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Position of VGs on elevator?

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arno7452(at)bellsouth.net
Guest

Posted: Sun Oct 16, 2011 11:57 am Post subject: Position of VGs on elevator?

John,

 I installed the VGs a couple of years ago.  I  will check later today or tomorrow for the instructions I received.

 Ken Arnold

 N701LK

  

 do not archive

  

  

 [quote]   ---

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ch701builder(at)yahoo.com
Guest

Posted: Sun Oct 16, 2011 12:02 pm Post subject: Position of VGs on elevator?

John,

Here is a link to what others have done. I think it was posted by Sebastien   

http://www.zenith.aero/profiles/blogs/installing-micro-vortex?id=2606393%3ABlogPost%3A13370&page=2



Keith

(currently not getting anything done on my plane....again!!)



*************************************************************************

From: John Marzulli <john.marzulli(at)gmail.com>

To: zenith701801-list(at)matronics.com

Sent: Sunday, October 16, 2011 1:35 PM

Subject: Position of VGs on elevator?



 I have test fitted the Zenith sold VGs onto my elevator and after a few hours of landings, I see only a subtle and slight improvement.



Given that the directions give no exact position, or even a range, I guessed such that the rear edge of the VGs are 100mm forward of the elevator's spar rivet line.

 

Has anyone found an optimal position, or is the improvement only slight?



Thanks,John Marzulli



http://MarzulliPhoto.net/

http://701Builder.blogspot.com/

   [quote][b]

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dougsnash

Joined: 14 Apr 2008
Posts: 281

Posted: Sun Oct 16, 2011 12:41 pm Post subject: Position of VGs on elevator?

John, you might want to check with Zenith.  It's been a couple of years since I installed mine but I seem to remember that there was some kind of guidance given for the fore and aft location.  It was a measurement from the spar rivet line if I remember correctly.

  

 Doug MacDonald

 CH-701 from Scratch

 NW Ontario, Canada

  

 Do Not Archive

 



   

From: John Marzulli <john.marzulli(at)gmail.com>

To: zenith701801-list(at)matronics.com

Sent: Sunday, October 16, 2011 2:35:26 PM

Subject: Zenith701801-List: Position of VGs on elevator?



 I have test fitted the Zenith sold VGs onto my elevator and after a few hours of landings, I see only a subtle and slight improvement.



Given that the directions give no exact position, or even a range, I guessed such that the rear edge of the VGs are 100mm forward of the elevator's spar rivet line.



Has anyone found an optimal position, or is the improvement only slight?



Thanks,John Marzulli



http://MarzulliPhoto.net/

http://701Builder.blogspot.com/

[quote]



ist" rel=nofollow target=_blank>http://www.matronics.com/Navigator?Zenith701801-List

et=_blank>http://forums.matronics.com

llow target=_blank>http://www.matronics.com/contribution



[b]

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john.marzulli(at)gmail.co
Guest

Posted: Sun Oct 16, 2011 12:46 pm Post subject: Position of VGs on elevator?

That would suggest I need to move my VGs 20mm forward from their current installation point...



John Marzulli



http://MarzulliPhoto.net/

 http://701Builder.blogspot.com/

 



On Sun, Oct 16, 2011 at 1:00 PM, Keith Ashcraft <ch701builder(at)yahoo.com (ch701builder(at)yahoo.com)> wrote:

[quote] John,

Here is a link to what others have done. I think it was posted by Sebastien   

 



http://www.zenith.aero/profiles/blogs/installing-micro-vortex?id=2606393%3ABlogPost%3A13370&page=2 



Keith

(currently not getting anything done on my plane....again!!)



*************************************************************************

 



From: John Marzulli <john.marzulli(at)gmail.com (john.marzulli(at)gmail.com)> 

To: zenith701801-list(at)matronics.com (zenith701801-list(at)matronics.com)

Sent: Sunday, October 16, 2011 1:35 PM

 Subject: Position of VGs on elevator?

 I have test fitted the Zenith sold VGs onto my elevator and after a few hours of landings, I see only a subtle and slight improvement.



Given that the directions give no exact position, or even a range, I guessed such that the rear edge of the VGs are 100mm forward of the elevator's spar rivet line.

  

Has anyone found an optimal position, or is the improvement only slight?



Thanks,John Marzulli



http://MarzulliPhoto.net/

http://701Builder.blogspot.com/

     	  Quote: 	
		  



ist" target="_blank">http://www.matronics.com/Navigator?Zenith701801-List

tp://forums.matronics.com

_blank">http://www.matronics.com/contribution



	


[b]

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craig(at)craigandjean.com
Guest

Posted: Sun Oct 16, 2011 5:39 pm Post subject: Position of VGs on elevator?

I’ve seen a number of people leave off every other VG. That is instead of using a single VG flipped around as the spacer they used three (backwards-forwards-backwards) as the temporary spacers.

 

-- Craig

 

From: owner-zenith701801-list-server(at)matronics.com [mailto:owner-zenith701801-list-server(at)matronics.com] On Behalf Of John Marzulli

Sent: Sunday, October 16, 2011 1:44 PM

To: zenith701801-list(at)matronics.com

Subject: Re: Position of VGs on elevator?



 

That would suggest I need to move my VGs 20mm forward from their current installation point...



John Marzulli



http://MarzulliPhoto.net/

http://701Builder.blogspot.com/

On Sun, Oct 16, 2011 at 1:00 PM, Keith Ashcraft <ch701builder(at)yahoo.com (ch701builder(at)yahoo.com)> wrote:

John,



Here is a link to what others have done. I think it was posted by Sebastien   



 



http://www.zenith.aero/profiles/blogs/installing-micro-vortex?id=2606393%3ABlogPost%3A13370&page=2

 



Keith



(currently not getting anything done on my plane....again!!)



*************************************************************************



 

From: John Marzulli <john.marzulli(at)gmail.com (john.marzulli(at)gmail.com)>



To: zenith701801-list(at)matronics.com (zenith701801-list(at)matronics.com)

Sent: Sunday, October 16, 2011 1:35 PM

Subject: Position of VGs on elevator?



 

I have test fitted the Zenith sold VGs onto my elevator and after a few hours of landings, I see only a subtle and slight improvement.



Given that the directions give no exact position, or even a range, I guessed such that the rear edge of the VGs are 100mm forward of the elevator's spar rivet line.



Has anyone found an optimal position, or is the improvement only slight?



Thanks,John Marzulli



http://MarzulliPhoto.net/

http://701Builder.blogspot.com/



 



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