Black Horce Model SUKHOI31 Instruction Manual Book Download Page 1

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SPECIFICATION

Wingspan : 1,400 mm 55 in.
Length : 1,250 mm 49 in.
Weight : 2.6 kg 5.72 Lbs.
Radio : 04 channels.
Servo : 05 servos.
Engine : 46 2 Stroke.

52-70 4 Stroke.

Instruction Manual book

Made in Vietnam.

Summary of Contents for SUKHOI31

Page 1: ...SPECIFICATION Wingspan 1 400 mm 55 in Length 1 250 mm 49 in Weight 2 6 kg 5 72 Lbs Radio 04 channels Servo 05 servos Engine 46 2 Stroke 52 70 4 Stroke Instruction Manual book Made in Vietnam...

Page 2: ...read 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...

Page 3: ...ments from behind the propeller only Do not reach around the spin ning propeller SAFETY PRECAUTION 1 Install the rubber grommets and brass eyelets onto the aileron servo 2 Using a modeling knife remov...

Page 4: ...tray with aileron servo into the wing as same as picture below Servo tray Wing Repeat the procedure for the other wing half 3x40mm Nilon control clasp M3 lock nut Control horn ofAileron INSTALLING TH...

Page 5: ...diameter the aileron using the control horn as a guide and screw the control horn in place 1 Using a ruler pen to draw a straight line as below picture 2 Locate nylon control horn nylon con trol horn...

Page 6: ...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...

Page 7: ...ate the aluminium wing dihedral brace 2 Using a modeling knife remove the cov ering wing 3 Test fit the dihedral brace into each wing half The brace should slide in easily Remove covering Epoxy glue A...

Page 8: ...SUKHOI 31 Instruction Manual 8 INSTALLING THE ENGINE MOUNT See pictures below cut INSTALLING THE ENGINE MOUNT 3x20mm 4x25mm...

Page 9: ...fe 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 When the stopper assembly is installed in the tank the top of the vent tu...

Page 10: ...vided INSTALLING THE ENGINE Do not secure the tank into place perma nently until after balancing the airplane You may need to remove the tank to mount the battery in the fuel tank compartment Blow thr...

Page 11: ...SUKHOI 31 INSTRUCTION MANUAL 11 Pushrod wire 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 110mm Secure...

Page 12: ...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 4 Install the muffler and muf...

Page 13: ...e tray using the mounting screws provided with your radio sys tem ELEVATOR INSTALLATION Elevator servo 2 Draw a center line onto the horizontal stabilizer Then slide the horizontal into the fuselage R...

Page 14: ...pins or masking tape 6 After the epoxy has fully cured re move 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...

Page 15: ...SUKHOI 31 INSTRUCTION MANUAL 15 Control horn of elevator Drill 1 hole with 6 mm diameter 3mm x 40mm M3 lock nut Nilon control clasp elevator control horn Pen Bottom side...

Page 16: ...31 Instruction Manual 16 C A glue C A glue ELEVATOR PUSHROD INSTALLATION Elevator pushrod install as same as the way of aileron pushrod Elevator control horn Elevator pushrod C A glue Top side Bottom...

Page 17: ...SUKHOI 31 INSTRUCTION MANUAL 17 Snap keeper VERTICAL INSTALLATION C A glue Cut Bend Elevator servo Bend and cut after Rudder servo...

Page 18: ...e film not the balsa rudder 3 Mark the shape of the vertical on the left and right side on the rudder using a felt tip pen 5 Put the vertical stabilizer back in place Using a triangle check to ensure...

Page 19: ...ements 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 befor...

Page 20: ...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 Connec tor C A glue 1...

Page 21: ...itch 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 be...

Page 22: ...SUKHOI 31 Instruction Manual 22 1 Assemble and mounting the wheel pants as shown in the following pictures Drill a hole Trim MAIN GEAR INSTALATION PARTS REQUIRED Battery...

Page 23: ...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 MOUNTING THE TAIL WHEEL BRACKET 2 Us...

Page 24: ...SUKHOI 31 Instruction Manual 24 WING ATTACHMENT See picture wing attach to fuselage Installing the fuselage hatch as same as pic ture below Mark point Wing bolt Secure Insert Remove covering...

Page 25: ...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 f...

Page 26: ...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 insid...

Page 27: ...SUKHOI 31 INSTRUCTION MANUAL 27...