EXHOBBY Volantex RC 768-1 Mustang P-51D User manual

768-1
Mustang P-51D
User Manual

2
The following terms are used throughout the product literature to indicate various
levels of potential harm when operating this product.
CAUTION: Procedures, which if not be properly followed, is able to create a
possibility of physical property damage AND or possibility of injury.
Read the ENTIRE instruction manual to become familiar with the features of the
product before operating. Fail to operate the product correctly can result in
damage to the product, personal property and cause serious injury.
This is a sophisticated hobby product and NOT a toy. It must be operated with
caution and common sense and requires some basic mechanical ability. Fail to
operate 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 attempt to disassemble, use with
incompatible components or augment product in any way without the approval of
VolantexRC Co., 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 operate correctly and avoid damage or serious
injury.
Age Recommendation: Not for children under 14 years. This is not a toy.
As the user of this product, you are solely responsible for operating in a manner that
does not endanger yourself and others or result in damage to the product or the
property of others.
- Always ensure all batteries have been properly charged before using the vehicle.
- Always check all servos and their connections prior to each run.
- Never operate your vehicle near spectators, parking areas or any other area that
could result in injury to people or damage of property.
- Never operate your vehicle during adverse weather conditions. Poor visibility can
cause disorientation and loss of control of your vehicle.
- Never point the transmitter antenna directly toward the vehicle. The radiation
pattern from the tip of the antenna is inherently low.
- If at any time during the operation of your vehicle you observe any erratic or
abnormal operation, immediately stop operation of your vehicle until the cause of the
problem has been ascertained and corrected.

1. Insert the elevator through the
fuselage.
2. Install the screw through the
bottom of fuselage to secure the
elevator.
3
3. Install control horns to preserved
position on control surfaces.
4. Connect the push rod to the
servo horn.
11 10
9
8
7
6
5
4
3
2
11. Main wing
2. Fuselage
3. Horizontal Tail
4. Landing Gear
5. Propeller
6. Spinner
7. Philips Screw Driver
8. Screws bag
9. Radio Transmitter(RTF)
10. Lithium Battery(RTF)
11. USB Charger(RTF)

With the transmitter turned on and the LiPo flight battery connected to the ESC
(and installed in the battery compartment) it’s now possible to connect the push
rods to the rudder and elevator control surfaces and to ‘center’ the surfaces
accordingly.
First, be sure to center the elevator and rudder (aileron) trim levers. See the
‘Transmitter Details’ and ‘Flight Controls and Trimming’ sections of this manual for
more information on the trim levers and their functions.
With the trim levers centered, carefully spread open each ‘clevis’ (the white color
plastic part installed on the threaded end of the metal pushrod) so you can insert
the pin in the OUTERMOST hole on each control horn. It may be helpful to insert
a flat blade screwdriver (not included) into the clevis then carefully ‘twist’ it until
it disengages the pin from the hole in the clevis. Also, it is not necessary to ‘snap’
the clevis back together until the centering adjustments are complete.
5. Install the landing gear to the
gap on the battery cover and fix
it by screw .
6. Install the propeller with spinner
to the motor shaft.
Center the control surfaces

5
After connecting the clevises to the control horns view the vertical tail and rudder
from directly above. The rudder should be ‘in line’ with the vertical tail when it’s
properly ‘centered’. However, if the rudder is angled off to the right or left you
can adjust the length/position of the pushrod/clevis so the surface is centered
‘mechanically’ while the trim lever on the transmitter is centered.
Also, it will likely be necessary to make further adjustments to the position of the
trim lever during flight as most surfaces do not end up in exactly the centered
position when an airplane is trimmed properly for actual flight (but ‘centered’ is still
the best starting point).
If the rudder is angled off to the left, carefully remove the clevis from the control horn
and screw it ‘in’ (clockwise) one half to one full turn then insert the pin back into the
outermost hole in the control horn. Or, if the rudder is angled off to the right carefully
remove the clevis from the control horn and screw it ‘out’ (counter clockwise) one
half to one full turn then insert the pin back into the outermost hole in the control
horn. View the vertical tail and rudder from directly above again and continue
adjusting the length/position of the pushrod/clevis until the rudder is centered
appropriately.
NOTE: You should always rotate the clevis until the pin is perpendicular with the
control horn to ensure the pin is not under any excessive load/pressure when
inserted in the hole and during operation. In some cases it may not be possible to
‘exactly’ center the surface mechanically while properly aligning the pin. In these
cases be sure the pin is properly aligned then adjust the position of the trim lever
slightly as needed.
Follow the same steps outlined for centering the rudder to center the elevator as well.

