Nexa MESSERSCHMITT Me-109 User manual

45 Class
70 Class
2-cycle engine
4-cycle engine
INSTRUCTION MANUAL / Montageanleitung
SPECIFICATIONS
Wingspan 1560mm
Length 1120mm
Electric Motor G-46 HP Motor
Glow Engine 7.5cc 2-T / 8.5cc 4-T
Radio 7 Channel / 7 Servos
TECHNISCHE DATEN
Spannweiter 1560mm
Lange 1120mm
Elektroantrieb G-46 HP Motor
Verbrennerantrieb 7.5cc 2-T / 8.5cc 4-T
Fernsteuerung 7 Kanal / 7 Servos
WARNING! This radio controlled model is NOT a toy. If modified or flown carelessly it could go out of controll and
cause serious human injury or property damage. Before flying your airplane, ensure the air field is spacious enough.
Always fly it outdoors in safe areas and seek professional advice if you are unexperienced.
ACHTUNG! Dieses ferngesteuerte Modell ist KEIN Spielzeug! Es ist für fortgeschrittene Modellflugpiloten bestimmt,
die ausreichende Erfahrung im Umgang mit derartigen Modellen besitzen Bei unsachgemäßer Verwendung kann
hoher Personen- und/oder Sachschaden entstehen. Fragen Sie in einem Modellbauverein in Ihrer Nähe um
professionelle Unterstützung, wenn Sie Hilfe im Bau und Betrieb benötigen. Der Zusammenbau dieses Modells ist
durch die vielen Abbildungen selbsterklärend und ist für fortgeschrittene, erfahrene Modellbauer bestimmt.
Me-109

1.5mm
AB
!
CA
L/R
Assemble left and right
sides the same way.
X
Drill holes using the stated
size of drill
(in this case 1.5 mm Ø)
Use epoxy glue
Take particular care here Hatched-in areas:
remove covering
film carefully
Not included.
These parts must be
purchased separately
Check during assembly that these
parts move freely, without binding
Apply cyano glue
The pre-covered film on ARF kit may wrinkle due to variations
of temperature. Smooth out as explained right.
* Use an iron or heat gun. Start as low setting. Increase the
setting if necsessary. If it is too high, you may damage the
film Low setting
SILICON
EPOXY A
EPOXY B
CA
GLUE
Epoxy Glue ( 5 minute type)
Silicon sealer
Cyanoacrylate
Glue
Minimum 7 channel radio
for airplane with 5 standard servos
and two mini servos.
.60 ~.70 - 4 cycle
10.5x6 for .40 - 2 cycle engine
11x6 for .46 - 2 cycle engine
12x6 for .60 - 4 cycle engine
12x7 for .70 - 4 cycle engine
13x7 - 13x8 for Electric Motor
Silicone tube
Extension for aileron
servo, retract servo.
.46 ~ .50 - 2 cycle
REQUIRED FOR OPERATION (Purchase separately)
Epoxy Glue (30 minute type)
TOLLS REQUIRED
Hobby knife
Needle nose Pliers
Phillip screw driver
Awl
Scissors
Wire Cutters
(Purchase separately)
Hex Wrench
.........................................................
.........................................................
.........................................................
.........................................................
.........................................................
.........................................................
.........................................................
.........................................................
.........................................................
.........................................................
.........................................................
Sander
Masking tape - Straight Edged Ruler - Pen or pencil - Rubbing alcohol - Drill and Assorted Drill Bits
Read through the manual before you begin, so you will have an overall idea of what to do.
Symbols used throughout this instruction manual, comprise:
(Purchase separately)
.Motor control x1 .Aileron x2
.Flapx2 .Elevator x1 .Rudder x1
G-46 HP
Brushless Motor
or equivalent.
Motor Control
Li-Po Battery, 5 cell, 4500mAh
CONVERSION TABLE
1.0mm = 3/64”
1.5mm = 1/16”
2.0mm = 5/64”
2.5mm = 3/32”
3.0mm = 1/8”
4.0mm = 5/32”
5.0mm = 13/64”
6.0mm = 15/64”
10mm = 13/32”
12mm = 15/32”
15mm = 19/32”
20mm = 51/64”
25mm = 1”
30mm = 1-3/16”
45mm = 1-51/64”

