 Posted: Mon Aug 18, 2014 4:11 am    Post subject: Yak 18 T Gyro Horizon Indicator | 
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				Wondering if anyone on the list has any experience on the 11225 gyro horizon indicator on Yak 18T's.   I have traced by elimination a fault to the dash mounted indicator.  I then disassembled the instrument and have found 1 of the 2 amplifiers / drive units in the rear of the unit is the source of the short circuit.  Can anyone suggest source or spares or may have a surplus unit that I could purchase. Going to all this trouble as I want to keep the aircraft as original as possible. 
 
 Mark 
 
 Sent from my iPad
 
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		richard.goode(at)russiana Guest
 
 
 
 
 
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				 Posted: Mon Aug 18, 2014 7:53 am    Post subject: Yak 18 T Gyro Horizon Indicator | 
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				When they are working, these horizons are a beautiful bit of kit. But they
 can be a nightmare when they start going wrong, and my personal view is that
 it is a mistake to be a slave to originality! Another angle to remember is
 that, in total, it is an extremely heavy instrument in that you first of all
 need a DC/AC inverter; a very big remote gyro behind the cockpit and then,
 finally, the display instrument.
 
 If you get rid of all of those and replace it with something electronic like
 a Dynon 10 you will save a huge amount of weight; give yourself solid-state
 reliability, and add other features which the original instrument does not
 have!
 
 Just my personal view.
 
 Richard Goode
 Rhodds Farm 
 Lyonshall 
 Hereford 
 HR5 3LW 
 United Kingdom 
  Tel: +94 (0) 81 241 5137 (Sri Lanka)
 Tel:   +44 (0) 1544 340120 
 Fax:  +44 (0) 1544 340129 
 www.russianaeros.com
 I’m currently in Sri Lanka but this Mail is working,and my local phone is
 +94 779 132 160.
 
 --
 
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		dougsappllc(at)gmail.com Guest
 
 
 
 
 
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				 Posted: Mon Aug 18, 2014 8:48 am    Post subject: Yak 18 T Gyro Horizon Indicator | 
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				Mark,I have one, please contact me off list
 Best,
 Doug Sapp
 509-826-4610
 
 On Mon, Aug 18, 2014 at 5:10 AM, Mark Willard <vindscreenmw(at)bigpond.com (vindscreenmw(at)bigpond.com)> wrote:
  [quote]--> Yak-List message posted by: Mark Willard <vindscreenmw(at)bigpond.com (vindscreenmw(at)bigpond.com)>
   
  Wondering if anyone on the list has any experience on the 11225 gyro horizon indicator on Yak 18T's.   I have traced by elimination a fault to the dash mounted indicator.  I then disassembled the instrument and have found 1 of the 2 amplifiers / drive units in the rear of the unit is the source of the short circuit.  Can anyone suggest source or spares or may have a surplus unit that I could purchase. Going to all this trouble as I want to keep the aircraft as original as possible.
   
  Mark
  
  Sent from my iPad
  
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		pa3arw(at)ziggo.nl Guest
 
 
 
 
 
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				 Posted: Mon Aug 18, 2014 10:59 am    Post subject: Yak 18 T Gyro Horizon Indicator | 
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				I am replacing mine in my YAK52 with the new Ultra EFIS of AvMap, 200
 grams(!) of high tech with all the functionality you can imagine in one
 single instrument.....
 
 I agre with Richard, replace it with modern electronics..
 
 Hans O.
 PH-YAK
 Op 18-08-14 17:52, Richard Goode <richard.goode(at)russianaeros.com> schreef:
 
 [quote] 
  <richard.goode(at)russianaeros.com>
  
  When they are working, these horizons are a beautiful bit of kit. But they
  can be a nightmare when they start going wrong, and my personal view is that
  it is a mistake to be a slave to originality! Another angle to remember is
  that, in total, it is an extremely heavy instrument in that you first of all
  need a DC/AC inverter; a very big remote gyro behind the cockpit and then,
  finally, the display instrument.
  
  If you get rid of all of those and replace it with something electronic like
  a Dynon 10 you will save a huge amount of weight; give yourself solid-state
  reliability, and add other features which the original instrument does not
  have!
  
  Just my personal view.
  
