TRI-40 II GP/EP
No.8626
MTH HOBBY 2015
SPECIFICATIONS
Wing Span: 1600mm
Wing Area: 45 dm²
Length: 1240mm
Total Weight: 1900g (with battery 2600mAh)
Radio: 4 ~ 6(if use flap) channels
Motor: 850KV brushless
Thrust: 2 KGS and up
Battery: Li-Po 4-cell 2600mAh and up
ESC: 60A
Engine: 10cc 2-stroke(Gas)
.46 2-stroke
.60 4-stroke
Propeller for EP: 12 x 8”
Propeller for GP: 12 x 6”(Gas)
Propeller for GP: 11 x 6”
Bend the plastic hinge so it can move
freely.
Sharp-nose pliers
Epoxy
Instant glue
Ruler
Marker and transparent tape
Side-cut pliers
4 or up channel radio
Receiver
Mini servos (9g) x 4 pieces
25 Amp or up brushless ESC x 1 piece
30mm Spinner x 1 piece
8x4” propeller x 1 piece
Aluminum nut x 1 piece
Y-harness x 1 piece
30cm Extension x 1 piece
1.5mm hex wrench
1mm/2mm driller
Soldering Iron
Shrinking tube
Z-bender
Sharp Hobby Knife
Place the following accessories on the
working table:
Servo arm/adjustable rod stand/M3x4 mm
hex screw/plastic nut/clip/2mm threaded
rod/silicone tube/M2x15mm screws/2mm
nut/plastic plates
Drill 2mm hole on the servo arm. Install the
adjustable rod stand on the servo arm and
secure with M3x4mm hex screw and plastic
nut. Don't screw too tight, it has to move
freely. Thread clip onto the 2.0mm rod.
Insert one piece of silicone tube to the rod.
Assemble M2x15mm screw, 2mm nut and
two pieces of plastic plates for completing
control horn set.
Recommended radio and equipment (Not included in kit):
Tools and suppliers needed (not included in kit):
Use epoxy to secure the hinges into the
aileron and main wing.
Use epoxy to secure the hinges into the
rudder and vertical.
Use epoxy to secure the hinges into the
elevator and horizontal.
Use iron to trim the edges of the servo tray
ad plug exit.
Use hobby knife to remove the covering
over the hole for servo tray and plug exit
on the main wing.
Remove the covering over the slot on the
servo planking.
Cross wrench #0/#1
Rubber band
Heat gun
UHU glue
Driller 2mm/3mm/4mm
Connect the extension with servo plug.
Secure the servo tray on the main wing.
Use sharp-nose plier to pull the cable out
of the plug hole.
Drop some instant glue into the screw
holes for the servo tray for reinforcement.
When the glue is dried enough, use the
screws come with the servo to secure the
servo in place.
Use instant glue the blocks in place. (if use
flap, please refer to the bottom page of
the manual).
Try to fit the servos on the servo tray with
two blocks to hole in place. If use flap,
please equip 2 servos.
Try to fit the rod, find the location for
control horn on the aileron and mark the
location for Z-bend. (If use flap, please
repeat the same steps for the second
servo.)
Apply transparent tape to hold the main
wing until the glue is dried enough.
Use epoxy to secure one side of wing
joiner one main wing. When assemble the
main wing to the fuselage; slide another
end of wing joiner to main wing and
secure the main wing. (If want to reinforce
the strength of the main wing; you can use
epoxy to secure the two wing halves
together, but in this way, the two wing
halves cannot be separated.)
Insert the washers to the wing blots
M4x35mm and insert the bolt to its hole
on the main wing. Slide a piece of 5mm
silicone tube for preventing missing.
Drill 2mm hole on the control horn. Thread
in M2x15mm screw to fix the plate.
Connect the rod onto the control horn.
Use Z-bender to make a Z on the marked
location.
If want to use fly; please refer to the
attachment #A(Page 14) and saw the flap
off. Keep the space around 1mm between
the flap and aileron.
According to the marking on the
attachment A, use hobby knife to open the
hinge holes on the rear edge of main wing
and aileron.
Remover the covering over the pre-served
holes on the horizontal.
Remove the covering over the exits for
rods on the tail.
Remove the covering over the main gear
slot and cooling holes.
Use hobby knife to remove the covering
over the slots for the vertical ad horizontal.
Try to fit the vertical and horizontal onto
the fuselage. Don't spread any glue right
now.
Make sure the length of A must be equal
to B and the angle between horizontal and
vertical must be 90 degree.
Use glue to secure the F32 on the top of
F33.
If intended to use electric; please take F29
– F35 out of the hardware bag for
assembling the motor mount.