Read through the manual before you begin, so you will have an overall idea of what to do.
This model is highly pre-fabricated and can be built in a very short time. However, the work which you
have to carry out is important and must be done carefully.
The model will only be strong and fly well if you complete your tasks competently - so please work
slowly, accurately and check every joints, maybe apply more glue to be safe.
SAFETY NOTES BEFORE ASSEMBLING
IMPORTANT: Please do not clean your model with pure alcohol or strong solvents, only use liquid soap with water or use glass
cleaner to clean on surface of your model to keep the colour not fade.

2- Joining the wing
Draw the center line
on the wing joiner
- Trial fit each part before gluing . Be certain that there are no gaps.
If the parts will join, but with a gaps, sand or trim the parts a little at
a time until the parts meet exactly with no gaps.
- Check for the correct dihedral angle
Before gluing:
- Draw the center line on the wing joiner.
1-Aileron extension cord installation
WING BOTTOM-VIEW
Using the thread (pre-installed at factory)
to slide the aileron extension cord into the
wing half.
Using the adhesive tape to secure the one
end of the aileron extension cord in place.
X
30cm Extension cord
WING TOP-VIEW
Coat one half of the dihedral brace with
epoxy up to the center line.
Adhesive tape
Thread (pre-installed
at factory)
AB
AB
30 min. Epoxy
Install the epoxy-coated side of
the dihedral brace into the wing
joiner cavity up to the center line.
Step 2:1
Step 2:2
Step 2:3
30 min. Epoxy
Messerschemitt Me-109

AB
Step 3:1
AB
Step 3:2
CA
The wooden dowels must be perpendicular
with the root rib.
you may need to widen the hole a little more so
that pushing the wooden dowel into the fuselage
is not too difficult.
Note:
AB
AB
30 min. Epoxy
Carefully slide the wing halves together, ensuring that they
are accurately aligned.
Firmly press the two halves together, allowing the excess
epoxy to run out.
Note: The two wing halves roots must fit together perfectly.
Clear off the excess epoxy.
IMPORTANT:
Please do not clean off the excess epoxy on the
wing with strong solvent or pure alcohol, only use kerosene to
keep the colour of your model not fade.
Hold the wing halves together with paper
clamp and rubber band.
Rubber band
(not include)
Paper clamp
(not include)
Nylon wing bolt
(included)
WING TOP-VIEW
Messerschemitt Me-109 3- Joining the wing
Step 3:3
Step 3:4

Main landing gear
Gear mount
3x20mm
Nylon gear
strap
2mm
2mm
2mm
3x20mm
Ply gear mount
plate x 2 Gear mount x 2
3x20mm screw
......16
Nylon gear strap
.......4
Square plastic x 2
Insert the main landing gear into
the slot on the gear mount, if
necessary, use sander to widen
the slot to make this easier.
Ply gear
mount flat
Square
plastic
CA
X
Messerschemitt Me-109 4- Fixed gear
5- Aileron & Flap servo and fixed gear installing
Step 4:1 Step 4:2 Step 4:3
Step 4:4 Step 4:5

.....2
.............4
...........2
X
3x20mm
2mm
X
CA
1.5mm
Messerschemitt Me-109 6- Aileron & Flap servo and fixed gear ...
7- Main wheel

