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>>>Put the servos mechanically as close to the control surface as possible. 
My roll servo is on top the canard (in the doghouse).  I mounted the
roll
servo in my left wing.  

I think the only problem you will have is with wing rock.  Keep the
mechanical gain as low as possible on the Roll servo.  I removed the
servo
bracket and mounted the cntl rod directly to the servo to lower gain. 
Make the arm on the aileron as long as possible WITHOUT allowing the
servo
to crank the cntl rod over center.  Then I had to reduce the 15K
roll-gain
resistor to 9K.  I should have went to 8K as I still get mild wing-rock
some times.

You will love the S-Tec autopilot!

Tim
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