GY701 Heading-Hold Gyro/Governor with BLS251

Features both Basic and Expert menus.
Organic Light Emitting Display (OLED) for easy viewing indoors or out.
Works with analogue or digital servos.

*controller weight only

Gyro Features

Utilizes MEMS (Micro Electro Mechanical System) technology:
Ultra high-speed processing.
Advanced PID control algorithm.
Smooth, consistent pirouette rate and yaw control.
Patented, internal "Feed Forward" mixing through S.Bus means no latency and no tail offset (available in S.Bus mode only).
3D/F3C mode-selectable.
Sensor features an aluminium alloy case and 3-color mode indicator LED.

Governor Features

RPM range of 1000-3000.
Mode selectable for governor or rev limiter.
Clutch-mounted sensor or optional back plate mount for O.S.® .91, .55 and .50 engines.

Gyro Specs

Basic menus:
Servo Type
Direction
Servo Limit
Flight Mode

Expert menus:
Rudder Neutral
GY Gain
Expo
Delay
Control Delay In
Control Delay Out
Stop Delay
Working Mode
Piro Speed
Gain Change Up Delay
Gain Change Down Delay
Rudder Hysteresis
Free/Forward Mixing (with S.Bus connection)
Free/Forward Mixing Rate
Free/Forward Mixing Acceleration Gain
Pitch Zero Setting
Pitch Low Setting
Pitch High Setting
Sensor Mode
Neutral Compensation
Yaw Smooth
Stop Boosting
Gyro Data Reset
Operation range: +/- 1,200° per second
Sensor dimensions: 0.8 in x 0.8 in x 0.3 in (21 mm x 21 mm x 8 mm)
Sensor weight: 0.3 oz (9.4 g)
Controller dimensions: 1.7 in x 1.2 in x 0.5 in (44 mm x 30 mm x 12 mm)
Controller weight: 0.44 oz (12.5 g)

Governor Specs

Basic Menus:
RPM Setting
Gear Ratio
Servo Type
Stick Switch (to activate Governor)
On/Off Switch
Battery Fail Safe Setting
Yaw Rate Compensation
Limit Setting
Limit Point Testing
Revolution Sensor Testing

Expert Menus:
Working Mode
Revolution Display Mode
Response
Governor Gain
Throttle Data Mode
Revolution Change Up Delay
Revolution Change Down Delay
Start Delay
Low Limit at Hover
Low Limit at Idle Up
Governor Data Reset

BLS 251 Specs

This servo can produce high-current draw from your batteries. If using NiMh or LiPo batteries, make sure they are capable of delivering sufficient amps.

FEATURES: Equipped with a Brushless motor that lasts longer and operates at a lower temperature than Brushed motors Samarium Cobalt magnets and dual ball bearings 30% faster response times, smoother operation. Same power consumption and centring as Digital servos equipped with Brushed motors Metal gear Compatible with Super Narrow Pulse of (760us) drive. One-year warranty

INCLUDES: Futaba BLS251 Brushless Digital Heli Rudder Servo with universal connector, 0.83" (21mm) diameter round horn pre-mounted 1.8" (45mm) diameter round horn 1.2" (32mm) diameter 6-point horn 1.5" (38.5mm) 4-point horn Servo mounting hardware

REQUIRES: Installing in helicopter and plugging into gyro

SPECS: Torque @ 4.8V: 53 oz-in (3.8 kg-cm)

Speed: @ 4.8V: 0.06 sec

Dimensions: 1.6 x 0.8 x 1.5" (40 x 20 x 36.8mm)

Weight: 2.1oz (59.5g)

COMMENTS: This servo will NOT work with the GY240 or the GY401 gyros.

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