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For the serious heli modeler who demands the very best in a mini-sized electric machine, there’s only one kit that delivers on all counts: the X-Cell Furion 450. Only the finest materials have been utilized, sourced from all over the world. Those materials have been combined with the latest construction techniques and the most rigorous testing imaginable to develop a true contest-winning machine. Quality, craftsmanship and attention to detail — the X-Cell Furion 450 is first-class flying all the way.

Ultra lightweight carbon fiber frames and metal blade grips with thrust bearings are two examples of the quality features designed into this great helicopter! Carbon Fiber Frame Version Kit Includes: EXI 500 CF Kit Main Rotor Blades NOT included. This is a kit version, assembly required. (the factory already completed the assembly for the rotor head, tail section, and main frame, you just need to put in the tail boom, main gear, and landing skid Features Electric Power System Simple lightweight design provides an awesome flight performance and extreme 3D capability Rigid Carbon Fiber Frame design Beautiful Factory Painted  Plastic Canopy Rotor head/tail with thrust bearings Direct to swash CCPM linkage Center of gravity battery tray designed close to the rotor head Tail rotor drive belt system Fully driven tail auto rotation system Tail servo mount boom CNC-Complete Rotor Head CNC-Complete Tail Assembly CNC Aluminum Tail-Boom Holder Specifications: Length: 850mm Height: 310mm Main Blade Length: 425mm Main Rotor Diameter: 970mm Tail Rotor Diameter: 200mm Motor Drive Gear: 12T/13T Main Drive Gear: 162T Autorotation Tail Drive Gear: 145T Tail Drive Gear: 31T Drive Gear Ratio: 1:13.5:4.68/1:12.46:4.68 Weight (w/o power system): 935g Flying Weight: Approx 1700g Radio transmitter and electronic equipment required for assembly: Transmitter(6-channel or more, helicopter system) Receiver(6-channel or more) Mini servo (3) Head lock gyro Specialized Tail Servo Pitch gauge 60A Brushless ESC 500 size Brushless motor (1600KV) 22.2V 6S Li-Poly 2100~2500mAh battery 425mm main blade Carbon Fiber Frame Complete CNC-Rotor Head Complete CNC Tail Boom Assembly Complete CNC-Tail Assembly

This 3 Channels Metal Helicopter can fly up, down, left, right, forwards and backwards, which gives you supreme control in even the smallest of rooms. It also has a proportional control, meaning you have precise accuracy! You have 10-15 minutes of fly time from one charge of the LiPO battery. The Metal Helicopter is made of a Aluminum body structure that withstand crashes. The Metal R/C Helicopter is fully assembled with all pre-flight adjustments completed. The twin, counter-rotating, main rotor blade design that totally cancels out main-rotor torque forces normally encountered with traditional helicopter types, the result is giving you a very stable and gentle flight characteristics.

Walkera HM 4-3B 2.4G Brushless Motor Edition is a evolution of the well-known micro helicopter - 4#3B. It is equipped with High Performance Brushless Motor, Electronic Speed Controller, High Speed Tail Motor, Redesigned Body Frame, 2.4GHz advanced radio system, Metal Swashplate, Metal Blade Clamp and Metal Rotor Head. This is the latest 2.4Ghz Walkera 4-3, the super micro radio controlled helicopter, come in Ready-To-Fly package with all the necessary items inside. It is stable and easy to fly, you can learn how to fly it in 1-2 days. Its overall length is only 185mm controlled by 2 x 3.5g only micro servos. With compact 90 degree swash plate structure, the servo and other parts are easy to install. The tiny 4-in-1 controller is integrated with Receiver, ESC, Gyro and Mixer with high sensitivity and strong resistance to interference. The 4-channels 2.4Ghz transmitter with over 100+ channels allows you to find different 2.4Ghz at the same time without collision, also the power indication avoids the crash caused by lack of transmitter electricity. Walkera HM 4-3B Features The 4#3 comes with a small and simple layout that’s very clean and robust. Everything flows really well, as the writing is organized and all the components are laid out with room to spare. Super mini servo (3g) is prompt and accurate in reaction; One cell Li-Po battery at 3.7V 400mAh offers 8- to 10-minute flight after fully charged; 4-channel transmitter with visible power indicator can avoid helicopter losing control due to the shortage of battery power, and support you to fly without any worry. ROTOR BLADE The main rotor blades are conventional plastic blades commonly found in fixed pitch designs, it is designed with a predetermined angle of attack and both blades are attached together in a single assembly. The blades also have a unique color scheme (which is breath of fresh air) and even contains a well- written warning. COMPONENT LAYOUT The 4#3 uses two small servos that mount to both sides of the frame with all aluminum tabs directly below the swash. The motor is mounted inverted, directly in front of the aluminum swash and on the frame itself. There is a designated battery tray that is mounted to the main frame which snugly holds the battery. The receiver mounts on a tray in the very front which screws to the frame. LANDING GEAR The one- piece landing gear consists of a very thin wire- like metal materials that runs through a small top on the bottom of the frame. It can also be disconnected from the loops in the back. HEADBLOCK The aluminum head block a small o- ring type damping system due to the over lapping style plastic blades, and it is clamped to the main shaft. It also utilizes a swiveling fly bar that is attached with small brass inserts. CANOPY The plastic canopy comes pre- painted with a black windshield and a red and black color scheme. It has two slits in the bottom where the landing gear slides in, and it utilizes two grommets on the back that attach to a single plastic rod. SWASHPLATE The all aluminum swash plates are bearing supported and because of the heli’s fixed – pitch design it sits permanently in the same position. It is directly connected to only two servos with the use of integrated balls. It uses a anti rotation pin that slides freely in the anti rotation bracket. DESIGN The frame is a simple, small one piece plastic design. Both the plastic battery mount and front receiver tray both to it.                                                    >> DRIVE TRAIN >>> MOTOR MOUNT The motor is mounted directly in front of the main gear in an inverted position. It is bolted to the frame itself by way of two self- tapping screws. PINION The pinion is made of plastic and meshes directly to the main gear. MAIN GEAR The black plastic main gear is retained with a very small Jesus pin and has large cutouts in order to reduce its weight. TAIL DRIVE The tail is a motor driven so there isn’t any

