HSD viperjet User Manual

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ViperJET

75 mm EDF

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WARNING: Read this instruction manual entirely to become thoroughly familiar with the features of the product before

operating.

Failure to operate the product correctly can result in damage to the product or personal property and it can cause serious injury.

This is a sophisticated hobby product.It must be operated with caution, common sense, and requires some basic mechanical ability.Failure to operate this product in a safe and responsible manner could result in physical injury or damage to the product or other property.This product is

not intended for use by children without direct adult supervision.Do not use with incompatible components or alter this product in any way

contrary to the instructions provided by HSD HOBBY LTD. This manual contains instructions for safety,operation and maintenance.It is

essential to read and follow all the instructions and warnings in the manual prior to assembly,setup or use, in order to correctly operate the

product and/or avoid damage or serious injury.

14+

AGE RECOMMENDATON:

Not for children under 14 years

of age

.This is not a toy.

As the user of this product, you are solely responsible for operating it in a manner that does not endanger yourself and/or others or result in damage



to the product and property of others.

Always keep a safe distance, in all directions, around your model to avoid collisions or injury.This model is controlled by a radio signal subject to interference from many sources outside of your control; interference can cause momentary loss of control.

Always operate your model in open spaces away from full-size vehicles,traffic and people.

Always carefully follow directions and warnings for this model, and any optional support e



quipment (i.e., chargers, rechargeable battery packs, etc).



Always let parts cool down, after use, before touching or to use again.

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Always keep all chemical, small and electric parts, out of children's reach.

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Always avoid water exposure to all equipment that is not specifically designed for this purpose as moisture causes damage to electrics.

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Never operate your model with low transmitter batteries.

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Always keep aircraft in sight and under control.

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Always keep the transmitter on for as long as the aircraft is in use.

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Always remove batteries after use.

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For your safety, do not touch moving parts.

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Never operate aircraft with damaged wires. Always ensure failsafe is properly set before flying.

Charging Warnings

CAUTION

All instructions and warnings must be followed exactly

Mishandling of Li

Po batteries can result in a fire

personal injury

and/or

property damage

• By handling,charging, or using the included Li-Po battery,you assume all risks associated with lithium batteries.

•

at any time

the battery begins to balloon or swell, discontinue use

immediately. If charging or discharging, discontinue and disconnect.

Continuing to use, charge, or discharge a battery that is ballooning or swelling can result in a fire.

• Always disconnect the battery after charging,and let the charger cool

between charges.

• Always consistently monitor the temperature of the battery pack while charging.

• Never attempt to dismantle or alter the charger.

• Never allow minors under the age of 14 to charge battery packs.

• Never discharge Li-Po cells to below 3V under load.

• Never cover warning labels with hook and loop strips.

• Never leave charging batteries unattended.

• Never charge batteries over recommended levels.

• Never charge batteries in extremely hot or cold places.

• Do not store battery or aircraft in a car or direct sunlight. If stored in a hot car,the battery can catch fire or be damaged.

• Always store the battery at room temperature in a dry area for best results.

•

ONLY USE A CHARGER SPECIFICALLY DESIGNED TO CHARGE LI-PO BATTERIES.

Failure to charge the battery with a compatible

charger may cause fire, resulting in personal injury and/or property damage.

Safety Precautions and Warnings

NOTICE

Thank you for purchasing

this HSD product

. Please read this manual carefully before operating this plane. We hope this manual is useful

in guiding you through the installation and adjustment of the plane so that you may successfully fly it.

Each product from HSD has unique functions that users will need to fully grasp step by step as you will complete the assembly. It is necessary to assemble and test the product strictly in accordance with HSD's standards.

Meaning of Special Language:

The following terms are used throughout the product manual to indicate various levels of potential harm when operating this product:

NOTICE: If procedures are not properly followed, the risk of physical property damage AND a possibility of serious injury are likely.

CAUTION: If procedures are not properly followed, the risk of physical property damage AND a possibility of serious injury are likely.

WARNING: If procedures are not properly followed, the risk of physical property damage AND a possibility of serious injury are likely.

