EFLU3550 E-flite Ultra Micro UMX Yak 54 BNF Manual
3
EN
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19.6 in (497mm)
16.9 in (430mm)
1.3oz
(36 g)
Table of Contents
Specifi cations
Wing Area: 37.2 sq. in.
(472.3 cm
2
)
1. Charge flight battery.
2. Install flight battery in aircraft (once it
has been fully charged).
3. Bind aircraft to transmitter.
4. Make sure linkages move freely.
5. Perform Control Direction Test with
transmitter.
6. Set dual rates.
7. Adjust center of gravity.
8. Perform a radio system Range Check.
9. Find a safe and open area.
10. Plan flight for flying field conditions.
Prefl ight Checklist
Installed
Motor: Ultra Micro Brushed Motor
8.5mm x 23mm (EFLU5152)
Receiver : DSM2/DSMX UM AS3X
®
Receiver/Servos/ESC (EFLU5164)
(2) 2.3-Gram Performance Linear Long
Throw Servo (SPMSA2030L)
Required to Complete
Battery: 150mAh 1S 3.7V 25C/45C
Li-Po, (EFLB1501S25 or EFLB1501S45)
Battery Charger:
Celectra™ 4-Port 1S 3.7V 0.3A DC
Li-Po Charger (EFLC1004)
Recommended Transmitter:
Full range Spektrum™ DSM2
®
/DSMX
®
with dual-rates (DX4e and up)
Transmitter and Receiver Binding ..........................4
Low Voltage Cutoff (LVC) .......................................4
Alternate Flight Mode Programming ......................5
ESC/Receiver Arming, Battery Installation and
Center of Gravity ...................................................6
Control Direction Tests ..........................................7
Control Centering .................................................8
Trimming ..............................................................8
Control Horn Settings ............................................8
Dual Rates and Expos ...........................................8
Flying Tips and Repairs .........................................9
Post Flight Checklist .............................................9
Power Components Service ................................10
Troubleshooting Guide ........................................11
Limited Warranty ................................................12
Warranty and Service Contact Information ..........14
IC Information .....................................................14
FCC Information ..................................................14
Compliance Information for the European Union ..15
Replacement Parts ...............................................54
Optional Parts and Accessories ............................ 55