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L-39 ALBATROS  

Item code: BH141

 .                                          

 

Instruction Manual

We wish you many  safe and enjoy-

able flights with your 

L-39 ALBATROS.

Ailerons :   10 mm up     10 mm down

Flap      :     30 mm

Elevator :  12 mm up   12 mm down

Rudder :   15 mm right   15 mm left

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1) We highly recommend setting up a

plane using the control throws listed.

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

2) The control throws should be meas-

ured at the widest point of each control sur-
face.



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3) Check to be sure the control surfaces

move in the correct directions.

CONTROL THROWS.





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.



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3)  Double check the balance of the

airplane.

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4) Check the control surface.

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5) Check the receiver antenna . It should

be fully extended and not coiled up inside the
fuselage.

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6) Properly balance the propeller.

PRE-FLIGHT CHECK.

Flap control

Aileron control

Elevator control

Rudder control

  10 mm

   10mm

    12 mm

   12 mm

   30 mm

  15  mm

    15mm

Summary of Contents for L-39 Albatros BH 141

Page 1: ...in Length 1 860 mm 73 23 in Weight 4 3 4 6 kg 9 46 10 12 Lbs Radio 08 channels Servo 08 mini servos 3 servos retracts FUTABA S3170G EDF 90MM MIDI FAN EVO HET 650 68 2000 Battery 6S LIPO 22 2V 5 500 7...

Page 2: ...tape T pins Thread lock Paper towels Some more parts HARDWAREPACK Landing gear To avoid scratching your new airplane do not unwrap the pieces until they are needed for assembly Cover your workbench wi...

Page 3: ...are in the nature of film covered built up wooden structures and can easily be corrected using a heat gun as commonly used for modelling Creases Blow warm air over the area and rub down with a soft c...

Page 4: ...4 Wheels 1 Retract main gear 6 wire cable nose gear 2 Retract nose gear 3 Plastic parts of tail fuselage 5 Ply wood nose gear F Carbon tube Horizontal stabilizer B Wing panel B1 B2 A Fuselage C Horizo...

Page 5: ...ow 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...

Page 6: ...eat the procedure for the other wing half 5 Instal servo tray with aileron servo into the wing as same as picture below Installing the aileron linkages as pictures below INSTALLING THEAILERON CONTROLH...

Page 7: ...II FLAP 1 INSTALLING THE FLAP SERVO 2x10mm Flap Secure Electric wire Repeat the procedure for the other wing half Install flap control horn as same as picture below Control horn Flap 2 INSTALLING THE...

Page 8: ...procedure for the other wing half See pictures below Installing the flap linkages as pictures below 3 INSTALLING THE FLAP LINKAGES A B Epoxy PLUS glue Control horn of the flap 60 mm M2 Bottom side Fl...

Page 9: ...9 L 39 ALBATROS Item code BH141 Instruction Manual PARTS REQUIRED INSTALLING RETRACTABLE LANDING GEAR Bottom side Top side Retract servos 3x15mm 5x30mm connector...

Page 10: ...10 L 39 ALBATROS Item code BH141 Instruction Manual Secure Secure 3x15mm 5x30mm Secure See pictures below INSTALLING THE RETRACT PUSHROD...

Page 11: ...ALBATROS Item code BH141 Instruction Manual Cut 2x10mm Secure Repeat the procedure for the other gear See pictures below Not included INSTALLING ELECTRIC EDF 90MM Bottom side Open Bottom side retract...

Page 12: ...12 L 39 ALBATROS Item code BH141 Instruction Manual 3x 12mm Secure Left side A B Epoxy PLUS glue Plastic parts of tail fuselage...

Page 13: ...the mounting screws provided with your radio system Bottom side Elevator control horn install as same as the way of aileron control horn Please see pic tures below ELEVATOR CONTROL HORN INSTALLATION C...

Page 14: ...ame as the way of aileron pushrod Elevator control horn Right side E l e v a t o r pushrod Left side Right side Bottom side ELEVATOR PUSHROD INSTALLATION 60 mm M2 Horizontal stabilizer installation Se...

Page 15: ...LBATROS Item code BH141 Instruction Manual Epoxy glue Left side C A glue C A glue Left side Epoxy glue Right side VERTICAL INSTALLATION Top side Elevator pushrod Elevator pushrod Bottom side See pictu...

Page 16: ...install as same as the way of aileron control horn Please see pic tures below Control horn of Rudder RUDDER CONTROL HORN INSTALLA TION Rudder servo install as same as method of elevator servo See pict...

Page 17: ...ALBATROS Item code BH141 Instruction Manual RUDDER PUSHROD INSTALLATION Rudder pushrod install as same as the way of aileron pushrod 60mm Top side Rudder pushrod Epoxy glue C A glue Rudder pushrod To...

Page 18: ...code BH141 Instruction Manual Top side See picture below INSTALLING RETRACT SERVO NOSE GEAR See picture below INSTALLING RETRACT NOSE GEAR Retract servo nose gear Retract servo nose gear S e c u r e...

Page 19: ...19 L 39 ALBATROS Item code BH141 Instruction Manual Secure wire cable wire cable wire cable See picture below INSTALLING SERVO NOSE GEAR Servo nose gear Open Secure Retract pushrod nose gear...

Page 20: ...he receiver and battery until after balancing the model 1 Plug the servo leads and the switch lead into the receiver You may want to plug an aileron extension into the receiver to make plugging in the...

Page 21: ...code BH141 Instruction Manual INSTALLING COCKPIT FUSELAGE See picture below Top side Battery Receiver Receiver A B Epoxy PLus glue 1 Locate the carbon tube wing dihedral brace WING ATTACHMENT carbon t...

Page 22: ...22 L 39 ALBATROS Item code BH141 Instruction Manual 2 Attach the carbon tube into the fuselage Left wing 3 Insert two wing panels as pictures below Right wing Secure Secure Bottom side Bottom side...

Page 23: ...ce 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 ma...

Page 24: ...be sure the control surfaces move in the correct directions CONTROL THROWS 1 Completely charge your transmitter and receiver batteries before your first day of fly ing 2 Check every bolt and every glu...

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