REFLECTOR: Top NACA scoop VG location

[velocityoner at yahoo.com]

Duane Swing told me to point them like this / \ . It has worked very well for me. It makes a big difference on my airplane. 
 
Victor Taylor
N93DV Irvington, Al
 

________________________________
 From: Velocity <VelocityXL at fastmail.fm>
To: Velocity Aircraft Owners and Builders list <reflector at tvbf.org> 
Sent: Monday, November 28, 2011 8:36 AM
Subject: Re: REFLECTOR: Top NACA scoop VG location
 

  
Has any one done any testing or know if  the 
vg should  be pointed in to the air flow / \   Or be open to 
the air flow  \ /  
before entering the naca scoops.  I installed 
mine  \ /  open to the air flow  but see that others have 
installed them  
pointed at the air flow / \ . I will test mine as is but 
was wondering if there was any proven way they should be installed. 
  
Ron 
----- Original Message -----  
>From: Brett  Ferrell  
>To: reflector  
>Sent: Sunday, November 20, 2011 9:01  AM 
>Subject: Re: REFLECTOR: Top NACA scoop VG  location 
>
> 
>These are all still available, but you must be a registered member of the  website (click on register on the upper right hand corner of the page).   Just select Downloads on the top navigation bar, then select "Velocity Views"  under the Articles category.  I've updated that old page to note this, as  well as updated the Wiki entry with this information. 
>
> 
>Wiki updated with Velocity Views information 
>http://www.velocityxl.com/wiki/index.php?title=NACA_VG_Installation
> 
>
> 
>Link to the Velocity Views article (must login) 
>http://www.velocityxl.com/downloads.php?do=file&id=100
> 
>
> 
>Brett
> 
>
> 
>
> 
>>--- in reply to  
>>  There was an article in Velocity Views (volume 29) from the factory about  this. I just went online here http://www.velocityxl.com/content.php?1064-Velocity-Views-Articles  and all the links on this page appear to be broken – Brett? I have a hard copy  and it says place them about one inch in front of the NACA, the front of the  fins should be about 1.5 inches apart and the back about 2.25 inches – for an  XL. For the standard fuselage move them closer but still maintain that .75  inch difference. The factory claimed a 40 – 50 degree reduction in  CHT. 
> > 
> 
>>  Tony Babb 
>>  SERG 52% done, 78% to go> www.alejandra.net/velocity  
> 
>
>________________________________
>
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