    Model Platinum-150A-PRO Manual User Manual Preview Platinum-150A-PRO ESC belongs to Hobbywing's "Platinum" series products line, it is the most significant top-class product for aircraft and helicopter. 1 Typical Applications 1.1 Very powerful for 600 class helicopter (Working with 6 cells Lipo battery) 1.2  Very powerful for 700 class helicopter (Working with 6 cells Lipo battery) 1.3 Very powerful for huge scale aircraft such as F3A (Working with 6 cells lipo battery) 2 Specification 2.1 Output: Continuous 150A, burst 220A up to 10 seconds. 2.2 Input Voltage: 2-6 cells lithium battery or 15-18 cells NIMH battery. 2.3 BEC: None. 2.4 Control Signal Transmission: Optically coupled system. 2.5 Max Speed: 210, 000rpm for 2 Poles BLM, 70, 000rpm for 6 poles BLM, 35, 000rpm for 12 poles BLM. (BLM: BrushLess Motor) 2.6 Size: 88mm (L) * 55mm (W) * 16mm (H). 2.7 Weight: 125g. 3 Features 3.1 High performance microprocessor brings out the best compatibility with all kinds of motors and the highest driving efficiency. 3.2 Wide-open heat-sink design to get the best heat dissipation effect. 3.3 With 3 types of start mode: Normal / Soft / Very-Soft, compatible with aircraft and helicopter. 3.4 Smooth, linear, quick and precise throttle response. 3.5 The throttle signal is transfered through optically coupled system to avoid the electromagnetic interference. 3.6 Multiple protection features: Low-voltage cut-off protection / Over-heat protection / Throttle signal loss protection. 3.7 Perfect governor mode for helicopter. 3.8 The firmware of the ESC can be updated through the USB adapter on the Professional LCD Program Box. 3.9 User programmable. Several kinds of program methods are supported: transmitter, digital LED program card, advanced professional LCD program box, PC software. Very easy to program the ESC at home or at the flying field.

This is the latest 2.4Ghz Walkera Lama 400, the radio controlled helicopter, come in Ready-To-Fly package with all the necessary items inside. It is very stable and easy to fly, you can learn how to fly it in just 1 day. Its overall length is about 650mm (25.6 in). The tiny 4-in-1 controller is integrated with Receiver, ESC, Gyro and Mixer with high sensitivity and strong resistance to interference. The 4-channels 2.4Ghz transmitter with over 100+ channels allows you to find different 2.4Ghz at the same time without collision, also the power indication avoids the crash caused by lack of transmitter electricity. 4 Channel remote control set includes complete Forward/Backward, Left/Right, Up/Down control (RUDDER, AILERON, ELEVATOR, AND THROTTLE) New 2.4 GHz Spread Spectrum Transmitter, Awesome LCD Screen, Reliable Spread Spectrum Mixer/Gyro ControlStable Flight, Even First Timer can Control Easily New 2.4GHz technology, with the functions of automatic identification and precise code pairing, strong anti-jamming, and allow more than 20 aircrafts to fly at the same field at same time CNC-machined metal rotor head and coaxial structure, highly emulational shape with the-state-of-the-art workmanship New flashing LED head and tail lights 2.4G 4-in-1 receiving circuit with the functions of servo extent adjustment and built-in gyro sensitivity adjustment High performance 2 x 380PF motor, powered by 11.1V 1500mAh Lipo, offers up to 15 minutes flight time SUPER STABLE X-ROTATION SYSTEM, Easier to control than Original LAMA 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 Weight Saving Spread Spectrum 4-in-1 Mixer/Gyro/Receiver Board Reliable high quality mixer with built-in gyro board Suitable for Indoor/Backyard/Park flying Digital Proportional Motor Speed Control The main rotor blades are using top quality plastic materials, which is not easily break Separate servos from mixer, more precision movement Trimming of servos can be done both on helicopter or on transmitter 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 and Advanced hobbyist This helicopter is an ideal investment for those people looking to move onto the larger scale helicopters, and can give you excellent training in preparation to fly the big birds!! 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 -- 8 AA batteries for the transmitter not included)   Main Rotor Diameter: 497mm (19.6 inch) Length: 650mm (25.6 inch) Flying Weight: 580g (20.5 oz) Driven system: 2* 380PF carbon brushed motors Servo: 2x 8.4g micro servos (speed 0.12sec/60o(4.8V);torque 1.4kgf.cm(4.8V) ;dimension 22.5X11.5X24mm) Battery: 11.1V 1500mAh Li-polymer Control system: 4CH Multifunctional 2.4 GHz Transmitter WK-2402 and 4-in-1 Receiver RX-2413 Radio Control Range: 3300 feet (1000m)   Helicopter (100% Assembled) 4 Channel 2.4 GHz Spread Spectrum Multifunctional R/C Transmitter w/ Training Switch, Wall Battery Balance Charger LCD Screen 11.1V 1500mAh Li-Polymer Rechargeable Battery English Manual

