Today's Message Index:
----------------------
1. 07:59 PM - Elevator VG's (Scott Aldrich)
2. 08:48 PM - Re: Elevator VG's (Ted Waltman)
3. 08:54 PM - Re: Elevator VG's (Scott Aldrich)
4. 09:46 PM - Re: Elevator VG's (Al Paxhia)
Message 1
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Why do most guys put the stab/elevator VG's back at the hinge line (on the
bottom of stab of course) and not more forward like on the wing? Is there
some guidance on this? It seems to me it would be like putting the wing
vg's back just in front of the flaps or aileron hinge? Trying to decide
where to put them.
Thanks,
Scott
Moose 174
Message 2
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I'm no aerodynamicist, but my guess is that is the critical spot where the
boundary layer needs to be energized, whereas on the wing the critical lift
area is near the front?????
Anybody know the engineering behind the placement?
Ted
_____
From: owner-murphymoose-list-server@matronics.com
[mailto:owner-murphymoose-list-server@matronics.com] On Behalf Of Scott
Aldrich
Sent: Wednesday, June 07, 2006 8:58 PM
Subject: MurphyMoose-List: Elevator VG's
Why do most guys put the stab/elevator VG's back at the hinge line (on the
bottom of stab of course) and not more forward like on the wing? Is there
some guidance on this? It seems to me it would be like putting the wing
vg's back just in front of the flaps or aileron hinge? Trying to decide
where to put them.
Thanks,
Scott
Moose 174
Message 3
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I was just wondering if someone's VG instructions were to place them there
or if one guys saw it and just copied it. I would think the tail (airfoil)
would have the same lift characteristics as any other?
Scott
_____
From: owner-murphymoose-list-server@matronics.com
[mailto:owner-murphymoose-list-server@matronics.com] On Behalf Of Ted
Waltman
Sent: Wednesday, June 07, 2006 9:48 PM
Subject: RE: MurphyMoose-List: Elevator VG's
I'm no aerodynamicist, but my guess is that is the critical spot where the
boundary layer needs to be energized, whereas on the wing the critical lift
area is near the front?????
Anybody know the engineering behind the placement?
Ted
_____
From: owner-murphymoose-list-server@matronics.com
[mailto:owner-murphymoose-list-server@matronics.com] On Behalf Of Scott
Aldrich
Sent: Wednesday, June 07, 2006 8:58 PM
Subject: MurphyMoose-List: Elevator VG's
Why do most guys put the stab/elevator VG's back at the hinge line (on the
bottom of stab of course) and not more forward like on the wing? Is there
some guidance on this? It seems to me it would be like putting the wing
vg's back just in front of the flaps or aileron hinge? Trying to decide
where to put them.
Thanks,
Scott
Moose 174
Message 4
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| Subject: | Re: Elevator VG's |
I was told to put them there by Jerry at PNW Aero. I didn't ask why but
they did solve the lack of elevator authority at stall.
Al
----- Original Message -----
From: Scott Aldrich
To: murphymoose-list@matronics.com
Sent: Wednesday, June 07, 2006 8:53 PM
Subject: RE: MurphyMoose-List: Elevator VG's
I was just wondering if someone's VG instructions were to place them
there or if one guys saw it and just copied it. I would think the tail
(airfoil) would have the same lift characteristics as any other?
Scott
-------------------------------------------------------------------------
-----
From: owner-murphymoose-list-server@matronics.com
[mailto:owner-murphymoose-list-server@matronics.com] On Behalf Of Ted
Waltman
Sent: Wednesday, June 07, 2006 9:48 PM
To: murphymoose-list@matronics.com
Subject: RE: MurphyMoose-List: Elevator VG's
I'm no aerodynamicist, but my guess is that is the critical spot where
the boundary layer needs to be energized, whereas on the wing the
critical lift area is near the front?????
Anybody know the engineering behind the placement?
Ted
-------------------------------------------------------------------------
-----
From: owner-murphymoose-list-server@matronics.com
[mailto:owner-murphymoose-list-server@matronics.com] On Behalf Of Scott
Aldrich
Sent: Wednesday, June 07, 2006 8:58 PM
To: murphymoose-list@matronics.com
Subject: MurphyMoose-List: Elevator VG's
Why do most guys put the stab/elevator VG's back at the hinge line (on
the bottom of stab of course) and not more forward like on the wing? Is
there some guidance on this? It seems to me it would be like putting
the wing vg's back just in front of the flaps or aileron hinge? Trying
to decide where to put them.
Thanks,
Scott
Moose 174
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