Value Hobby Yak-54 User manual

Brand: Value Hobby

Model: Yak-54

Category: Remote controlled toys

Type: User manual

5mm EPP 3D Profile Airplane ARF

Instruction Manual

Yak-54

Sbach-342

Specifications

Wing Span: 34.0 in (863 mm)

Length: 36.0 in (915 mm)

Wing Area: 294.5 sq in (19 sq dm)

Flying Weight: 6.7-8.1oz (190-230 g)

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Dear Customer,

Congratulations on your purchase of 5mm EPP ARF from Value Hobby. We thank you for your generous support,

and hope you enjoy your new airplane.

At Value Hobby, we hope to offer competitive prices, good performance, and products that you can setup and

use with ease. That’s why we extensively researched and tested this airplane, and suggested all the products

necessary for you to setup properly. We understand that you have many choices when purchasing, and we are

grateful you choose to buy from us.

As vendors, one of the most gratifying things for us is to hear from our customers. We would welcome any

suggestion to help us improve. Please make us aware of any errors and imperfections in the airplane or the

instructions, or about the setup that we suggested. We hope you’ll find our setup suggestions to be helpful, and

enjoy flying your new airplane. Please feel free to contact us at (630) 948-0947 or email us at

support@valuehobby.com

Disclaimer

By purchasing and/or building this model, user assumes ALL liability and risk involved with this product. This

model should be built and flown by an experienced pilot and only flown at AMA sanctioned sites.

Value Hobby guarantees this model to be free of defects in materials and workmanship at the date of purchase.

This warranty does not cover any parts damaged by use or modifications. In no way shall Value Hobby’s liability

exceed the original cost of the purchased model. Further, Value Hobby reserves the right to modify this warranty

without notice. Value Hobby has no control over the final stages of assembly or the material used for the final

assembly. No liability shall be assumed nor materials used for the final user-assembled product. By the act of

using the final product the user accepts all resulting liability. Value Hobby, as an R/C product vendor, provides a

top quality airplane and instructions to complete the model. The quality and flight characteristics of the finished

model depend greatly on how it is built; we cannot guarantee the performance for the completed model and

representations are expressed or implied as to the performance of the completed model. If the buyer is not

prepared to accept the liability associated with the use of this product, the buyer is advised to return this kit

immediately, in new and unused condition.

Safety in Assembly

During assembly of this aircraft, you will be asked to use sharp knives and hobby adhesives. Please follow all

safety procedures recommended by the manufacturers of the products you use, and always follow these

important guidelines:

ALWAYS protect your eyes when working with adhesives, knives, or tools, especially power tools. Safety glasses

are the best way to protect your eyes.

ALWAYS protect your body, especially your hands and fingers when using adhesives, knives, or tools, especially

power tools. Do not cut toward exposed skin with hobby knives. Do not place hobby knives on tables or benches

where they can roll off or be knocked off.

ALWAYS have a first-aid kit handy when working with adhesives, knives, or tools, especially power tools.

ALWAYS keep hobby equipment and supplies out of the reach of children.

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Safety in Flying

This is NOT a toy! It is a very high-performance RC airplane capable of high speeds and extreme maneuvers. It

should only be operated by a competent pilot in a safe area with proper supervision.

ONLY fly your aircraft in a safe, open area, away from spectators and vehicles–and where it is legal to fly.

NEVER fly over an unsafe area, such as a road or street.

Never fly too close to yourself or spectators.

Never run your motor inside a house or building with the propeller attached – Remove the prop for safety.

Required Items

CA Glue – Thin and Thick

Epoxy glue

Hobby Knife

Small Phillips Screwdriver

Set Metric Allen Wrenches

Scissors

Small Pliers

Wire Cutters

Masking tape

Optional – Heat gun

Before Starting Assembly

Examination

Unpack your airplane and examine the components. Check for damage of any kind. If you see any damage,

please contact Value Hobby immediately.

