RC helicopter , helicopter , FJ-716 6CH Aeromodelling Helic

RTF Dragonfly 83 3D

Specifications :
1. Main Rotor Diameter : 900 mm
2. Tail Rotor Diameter : 175 mm
3. Overall Length : 820 mm
4. Engine Model : 15A
5. Battery : 4.8V 650mAh Ni -MH
6. All-up Weight : 1100g (Without fuel)
7. Receiver : RX-702
8. Transmitter : WK-0703
9. Gyro : WK-G007
10. Rudder : Weight 9.1g; Speed 0.12sec/60°(4.8V); Torque 1.1kg/cm (4.8V); Dimension 22.5X11.8X27mm
11. 20g Servo : Weight 22.6g; Speed 0.18sec/60°(4.8V); Torque 2.0kg/cm (4.8V); Dimension 28.5X13.5X29.6mm

Features :
1. CCPM mixing control system and collective pitch structure make perfect 3D aerobatics like rolls, swoop, and inverted flights.
2. Metal rotor head, metal swashplate and metal tail fiber frame structure, built with legerity and novelty. The autorotation landing system, made of high quality one-way bearing, minimizes damage to your helicopter during unplanned landing.
3. Tail blades driven by belt provide easy adjustment, stable flight, and low noise.
4. 15A fuel engine of high performance is powerful.
5. WK-0703 LCD transmitter with adjustable pitch (PIT) parameter, rudder mixing, throttle curve & servo exponential make flight more stably and precisely.

Knight 50 Pro KIT

pecifications :1. Length: 1270mm
2. Rotor Diameter: 1360mm
3. Gear ratio: 8,7:1:4,8
4. Take-off weight: 3,3kg
5. Engine size: 50
6. Rotor blades: 600 to 620mm
7. Metal Rotor Head

Features :
1. Easy Maintenance
2. Easy Assembly
3. Large Pitch Range
4. Fully Ball Raced
5. Hardened Main Shaft
6. Hardened Tail Shaft
7. Precise Controlling
8. Modular Design
9. 120° CCPM Swashplate Control
10. Dual Pin Zero-Slop Tail Pitch Mechanism
11. Ball Bearing Supported Washout Arms & Links

Knight 50 3D KIT

Overview :
The Knight 50 3D is a value priced 3D helicopter that is 100% performance oriented.
It is capable of demanding 3D maneuvers, yet can be detuned to appeal to the beginning pilot.
Several unique design features make this value priced heli attractive.

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

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

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)