HSD A1 User manual

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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.
• If bat any time the battery begins to balloon or swell,discontinue use im-
mediately.If charging or discharging, discontinue and disconnect.Continuing
to use,charge or discharge a battery that is ballooning or swelling can result
in fire.
• Always store the battery at room temperature in a dry area for best results.
• Always transport or temporarily store the battery in a temperature range of
40-120º F(5-49º C).Do not store battery or aircraft in a car or direct sun-
light.If stored in a hot car,the battery can be damaged or even catch fire.
• Always charge batteries away from flammable materials.
• Always inspect the battery before charging and never charge dead or dam-
aged batteries.
• Always disconnect the battery after charging,and let the charger cool
between charges.
• Always consistently monitor the temperature of the battery pack while
charging.
• 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.
• 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 children outside recommended levels.
• Never attempt to dismantle or alter the charger.
• Never allow minors under the age of 14 to charge battery packs.
• Never charge batteries in extremely hot or cold places (recommended
between 40-120°F or 5-49xC)or place in direct sunlight.
Charging Warnings
Meaning of Special Language:
The following terms are used throughout the product literature 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.
WARNING: Read this instruction manual in its entirety to become thoroughly familiar with the features of the product before
Failure to operate the product correctly can result in damage to the product,personal property and cause serious injury.
operating.
This is a sophisticated hobby product.It must be operated with caution and common sense and requires some basic mechanical ability.Failure to opera-
te this Product in a safe and responsible manner could result in 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 outside of 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 warn-
ings in the manual,prior to assembly,setup or use, in order to correctly operate and/or avoid damage or serious injury.
14+
Not for children under 14
years.This is not a toy.
AGE RECOMMENDATON:
As the user of this product,you are solely responsible for operating in a man-
ner that does not endanger yourself and others nor 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 your control; interference can cause
momentary loss of control
• Always operate your model in open spaces away from full-size vehicles,
traf and people.
• Always carefully follow the directions and warnings for this and any optional
support equipment (chargers,rechargeable battery packs,etc.).
• Always keep all chemicals,small parts and anything electrical out of the
reach of children.
• A lways avoid water exposure toall equipment not speciffically designed and
protected for this purpose.Moisture causes damage to electronics.
• N ever place any portion of the model in your mouth as it could cause
serious injury or even death.
• Never operate your model with low transmitter batteries.
• Always keep aircraft in sight and under control.
• Always use fully charged batteries.
• Always keep transmitter powered on while aircraft is powered.
• Always remove batteries before disassembly.
• Always keep moving parts clean.
• Always keep parts dry.
• Always let parts cool after use before touching.
• Always remove batteries after use.
• Always ensure failsafe is properly set before flying .
• Never operate aircraft with damaged wiring.
• Never touch moving parts.
Safety Precautions and Warnings
NOTICE
All rights reserved by HSD for the upgrade and/or reconfiguration of products.
Thank you for purchasing from HSD. 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 fly it successfully.
Each product from HSD has unique functions that users will need to fully grasp step by step, as the assembly will be completed by you.
It is necessary to assemble and test the product strictly in accordance with the standards of HSD.

CONTENTS
Spec i fica t ions
Assembly
Throttle Range Setting
CG Location.....................
Accessories
Model Flying Precautions
Box Contents....................................................................................01
......................................................................01
.............................................................................02-03
Control Horn and Servo Arm Settings..............................................04
Control Direction Test..................................................................05
Clevis Instal l a t i o n ..................................................................06
Control Surface Centering.................................................................06
..................................................................06
........................................................07
...............................................................................08
Trouble S hootin g. .. .. .. ..............................................................09
.....................................................................10
P re-Fl i g h t C h e c k s . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1 0

01
Box Contents
1600mm
1232mm
6S 3800g
Specifications
EDF jets require Li-PO batteries with a high discharge rating (C rating) for increased safety and
optimal performance. We recommend using Li-Po batteries with a minimum of 40C or above.
16X6 / Propeller
Brushless Outrunner Motor,5060-6S/270Kv
80A Pro Brushless ESC(6S)
Servos:(metal shell and digtial servos)9*8PCS
Battery:22.2V 5000-6000mAh 40C Li-Po
Radio System:2.4Ghz 7Ch
Transmitter and Receiver

02
Assembly
1 2
34
56
PM 3*35MM 2pcs
PM 3*60MM 1pcs
PM 3*45MM 1pcs

03
Assembly
Assembly of your A-1 is completed.Now perform a final check on all screws,bolts
and components,ensuring all are secure and firmly in place.
78
910
PM 3*60MM 2pcs

04
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 to the right shows the factory settings for the control horns and servo arms.Fly the aircraft at factory settings before
making changes.
Horns Arms
Elevator
Rudder
More control throw Less control throw
Ailerons
Flaps
The Rudder The front
wheel steering
The Rudder
The front
wheel steering

05
Control Direction Tests
center the control surfaces.
After binding a transmitter to the aircraft receiver,set the trims and sub-trims to 0,then adjust the clevises to
Move 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.
Small
Big
Transmitter
Command Aircraft Reaction
Elevator
Up Elevator
Command
Down
Elevator
Command
Aileron
Stick Right
Stick Left
Rudder
Stick Right
Stick Left
Half
the Throttle
Flaps
the Landing
gear
According to everyone’s operat ing
habit,the position of swich can be
chosen on the premise of optional
remote control swich.
According to everyone’s operating
habit,the position of swich can be
chosen on the premise of optional
remote control swich.

