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Posts tagged Radio Controlled Helicopters
Radio-controlled helicopter
Aug 8th
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Nitro-powered Thunder Tiger Raptor 60
Electric-powered Venom Air Corps Ocean Rescue
Electric-powered Align T-rex 450SE
This Heli-Max Axe Micro CX model helicopter is an example of a micro-sized coaxial model. Note the size comparison with the cellular telephone at right.
Radio Controlled helicopters (also RC helicopters) are model aircraft which are distinct from RC airplanes because of the differences in construction, aerodynamics, and flight training. Several basic designs of RC helicopters exist, some more maneuverable than others (such as helicopters with collective pitch). The more maneuverable designs are often harder to fly, but benefit from greater aerobatic capabilities.
Flight controls allow pilots to control the collective and throttle (usually linked together), the cyclic controls (pitch and roll), and the tail rotor (yaw). Controlling these in unison enables the helicopter to perform most of the maneuvers an aeroplane can do, and many that aeroplanes cannot, such as hovering and backwards flight; in this manner, they are quite similar in operation to full-sized helicopters.
The various helicopter controls are affected by means of small servo motors. A piezoelectric gyroscope is typically used on the tail rotor (yaw) control to counter wind- and torque-reaction-induced tail movement. This “gyro” does not apply a mechanical force, but rather, electronically adjusts the control signal to the tail rotor servo.
The engines used are typically methanol-powered two-stroke motors, but gasoline, jet turbine and increasingly electric brushless motors combined with a high-performance lithium polymer battery are also used.
Types of R/C helicopters
Power sources include:
Nitro (nitromethane-methanol internal combustion)
Electric
Gas turbine
Petrol / gasoline
Mechanical layouts include:
CCPM in all power sources
Fixed-pitch electric
Coaxial electric
Nitro helicopters are currently more common than electric helicopters. Practical electric helicopters are a relatively recent development and are rapidly developing and becoming more common. Gas-turbine helicopters are also increasing in popularity, although the high cost puts them out of reach of most people.
Nitro
Nitro helicopters come in different sizes: 15, 30, 50, 60 and 90 size. These numbers originated from the size of nitro engine used in the different models (0.30 cu in, 0.50 cu in and so on). The bigger and more powerful the engine, the larger the main rotor blade that it can turn and hence the bigger the aircraft overall. Typical flight times for nitro helicopters is 7-14 minutes depending on the engine size and tuning.
Electric
Recent advancements in battery technology are making electric flying more feasible in terms of flying time. Lithium Polymer (LiPo) batteries are able to provide the high current required for high performance aerobatics while still remaining very light. Typical flight times are 4-12 minutes depending on the flying style and battery capacity.
In the past electric helicopters were used mainly indoors due to the small size and lack of fumes. Larger electric helicopters suitable for outdoor flight and advanced aerobatics have become a reality over the last few years and have become very popular. Their quietness has made them very popular for flying sites close to residential areas and in places such as Germany where there are strict noise restrictions. Nitro helicopters have also been converted to electric power by commercial and home made kits.
The smallest remote-controlled production model helicopter made (Guinness World Records 2006) is the Picoo Z sold at many toy stores (although this is infrared controlled, not radio), electronics stores and internet stores, costing about $30 (?15). The next smallest is the Mosquito counter-rotating blade helicopter, which is also a battery-operated R/C helicopter.
Several models are in contention for the title of the smallest non-production remote-controlled helicopter, including the Pixelito family of micro helicopters, the Proxflyer family, and the Micro flying robot.
A recent innovation is that of coaxial electric helicopters like the aforementioned Mosquito. The system’s inherent stability has, in recent years, made it a good candidate for the design of small models for beginner and/or indoor use. Models of this type, as in the case of a full-scale helicopter, eliminate rotational torque and extremely quick control response, both of which are very…(and so on) To get More information , you can visit some products about promotion gift;porcelain mug, disposable juice cup, . The Rechargeable Battery Heated Stadium Seat Cushion & Bench Warmer products should be show more here!
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Radio Controlled Coaxial helicopters
Aug 2nd
Coaxial Radio Controlled model helicopters are an ideal introduction to rc helicopter flying gue to their stability and slow responsiveness. This makes them far easier to master than the traditional single rotor / tail rotor counterparts. With a bit of practice they are stable enough to be flow indoors in a confined space so your can
practice anywhere.
