Black Horse Model BH73 Instruction Manual Book Download Page 1

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Instruction Manual book

Electric Motor: AKMS 4120/05 QuanTum.

Battery: 4-5 Cells.

SPECIFICATION

Made in Vietnam.

Wingspan : 1,800mm. 70.87 in.
Length : 1,350 mm. 53.15in.
Weight : 3.6kg. 7.92lbs.

Parts Listing required (not included).

Glow Engine : 55-61 2 stroke.

91 4 stroke.

Summary of Contents for BH73

Page 1: ...ctric Motor AKMS 4120 05 QuanTum Battery 4 5 Cells SPECIFICATION Made in Vietnam Wingspan 1 800mm 70 87 in Length 1 350 mm 53 15in Weight 3 6kg 7 92lbs Parts Listing required not included Glow Engine...

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 w...

Page 3: ...ne adjustments from behind the propeller only Do not reach around the spin ning propeller SAFETY PRECAUTION REPLACEMENT LARGE PARTS B Wing panel C Fuselage A Cowling D Horizon stabilizer F Aluminium w...

Page 4: ...RYAN 61 Item code BH73 Instruction Manual 4 C A glue C A glue C A glue C A glue C A glue C A glue C A glue Flap Aileron Bottom side Flap Aileron Bottom side Flap Aileron...

Page 5: ...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 sho...

Page 6: ...RYAN 61 Item code BH73 Instruction Manual 6 Aileron control horn Remove covering C A glue Flap Aileron...

Page 7: ...ocedure for the other wing half Installing the aileron linkages as pictures below 3 INSTALLING THE AILERON LINKAGES M3 M3 lock nut Aileron control horn C A glue II FLAP 1 INSTALLING THE FLAP SERVOS Fl...

Page 8: ...RYAN 61 Item code BH73 Instruction Manual 8 C A glue 2 INSTALLING THE FLAP CONTROL HORN 3mm x 40mm Nilon control clasp M3 lock nut C A glue Removecovering Flap Flap control horn...

Page 9: ...alling the aileron linkages as pictures below 3 INSTALLING THE FLAP LINKAGES M3 M3 lock nut C A glue Repeat the procedure for the other wing half PARTS REQUIRED MAIN GEAR INSTALATION Flap Bottom side...

Page 10: ...RYAN 61 Item code BH73 Instruction Manual 10 Mark point Secure cut Mark point Secure...

Page 11: ...RYAN 61 Item code BH73 INSTRUCTION MANUAL 11 Secure 3 x 10mm Secure Drill a hole 2mm diameter Drill a hole 2mm diameter...

Page 12: ...Manual 12 1 Locate the aluminium wing dihedral brace 2 Using a modeling knife remove the cov ering wing Repeat the procedure for the other wing half Secure Remove covering JOINING THE WING HALVES Rig...

Page 13: ...Secure Epoxy glue Drill a hole 3mm diameter Secure Apply masking tape THERE ARE TWO OPTIONS 1 ELECTRIC MOTOR 2 ENGINE MOUNT 1 OPTION 1 ELECTRIC MOTOR Masking tape Bottom side Masking tape Masking tape...

Page 14: ...RYAN 61 Item code BH73 Instruction Manual 14 C A glue 4 x 12mm Secure Epoxy glue C A glue...

Page 15: ...RYAN 61 Item code BH73 INSTRUCTION MANUAL 15 Secure 3 x 12mm Cut Tie wrap...

Page 16: ...RYAN 61 Item code BH73 Instruction Manual 16 Cut 2 ENGINE MOUNT INSTALLING ENGINE MOUNT Drill a hole 5mm diameter 3 5x25mm 4x25mm...

Page 17: ...ank 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 8 Feed three lines through the fue...

Page 18: ...nt Fuel tank Fuel tank tray C A glue 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...

Page 19: ...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 ta...

Page 20: ...t side Right side Left side Right side Trim and cut after Front view Install the spinner backplate propeller and spinner cone The spinner cone is held in place using two 3mm x 12mm wood screws INSTALL...

Page 21: ...the con nector from loosening during flight Servo arm Connector INSTALLING THE THROTTLE PUSHROD Throttle servo Secure Throttle pushrod SERVO INSTALLATION ELEVATOR INSTALLATION 2 Mount the servo to the...

Page 22: ...weaken it This could lead to possible failure dur ing flight Remove covering Remove covering 6 When you are sure that everything is aligned correctly mix up a generous amount of 30 minute epoxy Apply...

Page 23: ...tical on the left and right side of the rudder on to the horizon tal stabilizer using a felt tip pen 3 Now remove the rudder and using a modeling knife carefully cut just inside the marked lines and r...

Page 24: ...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 ep...

Page 25: ...RYAN 61 Item code BH73 INSTRUCTION MANUAL 25 C A glue C A glue C A glue C A glue C A glue C A glue...

Page 26: ...RYAN 61 Item code BH73 Instruction Manual 26 INSTALLING THE ELEVATOR CONTROL HORN Control horn ofAileron Nilon control clasp M3 lock nut 3 x 40mm Remove covering...

Page 27: ...TRUCTION MANUAL 27 M2 M2 lock nut Elevator and rudder pushrod install as same as the way of aileron pushrod ELEVATOR AND RUDDER PUSHROD INSTALLATION Elevator pushrod Elevator pushrod Elevator pushrod...

Page 28: ...wheel bracket should be centered on the plywood plate 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 3 Se...

Page 29: ...ON MANUAL 29 Using a modeling knife cut away the cover ing from the end of fuselage for the rudder hinge Hinge slot C A glue C A glue Right side Left side Remove covering Rudder Control horn Nilon con...

Page 30: ...RYAN 61 Item code BH73 Instruction Manual 30 Rudder pushrod Elevator pushrod Elevator pushrod...

Page 31: ...the radio system INSTALLING THE SWITCH 2 Wrap the receiver and battery pack in the protective foam to protect them from vi bration Use a rubber band or masking tape to hold the foam in place INSTALLI...

Page 32: ...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...

Page 33: ...RYAN 61 Item code BH73 INSTRUCTION MANUAL 33 Plastic top fuselage Cut Removecovering Mark point C A glue C A glue Wing struts Remove covering 3 x 15mm...

Page 34: ...asking tape place them on the top side of the wing 80mm back from the leading edge at the fuselage sides 3 Turn the airplane upside down Place your fingers on the masking tape and care fully lift the...

Page 35: ...y changing the position of the receiver bat tery and receiver If you are unable to obtain good balance by doing so then it will be nec essary to add weight to the nose or tail to achieve the proper ba...

Page 36: ...RYAN 61 Item code BH73 Instruction Manual 36...

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