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Zenith 601XL

Hi John,
Yes, I have mounted my VGs and I am very pleased. 
M
y landings are, even full loaded, very smouth!!!!! at 30 kts.
Take off the same.

Greetings from Belgium, Guido

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Placing Stolspeed VGs on a 601XL:

Measuring from a vertical at the leading edge of the wing when the aircraft is at flying attitude.
At the wing root mark a point 110mm back from that vertical.
At the wing tip mark a point 85mm back from that vertical.
Run a string line between those points.
Set the VGs with their front tips along that line.
Start at each wing tip with a spacing of 60mm for the first 15 VGs.
Then 90mm spacing for the rest.

For the horizontal stabilizer, place the VGs on the underside with their front tips 100mm in front of the hinge line, spaced at 30mm.

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