A conventional rc helicopter has a single rotor and a tail rotor to control yaw ie the direction in which the helicopter is pointing. A coaxial helicopter however has two rotors on top of the helicopter and no tail rotor. These rotor rotate in opposite directions and the torque generated by each rotor cancels the other one. This results in extremely stable hovering. Yaw is controlled by adjusting the speed of one of the two rotors. Coaxial helicopters are available in 2, 3 and 4 channel versions. We would recommend a 4 channel coaxial helicopter as this provides for controls pitch, bank, throttle, and yaw.
Coaxial helicopters have a number of advantges and disadvantages.
Advantages include
- easier setup due to them requiring no gyro.
- cheaper since less electronics are required.
- very stable in the hover making them ideal for orientation practice.
- most are available ready to fly requiring no building or setup.
- generally they are very tough and can survive crashes well.
Disadvantages
- the motors need to be evenly matched so the torque generated by each rotor is similar.
- very slow and unresponsive. Getting them to move from the hover can require quite violent stick movements !
- at extreme cyclic throws the rotors can clash causing a crash
Generally coaxial Radio Controlled helicopters are small in size ranging from 3 inch rotor spans up to about 15 inch. Whilst some coaxial helicopters can be considered nothing more than toys some of the better 4 channel models from companies such as ESky and E-Flite are an excellent introduction to the world of Radio Controlled model helicopter flying.
See the Radio Controlled helicopter section on In Miniature for more information about Radio Controlled model helicopters
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Radio Controlled Helicopter Now Available at Discounted Rates
Jul 18th
Tiny helicopters are now available in the market which can be flown through the radio controls. They have replaced the remote control planes. They are available in both indoor and outdoor versions.
What are Radio Controlled Helicopters?
As already mentioned, they are toys but can be flown anywhere with the help of the radio controls. The controls transmit radio signals that are used to direct the course of flight.
Types of Radio Controlled Helicopters available in the market
• 3 channel RC helicopters: It is one of the basic versions of these kinds of helicopters. This version of the plane can be flown in the easiest manner. It is fit for all age group people.
• 4 channel RC helicopter: This is the next version of this helicopter. You need higher skills to fly this aircraft.
• 6 channel RC helicopters: This is the most complicated version of the lot. Flying this aircraft needs high caliber and intelligence.
Parts of Radio Controlled helicopter
It consists of a LiPo battery pack and wires, transmitters, storing kit, blades etc.
Models available
There are several models available in the market. Some of these are categorized into 3 channels, some 4 and the rest for 6 channels.
• E-SKY Lama V4
• E-SKY KOB
• Walkera 4G1B
• E-SKY Honeybee V2
• E-SKY Belt-CP V2
• Salvation 3 RC helicopter
• E-SKY EC 130 Hunter
• E-SKY KOB
• Walkera 5G4Q3 Airwolf 2.4G
There are other models available in the market as well. The designs are copy of the original fighter planes or public aircrafts.
Advantages of the Radio Controlled Helicopter
Radio Controlled Helicopter is a sophisticated toy. Playing with this toy will develop the intelligence level of your child. He/she will learn to build the aircraft from the scratch and handle the tough controls to fly the plane. Other than the scientific factor, it is undoubtedly an interesting mode of entertainment for all age groups alike.
Online stores
You can buy this Radio Controlled Helicopter through any online toy stores. You can now order in bulk as the price rates are dirt cheap.
rcmods.co.uk provides the best Radio Controlled Helicopters, spares, upgrades and accessories. We also provide different types of RC Helicopters to you.
Radio Controlled Vehicles
Jul 13th
When model vehicles are controlled by radio signals from a hand-held radio transmitter, it is known as Radio Controlled vehicles. In fact they are vehicles that are operated and controlled by radio. Such Radio Controlled vehicles are used in military, industrial and scientific research organizations. Today you can find helicopters, cars, boats, airplane, trucks, buggie, ships, submarines, warships, bulldozers, motorcycles, sailboats, UFO’s, hovercraft, tank, toys and even clocks operated by hand-held wireless controller.
Radio Controlled vehicles can either be toy-grade suitable for children or hobby-grade vehicles used in RC racing and various other competitions. Radio Controlled helicopters are available in various designs and they are different from Radio Controlled airplanes in construction, flight training and aerodynamics. Nitro, electric, gas turbine and petrol/gasoline are the four types of RC helicopters. The electric RC helicopters are more in demand nowadays, because they are noiseless and they are available in affordable prices. Flying RC helicopters is a very exciting hobby and it is not difficult, just require little practice. Similarly aircraft controlled by hand-held transmitters are Radio Controlled airplanes, and flying RC airplanes is a very enjoyable hobby.
