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Next we can put two balsa-battens
and the fuselage-bottom. The battens ensure the space needed for ball pivots movement.
We check the quality of glued joint. It is necessary to fix the butterfly to the fuselage before
the test flying. The best way is to stick the butterfly with epoxide glue.
7
if it is obvious that the gap is bigger than 2mm it is not necessary to put in those balsa-battens
BackfireF5F
Picture 7: Glueing V-tail servos
7
with 1mm thickness between ball pivots on the servo
Page 10
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