This is the latest 2.4Ghz Walkera Lama 400, the radio controlled helicopter, come in Ready-To-Fly package with all the necessary items inside. It is very stable and easy to fly, you can learn how to fly it in just 1 day. Its overall length is about 650mm (25.6 in). The tiny 4-in-1 controller is integrated with Receiver, ESC, Gyro and Mixer with high sensitivity and strong resistance to interference. The 4-channels 2.4Ghz transmitter with over 100+ channels allows you to find different 2.4Ghz at the same time without collision, also the power indication avoids the crash caused by lack of transmitter electricity. 4 Channel remote control set includes complete Forward/Backward, Left/Right, Up/Down control (RUDDER, AILERON, ELEVATOR, AND THROTTLE) New 2.4 GHz Spread Spectrum Transmitter, Awesome LCD Screen, Reliable Spread Spectrum Mixer/Gyro ControlStable Flight, Even First Timer can Control Easily New 2.4GHz technology, with the functions of automatic identification and precise code pairing, strong anti-jamming, and allow more than 20 aircrafts to fly at the same field at same time CNC-machined metal rotor head and coaxial structure, highly emulational shape with the-state-of-the-art workmanship New flashing LED head and tail lights 2.4G 4-in-1 receiving circuit with the functions of servo extent adjustment and built-in gyro sensitivity adjustment High performance 2 x 380PF motor, powered by 11.1V 1500mAh Lipo, offers up to 15 minutes flight time SUPER STABLE X-ROTATION SYSTEM, Easier to control than Original LAMA 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 Weight Saving Spread Spectrum 4-in-1 Mixer/Gyro/Receiver Board Reliable high quality mixer with built-in gyro board Suitable for Indoor/Backyard/Park flying Digital Proportional Motor Speed Control The main rotor blades are using top quality plastic materials, which is not easily break Separate servos from mixer, more precision movement Trimming of servos can be done both on helicopter or on transmitter 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 and Advanced hobbyist This helicopter is an ideal investment for those people looking to move onto the larger scale helicopters, and can give you excellent training in preparation to fly the big birds!! 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 -- 8 AA batteries for the transmitter not included)   Main Rotor Diameter: 497mm (19.6 inch) Length: 650mm (25.6 inch) Flying Weight: 580g (20.5 oz) Driven system: 2* 380PF carbon brushed motors Servo: 2x 8.4g micro servos (speed 0.12sec/60o(4.8V);torque 1.4kgf.cm(4.8V) ;dimension 22.5X11.5X24mm) Battery: 11.1V 1500mAh Li-polymer Control system: 4CH Multifunctional 2.4 GHz Transmitter WK-2402 and 4-in-1 Receiver RX-2413 Radio Control Range: 3300 feet (1000m)   Helicopter (100% Assembled) 4 Channel 2.4 GHz Spread Spectrum Multifunctional R/C Transmitter w/ Training Switch, Wall Battery Balance Charger LCD Screen 11.1V 1500mAh Li-Polymer Rechargeable Battery English Manual

Setup/Tutorial Video Receiver-Ready Ver. 2.4GHz PDF Manual "The MOST AWESOME 3D Radio Controlled Helicopter! FULLY-LOADED 2.4GHz" The BlueRay 450PE a fully loaded version 2.4GHz PREMIUM EDITION CCPM 3D RC helicopter, 100% built, Ready-to-Fly!  Light and fast, this new machine from Exceed RC has everything you ever wanted.  The BlueRay 450 Premium Edition Helicopter is an advanced rc helicopter designed with the most updated current technology available and produced with the highest quality CNC machining. While most parts are compatible with the world's most popular 450 size electric helicopter such as the T-REX450, the BlueRay450 PE is designed with the best features available while eliminating all the weak points from the current T-REX SE.  All the hardware is high A-Grade with all hex screws supplied and high quality Germany-imported bearings.   What is 2.4Ghz Technology? New 2.4G Spread Spectrum technology allows the transmitter and receiver to be 'locked-on' to the same frequency ensuring much improved reliability and peace of mind when flying. Second, 2.4 Gigahertz systems offers quicker, more responsive control, when compared to a standard frequency system. Third, Operating at 2.4 Gigahertz also puts the radio control out of the frequency range of any 'noise' caed by the other electronic components on your helicopter - such as the motor, speed controller and any metal to metal noise - eliminating interference and glitching that can affect traditional frequency system. Fourth, another main characteristic of 2.4 Gigahertz equipment from a RC model club’s point of view is that no frequency control is needed. Eliminating the need to check everyone else's channel numbers, prior to flying. No more worries about turning up at a club with the wrong crystal in your Tx. The Exceed-RC BlueRay 450PE uses a combination of tough, lightweight aluminum and updated composite parts and is designed and equipped to be capable of the most extreme 3D maneuvers . And since it's 95% assembled, you can have it flying in just a few hours. We are also proud to offer this magnificent model as 3D capable right out of the box. Combining the knowledge of RC nitro collective precision along with the most advanced micro electric design concepts, we have arrived at a model that excels prepared to wipe out the competition. The Exceed-RC BlueRay 450PE offers collective pitch control that will let helicopter pilots to fly in almost any direction. Transitioning from forward flight to hover with smooth, solid control is a cinch and negative pitch is a breeze for aerobatics like loops and rolls. The installed mixing board controls mixing of the main and tail rotors. The board also contains speed controls, a external gyro for tail stabilizing and a BEC circuit that supplies power to the receiver and servos Expect only the best as you experience tight, precise control and quick response as the Exceed-RC BlueRay 450PE will dazzle you with agility and speed. Using the basics of micro electric design to keep components light and durable while distributing heat away from electronic, the Exceed-RC BlueRay 450PE is not only precise, but also efficient. When you combine precision and efficiency and add beauty, you will arrive at the Exceed-RC BlueRay 450PE : The Ultimate Super Electric Helicopter. Highlights 100% Ready-to-Fly 6 Channel 2.4GHz R/C Set included , complete Forward/Backward, Left/Right, Up/Down & Pitch Control (RUDDER, AILERON, ELEVATOR, Pitch AND THROTTLE) New CNC/Composite Fiber Super Frame; only 1.2 mm, improve the rigidity and perfect for 3D flying. High quality CNC aluminum alloy rotor head & tail set CNC Main Blade Grips CNC Main Rotor Hub CNC Washout Set CNC Swashplate CNC Tail Push Rod Support End w/ Carbon Fiber Rods CNC Tail Servo Mount CNC Horizontal Fin Holder CNC Tail Gear Case CNC Tail Pitch Lever CNC Tail Rotor System SuperFrame CNC Parts High rigidity/Strong aluminum tail boom CCPM version, new aluminum parts for prompt, precision acti

