| This is the brand new 4 CH
EC-120 Twin-Rotor-Coaxial helicopter. This helicopter is one of the
newest dual-rotor in the market. The Twin-Rotor-Coaxial-Twin-Rotor
design the helicopter has extreme stability in taking off and easily
control by any beginner pilots.
The CH EC-120 is a beginner-friendly rc helicopter enjoyed by
inexperienced/experienced flyers. Its unique design makes it easy to
configure, control, and more fun to fly. It is designed to train pilots
and entertain them by delivering a stable flying platform capable of
controlled indoor and outdoor flight course .
The CH EC-120 has two sets of main rotors and a freewheeling tail
rotor that does not affect flight. The counter-rotating main rotors
eliminate the need for tail rotor compensation because they move in
opposite directions, canceling each other’s rotational torque . In
addition, the blade sets give it an added bit of gyroscopic stability,
which allows mere mortals to hover it with prowess.
The lower rotor provides cyclic control for the heli. To yaw the
helicopter (left and right), one of the main rotors either slows down or
speeds up to create an imbalance in torque. This results in the CH
EC-120 turning in the direction opposite to the rotation of the faster
moving rotor. Since the CH EC-120 is fixed pitch, collective control is
governed exclusively by throttle.
On the CH EC-120, the roll cyclic is a bit more responsive than its
pitch cyclic (fore/aft control). This is because the very small range of
cyclic control can more easily roll the heli than it can pitch it along
the length of the body. This attribute actually helps make the CH EC-120
stable. For a heli of this size, the responsiveness on both axes is
appropriate.
For beginners, flying theCH EC-120 out of ground effect (first few
inches off the ground) is not difficult either. Unlike other micros, the
CH EC-120 tends to rise evenly rather than skate across the floor
laterally. If you punch the throttle, it has no hesitation in climb
either. The Li- poly battery will help to achieve better performance
and longer flight time.
- Improved version! This is the 2009 version with a lot of
adjustment and improvements
- 4 Channel remote control set includes complete
Forward/Backward, Left/Right, Up/Down control (RUDDER, AILERON,
ELEVATOR, AND THROTTLE)
- New Look Transmitter, New Look Cabin, Improved Mixer/Gyro
Control, More Stable Flight, even first timer can control easily
- Coaxial counter-rotating blades cancel out the rotational
torque that makes hovering a conventional helicopter so difficult.
- Precise controlling and hovering
- Dual counter rotating rotor which eliminates the need for a
tail rotor
- Rudder is controlled using variation in speed of each level of
the rotor blades
- Reliable high quality mixer with built-in gyro board
- Pre-positioned servo mounts for easy set up
- Scale appearance
- Factory Pre- assembled, zero assembly time
- Suitable for Indoor/Outdoor/Backyard/Park
- Powered by 1000mAh Li-polymer battery. Longer flight time.
- The main rotor blades are using top quality plastic materials,
which is not easily break
- Digital Proportional Motor Speed Control
- Separate servos from mixer, more precision movement
- Trimming of servos can be done both on helicopter or on
transmitter
- The Sliding swash plate can help you operate the R/C
Helicopter Freely
- Approximately 15 minutes flight time on each charge - Optional
Li- poly battery will help to achieve better performance and
longer flight time
- Best choice for Beginner - Advanced hobbyist
- Can be hovered with so much ease, you can do it with only one
hand. Your Kid will LOVE it, Good for any Age group, Male or
Female
- All spare parts and accessories are available
- Complete Kit, Ready to Fly (Everything is included and 100%
assembled -- only required 8 AA batteries for the transmitter to
start flying)
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- Main rotor diameter: Approx. 340 mm
- Tail rotor diameter: Approx. 80 mm
- Overall length: Approx. 405 mm
- Overall height: Approx. 180 mm
- All-up weight: Approx. 190g (Battery included)
- Driven system: 2* 130 carbon brush motor
- Servo: 2X 7.6g Servos and inside Gyro
- Battery: 7.4V 1000mAh Li-polymer
- Control system: 4CH Multifunctional FM Transmitter and
Receiver
- Radio Control Range: 2500 feet (762m)
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- Helicopter (100% Assembled)
- 4 Channel Multifunctional FM R/C Transmitter
- 100 ~ 240V Wall Battery Charger
- High Quality 7.4V 1000mAh Li-Polymer Rechargeable Battery
- Extra Pair of Main Blades
- Instruction Manual
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