REFLECTOR: NACA VG's (was Plenum Attachment)

[Pat Shea]

Chuck,

I uploaded some pics into TVBF of the top naca VG's on
the factory's XL. See link below. They work great - I
lost one from one side and the temps on that bank of
cylinders went up at least 30 degrees!  

http://www.tvbf.org/gallery/index.php?dir=subsystems%2Fair_cooling%2F

Pat XL-RG

--- Chuck Harbert <c.harbert at comcast.net> wrote:

> 
> But with that said, I'm having some non-serious
> cooling  problems that I 
> think might be solved with vortex generators. Does
> anybody have the specs on 
> the size and position of the VG's that go in front
> of the NACA scoops? It 
> only seems to be a problem in climb. I haven't
> tested to see what my inlet 
> pressure is, but I suspect it isn't full airspeed
> pressure. I don't have a 
> spare airspeed indicator, but maybe I'll go get one
> so I can test it.
> 
> Chuck H


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