Originally Posted by Keith_Wood
Originally Posted by Ed_Pataky
They are supposed to be placed on the wing and rudder in very specific places and configuration. How have you seen them? I'm wondering about that.


I've seen planes with them just above the leading edge and as far back as almost to the thickest part of the wing. I've even seen planes of the same type and model of plane with VGs in different places.


Unless there are manufacturers with different certifications for their VG's on the same model plane (highly unlikely), something is wrong. I have seen VG's on airliners (big iron) on top of the wing far removed from the leading edge. I have also seen VG's on smaller GA birds in different sizes and configurations. I have the VGs from MicoAerodynamics in Anacortes, Washington. Had 'em on since 1995, and I love 'em.

There are two packages for the 150 - one for the straight tail, the other for the slant tail. On the 150, VG's are not installed on the bottom of the horizontal stabilizer, while on the 172 and they are.

I have seen certain models of VG's that are fairly large and/or tall. Mine are about a quarter of an inch to 3/8 inch tall, about an inch long, and they work really well.

In the March/April 2007 edition of the Club newsletter, I wrote an article describing the installation, the kit, and results of the MicroAerodynamics VG's on my 150M - Mary Lou.

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