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GY701
Heading-Hold Gyro & Governor
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Sophisticated simplicity.
Beginner-friendly – competition-ready.

The Futaba GY701 combines a gyro and governor in one unit, representing a quantum leap forward in technology*. Processing rates are incredible, resulting in response rates that are even more amazing. Basic and Expert menus make it easy for novices and pros to enjoy latency-free performance and virtually instantaneous set-ups. The GY701's OLED (Organic Light Emitting Display) is easy to read indoors or out. When combined with the Governor, you have a system that's optimized for even the most extreme helicopter competitions.

*Also available in separate gyro or governor units.

“The Futaba GY701 rocks! Like the GY520, it offers superior gyro performance, with an easy-to-use programming interface featuring Basic and Expert modes. Piro rate consistency is unmatched. The governor is just as phenomenal, reacting to tail rotor demands even before the engine does. The GY701's compact size, user-friendly interface and S.Bus support result in a winning combination that's tough to beat!”

– Ray and Kyle Stacy, Team Futaba Members

Micro ElectroMechanical System Technology S-Bus Ideal for nitro and electric helis!

GY701 governor setup with an electric model

GY701





controller with Organic LED screen
An ultra-small, ultra-lightweight controller makes set-up time to flight time virtually instantaneous. The Organic LED screen is compact and easy to read – indoors or out.
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3-color LED status indicator
The GY701 features a 3-color LED to indicate gyro status.

S.Bus Setup/Installation
Get the most out of your GY701 by connecting it to any S.Bus system set-up!


BPS-1 RMP Sensor
FUTM1106 BPS-1 RPM Sensor (available separately)
Provides accurate readings and better performance with plug-in ease!

  • A competition plus that constantly monitors and maintains rpm at a level you select.

  • Eliminates the need for fan-mounted magnets and governor mounts.

  • Perfect for use with O.S. 55HZ-R and 91HZ-R heli engines equipped with Futaba GY701 and CGY750 gyros.

  • Easy to install. Plugs into the sensor mount built into the engines’ backplates in seconds.

  • Weight: 5/16 oz (8 g)



Gyro/Governor Features
  • Small and lightweight — only 1.7 in. x 1.2 in., and weighs less than 1/2 ounce*.

  • S.Bus capable with a single cable connection to the receiver.

  • Free firmware and software, using the CIU-2 PC Interface (sold separately).

  • Easy for anyone to program. Features both Basic and Expert menus.

  • Organic Light Emitting Display (OLED) for easy viewing indoors or out.

  • Works with analog or digital servos.
*controller weight only
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  • 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 aluminum alloy case and 3-color mode indicator LED.
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  • 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)
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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
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FUTM0822 GY701 Gyro/Governor
FUTM0821 GY701 Gyro


Also available in a Combo with a
BLS251 Brushless Tail Rudder Servo!

FUTM0823 GY701 Gyro/Governor w/BLS251 Servo

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