06
(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:A 'beep-beep' tone will emit, this means the highest point in the
throttle control range 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 hear a set of
initialization beeps that register the number of cells in the battery.
Step 5:A final, long beep tone will be emitted 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.
Control Surface Centering
centered.If the control surfaces are not centered, mechanically center the
control surfaces by adjusting the linkages.
Clevis Installation
After assembly and transmitter setup,verify that the control surfaces are
1.
2.
3.
4.
5.
6.
With the flaps switch in the up position,flaps should be adjusted so they are
even with the ailerons and/or the root of the wing.
If adjustments are required, turn the ball buckle on the pushrod to
change the length of the linkage between the servo arm and the
control horn. After binding a transmitter to the aircraft receiver, set
the trims and sub-trims to 0, then adjust the ball buckles as necessary
to center the control surfaces.
* Adjust the pushrod and clevis as necessary.
*Carefully adjust the clevis so that it creates a centered surface
when attached to the control horn.
Throttle range setting

07
CG LOCATION
-15mm
+15mm
-15mm
+15mm
-20mm
+20mm
Flaps
-35mm
CG 80-85mm

08
Accessories
H S D A1 - T 0 1 H S D A1 - T 0 2
H S D A1 - T 0 3
H S D A1 - T 0 6 HSD A1-T07
H S D A1 - T 0 4 H S D A1 - T 0 5
HSD A1-T08
HSD A1-T16
HSD A1-T09
H S D A1 - T 1 0
H S D A1 - T 1 3
H S D A1 - T 1 7
H S D A1 - T 1 4H SD A1 - T 1 5
H S D A1 - T 1 1 H S D A1 - T 1 2

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Problem Cause Solution
Motor does
not turn
1.Battery is not fully charged
2.Transmitter battery low
3.Motors not connected
4.The motor is damaged
5.Reciever is not bound to Tx
6.ESC in set-up mode
Control Surfaces
are not responding
to stick input
Model is flying
erratically
1.The control surfaces are not centered
2.The control surfaces are severely off
center
3.Center of Gravity (CG) is not in the
correct position.
Model does not
climb well
1.The 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
1.Transmitter or receiver
(if applicable) power is low
1. Charge or replace any batteries used
on the transmitter and receiver (if
applicable)
Model moves
backwards
1.Locate the three (3) connections between
the motor and ESC, disconnect two (2) of
the three (3) and swap their places for
proper response
2.Install a full charged battery
3.Check for connection
ESC and
between the
4.Replace motor
5.Consult Radio manual and
through bind procedure again
go
6.Hold model and move
postion then back down to idle
throttle to full
1 .Both ESC and motor are not
establishing a proper response
range
1.The servo lead may be connected
to the receiver incorrectly
2.The servo is damaged
1.Make sure the servo leads are properly
connected to the receiver
2.Replace the servo
1.Make trim adjustments as necessary
on the transmitter if the issue is not serious
2.Make manual adjustments as necessary
to the surface control linkages
3.Re-position the Li-Po battery as necessary
to achieve a balanced CG.
1.Re-charge the battery within the
specified charge time
2.Charge the surface direction via the
'reverse' function on the transmitter
3.Re-position the Li-Po battery as
necessary to achieve a balanced CG
1. Charge the batteries

10
- Do not fly this model in poor weather.High winds,low visibility,inclemen temperatures,rain and storms are
to be avoided.
- Never attempt to catch this model whilst in flight.Even a slow moving model can cause harm to yourself and/others
and risks damage to the model.
always be supervised by a capable and responsible adult when operating this model.
- This model is recommended for children no younger than 14 years old.All children,not matter what age, should
- Always unplug your model battery when not in use.Never leave the battery installed in the model.
- Please remember to keep clear of the propeller at all times when your flight battery is connected.
- Before flying,always turn on your transmitter first then plug your flight battery into the model.
- After flying,always unplug your battery first then turn off your radio transmitter.
- manufacturers safety guideline Exercise caution when charging your batteries and follow in full your battery
when doing so.
- Select your flight area carefully. Always choose an open space that is unobstructed from trees and buildings and
away from crowed area.Avoid flying in area with roads,electric/telephone poles/wires and water near by or within
close proximity to full size air traffic.
MODEL FLYING PRECAUTIONS
PRE-FLIGHT CHECKS
1. Always range check your model before any flight (especially when flying a new model for the first time). Follow
your radio manufacturers guidelines for performing this check.
2. Check all screw/bolts and mounting points are firmly secured,including control horns and clevises.
control, damage to the model and/or persons/property around you. Check your batteries are fully charged.
3. Only fly with fully charged batteries (both in your radio and model).Failure to do so could result in loss of
damage/obstructions, moving in the correct directions and freely with stick input.
4. With the model powered up (Transmitter on first,then receiver/model) check that all surface are free from
5. 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 up.If in doubt,do not fly.
6. If this is your first flight with the model double check the CG/is at the correct position.If not adjust battery
position inside model accordingly.
7. If you are an inexperienced model pilot seek the help and assistance of an experienced pilot to perform
these final checks and to test fly the model for you.

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