  Richard Goode
  Rhodds Farm 
  Lyonshall 
  Hereford 
  HR5 3LW 
  United Kingdom 
   Tel: +94 (0) 81 241 5137 (Sri Lanka)
  Tel:   +44 (0) 1544 340120
  Fax:  +44 (0) 1544 340129
  www.russianaeros.com
  I¹m currently in Sri Lanka but this Mail is working,and my local phone is
  +94 779 132 160.
  
  --
 
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		vindscreenmw(at)bigpond.c Guest
 
 
 
 
 
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				 Posted: Mon Aug 18, 2014 4:40 pm    Post subject: Yak 18 T Gyro Horizon Indicator | 
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				Richard,
 Thanks for you reply re Yak 18T A.I.   I am not a slave to originality,  its my wife's aeroplane, guess it makes me her slave. 
 
 Tried to sell her on the Dynon last time we were at Oshkosh, no luck. 
 
 Have had a couple of offers though for used units off the list
 
 Thanks
 Mark Willard
 Sent from my iPad
 
 [quote] On Aug 19, 2014, at 1:52 AM, "Richard Goode" <richard.goode(at)russianaeros.com> wrote:
  
  
  
  When they are working, these horizons are a beautiful bit of kit. But they
  can be a nightmare when they start going wrong, and my personal view is that
  it is a mistake to be a slave to originality! Another angle to remember is
  that, in total, it is an extremely heavy instrument in that you first of all
  need a DC/AC inverter; a very big remote gyro behind the cockpit and then,
  finally, the display instrument.
  
  If you get rid of all of those and replace it with something electronic like
  a Dynon 10 you will save a huge amount of weight; give yourself solid-state
  reliability, and add other features which the original instrument does not
  have!
  
  Just my personal view.
  
  Richard Goode
  Rhodds Farm 
  Lyonshall 
  Hereford 
  HR5 3LW 
  United Kingdom 
   Tel: +94 (0) 81 241 5137 (Sri Lanka)
  Tel:   +44 (0) 1544 340120 
  Fax:  +44 (0) 1544 340129 
  www.russianaeros.com
  I’m currently in Sri Lanka but this Mail is working,and my local phone is
  +94 779 132 160.
  
  --
 
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		dsavarese0812(at)bellsout Guest
 
 
 
 
 
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				 Posted: Tue Aug 19, 2014 4:18 am    Post subject: Yak 18 T Gyro Horizon Indicator | 
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				Mark,
 When trying to "sell" your significant other on upgrades or enhancements to the airplane, ALWAYS lead with "now this is a safety issue".   )
 
 Dennis
         From: Mark Willard <vindscreenmw(at)bigpond.com>
  To: "yak-list(at)matronics.com" <yak-list(at)matronics.com> 
  Sent: Monday, August 18, 2014 7:38 PM
  Subject: Re: Yak 18 T Gyro Horizon Indicator
   
  
 --> Yak-List message posted by: Mark Willard <vindscreenmw(at)bigpond.com (vindscreenmw(at)bigpond.com)>
 
 Richard,
 Thanks for you reply re Yak 18T A.I.   I am not a slave to originality,  its my wife's aeroplane, guess it makes me her slave. 
 
 Tried to sell her on the Dynon last time we were at  Oshkosh, no luck. 
 
 Have had a couple of offers though for used units off the list
 
 Thanks
 Mark Willard
 Sent from my iPad
 
 [quote] On Aug 19, 2014, at 1:52 AM, "Richard Goode" <richard.goode(at)russianaeros.com (richard.goode(at)russianaeros.com)> wrote:
  
  --> Yak-List message posted by: "Richard Goode" <richard.goode(at)russianaeros.com (richard.goode(at)russianaeros.com)>
  
  When they are working, these horizons are a beautiful bit of kit. But they
  can be a nightmare when they start going wrong, and my personal view is that
  it is a mistake to be a slave to originality! Another angle to remember is
  that, in total, it is an extremely heavy instrument in that you first of all
  need a DC/AC inverter; a very big remote gyro behind the cockpit  and then,
  finally, the display instrument.
  
  If you get rid of all of those and replace it with something electronic like
  a Dynon 10 you will save a huge amount of weight; give yourself solid-state
  reliability, and add other features which the original instrument does not
  have!
  
