Unmanned vehicles or remote controlled vehicles have been around for quite some years now. Leading in the promotion of the research in the field of unmanned vehicle is the association of unmanned vehicles. This for your information is a non profiting non government organization. It is for this reason that remote controlled helicopters are popular day in, day out. Apart from getting popular, they are also getting complex.
In inaugural years when they were first produced, they were limited in task and could only carry out very simple assignments and jobs. This was however due to various limitations like the total load they can hold and the motor source of power, but nowadays they can accomplish much complicated tasks than their predecessors.
Some of the tasks which are most common include photography, such as aerial photography. The remote controlled helicopters are redefining photography by getting camera into areas that man can only dream to be. Advancement in surveillance equipment has really done much realize this and due credit should be given.
With digital cameras getting tinier and lighter everyday it is really boosting the industry. Now we have very tiny and light PI cameras in the market. IP cameras have the capability to communicate with other devices in the Internet and can broadcast live video feeds to bases many miles away from them. They cameras have small wireless network interface card that communicate in the network. Some of these cameras can take simultaneously live video and also capture photos. Others have internal memory capabilities and can store images and video before transmitting them or when off line.
The cameras send their information in encrypted format ensuring that only authorized persons have access to the data.
Modern remote controlled helicopters use long range radio transmitters. They range very long but limited by the distance of vision of the pilot. However this is not a big deal any more with modern cameras in place. The kind of Radio system in use in the helicopter is two way. We got the receiver and the transmitter. The receiver is definitely in the helicopter and thus must be very light and mobile. Today’s toy helicopters use up to 2.4GHz Spread Spectrum Modulation. This gives them better reception and longer range of transmission. The receivers may cover a horizontal radius of a some miles. But can be improved for greater distance.
The remote Controlled helicopters of today will exhibit greater and much improved aero dynamics that marches and out performs the real ones. They perform complicated airborne maneuvers that will leave you amazed and you can’t see them being done by a real helicopter. The hovering capability is also greater hence they are easier to control and can access more places. Some of these will fly in any direction a feature lacking in the real helicopter.
Modern remote Controlled helicopters will fly for many hours without recharge or refueling. This has resulted from the advent of lead ion batteries and poly lithium batteries. Many of the long flying helicopters have photo cells on their bodies so as to charge themselves when they are sun. Such helicopters can fly higher and higher since power is not an issue. They will cover longer horizontal distances making them the best for photography and surveillance.
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