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Gyros

Get To Know "JR GYROS"

JR G420T Heading Lock Single Rate Piezo Gyro

A budget priced piezo gyro for sport helicopters. Ideal for use with the DS820G or DS3500G… Size 24.5 x 30.5 x 30.5mm; Weight 20g. Switch able on the gyro between normal rate gyro & heading Lock mode.

This Gyro has manual gain adjustment and the Tail Lock On/Off controls located on the body and is NOT remotely adjustable.

 

The JR G770T GYRO

The G770T gyro uses all-new SRVS UltraLok ™ technology to provide constant rotation rates regardless of head speed, wind or flight direction. And with its auto-trimming and anti-drift features, trim fiddling is a thing of the past. What’s more, the ultra high response rate 770T holds like no other JR gyro.

JR’s latest gyro is neatly wrapped in a full metal jacket. The metal case offers improved shielding against electromagnetic interference, especially that generated by electric motors and speed controllers. This makes it a good choice for use in electric helis of all sizes. Works great in IC models too!

Its small size and light weight makes it ideal for smaller 3D electric helicopters (Size mm: 20×27x25.5 Weight: 30g)

Key Features:

  • Constant Pirouette rate G770T Gyro
  • Heading-Lock and Normal modes available
  • Aluminum Gyro case
  • G770T Gyro features Analog and Digital servo compatibility
  • Ultra-Speed Servo for Instant Tail Control Reaction
  • 8900G features an aluminum Heat Sink Center Case to help keep motor cool and increase efficiency
  • Perfect for 600 Size and larger Helis
  • Ultra Precision Nylon Gears

 

JR G770T & 3500G Combo

The G770T Gyro & DS3500G Servo Combo. Together they’ll transform your current heli.

Gyro
Manufacturer
Type
Data Setting
Data Display
Compatibility
Gain Control
Voltage
Dimensions
Weight
Manual
Servo
Manufacturer
Applications
Type
Torque 4.8V
Torque 6.0V
Speed 4.8V
Speed 6.0V
Dimensions
Weight
Bearings
Gear Type
JR G770T
JR
SRVS UltraLok
Tx + Onboard Pots
-
Futaba, JR, Hitec
Remote
4.8-6V
27mm x 27mm x 20mm
30g
-
JR DS3500G
JR
Heli/Gyro, 4.8V Only
Digital Mini High Speed
27 oz/in (1.92 kg/cm)
-
0.07 sec/60 degrees
-
33mm x 27mm x 15mm
25g
-
Nylon

 

JR G770T & DS8900G Combo

The G770T gyro and DS8900G servo are available separately or as a combo.  Either component can improve your current machine - together they’ll transform it.

Gyro
Manufacturer
Type
Data Setting
Data Display
Compatibility
Gain Control
Voltage
Dimensions
Weight
Manual
Servo
Manufacturer
Applications
Type
Torque 4.8V
Torque 6.0V
Speed 4.8V
Speed 6.0V
Dimensions
Weight
Bearings
Gear Type
JR G770T
JR
SRVS UltraLok
Tx + Onboard Pots
-
Futaba, JR, Hitec
Remote
4.8-6V
27mm x 27mm x 20mm
30g
-
JR DS8900G
JR
Heli/Gyro, 4.8V Only
Digital High Speed
72 oz/in (5.14 kg/cm)
-
0.05 sec/60 degrees
-
41mm x 38mm x 20mm
59g
-
Nylon

 

The JR G750T MICRO GYRO

JR’s G750T Micro Gyro suits for 600size and smaller electric helicopters. Features heading hold and full metal jacket and only 20gram!

This small gyro is metal cased to reduce the possibility of interference from speed controllers or motors in electric models, though it is equally suitable for use in IC powered machines.

