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DISC.. NX4 Combo B Maximize

DISC.. NX4 Combo B

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The Gaui NX4 is a torque tube driven extreme 3D flybarless helicopter that is made with full carbon fiber frame and CNC aluminum rotor head. Its newly designed CCPM control system is capable of good precision for enhanced hovering and 3D flight control. This Combo includes 5x Gaui coreless metal gear servos and Gaui Mini VBar for best flybarless flight performance with programming capabilities.

More details



In stock, inmediate shipment Last article in stock at our shop Shipping within 24/48 working hours.

 Shippingcosts from 6.99€
or collect for free at the shop. .

400,00 €

1 043,62 €


More info

  • First production model of its kind. 425mm Nitro powered by 37 size Engine.
  • Extremely easy to tune engine.
  • 220cc/9oz fuel tank provides 6.5 min+ flight times.
  • Incredible fuel economy allowing close to 17 flights/gallon of fuel.
  • Excellent power to weight ratio similar to most .90 sized Nitro Helicopters.
  • Simple, robust, reliable frame construction. Carbon side frames same part # both L & R.
  • Plenty of frame space for mounting electronics.
  • “Electric feeling” gear ratio-model provides excellent low-end torque and is very forgiving for inexperienced pilots.
  • Many parts shared with GAUI X4 and GAUI X5.
  • Direct Servos -> Swash for 120-degree CCPM providing extremely easy setup and operation. 
  • Adjustable servo mounting blocks for precise CCPM operation.
  • Accommodates “Mini” sized servos.
  • 8mm Main Shaft.  6mm Head Axle (spindle).
  • Stylish pre-painted FRP Canopy.


  • Length (with canopy): 900mm
  • Height: 315 mm
  • Width: 165mm
  • Main Blade Length: 425 ~ 460mm
  • Tail Blade Length: 70 ~ 77mm
  • Main Rotor Diameter: 972 ~1007mm
  • Tail Rotor Diameter: 222mm
  • Weight: 1988g 3% (with engine and electronics, no fuel)
  • Gear Ratio: 7.06: 1: 4.36
  • Tank Capacity: 220cc / 9oz
  • Servos: Mini

Data sheet

  • Manufacturer : Gaui
  • Level of difficulty (1 to 3) : 2
  • Type : To build

What you need to complete

  • Radio
  • Receiver
  • Gyro
  • Engine
  • Muffler
  • Engine starter
  • Receiver batter

Composition Kit

  • 313450-FRP painted canopy
  • 313500-NX4 CF Tail Rotor Blade Set (77mm) x1
  • 313600-CF main blades (425L-CFA) x1
  • 922511-GS-511 Coreless metal gear Mini Servos x4
  • 922518-GS-518 Coreless metal gear Mini Servo x1
  • GAUI Mini VBar x1



DISC.. NX4 Combo B

400,00 €

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