  Just my personal view.
  
  Richard Goode
  Rhodds Farm 
  Lyonshall 
  Hereford 
  HR5 3LW 
  United Kingdom 
   Tel: +94 (0) 81 241 5137 (Sri Lanka)
  Tel:   +44 (0) 1544 340120 
  Fax:  +44 (0) 1544 340129 
  www.russianaeros.com
  I’m currently in Sri Lanka but this Mail is working,and my local phone is
  +94 779 132 160.
  
  --
 
  |  | - 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:
 
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		Ernie
 
 
  Joined: 11 Jan 2006 Posts: 513
 
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				 Posted: Tue Aug 19, 2014 4:41 am    Post subject: Yak 18 T Gyro Horizon Indicator | 
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				Ha!
 
 I just did that for my autopilot purchase  
 Ernie
 
 On Tuesday, August 19, 2014, A. Dennis Savarese <dsavarese0812(at)bellsouth.net (dsavarese0812(at)bellsouth.net)> wrote:
  [quote] Mark,
 When trying to "sell" your significant other on upgrades or enhancements to the airplane, ALWAYS lead with "now this is a safety issue".   )
  
 Dennis
  
 
          From: Mark Willard <[url=javascript:_e(%7B%7D,'cvml','vindscreenmw(at)bigpond.com');]vindscreenmw(at)bigpond.com[/url]>
   To: "[url=javascript:_e(%7B%7D,'cvml','yak-list(at)matronics.com');]yak-list(at)matronics.com[/url]" <[url=javascript:_e(%7B%7D,'cvml','yak-list(at)matronics.com');]yak-list(at)matronics.com[/url]> 
   Sent: Monday, August 18, 2014 7:38 PM
  Subject: Re: Yak 18 T Gyro Horizon Indicator
   
  
 --> Yak-List message posted by: Mark Willard <[url=javascript:_e(%7B%7D,'cvml','vindscreenmw(at)bigpond.com');]vindscreenmw(at)bigpond.com[/url]>
  
 Richard,
 Thanks for you reply re Yak 18T A.I.   I am not a slave to originality,  its my wife's aeroplane, guess it makes me her slave. 
 
 Tried to sell her on the Dynon last time we were at  Oshkosh, no luck. 
 
 Have had a couple of offers though for used units off the list
 
 Thanks
 Mark Willard
 Sent from my iPad
 
  	  | Quote: | 	 		   On Aug 19, 2014, at 1:52 AM, "Richard Goode" <[url=javascript:_e(%7B%7D,'cvml','richard.goode(at)russianaeros.com');]richard.goode(at)russianaeros.com[/url]> wrote:
  > 
 | 	  
  	  | Quote: | 	 		   --> Yak-List message posted by: "Richard Goode" <[url=javascript:_e(%7B%7D,'cvml','richard.goode(at)russianaeros.com');]richard.goode(at)russianaeros.com[/url]>
  > 
 | 	  
  	  | Quote: | 	 		   When they are working, these horizons are a beautiful bit of kit. But they
  can be a nightmare when they start going wrong, and my personal view is that
  it is a mistake to be a slave to originality! Another angle to remember is
  > that, in total, it is an extremely heavy instrument in that you first of all
 | 	  
  	  | Quote: | 	 		   need a DC/AC inverter; a very big remote gyro behind the cockpit  and then,
  finally, the display instrument.
  
  If you get rid of all of those and replace it with something electronic like
  a Dynon 10 you will save a huge amount of weight; give yourself solid-state
  > reliability, and add other features which the original instrument does not
 | 	  
  	  | Quote: | 	 		   have!
  
  Just my personal view.
  
  Richard Goode
  Rhodds Farm 
  Lyonshall 
  Hereford 
  > HR5 3LW 
 | 	  
  	  | Quote: | 	 		   United Kingdom 
   Tel: +94 (0) 81 241 5137 (Sri Lanka)
  Tel:   +44 (0) 1544 340120 
  Fax:  +44 (0) 1544 340129 
  www.russianaeros.com
  > I’m currently in Sri Lanka but this Mail is working,and my local phone is
 | 	  
 [quote] +94 779 132 160.
  
  --
 
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