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		havard.dale(at)yaknorway. Guest
 
 
 
 
 
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				 Posted: Tue Jul 09, 2013 3:59 am    Post subject: Performance Yak 52 | 
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				[quote]Hi,
 
 Just bought an 52. Previous Owner has allready lightning it pretty mutch. Now has empty weigh on 915kg. Intension is to make it more light around 880 kg. Engine will be upgraded to 400+HP. The Aircraft has to be prepaired for short take off and landing fields.
 
 Any suggestions on best proppel to use? cruisespeed not importent, climb rate most importent.
 
 Also would like to now if any has experience on wortex kit on Yak 52, benefits on stall speed etc..?
 
 The rebuild will be possible to follow onwww.yaknorway.com when we start.
 
 Best regards
 
 Havard Dale
 Norway
 
 [b]
 
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		havard.dale(at)yaknorway. Guest
 
 
 
 
 
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				 Posted: Tue Jul 09, 2013 4:07 am    Post subject: Performance Yak 52 | 
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				Hi,
 
 Just bought an 52. Previous Owner has allready lightning it pretty mutch. Now has empty weigh on 915kg. Intension is to make it more light around 880 kg. Engine will be upgraded to 400+HP. The Aircraft has to be prepaired for short take off and landing fields.
 
 Any suggestions on best proppel to use? cruisespeed not importent, climb rate most importent.
 
 Also would like to now if any has experience on wortex kit on Yak 52, benefits on stall speed etc..?
 
 The rebuild will be possible to follow onwww.yaknorway.com when we start.
 
 Best regards
 
 Havard Dale 
 Norway
 
  [quote][b]
 
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		cjpilot710(at)aol.com Guest
 
 
 
 
 
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				 Posted: Tue Jul 09, 2013 4:19 am    Post subject: Performance Yak 52 | 
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				Just saw a Yak 52TW out in Cody, Wy. with a vortex kit on it.  Owner  said it made a "good deal of difference".  The Clark Y airfoil is the same  on all the Yaks, so you shouldn't have a problem figuring the proper  placement.
   
  Jim "Pappy" Goolsby
   
   In a message dated 7/9/2013 8:07:19 A.M. Eastern Daylight Time,  havard.dale(at)yaknorway.com writes:
   	  | Quote: | 	 		     Hi,
 
 Just bought an    52. Previous Owner has allready lightning it pretty mutch. Now has empty weigh    on 915kg. Intension is to make it more light around 880 kg. Engine will be    upgraded to 400+HP. The Aircraft has to be prepaired for short take off and    landing fields.
 
 Any suggestions on best proppel to use? cruisespeed not    importent, climb rate most importent.
 
 Also would like to now if any has    experience on wortex kit on Yak 52, benefits on stall speed etc..?
 
 The    rebuild will be possible to follow onwww.yaknorway.com when we    start.
 
 Best regards
 
 Havard Dale 
 Norway
    
  | 	  
  [quote][b]
 
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		havard.dale(at)yaknorway. Guest
 
 
 
 
 
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				 Posted: Tue Jul 09, 2013 4:41 am    Post subject: Performance Yak 52 | 
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				Hi thanks,
 Did he specify The benefits on stall speed?
 BR
 Havard 
 
 Sendt fra min iPhone 4S
 
 Den 9. juli 2013 kl. 14:16 skrev cjpilot710(at)aol.com (cjpilot710(at)aol.com):
 [quote]     Just saw a Yak 52TW out in Cody, Wy. with a vortex kit on it.  Owner  said it made a "good deal of difference".  The Clark Y airfoil is the same  on all the Yaks, so you shouldn't have a problem figuring the proper  placement.
   
  Jim "Pappy" Goolsby
   
   In a message dated 7/9/2013 8:07:19 A.M. Eastern Daylight Time,  havard.dale(at)yaknorway.com (havard.dale(at)yaknorway.com) writes:
   	  | Quote: | 	 		     Hi,
 
 Just bought an    52. Previous Owner has allready lightning it pretty mutch. Now has empty weigh    on 915kg. Intension is to make it more light around 880 kg. Engine will be    upgraded to 400+HP. The Aircraft has to be prepaired for short take off and    landing fields.
 
 Any suggestions on best proppel to use? cruisespeed not    importent, climb rate most importent.
 
 Also would like to now if any has    experience on wortex kit on Yak 52, benefits on stall speed etc..?
 
 The    rebuild will be possible to follow onwww.yaknorway.com when we    start.
 
 Best regards
 
 Havard Dale 
 Norway
    
  | 	  
  
 [b]
 
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		cjpilot710(at)aol.com Guest
 
 
 
 
 
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				 Posted: Tue Jul 09, 2013 4:57 am    Post subject: Performance Yak 52 | 
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				No, no details.  Vortex generators have been around a long time and  their benefits are well know.  And except for making the wing harder to  clean or polish and snagging your cloths on, do have a marked effect  on stall and control effeteness at or near stall angles of attack.
   
