Synergy 516 from Synergy R/C Helicopters



  • All-metal and 2mm carbon fiber construction
  • CNC machined 6061-T6 aluminum and Delrin components
  • 140mm full head width for optimal disk loading
  • Extra wide head block for quick cyclic response and high stability
  • Capable of 2800+ RPM head speed for maximum performance
  • Machined Delrin helical main drive for quiet, efficient power transfer
  • 6mm width belt-driven tail with spring tension system
  • 10mm main shaft with triple support bearings
  • 8mm head axle with pivot rocker and solid dampers
  • 6mm tail shaft with HD tail hub and HD grips
  • 24mm self-supporting boom (no boom supports needed)
  • Turnbuckle linkages for quick/precise adjustments
  • Adjustable C.G. battery tray with quick locking system



Radio icons

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FrSky X20/X20s Ethos
FrSky Horus OpenTx
FrSky Horus FrOs
FrSky X9D/X9D+/X9E
Spektrum IX12 & IX20
Futaba 18MZ
Jeti DS-24
Graupner MZ-16 & MZ-32
Radiomaster TX16S
Jumper T16 & T18 series

Similar Models

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We cannot guarantee that the shops listed below do sell the Synergy 516 in particular but at least we know they do distribute Synergy R/C Helicopters.

Where to buy

AMain Hobbies
check web site
Ship to: USA

Wingspan: 520mm (20.5 in)
Length: 520mm (20.5 in)

Weight: unknown
  • Motor: 4020 class with 5mm shaft (1350-1400kV recommended)
  • ESC: 6S 90A or greater
  • Main Blades: 500-520mm (516 Rail Blades recommended)
  • Tail Blades: 80-85mm (80.6 Rail Blades recommended)
  • Battery: 6S 3850-4500 mAh
  • Cyclic Servos: Mini
  • Tail Servo: Full (760us tail servo recommended)
  • Main Ratio: 11.31-9.53:1 (18T included; 10.06:1)
  • Tail Ratio:  5.0-4.1:1 (20T included; 4.5:1)
  • Main Rotor Diameter 1172.25mm (with Rail 516mm)
  • Tail Rotor Diameter 227.5mm (with Rail 80.6mm)

Official Synergy Recommended Equipment:
This is the exact equipment tested and proven in the Synergy 516, results may vary if equipment outside of this recommendation is used.

  • Cyclic Servos - MKS9767 or BK5001 (Mini Servos Only)
  • Tail Servo - Futaba BLS276 or MKS HBL980 (Full Size Only)
  • Motor - Scorpion 4020-1350
  • FBL System - CGY750 or Vbar
  • ESC - Castle Creations Talon 90 (BEC at 8v)
  • Main Blades - Rail 516
  • Tail Blades - Rail 80.6


Synergy 516 (Black Blue Yellow)
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