Instruction Manual Book
DORNIER DO335
Item code: BH163.
NOT INCLUDING ELECTRIC GEAR RETRACTS.
ONLY INCLUDING OLEO STRUTS.
ALL BALSA - PLY WOOD CONSTRUCTION.
COVERED IN A HEAT-SHRINK FILM WITH PRINTED.
95% ALMOST READY TO FLY
Made in Vietnam.
SPECIFICATION:
- Wingspan: 1,724mm (67.87in).
- Length: 1,731mm (68.15 in).
- Weight: 6 kg (13.2lbs).
2
- Wing area: 61.4dm .
2
- Wing loading: 97.72g/dm .
- Wing type: Naca Airfoil.
- Servo mount: 42mm x 21mm.
- Gear type: Electric retract gear,
size: (92.2 x 51 x 30.6)mm (not included).
Oleo struts (included).
- Spinner (2pcs): 80mm.
Parts listing required (not included):
- Radio: 06 channels.
- Servo: 07 servos.
- Motor (2pcs) : Brushless outrunner 1000-1800W, 800KV.
- Propeller (2pcs): Suit with your engine.
Recommended Motor
and battery set up (not included):
- Motor (2pcs): RIMFIRE.55
- Lipo cell: 6 cells 5,000mAh.
- ESC (2pcs) : 60A.
. Item code: BH163 DORNIER DO335
This instruction manual is designed to help you build a great flying aeroplane. Please read this manual thoroughly
before starting assembly of your DORNIER DO335. Use the parts listing below to identify all parts.
WARNING
Please be aware that this aeroplane is not a toy and if assembled or used incorrectly it is capable of causing
injury to people or property. WHEN YOU FLY THIS AEROPLANE YOU ASSUME ALL RISK & RESPONSIBILITY.
If you are inexperienced with basic R/C flight we strongly recommend you contact your R/C supplier and join your local
R/C Model Flying Club. R/C Model Flying Clubs offer a variety of training procedures designed to help the new pilot on
his way to successful R/C flight. They will also be able to advise on any insurance and safety regulations that may
apply.
To avoid scratching your new airplane, do not unwrap
the pieces until they are needed for assembly. Cover
your workbench with an old towel or brown paper, both
to protect the aircraft and to protect the table. Keep a
couple of jars or bowls handy to hold the small parts
after you open the bag.
SUGGESTION
NOTE
Please trial fit all the parts. Make sure you have the
correct parts and that they fit and are aligned properly
before gluing! This will assure proper assembly
. ARF is hand made from natural
materials, every plane is unique and minor adjustments
may have to be made. However, you should find the fit
superior and assembly simple.
The painted and plastic parts used in this kit are fuel
proof. However, they are not tolerant of many harsh
chemicals including the following: paint thinner, C/A
glue accelerator, C/A glue debonder and acetone. Do
not let these chemicals come in contact with the colors
on the covering and the plastic parts.
Caution: This model is not a toy!
If you are a beginner to this type of powered model,
please ask an experienced model flyer for help and
support. If you attempt to operate the model without
knowing what you are doing you could easily injure
yourself or somebody else. Please keep your safety
and well-being in mind at all times.
Important: Before you start construction
Even if you have built a large number of RC models
DORNIER DO335
please read right through these instructions and check
all the kit components against the parts list. We have
taken great trouble to keep construction as simple as
possible, without making any compromises in the area
of safety.
Note regarding the film covering
Minor creases or bubbles may develop in the film
covering due to major fluctuations in weather
conditions (temperature, humidity etc.); in rare cases
you may even find a slight warp in a component. These
minor faults are in the nature of film-covered built-up
wooden structures, and can easily be corrected using a
heat gun, as commonly used for modelling.
Creases: Blow warm air over the area and rub down
with a soft cloth.
Wing wrap: Hold the panel twisted gently in the
opposite direction to the wrap, and apply warm air to
remove the creases from the covering.
Caution! do not heat the film more than is absolutely
necessary. If the air or the iron is too hot, the film may
melt and holes may be formed.
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 and
accurately.
When self-tapping screws have to be screwed into
wood, apply a little white glue to prevent them
shaking loose: just squirt white glue into the hole
and fit the screw
2
PARTS LISTING
TOOLS & SUPPLIES NEEDED
Wire Cutters.
Awl.
Hex Wrench.
Hobby knife.
