Nexa Royal Air Force Supermarine Spitfire Instruction Manual
Nexa Royal Air Force Supermarine Spitfire offers an unparalleled flight experience for seasoned model aircraft enthusiasts. Crafted from premium balsa and plywood and expertly engineered, this model boasts an impressive wingspan of 1540mm and a length of 1230mm. Its robust construction ensures durability and resistance to wear, making it an ideal choice for experienced pilots seeking precise control and breathtaking performance.
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Radio control model / Flugmodel
ROYAL AIR FORCE
ALL BALSA, PLYWOOD CONSTRUCTION AND ALMOST READY TO FLY
Instruction manual / Montageanleitung
SPECIFICATIONS
Wingspan:......................................15
40 mm
Length:...........................................1
2 30mm
Electric Motor:.....................See next pager
Glow Engine:.................... .
50 2-T / .70 4-T
RTF Weight: 3.
9 Kg (will vary with equipment use)
Radio:....................
6 Channel s / 6-7 Servos
Function: Ailerons-Elevator-Rudder-Throttle
Flaps- Retractable Landing Gear.
TECHNISCHE DATEN
Spannweite:...................................15
40 mm
Lange:............................................1
2 30mm
Elektroantrieb.............(siehe nächste Seite)
Verbrennerantrieb:...............7.45cc - 11.5cc
Fluggewicht:.......................................3.
9 Kg
Fernsteuerung..........
6 Kanal / 6-7 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 Unterstätzung, 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.
REQUIRED FOR OPERATION (Purchase separately)
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
Extension cord for aileron servos: 50cm(x2)
Extension cord for flap servos: 50cm(x4)
Extension cord for retract servos: 30cm(x2)
Extension cord for Rx battery pack: 20cm(x1)
Standard Mini
Minimum 6 channel s radio
Elevator : 1 standard servo
Rudder : 1 standard servo
Aileron : 2 standard servo
.46 ~ .50 - 2 cycle
Flaps : 2 mi ni servo
Throttle : 1 mini servo (for glow engine only)
Silicone tube
GLUE (Purchase separately)
CA
SILICON
Silicon sealer
.60 ~.70 - 4 cycle
Cyanoacrylate Glue (thin type)
700-800W Brushless Motor
5 cell 4500mAh LiPo battery
EPOXY A
EPOXY B
TOLLS REQUIRED
Hobby knife
(Purchase separately)
Phillip screw driver
Hex Wrench
Awl
Needle nose Pliers
Scissors
Wire Cutters
Sander
.........................................................
.........................................................
.........................................................
.........................................................
Masking tape - Straight Edged Ruler - Pen or pencil - Drill and Assorted Drill Bits
Epoxy Glue
(30 minute type)
If exposed to direct sunlight and/or heat, wrinkels can appear. Storing the model in a cool place will let the wrinkles disappear. Otherwise, remove wrinkles in covering film with a hair dryer, starting with low temperature. You can fix the corners by using a hot iron.
Bei Sonneneinstrahlung und/oder Wärme kann die Folie erschlaffen bzw. Falten entstehen. Verwenden Sie ein Warumluftgebläse (Haartrockner) um evtl. Falten aus der Folie zu bekommen. Die Kanten können Sie mit einem Bügeleisen behandeln. Nicht zuviel Hitze anwenden !
Low seting
Read through the manual before you begin, so you will have an overall idea of what to do.
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”
2
INSTRUCTION MANUAL / SPITFIRE Engine installation
Push left (or right) the magnetic fuel tank hatch and full it out of the fuselage.
A
Litter thin CA
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(1B))
! Align the mark on both engine mount
beams with the mark on the fuselage
B
B’
6mm
Carefully remove the engine mount beams and drill a 6mm hole through the fire-wall at each of the four marks made above (1C)
Insert the blind-nut onto each of the four holes make above .
.
Reposition the engine mount beams on to the fire-wall
and secure them with four 4x25mm screw .
4x25mm screw - washer
...................4
Blind-nut
....................4
3
INSTRUCTION MANUAL / SPITFIRE Engine installation
Position the engine to the engine mounts so the distance from the prop hub to the fire-wall is 122 mm .
Mark the engine mounting plate where the four holes are to be drilled .
C= 122 mm c
3mm
Remove the engine and drill a 3mm holes through the beam at each of the four marks made above (8C)
Marking sure that you drill the hole perpendicular to the beam of the engine mount.
