Thunder Tiger 4790-K10 Raptor 90G4 E720 Electric Heli Kit

This is the radio controlled, electric powered, flybar version Raptor 90G4 E720 Helicopter Kit.

Designed by Shigetada Taya, FAI World Champion.

For Intermediate to Advanced RC Heli Pilots.

Features

• Thunder Tiger 4790-K10 Raptor 90G4 E720 Electric Heli Kit

• Control System: 135/140° Collective Cyclic Pitch Mixing (CCPM), +/-15° collective pitch range, adjustable Bell-Hiller mixing ratio can be set for F3C or 3D

• Main Frame: 0.08" (2mm) thick carbon

• Rotor Head: All metal

• Drive System: Torque tube for 100% power transfer and crisp tail rotor response

• Motor Mount: Adjustable, top mounted motor placement for better center of gravity, adjustable pinion bearing block

• Main Shaft: 15mm diameter hardened steel, hollow design

• Tail Boom: Carbon with carbon support and one-piece metal bracket, bottom mounted ESC on tail bracket for efficient heat dissipation and easy maintenance

• Tail Rotor System: All metal, heavy duty with rotor rod guide and heavy duty helical bevel tail gears

• Tail Case: One-piece machined metal

• Tail Blades: Carbon, 4.1" (105mm) in length

• Canopy: FRP, preprinted red in color

• Main Gear: Lightweight and vented heavy duty 17mm helical

• Landing Gear: Nylon with aluminum skids

Specifications

• Fuselage Length: 53.3" (1354mm)

• Main Rotor Diameter: 63" (1604mm)

• Tail Rotor Diameter: 11" (280mm)

• Weight (Fully Equipped): 8.27lb (3750g)

• Height: 16.9" (430mm)

• Main Rotor Length: 27.2 - 28.3" (690 - 720mm)

• Tail Rotor Length: 4.1" (105mm)

• Main Gear/Pinion: 111/11T standard, (12 or 13 optional)

• Gear Ratio: 1:10.09:4.67 standard

Contents

• Flybarless Raptor 90G4 E720 Helicopter Kit with FRP Canopy, Tail Boom Motor Mount, Quick Release Battery Tray, Flybar and Instruction Manual

Requirements

• Motor: Brushless, 470 - 520kV, 450 - 470kV, Scorpion brand or Steve Neu 1912 520kv motor recommended (neither brand carried)

• Pinion Gear: 12T (w/470 - 520kV motor) 13T (w/450 -470kV motor)

• Radio: At least 6-channel with receiver battery

• Gyro: Heading hold

• Battery: 12S (6S x 2) 5000 - 6000mAh at least 25C

• Battery Charger: LiPo compatible

• ESC 80 - 120A

• Main Blades: 690mm or 710mm carbon fiber

• Tools and field equipment