No more do children want to play with toys working on key control. They prefer radio control toys. RC Toys are available in different models like cars, trucks, robots etc. These toys have four parts which are transmitter, receiver, motor and power source. The Transmitter sends signals to the motors via the receiver, which cause the wheels to turn in a RC car or a RC truck which are in great demand among children. The RC truck has two motors, one controlling the front wheels and the other the rear wheels. A great Christmas gift for boys, are the RC tanks. There are tiny RC tanks and also giant RC tanks which are very powerful. World War Two Sherman, German Tiger 1, Russian T34 are some of the models of RC tanks available.
RC is another interesting hobby. You have to decide which RC boat to choose depending on the water area and of course your budget. You can select from, nitro powered RC boats, RC sail boats and electric RC boats. If you do not want to restrict your activities to water alone, then you can go in for a RC hovercraft, which is capable of moving on water and land, snow and ice, swamps, mud, pavement, and also fly like a plane and this versatility makes it an interesting vehicle for children and adults. They are considered more of as a hobby than a toy, and the are suitable for snowy regions. Another versatile vehicle is the RC buggie, which are tough and durable and you can take it anywhere and it can stand any kind of terrain.
Airsoft toys are also used for personal collection. Airsoft guns are used for gaming or for professional training purposes. You can choose from Electric Airsoft Gun, Spring Airsoft Gun or Gas Airsoft Gun. You can also find great selections of Airsoft Pistol, Airsoft Rifle and Airsoft Sniper Rifle.
The author has a website where you can purchase quality RC Tank, RC Helicopter, RC Airplane, RC Car, RC Truck, RC Boat, RC Buggie, RC Hovercraft and other toys.
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Most interesting wholesale Radio Controlled Helicopter
Jul 13th
Radio control is a way of making models of cars, helicopters, boats, tanks and aircrafts move on their own like real ones. Notice that you need to decide whether you want a radio control or perhaps one that has an electric engine. You could buy either one which is ready to run or a kit. Now, knowing how much you would want to spend start going shopping for a vehicle that fits your specifications. Like me passion is what drew me to this exciting hobby and there’s a lot you are going to learn before you can “get behind the wheel”. It is always good start at a nearby hobby store – look for one that specializes in radio control. Speak to people you’ll find working in the store and chances are that these people are true blue rc hobbyists as well. There is much you can learn from, so pick their brains well. You’ll find these machines to be sleek and powerful, tearing up the terrain in a jiffy and it’s certainly a lot of fun watching them go.
Most of all, have fun – Radio control toy is a wonderful way to meet people, to challenge yourself, and to fulfill your driving fantasies. The best quality and wholesale Radio Controlled Helicopters at IloveChinaShopping.com is waiting for you!
Wholesale China Radio Controlled Helicopters – RC Helicopter – Remote Control Helicopters from IloveChinaShopping.com 3 CH RC Helicopter Eagle with LED Lights Description: This eagle helicopter built up popularity with its aggressive fiery design. This 3 channel helicopter also comes with co-axial blades for exceptional hovering stability. This Eagle can fly left, right, forward, backward and hover. This is a great beginner helicopter for beginner hobbyists. This helicopter is recommending for ages 14 and up. Charge for 3 hours and fly 20 mins. Get your Eagle Helicopter today before they run out! Radio Controlled Helicopter Main Features: 3 Channels Remote Control, Forward, Backward, Up, Down, Turn Left and Right Flying Fully Assembled Aluminum Landing Gear Co-axial Rotor High Power 180*2 Motor Suitable for Ages 14 and over 9.6V Rechargeable Battery Specifications:Overall Size Length: 22.8 in (580mm) Height: 8.6 in (219mm) Transmitter :Standard 3CH Battery :9.6V Rechargeable Battery Charging Time :3 hours Flying Time :20 mins Transmitter Battery :8 * 1.5V AA(not included) Control Distance :100 meters Package Contents: Eagle RC Helicopter 3CH Transmitter Charger Rechargeable Battery English Manual Screwdriver 3 Batteries for LED Lights
Make your next mission a success with this extreme indoor helicopter. Powered by two, counter-rotating propellers and a rear rotor stabilizer. Flies and hovers with precision control gives you power to move up, down, left, right, forward and reverse Perfect for indoor missions. You’ll love the wholesale radio control toys at ILoveChinaShopping.com. 3 CH RC Helicopter Eagle with LED Lights – Nice realistic motion and the thrill of total control for you.