Epoxy Glue (5 minute type).
Epoxy Glue (30 minute type).
EPOXY A
EPOXY B
Threadlocker
(screw cement).
Phillips head screwdriver.
Hand or electric drill.
cm
12345678910
Straight edge ruler.
Some more tools.
-
- 2mm ball driver.
- 90° square or builder's triangle.
- Masking tape & T-pins.
- Paper towels.
Assorted drill bits.
Philip screw driver
Suit with your engine.
MOTOR
ESC
BATTER
Y
3
. Item code: BH163 DORNIER DO335
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. Item code: BH163 DORNIER DO335
11
12
13
14
15
16
: Wheel well (11a, 11b, 11c).
Plastic parts of (12a, 12b, 12c)
: Oleo struts.
: Oleo struts nose gear.
15a, 15b
: lastic
: fuselage .
: Wheels ( ).
Wing p light.
3 x 15mm Screw
- - - - - 12
3x6mm Button Screw
- - 1 - - - -
Spring
- - 1 - - -
5x35mm Cap Screw
- 3 - - -
600mm Cable
- 2
5mm Washer
- - - - - - - - 3
- - - - 3 - -
5mm Colar
- - 4 - - - - - -
- - - 2
M3
- - 2 - -
- - 2 - - -
3mm Nut
2x10mm
3x12mm
3mm Washer
- - - - - - - 8
3 x 15mm Cap Screw
- - 8 - - - - -
3 x 12mm Screw
- - - - - - 8
3mm Spring Washer
- - - - - - - 8
1
2a
2b
3b
3a
4b
4a
5
6a
6b
: Fuselage.
: Wing panel ( )
: Horizontal stabilizer (3a, 3b).
: Rudder (4a, 4b).
: Aluminium wing dihedral brace.
: Cowling (6a, 6b).
: Spinner.
: Air intake.
: Cockpit fuselage (9a : : Pilot, 9c : Cockpit).
: Aluminium tube horizontal stabilizer.
2a, 2b .
Canopy, 9b
1
2
3
4
5
6
787
9
10
9a
9b
9c
10
16
11a
11b
11c
12c
12b
12a
13
14
15a
15b
8
7
7
1. INSTALLING THE AILERONS, FLAPS
Temporary pin to
keep hinge centered.
C/A glue.
C/A glue.
* Apply drops of thin CA to the top and bottom of each
hinge. Do not use CA accelerator. After the CA has fully
hardened, test the hinges by pulling on the aileron.
* Test fit the ailerons to the wing with the hinges. If the
hinges don’t remain centered, stick a pin through the
middle of the hinge to hold it in position.
* Secure nylon hinges with instant glue, being careful
not to glue the wing and aileron together.
* Align the center line of main wing with aileron.
Make certain the hinges are adequately secured
with glue. if they come loose in flight accidents may
result.
WARNING
Bottom view
Flap
Aileron
1. Install the rubber grommets and brass eyelets on to
the aileron servos.
2. Using a modeling knife, remove the covering from
over the pre-cut servo arm exit hole on the aileron servo
tray / hatch. This hole will allow the servo arm to pass
through when installing the aileron pushrods.
3. Place the servo into the servo tray. Center the servo
within the tray and drill 1.5mm pilot holes through the
block of wood for each of the four mounting screws
provided with the servo.
4. Using the thread as a guide and using masking
tape, tape the servo lead to the end of the thread:
carefully pull the thread out. When you have pulled the
servo lead out, remove the masking tape and the servo
lead from the thread.
Drill a hole 1.5mm
and secure
o
90
o
60
Flap
Aileron
5
2x10mm
2 x 10mm Screw
- - - - - - 16
5. Place the servo into the servo tray/ hatch into the
servo box on the bottom of the wing and drill 1.5mm
pilot holes through the tray and servo box for each of
the four mounting screws. Secure the servo tray in
place using the mounting screws provided.
2. INSTALLING THE AILERON SERVOS, FLAPS
. Item code: BH163 DORNIER DO335
Servo tray
2x10mm
2x10mm
3. INSTALLING THE CONTROL HORNS, LINKAGES
* Attach the clevis to the outer hole in the servo
arm. Install a silicone tube on the clevis.
* Using pliers, carefully make a 90 degree bend
down at the mark made. Cut off the excess wire,
leaving about 6mm beyond the blend.