  I'd put them on my CJ-6 (I believe some guys have) but I simply don't  need them.  I just don't fly that part of the envelope often enough, plus I  like the "quaintness" of a vintage warbird.  Just me.
   
  Jim "Pappy" Goolsby      
   
   In a message dated 7/9/2013 8:41:43 A.M. Eastern Daylight Time,  havard.dale(at)yaknorway.com writes:
   	  | Quote: | 	 		     Hi thanks,
    
 
    Did he specify The benefits on stall speed?
    
 
    BR
    
 
    Havard 
 
 Sendt fra min iPhone 4S
    
 Den 9. juli 2013 kl. 14:16 skrev cjpilot710(at)aol.com (cjpilot710(at)aol.com):
     	  | Quote: | 	 		                 Just saw a Yak 52TW out in Cody, Wy. with a vortex kit on it.       Owner said it made a "good deal of difference".  The Clark Y airfoil is      the same on all the Yaks, so you shouldn't have a problem figuring the      proper placement.
       
      Jim "Pappy" Goolsby
       
           In a message dated 7/9/2013 8:07:19 A.M. Eastern Daylight Time, havard.dale(at)yaknorway.com (havard.dale(at)yaknorway.com)      writes:
       	  | Quote: | 	 		         Hi,
 
 Just bought        an 52. Previous Owner has allready lightning it pretty mutch. Now has        empty weigh on 915kg. Intension is to make it more light around 880 kg.        Engine will be upgraded to 400+HP. The Aircraft has to be prepaired for        short take off and landing fields.
 
 Any suggestions on best proppel        to use? cruisespeed not importent, climb rate most importent.
 
 Also        would like to now if any has experience on wortex kit on Yak 52, benefits        on stall speed etc..?
 
 The rebuild will be possible to follow onwww.yaknorway.com when we        start.
 
 Best regards
 
 Havard Dale 
 Norway
        
  | 	  
 
 
 
 3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D
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 ='mip://10ad8980/3D"http://forums.matronics.com"'>http://forums.matronics.com
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 n"' href='mip://10ad8980/3D"http://www.matronics.com/contribution"'>http://www.matronics.com/contribution
 3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D
 
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		havard.dale(at)yaknorway. Guest
 
 
 
 
 
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				 Posted: Tue Jul 09, 2013 5:23 am    Post subject: Performance Yak 52 | 
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				Yes like that myself to! 
 But when The field I gone use here in Norway is shorter than shortest! improvments has to be done:-) 
 BR
 Havard 
 
 Sendt fra min iPhone 4S
 
 Den 9. juli 2013 kl. 14:54 skrev cjpilot710(at)aol.com (cjpilot710(at)aol.com):
 [quote]     No, no details.  Vortex generators have been around a long time and  their benefits are well know.  And except for making the wing harder to  clean or polish and snagging your cloths on, do have a marked effect  on stall and control effeteness at or near stall angles of attack.
   
  I'd put them on my CJ-6 (I believe some guys have) but I simply don't  need them.  I just don't fly that part of the envelope often enough, plus I  like the "quaintness" of a vintage warbird.  Just me.
   
  Jim "Pappy" Goolsby      
   
   In a message dated 7/9/2013 8:41:43 A.M. Eastern Daylight Time,  havard.dale(at)yaknorway.com (havard.dale(at)yaknorway.com) writes:
   	  | Quote: | 	 		     Hi thanks,
    
 
    Did he specify The benefits on stall speed?
    
 
    BR
    
 
    Havard 
 
 Sendt fra min iPhone 4S
    
 Den 9. juli 2013 kl. 14:16 skrev cjpilot710(at)aol.com (cjpilot710(at)aol.com):
     	  | Quote: | 	 		                 Just saw a Yak 52TW out in Cody, Wy. with a vortex kit on it.       Owner said it made a "good deal of difference".  The Clark Y airfoil is      the same on all the Yaks, so you shouldn't have a problem figuring the      proper placement.
       
      Jim "Pappy" Goolsby
       
           In a message dated 7/9/2013 8:07:19 A.M. Eastern Daylight Time, havard.dale(at)yaknorway.com (havard.dale(at)yaknorway.com)      writes:
       	  | Quote: | 	 		         Hi,
 
 Just bought        an 52. Previous Owner has allready lightning it pretty mutch. Now has        empty weigh on 915kg. Intension is to make it more light around 880 kg.        Engine will be upgraded to 400+HP. The Aircraft has to be prepaired for        short take off and landing fields.
 
 Any suggestions on best proppel        to use? cruisespeed not importent, climb rate most importent.
 
 Also        would like to now if any has experience on wortex kit on Yak 52, benefits        on stall speed etc..?
 
 The rebuild will be possible to follow onwww.yaknorway.com when we        start.
 
