THUNDER TIGER sukhoi 31 Assembly Manual Download Page 3

WING

1.Carefully and slowly insert the main wing into the
fuselage then center it in place.  

2. Glue the CFK rods on Aileron, Rudder and Elevator
as indicated.

3. Install and center the horizontal tail in place, make
sure the horizontal tail is perpendicular to the vertical
fin and parallel with the main wing. Next CA the main
wing and horizontal tail firmly in place.

4. Install  four  CA  hinges  on  the  aileron  as  shown,
carefully use the sharp hobby knife to cut the slots on
aileron and trailing edge of wing for the hinges.  

5. Attach the aileron to the trailing edge of main wing
then  apply  CA  glue  to  all  hinges  and  make  sure
they  are  jointed  well.  Do  the  same  procedure  on 
the  other  aileron.

6. Install four CA hinges on the rudder, use the same
way  as  you  did on aileron.  Next glue the rudder on
the vertical fin.

4

TAIL

7. Glue the FRP control horn and elevator reinforced
plates   together   as   shown.     Make  sure   the  two
rein forced  pieces are glued properly at each side of
elevator so the control horn could be installed
perpendicularly at left.

8. Do  the  same  procedure  as elevator  control horn 
to  install  the rudder  control  horn as shown at  right.

9. Do the same procedure on both aileron control horns.

10. Cut  a slot  at  the bottom rear fuselage, install tail
skid in place with CA glue.

11. Drill  5/64”(2mm)  pilot   holes   for   mounting  the
elevator  servo,  next connect   a  12”  extension  wire
before  you  secure  the  servo  in  place. Do the same
way on rudder servo.

12. Locate the pushrod and clevis, thread the clevis 
at least 6mm then snap onto the FRP control horn, 
make  sure  servo  is  in  neutral  position  then make 
Z-bend  and  cut  the  excess  pushrod.  Insert  the 
Z-bend end to the servo horn and secure the servo  
horn  on  the servo as shown.  Do the same way  to  
the  other  pushrod. 

5

Rudder

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