REFLECTOR:Trailing Edge Fences

jack davis reflector@tvbf.org
Sun, 25 Jan 2004 22:21:35 -0500


Well, when I purchased my VGs from the factory several years ago, the
factory said the vortilons were not needed when the VGs were installed.

I have completed stall testing at the aft CG with not even a hint of the
onset of a deep stall.

Just my experience.

Jack
----- Original Message -----
From: "Dave Teter" <ezaviator@truetechsys.com>
To: <reflector@tvbf.org>
Sent: Saturday, January 24, 2004 6:40 PM
Subject: Re: REFLECTOR:Trailing Edge Fences


> Jack,
> As a couple of others have mentioned, I would strongly suggest you put the
> vortilons on!
>
> Without them, you may be very prone to get into a deep stall. The purpose
of
> vg's is very different than that of the vortilons.
>
> Dave
> 173FG Elite
>
> ----- Original Message -----
> From: "jack davis" <n767sd@hotmail.com>
> To: <reflector@tvbf.org>
> Sent: Saturday, January 24, 2004 1:45 PM
> Subject: Re: REFLECTOR:Trailing Edge Fences
>
>
> > I have a standard RG Elite and only have the VGs (i.e., no vortilons).
> The
> > aircraft handles very well even at very low landing speeds.  In fact, I
> have
> > immediate aileron control right down to touch down with no need of the
> > rudders.  I flew it once without the VGs and at slow speeds it wollows
in
> > the wind without rudder input.
> >
> > Therefore, I would disagree and say that you don't need the vortilons if
> you
> > have the VGs installed.  Just my experience . . .
> >
> > Jack
> > ----- Original Message -----
> > From: "Scott" <scott@tnstaafl.net>
> > To: <reflector@tvbf.org>
> > Sent: Friday, January 23, 2004 10:48 PM
> > Subject: Re: REFLECTOR:Trailing Edge Fences
> >
> >
> > > I wouldn't.
> > >
> > > Per the factory and everything else I've read you should always have
the
> > > Vortilons installed.  Flying may be done without them for testing but
> you
> > > must insure your CG is well forward .
> > >
> > > The VG's do an entirely different job as compared to what Vortilons do
> for
> > > you.
> > >
> > > Actually the job of Vortilons is more similar to what the aft Fence
> does,
> > > as in reducing side ways flow across the wing.
> > >
> > > Scott
> > >
> > > At 01:34 PM 1/23/2004, you wrote:
> > > >XL as the other models. Do most people take off the
> > > >vortilons when they install the VG's on the wing??
> > > >
> > > >Pat
> > >
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