hi there

we put the VG's at 10% of chord. the change was about 7 knots reduction in stall speed. it did not change the after stall characteristics of my wing.

we even tried putting the VG's at 8% of chord in the area of the ailerons  to see if that would improve  the stall. that did not change the stall.

The stall numbers were about 74 knots reduced to 67 knots.

peter

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