Specifications:

  • Size: 10.5×27x25.5mm
  • Weight: 20g
  • Current: 45ma
  • Function: Head lock/normal, Gain, EP/GP mode, Servo Limit, Auto center detect, Servo Reverse.
  • Recommend Servos: DS3500G, DS8400G, DS8900G
  • Dimensions: 10.5 x 27 x 25.5mm
  • Gain Type: Heading lock and normal rate modes interlocked with Gyro Gain
  • Operating Voltage: 4.8 to 6.0 V (Note: Most tail servos are limited to 4.8V)

 

JR G7000T Gyro

JR’s G7000T utilizes a new state-of the-art Silicone Ring Sensor for outstanding holding power and drift-free operation. It also offers extreme tail lock holding power, and is designed specifically for helicopter use on the yaw (rud­der/tail rotor) axis only.

The G7000T offers an additional and unique tail lock gain adjustment feature that allows the pilot to fine-tune the strength of the tail lock holding gain to match the pilot’s individual flying style and equipment.

The G7000T’s multi case design provides easy installation in a wide variety of models.

Other features include Auto Trim which automatically compensates for any difference in trim between Normal & Tail Lock modes. Tail Lock can also be selected remotely from the transmitter, & the tail lock efficiency can be adjusted at the Tx too. A battery voltage checker offers a built in way of checking the Rx battery voltage: Green at 4.7v & above, orange between 4.3-4.7v & red at under 4.3v. The G7000T is designed for use with a high speed servo with maximum performance being attained using the JR NES-8700G.

In addition to the rock-solid vibration resistance and drift-free stability of its silicone ring sensor, the new G7000T’s processing circuitry delivers a solid, refined JR feel that stands head and shoulders above anything else out there. It also offers the kinds of tuning options you would expect in a pro-class gyro such as independent right and left travel limit adjustments for the tail servo and remote gain.

One of its more impressive turning features is its remote tail lock adjustment that lets pilots choose how much tail lock control they want. For instance they can dial in 100% max tail lock for stationary 3D maneuvers and then select a reduced percentage of tail lock-to-rate mode mix for softer tail-lock control during high-speed maneuvers.

Installation involves just three leads and is basically plug and ply. No other tail lock gyro offers such a perfect blend of sophistication and simplicity.

Key Features:

  • Independently adjustable right and left tail servo travel limits
  • Remotely adjustable tail lock = to-rate mode mix
  • Silicone ring sensor
  • Drift-free stability
  • Vibration resistance

G7000T/8900G – a Gyro/Servo Combo:

To fully experience the awesome holding power of the JR G7000T Tail Lock Ring Gyro, you need the precision only a JR tail servo can provide. That’s why JR offers this phenomenal gyro in a combo package with the exceptionally smooth and powerful JR DS8900G High-Speed Super Servo.

Specifications:

  • Sensor Type: Silicone Ring sensor
  • Weight: Sensor: .8 oz(23g) Amplifier: 1 oz(27g)
  • Gain Type: Dual Remote w/Tail Lock
  • Operating Voltage: 4.8V-5.1V

 

JR G170 Piezo Gyro

One of the smallest, thinnest, lightest, and most of all, cheapest gyros ever made!

  • Lightweight
  • Dual gain
  • Micro gyro for electric and small I/C helicopters.

Specifications:
> A micro, dual gain gyro
> Size 9 X 28.5 X 21mm
> Transmitter switchable
> Non heading lock
> Weight 9 grams

 

G250TG Gyro

Product Name: JR G250TG

Helicopter Class:
EP Helicopter only (500 class & smaller)
Recommended Servo:
DS380G / DS3500G
Input Voltage: 4.8V – 6.0V
Operating Current: 72mA
Weight: 7g
Dimension:
23.4(W) x 23.4(L) x 8.8(H)
Harness length: 170mm

Gyro Gain: Remotely Adjustable

Tail Lock: Interlocked with Gyro Gain

Functions: Reverse Switch, Deadband Switch, LED Indicator, Servo Travel, Auto Trim