 Best regards
 
 Havard Dale 
 Norway
        
  | 	  
 
 
 
 3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D
 ak-List"' href='mip://10ad8980/3D"http://www.matronics.com/Navigator?Yak-List"'>http://www.matronics.com/Navigator?Yak-List
 3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D
 ='mip://10ad8980/3D"http://forums.matronics.com"'>http://forums.matronics.com
 3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D
 n"' href='mip://10ad8980/3D"http://www.matronics.com/contribution"'>http://www.matronics.com/contribution
 3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D
 
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 [b]
 
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		William Halverson
 
 
  Joined: 27 Feb 2010 Posts: 88
 
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				 Posted: Tue Jul 09, 2013 6:08 am    Post subject: Performance Yak 52 | 
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				 	  | Quote: | 	 		    Lengthen the field?
 
  On 7/9/2013 6:18 AM, HÃ¥vard Dale wrote:
 > Yes like that myself to! 
 >
 > But when The field I gone use here in Norway is shorter than
 > shortest! improvments has to be done:-) 
 >
 > BR
 > Havard 
 >
 > Sendt fra min iPhone 4S
 >
 > Den 9. juli 2013 kl. 14:54 skrev cjpilot710(at)aol.com
 > <mailto:cjpilot710(at)aol.com>:
 >
 >> No, no details.  Vortex generators have been around a long time and
 >> their benefits are well know.  And except for making the wing harder
 >> to clean or polish and snagging your cloths on, do have a marked
 >> effect on stall and control effeteness at or near stall angles of
 >> attack.
 >>  
 >> I'd put them on my CJ-6 (I believe some guys have) but I simply
 >> don't need them.  I just don't fly that part of the envelope often
 >> enough, plus I like the "quaintness" of a vintage warbird.  Just me.
 >>  
 >> Jim "Pappy" Goolsby      
 >>  
 >> In a message dated 7/9/2013 8:41:43 A.M. Eastern Daylight Time,
 >> havard.dale(at)yaknorway.com <mailto:havard.dale(at)yaknorway.com> writes:
 >>
 >>     Hi thanks,
 >>
 >>     Did he specify The benefits on stall speed?
 >>
 >>     BR
 >>
 >>     Havard 
 >>
 >>     Sendt fra min iPhone 4S
 >>
 >>     Den 9. juli 2013 kl. 14:16 skrev cjpilot710(at)aol.com
 >>     <mailto:cjpilot710(at)aol.com>:
 >>
 >>>     Just saw a Yak 52TW out in Cody, Wy. with a vortex kit on it. 
 >>>     Owner said it made a "good deal of difference".  The Clark Y
 >>>     airfoil is the same on all the Yaks, so you shouldn't have a
 >>>     problem figuring the proper placement.
 >>>      
 >>>     Jim "Pappy" Goolsby
 >>>      
 >>>     In a message dated 7/9/2013 8:07:19 A.M. Eastern Daylight Time,
 >>>     havard.dale(at)yaknorway.com <mailto:havard.dale(at)yaknorway.com>
 >>>     writes:
 >>>
 >>>         Hi,
 >>>
 >>>         Just bought an 52. Previous Owner has allready lightning it
 >>>         pretty mutch. Now has empty weigh on 915kg. Intension is to
 >>>         make it more light around 880 kg. Engine will be upgraded
 >>>         to 400+HP. The Aircraft has to be prepaired for short take
 >>>         off and landing fields.
 >>>
 >>>         Any suggestions on best proppel to use? cruisespeed not
 >>>         importent, climb rate most importent.
 >>>
 >>>         Also would like to now if any has experience on wortex kit
 >>>         on Yak 52, benefits on stall speed etc..?
 >>>
 >>>         The rebuild will be possible to follow onwww.yaknorway.com
 >>>         <http://www.yaknorway.com/> when we start.
 >>>
 >>>         Best regards
 >>>
 >>>         Havard Dale 
 >>>         Norway
 >>>
 >>>         *
 >>>
 >>>         ="http://www.matronics.com/Navigator?Yak-List">http://www.matronics.com/Navigator?Yak-List
 >>>         s.matronics.com/ <http://s.matronics.com/>">http://forums.matronics.com <http://forums.matronics.com/>
 >>>         p://www.matronics.com/contribution">http://www.matronics.com/contribution
 >>>
 >>>         *
 >>>
 >>>     *
 >>>
 >>>
 >>>     *
 >>
 >>     *
 >>
 >>     3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D
 >>     ak-List"' href='mip://10ad8980/3D"http://www.matronics.com/Navigator?Yak-List"'>http://www.matronics.com/Navigator?Yak-List
 >>     3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D
 >>     ='mip://10ad8980/3D"http://forums.matronics.com"'>http://forums.matronics.com
 >>     3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D
 >>     n"' href='mip://10ad8980/3D"http://www.matronics.com/contribution"'>http://www.matronics.com/contribution
 >>     3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D
 >>
 >>     *
 >>
 >> *
 >>
 >>
 >> *
 > *
 > *
 
 
 | 	 
 
 
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		taylor527(at)att.net Guest
 