The Walkera 4G3 2.4GHz 6 channel Dragonfly helicopter comes packaged with everything needed and it is ready to fly right out of the box. Walkera HM 4G3 2.4G Metal Edition is a new generation palm size helicopter equipped with 2.4G advanced radio system and metal upgrades. To compare it with other palm size helicopters, 4G3 offers more stable, silence and smoother flight. This is a micro 3d flying miracle. Perform all the tricks of a larger helicopter indoors with this micro helicopter. It is not a 2-Channels RC Helicopter Toy. It is a serious RC helicopter for players from intermediate to experts. Trust me; this is the best Micro Helicopter Ever! If you can handle a helicopter with tail blade, you will love it. Most helicopter testers can't resist the temptation to this amazing micro helicopter! When we want to dazzle our clients, this is the helicopter we use to perform tricks for them indoors. Improvements on the 4G3 over the 4#3 - 4G3 is about 60cm in longer in length - Basically, it is about 90% different from 4#3 - 3D Flying capable - Metal rotor head already installed - Using small gear tooth, quieter and smoother than original 4#3 Features: Compact 90° swashplate structure is adopted and easy-to-be-mounted parts like servo are used; Brushed motors offer powerful drive; Ultra mini indoor 3D mode broke the concept of space limitation; Small size helicopter but with full functions of big one; Super mini but super precision; Equipped with high performance motor, the flight time will be up to 7 to 8 minutes at 3.7V 400mAh LiPo battery pack, depending on your flight mode. 4-in-1 receiver includes the functions of both Servo Extent Adjustment and Built-in Gyro Sensitivity Adjustment; High volume Lithium polymer at 3.7V 400mAh provides 7- to 10-minute flight after fully charged, depending on your flight; The latest single-cell LiPo technology is CREATIVELY used in this size helicopter in the world. It features friendly environment and energy-saving concept; The usage of 2.4G technology is prompter in reaction, more sensitive in operation, and stronger in anti-interference. Specifications:  Overall Length: 273 mm Tail Motor: 0716R (Strong magnet brush motor) Main Rotor Diameter: 302 mm Tail Rotor Diameter: 58 mm Drive Motor: 1225FE33 (Strong magnet brush motor) Transmitter: WK-2601 Battery: 3.7V 400mAh Li-Po Gyro: Built-in Receiver: RX-2605 Servo: WK-02-1 / weight 3.18g / speed 0.12sec/60°(3.0~4.5V) / torque 0.12kgf/cm / dimension 19.2*8.3*19.7mm All-up Weight: 68.4g (Battery included) Package Includes:  Superior Edition Pre-assembled Walkera 4G3 2.4GHz Helicopter Walkera WK-2601 Transmitter 6 channel 2.4Ghz Mode 2 Battery Charger Instruction Manual Adaptor for Flight Simulator Cable One Set Extra Main Blades  Walkera Battery 3.7V 400mAh Li-Po  

This is the latest 2.4Ghz Walkera Lama 400, the radio controlled helicopter, come in Ready-To-Fly package with all the necessary items inside. It is very stable and easy to fly, you can learn how to fly it in just 1 day. Its overall length is about 650mm (25.6 in). The tiny 4-in-1 controller is integrated with Receiver, ESC, Gyro and Mixer with high sensitivity and strong resistance to interference. The 4-channels 2.4Ghz transmitter with over 100+ channels allows you to find different 2.4Ghz at the same time without collision, also the power indication avoids the crash caused by lack of transmitter electricity. 4 Channel remote control set includes complete Forward/Backward, Left/Right, Up/Down control (RUDDER, AILERON, ELEVATOR, AND THROTTLE) New 2.4 GHz Spread Spectrum Transmitter, Awesome LCD Screen, Reliable Spread Spectrum Mixer/Gyro ControlStable Flight, Even First Timer can Control Easily New 2.4GHz technology, with the functions of automatic identification and precise code pairing, strong anti-jamming, and allow more than 20 aircrafts to fly at the same field at same time CNC-machined metal rotor head and coaxial structure, highly emulational shape with the-state-of-the-art workmanship New flashing LED head and tail lights 2.4G 4-in-1 receiving circuit with the functions of servo extent adjustment and built-in gyro sensitivity adjustment High performance 2 x 380PF motor, powered by 11.1V 1500mAh Lipo, offers up to 15 minutes flight time SUPER STABLE X-ROTATION SYSTEM, Easier to control than Original LAMA 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 Weight Saving Spread Spectrum 4-in-1 Mixer/Gyro/Receiver Board Reliable high quality mixer with built-in gyro board Suitable for Indoor/Backyard/Park flying Digital Proportional Motor Speed Control The main rotor blades are using top quality plastic materials, which is not easily break Separate servos from mixer, more precision movement Trimming of servos can be done both on helicopter or on transmitter 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 and Advanced hobbyist This helicopter is an ideal investment for those people looking to move onto the larger scale helicopters, and can give you excellent training in preparation to fly the big birds!! 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 -- 8 AA batteries for the transmitter not included)   Main Rotor Diameter: 497mm (19.6 inch) Length: 650mm (25.6 inch) Flying Weight: 580g (20.5 oz) Driven system: 2* 380PF carbon brushed motors Servo: 2x 8.4g micro servos (speed 0.12sec/60o(4.8V);torque 1.4kgf.cm(4.8V) ;dimension 22.5X11.5X24mm) Battery: 11.1V 1500mAh Li-polymer Control system: 4CH Multifunctional 2.4 GHz Transmitter WK-2402 and 4-in-1 Receiver RX-2413 Radio Control Range: 3300 feet (1000m)   Helicopter (100% Assembled) 4 Channel 2.4 GHz Spread Spectrum Multifunctional R/C Transmitter w/ Training Switch, Wall Battery Balance Charger LCD Screen 11.1V 1500mAh Li-Polymer Rechargeable Battery English Manual

The Syma S107 is a 3 channel mini indoor co-axial helicopter. The S107 comes equipped with a high grade metal body frame and a built in Gyroscope which is used to stabilize the helicopter’s heading.

