Black Horce Model BH56 Instruction Manual Book Download Page 20 | Manualshive

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20

P-40C TOMAHAWK.

HORIZONTAL STABILIZER INSTALLATION.

C/A glue

C/A glue

C/A glue



1) Using a modeling knife, cut away the

covering from the fuselage for the stabilizer
and remove it.

Horizontal stabilizer installation.

See picture below.

C/A glue

Battery



2. Mount the servo to the tray using the

mounting screws provided with your radio sys-
tem.



1. Install the rubber grommets and brass

collets into the elevator servo. Test fit the servo
into the servo tray.

ELEVATOR INSTALLATION.

SERVO INSTALLATION.

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Summary of Contents for BH56

Page 1: ...TION Wingspan 1 660 mm 65 35 in Length 1 420 mm 55 91 in Weight 3 8 kg 8 36 Lbs Radio 06 channels Servo 08 servos Engine 75 Cu in 2 Stroke 91 Cu in 4 Stroke Instruction Manual book Made in Vietnam ITEMCODE BH56 ...

Page 2: ...ls 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 parts Make sure you have the c...

Page 3: ...rea 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 Creas...

Page 4: ...4 P 40C TOMAHAWK 1 Install the rubber grommets and brass eyelets onto the aileron servos INSTALLING THE AILERON SERVOS Bottom of wing C A glue C A glue C A glue C A glue C A glue ...

Page 5: ...ing 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 re move the masking tape and the servo lead from the thread 2 Using a modeling knife remove the cov ering at possition show below C A glue C A glue C A glue Remove covering ...

Page 6: ...HE AILERON CONTROL HORN Aileron servo tray Servo wire Thread 5 Instal servo tray with aileron servo into the wing as same as picture below Secure 3mm x 40mm Nilon control clasp M3 lock nut 2x10mm aileron control horn Removecovering ...

Page 7: ...he threaded wires 2 Attach the clevis to the outer hole in the control horn 3 Plug the aileron servo into the receiver and center the servo Install the servo arm onto the servo The servo arm should be perpen dicular to the servo and point toward the mid dle of the wing INSTALLING THE AILERON LINKAGES ...

Page 8: ...he aileron 4 Locate one nylon servo arm and using wire cutters remove all but one of the arms Using a 2mm drill bit enlarge the third hole out from the center of the arm to accommo date the aileron pushrod wire 5 Using pliers carefully make a 90 degree bend down at the mark made Cut off the ex cess wire leaving about 4mm beyond the bend M2 clevis M2 lock nut Snap keeper INSTALLING THE FLAP SERVOS ...

Page 9: ...9 P 40C TOMAHAWK 3mm x 40mm Nilon control clasp M3 lock nut INSTALLING THE FLAP CONTROL HORN Remove covering C A glue ...

Page 10: ...AWK INSTALLING RETRACTABLE LANDING GEAR INSTALLING THE AILERON LINKAGES Top of wing Remove covering Remove covering on the pre cut slot as picture Bottom of wing Aileron servo Flap servo Flap Aileron Remove covering ...

Page 11: ...11 P 40C TOMAHAWK C A glue Secure ...

Page 12: ...12 P 40C TOMAHAWK Mark point Drill a hole 2mm diameter Secure 3 x 12 mm Secure ...

Page 13: ...13 P 40C TOMAHAWK Secure Cut Trim and cut the fairings as pictures below Cut ...

Page 14: ...14 P 40C TOMAHAWK See pictures below INSTALLING THE ENGINE MOUNT C A glue Repeat the procedure for the other wing Cut ...

Page 15: ...e vent tube to the fueling valve 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 When the stopper assembly is installed in the tank th...

Page 16: ... and to the rear of the tank at the forward bulkhead 8 Feed three lines through the fuel tank compartment and through the pre drilled hole in the firewall 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 firewall 7 Using a modeling knife cut 3 lengths of fuel ...

Page 17: ... 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 Right side Mark point Secure 4x 30mm 13 cm Fuel tank Drill a hole 4mm diameter ...

Page 18: ... wire 1 Slide the fiberglass cowl over the en gine and line up the back edge of the cowl with the marks you made on the fuselage Left side Right side Machine screw COWLING Pushrod wire Left side Right side Trim and cut 3 x 10mm ...