2mm
Control horn Alignment
-Switch on the radio (trims centered)
Then mount the ailerons servo horn
In neutral position.
-The servo horn should be
Perpendicular to the servo
YES NO
The Flap and the Flap servo arm in the neutral position when
you install the flap pushrod.
.......2 set
...................2
............2
2mm Connector
2mm Aileron push rod
............2
.....2
Steel clevis Flap push rod 1.2x120mm
............2
Plastic EZ link
............2
CA
Messerschemitt Me-109 8- Control horn and wheel cover
9- Aileron & Flap linkages

Note: Engine thrust on balk head
is already adjust at factory
6mm
A
A
A
F1
B B’
Push left (or right) the magnetic fuel tank hatch
and full it out of the fuselage.
! Align the mark on both engine mount
beams with the mark on the firewall.
Attach the engine mount beams onto the fire-wall so the distance between
of two engine mount beams is “A”,and B=B’ as show.
Secure the engine mount beams onto the fire-wall with litter CA glue.
Using a pencil or felt tipped pen, mark the fire wall where the four
holes are to be drilled.
Mark on the firewall
Remove the engine mount beams and drill a 6mm hole through
the fire-wall at each of the four marks made above.
Mark on the engine
mount beam.
Mark on the engine
mount beam.
F1
A
B B’
Fuselage - Front-view
Messerschemitt Me-109 10- Engine mount

...4
.................4
4x25mm hex bolt
Blind-nut
4mm blind-nut
4x25mm hex bolt
-Reposition the engine on the engine mount beams so the
distance from the prop hub to the fire wall is 122mm.
-Mark the engine mounting plate where the four holes are to be
drilled.
-Remove the engine and drill 3mm hole through the beam at
each of the four marks made above.
-Reposition the engine on the mounting beams , aligning it with
the holes drilled. Insert one 3x25mm hex bolt through each
of the mounting holes. Apply silicon (Blue-Locktile 242) to each
of the 3x25mm hex bolt and firmly secure the engine to the
engine mount using four 3mm nuts.
3mm
121 ~ 123mm
! Engine thrust on bulk-
head is already adjust
at factory
SIDE-VIEW
Messerschemitt Me-109 11- Engine mount Continued

X
To muffler
Filler tube
To engine
Rubber stopper
Checking for leaks - block the vents and blow into the feed.
if in doubt submersing the tank in a blow of water will show
up any problems.
Blow
Water
Carefully install the fuel tank to ensure that they will not
shift during flight (secure the fuel tank in place using foam padding).
Using a aluminum motor mounting plate
as a template, mark the plywood motor
mounting plate where the four holes are
to be drilled.
Remove the aluminum motor mounting
plate and drill a 1/8”(3mm) hole through
the plywood at each of the four marks
marked .
3mm
Step 13:1
Using a wooden motor mounting plate
as a template, mark the fire-wall where
the four holes are to be drilled.
! Align the mark on wooden motor
mounting plate with the mark on
the fire-wall.
F1
Fuselage - Front-view
Messerschemitt Me-109 12- Fuel tank
13- Motor mount
Step 13:2
Step 13:3

5mm
3mm hex bolt / nut...4
Secure the Motor to the wooden
motor mounting plate using the
four 3mm hex bolts.
B=B’
B
121~ 123mm
SIDE-VIEW
B’
Remove the wooden motor mounting
plate and drill a 5mm hole through
the fire-wall at each of the four marks
marked .
Attach the four 5x70mm bolts
and nuts to the fire-wall as shown.
5x70mm bolt.....4
5mm nut..........12
5mm washer...16
CA
CA
LiPo Battery
Battery stand
Battery stand
(3mm plywood)
Messerschemitt Me-109 14- Motor mount Continued
Step 14:1
Step 14:2
Step 14:3
Step 14:4
Step 14:5