After both linkages are completed. connect both of
the aileron servo loads using a Y-harness you have
purchased.
Insert the 90 degree bend down through the hole in the
control horn. Install one nylon snap keeper over the
wire to secure it to the control horn. Install the control
horn retaining screw and remove the masking tape
from the aileron.
Repeat the procedure to install the other wing.
A+B glueEpoxy
Control horn
Flaslink
Pushrod wire
Horn
Bend and cut.
Silicone Tube
M2
2mm Nut
100mm Push rod
- - 4
- - - 4
- - 4 - - - - -
Horn
- - - 4
- - 4
Flaslink
- - - - - 4
5mm Silicone Tube
Servo arm
Silicone Tube
. Item code: BH163 DORNIER DO335
6
3mm Washer
- - - - - - - 8
3 x 15mm Cap Screw
- - 8 - - - - -
3 x 12mm Screw
- - - - - - 7
3mm Spring Washer
- - - - - - - 8
3x15mm
Secure
4. INSTALLING THE ELECTRIC MOTOR, COWLING
3) Slide the cowl back over the motor and secure it in place using three
wood screws. See picture below.
4) three
edges of the firewall. Using a 3mm drill bit, enlarge the three holes in the
cowling.
Drill 2.5mm pilot holes through both side of the cowl and the side
7
. Item code: BH163 DORNIER DO335
1) Slide the fiberglass cowl over the motor and line up the back edge of the cowl with the marks you made on the
fuselage.
2) While keeping the back edge of the cowl flush with the marks, align the front of the cowl with the crankshaft of the
motor. The front of the cowl should be positioned so the crankshaft is in nearly the middle of the cowl opening. Hold the
cowl firmly in place using pieces of masking tape.
3x15mm
Secure
Drill 2.5mm and
3x12mm.Secure
8
. Item code: BH163 DORNIER DO335
1) Install the rubber grommets and
brass collets into the elevator, rudder
and throttle servos. Test ?t the servos
into the servo tray. Trim the tray if
necessary to ?t your servos.
2) Mount the servo to the tray using
the mounting screws provided with
your radio system.
5. INSTALLING THE FUSELAGE SERVOS
Fuselage top side
Nose gear servo
Elevator servo
Rudder servo
3x12mm.
Secure
5)
enlarge the four holes in the cowling.
Drill four 2.5mm pilot holes through both side of the cowl and the side edges of the firewall. Using a 3mm drill bit,
. Item code: BH163 DORNIER DO335
6. RUDDER INSTALLATION
Rudder
Rudder
RUDDER CONTROL HORN, INSTALLATIONPUSHROD
Fuselage top side
Connector
Servo arm
Secure
Cut
Cut
A+B glueEpoxy
Rudder pushrod
Silicone Tube
Rudder
control horn
7. INSTALLING HORIZONTAL STABILIZER
1) are installed the same way as the aileron
before (see page 5).
Elevator
Rudder c
way as the aileron before (see page 6).
ontrol horns, linkages are installed the same
Rudders are installed the same way as the aileron
before (see page 5).
M2
Nut
800 mm Push rod
- - 2
- - - 2
- - 2 - - - - -
Horn
- - - - - 2
- - - - - - - 2
5mm Silicone Tube
- - - - - 1
Horn
Silicone Tube
Connector
- - - - - - - 1
400mm
Aluminium tube.
8mm
M2
Nut
800 mm Push rod
- - 2
- - - 2
- - 2 - - - - -
Horn
- - - - - 2
- - - - - 1
- - - - - 2
5mm Silicone Tube
1 - - -
Horn
Silicone Tube
Connector
- - - - - 1
9
Attach the aluminium tube
into the fuselage.
2) Using a modeling knife, carefully remove the film
covering from the tail slots at the rear of the fuselage.
Make sure that you do not remove any wood from the
slots as this will affect the alignment of the tail.
Trim and remove the covering
from the tail slots.
Fuselage Top side
10
. Item code: BH163 DORNIER DO335
Fuselage top side
Connector
Servo arm
Cut
Elevator pushrod
Secure.
Cut
Attach the stabilizer
to the fuselage.
Fuselage top side
3) Elevator c
same way as the aileron before (see page 6).
ontrol horns, linkages are installed the
Fuselage bottom side
8. INSTALLING THE WHEEL WELL
Wheel well
Trim and remove
the covering
Wing bottom view
C/A glue
Repeat the procedure to install the opposite gear
* Using a modeling knife,
ca r e f ully remove t h e fi lm
covering from the wing gear
tray. Make sure that you do not
remove any wood.
