Flyzone Micro Ultrix Biplane User Manual page 8

If you have an airplane that follows either path (A)
or (B), cut the sides of the elevators as shown in the
photo above.
If your airplane follows path (A), bend the elevator
tabs up.
If your airplane follows path (B), bend the elevator
tabs down.
❏
3. Repeat step 2 until your airplane follows path C.
RUDDER TRIMMING
D = Airplane turns left.
E = Airplane turns right.
If your airplane turns to the right (E) during glide
tests, bend the rudder to the left.
If your airplane turns to the left (D) during glide
tests, bend the rudder to the right.
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