Black Horse Model B.A.EAGLE bh158 User manual

95% ALMOST READY TO FLY
- Wingspan: 1,790mm (70.47in).
- Length: 1,340mm (52.76in.)
- Weight: 4kg (8.8lbs).
- Wing area: 45.7dm2.
- Wing loading: 87.53g/dm2.
- Wing type: Naca Airfoil.
- Gear type: Oleo struts (included).
- Spinner: 58mm.
- Servo mount: 42mm x 21mm.
Parts listing required (not included):
- Radio: 05 channels.
- Servo: 07 servos.
- Engine: 61 - 2 stroke; 15cc Gas.
- Motor: Brushless outrunner 1200-2200W, 650KV.
- Propeller: Suit with your engine.
Recommended motor
and battery set up (not included):
- Motor: RIMFIRE.60.
- Lipo cell: 6 cells 4,000-5,000mAh.
- Receiver battery: 6V/ 1200-2000mAh NiMH.
- ESC: 80A.
Made in Vietnam.
SPECIFICATION
ALL BALSA - PLY WOOD CONSTRUCTION.
COVERED WITH ORACOVER
B.A.Eagle
Instruction Manual Book
Item code: BH158.

B.A.Eagle .Item code: BH158. Instruction Manual
2
Some more parts.
HARDWARE PACK
COWLING.
Landing gear.....
This instruction manual is designed to help you build a great ying aeroplane. Please read this manual thoroughly
before starting assembly of your B.A.Eagle .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. B.A.Eagle .ARF is hand made from
natural materials, every plane is unique and mi-
nor adjustments may have to be made. How-
ever, you should fi n d t h e f i t s u p e r i or 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 rudder.
(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

B.A.Eagle .Item code: BH158. Instruction Manual
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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
melt and holes may be formed.
+ 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
propeller.
+ 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
REPLACEMENT LARGE PARTS
B1
C
E
D
A
A: Fuselage - Vertical stab.
B: Wing panel (B1, B2).
C: Horizontal stabilizer.
D: Rudder.
E: Aluminium tube wing dihedral brace.
F: Cowling.
G: Cockpit fuselage.
L: Decal sheet.
B2
F
L
G
G3 G1
G2

B.A.Eagle .Item code: BH158. Instruction Manual
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I. AILERON
See pictures below:
REPLACEMENT SMALL PARTS
Temporary pin to
keep hinge centered.
1. INSTALLING THE AILERONS
Test t 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.
2. INSTALLING THE AILERON SERVOS
 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.
Servo tray
Remove the covering
Bottom side.
Aileron
Flap
Top side.
C.A glue
C.A glue
Assemble then apply
drops of thin C/A to center
of hinge,on both sides.
8a
8b
4x15 mm
3x15mm
5x33mm
1
1
33
44
2
1. Oleo Strut
2. Wheels.
3. Plastic fairing for landing gear.
4. Wheel pants.
6. Spinner
7. Tail gear set.
8. Fuel tank.
8a. Clunk.
8b. Stopper (three line).
9. Wood - motor mount.
10. Plastic - engine mount.
3x12mm
2x10mm
4x20mm
4x70mm
8
9
6
M2
3x12mm
7
4x30mm
10
3x10mm

B.A.Eagle .Item code: BH158. Instruction Manual
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 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 mount-
ing screws provided with the servo.
Drill a hole
1.5mm
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
Secure
Electric wire
Electric wire
2x10mm
Secure
 5) Repeat the procedure to install the aileron servos
in the opposite wing half.
3. 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
it by A+B Epoxy glue.
1. A+B Epoxy glue
2. Push in
Aileron
control horn
4. INSTALLING THE AILERON LINKAGES
Installing the aileron linkages as pictures below.
100mm
Snap keeper.
M2 lock nut
 3) Repeat the procedure to install the control horn
on the opposite aileron.
Using pliers, carefully make a 90 degree bend down at
the mark made. Cut off the excess wire, leaving about
6mm beyond the blend.