Use epoxy to secure the vertical and
horizontal to the fuselage.
Remove the covering inside the marking
on the fuselage. Be careful not to cut into
the wood, as doing so will weaken the
construction.
Use marker to mark the line on vertical,
horizontal and fuselage for where they
contact with each other for two sides.
Remove the horizontal and vertical out of
the fuselage. Use hobby knife to remove
the covering inside the marking area. Be
careful not to cut into the wood, as doing
so will weaken the construction. .
When the glue is dried enough; install the
motor mount inside the head of fuselage,
use instant glue to secure the motor
mount in place. Place F35 inside the motor
mount and use epoxy to secure it in place.
Spread some epoxy on two sides of motor
mount.
When the glue is dried enough; spread
some epoxy on F34 and secure F34 inside
the motor mount; spread some epoxy on
the corners of F34 for reinforcement.
Use instant glue to secure F29-F33 in place
with SF logo facing top.
Use 2.6 x 8 mm tapping screws and gear
plates to secure the main gear in main
gear slot.
Assemble wheel with collars on the main
gear and secure with M3 x4mm hex screw.
Install nose gear control horn on the top of
nose gear; secure with M3x4mm hex
screw.
Slide in shrinking tube on the conjunction.
Use heat gun to make the tube shrinking
for reinforcement.
Please refer to the drawing and assemble
the rods for the elevator and rudder. Use
UHU glue to secure the conjunctions.
B) Install the receiver battery and switch.
FOR GP ONLY:
A) Take one piece of M2 x 450mm rod out
of the hardware bag and insert
through the pre-served holes inside the
fuselage. Thread the clevis on the
end of rod and slide in one piece of
silicone tube.
Take on piece of M2 x 450mm rod out of
the hardware bag; screw in clevis on one
end; slide in a small piece of silicon tube,
pull the rod through the fuselage, and
screw in clevis on another end for
connecting with nose gear control horn.
Install nose gear assembly into the nose
gear mount, place a collar on top of it and
secure with M3x4mm hex screw.
(Page 14)
FOR EP ONLY:
A) Place the motor mount on the working
table with the F32 facing top. Place the
motor plate on the top of the motor
mount, use marker to mark the position
for the screws.
Drop some instant glue around the screws
for servo mount.
C) There is circle marking on the firewall.
Use hobby knife to cut open the hole
according to the marking.
B) Remove the motor plane. Drill 3mm
holes on the marked positions. Drop some
instant glue around the screw holes. Use
hobby knife to remove the center circle.
D) Use epoxy to secure the motor mount
on the firewall.
E) Pull the cable of the ESC out of the side
hole of the motor mount and connect
with the motor.
F) Secure the motor on the motor mount
with the screws come with motor.
H) Assemble propeller and spinner.
G) Apply a piece of hook and loop strap
around the battery tray. Connect the RSC
with battery for checking the motor
rotation. The rotation must be anticlockwise.
I) Secure the servos onto the servo tray
and connect with the rods. Use sharp-nose
plier to remove the extra rod.
FOR GP ONLY:
A) There are pre-marked screw holes on
the firewall. Drill 4mm screw holes on
these markings. Use M4x20mm screws,
4mm washers and M4 nuts to secure the
engine mount on the firewall.
Please connect servo with Y-harness. (The
servo for flap also has to connect the Yharness).
D) Secure the servos onto the servo tray
and connect with rods. Use sharp-nose
pliers to remove the extra rod.
C) Assemble propeller and spinner onto
the engine.
B) Use M4x25mm screws and M4 nuts to
secure the engine onto the engine mount.
Connect the throttle rod to the carburetor.
E) Please take the picture as a reference
and assemble the fuel tank combination. If
equip with gas engine, please select the
yellow fueling tube.
F) Connect the feed-line tubing and ventline tubing to the fuel tank. Please
purchase correct tubing for the engine.
Apply a piece of adhesive Velco tape on
the bottom of fuel tank and another Velco
tape on the battery tray.
G) Install the fuel tank into the fuselage
and use Hook and Loop strap to secure
the fuel tank in place. Connect the tube to
engine.
C.G. The recommended Center of Gravity
location is 95mm back from the leading edge
against the fuselage.
15mm
15mm
20mm
20mm
22mm
22mm
95mm
Tack off
o
30
Landding
o
45 or more
H) Important: use wire wrap to secure
both ends after assembling the clunk and
fuel filter onto the fuel tube to prevent
loose.
I) 1. Use towel to clean all the surface.
2. Spray some water on the location for
applying sticker. Apply the sticker on
the location.
3. Use towel to wipe the sticker for
pushing out the bubbles inside the
sticker.
#8626 TRI-40 II
GP
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