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Posts tagged RadioControlled
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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How to Compete with Your Radio-Controlled Car
Aug 3rd
When you build a Remote Controlled car, you usually pour hundreds of hours, and even more dollars into making it a creation that you can be proud of. Well, after you have put so much effort into it, how much fun is it to just keep it all to yourself and never show off what you have worked so hard to complete? Some would say that it is a complete waste of effort. If you are building a Radio Controlled car, you should plan on entering it in many different competitions. There are quite a few RC car competitions of many different types. Here I will go over some of the main kinds of competitions that you can get involved in. Each one requires a type of car that is specifically tailored to it. Sometimes you can swap a few parts out and have a car that is ready for a different competition, but more often than not it is a totally different type of car.
The first type of competition is the kind that most people would imagine; a simple race track. It’s set up just like a NASCAR event. A large paved road is used as the track, and all of the cars are lined up in rows at the beginning. The number of laps can vary greatly, from sprint races to longer marathon races requiring dozens of laps. At these events, speed is the number one factor. Nobody will care if your car looks ridiculous if it is capable of speeds far higher than those of the competition. In these competitions, you will find the highest level of technical detail put into cars, with high-tech engines prevailing. Light, gas-powered cars with firm wheels are the best type of car for these competitions.
The second type of competition is definitely a fun one, and perhaps the most popular. It is the same as the first in the fact that it is a race. However, this race occurs on an off-road track. An off-road track will usually include lots of rough terrain, with steep hills and perhaps even ramps or obstacles. These tracks will really give the cars a beating. Most entrants will have remote control cars that look more like trucks, with huge shock absorbers. Many creative methods are used to keep cars in the running. Some even have wheels on both sides, in case the car flips over when it hits a bump. Many advanced driving techniques are required to stay in the running, and this is what makes off-road racing one of the most exciting sports.
Finally, there are exhibition competitions that are designed to consist of short segments. These segments show off one particular skill of your car – its agility, its speed, or its handling. You will be asked to accelerate down a straight road, just to see the maximum speed that your car can reach. You can also do slalom events, winding in and out of cones. The exact setup varies greatly from competition to competition, but you can always expect something along these lines.
Any competition involving remote control cars is most likely to be a fun time, even if you don’t have what it takes to win. It’s good just to go and have the company of your fellow radio control enthusiasts.
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Flying Radio-Controlled (RC) Aircraft
Aug 3rd
There is something about flying that excites and amazes certain people. Many people often dream of flying, but resist following that dream because it seems too difficult and too expensive. However, the excitement and dreams of flying have become a reality with radio-controlled (RC) aircraft. Actually, some of the RC aircraft today can give you the best flight of your life. If you would talk to a dedicated RC plane hobbyist, they would tell of the excitement of heading to an RC field on a warm, sunny day to fly their planes and to enjoy the camaraderie of other hobbyists and RC club members. It is always amazing to see the many different styles of aircraft and how they maneuver through the air.
Radio-controlled planes have a rich history, and provide a suitable hobby for all ages and skill levels. Flying enthusiasts have a large variety of aircraft to choose from, making the hobby more exciting for all hobbyists from the beginner to the expert. You can pick and choose what you want depending upon your taste and the available money you have to spend. Generally, the ideal choice of a particular RC plane depends upon a combination of style and pilot skill level.
For beginners, park flyers are a great choice. The term “park flyer” denotes small, primarily electric planes. They are so named because they are small enough to be flown inside public parks. The recommended aircraft for beginners is an A-R-F (Almost Ready To Fly) high-wing trainer. A-R-F planes are already built and don’t require a lot of time and building experience to get ready for flight. A-R-F planes also have fairly large wing spans (60-70 inches) which aid in better visibility and flight operation.
For intermediate hobbyists, there are glow plug engine planes and electric powered planes. Glow plugs, which are similar to spark plugs, ignite the fuel in the plane operating as a small internal combustion engine.
For the expert pilot, jets, helicopters, and competition aircraft are very popular and provide an exciting challenge. Sophisticated electronics and speed controllers have now taken the controlling of an RC airplane to higher levels. These aircraft are no longer considered toys just to play around with. Jets commonly use ducted fans or micro turbines to power them. They are constructed of carbon fibre and fibre glass. Jets can achieve speeds over 200 mph, requiring quick reflexes and many hours of flying experience. Helicopters are trickier to fly than planes and are much less forgiving.
If you want to get started flying RC planes the following information may help you:
Flying aircraft of any type is not a skill we are born with. Purchasing any radio-controlled aircraft and trying to fly without some basic knowledge may possibly result in the destruction of the model. When this happens right off the bat, most prospective flyers get discouraged and pass on an exciting hobby. Flying RC aircraft is not difficult but does require some practice to become proficient enough to have your plane soar through the skies and return for a safe landing. Teaching yourself to fly is possible; however, if you find a local flying club and seek some help from the experienced flyers is the ultimate way to learn. A flight simulator can aid in learning the fundamental movements and actions of an airplane. It is an easy and convenient way to practice the simplest turns to the most complex maneuvers. It must be remembered that the flight simulator does just what it’s name implies, it simulates the actions of an airplane. The simulator is not the real thing and most planes react differently in the air.
Whether you are a kid, or just a kid at heart, flying RC aircraft is directed at anyone who wants to relax and have fun. Get involved if you want a hobby that gives you a thrill!