Trial fit the vertical stabilizer in place .
Check the alignment of the vertical stabilizer.
AB
When you are satisfied with the alignment,
use a pencil to trace around the right and left
of the stabilizer where it meets the fuselage.
Remove the vertical stabilizer from the fuselage.
Using the sharp hobby knife, carefully cut away the
covering inside the lines which were marked above.
Apply the thin layer of 15. minute epoxy
on the bottom of the slot.
CA
Thin CA glue
Use a small glue faucet, Apply the thin CA glue on
the vertical stabilizer where it contacts the fuselage.
! Securely glue together. If coming off during fly,
you lose control of your air plane.
Be cautious not to cut into the wood, this will
weaken the structure.
Cut away only
the covering
15- Vertical stabilizer installation
Messerschemitt Me-109
Step 15:1
Step 15:2
Step 15:3
Step 15:4
Step 15:5
Step 15:6

Cut away only the
covering both the
top and bottom sides.
Cut away only the
covering both the
top and bottom sides.
Cut away only the
covering both the
left and right sides.
16- Horizontal stabilizer installation
Messerschemitt Me-109
Step 16:1
Step 16:2
Step 16:3
Step 16:4
Step 16:5
When you are satisfied with the alignment,
use a pencil to trace around the right and left
of the stabilizer where the horizontal stabilizer
meet the vertical stabilizer.
Trial fit the horizontal stabilizer in place .
Be cautious not to cut into the wood,
this will weaken the structure.
Be cautious not to cut into the wood,
this will weaken the structure.

When satisfied with the and alignment, hinge the elevator
to the horizontal stabilizer using thin CA glue. Make
sure to apply a thin layer of CA glue to the top and bottom
of both hinges and to inside the hinge slots. Repeat the
previous procedures to hinge the second elevator to the
other side of the horizontal stabilizer.
Control horn
................3
2x20mm screw
..........6
Use a small glue faucet, Apply the thin CA glue on
the horizontal stabilizer where it contacts the vertical
stabilizer (both the top and bottom sides).
Securely glue together. If coming off
during flight, you lose control of your
air plane.
CA
Thin CA glue
Perpendicular
Push the elevator and its hinges into the hinge slots in
the trailing edge of the horizontal stabilizer. There
should be a minimal hinge gap and the end of the elevator
half should not rub against the horizontal stabilizer.
Push the rudder and its hinges into the hinge slots in
the trailing edge of the vertical stabilizer. There
should be a minimal hinge gap and the end of the rudder
should not rub against the vertical stabilizer.
When satisfied with the and alignment, hinge the rudder
to the vertical stabilizer using thin CA glue. Make
sure to apply a thin layer of CA glue to the right and left
of both hinges and to inside the hinge slots.
17- Horizontal stabilizer - Rudder - Elevator
Messerschemitt Me-109
Step 17:1
Step 17:3
CA
Step 17:2
CA
2mm
2mm
Step 17:4

3x12mm screw
BOTTOM VIEW
1.5mm
Rudder servo
Throttle servo
Elevator push rod
Rudder push rod
Throttle pushrod
Elevator servo
NOTE: Place of servos may be change depend of engine
(Four-stoke or two-stroke engine)
................1
....................3
2mm
Connector
Elevator linkage
Rudder linkage
Throttle linkage
.......3
2x950mm rod
Steel clevis
.......3
(1.5 x120mm) rod
...................1
(1.2 x500mm) throttle rod
...................1
2x950mm rod
2x950mm rod
1.5x120mm rod
with “Z” one end.
2x950mm rod
1.2x500mm rod
with “Z” one end.
connector
connector
connector
XX
X
18- Tail wheel
Messerschemitt Me-109
19- Servo and linkages
2x20mm bolt
2.2m collar
3x12mm screw
......1
................2
...............2
......1

3R
3R
4R 1L 2L
Position the tail brace in place and using the pencil
mark the location of the two holes to be drilled.
Remove the tail brace and drill two
2mm hole each side as show.
Position the tail brace again. Secure it in place with
two 3x12mm self tapping screws.
Slide the two plastic cover on to the right and left tail brace as show.
3R and 4R for the right brace
1L and 2L for the left brace
3
3
Slide the two plastic cover in place and
secure them with CA glue.
20- Tail brace
Messerschemitt Me-109
Step 20:1
Step 20:2
Step 20:3
Step 20:4
Step 20:5
Step 20:6
40mm
1
105mm
1
2
2
2
2mm
CA
CA
Thin CA
CA
4
4
4

