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



If the Manual doesn't show you can click here to open the document in a new window.

Radio icons

FrSky X10

FrSky X12s

Jumper T16

Jumper T18

Radiomaster TX16S

FlySky NV14

FlySky EL18

PNG (192x114)

FrSky X9D

FrSky X9E

BMP (64x32)

BMP (64x32)

FrSky X20

FrSky X20 Pro

FrSky XE

Kavan V20

PNG (300x280)

BMP Recommended (300x280)

FrSky X18

FrSky Twin

PNG (180x166)

BMP Recommended (180x166)

FrSky X10

FrSky X12s

PNG (180x160)

BMP Recommended (180x160)

FrSky X10

FrSky X12s

JPG (155x100)

Futaba 18MZ

JPG (158x80)

Graupner MZ16

Graupner MZ32

BMP (158x106)

Jeti DS-24

PNG (320x240)

Spektrum ix12

Spektrum ix20

JPG (266x164)

Similar Models

Some content in menu 2.

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.

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
4,621 models
(55,452 icons in the database)

Although I do my best to complete this library, you may not find the model you are looking for.

In this case, do not hesitate to ask me to add it : You're not bothering me. Please be patient, depending on my workload, I may take a few days to work on your model and gather information.

Ask for a new model

Generate your own image


Cessna 182 Turbo Skylane
Dart Sweepforward Wing
F4U Corsair

A simple 'thank you' or a kind message is my first salary but if you think this website is useful, if you like the content, the service and if you want to participate to the hosting, feel free to donate. I thank you in advance.

Read me
Recent Changes
AIR-RC is the largest online database about RC Model Flying and it's growing...
Each model has descriptions, specifications, photos, video, icons for your radio and links to shops and manufacturers.
We sell nothing, it's made by RC hobbyist for RC hobbyists. Enjoy !
Copyright AIR-RC © 2024