Black Horse Model MDM-1FOX Owner's manual

Instruction Manual Book
Made in Vietnam.
Item code: BH152.
MDM-1FOX
95% ALMOST READY TO FLY
ALL BALSA - PLY WOOD CONSTRUCTION.
COVERED WITH PVC PRINTING.
Wingspan: 6,000 mm (236.22 in).
Length: 3,200 mm (125.98 in).
Weight: 18 kg (39.60 lbs).
Wing area: 231 dm2.
Wing loading: 80 g/dm2
Wing type: Naca airfoils.
SPECIFICATION
Parts listing required (not included):
Servo: 09 standard high torque servos.
Servo mount: 42mm x 21mm.
Radio: 06 channels.
Electric Motor: BOOST 180.
Battery: 12S LIPO 44,4V 6,000mAh.HV.
Speed control: 120A.

MDM-1FOX Item code: BH152. Instruction Manual
2
Some more parts.
HARDWARE PACK.
This instruction manual is designed to help you build a great ying aeroplane. Please read this manual thoroughly
before starting assembly of your MDM-1FOX. Use the parts listing below to identify all parts.
Please trial fit all the parts. Make sure you have
the correct parts and that they t and are aligned
properly before gluing! This will assure proper
assembly. MDM-1FOX ARF is hand made from natural
materials, every plane is unique and minor adjustments
may have to be made. However, you should nd the t
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.
FUSELAGE ASSEMBLY
(1) Fuselage.
WING ASSEMBLY
(1) Right wing half with pre-installed aileron.
(1) Left wing half with pre-installed aileron.
TAIL SECTION ASSEMBLY
(1) Vertical stabilizer with pre-installed rud-
der.
(1) Horizontal stabilizer with pre-installed
elevator halves.
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 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 ight 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 ight. They will also be able to advise on any insurance and safety regulations
that may apply.
WARNING
Thick cyanoacrylate glue.
30 minute epoxy.
5 minute epoxy.
Hand or electric drill.
Assorted drill bits.
Modelling knife.
Straight edge ruler.
2mm ball driver.
Phillips head screwdriver.
220 grit sandpaper.
90° square or builder’s triangle.
Wire cutters.
Masking tape & T-pins.
Thread-lock.
Paper towels.
TOOLS & SUPPLIES NEEDED
PARTS LISTING

MDM-1FOX Item code: BH152. Instruction Manual
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REPLACEMENT LARGE PARTS
B1 B2 B4
C2
B3
K1
K2
G1
G2
FE
N
D
C1
A1
A2
G: Aluminium tube wing dihedral brace(G1, G2).
E: Aluminium tube Vertical stabilizer
F: Aluminium tube Horizontal stabilizer.
K: Aluminium tube wing (K1, K2).
N: Aluminium tube Fuselage
A: Fuselage (A1,A2).
D: Vertical stabilizer.
M: Decal sheet.
L: Pilot
B: Wing panel (B1, B2, B3, B4).
C: Horizontal stabilizer(C1, C2).
M
L
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 y 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 t the screw.
Caution: This model is not a toy!
If you are a beginner to this type of powered model,
please ask an experienced model yer 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
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 lm covering
Minor creases or bubbles may develop in the lm
covering due to major uctuations in weather conditions
(temperature, humidity etc.); in rare cases you may
even nd a slight warp in a component. These minor
faults are in the nature of lm-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 lm more than is absolutely
necessary. If the air or the iron is too hot, the lm may
+ This is not a toy.
+ Be sure that no other yers are using your radio
frequency.
+ Do not smoke near fuel.
+ Store fuel in a cool, dry place, away from children
and pets.
+ Wear safety glasses.
+The glow plug clip must be securely attached to the
glow plug.
+ Do not ip the propeller with your ngers.
+ Keep loose clothing and wires away from the propel-
ler.
+ Do not start the engine if people are near. Do not
stand in line with the side of the propeller.
+ Make engine adjustments from behind the propeller
only. Do not reach around the spinning propeller.
SAFETY PRECAUTION

MDM-1FOX Item code: BH152. Instruction Manual
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 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.
1. INSTALLING THE AILERON SERVOS
I. AILERON
See picture below:
Drill a hole
1.5mm
Servo tray
Remove the covering
REPLACEMENT SMALL PARTS
Bottom side
B2
B1
Aileron
Aileron
3 x 12mm
3 x 10mm
6 x 75mm
6 x 45mm
1. Fiberglass parts bottom top wing.
2a. Plastic part wheel pants.
2b. Plastic part tail wheel pants.
13
4
2
2b
2a
3. Propeller mount.
4. Tail wheel.

MDM-1FOX Item code: BH152. Instruction Manual
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3) 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.
 4) Place the servo into the servo tray. Center
the servo within the tray and drill 2.5mm pilot holes
through the block of wood for each of the four mount-
ing screws provided with the servo.
Drill a hole
2.5mm
Secure
Servo tray.
Thread
3x10mm
Secure
3. INSTALLING THE AILERON LINKAGES
 3) Repeat the procedure to install the control
horn on the opposite aileron.
Installing the aileron linkages as pictures below.
 5) Repeat the procedure to install the
aileron servos in the opposite wing half.
2. INSTALLING THE AILERON CONTROL HORN
 1) Remove the covering from the slot on the bot-
tom of the aileron.
 2) Insert the control horn into the slot and secure.
Push in
Secure
Top side
3x10mm
...mm

MDM-1FOX Item code: BH152. Instruction Manual
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After both linkages are completed. connect both of
the aileron servo loads using a Y-harness you have
purchased.
Aileron
control horn
Secure
Secure
Push in
B2
4x12mm
Push in
B1
B2
633 mm
454 mm
Aluminium tube wing (K1, K2). 19mm.
19mm.
Push in
B1
Secure
B1
B2
B2
Bottom side

MDM-1FOX Item code: BH152. Instruction Manual
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Push in
666 mm
Aluminium tube Fuselage. 25mm.
Repeat the procedure for the opposite wing half.
INSTALLING THE FUSELAGE
See pictures below:
Attach the aluminium tube into the fuselage.
Secure
3x12mm
B1
B2
Bottom side
Drill a hole
2.5mm
NSTALLING ELECTRIC MOTOR
AND ESC
Push in
See pictures below:
6x45mm
Secure
NOT INCLUDED

MDM-1FOX Item code: BH152. Instruction Manual
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Secure
ESC
Secure
Drill a hole 2mm
diameter.
Secure
Push in
Secure
Mottor
Rotor shaft
Open

MDM-1FOX Item code: BH152. Instruction Manual
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HORIZONTAL STABILIZER
Bottom side
Secure
Repeat the procedure for the opposite
horizontal stabilizer half.
Repeat step # 1 - # 3 from installing the aileron (page
4 - 5) to install the horizontal stabilizer.
See pictures below:
Push in
4x12mm
294mm
Aluminium tube Horizontal stabilizer 12mm.
Push in
Push in
Push in
Top Side
Attach the aluminium tube into the fuselage.
Attach the stabilizer to the fuselage.
Bottom side
Secure

MDM-1FOX Item code: BH152. Instruction Manual
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Repeat step # 1 - # 3 from installing the aileron (page
4 - 5) to install the vertical stabilizer.
XI. VERTICAL INSTALLATION
See picture below:
Secure
Push in
4x12mm
Secure
Push in
Fuselage
Push in
Fuselage
Vertical stabilizer
272 mm
Aluminium tube horizontal stabilizer 12mm.
Remove the rear of the covering.
Attach the aluminium tube into the fuselage.