 
 
 
 
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				 Posted: Tue Jul 09, 2013 6:18 am    Post subject: Performance Yak 52 | 
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				Havard,  
 I have a Whirlwind 3 blade propeller,it increased climb and cruise .Also it provides some braking when landing.  
 Pete Taylor        
   
 From: owner-yak-list-server(at)matronics.com [mailto:owner-yak-list-server(at)matronics.com] On Behalf Of Håvard Dale
  Sent: Tuesday, July 09, 2013 4:55 AM
  To: Yak-List Digest Server; Yak-List Digest List
  Subject: Performance Yak 52  
   
      
    
     
    
    	  | Quote: | 	 		        
 Hi,
  
  Just bought an 52. Previous Owner has allready lightning it pretty mutch. Now has empty weigh on 915kg. Intension is to make it more light around 880 kg. Engine will be upgraded to 400+HP. The Aircraft has to be prepaired for short take off and landing fields.
  
  Any suggestions on best proppel to use? cruisespeed not importent, climb rate most importent.
  
  Also would like to now if any has experience on wortex kit on Yak 52, benefits on stall speed etc..?
  
  The rebuild will be possible to follow onwww.yaknorway.com when we start.
  
  Best regards
  
  Havard Dale  
     
 Norway  
   
     http://www.matronics.com/Navigator?Yak-List  | 	  0123456789
        [quote][b]
 
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		cjpilot710(at)aol.com Guest
 
 
 
 
 
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				 Posted: Tue Jul 09, 2013 6:25 am    Post subject: Performance Yak 52 | 
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				In that case I would recommend them.  They should not change the ability to do any of the acrobatic maneuvers but they will improve the feel and control at low speed.  They don't appear to effect the high speed part of flight.  On the early jets (i.e. B-707) they actually were used just in front of the 'high speed' or inboard ailerons to increase their effectiveness in the speeds near Mach where the air flow separation was happening at the rear of the cord.  And that is what they do even on the likes of Cubs where the owners are looking for super lift.  A "VG" delays the flow separation on just about any wing.  It is important that they be put in the right place for the airfoil being used.  The nice thing is that most can be glued on - nice for easy installation and again nice because of the importance of accuracy of placement
 
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		cjpilot710(at)aol.com Guest
 
 
 
 
 
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				 Posted: Tue Jul 09, 2013 6:30 am    Post subject: Performance Yak 52 | 
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				I agree with Pete.  While the 530 is an "OK" basic prop, the later design Whirlwind is much better. 
 
 Sent from my iPad from some where on The 3rd rock from the Sun.
 
 On Jul 9, 2013, at 10:14, "Pete Taylor" <taylor527(at)att.net (taylor527(at)att.net)> wrote:
  	  | Quote: | 	 		          v\:* {behavior:url(#default#VML);} o\:* {behavior:url(#default#VML);} w\:* {behavior:url(#default#VML);} .shape {behavior:url(#default#VML);}  <![endif]-->    st1\:*{behavior:url(#default#ieooui) }  <![endif]-->           
 Havard,  
 I have a Whirlwind 3 blade propeller,it increased climb and cruise .Also it provides some braking when landing.  
 Pete Taylor        
   
 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 HÃ¥vard Dale
  Sent: Tuesday, July 09, 2013 4:55 AM
  To: Yak-List Digest Server; Yak-List Digest List
  Subject: Performance Yak 52  
   
      
    
     
    
    	  | Quote: | 	 		        
 Hi,
  
  Just bought an 52. Previous Owner has allready lightning it pretty mutch. Now has empty weigh on 915kg. Intension is to make it more light around 880 kg. Engine will be upgraded to 400+HP. The Aircraft has to be prepaired for short take off and landing fields.
  
  Any suggestions on best proppel to use? cruisespeed not importent, climb rate most importent.
  
  Also would like to now if any has experience on wortex kit on Yak 52, benefits on stall speed etc..?
  
  The rebuild will be possible to follow onwww.yaknorway.com when we start.
  
  Best regards
  
  Havard Dale  
     
 Norway  
   
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		havard.dale(at)yaknorway. Guest
 
 
 
 
 
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				 Posted: Tue Jul 09, 2013 6:30 am    Post subject: Performance Yak 52 | 
				     | 
			 
			
				
  | 
			 
			
				It's 210m, 690 feet! So it's short! 
 
 Downhill slope both ends so in and out is good.
 