CA
Sticker Plastic airs coop
plastic air scoop
Cut away only
the covering
Using the plastic air scoop as a template,
trace around the outside edge of the plastic air-
scoop and then remove it.
Using a sharp hobby knife, cut away the covering
inside the lines. Not to cut into the wood.
Apply the plastic air scoop in place and secure them
with CA glue.
76mm
25mm
2.5x10mm screw
Plastic airs coop
Sticker
CA
1.5mm
AB
2~3mm
2.5X10mm screw
.........4
1.5mm
76mm
21- Cowling
Messerschemitt Me-109
22- Air scoop

RUDDER STROKE
ELEVATOR STROKE
AILERON STROKE
81
Sticker
Sticker
Note: Cut out the stickers and apply them in the proper area. Do not peel the backing paper off all at once.
Peel off one corner of the backing and cut off with scissors.
Arrange sticker on model and when satisfied adhere the corner without backing.
Carefully peel back the rest of the backing while at the same time adhering the rest of the sticker.
Try not to make air bubbles, if there are some, carefully puncture sticker (center of bubble) but not model surface with the
tip of the knife or sharp pin and squeeze out the air.
At curves stretch sticker and apply a little heat so that no ceases occur.
Cut off the excess that is produced.
VQA0312
VQA031
Sticker
Sticker
IMPORTANT: Please do not clean your model with pure alcohol, only use liquid soap with water or use glass cleaner to
clean on surface of your model to keep the colour not fade.
Low: 20mm
Low: 8mm / Hi: 12mm
Low: 8mm / Hi: 12mm
Low: 8mm / Hi: 12mm
Low: 8mm / Hi: 12mm
Low: 12mm / Hi: 20mm
Low: 12mm / Hi: 20mm
FLAP STROKE
Note: Measure rudder’s biggest place
IMPORTANT: Flying your model at these throws will provide you with the greatest chance for successful first flights.
If, after you have become accustomed to the way the Me-109 flies, you would like to change the throws to suit your taste
that is fine. However, too much control throw could make the model difficult to control, so remember, “more is not always better”.
Hi: 30mm
23- Sticker
Messerschemitt Me-109
24- Control surface

THE CENTER OF GRAVITY IS LOCATED 87mm BACK
FROM THE LEADING EDGE OF THE WING, AT THE
FUSELAGE. BALANCE A PLANE UPSIDE DOWN WITH
THE FUEL TANK EMPTY.
DO NOT try to fly an out-of-balance model !
1- Mount the wing to the fuselage. Using a couple of pieces of masking tape, place them on the top side of the wing (87mm) back
from the leading edge, at the fuselage sides.
2- Lift the airplane. Place your fingers on the masking tape and carefully lift the plane.
3- If the nose of the plane falls, the plane is heavy nose. To correct this, move the battery pack further back in the fuselage.
If the tail of plane falls, the plane is tail heavy. To correct this, move the battery forward or if this is not possible, stick weight onto
the firewall.
When balanced correctly, the airplane should level or slightly nose down when you lift it up with your fingers.
LATERAL BALANCE:
After you have balanced a plane on the CG, you should laterally balance it. Doing this will help the airplane track straighter.
1- Turn the airplane upside down. Attach one loop of heavy string to the engine crankshaft and one to the tail wheel wire.
With the wing level, carefully lift the airplane by the string. This may require two people to make easier.
2- If one side of the wing fall, that side is heavier than the opposite. Add small amounts of lead weight to the bottom side
of the lighter wing half’s wing tip. Follow this procedure until the wing stays level when you lift the airplane.
87mm
25- Balance
Messerschemitt Me-109