B.A.Eagle .Item code: BH158. Instruction Manual
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II. INSTALLING THE FLAP
Flap install as same as the way of aileron. Repeat
step #1 - #4 on the part I (page 4,5) to install the ap.
Repeat the procedure to install the second aileron
linkages in the opposite wing half.
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.
Flaslink
Pushrod wire Control horn
Bend and cut.
Silicone Tube
III. MAIN GEAR INSTALATION
Using a modeling knife, carefully remove the lm cov-
ering from the gear slots at the wing. Make sure that
you do not remove any wood from the slots.
PLASTIC FAIRING FOR LANDING GEAR.
Secure the gear to the wing.
Install the wheel pants.
4x15 mm
Secure
Bottom side.
Trim the covering.
3x15mm
Secure
Drill a hole
2.5mm
4x15 mm
3x15mm
5x33mm
3x10mm

B.A.Eagle .Item code: BH158. Instruction Manual
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IV. INSTALLING THE ENGINE MOUNT
OPTION 1: ELECTRIC MOTOR
See pictures below:
There are two options:
1. Electric motor
2. Engine mount.
4x70mm
4x20mm
5x33mm
Collar
Repeat the procedure to install the gear in the op-in the op-in the op-
posite wing half.
Install and secure the wheel.
Secure the wheel pants.
Secure
3x10mm
Secure
Apply threadlocker
(screw cement).

B.A.Eagle .Item code: BH158. Instruction Manual
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Locate the long piece of wire used for the throttle
pushrod. One end of the wire has been pre-bend in to a
“Z” bend at the factory. This “Z” bend should be inserted
into the throttle arm of the engine when the engine is
tted onto the engine mount. Fit the engine to the engine
mount using the screws provided.
OPTION 2: ENGINE MOUNT
4x30mm
125mm
1. INSTALLING THE STOPPER ASSEMBLY
1) The stopper has been pre-assembled at the
factory.
2) Using a modeling knife, cut one length of silicon
fuel line (the length of silicon fuel line is calculated by
how the weighted clunk should rest about 8mm away
from the rear of the tank and move freely inside the
tank). Connect one end of the line to the weighted
clunk and the other end to the nylon pick up tube in
the stopper.
3) Carefully bend the second nylon tube up at a 45
degree angle (using a cigarette lighter). This tube will
be the vent tube to the mufer.
4) Carefully bend the third nylon tube down at a 45
degree angle (using a cigarette lighter). This tube will
be vent tube to the fueling valve.
When the stopper assembly is installed in the tank, the
top of the vent tube should rest just below the top sur-
face of the tank. It should not touch the top of the tank.
V. FUEL TANK,
SERVOS INSTALLATION
To carburetor
fuel inlet
Atter conrming the direction
(see front view of fuel tank). Insert and tighten the screw.
Be sure to equip
air vent pipe.
Tubing for
re-fuelling
Not included.
Tygon tubing (Gas). And
silicone tubing (Methanol).
5mm
5) Test t the stopper assembly into the tank. It may
be necessary to remove some of the ashing around
the tank opening using a modeling knife. If ashing is
present, make sure none of it falls into the tank.
6) When satised with the alignment of the stopper
assembly tighten the 3mm x 20mm machine screw until
the rubber stopper expands and seals the tank opening.
Do not over tighten the assembly as this could cause
the tank to split.
7) Using a modeling knife, cut 3 lengths of fuel line
150mm long. Connect 2 lines to the 2 vent tubes and 1
line to the fuel pickup tube in the stopper.
8) Feed three lines through the fuel tank compart-
ment and through the pre-drilled hole in the rewall. Pull
the lines out from behind the engine, while guiding the
fuel tank into place. Push the fuel tank as far forward as
possible, the front of the tank should just about touch
the back of the rewall.
Blow through one of the lines to ensure the fuel
lines have not become kinked inside the fuel tank
compartment. Air should ow through easily.
9) To secure the fuel tank in place, apply a bead of
silicon sealer to the forward area of the tank, where it
exits the fuselage behind the engine mounting box and
to the rear of the tank at the forward bulkhead.
Do not secure the tank into place permanently until after
balancing the airplane. You may need to remove the
tank to mount the battery in the fuel tank compartment.
Fuel tank
Tie wrap
See pictures below:

B.A.Eagle .Item code: BH158. Instruction Manual
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2.INSTALLING THE FUSELAGE SERVOS
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 neces-
sary to t your servos.
2) Mount the servo to the tray using the mounting
screws provided with your radio system.
Pushrod wire
Throttle servo
Rudder servo
Elevator servo
Install one adjustable metal connector through the third
hole out from the center of one servo arm, enlarge the
hole in the servo arm using a 2mm drill bit to accommo-
date the servo connector. Remove the excess material
from the arm.
After installing the adjustable metal connector apply
a small drop of thin C/A to the bottom nut. This will
prevent the connector from loosening during ight.
3. INSTALLING THE THROTTLE PUSHROD
Pushrod wire
VI. COWLING
Throttle servo
Connector
Servo arm
Secure
Cut
Throttle pushrod
Cowl area cutout
for engine head.
Cowl area cutout
for mufer
1) Slide the berglass cowl over the engine 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 ush
with the marks, align the front of the cowl with the
crankshaft of the engine. The front of the cowl should
be positioned so the crankshaft is in nearly the middle
of the cowl opening. Hold the cowl rmly in place using
pieces of masking tape.
3) Slide the cowl back over the engine and secure
it in place using four wood screws. See picture below.
4) Install the mufer and mufer extension onto
the engine and make the cutout in the cowl for mufer
clearance. Connect the fuel and pressure lines to the
carburetor, mufer and fuel ller valve.
Drill four 2.5mm pilot holes through both the cowl and
the side edges of the rewall. Using a 3mm drill bit,
enlarge the four holes in the cowling.
3x12mm
Drill a hole 2.5mm
and secure 3x12mm

B.A.Eagle .Item code: BH158. Instruction Manual
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B B
A A
3) Check the t of the horizontal stabilizer in its
slot. Make sure the horizontal stabilizer is square and
centered to the fuselage by taking measurements, but
don’t glue anything yet.
VII. INSTALLING HORIZONTAL
STABILIZER
2) Draw a center line onto the horizontal stabilizer.
Then put the horizontal into the fuselage.
Trim the covering
from the tail slots.
Center line
1) Using a modeling knife, carefully remove the lm
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.
Top side.
5) Elevator install as same as the way of aileron.
Please see pictures below.
4) With the horizontal stabilizer correctly aligned.
Apply a thin CA layer to the top and bottom of the sta-
bilizer in the fuselage.
C/A glue.
Top side.
Top side.
Check to mark sure the wing and stabilizer are
paralell. If they are not, lightly sand the opening
in the fuselage for the stabilizer until the stabilizer
is paralell to the wing, but don’t glue anything yet.
A A
A = A

B.A.Eagle .Item code: BH158. Instruction Manual
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1. ELEVATOR CONTROL HORN
INSTALLATION
Elevator control horn install as same as the way of
aileron control horn.
Please see pictures below.
Please see pictures below.
M2 Lock nut
M2
Elevator pushrod
Silicone Tube
Bottom side.
control horn
1.A+B Epoxy glue
2. Push in
Drill a hole
1.5 mm
2. ELEVATOR PUSHROD INSTALLATION
1) Using pliers, carefully make a 90 degree bend
down at the mark made. Cut off the excess wire, leaving
about 6mm beyond the blend.
2) Insert the 90 degree bend down through the
hole in the servo arm. Install one nylon snap keeper
over the wire to secure it to the arm. Install the servo
arm retaining screw.
Cut.
Bend
Secure.
Elevator pushrod
Flaslink
Pushrod wire
servo arm
Secure.
Elevator servo
Snap keeper
VIII. THE TAIL WHEEL BRACKET,
RUDDER INSTALLATION
Secure the tail wheel bracket in place using three 3mm
x 12mm wood screws. Be careful not to overtighten the
screws.
3 x 12mm