The Smallest Helicopter just got smaller, one third smaller than a normal Palm Size helicopter, equipped with a 4-in-1 infra-red receiver (Gyro, ESC, Mixer, Receiver). It is another break through for helicopter in this size, sharing the same great stability with it's brothers helicopters, the Mini Alloy Shark is a great helicopter to fly around you bedroom or office. This micro size Toy Helicopter (11.5cm long) comes with light weight Aluminum Frame and a Great detail canopy with LED Lighting, it doesn't look like a toy, but a very serious Helicopter. It is able to move in 3 Direction base on the 3 Channels, anyone can hover it easily. Since it is made with Aluminum Frame, very light weight and almost indestructible in any crash, perfect for very first time beginners. This toy helicopter is designed for anyone over 8 years old, flight time is around 7 minutes after 20-30 minutes charging. It can fly in 6 directions. They are: - Rotate Clockwise / Anti-Clockwise - Move Forward / Backward - Move Up / Down Feature: Material: ABS, Alloy Metal Body/Canopy • LED Strobe to flash for night flight • Suitable for indoor flight only • Dual propeller system • Full function 3 channel radio control w/ Built in Gyro • Flight stabilizing system • Super lightweight airframe • Brake for easy landing • battery type: 3.7v Lithium-Polymer (Li-Poly) Battery • charging time: 30 minutes (from Controller) and 20 minutes (from USB charging) • run time per charge: 7 minutes • control distance: 10-15 m   Specification: Length: 115mm (4.5 inch) Battery: 3.7V Li-Polymer battery Flight Time: 7 minutes   Package Include: 3CH Alloy helicopter • 3CH transmitter • USB charging cable • Spare Tail Blade x 2 • Spare Main Blade Set • Instruction manual Requires: 6 AA Batteries (Not Included)

The Smallest Helicopter just got smaller, one third smaller than a normal Palm Size helicopter, equipped with a 4-in-1 infra-red receiver (Gyro, ESC, Mixer, Receiver). It is another break through for helicopter in this size, sharing the same great stability with it's brothers helicopters, the Mini Alloy Shark is a great helicopter to fly around you bedroom or office. This micro size Toy Helicopter (11.5cm long) comes with light weight Aluminum Frame and a Great detail canopy with LED Lighting, it doesn't look like a toy, but a very serious Helicopter. It is able to move in 3 Direction base on the 3 Channels, anyone can hover it easily. Since it is made with Aluminum Frame, very light weight and almost indestructible in any crash, perfect for very first time beginners. This toy helicopter is designed for anyone over 8 years old, flight time is around 7 minutes after 20-30 minutes charging. It can fly in 6 directions. They are: - Rotate Clockwise / Anti-Clockwise - Move Forward / Backward - Move Up / Down Feature: Material: ABS, Alloy Metal Body/Canopy • LED Strobe to flash for night flight • Suitable for indoor flight only • Dual propeller system • Full function 3 channel radio control w/ Built in Gyro • Flight stabilizing system • Super lightweight airframe • Brake for easy landing • battery type: 3.7v Lithium-Polymer (Li-Poly) Battery • charging time: 30 minutes (from Controller) and 20 minutes (from USB charging) • run time per charge: 7 minutes • control distance: 10-15 m   Specification: Length: 115mm (4.5 inch) Battery: 3.7V Li-Polymer battery Flight Time: 7 minutes   Package Include: 3CH Alloy helicopter • 3CH transmitter • USB charging cable • Spare Tail Blade x 2 • Spare Main Blade Set • Instruction manual Requires: 6 AA Batteries (Not Included)

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Walkera 4G3 V2 2.4Ghz Metal Upgrade with WK-2801 8CH Transmitter Edition Helicopter WK-2801 is completely compatibile with 4CH, 6CH, 7CH (Channel) 2.4GHz Products of walkera series. That means you can use WK-2801 for all walkera 2.4GHz Helicopters. Specification Main Rotor Dia.: 302mm Tail Rotor Dia.: 58mm Overall Length: 273mm All-up Weight: 68.4g (Battery included) Main Motor: 1225FE33 Tail Motor: 0716R Battery: 3.7V 400mAh Li-Po Transmitter: WK-2801 Receiver: RX-2605 Servo: wk-02-1 / weight 3.18g / speed 0.12sec/60°(3.0~4.5V) / torque 0.12kgf/cm / dimension 19.2*8.3*19.7mm Gyro: Built-in Features:   Ultra mini indoor 3D mode broke the concept of space limitation. Super mini but super precision. Small size helicopter but with full functions of big one. The latest single-cell LiPo technology is CREATIVELY used in this size helicopter in the world. It features friendly environment and energy-saving concept. Equipped with high performance motor, the flight time will be up to 7 to 8 minutes at 3.7V 400mAh LiPo battery pack, depending on your flight mode.   WK-2801 Specification :   Encoder: 8 channel micro computer system Frequency: 2.4G spread spectrum Output Power: ≤10Mw Current Drain: ≤120mA Power: 1.2VX8 NiCard (9.6V600mAh) or 1.5VX8 AA dry batteries WK-2801 Features : The WK-2801 adopts 2.4Gig spectrum technology and features automatic code pairing and ID assignment. LCD display of the WK-2801 is simple to understand and easy to set. The transmitter case is ergonomically designed and the large LCD display has white backlight with easy-to-read graphics. The length or tension of the controls stick can be adjusted and it is convenient to change the throttle from left to right. The WK-2801 supports both helicopters and airplanes. It offers three helicopter flight modes and each flight mode is capable of free setting and adjusting parameter in order to suit the various requirements of F3C or 3D aerobatic flights. Capable of wireless data copy and transfer between two transmitters. Four Adjustable hot keys facilitate easy entry into the set menu. Eight model memory storage. Gyro rate adjustment by transmitter, and convenient programmed hover and 3D flights.

