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of spruce sticks, whilst the winglet spars are made of
balsa sticks.
• Glue the wing tips; bevel the ends of the main spar
sticks and glue them to the wing tips. (Fig. 36+37)
• Glue 2.5 mm balsa triangular wing gussets. (Fig.
38+39)
• Fine sand the entire wing outer panels.
• Cut off the outer winglets between the end ribs; bevel
the end ribs using the supplied 8° dihedral jig. (Fig. 40)
• Epoxy the wing panels and winglets together. (Fig. 41)
• Bevel the root ribs of the wing outer panels using the
supplied 7° dihedral jig. Trial fit the carbon wing joiner
into the respective bays; there should be a tight fit, no
play. If there is a significant play, put some epoxy to
appropriate area of the joiner and sand as necessary
once the glue hardens. (Fig. 42+43)
• Glue the 3 mm liteply root ribs with 3 mm beech
alignment pins. (Fig. 44+45)
• Prepare everything for the airbrake servo installation;
glue the fibreglass plate to the lower surface of the air-
brake and the liteply magnet holder to the rear of the
servo bay. (Fig. 46)
• The spoiler servo is to be installed using a balsa spa-
cer (not supplied in the kit) - depending on the di-
mensions of your servo. The spacer + servo must not
be higher than the wing ribs; it may not obstruct the
spoiler when closed (do not forget to take in account
the double sided foam tape you will use to secure the
servo!). Apply epoxy or medium cyano to the servo
spacer (if used) and the entire balsa lower sheeting
of the servo bay in order to be sure the double sided
foam tape will stick.
Covering
• Thoroughly sand the surface of all parts with No. 360-
400 sandpaper and carefully vacuum all the dust (the
iron-on film does not stick well to a dusty surface; the
dust also contains hard grains released off the sandpa-
per capable to ruin the smooth coating of your sealing
iron quickly).
• Use as light iron-on film as you can get (transparent
Oracover, Oralite etc. – not supplied in the kit). Follow
the instruction manual supplied with the covering film
of your choice please.
Hinging the Control Surfaces
Use strips of a high quality hinging tape (available in
hobby shops) or strips of the same iron-on film you used
for the covering. Remember to apply the tape with the
control surface deflected to the limit in order to get free
movement of the particular control surface.
Tail Surfaces and Tail Boom Installation
• Attach the wing centre section to the fuselage and
the horizontal tailplane to the tailplane pylon; secu-
re them with nylon bolts. Insert the tail boom with
attached horizontal tailplane into the fuselage (no
glue yet). Check again that the fuselage is straight;
align the wing and the tailplane with their trailing ed-
ges parallel. Once satisfied, epoxy the tail boom and
the tailplane pylon in place. Before the glue hardens
double check the correct alignment of the wing, fuse-
lage and tailplane.
• Carefully cut the end of the tail boom in order to open
the notch for the fin (trim as necessary – beware of
cracking the tube). Use medium CA to glue the fin into
the tail boom; be sure it is square to the horizontal
tailplane.
Pushrod Installation (Fig. 47D)
• Tack glue the pushrod tubes to the 1.5 mm balsa
pushrod tube holder.
• Tack thick cyano to the balsa and insert the pushrod
tubes into the carbon fuselage tube (with a little help
of pushrod strings).
• Insert the pushrod strings into the respective tubes
from the tail end.
Servo Installation
Rudder and Elevator Servos Installation (Fig. 48)
• Make a „Z" bend on the end of the pushrod and fit it
to the servo horn.
• Alternatively you can use a closed loop of a Kevlar thread
(not supplied in the kit) to hook the rudder – it might save
some weight. In that case you will need to install just one
pushrod for the elevator.
Spoiler Servo Installation (Fig. 49)
• The spoiler servo is to be installed using a balsa spacer
(not supplied in the kit). The thickness of the spacer
depends on the dimensions of your servo. The spacer
+ servo must not be higher than the wing ribs (in may
not obstruct the spoiler when closed).
• Glue the fibreglass plate to the spoiler.
• Glue the magnets to the spoiler and wing using the
supplied liteply holder.
• Please check the polarity of magnets first – they must
attract each other.
Pushrods and Towhook (Fig. 50)
• The pushrod tubes are to be located over the liteply
plate.
• Thread them through the holes in the former next to
servos.
• Install the towhook to the pre-drilled holes.
Wing Root Rib (Fig. 51)
• Glue the magnets using 5min epoxy.
Pushrod Installation – The Tail End (Fig. 52)
• Trial fit the rudder and elevator horns (no glue yet),
bend the ends of pushrod strings to the „L" shape and
thread them through the hole in the horn. Once sa-
tisfied, cyano the horns into the rudder and elevator.
• Please note the servo arms have to be square to the
pushrods in the neutral.
• Glue the end of the rudder pushrod tube to the fuselage.
• The end of the elevator pushrod tube remains free, no
glue here.
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