Kavan STRIKE DLG Instruction Manual page 5

ps of the same iron-on film you used for the covering. Remember to apply
the tape with the control surface deflected to the limit (refer to Det. D-D)
in order to get free movement of the particular control surface.
Fuselage and Tail
◊ Using a very sharp pointed modeller's knife, cut the covering film over the
opening for the tailplane pylon in the horizontal stabilizer, over slots for the
Kevlar® thread in the fin and over control horn slots in the elevator and rudder.
◊ Use a fine needle file to trim the pre-cut slots for the horizontal tailplane
pylon, fin and elevator and rudder push rod exits in the carbon tube tail
boom. Use a fine round needle file to make a groove for the rudder push
rod tube in the tailplane pylon F22. (Fig. 27)
◊ Insert the tailplane pylon F22 into the F1 tail boom - no glue yet. Insert
the fin and rudder assembly into the notch in the end of the tail boom and
tack glue it to the tail boom. Bind the fin to the tail boom with a Kevlar®
thread threaded through the slots in the fin. (Fig. 28)
◊ Slide the horizontal stabilizer on the F22 tailplane pylon; align it square
to the fin and to the longitudinal axis of the tail boom and tack glue it to
the pylon. Double check the correct alignment; once satisfied, apply a ge-
nerous amount of cyano along all the joints and onto the Kevlar® thread.
Insert the elevator and rudder push rod outer tubes into the tail boom.
Secure them with a piece of polyurethane foam soaked with epoxy that
you will work into the centre of the tail boom with a thin stick. This is great
for a precise, slope free elevator and rudder control. (Fig. 29)
◊ The F12 servo mount supplied in the kit has been tailored for the re-
commended KAVAN GO-6MG servos. Whatever type of servos you are
going to use, always check if the openings aren't in the need of trimming
first. We recommend soaking the edges of the servo openings with cyano.
Once satisfied, glue the F12 servo mount in place (the servos are to be fit-
ted in the up side down position). (Fig. 30)
◊ Thread the protruding ends of the elevator and rudder push rod outer tu-
bes through the holes in the F6 former so the tubes lead directly to the
horns of servos in the F12 servo mount. Insert the tail boom into the fuse-
lage - no glue yet. (Fig. 31)
◊ Attach the wing to the fuselage and secure with the M4 bolt. Looking from
above, front and rear check the fuselage and tail boom are straight and the
wing dihedral makes a nice symmetrical "V" in relation to the horizontal
stabilizer. Once satisfied cut the push rod outer tubes to the correct length
and epoxy thoroughly the tail boom into the fuselage. Double check the
correct alignment before the glue sets.
◊ Solder the M2 brass threaded couplers on one end of the 0.8 mm piano
wire push rods. Screw the ball links on and slide the push rods into the
respective outer tubes. Secure the ball links to both two servo arms with
the M1.6 screws supplied in the kit. Insert the fibreglass control horns into
the slots in the elevator and rudder - do not glue yet. Set the servos to the
neutral with your radio on; attach the servo arms square to the side of the
servo case. Set the elevator and rudder flush with the horizontal stabilizer
resp. fin. Mark the correct length of the push rods and bend them to the
right angle (you can make a "Z-bend", but the simple L-bend usually works
well enough). Insert the L-bends into the holes in control horns and cyano
the horns into the elevator and rudder still set in the neutral position. Fina-
lly, secure the servos with drops oh hot melt glue, silicone or MS polymer
glue in the servo tray. (Fig 29+32)
◊ Epoxy the pair of F15 magnets into the F11 hatch and fuselage. Double
check their polarity - they have to cling to each other! For easy removal,
apply a strip of folded sticky tape to the rear edge of the hatch. (Fig. 4+5)
◊ Install your receiver into the fuselage under the wing; the receiver battery
will go into the nose.
Wing
◊ Epoxy thoroughly the carbon discus launch pin into the left (for a right-h-
anded pilot) or right (for a left-handed pilot) wing tip. (Fig. 33)
◊ Remove the covering film over the openings for the aileron servo arms
in W52 top cover plates and in the W53 bottom cover plate. Install aile-
ron servos with arms fitted (set them to the neutral with your radio on),
aileron horns and linkage in the same manner you did with rudder and
elevator. Finally, using a piece of sticky or iron-on film, seal the opening in
the W53 bottom cover plates. (Fig. 34+35)
Tow Hook
◊ Install the tow hook into one of the pre-drilled holes in the F7 tow hook
plate; it should be positioned about 5 mm in front of the centre of gravity.
(Fig. 36)
Recommended Control Surface Throw, CG Position
◊ CG Position: 74-78 mm
◊ Rudder: ±25 mm
◊ Elevator: ±10 mm
◊ Ailerons: 10 mm up, 6 mm down
◊ Ailerons as the airbrake: 40° down
◊ Discus launch configuration: rudder -1 mm against the direction of the
launch (right-handed - rudder 1 mm right), elevator 1 mm down.
(Note: Use this configuration for the climbing phase of the discus launch
only; and only after the model has been trimmed out properly and you've
made yourself familiar with the controls.)
◊ Airbrake->elevator mix: elevator 2 mm down at full airbrake.
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