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Ultra lightweight frames and metal blade grips with thrust bearings are two examples of the quality features designed into this great helicopter! Plastic Version Kit Includes: EXI 500 Plastic Kit Main Rotor Blades NOT included. This is a kit version, assembly required. (the factory already completed the assembly for the rotor head, tail section, and main frame, you just need to put in the tail boom, main gear, and landing skid Features Electric Power System Simple lightweight design provides an awesome flight performance and extreme 3D capability Rigid Aluminum Frame design Beautiful Factory Plastic Canopy Rotor head/tail with thrust bearings Direct to swash CCPM linkage Center of gravity battery tray designed close to the rotor head Tail rotor drive belt system Fully driven tail auto rotation system Tail servo mount boom Complete Rotor Head Complete Tail Assembly Tail-Boom Holder Specifications: Length: 850mm Height: 310mm Main Blade Length: 425mm Main Rotor Diameter: 970mm Tail Rotor Diameter: 200mm Motor Drive Gear: 12T/13T Main Drive Gear: 162T Autorotation Tail Drive Gear: 145T Tail Drive Gear: 31T Drive Gear Ratio: 1:13.5:4.68/1:12.46:4.68 Weight(w/o power system): 935g Flying Weight: Approx 1700g Radio transmitter and electronic equipment required for assembly: Transmitter(6-channel or more, helicopter system) Receiver(6-channel or more) Mini servo (3) Head lock gyro Specialized Tail Servo Pitch gauge 60A Brushless ESC 500 size Brushless motor (1600KV) 22.2V 6S Li-Poly 2100~2500mAh battery 425mm main blade Complete Rotor Head Aluminum Frame and Base plate Complete Tail Assembly

This is the newest version of the 4CH Colco Apache V2 with 2.4Ghz Transmitter. This Apache is a beginner-friendly helicopter that are also liked by experienced flyers. Its unique design makes it easy to configure, control, and more fun to fly. It is designed to both train pilots and entertain them by delivering a stable flying platform capable of controlled indoor and outdoor flight.  The Apache 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 Apache turning in the direction opposite to the rotation of the faster moving rotor. Since the Apache is fixed pitch, collective control is governed exclusively by throttle. On the Apache, 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 Apache stable. For a heli of this size, the responsiveness on both axes is appropriate. For beginners, flying the Apache out of ground effect (first few inches off the ground) is not difficult either. Unlike other helicopter the Apache tends to rise evenly rather than skate across the floor laterally. If you punch the throttle, it has no hesitation in climb either. Optional Li- poly battery will help to achieve better performance and longer flight time.   Feature: Improved version! This is the new version with a lot of adjustment and improvements 4 Channel remote control set 2.4Ghz 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 SUPER STABLE X-ROTATION SYSTEM, Easier to control than Original LAMA 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 800mAh 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) Specification: Main rotor diameter: Approx. 340 mm (13.4 inch) Tail rotor diameter: Approx. 57 mm (2.25 inch) Overall length: Approx. 419 mm (16.5 inch) Overall height: Approx. 195 mm (7.7 inch) All-up weight: Approx. 260g (Battery included) Driven system: 2* 180 carbon brush motor Servo: 2X

THIS IS ONE SUPER MICRO 5G SERVO pole motor and indirect drive give this micro the extreme torque needed for larger aircraft, yet in a size that fits park flyers.

KX015073 TREX 450 PRO Kit  Detailed Description   This Kit Includes: • T-REX 450 PRO Kit Set X1 set • 325 Carbon blades X1set • RCE-BL35X 35A Brushless ESC X1 • 430SP Brushless motor(3700KV) X1   Features: • Newly designed head block with high rigidity and stability. • Single piece integrated design of main bearing block and servo mount. • Single piece integrated design of anti-rotation guide and gyro mount. • Single piece integrated landing gear. • Highly stable flybar control system. • High precision bearing mixing arms. • Newly designed high resolution swashplate. • Single piece battery mount with integrated canopy mount designed to bring CG closer to disk plane. • Highly rigid frame with single piece carbon side and bottom plates. • Highly efficient shaft driven tail design. • Weighted tail rotor blade grips to repel centripetal forces. • Straight-up in-frame rudder servo mount for improved geometry. • Newly designed aerodynamic canopy. • Newly designed high torque motor. • Newly designed high strength main blade grips.   Specifications: •   Length:   635mm •   Height:   230mm   •   Main Rotor Diameter:   710mm •   Tail Rotor Diameter:   158mm •   Motor Pinion Gear:   13T •   Main Drive Gear:   150T •   Autorotation Tail Drive Gear:   106T •   Tail Drive Gear:   25T •   Drive Gear Ratio:   1:11.5:4.24 •   Weight(w/o power system):   450g •   Flying Weight:   Approx.780g   Photos: High precision main rotor assembly High precision bearing mixing arms Single piece battery mount with integrated canopy mount designed to bring CG closer to disk plane Single piece integrated design of anti-rotation guide and gyro moun High precision main drive gear with dual cooling fan design patent Highly rigid frame with single piece carbon side and bottom plates/1.2mm Newly designed high resolution swashplate/Single piece integrated design of main bearing block and servo mount Metal designed tail drive gear assembly Highly efficient shaft driven tail design Centripetal forces balance tail rotor holder Straight-up in-frame rudder servo mount for improved geometry Metal stabilizer belt Single piece integrated landing gear Fiberglass painted canopy 325 Carbon blades     BL430SP extended high torque brushless motor      

