Radio control helicopters are flying machines being used by some people as a form of their recreational hobby, though it can be considered as one of the most interesting and expensive hobbies around.
There are a number of types of radio control helicopters available now in the market. These are Nitro (Glow Fuel) RC and Electrical operated RC. The difference between this two is their power source. A nitro (glow fuel) uses fuel for it to operate. This type is considered to be more powerful than any other RC yet expensive because of the fuel. It is said that it could fly ranging to 7-14 minutes in the air depending on the engine size and it could fly over a mile. The electrical operated RC meanwhile uses electrical battery for it to be fully used. Thought this type of RC are small and has the ability to fly indoors with maximum time of 4 to 12 minutes of battery life. It also produces less noise compared to a Nitro (glow fuel) RC which has a huge engine. Radio Controlled Helicopters are different from RC airplanes since it has its different engine used and aerodynamics. It is also complicated to use due to some technicalities to consider before operating one such as the strength of a wind present in the field. Making it difficult and challenging to fly when there is a presence of strong wind. Radio controlled helicopters is also bit expensive considering the machine size and its use.
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