Black Horse Model BH48 Instruction Manual Book Download | Manualshive

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16

YAK 54 -

ITEM CODE: BH48

.

Instruction Manual

A+B Epoxy

PLUS glue.

Bottom side.

E l e v a t o r

pushrod

E l e v a t o r

pushrod

E l e v a t o r

pushrod

Cut the covering
away from the slot.

Rudder servo install as same as method of
elevator servo.

See picture below:

Rudder control horn install as same as the
way of aileron control horn. Please see pic-
tures below.

Control horn of Rudder.

RUDDER CONTROL HORN AND RUDDER

CABLE INSTALLATION.

Rudder servo

RUDDER SERVO NSTALLATION

Rudder servo

Control horn

Rudder.

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Summary of Contents for BH48

Page 1: ...CIFICATION Made in Vietnam Wingspan 170 cm 66 93 in Length 156 cm 61 42 in Weight 3 9 Kg 8 58 Lbs Engine 120 Two stroke 120 Four stroke Radio 6channels Servo 6 servos ITEM CODE BH48 Instruction Manual book ...

Page 2: ...pins Thread lock Paper towels Some more parts HARDWAREPACK COWLING Landing gear 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 air craft and to protect the table Keep a couple of jars or bowls handy to hold the small parts af ter you open the bag Please trial fit all the par...

Page 3: ...area and rub down with a soft cloth Wing warp Hold the panel twisted gently in the opposite direction to the warp 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 wo...

Page 4: ...RGE PARTS C Fuselage E Rudder D Horizontal stabilizer B Wings panel B1 B2 F Aluminium tube wing A Cowling K Pilot REPLACEMENT SMALL PARTS 3 Spinner 6 Fuel Tank 5 Wheels 2 Wheel pants 1 Aluminium landing gear 7 Tail gear 4 Plastic engine mount 5x45mm 5x45mm 20 ...

Page 5: ...ring 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 Drill 1 6mm pilot holes through the block of wood for each of the four mounting screws provided with the servo Thread Electric wire 1 Install the rubber grommets and ...

Page 6: ...as picture below A B Epoxy PLUS glue Drill a hole 3mm Installing the aileron linkages as pictures below 70mm 3x10 mm Secure 5 Instal servo tray with aileron servo into the wing as same as picture below Drill a hole 1 5mm diameter Secure Aileron Control horn Repeat the procedure for the other wing half 3 INSTALLING THE AILERON LINKAGES ...

Page 7: ...7 YAK 54 ITEM CODE BH48 Instruction Manual Repeat the procedure for the other wing half Secure INSTALLING THE ENGINE MOUNT See pictures below Bottom side 4x30mm 4x30mm Drill a hole 5mm diameter 4x12mm ...

Page 8: ...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 fitted onto the engine mount Fit the engine to the engine mount using the screws provided INSTALLING THE ENGINE Drill a hole 4mm diameter Mark point 128mm Secure ...

Page 9: ...date the servo connector Remove the excess mate rial from the arm INSTALLING THE THROTTLE PUSHROD Drill a hole 1 5mm Throttle servo Throttle Pushrod Cut 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 fro...

Page 10: ...ssembly into the tank It may be necessary to remove some of the flashing around the tank opening using a modeling knife If flashing is present make sure none of it falls into the tank 6 When satisfied with the alignment of the stopper assembly tighten the 3mm x 20mm machine screw until the rubber stopper ex pands and seals the tank opening Do not over tighten the assembly as this could cause the t...

Page 11: ...pe Drill 2mm hole Trim and cut Trim and cut 4 Install the muffler and muffler exten sion onto the engine and make the cutout in the cowl for muffler clearance Connect the fuel and pressure lines to the carburetor muf fler and fuel filler valve 3 Slide the cowl back over the engine and secure it in place using four wood screws See picture below COWLING 1 Slide the fiberglass cowl over the en gine a...

Page 12: ...e The spinner cone is held in place using two 3mm x 15mm wood screws INSTALLING THE SPINNER 1 Install the rubber grommets and brass collets into the elevator servo Test fit the servo into the servo tray 2 Mount the servo to the tray using the mounting screws provided with your radio system 3 x 15mm ELEVATOR SERVO INSTALLATION Elevator servo Drill a hole 2mm ...

Page 13: ...ge and place a mark Use a traingle and extend this mark from back to front across the top of the stabilizer Also extend this mark down the back of the trailing edge of the stabi lizer Then slide the horizontal stabilizerthe into the fuselage Top side Center line Check to mark sure the wing and stabi lizer are paralell If they are not lightly sand the opening in the fuselage for the stabilizer unti...

Page 14: ...rm sides in the fuselage Re move the covering from both the top and the bottom of the platform sides Remove covering Top side Bottom side A B Epoxy PLUSglue 4 Remove the stabilizer Using the lines you just drew as a guide carefully remove the covering from between them using a modeling knife Remove covering Mark line 1 Elevator control horn install as same as the way of aileron control horn Please...

Page 15: ...place with T pins or masking tape and remove any excess ep oxy using a paper towel and rubbing alcohol Epoxy glue Control horn of elevator Drill a hole3mm 3 After the epoxy has fully cured remove the masking tape or T pins used to hold the stabilizer in place Carefully inspect the glue joints Use more epoxy to fill in any gaps that may exist that were not filled previously and clean up the excess ...

Page 16: ...ring away from the slot Rudder servo install as same as method of elevator servo See picture below Rudder control horn install as same as the way of aileron control horn Please see pic tures below Control horn of Rudder RUDDER CONTROL HORN AND RUDDER CABLE INSTALLATION Rudder servo RUDDER SERVO NSTALLATION Rudder servo Control horn Rudder ...

Page 17: ...ed Rudder cable Bottom side Rudder cable Rudder cable Elevator pushrod Top side Rudder push pull cable 1 Set the tail wheel assembly in place on the plywood plate The pivot point of the tail wheel wire should be even with the rud der hinge line and the tail wheel bracket should be centered on the plywood plate 3x12mm MOUNTING THE TAIL WHEEL BRACKET ...

Page 18: ...llowing pictures 2 Using a pen mark the locations of the two mounting screws Remove the tail wheel bracket and drill 1mm pilot holes at the loca tions marked Secure Drill a hole 2mm Mark point 3 Secure the tail wheel bracket in place using three 3mm x 12mm wood screws Be careful not to overtighten the screws Drill a hole 2mm 4x20mm 5x45mm Secure ...

Page 19: ...ge 2 The holes in the landing gear should be to accept the mounting bolts INSTALLING THE MAIN LANDING GEAR Landing gear 3 Using the hardware provided mount the main landing gear to the fuselage Secure Bottom side 4x15mm 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 machi...

Page 20: ...e 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 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 a...

Page 21: ...TEM CODE BH48 Instruction Manual 3 Insert two wing panels as pictures be low Left side Secure See picture below INSTALLING COCKPIT FUSELAGE Epoxy glue Installing the canopy as same as picture below Secure C A glue ...

Page 22: ...o 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 th...

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