AEORC's S1 servo tester is specifically designed to accurately measure the servo speed and helps to understand the overall performance. AEORC's S1 servo tester is the first integrated servo tester in the market which allows you to measure speed, duty cycle, travel linear & range also receiver output signal and frequency. Specifiaction: Input voltage: 8~12V (2S lipo or 9V 2A DC power supply) Output voltage: 5V Output current: 1A Accuracy: 1us +/- 10% Weight: 21g Size: 69x33x11mm Operating temperature: -10~50°C Included; 1 x Servo tester 1 x Gyro sensor 1 x voltage regulated multi-functional servo extension wire   Customer Review ( jj604 from RCGroups.com ) The AEORC S1 Dr Servo is a tiny box using the same packaging as the clever kV meter.  It consists of a servo driver and an input for an accelerometer that you attach to the servo’s output disk/arm. That input measures the pulse position so is also used to test receiver servo outputs. It also requires an external 8-12V DC supply. They suggest a 2S LiPo, but after using it I would recommend a 3S. The lower voltage just does not seem to have quite enough headroom to supply the 5V to drive the servo at higher currents. Most folks will probably be using the BEC from their ESC to drive the servos in any case – see the three way cable description later.   The inside of the accelerometer is just a sealed unit with a part number that I could not raise on the internet with an external diode and resistor. I suspect it is the same unit used in single axis piezo helicopter gyros. AEORC call the device a ”gyro” and I’ll do the same for simplicity. The only control is one of those 4-way joysticks with a centre push that you find on every compact digital camera. Long push to move between the 4 screens; up/down/sideways to select a value if appropriate; short push to turn the backlight on and off or start a test. In my view it would have been more logical to make the short push for menu change and long push for backlight/start. The backlight keeps going on and off when you don’t want it to and on the other hand you have to dwell on a screen to change to the next one. This results in an unwanted test starting sometimes. No big deal, and doesn’t detract from the functionality - just an irritation. In use, you just plug in the external battery, connect the servo and gyro and stick the gyro to the servo output disk or arm with foam tape. Alternatively you can use the gyro input to test transmitter stick range and centring. There are 4 functions on the tester: 1.   Display of receiver output signal pulse width to the servo channels in thousandths of mS with a default neutral of 1.500mS (handy to very conveniently check how consistent the range and neutral your transmitter channels are). A servo-plug to servo-plug cable is supplied for this and you connect the gyro channel into each receiver output in turn. The supplied connectors are Futaba style and the ridges have to be cut off to allow the plugs to line up along the edge of the S1. Minor, but irritating. This menu must also be used to set the signal pulse width to give a 60 degree rotation (since the pulse length to do that may vary from servo to servo). 2.   A cycle test that logs the number of repeating input cycles together with the number of output cycles recorded by the gyro (good for testing suspect servos). It reads up to 9999999999 cycles which for a 0.1sec servo would be a total test time of about 31 years if I have done the math correctly! 3.   Measurement of servo travel linearity, which is really no more than setting up 2 or 3 servos side by side and comparing them as they are driven at the same time. 4.   Measurement of servo speed, which is the uniquely useful and important function of this gadget. To measure servo speed, you first need to tell the S1 what pulse width gives 60 degrees rotation. It’s remarkably simple to position the servo over the protractor they have printed in the manual and use the joystick to

Walkera 4#3Q 2.4GHz Helicopter RTF Walkera HM 4#3Q 2.4G Metal Edition is a new generation palm size helicopter equipped with scale canopy, 2.4G advanced radio system and metal upgrades. To compare it with other palm size helicopters, 4#3Q offers more stable, silence and smoother flight. It is not a 2-channles toy. It is a serious rc helicopter for players from intermediate to experts. You can control it moving up and down, forward and backward, left and right and rotation. It is a serious hobby, not a toy. 2.4GHz is the standard of new generation radio system. It offers longer transmission distance, less interference, more stable radio transmission and less legal issue. For traditional radio frequency, helicopters in same frequency cannot fly together because of interference. With 2.4GHz radio system, many helicopters can fly at the same time without interference Specification Tail Rotor Dia.: 58 mm Main Rotor Dia.: 204 mm Overall Length: 207 mm Drive Motor: 1220 (Strong magnet) Tail Motor: N51 (Strong magnet) Battery: 3.7V 400mAh Li-Po Receiver: RX-2415 Transmitter: WK-2401 Gyro: Built-in All-up Weight: 50-51.8g (Battery included) Features Simplified 90?swash plate with highly emulational shape with the-state-of-the-art workmanship. New 2.4G technology with the functions of automatic identification, precise code pairing and strong anti-jamming. 4#3Q, equipped with stroke servo, features light weight, easy operation, prompt response and fine travel control. High performance 1220 motor powered by 3.7V 400mAh Lipo offers 8- to 10-minute flight time, depending on your flight mode.  

