Translations:KAVAN Dingo A3 glider kit 796mm - Instruction manual/22/en

From KAVAN RC Wiki

Glue the rear tailplane seat (balsa 3 mm – 9×12 mm) 39 to the fuselage. Bevel it slightly to match the horizontal tailplane bottom side. Insert and glue the main ballast 32 into the nose opening. Glue the side covers 33 in place matching the outline of the fuselage. Glue the cross-brace 38 (balsa 6×8×20 mm) between the tail boom sticks 23. Glue the skid 40 in place.