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JP Hobby ER-120 Tricycle Full Set with Brakes (Boomerang Nano 1.5m) + Controller


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JP Hobby

Electric Retract ER-120 (Boomerang Nano 1.5m)
> Model Weight: until 12kg
> Struts diameter: 13mm
> Mounting diameter: 12mm
> Angle: 3x 90 degrees
> Rotation direction: 3x Inside (jack side) 
> Mounting: 3x Low
> Wheels: 2x 65mm (with brakes) + 1x 50mm

More details


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329,00 € tax incl.

Data sheet

SerialJP Hobby ER-120 (12kg)
Mounting diameter (mm):12
Strut(s) Diameter(s) (mm):13
Wheel(s) axle(s) diameter(s) (mm)5mm (Main) - 4mm (Front)
Weight (gr):678 gr
Max weightUp to 12kg
Rotation angle90°
Rotation directionInside (jack side)
Working voltage (Volts):5 to 8.4v (2s LiPo recommended)
Connection:JP Hobby JST type plug (+/-) for JP Hobby retracts
MaterialAluminium, Rubber

More info

JP Hobby ER-120 tricycle Full set with Brakes and Controller for Boomerang Nano 1.5m model

CNC Machined aluminium articulated and mechanical suspended « scale » electric landing complete gear set including 1x50mm front wheel and 2x65mm wheels with brakes system and 3 retracts with a JP Hobby V1 version controller controller retract box which includes an electrical magnetic brake controller. Main gear and single nose gear. For planes up to 12kg.


  • Materials: Aluminium
  • Suspension: mechanical
  • Wheels: ball bearings mounted
  • For planes up to 12kg
  • Linkage for Outward/Return cable control (steel cable not included)

Technical Specifications

  • Struts diameter: 13mm
  • Mounting Struts diameter: 12mm
  • Main gear wheels diameter: 65mm
  • Nose gear wheel diameter: 50mm
  • Wheels axle diameter: 5mm (Main) - 4mm (Front)
  • Weight: 678g (for the complete set including the 3 struts, 3 retracts, wheels and the controller)
  • Dimensions: for detailed dimensions, please refer to the pictures
  • Working voltage: 5-8.4V (2S LiPo)
  • Brakes working voltage: 7.2-30V


  • 2x Scale metal struts for main landing gear equiped with 65mm wheels & brakes system
  • 1x Scale metal strut for nose gear equiped with 50mm wheel and linkage
  • 3x Electric Retracts JP Hobby ER-120 12mm (12kg/Low/Inside)
  • 1x JP Hobby ER-120 V1 version All Integrated controller retract box (doors opened when the gear is down)


  • 2 cells battery


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