Fuselage bottom side
A+B glueEpoxy
Silicone Tube
Elevator pushrod
THERE ARE TWO OPTIONS:
OPTION 1: MAIN GEAR
11
. Item code: BH163 DORNIER DO335
3x15mm
Secure
9. INSTALLING MAIN GEAR
C/A glue
Fuselage bottom view
Repeat the procedure to install the opposite gear
85mm Wheels.
- - 2 - - - -
5mm Colar
5 x 35mm Cap Screw
- - 2 - - - -
3x15mm Screw
- - 8 - - - -
5mm Washer
- - - - - - - - 2
Secure
Secure
5x35mm
5mm Collar
Apply threadlocker
5mm Washer
OPTION 2: ELECTRIC GEAR RETRACTS
Electric not included.
43.70
30.70
41.00
51.00
4.20
30.60
92.20
24.10
48.50
2.50
9.75
5.10
21.00
12.00
. Item code: BH163 DORNIER DO335
3x15mm
Secure
Repeat the procedure to install the opposite gear.
Secure
Secure
5x35mm
5mm Collar
Apply threadlocker
5mm Washer
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. Item code: BH163 DORNIER DO335
10. INSTALLING NOSE GEARTHE
THERE ARE TWO OPTIONS:
OPTION 1
OPTION 2: ELECTRIC GEAR RETRACTS
Secure
3x6mm
Secure the strut suspension to
the electric retract and slide the
two cable to the steering plate.
Apply threadlocker
Spring
5x35mm
5mm Collar
3x6mm
5mm Washer
3 x 15mm Screw
- - - - - - 4
3 x 6mm Button Screw
- - 1 - - - - - -
Spring
- - 1 - - - -
5mm Washer
- - - - - - 1
5 x 35mm Cap Screw
- 1 - - - -
- - 1 - - - - -
5mm Colar
600mm Cable
- - 2
- - - - - 2
M3
- - 4 - - - - - -
- - 2 - - - -
- - 2 - - - - -
3mm Nut
65mm
Wheels.
Apply threadlocker
5x35mm
5mm Collar
5mm Washer
Cable wire.
Crimp
Screw the gear in position
Cable wire.
Crimp
Screw the gear in position
13
14
. Item code: BH163 DORNIER DO335
11. INSTALLING THE RECEIVER, ESC AND BATTERY
1) Plug the servo leads and the switch lead into the
receiver. You may want to plug an aileron extension into
the receiver to make plugging in the aileron servo lead
easier when you are installing the wing. Plug the battery
pack lead into the switch.
2) Wrap the receiver and battery pack in the protective
foam to protect them from vibration. Use a rubber band
or masking tape to hold the foam in place.
3) Position the battery pack and receiver behind the
fuel tank. Use two tie wraps to hold the battery and
receiver securely in place as pictures below.
Do not permanently secure the receiver and battery
until after balancing the model.
4) Using a 2mm drill bit, drill a hole through the side of
the fuselage, near the receiver, for the antenna to exit.
Install two cable to the steering servo nose gear.
Fuselage top side
M2 Clevis
Nose gear servo.
558 mm
Aluminium tube.
19mm
Locate the aluminium wing dihedral brace.
*** Test fit the aluminium tube dihedral brace into each
wing haft. The brace should slide in easily. If not, use
220 grit sand around the edges and ends of the brace
until it fits properly.
12. WING ATTACHMENT
Attach the aluminium tube into the fuselage.
ESC
ESC
Battery for motor
. Item code: BH163 DORNIER DO335
Insert the wing panel as pictures below.
Screw the wing panel in position.
Secure
Secure
13. INSTALLING COCKPIT FUSELAGE
A+B Epoxy glue.
Open/close
Open/close
Fuselage top side
Fuselage b side.ottom
Position the canopy so the rear
frame on the canopy is aligned with
the rear edge of the cockpit
opening. Use canopy glue to secure
the canopy to the canopy hatch.
Use low-tack tape to hold the
canopy in position until the glue fully
cures. Wrap the tape completely
around the canopy hatch.
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. Item code: BH163 DORNIER DO335
Adhesive tape.
