Knight 50 3D RC Helicopter KIT

Specifications:
Length: 1270mm (50.0")
Height: 426mm (16.8")
Width: 217mm (8.5")
Main Rotor Diameter: 1360mm (53.5")
Tail Rotor Diameter: 250mm (9.8")
Take-off Weight: 3.55 kg (7.8 pounds)
Gear Ratio: (engine : main rotor : tail rotor) 8.7 : 1.0 : 5.0
Engine Size: 8.2cc (0.50 ci)

Features :
Easy Maintenance
Easy Assembly
Large Pitch Range
Hardened Main Shaft
Hardened Tail Shaft
More Than 50 Bearings
Precise Controlling
Aluminum Main Rotor Hub
Belt Driven Tail Assembly
Thrust Bearings in Main and Tail Rotor Grips
3D Rated Head Dampeners (stiff) Installed
Lightweight Main Frame and Servo Tray
The stronger G10 main frame designed
Easily Accessible Engine
Autorotation Bearing with Driven Tail Gear
120 Degree CCPM Swashplate Control
Dual Pin Zero-Slop Tail Pitch Mechanism
Ball Bearing Supported Washout Arms and Links
Wide 25 degree Collective Pitch Range
Ultra Wide 95 degree Tail Pitch Range
35 degree Flybar Tilt Range

What we liked about the Knight 50 3D :
Flies well with inexpensive electronics
Metal swashplate and headblock
Dual pin tail rotor pitch mechanism
Belt drive (quick and easy to repair)
Driven tail for tail control during autos
Fully ball bearing supported controls
Thrust bearings in both main and tail rotor heads
Responsive CCPM controls
Very quick to build, no need for much disassembly
locktite on in most necessary places
3D ready out of the box, fully capable
Lightweight 50 class heli, at only 7.8 pounds
Inexpensive replacement parts
Modular design
Accepts standard size servos

Length: 1270mm (50. 0")
Height: 426mm (16. 8")
Width: 217mm (8. 5")