E-flite UMX Sbach 342 BNF User Manual
®
Instruction Manual
Bedienungsanleitung
Manuel d’utilisation
Manuale di Istruzioni
™
EN
NOTICE
All instructions, warranties and other collateral documents are subject to change at the sole discretion
of Horizon Hobby, Inc. For up-to-date product literature, visit www.horizonhobby.com and click on the
support tab for this product.
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: Procedures, which if not properly followed, create a possibility of physical property damage AND
little or no possibility of injury.
CAUTION: Procedures, which if not properly followed, create the probability of physical property damage
AND a possibility of serious injury.
WARNING: Procedures, which if not properly followed, create the probability of property damage,
collateral damage, and serious injury OR create a high probability of superfi cial injury.
WARNING: Read the ENTIRE instruction manual to become familiar with the features of the product
before operating. Failure to operate the product correctly can result in damage to the product, personal
property and cause serious injury.
This is a sophisticated hobby product. It must be operated with caution and common sense and
requires some basic mechanical ability. Failure 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 disassembly, use with incompatible
components or augment product in any way without the approval of Horizon Hobby, Inc. 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.
2
Thank you for purchasing the E-fl ite® UMX™ Sbach® 342. Its 2S Li-Po, 2500Kv brushless power system is
one of the most powerful ever developed for an aircraft this small. The phenomenal power-to-weight ratio
it delivers is a big reason the UMX Sbach 342 fl ies more like a larger scale precision aerobatic plane than a
typical Ultra Micro.
The exceptional capabilities of the UMX Sbach 342 require a little more fi rst-fl ight preparation than you may
be used to with other Bind-N-Fly
®
Ultra Micro aircraft.
Table of Contents
First Flight Preparation ..........................................3
Charging the Battery .............................................4
Battery Warnings ..................................................5
Low Voltage Cutoff (LVC) .......................................5
Transmitter and Receiver Binding ..........................6
Installing Flight Battery .........................................6
Before Flight .........................................................7
Control Direction Test ............................................7
Control Centering .................................................7
Settings for Control Horns .....................................8
Dual Rates and Expo .............................................8
Adjusting Center of Gravity (CG) ............................9
Optional – Installation of
Side Force Generators (SFGs) ................................9
Flying Tips and Repairs .......................................10
Additional Safety Precautions and Warnings ........10
Service of Power Components ............................11
Troubleshooting Guide ........................................12
Warranty and Repair Policy .................................13
Warranty and Service Information .......................14
Compliance Information for the European Union ..14
Replacement Parts ..............................................57
Optional Parts and Accessories ...........................58
Parts Contact Information ...................................59
First Flight Preparation
1. Remove and inspect contents
2. Read this instruction manual thoroughly
3. Connect the charger to a 12V power supply
4. Begin charging the flight battery
5. Install fully charged flight battery into aircraft
6. Bind the receiver to a transmitter
7. Perform the Control Direction
Test with the transmitter
8. Ensure pushrods move freely
9. Adjust flight controls and
transmitter
10. Adjust battery for center of
gravity (CG)
11. Perform a radio system
Range Check
12. Find a safe and open area
13. Plan flight for flying
field conditions
Specifi cations
Wingspan 17 in (432mm)
Length 16.4 in (417mm)
Weight 1.9 oz (55 g)
Installed
180BL 2500Kv brushless
outrunner
Spektrum
Receiver/BL ESC unit
(4) 1.7 g Linear Long Throw Servos
TM
AR6400NBL Ultra Micro
Included
Battery: 180mAh 2S 20C Li-Po
Battery Charger: 2S 7.4V Li-Po
EN
Needed to Complete
Transmitter:
DSM2/DSMX with adjustable dual-rates
and expo (DX6i and up)
To register your product online, go to www.e-fliterc.com
2.4GHz with Spektrum™
3
EN
Charging the Battery
Your Sbach 342 comes with a Celectra™ 2S 7.4V
DC Li-Po Charger and 2-Cell 7.4V 180 mAh 20C LiPo battery. Please visit www.horizonhobby.com for
optional battery adapters. Refer to battery warnings.
It is recommended to charge the battery pack while
you are inspecting the aircraft. The fl ight battery will
be required to confi rm proper aircraft operation in
future steps.
The Battery Charging Process
1. Charge only batteries that are cool to the touch and are not damaged. Look at the battery to make
sure it is not damaged e.g., swollen, bent, broken or punctured.
2. The connector of the battery is specifically designed to allow it to fit into the charge port one way
to prevent reverse polarity connection. However, check for proper alignment and polarity before
proceeding to the next step.
3. Gently press the battery connector into the charge port located on the front of the charger.
4. When you make the connection successfully, the green LED blinking on the charger slows,
indicating proper connection.