 Havard
 
 Sendt fra min iPad
 
 Den 9. juli 2013 kl. 15:55 skrev William Halverson <william(at)netpros.net>:
 
  	  | Quote: | 	 		   
  
  
 > Lengthen the field?
 > 
 > 
 > 
 > On 7/9/2013 6:18 AM, HÃ¥vard Dale wrote:
 >> Yes like that myself to! 
 >> 
 >> But when The field I gone use here in Norway is shorter than
 >> shortest! improvments has to be done:-) 
 >> 
 >> BR
 >> Havard 
 >> 
 >> Sendt fra min iPhone 4S
 >> 
 >> Den 9. juli 2013 kl. 14:54 skrev cjpilot710(at)aol.com
 >> <mailto:cjpilot710(at)aol.com>:
 >> 
 >>> No, no details.  Vortex generators have been around a long time and
 >>> their benefits are well know.  And except for making the wing harder
 >>> to clean or polish and snagging your cloths on, do have a marked
 >>> effect on stall and control effeteness at or near stall angles of
 >>> attack.
 >>> 
 >>> I'd put them on my CJ-6 (I believe some guys have) but I simply
 >>> don't need them.  I just don't fly that part of the envelope often
 >>> enough, plus I like the "quaintness" of a vintage warbird.  Just me.
 >>> 
 >>> Jim "Pappy" Goolsby      
 >>> 
 >>> In a message dated 7/9/2013 8:41:43 A.M. Eastern Daylight Time,
 >>> havard.dale(at)yaknorway.com <mailto:havard.dale(at)yaknorway.com> writes:
 >>> 
 >>>    Hi thanks,
 >>> 
 >>>    Did he specify The benefits on stall speed?
 >>> 
 >>>    BR
 >>> 
 >>>    Havard 
 >>> 
 >>>    Sendt fra min iPhone 4S
 >>> 
 >>>    Den 9. juli 2013 kl. 14:16 skrev cjpilot710(at)aol.com
 >>>    <mailto:cjpilot710(at)aol.com>:
 >>> 
 >>>>    Just saw a Yak 52TW out in Cody, Wy. with a vortex kit on it. 
 >>>>    Owner said it made a "good deal of difference".  The Clark Y
 >>>>    airfoil is the same on all the Yaks, so you shouldn't have a
 >>>>    problem figuring the proper placement.
 >>>> 
 >>>>    Jim "Pappy" Goolsby
 >>>> 
 >>>>    In a message dated 7/9/2013 8:07:19 A.M. Eastern Daylight Time,
 >>>>    havard.dale(at)yaknorway.com <mailto:havard.dale(at)yaknorway.com>
 >>>>    writes:
 >>>> 
 >>>>        Hi,
 >>>> 
 >>>>        Just bought an 52. Previous Owner has allready lightning it
 >>>>        pretty mutch. Now has empty weigh on 915kg. Intension is to
 >>>>        make it more light around 880 kg. Engine will be upgraded
 >>>>        to 400+HP. The Aircraft has to be prepaired for short take
 >>>>        off and landing fields.
 >>>> 
 >>>>        Any suggestions on best proppel to use? cruisespeed not
 >>>>        importent, climb rate most importent.
 >>>> 
 >>>>        Also would like to now if any has experience on wortex kit
 >>>>        on Yak 52, benefits on stall speed etc..?
 >>>> 
 >>>>        The rebuild will be possible to follow onwww.yaknorway.com
 >>>>        <http://www.yaknorway.com/> when we start.
 >>>> 
 >>>>        Best regards
 >>>> 
 >>>>        Havard Dale 
 >>>>        Norway
 >>>> 
 >>>>        *
 >>>> 
 >>>>        ="http://www.matronics.com/Navigator?Yak-List">http://www.matronics.com/Navigator?Yak-List
 >>>>        s.matronics.com/ <http://s.matronics.com/>">http://forums.matronics.com <http://forums.matronics.com/>
 >>>>        p://www.matronics.com/contribution">http://www.matronics.com/contribution
 >>>> 
 >>>>        *
 >>>> 
 >>>>    *
 >>>> 
 >>>> 
 >>>>    *
 >>> 
 >>>    *
 >>> 
 >>>    3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D
 >>>    ak-List"' href='mip://10ad8980/3D"http://www.matronics.com/Navigator?Yak-List"'>http://www.matronics.com/Navigator?Yak-List
 >>>    3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D
 >>>    ='mip://10ad8980/3D"http://forums.matronics.com"'>http://forums.matronics.com
 >>>    3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D
 >>>    n"' href='mip://10ad8980/3D"http://www.matronics.com/contribution"'>http://www.matronics.com/contribution
 >>>    3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D
 >>> 
 >>>    *
 >>> 
 >>> *
 >>> 
 >>> 
 >>> *
 >> *
 >> 
 >> 
 >> *
  
  
  
  
  
 
 | 	 
 
 
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		havard.dale(at)yaknorway. Guest
 
 
 
 
 
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				 Posted: Tue Jul 09, 2013 6:45 am    Post subject: Performance Yak 52 | 
				     | 
			 
			
				
  | 
			 
			
				Rub it in:-) long hot summer days, not mutch of that:-)
 Thanks for info, 
 The field is 600feet ASL, and more cold then warm days I can tell:-) So that is ok. Some benefits we have here!
 Any suggestions were to buy a VG kit?
 BR
 Havard
 
