This is the Futaba BLS257 Brushless Rudder Mini Digital Servo.
When using with the GY520 you must make sure you change to the correct mode in
the gyro software.
FEATURES:
- Designed for 3D helis
- 30% faster response than standard digital servos and five times longer lasting
than servos with brushed motors - Same power consumption as brushed digital servos
INCLUDES:
Futaba BLS257 Brushless Heli Rudder Mini Digital Servo with universal connector,
0.83″ (21mm) diameter round horn, 1.2″ (32mm) diameter 6-point horn,
1.5″ (38.8mm) diameter 4-point horn, four each mounting screws, eyelets
and grommets
REQUIRES: Installing in heli, connecting linkage and connecting to receiver
SPECS:
- Torque: 36 oz-in. (2.6 kg-cm) @ 4.8V
- Speed: 0.07 sec/60?X
- Size: 1.4 x 0.6 x 1.1″ (35.5 x 15 x 28.6mm)
- Weight: 0.92 oz (26g)






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