REFLECTOR:Trailing Edge Fences

[jack davis]

Dave,

I suppose it couldn't hurt to put them on and see if there was any change in
flight characteristics.  I'm still in primer (after 2 years!) so it wouldn't
be that much trouble.

Jack
----- Original Message -----
From: "Dave Teter" <ezaviator@truetechsys.com>
To: <reflector@tvbf.org>
Sent: Monday, January 26, 2004 9:11 AM
Subject: Re: REFLECTOR:Trailing Edge Fences


> Jack,
> I stand corrected. I thought that vortilons were a necessary airframe
> component on our swept wing designs. I based this thought on thirteen
years
> worth of reading Burt's newsletters, the Central States newsletters, and
of
> course the builders manual that came with my 173.
>
> It may be interesting for you to put a set on and evaluates flight/stall
> characteristics.
>
> Best Regards,
> David
>
> ----- Original Message -----
> From: "jack davis" <n767sd@hotmail.com>
> To: <reflector@tvbf.org>
> Sent: Sunday, January 25, 2004 9:21 PM
> Subject: Re: REFLECTOR:Trailing Edge Fences
>
>
> > 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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