 
 Sendt fra min iPhone 4S
 
 Den 9. juli 2013 kl. 16:21 skrev James Goolsby <cjpilot710(at)aol.com (cjpilot710(at)aol.com)>:
 [quote]In that case I would recommend them.  They should not change the ability to do any of the acrobatic maneuvers but they will improve the feel and control at low speed.  They don't appear to effect the high speed part of flight.  On the early jets (i.e. B-707) they actually were used just in front of the 'high speed' or inboard ailerons to increase their effectiveness in the speeds near Mach where the air flow separation was happening at the rear of the cord.  And that is what they do even on the likes of Cubs where the owners are looking for super lift.  A "VG" delays the flow separation on just about any wing.  It is important that they be put in the right place for the airfoil being used.  The nice thing is that most can be glued on - nice for easy installation and again nice because of the importance of accuracy of placement.
 I've seen them on just about every airplane, including Bonanzas which has the same airfoil as the CJ-6.  BTW the Yak driver out in Cody said he put them on because of the high density altitudes he had to operate at.  That is something you might need to also consider on those long hot summer days in Norway.   
 Jim "Pappy" Goolsby     
 
 Sent from my iPad from some where on The 3rd rock from the Sun.
 
 On Jul 9, 2013, at 9:18, HÃ¥vard Dale <havard.dale(at)yaknorway.com (havard.dale(at)yaknorway.com)> wrote:
  	  | Quote: | 	 		  Yes like that myself to! 
 But when The field I gone use here in Norway is shorter than shortest! improvments has to be done:-) 
 BR
 Havard 
 
 Sendt fra min iPhone 4S
 
 Den 9. juli 2013 kl. 14:54 skrev cjpilot710(at)aol.com (cjpilot710(at)aol.com):
  	  | Quote: | 	 		       No, no details.  Vortex generators have been around a long time and  their benefits are well know.  And except for making the wing harder to  clean or polish and snagging your cloths on, do have a marked effect  on stall and control effeteness at or near stall angles of attack.
   
  I'd put them on my CJ-6 (I believe some guys have) but I simply don't  need them.  I just don't fly that part of the envelope often enough, plus I  like the "quaintness" of a vintage warbird.  Just me.
   
  Jim "Pappy" Goolsby      
   
   In a message dated 7/9/2013 8:41:43 A.M. Eastern Daylight Time,  havard.dale(at)yaknorway.com (havard.dale(at)yaknorway.com) writes:
   	  | Quote: | 	 		     Hi thanks,
    
 
    Did he specify The benefits on stall speed?
    
 
    BR
    
 
    Havard 
 
 Sendt fra min iPhone 4S
    
 Den 9. juli 2013 kl. 14:16 skrev cjpilot710(at)aol.com (cjpilot710(at)aol.com):
     	  | Quote: | 	 		                 Just saw a Yak 52TW out in Cody, Wy. with a vortex kit on it.       Owner said it made a "good deal of difference".  The Clark Y airfoil is      the same on all the Yaks, so you shouldn't have a problem figuring the      proper placement.
       
      Jim "Pappy" Goolsby
       
           In a message dated 7/9/2013 8:07:19 A.M. Eastern Daylight Time, havard.dale(at)yaknorway.com (havard.dale(at)yaknorway.com)      writes:
       	  | Quote: | 	 		         Hi,
 
 Just bought        an 52. Previous Owner has allready lightning it pretty mutch. Now has        empty weigh on 915kg. Intension is to make it more light around 880 kg.        Engine will be upgraded to 400+HP. The Aircraft has to be prepaired for        short take off and landing fields.
 
 Any suggestions on best proppel        to use? cruisespeed not importent, climb rate most importent.
 
 Also        would like to now if any has experience on wortex kit on Yak 52, benefits        on stall speed etc..?
 
 The rebuild will be possible to follow onwww.yaknorway.com when we        start.
 
 Best regards
 
 Havard Dale 
 Norway
        
  | 	  
 
 
 
 3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D
 ak-List"' href='mip://10ad8980/3D"http://www.matronics.com/Navigator?Yak-List"'>http://www.matronics.com/Navigator?Yak-List
 3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D
 ='mip://10ad8980/3D"http://forums.matronics.com"'>http://forums.matronics.com
 3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D
 n"' href='mip://10ad8980/3D"http://www.matronics.com/contribution"'>http://www.matronics.com/contribution
 3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D
 
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 D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D
 ist"">http://www.matronics.com/Navigator?Yak-List
 D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D
 //forums.matronics.com
 D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D
 ot;">http://www.matronics.com/contribution
 D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D
 
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		havard.dale(at)yaknorway. Guest
 
 
 
 
 
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				 Posted: Tue Jul 09, 2013 6:49 am    Post subject: Performance Yak 52 | 
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  | 
			 
