REFLECTOR: VG
Douglas Holub
douglas.holub at gmail.com
Fri Jan 6 16:46:44 CST 2012
If I had a 173 wing and VGs on the canard I'll bet I could touch down at 65 kts. Does anybody have a Velocity with Vso under 60 kts?
----- Original Message -----
From: Kevin Baker
To: Velocity Aircraft Owners and Builders list
Cc: Velocity Aircraft Owners and Builders list
Sent: Friday, January 06, 2012 5:33 PM
Subject: Re: REFLECTOR: VG
Isn't that about normal for all the velos?
Or an I mistaken?
Kevin
.
On Jan 6, 2012, at 16:15, "Douglas Holub" <douglas.holub at gmail.com> wrote:
Cross the threshold at 80 kts and touch down about 75 kts. Vs is about 63 kts, Vso about 67 kts.
----- Original Message -----
From: Kevin Baker
To: Velocity Aircraft Owners and Builders list
Cc: Velocity Aircraft Owners and Builders list
Sent: Friday, January 06, 2012 5:06 PM
Subject: Re: REFLECTOR: VG
Hi Doug
What speed do you land at?
Kevin
.
On Jan 6, 2012, at 14:55, "Douglas Holub" <douglas.holub at gmail.com> wrote:
Danny also increased the chord of the wing at that time for deep stall insurance, and made leading edge extensions (cuffs) for all the kits that already had wings, like mine. I think the cuffs are kind of ugly, so I asked the factory if I really needed them. Duane was of the opinion that the VGs would do as much good as the cuffs and the vortilons, so I've been flying with VGs but without vortilons and leading edge cuffs. That's also the reason that I don't have VGs on my canard.
When I was building my plane I thought having a faster wing would be a good thing. My plane is fast (200 mph at 4000 feet with less than 200 hp and a fixed pitch 2 blade prop), but I wish it landed slower. In retrospect I wish I had gone with the 173 wing. Hey, maybe I'll trade wings with somebody someday!
Doug Holub
2009 Standard FG
----- Original Message -----
From: Scott Derrick
To: Velocity Aircraft Owners and Builders list
Sent: Friday, January 06, 2012 1:46 PM
Subject: Re: REFLECTOR: VG
I'm not sure why Duane said that.
During the main wing stall investigation when Maher still owned Velocity, he said that Vortilons significantly reduced the chance of encountering deep stall and recommended them on all airplanes in addition to the changes they made to the strake and reduced rear CG range.
Maybe The Swings changed something later that reduced that requirement? Maybe only STD size wings need them?
I had not heard they were no longer required and apologize if I was spreading miss-information. They are supposed make the ailerons more effective at low speeds, I don't know because I have never flown without them.
I have flown with and without VG's and they definitely increase aileron effectiveness and reduce takeoff and landing speeds.
Scott
-------- Original Message --------
Subject: Re: REFLECTOR: VG
From: velocityoner at yahoo.com
To: Velocity Aircraft Owners and Builders list <reflector at tvbf.org>
Date: 01/06/2012 11:13 AM
The factory doesn't have vortilons on their aircraft. My airplane has been flying for 19 years without them. Not to say that I wouldn't put them on but I know of other velocities without them as well. I have the short wing. I once asked Duane about adding them and he said they went needed. I have somewhere around 800 landings to date. I may try them one day along with TE Fences. It would be interesting to see how much difference they make.
Victor Taylor
N93DV
Sent from my iPhone
On Jan 6, 2012, at 10:54 AM, Scott Derrick <scott at tnstaafl.net> wrote:
I think your confused. What was mounted on your Glastar where Vortilons, not VG's. We have Vortilons on the V's and only people with a death wish fly without them. VG's on the other hand are optional, but I think they are worth every penny and hassle.
Scott
-------- Original Message --------
Subject: Re: REFLECTOR: VG
From: Peter Braswell <peter.braswell at gmail.com>
To: Velocity Aircraft Owners and Builders list <reflector at tvbf.org>
Date: 01/06/2012 08:58 AM
All,
The VG's seem to be a bit of a pain to deal with. I was wondering about the tangible benefit they provide and are they worth the heart burn?
I had VG's on my Glastar. They were however just triangular shaped devices that were mounted just above the airfoil out on the leading edge and they roughly followed the curvature of the wing. There were two on each wing, one mounted about 3/4 outboard and the other right at the root. They were advertised to lower the stall speed and to help maintain aileron effectiveness at low airspeeds. I ended up removing the root mounted VG's to better seal the wing root area (the cabin was drafty) and I didn't notice one bit of difference in either handling or the stall speed.
Peter
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On Fri, Jan 6, 2012 at 9:52 AM, Scott Derrick <scott at tnstaafl.net> wrote:
I have CC I vg's on my plane. They are OK. They are sharp and care must be used when washing the plane. They also get brittle over time, they are not UV proof as advertised.
Barry Gibbons <gibbons at as.net> wrote:
I was looking at Velocity‘s store web site and they didn’t have the VG for the wings and canard. I found a place called CCI of New Jersey has any body used their VGs?
Barry
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