Reposition the engine on the engine mount beams, aligning it with the holes. Secure the engine to the engine mount using four
3x25mm screws .
Note: Apply Silicon sealer to each of the
3x25mm screw and nut.
3x25mm screw
.......4
3mm Washer
.......4
3mm Nut
.......4
4
INSTRUCTION MANUAL / SPITFIRE Fuel tank
X Zip tie
Rubber stopper
To muffler
Filler tube
3x35mm screw
To engine
X
Water
Blow
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.
! Do not secure the tank into place permanently until after balancing the airplane. You may need to remove the tank.
Electric motor installation
Using a aluminum motor mounting plate
as a template, mark the plywood motor
mounting plate where the four holes are
to be drilled.
Using a wooden motor mounting plate as a
template, mark the fire-wall where the four
holes are to be drilled.
3mm
Remove the aluminum motor mounting
plate and drill a 1/8”(3mm) hole through
the plywood at each of the four marks
marked .
! Align the mark on wooden motor
mounting plate with the mark on
the fire-wall.
5
INSTRUCTION MANUAL / SPITFIRE Electric motor installation
5mm
Remove the wooden motor mounting
plate and drill a 5mm hole through
the fire-wall at each of the four marks
marked .
3mm bolt / nut...4
Secure the Motor to the wooden motor mounting plate using the four 3mm bolts.
C= 122 mm c
6
Attach the four 5x 8 0mm bolts and nuts to the fire-wall as shown.
X
Velcro
5x 8 0mm bolt.....4
5mm nut..........12
5mm washer...16
INSTRUCTION MANUAL / SPITFIRE Cowling installation
Before installing the cowl
1- Drill a 3mm hole on the fire-wallwhere the pushrod tube exits.
2- Slide the pushrod tube into the hole.
3- Slide the wire, straight end first, into the pushrod tube.
4- Insert the “Z” bend into the hole on the throttle lever of the engine.
Note: it maybe easier to temporarily remove the throttle lever from
the carburetor.
2.5x10mm screw
.........4
Trim the cowling so it will match your engine.
2mm
7
INSTRUCTION MANUAL / SPITFIRE Wing: Servo installation
Connector
...2
6mm dia. dowel
(for one wing half only ) X
CA
Pull out servo extension cord with string.
X
Adhesive tape
X
L/R
Assemble left and right wings the same way.
Plastic control horn
............2
2x20mm screw
..............4
Plastic control horn
............2 set
BOTTOM VIEW
1-Depending on the position of the linkage, determine the location of aileron
control horn.
The horn holes must be perfectly aligned with the axis of articulation.
2-Mark the position of the “foot” of the horn on the aileron. Then, with
the drill make the two holes.
3-Install the aileron control horn as shown.
Control horn Alignment
Thin CA
The rectangular hole on the bottom of the flap is pre-cut at factory .
Cut away only the covering.
2mm
BOTTOM VIEW
8
INSTRUCTION MANUAL / SPITFIRE Wing: Linkages
50
L/R
Assemble left and right wings the same way.
Flap servo
Connector
................2
EZ link
..............2
Kwik-link
..............2
2x175mm Aileron rod
....2
2x120mm flap rod
....2
-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
9
NO
INSTRUCTION MANUAL / SPITFIRE Wing: Gear door
ON
OFF
GEAR
SWITCH
CA
Attach the plastic gear door to the
plywood gear door .
10
INSTRUCTION MANUAL / SPITFIRE Wing: Gear door
Slide the wooden gear door
mounts to the strut.
Attach the gear door to the wooden gear door mounts .
CA
S ecure it in place using CA glue.
Do not glue the wooden gear door mounts to the strut at this time.
ON
OFF
GEAR
SWITCH
Connect the electric retract with the radio to check the position of the gear door when the electric retract in retracted and expanded position.
Move the gear door (with gear door mounts) to up or down, when satisfied, secure the wooden gear door mount in place using CA glue.
CA
Sharpen this area to ensure that the gear door mount does not touch the plastic part of the E-retract.
11
Important: When you “on” the retract switch, if the retract gear does not retracted completely, use your finger to push the retract gear to the completely retrated position, then “off” the retract switch, it will extend.
Use the hobby knife to remove the place where the retract gear is entangled or sand the area on the wooden gear door mount as show.