			
				Thanks,
 Do you have numbers for the thrust ratio on whirlwind prop?
 BR
 Havard
 
 Sendt fra min iPhone 4S
 
 Den 9. juli 2013 kl. 16:14 skrev "Pete Taylor" <taylor527(at)att.net (taylor527(at)att.net)>:
  	  | Quote: | 	 		          v\:* {behavior:url(#default#VML);} o\:* {behavior:url(#default#VML);} w\:* {behavior:url(#default#VML);} .shape {behavior:url(#default#VML);}  <![endif]-->    st1\:*{behavior:url(#default#ieooui) }  <![endif]-->           
 Havard,  
 I have a Whirlwind 3 blade propeller,it increased climb and cruise .Also it provides some braking when landing.  
 Pete Taylor        
   
 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 HÃ¥vard Dale
  Sent: Tuesday, July 09, 2013 4:55 AM
  To: Yak-List Digest Server; Yak-List Digest List
  Subject: Performance Yak 52  
   
      
    
     
    
    	  | Quote: | 	 		        
 Hi,
  
  Just bought an 52. Previous Owner has allready lightning it pretty mutch. Now has empty weigh on 915kg. Intension is to make it more light around 880 kg. Engine will be upgraded to 400+HP. The Aircraft has to be prepaired for short take off and landing fields.
  
  Any suggestions on best proppel to use? cruisespeed not importent, climb rate most importent.
  
  Also would like to now if any has experience on wortex kit on Yak 52, benefits on stall speed etc..?
  
  The rebuild will be possible to follow onwww.yaknorway.com when we start.
  
  Best regards
  
  Havard Dale  
     
 Norway  
   
     http://www.matronics.com/Navigator?Yak-Listhttp://forums.matronics.com  | 	  012
        3
  | 	 
 
 
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		taylor527(at)att.net Guest
 
 
 
 
 
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				 Posted: Tue Jul 09, 2013 7:01 am    Post subject: Performance Yak 52 | 
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  | 
			 
			
				The people at whirlwind could probably provide that info  
 Pete  
          
   
 From: owner-yak-list-server(at)matronics.com [mailto:owner-yak-list-server(at)matronics.com] On Behalf Of Håvard Dale
  Sent: Tuesday, July 09, 2013 7:44 AM
  To: yak-list(at)matronics.com
  Subject: Re: Performance Yak 52  
   
      
 Thanks,  
     
    
     
 Do you have numbers for the thrust ratio on whirlwind prop?  
     
    
     
 BR  
     
 Havard  
     
 
  Sendt fra min iPhone 4S  
     
 
  Den 9. juli 2013 kl. 16:14 skrev "Pete Taylor" <taylor527(at)att.net (taylor527(at)att.net)>:  
   [quote]    
 Havard,  
 I have a Whirlwind 3 blade propeller,it increased climb and cruise .Also it provides some braking when landing.  
 Pete Taylor        
   
 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 Håvard Dale
  Sent: Tuesday, July 09, 2013 4:55 AM
  To: Yak-List Digest Server; Yak-List Digest List
  Subject: Performance Yak 52  
   
      
    
     
    
    	  | Quote: | 	 		        
 Hi,
  
  Just bought an 52. Previous Owner has allready lightning it pretty mutch. Now has empty weigh on 915kg. Intension is to make it more light around 880 kg. Engine will be upgraded to 400+HP. The Aircraft has to be prepaired for short take off and landing fields.
  
  Any suggestions on best proppel to use? cruisespeed not importent, climb rate most importent.
  
  Also would like to now if any has experience on wortex kit on Yak 52, benefits on stall speed etc..?
  
  The rebuild will be possible to follow onwww.yaknorway.com when we start.
  
  Best regards
  
  Havard Dale  
     
 Norway  
   
    | 	     	  | Quote: | 	 		  |   http://www.matronics.com/Navigator?Yak-Listhttp://forums.matronics.comhttp://www.matronics.com/contribution | 	  
   [b]
 
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		Dale
 
 
  Joined: 30 May 2007 Posts: 178
 
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				 Posted: Tue Jul 09, 2013 10:41 am    Post subject: Re: Performance Yak 52 | 
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				I would be interested in following along on your rebuild after you start flying it off a 690' strip.
 
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		GeorgeCoy
 
 
  Joined: 02 Dec 2010 Posts: 310
 
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				 Posted: Tue Jul 09, 2013 11:25 am    Post subject: Performance Yak 52 | 
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  | 
			 
			
				You might check with Kregg Victory. He made a very light 52. As I recall he
 removed all original wiring, electrical equipment and instruments and
 installed Dynon stuff in the front and only an airspeed, altimeter and T&B
 in the rear. Light weight alternator etc. You have to watch the CG carefully
 when you make these kinds of modificatios.
 George Coy
 
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		havard.dale(at)yaknorway. Guest
 
 
 
 
 
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				 Posted: Tue Jul 09, 2013 11:41 am    Post subject: Performance Yak 52 | 
				     | 
			 
			
				
  | 
			 
			
				Well, maybe its not possible! But Take off, no problem! Landing may be a problem! Offcourse this will be tested on other airfield before on my own field.  
 