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RECOMMENDED RADIO EQUIPMENT

Product SKU Quantity

Radio

Flysky T6 6CH transmitter and receiver set FLY-RC-2563

Towerpro SG90 9g servo for aileron TWP-SV-0357

Servo

Towerpro SG50 5g servo for rudder and elevator TWP-SV-0352

RECOMMENDED POWER SETUP

Product

SKU

Motor

Gforce Emax CF2812 brushless motor

EMX-MT-0166

ESC

Hobbywing Flyfun 12A brushless ESC

HWG-SC-0236

Battery

GForce 30C 800mAh 2S LiPO

SHD-LP-2564

Prop

8 x 4E

GFH-MP-2408

OPTIONAL ACCESSORIES:

Product

SKU

Charger

GT Power C6 6S LiPO Charger GTP-CH-1427

Thin CA Glue

Quickie Thin CA VHB-AC-2097

Medium CA Glue

Quickie Medium CA VHB-AC-2098

Hot Glue Gun

Battery Powered Field Hot Glue Gun VHB-AC-2681

Glue Stick

Hot-melt Glue Stick VHB-AC-2680

Stand

Foam Field Stand VHB-AC-1997

Watt Meter

GT Power 130A Watt Meter GTP-AC-0591

T Connector Female AMS-AC-1914

Connector

T Connector Male AMS-AC-1913

LiPO Bag

LiPO charging bag VHB-LP-0330

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Yak 54 Main Parts

Sbach342 Main Parts

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Accessories (Same for two planes)

1. Landing gear x2

2. Wheel x 2

3. Heat shrink tube x 2

4. Control horn x 4 set

5. Pushrod connector x 4

6. Screw x 4

7. Steel wire with z-bend x

8. Motor mount

9. Hook and loop tape

10. Wood accessories 1 set

Section1. Airframe Assembly

Step1. Place the four parts of the horizontal

fuselage in position on a flat work surface to make

A=B.

Use thin CA to glue them together.

Insert and glue the NO.15, NO.16 and NO.17

carbon fiber strips into the slots in the fuselage.

Step2. Slide the vertical fuselage into the horizontal

fuselage. (Align the tabs from the vertical fuselage

into the slots in the horizontal fuselage.)

Once the vertical is in the center line of the

horizontal fuselage, use the thin CA and a square to

glue two parts together. (Start at the front and

slowly work your way toward the rear of the

fuselage, gluing small sections at a time.)

Step3. Install two side force generators to the wing.

Section2. Landing Gear Installation

Step1. As shown, install the landing gears to the

fuselage.

Step2. Use the shrink tube to secure the wheels to

the landing gears.

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Section3. Carbon Rods Installation

Glue NO1. to NO 11 carbon fiber rods to the

fuselage and wing as shown.

(The slots for CF rods were pre-cut in the factory.)

Section4. Tail Skid Installation

Glue one piece of NO.15 carbon fiber strip to the

fuselage as the tail skid.

Section5. Servo Installation

Step1. Prepare three servo arm assembly with

pushrod connector

Step2. Use the hot glue to install the 9g micro

servo to the fuselage.

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Step3. Install the aileron servo arm. (Center the

servo electronically in advance.)

Step4. Install two 5g servos to the fuselage.

(Elevator and rudder servo)

Step5. Use the heat shrink tube to connect the

NO.12 carbon fiber rod and the steel wire with z

bend as the pushrod wire.

Step6. Install the control horn to the z bend

Place the wood control horn in position to make

the pushrod wire is 90 degrees aligned with the

hinge line and the holes on the control horn is

aligned with the hinge line.

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Step7. Glue the control horn mount to the aileron.

Step8. Use a drill bit to enlarge the holes for the

control horn.

Step9. Apply some thin CA to the holes and install

the control horn to the mount.

Step10. Repeat the previous steps for the other

aileron servo linkage installation.

Step11. Finish the rudder and elevator servo

linkage installation in the same procedures as

aileron servo.

(Note: two pushrod guides need to be installed to

ensure the pushrods won’t be twisted.)

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Section6. Motor Installation

Step1. Glue the EPP foam motor mount to the

plywood mount.

Step2. Use the hot glue to secure the motor mount

to the fuselage

Step3. Install the motor to the mount and install

the prop.

Center of gravity

The recommended CG is 229mm (9in) from the

airplane front end point.

Exponential for 3D flying

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www.valuehobby.com

2013-08-20

Value Hobby Yak-54 User manual

Brand: Value Hobby

Model: Yak-54

Category: Remote controlled toys

Type: User manual

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Value Hobby Yak-54 User manual

Value Hobby Yak-54 User manual

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