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1. 06:53 AM - Re: Vortex generators update (aerosiam)
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| Subject: | Re: Vortex generators update |
Hugh
The VGs have 2 benefits. They reduce stall speed and improve control effectiveness
as slow speed.
The stall speed is less because the VGs allow the wing to fly at a higher angle
of attack than before - I would guess only 1 degree more at landing full flaps
so the tail will be slightly nearer the ground on a full flare landing
The improved control means that whatever stick inputs you are used to for landing
and taking off, you will need slightly less back pressure for the same effect
- it is like having a slightly bigger horizontal tail surface
In practice, the effects are not significant and it only takes a few take offs
and landing to get used to it.
The effect is more with full span VGs over half-span.
The downsides of the VGs are very minor compared to the improvement in safety and
handling.
Regards
Paul
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http://forums.matronics.com/viewtopic.php?p=190540#190540
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