INSTRUCTION MANUAL / SPITFIRE Wing: Air scoop - Gun
85mm
55mm
CA
L/R
Cut away only the covering
CA
12
L/R
INSTRUCTION MANUAL / SPITFIRE
TOP-VIEW
Joining the wing halves
Before gluing:
- 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
82mm
A B
30 min.Epoxy
A B
30 min.Epoxy
A B
Draw the center line on the wing joiner
! Make sure to glue securely, If not properly glued, a failure in flight may occur.
Glue
Wing joiner Wing half
Glue must go inside
A B
30 min.Epoxy
A B
Nylon wing bolt
(included)
Paper clamp
(not include)
Note: The two wing halves roots must fit together perfectly.
Rubber band
(not include)
Hold the wing halves together with paper clamp and rubber band .
solvent or pure alcohol, only use kerosene to keep the colour of your model not fade.
13
INSTRUCTION MANUAL / SPITFIRE Horizontal stabilizer
Cut away only the covering
Using a sharp hobby knife, carefully cut away the covering around of all slots for the horizontal stabilizer and vertical fin installation.
Pull the left and right elevator out of the horizontal stabilizer.
Carefully, p ush the horizontal stabilizer into the slot on the fuselage as show.
NOTE: You may need to open up the slots with the thin sander so that the horizontal stabilizer is not too difficult to push .
in
Cut away only the covering both sides
A A’
A=A’
FUSELAGE AND HORIZONTAL STABILIZER - TOP VIEW
The rectangular hole on the Horizontal stabilizer must be located in the middle and parallel with the fuselage.
When you are satisfied with the alignment, use a pencil to trace around the top and bottom of the stabilizer where it meets the fuselage.
Cut away only the covering both side s.
Remove the horizontal stabilizer from the fuselage. Using a straight edge and a sharp hobby knife, carefully cut away the covering inside the lines which were marked above. Be cautious not to cut into the wood -this will weaken the structure .
14
INSTRUCTION MANUAL / SPITFIRE Horizontal and Vertical stabilizer
Apply thin CA glue into the slot where the fuselage meet the horizontal stabilizer.
CA
B B’
B=B’
CA
Install the horizontal stabilizer onto the fuselage and adjust the alignment as described before.
Note: it is important to ensure that the horizontal stabilizer is also level in regards to the fuselage.
Apply the thin CA along the area where the covering was removed in the previous step and to the fuselage where the horizontal stabilizer mounts .
! Securely glue together. If coming off during fly, you lose control of your air plane.
Apply thin CA glue both sides
Pull the rudder out of the vertical fin.
Carefully, push the vertical fin into the slot on the fuselage as shown (12A).
INSTRUCTION MANUAL / SPITFIRE Vertical stabilizer
90 degree triangle
Trial fit the vertical fin in position. Using a 90 degree triangle, ensure that the vertical stabilizer is perpendicular to the horizontal stabilizer.
Using a pencil, trace around the vertical stabilizer where it meets the fuselage.
Remove the vertical stabilizer from the fuselage.
Remove the vertical stabilizer from the fuselage.
Using s sharp hobby knife, carefully cut away the covering below the lines which were drawn in the previous steep. Do not cut into the woods as this will affect the structural integrity of the stabilizer .
Cut away only the covering both side s.
Apply thin CA glue both side
CA
Apply the thin CA glue on the vertical stabilizer where it contacts the fuselage.
Insert the vertical fin into the fuselage, precisely align the vertical stabilizer as described before.
!
Securely glue together. If coming off during fly, you lose control of your air plane.
INSTRUCTION MANUAL / SPITFIRE Elevator
Without using glue yet, push the elevator and its hinges into the hinge slots in trailing edge of the horizontal stabilizer.
TOP-SIDE
HORIZONTAL STABILIZER
STEP 1
Apply a thin layer of petroleum jelly
STEP 2
CA
Apply thin CA glue on the top of the hinge
TOP-SIDE
HORIZONTAL STABILIZER
Apply thin CA glue on the top and bottom of the hinge
CA
STEP 3
Apply a thin layer of petroleum jelly
BOTTOM-SIDE
HORIZONTAL STABILIZER
STEP 4
BOTTOM-SIDE
HORIZONTAL STABILIZER
CA
Apply thin CA glue on the bottom of the hinge.
!
Securely glue together. If coming off during fly, you lose control of your air plane.