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CONTENTS

Specifications

Assembly

Box Content

Control Horn and Servo Arm Settings

Control Direction Test

Clevis Installation

Control Surface Centering

Accessories

Troubleshooting

Flight Precaution

Pre-flight Check

Battery Installation

Throttle Range Setting

CG Configuration

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Box Contents

1100mm

969mm

4S 1250g

6S 1450g

Specifications

Brushless Outrunner Motor

3060/2600KV (4S)

3060/2000KV (6S)

Hobbywing 60A Pro BrushlessESC (2-6S)

Six analog 9g servos

Battery:

4S 2200mAh-3300mAh 40C Li

6S 2200mAh-3300mAh 40C Li

Radio System: 2.4GHz 4CH

Transmitter and Receiver

75mm

Installed

Required to Complete

Attention

EDF jets r equire Li-PO batteries with a h igh discharge rating (C rat ing) for increased safety and

optima l performance. We recommend using Li- Po batteries with a minimum of 40 C or above.

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Assembly

Assembly is now complete.

and bolts are secure and firmly in

place before proceeding to the next pages.

PA 3*15MM 1p cs PA 3*18MM 1p cs

PA 2.6* 6MM 1pc s PA 3*5M M 2pcs

PA 2.6*6MM 2 pcs

M3*3MM 1 pcs

PA 2.6*6MM 4 pcs

Fix ed with s cre ws

Connect the servo link and fix the screws

Make sure that all screws

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Control Horn and Servo Arm Settings

After flying y ou may choose to adjust the linkage positions for the

desired control response.

See the lower table

The table below shows the factory settings for the control horns and servo arms.Fly the aircraft at factory settings

before

making any modifications.

Horns Arms

Elevator

Rudder

Ailerons

Increased Thrust Control

Decreased Thrust Control

The Rudder

The front

wheel steering

The Rudder

The fro nt

wheel s tee ring

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Control Direction Test

After binding a transmitter

the controls on the transmitter to make sure the aircraft control surfaces move in the proper direction.

Assemble the aircraft and bind your transmitter to the receiver before performing this test

Transmitter

Command

Aircraft Reaction

ElevatorAileron

Move right

stick right

stick left

Rudder

Move left

stick right

Move left

stick left

Low

Full

Move left

stick

up/down

to the aircraft receiver, set the trims and sub-trims to 0, then adjust the clevises to center the control surfaces. Move

Move right

stick down

Move right

stick up

Throttle

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Throttle range setting

(Throttle range should be reset whenever a new transmitter is being used)

Step 1: Switch on the transmitter and move the throttle stick to 100% (wide-open throttle)

Step 2: Connect the battery pack to the ESC, and wait about 2 seconds

Step 3:

'beep-beep' tone will emit, this means the highest point in the throttle control range has

has been confirmed

Step 4: After the 'beep-beep' tone is emitted, move the throttle stick back down to the lowest

position (0%). You will then hear a set of initialization beeps that register the number of cells in

the battery

Step 5: A final long beep tone should sound, meaning that the lowest point of the throttle range

has been confirmed. This means the throttle control has been initialized properly and is ready

for use

Clevis Installation

Adjust the push rod and clevis as necessary

*Carefully adjust the clevis so that it creates a centered

surface when attached to the control horn.

Control Surface Centering

*After assembly and transmitter setup, verify that the

contro.l surfaces are centered. If the control surfaces

are not centered, manually cen.ter the control surfaces by adjusting the linkages.

*With the flaps switch in the up position, flaps should be

adjusted so that they are even with the ailerons/root of the wing.

*If adjustments are required, turn the ball buckle on the

push rode to change the length of the linkage between

the servo arm and the control horn. After binding the transmitter to the receiver, set the trim and sub-trims to

0, then adjust the ball buckles as necessary to center the control surfaces.

