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GY401 Gyro

  • Discontinued
  • included hardware
  • shown next to quarter for scale
  • in box
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Please note: This product has been discontinued.

This is the GY401 Gyro with SMM Technology from Futaba. This is a High Performance, Compact and Light Weight (AVCS) Angular Vector Control System gyro developed for model helicopters. Because the sensor and control circuit are integrated, it is simple to install.


  • AVCS System: Since the rudder trim changes (caused by wind and other meteorological changes); the front, rear, and other heli attitudes change and are automatically canceled; tail (rudder) operation is easy, making it perfect for 3D flight.
  • SMM Gyro Sensor: Use of this newly developed technology virtually eliminates rudder trim changes during flight. 
  • Digital Servo Compatible (DS Mode): DS mode makes it compatible with Futaba digital servos. This maximizes the high-speed response performance of the digital servo. 
  • Remote Gain Function and Mode Switching Function Remote: Gain function allows sensitivity switching from the transmitter and mode switching function allows AVCS/normal gyro mode switching. Integrated, compact and lightweight design made possible by high density mounting technology. 
  • Conductive Resin Case: This case improves EMC (Electrostatic and electromagnetic interference) resistance.

Can be used in helicopters and airplanes (Due to 0-100% Gain Adjust). The new SMM (Silicone Micro Machine) technology is the integration of mechanical elements, sensors, actuators and electronics all brought together on a common substrate chip. This hobby industry first, results in a gyro sensor with an unprecedented level of functionality, reliability, and sophistication.


27mm x 20mm x 27mm

Product Weight 0.95 oz

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