The ideal C.G.position is 68±5mm behind the leading edge measured at where
the wing meets the fuselage . The C.G. has a GREAT effect on the way of the
model flight. If the C.G. is too far aft ( tail heavy ), the model will be too re-
sponsive and difficult to control. If the C.G. is too far forward (nose heavy),
the model will be too stable and not responsive enough.In order to obtain the C.G.
specified, add - weight to the fuselage or move the battery position.Check the C.G.
before flying.

CAUTION: All instructions and warnings must be followed exactly. Mishandling of
Li-Po/Li-Ion/Ni-Mh batteries can result in fire, personal injury, and/or property damage.
- The battery charger included with your plane(if there be) is designed to safely
balance and charge the specific Li-Po/Li-Ion/Ni-Mh battery.
- By handling, charging or using the included battery, you shall assume all risks
associated with Li-Po/Li-Ion/Ni-Mh battery.
- If at any time the battery begins to balloon or swell, discontinue use immediately.
If charging or discharging, you should discontinue and disconnect. Continue 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 40-120
Fahrenheit degrees (5-49 degrees centigrade).Do not store battery or your plane in a
car or direct sunlight. If stored in a car with high temperature, the battery can be
damaged or even cause fire.
- Always charge a battery away from flammable materials.
- Always inspect the battery before charging and never charge damaged batteries.
- Always constantly monitor the temperature of the battery pack while charging.
- Never discharge Li-Po cells till below 3V under load.
- Never cover waning lables with hook or loop strips.
- Never leave charging batteries unattended.
- Never charge batteries outside recommended levels.
- Never attempt to dismantle or alter the charger.
- Never allow minors to charge battery packs.
- Never charge batteries in extrmely hot or cold places(recommended between
40-120 Fahrenheit degrees / 5-49 degrees centigrade) or in direct sunlight.
Aileron
Aileron Trimmer

Setup Your Receiver
Elevator
Rudder
Aileron
AUX Indicator LED
Antenna
Install the receiver in your vehicle using double-sided tapes. The tapes will hold
the receiver in place and help keep it from vibrations.
Make sure the receiver is installed at a level plate so that the gyro works normally.
CAUTION: Do NOT cut the antenna.
Binding
1.Keep the plane steady to activate the gyro.
2.Connect the battery to the plane.
3.Power on transmitter, keep the throttle stick at lowest position.
5.Now the plane is bound to the transmitter.
Throttle Unlock(Arming)
Notice: To prevent from damages, the throttle channel is locked each time
when power on your transmitter.
Keep the propeller in distance for your safety.
To unlock the throttle, turn the throttle stick up to max until you hear a "beep" sound.
Then turn the throttle stick down to min until you hear a "beep" sound.
Now the throttle is unlocked.

Channels Reactions Checking Gyro Test
Place your plane in a neutral position, follow below steps to check the channels
reactions.
Move the sticks(except the throttle stick) to see if all servo surfaces react correctly as
shown in the left diagram(left throttle for example).
Swing your plane to check if all servo surfaces react correctly as shown in the right
diagram.
Transmitter
Operaton Reaction Swing The
Plane Reaction
Gyro Switch(Flight Control) Instruction
Beginner (Strong Flight Control)
Medium (Regular Flight Control)
Expert (Manual Control)


One-key U-turn Instruction
Flight Control System Calibration
1.Turn the throttle stick to min position.
2.Power on the transmitter and the
receiver.
3.Do NOT unlock the throttle.
4.Keep the sticks as above picture for
several seconds.
5.When you hear a “beep” sound, it
means the flying control system is
calibrated based on the horizontal level
you are keeping it.
The airplane comes with one-key U-turn function, which enable the plane to U-turn
by the opposite direction that the plane takes off.
Follow below steps to activate the function.
1. Place your plane heading to the take-off direction.
2. Do NOT unlock the throttle, press the activation button and hold for several
seconds until you hear a "beep" sound, the rudder surface will respond, meaning
the one-key U-turn function is now activated.
NOTE: Every time when you power on the plane, it requires to activate the one-
key U-turn function. To use this function during flight, press the one-key U-turn switch
button,the plane will turn around automatically, back
to the opposite direction where it takes off. To quit,
just press again the switch button, or control any
servo stick(rudder/elevator), the plane will back to
your control immediately.No matter you flies the plane
under manual control or gyro assist mode, when you
turn on the one-key U-turn function, the plane will
enter gyro assist mode automatically to help stable
flying back. When you quit this function, the plane will back to the what the control
mode it was.
NOTE: This function is bound to the receiver, instead of to the transmitter. That
means the plane will U-turn ONLY to the opposite direction that the plane takes off.
It also means when the plane U-turns and passes the position where you activated
the function, the one-key U-turn function will NOT U-turn the plane back to the take-
off position.
One-key U-turn
Activation
One-key U-turn
Switch