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CG Location

Battery Installation

10mm

+10mm

10mm

+10mm

10mm

+10mm

Recommended battery location for

4S 3300mAh (350g) Li-Po

Recommended battery location for

6S 3300mAh (550g) Li-Po

85MM

Make sure the center of gravity (CG) is as indicated in the following diagram:

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Accessories

HSDA75-T01

HSDA75-T02

HSDA75-T03

HSDA75-T04

HSDA75-T05 HSDA75-T01135 HSD-TB02

HSD-BB01

HSD-BA02

HSD-TD01

HSD-TD02 HSDA75-T06 HSD-M02 HSDA75-TA01

HSD-BA01

HSD-BC01

HSD-BC02

HSD-BC03 HSD-BC04 HSD-TM01

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Accessories continued

HSD-TA01

HSD-TA02

HSD-HE01

HSD-TB01

HSD-TA03

HSDA75-J04

HSDA75-K02

HSDA75-K01

HSDA75-K03

HSDA75-D01

HSDA75-D02

HSDA75-G02

HSDA75-G01

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Probable Causes

Problem

Control surfaces

are not

responding

to stick input

Model is flying

erratically

Model does

not climb well

1. Battery is not fully charged

2. Elevator surface response is

reversed

3. CG is too far back, causing a tail-heavy airframe

Limited radio

range

Transmitter or receiver

power is low

Charge or replace any batteries

used on the transmitter and

receiver (if applicable)

Model moves

backwards

Locate the three (3) connections

between the motor and ESC, disconnect two (2) of the three (3) and swap their places for proper

response

1. Charge the battery

2. Install fresh AA batteries

Check for connection between

the ESC and motor

Replace motor

5. Consult radio manual and

through bind procedure

6. Hold model and move throttle to full position then back down to idle

Both ESC and motor are not

establishing a proper

response range

1. Servo lead may be connected

to the receiver incorrectly

The servo is damaged

1. Make sure servo leads are properly connected to receiver

2. Replace the servo

1. Recharge the battery within the

specified charge time

2. Charge the surface direction

via the reverse function on the transmitter

3. Reposition the Li-Po battery as necessary to achieve a

balanced CG

1. Make trim adjustments as necessary on transmitter

2. Make manual adjustments as

necessary to the surface

control linkages

3. Reposition the battery as necessary to achieve CG

Motor does

not run

1. Battery is not fully charged

2. Transmitter battery is low

3. Motor is not connected

4. Motor is damaged

5. Receiver not bound to the transmitter

6. ESC needs to be calibrated

Solutions

1. Control surfaces are not centered

2. Control surfaces are severely off-centered

3. Center of gravity (CG) not in the correct position

Troubleshooting

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

Model Flying Precautions

Select your flight area carefully. Always choose an open space that is unobstructed by trees and/or buildings and away from crowded area.Avoid flying in area with roads,electricity/telephone poles or wires and water

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nearby or within close proximity to air traffic.

Do not fly this model in poor weather, high winds, low visibility,

extreme

temperatures, rain and storms

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Never attempt to catch this model whilst in flight.Even a slow moving model cause harm to yourself and to

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others. This also poses a risk in damage to this model.

This model is recommended for children no younger than 14 years old

All children

no matter what age,



should always be supervised by a capable and responsible adult when operating this model.

Always unplug your model battery when not in use

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Never leave the battery installed in the mode l .

Please remember to keep clear of the propeller at all times when your flight battery is

connected.

Before flying

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always turn on your transmitter first then plug your flight battery into the model.

After flying

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always unplug your battery first then turn off your radio transmitter.

Exercise caution when charging your batteries and follow your battery manufacturer's safety guideline when doing so.

Pre-flight Checks

Always perform a range check before any flight (especially when flying a new

model for the first

time). Follow your radio manufacturer's guidelines to perform this check.

Check that all screw/bolts and mounting points are firmly secured, including control horns and

clevises.

Only fly with fully charged batteries (both in your radio and model). Failure to do so could result in

loss of

control, damage to the model and/or persons/property around you. Check that your batteries are

fully charged.

With the model powered on (transmitter on first, then receiver/model) check that all surfaces are

free from

damage/obstructions, moving freely in the correct directions with stick input.

Inspect the model and prop for any damage that may have occurred during transit and listen for any

unusual sounds from the electronics when powered on. If in doubt, do not fly.

If this is your first flight with the model double check that the CG is at the correct position. If not,

adjust the

battery position inside your model accordingly.

If you are an inexperienced model pilot, seek the assistance of an experienced pilot to perform these

final

checks and to test fly the model for you.

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ViperJET

75mm EDF

Distributed by:

Banana Hobby California, USA Call or Text (626) 629-8243 www.BananaHobby.com