General Specifications
Electronic Specifications
Main rotor diameter:1728 mm (with 770 mm blades)
Main blades: 770 (720 to 770)
Tail rotor diameter: 295 mm
Tail blades: 110 mm (max 110)
Weight including all electronics excluding batteries:4040 g
Ratio 11.9 / 8.6:1 (21T pulley included in kit for 10.2:1 ratio)
• Cyclic Servos: Standard size (40mm)

• Tail Servo: Standard size (40mm)

• Typical Speed Controller: Kontronik Kosmik 160/200, YGE 160

• Typical Motors: Pyro 800-480, Quantum4530-450, Scorpion 4530-450, - Max. 65 mm diameter x 80 mm height

• Battery compartment: 75 x58 x 350mm

Kit Includes:

• 21T motor pulley (other pulley sizes available)

• 2 battery tray

• 770 mm main blades

• 110 mm tail blades

The following motor pulleys are available:
18T Pulley (P/N H0175-18-S) Ratio 11.9:1

19T Pulley (P/N H0175-19-S) Ratio 11.3:1

20T Pulley (P/N H0175-20-S) Ratio 10.7:1

21T Pulley (P/N H0175-21-S) Ratio 10.2:1

22T Pulley (P/N H0175-22-S) Ratio 9.8:1

23T Pulley (P/N H0175-23-S) Ratio 9.3:1

24T Pulley (P/N H0175-24-S) Ratio 8.9:1

25T Pulley (P/N H0175-26-S) Ratio 8.6:1

http://www.goblin-helicopter.com/shop/imagesdesc/keyfeas.jpg

            
• New head with 2-piece blade grip preserves grips in the event of a crash. New, stronger main linkage.   • New 2mm frames.   • Metal main gear, 19 mm Gates GT3 motor belts, double one-way bearing   
• New strong landing gear.

            
• Aluminum tail case for increased stiffness   • New dampened tail rotor system, slop free, very durable.   • Battery tray.   • Canopy saver, protects the canopy edges from scuffing.