While gyro sizes are shrinking & the market expanding JR releases the G370 3D Gyro!  This small guy measures just 1.00” x 1.06” x 0.41”!

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Whether you’re new to 3D flying or a seasoned expert, the more you know about the new G370 3D gyro, the more you’ll know you need it. For openers, it’s the most durable gyro in its class. With a machined aluminum frame plus aluminum top and base plates, it’s virtually crash proof. And if you fly lots of 3D, you know how valuable that can be. Besides that, the G370 3D’s charms aren’t defined only by its toughness. At roughly half the thickness of JR’s superb G770 3D, it’s equally precise.

In terms of resistance to external forces, the smaller 370’s pirouette rate-consistency is absolutely unmatched. Plus it features heading lock and normal modes, along with settings for both electric and glow power. And finally, just to make an easy decision even easier, it’s covered by JR’s 3-year warranty and outstanding service record.
Key Features

  • Provides outstanding tail hold for aggressive 3D performance
  • Wide application range from 450 electric to 90 size nitro helis
  • Small and lightweight
  • Aluminum case for crash damage protection and RF shielding
  • Constant pirouette rate
  • Heading lock and normal modes available
  • For use with digital servos only


  • Type: MEMS Sensor 3D Gyro
  • Sensor Type: MEMS
  • Weight: 16 grams
  • Dimensions (WxLxH): 1.00” x 1.06” x 0.41”
  • Gain Type: Heading lock and normal rate modes interlocked with gyro gain
  • Operating Voltage: 4.8–6.0V (Note: most tail servos are limited to 4.8V)
  • Reversing Switch: Yes
  • Servo Travel Limiter: Yes
  • Current Draw: 70mAh

This gyro is also available with a DS3500G tail servo for the 450-size electric models or equivalents:


DS3500G Servo Specs:

  • Size Category:Specialty
  • Type:Digital
  • Torque:27 oz/in
  • Speed:.07 sec/60 degrees
  • Dimensions (WxLxH):.58 x 1.05 x 1.3 in
  • Weight:.9 oz
  • Bushing Or Bearing:Bearing
  • Motor Type:Coreless
  • Connector Type:JR
  • Gear Type:Nylon
  • Application:Mini Heli Tail Rotor

The gyro alone will retail for $160, or $225 including the servo at Ron’s Heliproz South.

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