Page 19: ... filler valve 2 While keeping the back edge of the cowl flush 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 firmly in place using pieces of masking tape INSTALLING THE SPINNER Install the spinner backplate propeller and spinner cone The spinner cone ...

Page 20: ...e for the stabilizer and remove it Horizontal stabilizer installation See picture below C A glue Battery 2 Mount the servo to the tray using the mounting screws provided with your radio sys tem 1 Install the rubber grommets and brass collets into the elevator servo Test fit the servo into the servo tray ELEVATOR INSTALLATION SERVO INSTALLATION ...

Page 21: ...ilizer using a left tip pen When cutting through the covering to re move it cut with only enough pressure to only cut through the covering it s self Cutting into the balsa structure may weaken it This could lead to possible failure during flight Bottom side Mark line 4 Remove the stabilizer Using the lines you just drew as a guide carefully remove the covering from between them using a modeling kn...

Page 22: ... Epoxy glue 5 When you are sure that everything is aligned correctly mix up a generous amount of 30 minute epoxy Apply a thin layer to the top and bottom of the stabilizer mounting area and to the stabilizer mounting platform sides in the fuselage Slide the stabilizer in place and re align Double check all of your measure ments one more time before the epoxy cures Remove any excess epoxy using a p...

Page 23: ... P 40C TOMAHAWK Elevator pushrod install as same as the way of aileron pushrod ELEVATOR PUSHROD INSTALLATION E l e v a t o r cotrol horn E l e v a t o r cotrol horn C A glue Top side C A glue Bottom side ...

Page 24: ...24 P 40C TOMAHAWK Snap keeper Cut Secure Secure Bend and cut after Elevator servo ...

Page 25: ...TICAL STABILIZER 1 Using a modeling knife cut away the covering from the end of fuselage for the rud der hinge 2 Put the rudder into the fuselage as same as picture below C A glue Hinge Hinge slot C A glue C A glue C A glue ...

Page 26: ...e 3 Mark the shape of the vertical on the left and right sides of the rudder using a left tip pen 4 Now remove the rudder and using a modeling knife carefully cut just inside the marked lines and remove the film of the rud der Just as you did with the horizontal stabi lizer make sure you only press hard enough to cut the film not the balsa rudder Mark line ...

Page 27: ... verti cal stabilizer mounting area Apply epoxy to the lower rudder hinge Set the stabilizer in place and re align Double check all of your measurements once more before the epoxy cures Remove any excess epoxy using a paper towel and rubbing alcohol and hold the stabilizer in place with T pins or masking tape Allow the epoxy to fully cure before proceed ing Rudder control horn install as same as t...

Page 28: ...28 P 40C TOMAHAWK Rudder control horn Remove covering Slot of the rudder pushrod 3 x 12mm Bottom of fuselage ...

Page 29: ...29 P 40C TOMAHAWK Rudder pushrod Rudder pushrod Push down Secure M2 lock nut M2 clevis Rudder pusrod ...

Page 30: ...30 P 40C TOMAHAWK Elevator pushrod Elevator pushrod Rudder pushrod C A glue Push Secure Rudder pushrod Rudder pushrod Bend and cut after Elevator servo Rudder servo ...

Page 31: ...ent the connector from loosening during flight Servo arm Connector PUSHROD THROTTLE SERVO INSTALLATION Secure 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 INSTALLING THE SWITCH Remove covering Throttle servo ...

Page 32: ...s to hold the battery and receiver securely in place as pictures below 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 INSTALLING THE RECEIVER Mark point 2 Wrap the receiver pack in the protec tive foa...

Page 33: ...tion the aluminium wing dihedral brace 2 Test fit the dihedral brace into each wing haft The brace should slide in easily If not use 220 grit sand down the edges and ends of the brace until it fits properly Drill a hole 3mm diameter 3 x 40mm Secure Right wing ...

Page 34: ...34 P 40C TOMAHAWK RETRACTABLE PUSHROD C A glue WING ATTACHMENT See picture wing attach to fuselage 2 5 m m Wing bolt Left wing Secure Left wing ...

Page 35: ...35 P 40C TOMAHAWK C u t Secure Installing the canopy as same as pic ture below Secure ...

Page 36: ... 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 1 We highly recommend setting up a plane using the control throws listed 2 The control t...

Page 37: ...37 P 40C TOMAHAWK ...

Page 38: ...38 P 40C TOMAHAWK ...

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