Channels Reverse
1.Turn the throttle stick to min position.
2.Power on the Transmitter and the receiver.
3.Do NOT unlock the throttle.
4.Turn the channel stick to max position of any side and hold for several seconds.
5. When you hear a “beep” sound, it means the channel is reversed.
WARNING: Normally this function is not necessary to be operated. Only operate
the below steps when you understand completely of the channel reverse function.
WARNING: Do NOT reverse throttle otherwise serious damage would cause!
Flight Checklist
Charging Instruction
1. Unplug the battery from your plane.
2. Carefully plug the charger into the USB port on your computer or USB adapter.
3. Connect battery into the charger.
4. The charging process takes about 3.5 hours. For safety reasons, never charge
the battery for longer than 4 hours. While charging, the red LED indicator will be on.
When charging is finished, the red LED will be off.
NOTE: This checklist is NOT intended to replace the content included in this
instruction manual. Although it can be used as a quick start guide, we strongly
suggest reading through this manual completely before proceeding.
- Always turn on the transmitter first.
- Ensure the throttle control stick is on the button position then plug the battery.
- Fly the model (hand launch or take off from a flat/level surface).
- Land the model (land on a flat/level surface).
- Unplug the Lipo flight battery from the ESC.
- Always turn off the transmitter last.

more forgiving surface that causes less damage in
the unfortunate event of a c rash. Short grass i s
better for takeoffs and landings as grass that is too
takeoffs and landings on a smoother surface (such
Fly in spacious ground w ithout obstacles and
boskage.
tension line, c rowed people, Flying Area, and
residential area.
PLEASE NOTE: THE PLANE IS DESIGNED TO BE
FLOWN OUTDOORS ONLY
crowded neighborhood areas or in areas that are not free of people and obstructions.
Find a Flight Field
your line of sight.
Flying Conditions

ROG(Rise off Ground) Take off
and takeoff easier. Slowly advance the throttle, adding rudder correction as needed to keep the model rolling
gentle climb.
controls as necessary to establish a gentle turn away from the runway.
If the controls respond erratically or if anything else seems wrong, make certain a ll the servo w ires
are
securely connected t o the receiver and that the transmitter and r eceiver batteries are fully charged. If
you
After the range check, fully extend the antenna.
getting low you will usually notice a performance drop before the ESC cuts off motor power, so when you
motor cuts off by holding the throttle stick all the way down for a few seconds.
the alarm sounds you should land your model.
Perform a Range Check
performing a range test is a good way to detect problems that could cause loss of control such as low batteries
defective or damaged radio components or radio interference. This usually requires an assistant and should be
First turn on the transmitter. Then, install the fully charged battery into the fuselage and hold it in place with the
hook-and-loop strap. Connect the battery and install the hatch.
causing damage or injury.
With the antenna on the transmitter collapsed (not extended ) , begin walking away from the model operating
the controls in a predictable pattern (for example: Up, then down elevator. Right, then left aileron. Right, then
left rudder). While moving the control surfaces, also vary motor rpm.
Have your assistant alert you if the controls fail to respond or if they move suddenly or erratically. You should
rotate
10 mph [ 16 kilometers /hr].
Be certain the ailerons , elevator and rudder respond correctly and that none
of the controls have inadvertently become reversed.
If t he surface is smooth ( such as paverment or blacktop) the plane can take off from the ground. But most
Take off

advance t he t our assistant should run a few s teps w ith the plane held high above his
head, and then but controlled toss at a level, or slightly nose - up attitude.Initially, the
y.
hrottle to full power. Y
give the model a swift,
elevator to establish the climb.
controls as necessary to establish a gentle turn away from the runwa
Hand-Launch
15
make the plane bank to your right.
pilot!).
the model into a bank. To stop the turn, apply a small amount of opposite aileron.
straight without any control inputs. Often, your assistant can reach over and adjust the trims for you.
do this, while still at altitude, cut the motor power.The model should establish a gentle, downward glide path.
judge how far out you will need to be when its time to land.
Flying
Make sure
that the airplane initiates an ascending glide path. If necessary, add power to extend the glide path
to reach control the glide path and altitude.
Continue to apply elevator until the mode l touches down at which time you should be holding full, or nearly full
up elevator. This will cause the airplane to slow and settle to the ground.
CAUTION: If, during a rough landing, the propeller becomes jammed and cannot rotate, the battery and
speed control will become very hot if you attempt to add power .
Immediately move the throttle down to stop the motor. If you fail to do this, the motor, speed control
and /or battery will be damaged.
l
Landing

Disconnect the battery and remove it from the airplane. Then, turn off the transmitter. Allow the battery to cool
airplane to make sure nothing has become loose or damaged.
After Flight
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