Happy Flying!
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Fuels for Your Radio-Controlled Car
Aug 2nd
If you are building a Radio Controlled car, you will be faced with choices every step of the way. You will have to decide how to build the model, how to incorporate the radio transmitter, and how you want to paint it. You will also have to decide how you want to power your car. There are several different choices, and unfortunately there isn’t one that stands out as better than the rest. Each powering method has its own benefits and tradeoffs that may affect your decision. You will have to consider these benefits compared with what exactly you want to do with your car. Here are the three main ways that you can power a Radio Controlled car.
The first and most basic way to power a Remote Controlled car is to have a battery pack running the motors. This is the kind of system that you will see in beginning cars. If implemented correctly, it can be fairly effective. Its main strong point is that it is very light. Cars using electric power can reach all new levels of lightness. However, like all of the options, there is a tradeoff: electric cars are the slowest of them all. So, you will have to decide whether you want a light car that handles well, or a speed demon that will tear up the competition. And that brings us to the next choice, which is definitely a bit speedier than the electric option.
Gas-powered cars are by far the most common when you are looking at hobby grade cars. The equipment required to handle all of the gas and combustion weighs quite a bit, and tends to make the car less agile. However, it makes up for this deficiency by being one the fastest choices. These types of motor kits are very easy to find. If you want one for your car, your best bet would be to look in some online specialty shops, or your local hobby shop. While it is not necessarily a positive aspect in my book, the fact that the cars are much louder when they run on gasoline seems to attract some people, who enjoy creating the noisy little machines.
RC cars that run on nitro gasoline are quickly becoming the most popular and fastest growing segment of remote control cars. Nitro vehicles can come in many different forms. You can build the popular and durable trucks that will take jumps at high speeds and go on off road driving courses. Alternatively, if you are trying to reach very high speeds, you can build the type of racecar that is meant to speed along pavement, tracks or other prepared surfaces. As with gas, nitro requires the heavy motor equipment that some people find cumbersome. However, they are perfect if you want to swap out your electric motor during a race or other event.
If you build your car the right way and avoid attaching the engine in permanently, you can switch whenever you feel a different one would be more appropriate. The average remote control enthusiast will accumulate quite a few different engines over the years, and will become familiar with which ones are best to use in a given situation. So don’t worry too much about buying the wrong engine and being “stuck” with something that you didn’t want. Just consider the pros and cons of each one, and compare them with your goals with your remote control car project. Think about how much speed you want, compared to how much agility or how much turning speed. If you have a local hobby store that stocks all of the different types of engines, then go in and ask to test drive a few of them to get a feel for the type of engine. You will be glad that you put so much thought into it.
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Radio-Controlled Boats and How to Construct Them
Aug 1st
For some reason, being able to control a miniature boat as it skims over the water of a local lake is something that many people find very appealing. It doesn’t matter whether you are a kid or an adult; Remote Controlled boats are universally fun. On top of that, nothing is more fun than undergoing a huge and daunting project, and eventually seeing the results come through. Therefore you should consider building a Remote Controlled boat on your own, out of materials that you can buy from any local craft or hobby store. If you are here, you have likely already considered this prospect. It is more than possible, and probably easier than you would think.
Since you have taken the more interesting route and decided to build your Remote Controlled boat rather than buy one pre-made, you will have quite a few more challenges facing you that you wouldn’t have run into otherwise. However, all of the hard work that you put into your Remote Controlled boat will pay off in the end, and you will feel like you have really accomplished something when you take it out to a lake for a day and it is able to successfully navigate the treacherous waters. You will probably be frustrated along the way as your boat falls apart, or even sinks into the water never to be seen again. However, if you persevere you will be glad that you did.
Unless you have experience in the construction of boats, you will probably want to use plans that someone else has created. You can find plans for remote control boats all over the place – on the internet, in magazines, or in books. You may even use the plans for a full-sized boat, and make a scaled model of it. As long as you are confident that the motor and radio components will not interfere, this is a good route to take. Regardless of where you get your plan, you will need one that is utterly clear in every aspect. Even the slightest typo or misreading could result in your boat sinking, or spinning in circles struggling to stay afloat.
As you build the boat, you will need quite a few supplies, first, the wood is a very important part. If you are using custom plans, wood is probably the material you will be working with. You can find quantities of light wood such as balsa at your local hobby store. You should always get extra, since a wood that light is prone to snapping when you least expect it. The wood is held together using glue, and you will start with a hull-shaped structure then plate it with sheets of wood. After it is all done, you caulk the holes and cracks with some sort of putty, then spray it all with a sealant to make it waterproof. After that, you are free to paint it however you see fit.
The motor equipment on a Radio Controlled boat must have more attention paid to it than other Remote Controlled projects like cars or planes. If even one droplet of water gets into the electrical components, your entire project will be ruined, and you will have to buy new (possibly expensive) radio equipment. Waterproofing the motor equipment is fairly difficult, and you should always test it with no electricity involved before you actually go out on your maiden voyage. It is usually accomplished by having the motor extend an arm through a waterproof sealant that will prevent any water from getting in.
There are many parts to the process of creating a Radio Controlled boat, and each one needs to have close attention paid to it. As long as you can invest this time, you should have a great experience. You don’t want the little sailors in your boat frantically tossing things overboard as they try to stay afloat, do you?
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