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The MD500 Hughes is a 4 channels radio controlled electric helicopter with co-axial, twin rotor blades system. It is easy to fly for the beginner, which possesses the characteristics of high sensitivity and full control of the real helicopter. The MD500 Hughes has been designed with an finely-crafted authentic scale appearance with highly detailed fuselage. Finally, 2.4 Gigahertz equipment use less current to operate than standard frequency systems. This results in longer flight time and longer life of your transmitter and receiver batteries! This helicopter is one of the largest dual-rotor in the market. This helicopter also has an option to install a wireless camera (not included) for live viewing on your PC monitor or TV!!! Furthermore, because of the Twin-Rotor-Coaxial-Twin-Rotor design, the helicopter has extreme stability in taking steady videos & pictures.   The MD500 Hughes 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 MD500 Hughes 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 Eagle Eye turning in the direction opposite to the rotation of the faster moving rotor. Since the MD500 Hughes is fixed pitch, collective control is governed exclusively by throttle. On the MD500 Hughes, 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 MD500 Hughes stable. For a heli of this size, the responsiveness on both axes is appropriate. For beginners, flying the MD500 Hughes out of ground effect (first few inches off the ground) is not difficult either. Unlike other micros, the MD500 Hughes tends to rise evenly rather than skate across the floor laterally. If you punch the throttle, it has no hesitation in climb either. Optional Li- poly battery will help to achieve better performance and longer flight time. 4 Channel remote control set includes complete Forward/Backward, Left/Right, Up/Down control (RUDDER, AILERON, ELEVATOR, AND THROTTLE) New 2.4GHz technology, with the functions of automatic identification and precise code pairing, strong anti-jamming, and allow more than 20 aircrafts to fly at the same field at same time Option to install a wireless camera (not included) for live viewing on your PC monitor or TV!!! Largest dual rotor helicopter in the market Work best for Indoor & Outdoor Driven by 2X powerful 370 carbon brush motors SUPER STABLE X-ROTATION SYSTEM, Easy to control 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 Mo

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The new Syma S107 is a 3 channel mini indoor co-axial helicopter. The S107 comes equipped with a high grade metal body frame and a built in Gyroscope which is used to stabilize the helicopter’s heading. This model is miniature in size and its light weight makes it incredibly portable so you can take it anywhere you go. It also offers a wide infrared control and a design that is customized for indoor flying. For being only 19cm in length and weighing in at only 34grams, this mini helicopter packs a lot of power. The S107 is controlled by a 32-Level high precision speed controller, it automatically stabilizes the rotor blade system for steady lift off. Also, the high tenacity propellers are powered by 2 solid motors with a third motor in the tail rotor, which gives this machine the power you need. The S107 comes with a high capability Li-Poly battery which is good for longer flight time, and can easily be recharged through the transmitter that is provided. The Syma S107 is a great model for any beginner, from kids to adults. Once you get the hang of flying one of these you are ready to step up to the next level.     Feature: Miniature size & light weight. Super wide infrared control miniature design for indoor flying 19cm long and weighing an incredible 34 grams Controlled by 32-level high precision speed. Auto stable, rotor blade system for steady lifting-up 3-Channel Helicopter movement forward / backward / up / down / left / right High tenacity propeller POWERED BY 2 SOLID MOTORS WITH A 3RD MOTOR IN THE TAIL ROTOR High capability, dynamical Li-Poly battery. Can be recharged through the transmitter provided Charging and power indicator Controlled by digital technology. Infra red control system Tri-band Technology. Nonintervention used 3 bands High efficiency, driving motor and surge power Speculation: Weight: 34g size: 220x38x98(mm) Dimensions: main rotor diameter 190mm Helicopter battery: 3.7v Rechargeable lithium polymer battery Charging Time: 30-35 minutes Flight Duration: 6-8 minutes Frequency: Infrared control system - bands A, B Control Specification: forward / backward / up / down / left / right Range: Up to 10m (30ft) Included: 100% Brand New 1 x 3-Channel Radio Remote Control Helicopter 1 x Remote Control (not include 1.5v AA battery) 1 x Tail Blade 1x USB Cable

Step up to a larger collective pitch heli than the Honey Bee CP2 or Cool with the Belt CP. The Belt CP has a belt-driven tail rotor for smooth, vibration free tail control. Airframe only includes assembled helicopter frame, canopy, blades, motor pinion, and instruction manual. Does not include servos, motor, or radio gear. Requires: 4 - E-Sky 8g Servos or equivalent 6 channel receiver and crystal 6 channel CCPM transmitter 28mm diameter brushless outrunner motor with a Kv of 3800 RPM/V and a 2.3mm shaft 25 amp brushless helicopter speed control Heading Lock Gyro 1200-1800mah 11.1V 15C - 20C Li-Poly battery Kit Only.  Servo shown is for illustrating purposes only. This Model#E013D DOES NOT include servos, motor, or radio gear. Kit Only.  Servo shown is for illustrating purposes only. This Model#E013D DOES NOT include servos, motor, or radio gear. Kit Only.  Servo shown is for illustrating purposes only. This Model#E013D DOES NOT include servos, motor, or radio gear. Kit Only.  Electronics shown is for illustrating purposes only. This Model#E013D DOES NOT include servos, motor, or radio gear.   Feature: CCPM Hold Rotation System Tail Belt Drive System High Efficiency Blade High Efficiency Tail Blade Rear Tail Servo Stand Super Iron Main Shaft High Rigidity Aluminum Tail Boom Super Iron Landing Skids High Strength Carbon Fiber Tail Boom Support Set Specification: Main blade diameter: 680mm (26.8") Tail blade diameter: 130mm (5.12") Length: 650mm (25.6") Height: 230mm (9") Flying Weight: About 670g Rotate ratio: 12:140/110:22   Tail rotor drive Belt System Package Include: Helicopter ARF Kit English Manual Additional Requirement: Four 8g Servos or equivalent 6 channel receiver and crystal 6 channel CCPM transmitter 28mm diameter brushless outrunner motor with a Kv of 3800 RPM/V and a 2.3mm shaft 25 amp brushless helicopter speed control Heading Lock Gyro 1200-1800mah 11.1V 15C - 20C Li-Poly battery

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