arf BH67, Instruction Manual

Page 1: ...Control 60A Electric Motor AXI 2826 10 Battery 4 5 Cells Li Poly 14 8 18 5v 5 000 mAh 20c SPECIFICATION Made in Vietnam Wingspan 1 580mm 62 20 in Length 1 265 mm 49 81in Weight 2 5kg 5 50lbs Parts Listing required not included Radio 4 channels Servo 5 servos Glow Engine 46 55 cu in 2 stroke ...

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: ... the propeller Do not start the engine if people are near Do not stand in line with the side of the propel ler Make engine 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 wing dihedral brace E Vertical stabilizer REPLACEMENT SMALL PARTS 1 Install the r...

Page 4: ... with the servo Install servo into ai leron servo tray as same as picture below Bottom side Remove covering Servo tray 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 re move the masking tape and the servo lead from the thread Secure Thread Electric wire 5 Instal servo tray with ...

Page 5: ...ol horn of Aileron 1 Using a ruler pen to draw a straight line as below picture 3 Drill through 6mm diameter the aileron using the control horn as a guide and screw the control horn in place 2 Locate nylon control horn nylon con trol horn backplates Bottom side Bottom side Drill a hole 6mm diameter Nilon control clasp M3 lock nut 3x35mm ...

Page 6: ...nkage for now thread one clevis onto one of the threaded wires INSTALLING THE AILERON LINKAGES 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 M2 lock nut M2 clevis Snap keeper Bend and cut after ...

Page 7: ... degree bend down at the mark made Cut off the ex cess wire leaving about 4mm beyond the bend 6 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 and remove the masking tape from the aileron Bottom side Top side INSTALLING THE ENGINE MOUNT THERE ARE TWO OPTIONS 1 ELECTRIC MOTOR ...

Page 8: ...ANGEL ITEM CODE BH67 Instruction Manual 8 2 OPTION 2 ENGINE MOUNT 4 x 25mm Secure Tie wrap Tie wrap ...

Page 9: ...ing using a modeling knife If flashing is present make sure none of it falls into the tank 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 muffler Vent tube Fuel fill tube Fuel pick up tube 6 When satisfied with the alignment of the stopper assembly tighten the 3mm x 20mm machine screw until the rubber stopper ex pands...

Page 10: ...as 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 105mm Secure Drill a hole 2mm diameter 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 e...

Page 11: ...3 x 20mm Secure Pushrod wire NOSE GEAR INSTALLATION Steering arm 4 x 30mm Adjust the nose gear steering arm until the arm is parallel with the fire wall Installing steering arm as follow Right side Removecovering Right side Right side Right side ...

Page 12: ...Instruction Manual 12 Secure Right side Left side COWLING 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 Trim and cut after Right side Steering arm ...

Page 13: ...ffler and muffler extension onto the engine and make the cutout in the cowl for muffler clearance Connect the fuel and pressure lines to the carburetor muffler and fuel filler valve 3 Slide the cowl back over the engine and secure it in place using four wood screws See picture below 3 x 12mm Right side Machine screw Front view Left side Install the spinner backplate propeller and spinner cone The ...

Page 14: ... center of one servo arm enlarge the hole in the servo arm using a 2mm drill bit to accommodate the servo connector Remove the excess mate rial from the arm After installing the adjustable metal con nector apply a small drop of thin C A to the bottom nut This will prevent the con nector from loosening during flight Servo arm Connector 1 Assemble and mounting the wheel pants as shown in the followi...

Page 15: ...TOR INSTALLATION 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 Secure Cut Throttle servo C A glue C A glue C A glue ...

Page 16: ...ering it s self Cutting into the balsa structure may weaken it This could lead to possible fail ure during flight Removecovering C A glue See pictures below 1 Draw a center line onto the horizontal stabilizer Then slide the horizontal into the fuselage 2 Using a modeling knife cut away the covering from the fuselage for the stabilizer and remove it 3 Mark the shape of the vertical on the left and ...

Page 17: ...aper towel and rubbing alcohol and hold the stabi lizer in place with T pins or masking tape C A glue 6 After the epoxy has fully cured remove the masking tape or T pins used to hold the stabilizer in place and carefully inspect the glue joints Use more epoxy to fill in any gaps that were not filled previously and clean up the excess using a paper towel and rubbing alcohol Bottom side C A glue C A...

Page 18: ...ANGEL ITEM CODE BH67 Instruction Manual 18 Elevator pushrod Elevator pushrod Secure Cut Drill a hole 6 mm diameter ...

Page 19: ...ANGEL ITEM CODE BH67 INSTRUCTION MANUAL 19 Cut Bend and cut after VERTICAL INSTALLATION Rudder servo install as same as method of elevator servo See picture below Elevator servo C A glue ...

Page 20: ...overing 3 Mark the shape of the vertical on the left and right side on the rudder using a felt tip pen 2 Slide the rudder into the fuselage as same as picture below C A glue Hingle slot C A glue C A glue 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 ...

Page 21: ...the 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 Epoxy glue Rudder control horn instal...

Page 22: ...ANGEL ITEM CODE BH67 Instruction Manual 22 Elevator pushrod Elevator pushrod Rudder pushrod Secure Bend and cut after ...

Page 23: ...nto 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 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 3 Position the battery pack and receiver behind the fuel tank Use two tie wraps to hold the battery and r...

Page 24: ... 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 fits prop erly 2 Attach the aluminium tube into the fuselage See picture wing attach to fuselage Installing the fuselage hatch as same as pic ture below WING ATTACHMENT Wing bolt ...

Page 25: ...iment by shifting the balance up to 10mm forward or back to change the flying characteristics Mov ing 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 difficult to slow down for landing Mov ing the balance aft makes the model more agile with a lighter and snappier feel In any case please start at the location we...

Page 26: ...m down Rudder 15mm right 15mm left 1 Completely charge your transmitter and receiver batteries before your first day of fly ing 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...