SG571  SAB Goblin 570 Flybarless Electric Helicopter Grey/White 

General Specifications:

- Main rotor diameter: 1278 mm (with 570 mm blades) 
- Flybarless
- Main blade length: 550 to 575mm
- Tail rotor diameter: 260 mm
- Tail blade length: 95 mm
- Main shaft diameter: 10 mm
- Spindle diameter: 8 mm
- Weight including electronics: 2400 g (excluding batteries).

Special feature:

- Full carbon boom
- Battery tray 6S and 12S
- Inside carbon rod
- Dampened tail system 

Electronic Specifications:

- Cyclic Servos: Standards size 40mm
- Tail Servo: Standards size 40mm

-Typical speed controller:

-6S 100A 
-12S 80A

Maximum motor size: 4025 size (52 mm diameter, 56 mm height)

-6S 1000-1400 Kv
-12S 500-700 Kv

Battery compartment:

-6S 5000/5500 mAh. Max dimension 50x60x200mm
-12S 2600/3300 mAh. Max dimension 50x45x280mm