Today's Message Index:
----------------------
1. 08:29 AM - Re: VG's (mppalmer@aol.com)
2. 10:31 AM - Re: Re: VG's (CYNAMONB@aol.com)
3. 04:07 PM - Re: Re: VG's (Bob Granley)
4. 05:18 PM - Re: Re: VG's (Brian Beaird)
Message 1
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I put VG's on the bottom of the horizontal stabilizer, about six inches (pl
us or minus) ahead of the hinge line to keep airflow attached while flaring
and landing. You see same on Aero Commanders, IIRC. I wrote about it in on
e of the early newsletters.
BTW, I notice that I do not get any bugs on the horizontal stabilizer from
a line tangent to the fuselage to the root of the stab. I gotta conclude th
e air is stagnant there. And that's quite a lot of air. (GII fuselage with
a GI stabilizer.)
I keep thinking about putting HUGE VG's along with side of the fuselage, wh
ere it diverges at the flap, to keep the airflow attached, as they did on t
he Seawind.
But we're talking 3 inch VG's, which look dangerous for getting in and out
of the plane.
Mike Palmer <><
Message 2
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I used to have a Glasair 1 RG with VG's on the bottom of the horizontal
stabilizer as well. I can't tell you if they made any difference as I never
had the opportunity to fly the aircraft without them, I bought it that way. I
can tell you that I remember thinking that I was able to keep the nose
wheel off the runway until the airplane was barely moving.
In a message dated 9/23/2013 1:23:13 P.M. Eastern Daylight Time,
mppalmer@aol.com writes:
I put VG's on the bottom of the horizontal stabilizer, about six inches
(plus or minus) ahead of the hinge line to keep airflow attached while
flaring and landing. You see same on Aero Commanders, IIRC. I wrote about it in
one of the early newsletters.
BTW, I notice that I do not get any bugs on the horizontal stabilizer
from a line tangent to the fuselage to the root of the stab. I gotta conclude
the air is stagnant there. And that's quite a lot of air. (GII fuselage
with a GI stabilizer.)
I keep thinking about putting HUGE VG's along with side of the fuselage,
where it diverges at the flap, to keep the airflow attached, as they did on
the Seawind.
But we're talking 3 inch VG's, which look dangerous for getting in and
out of the plane.
Mike Palmer <><
Message 3
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I have VGs on the vert and horiz stab as well. Small rudder still so I was
looking for some more control. It did work. Building the larger rudder now
but will leave the VGs there. Thanks for all of the comments. Any experience
is appreciated!
Bob
From: owner-glasair-list-server@matronics.com
[mailto:owner-glasair-list-server@matronics.com] On Behalf Of
CYNAMONB@aol.com
Sent: Monday, September 23, 2013 10:32 AM
Subject: Re: Glasair-List: Re: VG's
I used to have a Glasair 1 RG with VG's on the bottom of the horizontal
stabilizer as well. I can't tell you if they made any difference as I never
had the opportunity to fly the aircraft without them, I bought it that way.
I can tell you that I remember thinking that I was able to keep the nose
wheel off the runway until the airplane was barely moving.
In a message dated 9/23/2013 1:23:13 P.M. Eastern Daylight Time,
mppalmer@aol.com <mailto:mppalmer@aol.com> writes:
I put VG's on the bottom of the horizontal stabilizer, about six inches
(plus or minus) ahead of the hinge line to keep airflow attached while
flaring and landing. You see same on Aero Commanders, IIRC. I wrote about it
in one of the early newsletters.
BTW, I notice that I do not get any bugs on the horizontal stabilizer from a
line tangent to the fuselage to the root of the stab. I gotta conclude the
air is stagnant there. And that's quite a lot of air. (GII fuselage with a
GI stabilizer.)
I keep thinking about putting HUGE VG's along with side of the fuselage,
where it diverges at the flap, to keep the airflow attached, as they did on
the Seawind.
But we're talking 3 inch VG's, which look dangerous for getting in and out
of the plane.
Mike Palmer <><
ref="http://www.matronics.com/Navigator?Glasair-List">http://www.matronics.c
om/Navigator?Glasair-List
s.matronics.com/">http://forums.matronics.com
p://www.matronics.com/contribution">http://www.matronics.com/contribution
Message 4
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Mike,
My Glasair has GII fuselage and GI stab also. I'm happy with it's
performance over all, but I'd always like to reduce stall speed
further... Did you see real performance improvements after adding the VG's
to your stab? I will look up your newsletter article.
Brian Beaird
RGII N240DB
On Mon, Sep 23, 2013 at 10:28 AM, <mppalmer@aol.com> wrote:
> I put VG's on the bottom of the horizontal stabilizer, about six inches (
> plus or minus) ahead of the hinge line to keep airflow attached while
> flaring and landing. You see same on Aero Commanders, IIRC. I wrote about
> it in one of the early newsletters.
>
> BTW, I notice that I do not get any bugs on the horizontal stabilizer
> from a line tangent to the fuselage to the root of the stab. I gotta
> conclude the air is stagnant there. And that's quite a lot of air. (GII
> fuselage with a GI stabilizer.)
>
> I keep thinking about putting HUGE VG's along with side of the fuselage, where
> it diverges at the flap, to keep the airflow attached, as they did on the
> Seawind.
>
> But we're talking 3 inch VG's, which look dangerous for getting in and
> out of the plane.
>
> Mike Palmer <><
>
> *
>
> *
>
>
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