arf CORSAR, Instruction Manual Book

Page 1: ...SPECIFICATION Wingspan 1 760 mm 69 29 in Length 1 320 mm 51 97 in Weight 4 4 kg 9 68 Lbs Radio 06 channels Servo 08 servos Engine 91 120 4troke Instruction Manual book Made in Vietnam ...

Page 2: ...T 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 p...

Page 3: ...irection 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 work which you have to carry out is important and must be done carefully The model will only be...

Page 4: ...N 10 11 7 4 1 2 8 9 3 5 6 2 Tail gear 1 Fuel tank 4 Strut sets 6 Air cool plastic parts 5 Wheels 7 Antenna 8 Bag with all of the connectors and t fittings as a set 9 Air operated switch value 10 Plywood cover air tank 3 Plastic parts for pushrod 11 Airline Top side Aileron Flap Flap Flap C A glue C A glue C A glue C A glue 4 Aileron Flap Flap Flap Bottom side ...

Page 5: ...each of the four mounting screws provided with the servo 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 re move the masking tape and the servo lead from the thread 5 Instal servo tray with aileron servo into the wing as same as picture below 2x10mm Secure Electric wire Thread ...

Page 6: ...CORSAIR 91 Item code BH77 Instruction Manual 6 3mm x 40mm Nilon control clasp M3 lock nut 2 INSTALLING THE AILERON CONTROL HORN Aileron control horn Remove covering ...

Page 7: ...tem code BH77 INSTRUCTION MANUAL 7 Installing the aileron linkages as pictures below Elevator control horn 3 INSTALLING THE AILERON LINKAGES C A glue C A glue 2 INSTALLING THE FLAP SERVO 2x10mm M3 M3 lock nut 80mm ...

Page 8: ...CORSAIR 91 Item code BH77 Instruction Manual 8 Mark point Mark point Secure Secure ...

Page 9: ...CORSAIR 91 Item code BH77 INSTRUCTION MANUAL 9 INSTALLING THE FLAP CONTROL HORN Thread Electric wire Thread 2x10mm Nilon control clasp Flap Removecovering ...

Page 10: ...nstruction Manual 10 Installing the aileron linkages as pictures below INSTALLING THE FLAP LINKAGES Control horn of the flap Repeat the procedure for the other wing half INSTALLING AIR RETRACTABLE LANDING GEAR M3 M3 lock nut 50mm ...

Page 11: ...CORSAIR 91 Item code BH77 INSTRUCTION MANUAL 11 Secure Secure ...

Page 12: ... wing dihedral brace WING ATTACHMENT Test fit the aluminium tube 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 Aileron Flap Bottom Top side R e m o v e covering ...

Page 13: ...CORSAIR 91 Item code BH77 INSTRUCTION MANUAL 13 Drill a hole 4mm diameter Secure 4 x 30mm Drill a hole 3mm diameter Secure Top side Bottom side Bottom side ...

Page 14: ...d by how the weighted clunk should rest about 8mm away from the rear of the tank and move freely inside the tank Connect one end of the line to the weighted clunk and the other end to the nylon pick up tube in the stop per 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 4 Carefully bend the third nylon tube dow...

Page 15: ...ewall 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 Secure Blow through one of the lines to ensure the fuel lines have not become kinked inside the fuel tank compartment Air should flow through easily 9 To secure the fuel tank in place apply a bead...

Page 16: ...ottle 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 Mark poin Drill a hole 4mm diameter Fuel tank Battery 130mm ...

Page 17: ...lage COWLING 3 Slide the cowl back over the engine and secure it in place using four wood screws See picture below 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 t...

Page 18: ...e lines to the carburetor muffler and fuel filler valve Left side Right side 3 x 12mm Left side Trim and cut Right side Secure 1 Install one adjustable metal connector through the third hole out from the 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 INSTALLING THE THROTTLE PUSHROD ...

