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Black Horce Model YAK 55M Instruction Manual

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Instruction Manual book
SPECIFICATION

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 Wingspan :

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 Length
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:
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 Weight
:
 Radio

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
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:
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 Servo
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:
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 Engine
:
1,810 mm.
71.26 in.
1,600 mm.
62.99 in.
4.6kg.
10.12 lbs.
6 channels.
06 standard high torque servos.
30 cc gas
ITEM CODE: BH111
Made in Vietnam.

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Summary of Contents for Black Horce Model YAK 55M

  • Page 1 Instruction Manual book ITEM CODE: BH111 SPECIFICATION    Wingspan :   1,810 mm. 71.26 in.    Length   1,600 mm. 62.99 in.      Weight 4.6kg. 10.12 lbs.    Radio ...
  • Page 2 Instruction Manual ITEM CODE:BH111. This instruction manual is designed to help you build a great flying aeroplane. Please read this manual thoroughly before starting assembly of your YAK 55M. Use the parts listing below to identify all parts. WARNING. Please be aware that this aeroplane is not a toy and if assembled or used incorrectly it is capable of causing injury to people or property.

  • Page 3: Safety Precaution

    YAK 55 - Instruction Manual ITEM CODE:BH111. Caution: this model is not a toy! Caution! do not heat the film more than is If you are a beginner to this type of powered absolutely necessary. If the air or the iron is model, please ask an experienced model flyer too hot, the film may melt and holes may be for help and support.
  • Page 4 YAK 55 - Instruction Manual ITEM CODE:BH111. REPLACEMENT SMALL PARTS 3x12mm 3x12mm 3x15mm 1. Aluminium landing gear(Right &Left). 2. Wheels. 3. Spinner. 4. Fuel Tank. 5.Engine mount ply of wood . Aileron 6. Tail gear set. Bottom side   2) Using a modeling knife, remove the cov- ering at possition show below.

  • Page 5: Installing The Aileron Linkages

    YAK 55 - Instruction Manual ITEM CODE:BH111.   5. Instal servo tray with aileron servo into the wing as same as picture below. Aileron Drill a hole Control horn. 1.5mm diameter. 3.INSTALLING THE AILERON LINKAGES. Installing the aileron linkages as pictures below.

  • Page 6: Installing The Engine Mount

    YAK 55 - Instruction Manual ITEM CODE:BH111. INSTALLING THE ENGINE MOUNT. See pictures below: 4x12mm Drill a hole 4mm diameter. Secure INSTALLING THE ENGINE. See pictures below: 5x90mm Aileron Bottom side Repeat the procedure for the other wing half.

  • Page 7: Installing The Throttle Pushrod

    YAK 55 - Instruction Manual ITEM CODE:BH111. Secure Secure INSTALLING THE THROTTLE PUSHROD. 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 C u t servo connector.
  • Page 8 YAK 55 - Instruction Manual ITEM CODE:BH111. Secure. Left side. Secure. MAIN GEAR INSTALATION. PARTS REQUIRED Secure.  1) Assemble and mounting the wheel pants as shown in the following pictures. L a n d i n g gear. Secure...

  • Page 9: Installing The Stopper Assembly

    YAK 55 - Instruction Manual ITEM CODE:BH111.  2) A drop of C/A glue on the wheel collar screws will help keep them from coming lose during operation. Bottom side. Repeat the process for the other wheel. FUEL TANK. (tygon gas tubing not included) INSTALLING THE STOPPER ASSEMBLY Fuel pick- up tube Vent tube...
  • Page 10 YAK 55 - Instruction Manual ITEM CODE:BH111. Do not secure the tank into place perma- COWLING. nently until after balancing the airplane. You 1. Slide the fiberglass cowl over the en- may need to remove the tank to mount the gine and line up the back edge of the cowl with battery in the fuel tank compartment the marks you made on the fuselage.
  • Page 11 YAK 55 - Instruction Manual ITEM CODE:BH111. Top side Mark point. Left side. Drill a hole 2.5mm diameter. Drill a hole 2.5mm diameter. Secure. Mark point Secure.

  • Page 12: Installing The Spinner

    YAK 55 - Instruction Manual ITEM CODE:BH111. Secure. Machine screw. Front view. HORIZONTAL STABILIZER. ELEVATOR CONTROL HORN INSTALLATION. INSTALLING THE SPINNER. Elevator control horn install as same as the way of aileron control horn. Please see pic- Install the spinner backplate, propeller and tures below.

  • Page 13: Elevator Servo Installation

    YAK 55 - Instruction Manual ITEM CODE:BH111. Left side Secure. Secure. Elevator control horn Right side. Bottom side ELEVATOR SERVO INSTALLATION. 1. Install the rubber grommets and brass  collets into the elevator servo. Test fit the Drill a hole 3 mm servo into the servo tray.
  • Page 14 YAK 55 - Instruction Manual ITEM CODE:BH111. Secure. Left side. Right side. 9 mm 247 mm...

  • Page 15: Elevator Pushrod Installation

    YAK 55 - Instruction Manual ITEM CODE:BH111. Bottom side. Elevator pushrod Elevator pushrod RUDDER SERVO NSTALLATION Rudder servo install as same as method of elevator servo. See picture below: Secure 4x12mm Rudder servo ELEVATOR PUSHROD INSTALLATION.  Elevator pushrod install as same as the way of aileron pushrod.
  • Page 16 YAK 55 - Instruction Manual ITEM CODE:BH111. RUDDER CONTROL HORN AND RUDDER CABLE INSTALLATION. Rudder control horn install as same as the way of aileron control horn. Please see pic- tures below. Control horn of Rudder. Aluminium tube Aluminium tube Cut.

  • Page 17: Mounting The Tail Wheel Bracket

    YAK 55 - Instruction Manual ITEM CODE:BH111. Rudder cable. Elevator pushrod Drill a hole 2.5mm. Secure. Secure. MOUNTING THE TAIL WHEEL BRACKET. 3x12mm 3x15mm Bottom side. Mark point...

  • Page 18: Installing The Receiver And Battery

    YAK 55 - Instruction Manual ITEM CODE:BH111. INSTALLING THE RECEIVER AND BATTERY.       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 aileron servo lead easier when you are installing the wing .

  • Page 19: Installing Cockpit Fuselage

    YAK 55 - Instruction Manual ITEM CODE:BH111. *** 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- Secure.
  • Page 20 YAK 55 - Instruction Manual ITEM CODE:BH111. BALANCING.       1) It is critical that your airplane be bal- anced correctly. Improper balance will cause your plane to lose control and crash. THE CENTER OF GRAVITY IS LOCATED 135MM BACK FROM THE LEADING EDGE OF THE WING.

  • Page 21: Control Throws

    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 YAK 55M.

This manual is also suitable for:

Bh111

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