HIROBO SDX 50 SWM FZ-V (0403-971)

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HIROBO SDX 50 SWM FZ-V (0403-971)

 The Hirobo SDX 50 is fitted with the all new FZ-5 rotor head, which is based on the SSZ rotor head used on the Turbulence D3 to win the 2007 3D Masters and 2008 XFC championships. It is the result of Hirobo's never-ending pursuit of excellence, by balancing stability, manueverability and performance for .50 size machines. The head precisely follows your most minute stick movements. The new SDX is Hirobo's answer for every helicopter flyer, from novice to top-level 3D and F3C pilots.

Rotor Head Features:
  • Maximum 30° pitch stroke possible for 3D setting
  • Can be adjusted for wide range of performance levels from beginner to expert
  • Spindle is same as 90 size SSZ-4 head
  • Spindle diameter is increased from 6mm to 8mm
  • 2 pcs plastic yoke is same size as SSZ-4 yoke
  • Metal SSZ yoke can be used as optional item
  • New design blade holder with 8mm Thrust BRG
  • Aluminum center hub is same size as SSZ-4
  • Blue anodized SSZ-4 center hub can be used as optional item
  • SSZ-4 seesaw, mixing arm, slide block can be used as optional items


  • Length: 1,200mm
  • Width: 186mm
  • Height: 395mm
  • Weight: 50 class 3,400g
  • Gear ratio: 8.7:1:4.71

Other features of this new Hirobo SDX50 includes the new 90/120/135 swashplate design that uses a 25mm ID bearing that is designed to allow for more aileron/elevator movement with minimal binding. Additional ribs are incorporated to the new mainframe for added rigidity while the lower skid profile adds to better stability.

This SDX50 SWM model allows the rudder servo to be mounted either at the front of the main frame or on the boom.

Note: This kit do not include engine, muffler and blades.


Fuselage length: 1.220 mm

Main rotor dia: 30 class 1.248 mm / 50 class 1.348 mm

Tail rotor dia: 258 mm

Gear ratio: 30 class 9.66 : 1 : 4.65   50 class 8.4 : 1 : 4.71

Suitable R/C: For helicopter radio (not included)

Engine: 30 ~ 50 class (not included)

Overall weight: 30 class Approx 3200 g / 50 class Approx 3400 g

Did you know?

HIROBO SDX 50 SWM FZ-V (0403-971). This is the upgraded version of the previous version of the SDX 0403-955.

HIROBO SDX 50 SWM FZ-V (0403-971)

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