B.A.Eagle .Item code: BH158. Instruction Manual
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RUDDER CONTROL HORN
PUSHROD INSTALLATION
Rudder control horn and pushrod install as same as
method of elevator.
Secure
Rudder install as same as the way of aileron.
Please see pictures below.
2.Push in
1.A+B Epoxy
glue.
Rudder pushrod
Rudder
control horn
Rudder servo
Flaslink
Pushrod wire
Servo arm
Rudder pushrod
Snap keeper
6mm
90o
Mark
Control horn
Silicone Tube
Rudder
M2
Pushrod

B.A.Eagle .Item code: BH158. Instruction Manual
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 1) Cut out the switch hole using a modeling knife.
Use a 2mm drill bit and drill out the two mounting holes
through the fuselage side.
 2) Secure the switch in place using the two machine
screws provided with the radio system.
 3) 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.
 4) Wrap the receiver and battery pack in the protec-
tive foam to protect them from vibration. Use a rubber
band or masking tape to hold the foam in place.
 5) 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.
 6) Using a 2mm drill bit, drill a hole through the side
of the fuselage, near the receiver, for the antenna to exit.
IX. INSTALLING THE SWITCH,
RECEIVER AND BATTERY
Switch of receiver
Battery receiver.
Receiver.
Locate the aluminium wing dihedral brace.
X. WING ATTACHMENT
*** Test t 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 ts properly.
455mm
Aluminium tube. 19mm.
Insert the wing panel as pictures below.
Push in
Push in
Push in
Attach the aluminium tube into the fuselage.
Secure
Secure
Screw the wing panel in position.
XI. INSTALLING COCKPIT
FUSELAGE, PROPELLERS
Please see pictures below.

B.A.Eagle .Item code: BH158. Instruction Manual
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Installing the fuselage hatch as same as picture below.
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.
Install the spinner backplate, propeller and spinner
cone.
XII. INSTALLING THE SPINNER
Open and
Close
A/B Epoxy glue.
Pilot Adhesive tape.

B.A.Eagle .Item code: BH158. Instruction Manual
15
BALANCING
 1) It is critical that your airplane be balanced cor-
rectly. Improper balance will cause your plane to lose
control and crash.
THE CENTER OF GRAVITY IS LOCATED
88MM 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 88mm back from the leading edge, at the
fuselage sides.
 3) Turn the airplane upside down. Place your ngers
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 88mm back from the leading edge. This is
the balance point at which your model should balance
for your rst ights. Later, you may wish to experiment
by shifting the balance up to 10mm forward or back to
change the ying 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 difcult 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 y), 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 re-
ceiver. If you are unable to obtain good balance by
doing so, then it will be necessary to add weight to
the nose or tail to achieve the proper balance point.
CG
88mm
 1) Completely charge your transmitter and receiver
batteries before your rst day of ying.
 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.
 6) Properly balance the propeller.
We wish you many safe and enjoyable ights
with your B.A.Eagle .
PRE-FLIGHT CHECK
 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.
Ailerons : 10 mm up 10 mm down
Flap : 25 mm down.
Elevator : 8 mm up 8 mm down
Rudder : 20 mm right 20 mm left
CONTROL THROWS
10 mm
10 mm
25 mm
8 mm
8 mm
20 mm
20 mm
Flap control
Aileron control
Elevator control
Rudder control

NEVER y in wet conditions or on
windy or stormy days.
I/C FLINGT WARNINGS
THE PROPELLER IS DANGEROUS.
Keep ngers, 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.
NEVER use damaged or deformed
propellers or spinners.
DO NOT dispose of empty fuel
containers on a re, this can lead to
an explosion.
Keep all onlookers (especially small
children and animals) well back
from the area of operation. This is
a ying aircraft, which will cause
serious injury in case of impact with
a person or animal.
NEVER y 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
y your aircraft close to people or
built up areas.