5. Press the button on the charger, the red LED will illuminate, indicating charging has begun.
6. Charging a fully discharged (not over-discharged) 180mAh battery takes approximately 50–60
minutes.
7. When battery is fully charged, the green LED will illuminate.
8. Always unplug the battery from the charger immediately upon completion of charging.
CAUTION: Overcharging a battery can cause a fire.
2S 7.4V 180mAh 20C
Lithium Polymer Battery
CAUTION: Only use a charger specifi cally designed to charge a Li-Po battery. Failure to do so could
result in fi re causing injury or property damage.
CAUTION: Never exceed the recommended charge rate.
LED Functions under normal operation
1. Green LED blinking with power connected but without battery ...................................Standby
2. Green LED blinking .................................................................................................... Battery is connected
3. Blinking Red LED at varying speeds ........................................................................... Charging
4. Red and Green LED blinking simultaneously ............................................................... Balancing
5. Solid Green LED .......................................................................................................Full Charge
6. Red and Green LED fl ashing rapidly ........................................................................... Error
4
Battery Warnings
The Battery Charger (EFLUC1007) included with the
Sbach 342 has been designed to safely charge the
Li-Po battery.
CAUTION: All instructions and warnings must
be followed exactly. Mishandling of Li-Po batteries
can result in a fi re, 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 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 fi re.
• 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. Do not store
Low Voltage Cutoff (LVC)
EN
battery or model in a car or direct sunlight. If
stored in a hot car, the battery can be damaged or
even catch fi re.
• Always charge batteries away from fl ammable
materials.
• NEVER USE AN Ni-Cd OR Ni-MH CHARGER. Failure
to charge the battery with a compatible charger
may cause fi re 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 batteries outside safe temperature
range.
• Never charge damaged batteries.
When a Li-Po battery is discharged below 3V per
cell, it will not hold a charge. The Sbach 342 ESC
protects the fl ight battery from over-discharge
using Low Voltage Cutoff (LVC). Before the battery
charge decreases too much, LVC removes power
supply from the motor. Power to the motor quickly
decreases and increases, showing some battery
power is reserved for fl ight control and safe landing.
When the motor power decreases then increases,
please land the aircraft immediately and recharge
the fl ight battery.
Disconnect and remove the Li-Po battery from the
aircraft after use to prevent trickle discharge. Before
storage, charge the Li-Po battery to full capacity.
During storage make sure battery charge does not
go below 3V per cell.
Note: Due to the quiet nature of the aircraft, you
may not hear the pulsing of the motor. Set fl ight
timer to 6 minutes for the included 2S 180mAh
battery.
NOTICE: Repeated fl ying to LVC will damage
the battery.
5
EN
Transmitter and Receiver Binding
Binding is the process of programming the receiver of the control unit to recognize the GUID (Globally
Unique Identifi er) code of a single specifi c transmitter. You need to ‘bind’ your chosen SpektrumTM DSM2/
TM
DSMX
technology equipped aircraft transmitter to the receiver for proper operation.
Note: Any JR® or Spektrum DSM2/DSMX transmitter can bind to the Spektrum AR6400NBL receiver. Due
to the aerobatic capabilities of the UMX Sbach 342 it is highly recommended that you use a transmitter
with adjustable exponential and dual rates. Please visit www.bindnfl y.com for a complete list of compatible
transmitters.
Note: When using a Futaba® transmitter with a Spektrum DSM module, reversing the throttle channel is
required.
Binding Procedure
1. Refer to your transmitter’s unique instructions for binding to a receiver.
2. Make sure the fl ight battery is disconnected from the aircraft.
3. Power off your transmitter.
4. Connect the fl ight battery in the aircraft. The receiver LED will begin to fl ash rapidly. (Typically after 5 seconds).
5. Make sure transmitter controls are neutral and throttle and throttle trim are in low position.
6. Put your transmitter into bind mode. Refer to your transmitter’s manual for binding button or switch instructions.
7. After 5 to 10 seconds, the receiver status LED will become solid, indicating that the receiver is bound to the
transmitter. Note: If the LED does not go to a solid light, refer to Troubleshooting Guide at back of manual.
Installing Flight Battery
1 2
Remove battery hatch from
nose of aircraft.
Note: If using a different battery than the included 2-Cell 7.4V 180mAh 20C Li-Po, you will need to apply a
circle of hook and loop fastener to the back of the battery, opposite the side with label.
NOTICE: Always disconnect the Li-Po from the receiver of the aircraft when not fl ying. Failure to do so will
render the battery unusable.
Connect fully charged fl ight
battery to receiver.
3
Attach battery to tray strip
and install battery hatch.
6
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