17
INSTRUCTION MANUAL / SPITFIRE Rudder
Without using glue yet, push the rudder and its hinges into the hinge slots in trailing edge of the vertical stabilizer.
STEP 1
Apply a thin layer of petroleum jelly .
Apply thin CA glue on the right of the hinge.
CA
STEP 2
Do the same way with other side of vertical stabilizer.
CA
CA
!
Securely glue together. If coming off during fly, you lose control of your air plane.
18
INSTRUCTION MANUAL / SPITFIRE Elevator control horn
Cut away only the covering both sides.
!
The rectangular holes on the wooden elevator and rudder are re-cut at factory.
L/R Do the same way with other elevator control horn.
Elevator control horn
............
2 set
19
CA
Apply thin CA glue on the top and bottom of the control horn where it meets the elevator.
!
Securely glue together. If coming off during fly, you lose control of your air plane.
INSTRUCTION MANUAL / SPITFIRE Rudder control horn
CA
Apply thin CA glue on the left and right of the control horn where it meets the rudder.
Rudder control horn
............
1 set
20
!
Securely glue together. If coming off during fly, you lose control of your air plane.
INSTRUCTION MANUAL / SPITFIRE Rudder and elevator push-rod installation
2x950mm rod with clevis
...3
Rudder push rod
Elevator push rod
Elevator push rod
CA
21
INSTRUCTION MANUAL / SPITFIRE Tail gear installation
3
1
2
1- Insert the tail wheel push-rod into the hole on the tail gear
control horn as show.
2- Insert the tail wheel push-rod into the white plastic tube
inside the fuselage.
3- Install the tail wheel control horn in place.
4
1.2x8
0 0mm rod
2mm I.D collar
...............2
........................1
Tail landing gear
..........1
Tail wheel controlhorn
.................1
25mm wheel
..........1
22
4- Instal the tail wheel gear in place.
5- Secure the tail wheel control horn in place using a
3mm screw set, ensure smooth non-binding movement.
INSTRUCTION MANUAL / SPITFIRE Tail gear cover
1.5mm
2x8mm screw
.........6
23
INSTRUCTION MANUAL / SPITFIRE Servo and linkages
1.2x500mm throttle push-rod
........1
2x120mm rod (rudder/elevator)
........
2
Connector
................2
....................1
2 mm
Elevator push-rod
Connector
X
ELEVATOR SERVO
FUSELAGE - BOTTOM VIEW
Throttle push-rod
Connector
X
THROTTLE SERVO
2 mm
Tail wheel push-rod
Connector
Rudder push-rod
X
RUDDER SERVO
24
INSTRUCTION MANUAL / SPITFIRE A nten n a , rearmiror , air scoop installation
X
1.5mm
25
INSTRUCTION MANUAL / SPITFIRE Sticker
A E A EP-120
EP-120 A E A
BATTERY
SUPERMARINE SPITFIRE DECAL
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.
IMPORTANT: Please do not clean your model with strong solvent or pure alcohol, only use kerosene to keep the colour of your model not fade.
26
INSTRUCTION MANUAL / SPITFIRE Balance and control surface
THE CENTER OF GRAVITY IS LOCATED 90 - 95 mm BACK FROM THE
LEADING EDGE OF THE WING, AT THE FUSELAGE.
BALANCE A PLANE
UPSIDE DOWN WITH THE FUEL TANK EMPTY.
90 - 95mm
1- Mount the wing to the fuselage. Using a couple of pieces of masking tape, place them on the top side of the wing ( 90-95 mm) 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.
DO NOT try to fly an out-of-balance model !
CONTROL SURFACE
30mm
1 2 mm
1 2 mm
RUDDER
AILERON
30mm
1 5 mm
10mm
10mm
FLAP
ELEVATOR
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 Tiger Moth 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”.
LOW RATE
Aileron : 12mm up / down
Elevator : 10mm up / down
Rudder : 30mm right / left
Flap : 15mm down
HIGH RATE
Aileron : 15mm up / down
Elevator : 15mm up / down
Rudder : 40mm right / left
Flap : 20mm down
27

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Key features
- 6-channel radio control for precise maneuvering
- Retractable landing gear for smooth takeoffs and landings
- Optional electric or glow engine compatibility for customized performance
- Pre-cut covering for easy assembly and a sleek finish
- Detailed scale design for authentic Spitfire aesthetics
- Spacious fuselage for ample equipment storage
- Adjustable control surfaces for personalized flight characteristics