 Not so stupid that I am testing it out on this field!! 
 
 How long do you mean its requiered then? 800? 1000? 2000??
 
 Nothing is imposible! Just The mather of finding correct Solutions:-)
 
 Havard
 
 Sendt fra min iPhone 4S
 
 Den 9. juli 2013 kl. 20:41 skrev "Dale" <dale(at)frii.com>:
 
 
 
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		havard.dale(at)yaknorway. Guest
 
 
 
 
 
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				 Posted: Tue Jul 09, 2013 11:43 am    Post subject: Performance Yak 52 | 
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				Thanks George,
 
 Do you contact adress for Kregg?
 
 Email me on havard.dale(at)yaknorway.com
 
 BR
 Havard
 
 Sendt fra min iPhone 4S
 
 Den 9. juli 2013 kl. 21:24 skrev "George Coy" <george.coy(at)gmail.com>:
 
 [quote] 
  
  You might check with Kregg Victory. He made a very light 52. As I recall he
  removed all original wiring, electrical equipment and instruments and
  installed Dynon stuff in the front and only an airspeed, altimeter and T&B
  in the rear. Light weight alternator etc. You have to watch the CG carefully
  when you make these kinds of modificatios.
  George Coy
  
  --
 
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		markdavis(at)wbsnet.org Guest
 
 
 
 
 
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				 Posted: Tue Jul 09, 2013 1:10 pm    Post subject: Performance Yak 52 | 
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				I have a couple of lightly used tailhooks for an A-4 and an EA-6B that 
 should solve your landing distance issue!   Just here to help.....    :  )
 
 Mark Davis
 N44YK
 
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		bwade154(at)yahoo.com Guest
 
 
 
 
 
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				 Posted: Tue Jul 09, 2013 2:08 pm    Post subject: Performance Yak 52 | 
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				Hi Havard I operate a Yak 52 off 2400' grass at 1,100 elevation my Yak which is very stock uses halve the runway for takeoff (about700') that is required to land in (about 1500') so the weight loss and HP increase is going to be fun - fun - fun but your landing's are what's going to determine where you operate. My personal airport limit is 2,000'
  Bill Wade N4450Y
  
 
     
 From: Håvard Dale <havard.dale(at)yaknorway.com>
 To: "yak-list(at)matronics.com" <yak-list(at)matronics.com> 
 Sent: Tuesday, July 9, 2013 9:18 AM
 Subject: Re: Performance Yak 52
 
  
    Yes like that myself to! 
  
 
  But when The field I gone use here in Norway is shorter than shortest! improvments has to be done:-) 
  
 
  BR
  Havard 
 
 Sendt fra min iPhone 4S
  
 Den 9. juli 2013 kl. 14:54 skrev cjpilot710(at)aol.com (cjpilot710(at)aol.com):
   	  | Quote: | 	 		    No, no details.  Vortex generators have been around a long time and their benefits are well know.  And except for making the wing harder to clean or polish and snagging your cloths on, do have a marked effect on stall and control effeteness at or near stall angles of attack.
   
  I'd put them on my CJ-6 (I believe some guys have) but I simply don't need them.  I just don't fly that part of the envelope often enough, plus I like the "quaintness" of a vintage warbird.  Just me.
   
  Jim "Pappy" Goolsby      
   
   In a message dated 7/9/2013 8:41:43 A.M. Eastern Daylight Time, havard.dale(at)yaknorway.com (havard.dale(at)yaknorway.com) writes:
   	  | Quote: | 	 		   Hi thanks,
  
 
  Did he specify The benefits on stall speed?
  
 
  BR
  
 
  Havard 
 
 Sendt fra min iPhone 4S
  
 Den 9. juli 2013 kl. 14:16 skrev cjpilot710(at)aol.com (cjpilot710(at)aol.com):
   	  | Quote: | 	 		    Just saw a Yak 52TW out in Cody, Wy. with a vortex kit on it.  Owner said it made a "good deal of difference".  The Clark Y airfoil is the same on all the Yaks, so you shouldn't have a problem figuring the proper placement.
   
  Jim "Pappy" Goolsby
   
   In a message dated 7/9/2013 8:07:19 A.M. Eastern Daylight Time, havard.dale(at)yaknorway.com (havard.dale(at)yaknorway.com) writes:
   	  | Quote: | 	 		   Hi,
 
 Just bought an 52. Previous Owner has allready lightning it pretty mutch. Now has empty weigh on 915kg. Intension is to make it more light around 880 kg. Engine will be upgraded to 400+HP. The Aircraft has to be prepaired for short take off and landing fields.
 
 Any suggestions on best proppel to use? cruisespeed not importent, climb rate most importent.
 
 Also would like to now if any has experience on wortex kit on Yak 52, benefits on stall speed etc..?
 
 The rebuild will be possible to follow onhttp://www.yaknorway.com/ when we start.
 
 Best regards
 
 Havard Dale 
 Norway
  
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