14. PLASTIC PARTS OF FUSELAGE
C/A glue
C/A glue
Air intake
C/A glue
C/A glue
C/A glue
Fuselage top side.
Air intake
Fuselage b side.ottom
C/A glue
16
15. INSTALLING THE SPINNER, PROPELLER
. Item code: BH163 DORNIER DO335
- - - - - - 8
Fuselage top side.
17
Secure
Secure
BALANCING
1) It is critical that your airplane be balanced correctly.
Improper balance will cause your plane to lose control
and crash.
THE CENTER OF GRAVITY IS LOCATED 175MM
BACK FROM THE LEADING EDGE OF THE WING.
2) Mount the wing to the fuselage. Using a couple of
pieces of masking tape, place them on the top side of
the wing 175mm back from the leading edge, at the
fuselage sides.
3) Turn the airplane upside down. Place your fingers
on the masking tape and carefully lift the plane.
Accurately mark the balance point on the top of the wing
on both sides of the fuselage. The balance point is
located 175mm back from the leading edge. This is the
balance point at which your model should balance for
your first flights. Later, you may wish to experiment by
shifting the balance up to 10mm forward or back to
change the flying characteristics. Moving the balance
forward may improve the smoothness and arrow- like
tracking, but it may then require more speed for take off
and make it more difficult to slow down for landing.
Moving the balance aft makes the model more agile
with a lighter and snappier "feel". In any case, please
start at the location we recommend.
With the wing attached to the fuselage, all parts of the
model installed ( ready to fly), and empty fuel tanks,
hold the model at the marked balance point with the
stabilizer level.
Lift the model. If the tail drops when you lift, the model is
"tail heavy" and you must add weigh* to the nose. If the
nose drops, it is "nose heavy" and you must add weight*
to the tail to balance.
*If possible, first attempt to balance the model by
changing the position of the receiver battery and
receiver. If you are unable to obtain good balance by
1) We highly recommend setting up a plane using the
control throws listed.
2) The control throws should be measured at the
widest point of each control surface.
3) Check to be sure the control surfaces move in the
correct directions.
Control throw Ailerons:
Low: 12 mm up / down.
High: 14 mm up / down.
Control throw Flaps:
Mid: 25 mm down.
Control throw Elevators:
Low: 8 mm up / down.
High: 10 mm up / down.
Control throw Rudder:
Low: 25 mm left / right.
High: 30 mm left / right.
CONTROL THROWS
25 mm
Flap control
12 mm
12 mm
Aileron control
8 mm
8 mm
Elevator control
25 mm
25 mm
Rudder control
PRE-FLIGHT CHECK
1) Completely charge your transmitter and
receiver batteries before your first day of flying.
2) Check every bolt and every glue joint in your
plane to ensure that everything is tight and well
bonded.
3) Double check the balance of the airplane.
4) Check the control surface.
5) Check the receiver antenna. It should be fully
extended and not coiled up inside the fuselage.
Check the receiver antenna. It should be fully
extended and not coiled up inside the fuselage.
6) Properly balance the propeller.
We wish you many safe and enjoyable
flights with your DORNIER DO335.
18
. Item code: BH163 DORNIER DO335
175mm
CG
. Item code: BH163 DORNIER DO335
S Use a sharp
secewdriver to take the red
cable out from (only one ESC)
the BEC connector, and
then insulate it with a bit of
electrical tape for futher use.
uggestion :
T
ake the red line out
Motor
Motor
Receiver
Battery
E.S.C
E.S.C
I/C FLINGT WARNINGS
NEVER fly near power lines,aerials or
other dangerous areas including airports,
motorways etc.
ALWAYS adjust the engine from behind
the propeller, and do not allow any part of
your body to be in line with the propeller.
Always operate in open areas, away from
factories, hospitals, schools, buildings
and houses etc. NEVER fly your aircraft
close to people or built up areas.
DO NOT disp ose of em pty fue l
containers on a fire, this can lead to an
explosion.
NEVER fly in wet conditions or on windy
or stormy days.
NEVER use damaged or deformed
propellers or spinners.
THE PROPELLER IS DANGEROUS.
Keep fingers, clothing (ties, shirt sleeves,
scarves) or any other loose objects that
could be caught or drawn in, away from
the propeller. Take care at ALL times.
Keep all onlookers (especially small
children and animals) well back from the
area of operation. This is a flying aircraft,
which will cause serious injury in case of
impact with a person or animal.
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