Thunder Tiger CORP. -- Raptor E720 Kit NO.4790-K10

Raptor E720 Kit

Item No. 4790-K10
Full Length of Fuselage(mm / in.) 1.367mm (53.8") 
Full Width of Fuselage(mm / in.) 221mm(8.7") 
Total Height(mm / in.) 462mm (1.82") 
Main Rotor Dia(mm / in.) 690~720mm/(27.2~28.3")/1.584~1.644mm(62.4~64.7" 
Tail Rotor Dia(mm / in.) 105mm(4.1")/280mm(11.0")as standard 
Gear Ratio 1:9.25:4.67 (standard) 
Full Equipped Weight(g/ lbs.) 3.650-gram(8.05Ibs) 


With an all new innovation design that leaps far ahead of all competitions- the bold new 90-size Raptor G4 series from Thunder Tiger, a name you have known and replied upon for quality and high performance helicopters for decades, is going to unleash your imagation. The brand new G4 is designed from a clean sheet for maximum innovative configuration, can be nitro engine or electric powered, flybared or flybarless rotor system, which can be full fill expectations from the most demanding and ambitious 3D and F3C pilots. 

The superbly engineered, precision made all-metal rotor and control system yield silky handling links you to the machine as one entity. Ultra high performance, smooth, fast and agile, the G4 is capable of winning F3C contests or 3D competition. The Raptor G4 will make your flying dream come true.


1.Easy & fast conversion between flybared or flybarless rotor system
2.Hardened 15mm steel main shaft
3.Adjustable Bell-Hiller mixing ratio can be set for F3C or 3D (Raptor 90G4 & Raptor E720)
4.Aerodynamic carbon paddle (Raptor 90G4 & Raptor E720)
5.Collective pitch range +/-15 degrees (Raptor 90G4 & Raptor E720) 
6.High-quality, color shifting preprinted FRP canopy
7.Lightweight and rugged landing skid for low center of gravity
8.Rigid 2mm carbon main frame
9.Lightweight, high- quality screws hardware 
10.All metal servo horns & control arms assembly eliminate the need for upgrades
11.Lightweight and vented,high-duty 17mm helical main gear
12.Innovative Quick-calibration system
13.A easy conversion between nitro and electric powering 
14.Heavy-duty helical bevel tail gears
15.Lightweight, one-piece machined metal tail case
16.All metal, high–precision & heavy-duty tail rotor system
17.Efficient torque tube drive system for crisp rudder response and 100% power transfer 
18.Easy-install rudder rod guide
19.Lightweight one-piece metal tail boom bracket 
20.3D carbon vertical fin and carbon tail boom support
21.Optional carbon horizontal fin available (Option parts)

Innovative Quick-calibration system









Spare Parts List

Optional Parts List