Page 19: ...Mount the servo to the tray using the mounting screws provided with your radio sys tem ELEVATOR INSTALLATION SERVO INSTALLATION 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 Connector Cut Servo arm Throttle servo Secure servo throttle Elevator servo ...

Page 20: ... the covering from the fuselage for the stabilizer and remove it C A glue C A glue 1 Draw a center line onto the horizontal stabilizer Then slide the horizontal into the fuselage 3 Mark the shape of the vertical on the left and right sides onto the horizontal stabilizer using a left tip pen Remove covering center line ...

Page 21: ...e any excess epoxy us ing a paper towel and rubbing alcohol and hold the stabilizer in place with T pins or masking tape 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 until the stabilizer is paralell to the wing Epoxy glue 5 When you are sure that everything is aligned correctly mix up a generous amount of 30 mi...

Page 22: ...lly 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 C A glue C A glue Elevator control horn install as same as the way of aileron control horn Please see pic tures below ELEVATOR CONTROL HORN INSTALLATION 3 x 40mm Nilon control clasp M3 lock nut R e m o v e covering ...

Page 23: ... 91 Item code BH77 INSTRUCTION MANUAL 23 Pushrod install as same as method of pushrod wing See pictures below ELEVATOR PUSHROD INSTALLATION R e m o v e covering M2 M2 lock nut Elevator pushrod Elevator pushrod ...

Page 24: ...IR 91 Item code BH77 Instruction Manual 24 Secure Secure Cut VERTICAL INSTALLATION Rudder servo install as same as method of elevator servo See picture below Bend and cut after Elevator pushrod Rudder servo ...

Page 25: ... using a felt tip pen Mark point 3 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 Also carefully remove the covering from the horizontal fin as below the lines which you drew as same picture below ...

Page 26: ...Removecovering Removecovering 5 Put the vertical stabilizer back in place Using a triangle check to ensure that the vertical stabilizer is aligned 90 de gree to the horizontal stabilizer 90º Vertical Stabilizer Horizontal Stabilizer Epoxy glue Epoxy glue Epoxy glue ...

Page 27: ...CORSAIR 91 Item code BH77 INSTRUCTION MANUAL 27 C Aglue C Aglue MOUNTING THE TAIL WHEEL BRACKET ...

Page 28: ...CORSAIR 91 Item code BH77 Instruction Manual 28 Epoxy glue C Aglue ...

Page 29: ...CORSAIR 91 Item code BH77 INSTRUCTION MANUAL 29 C Aglue Secure Secure ...

Page 30: ...CORSAIR 91 Item code BH77 Instruction Manual 30 Cut C A glue Rudder pushrod ...

Page 31: ...CORSAIR 91 Item code BH77 INSTRUCTION MANUAL 31 INSTALLING SERVO USING FOR VALUE CONTROL Value control Secure ...

Page 32: ...CORSAIR 91 Item code BH77 Instruction Manual 32 ...

Page 33: ...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 Cut Secure C A glue C A glue INSTALLING THE SWITCH INSTALLING AIR TANK ...

Page 34: ...ug 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 Do not permanently secure the receiver and battery until after balancing the model 3 Position the battery pack and receiver behind the fuel tank Use two tie wraps to hold the battery and receiver securely in...

Page 35: ...CORSAIR 91 Item code BH77 INSTRUCTION MANUAL 35 See picture wing attach to fuselage Installing the fuselage hatch as same as pic ture below Wing bolt Cut C A glue ...

Page 36: ...cated 107mm back from the leading edge This is the balance point at which your model should balance for your first flights Later you may wish to experiment by shifting the balance up to 10mm forward or back to change the flying characteristics Moving the balance forward may improve the smooth ness and arrow like tracking but it may then require more speed for take off and make it more difficult to...

Page 37: ... 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 Properly balance the propeller We wish you many safe and enjoy able flights with your CORSAIR 91 PRE FLIGHT CHECK ...