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AT.6-TEXAN - 

ITEM CODE: BH75

              

                    

INSTRUCTION MANUAL

31

 

  

  

1.  Set the tail wheel assembly in place

on the 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.

 

  

  

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.

Elevator servo

Rudder servo

Throttle servo

C/A glue

3mm x 12mm

MOUNTING THE TAIL WHEEL

BRACKET.

 

  

  

3.  Secure the tail wheel bracket in place

using  three 3mm x 12mm wood screws.  Be
careful not to overtighten the screws.

Mark point

Secure

Summary of Contents for AT.6-TEXAN

Page 1: ...SPECIFICATION Wingspan 1 830 mm 72 05 in Length 1 250 mm 49 21 in Weight 3 8 kg 8 36 Lbs Radio 06 channels Servo 08 servos Engine 61 2 stroke 91 4 stroke 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 aircraft and to protect the table Keep a couple of jars or bowls handy to hold the small parts after you open the bag Please trial fit all the pa...

Page 3: ...y in the opposite direction 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...

Page 4: ...TEXAN ITEM CODE BH75 Instruction Manual 4 C A glue C A glue C A glue INSTALLING THEAILERON SERVO Aileron C A glue Top side Aileron Flap Flap Aileron Bottom side INSTALLING THE AILERON FLAP SERVO CONTROL HORN ...

Page 5: ... A glue C A glue C A glue C A glue 1 Install the rubber grommets and brass eyelets onto the aileron servo 2 Using a modeling knife remove the cov ering servo tray INSTALLING THE AILERON SERVO Aileron Flap Aileron Bottom side Servo tray Removecovering ...

Page 6: ...he four mounting screws provided with the servo Install servo into ai leron servo tray as same as picture below 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 Mark point Thread Electric wire 2x10mm Secure INSTALLING THE...

Page 7: ...move covering Repeat the procedure for the other wing half Installing the aileron linkages as pictures below INSTALLING THE AILERON LINKAGES M3 M3 lock nut Install aileron control horn as same as picture below Aileron control horn Control horn of the aileron ...

Page 8: ...TEXAN ITEM CODE BH75 Instruction Manual 8 2x10mm Thread Electric wire Flap Bottom side INSTALLING THE FLAP SERVO INSTALLING THE FLAP CONTROL HORN Nilon control clasp 3 x 40mm M3 lock nut Flap Removecovering ...

Page 9: ...nstalling the aileron linkages as pictures below INSTALLING THE FLAP LINKAGES Control horn of the flap INSTALLING AIR RETRACTABLE LANDING GEAR AIR RETRACTS SYSTEM INSTALLATION Bottom side Repeat the procedure for the other wing half Aileron Flap Bottom of left wing Bottom of right wing 3 x 15mm ...

Page 10: ...AT 6 TEXAN ITEM CODE BH75 Instruction Manual 10 3 x 15mm Mark point Secure Secure Secure ...

Page 11: ...AT 6 TEXAN ITEM CODE BH75 INSTRUCTION MANUAL 11 Secure Bottom side 3 way connector valve one way Valve control Top side ...

Page 12: ...AT 6 TEXAN ITEM CODE BH75 Instruction Manual 12 ...

Page 13: ...6 TEXAN ITEM CODE BH75 INSTRUCTION MANUAL 13 control valve Secure Secure Cut Air supply Valveoneway 3wayconnector Air tank Vavle control 3wayconnector 3wayconnector Right main gear wing Left main gear wing ...

Page 14: ...AT 6 TEXAN ITEM CODE BH75 Instruction Manual 14 Locate the aluminium wing dihedral brace Left side Top right side WING ATTACHMENT Bottom side Right side Top side ...

Page 15: ...ter Secure Drill a hole 3mm diameter Top left side Secure Bottom side 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 3 x 40mm Top side ...

Page 16: ...the tank and move freely inside the tank Connect one FUEL TANK 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 down at a 45 degree angle using a cigarette lighter This tube wil...

