THIS IS THE FUTABA GY520 WITH BLS257 SERVO COMBO.

GY Series technology revolutionized gyro performance in 2000 -- and the GY520 is doing it again today. Its cutting-edge MEMS (Micro Electro Mechanical System) sensor design, ultra high-speed proceFirst Outing, First Winssing speed and advanced PID control algorithm put it a quantum leap ahead of all other heading hold gyros in size, weight and performance. It's the gyro of tomorrow -- and it's available today from Futaba.
* Offers premium performance at a surprisingly affordable price.

* Weighs just 6.9 g -- a full 9 g less than any other heli heading hold gyro!

* Exceptionally compact, for fast, easy installation in helis ranging from electric micros to .91 glow 3D Monsters!

* Cutting-edge MEMS (Micro ElectroMechanical System) sensors detect smaller angle deviations than any other technology.

* Improved, ultra high-speed processing rates and an 800° /second rate range offer faster, smoother response and consistent pirouette rates.

* Delivers superior performance with analog servos -- and excels with digitals!

Parameters To Program!

* F3C/3D Modes
* Normal/Reverse Rotation
* Limit Setting
* Analog/Digital Servo
* Response Selection
* Data Reset

GYRO SPECS:
Dimensions: 0.79 x 0.79 x 0.39 in (20 x 20 x 10 mm)
Weight: 0.243 oz (6.9 g)
Voltage Range: 3.8 - 6.0V DC
Current Draw: 20mA (without servo)
Sensor Rate Range: +/- 800° / sec

Futaba BLS257 Brushless Rudder Mini Digital Servo

* 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

Specifications:

* Torque: 36 oz-in. (2.6 kg-cm) @ 4.8V
* Speed: 0.07 sec/60°
* Size: 1.4 x 0.6 x 1.1" (35.5 x 15 x 28.6mm)
* Weight: 0.92 oz (26g)

Includes:
1 x GY520
1 x BLS257
1 x plastic adjustment screwdriver
1 x Three mounting pads
1 x instruction sheet

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