Page 17: ... the front of the tank should just about touch the back of the firewall 7 Using a modeling knife 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 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 5 Test fit the stopper assembly into ...

Page 18: ...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 130mm Mark point INSTALLING THE ENGINE Pushrod wire Drill a hole 4mm diameter ...

Page 19: ... 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 4 Install the muffler and muffler extension onto the engine and make the cutout in the cowl for muffler clearance Connect the fuel and pressure lines to...

Page 20: ...le 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 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 Throttle servo Connector Servo arm Secure Cut ...

Page 21: ...llets into the elevator servo Test fit the servo into the servo tray 2 Mount the servo to the tray using the mounting screws provided with your radio sys tem ELEVATOR INSTALLATION SERVO INSTALLATION HORIZONTAL STABILIZER See pictures below Top side Throttle pushrod C A glue C A glue C A glue ...

Page 22: ... sides onto the horizontal stabilizer using a left tip pen 4 Remove the stabilizer Using the lines you just drew as a guide carefully remove the covering from between them using a modeling knife When cutting through the covering to remove 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 fail ure d...

Page 23: ...tabilizer in place with T pins or masking tape 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 6 After th...

Page 24: ...truction Manual 24 Elevator control horn 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 control horn Elevator control horn Bottom side ...

Page 25: ...AT 6 TEXAN ITEM CODE BH75 INSTRUCTION MANUAL 25 C A glue Secure Bend and cut after Cut Bottom side E l e v a t o r pushrod E l e v a t o r pushrod ...

Page 26: ...AT 6 TEXAN ITEM CODE BH75 Instruction Manual 26 Secure VERTICAL INSTALLATION Rudder servo install as same as method of elevator servo See picture below C A glue C A glue Elevator servo Elevator pushrod ...

Page 27: ...y cure before proceed ing 2 Mark the shape of the vertical on the left and right side of the rudder on to the horizon tal stabilizer using a felt tip pen 1 Put the rudder into the fuselage as same as picture below 3 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 Mark point 4 Now remove the r...

Page 28: ... knife cut away the covering from the end of fuselage for the rud der hinge C A glue C A glue Epoxy glue Epoxy glue Rudder control horn install as same as the way of aileron control horn Please see pic tures below RUDDER CONTROL HORN INSTALLA TION 3mm x 40mm Nilon control clasp M3 lock nut ...

Page 29: ...AT 6 TEXAN ITEM CODE BH75 INSTRUCTION MANUAL 29 Aileron control horn Remove covering ...

Page 30: ...AT 6 TEXAN ITEM CODE BH75 Instruction Manual 30 Removecovering RUDDER PUSHROD INSTALLATION C A glue ...

Page 31: ...ket 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 Elevator servo Rudder servo Throttle servo C A glue 3mm x 12mm MOUNTING THE TAIL WHEEL BRACKET 3 Secure the tail wheel bracket in place using three 3mm x 12mm wood screws Be careful not to overtighten the screws Mar...

Page 32: ...er 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 place as pictures below 1 Cut out the switch hole using a modeling knife Use a 2mm drill bit and drill out the two mounting holes through the ...

Page 33: ...AT 6 TEXAN ITEM CODE BH75 INSTRUCTION MANUAL 33 battery Remove covering See picture wing attach to fuselage Installing the fuselage hatch as same as pic ture below Wing bolt Insert and secure ...

Page 34: ...AT 6 TEXAN ITEM CODE BH75 Instruction Manual 34 C A glue C A glue C A glue Cut ...

Page 35: ...on both sides of the fuselage The balance point is located 77mm 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 m...

Page 36: ...recommend setting up a plane using the control throws listed 2 The control throws should be meas ured at the widest point of each control sur face 3 Check to be sure the control surfaces move in the correct directions Ailerons 15mm up 15mm down Flap 25mm down Elevator 15mm up 15mm down Rudder 20mm right 20mm left Lift the model If the tail drops when you lift the model is tail heavy and you must a...

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