Types of RC Helicopters

Toy Helicopter: Inexpensive, battery-operated, easy to fly, limited modification opportunities

Electric helicopter: Battery-operated, quiet, easy to operate, small to medium-sized

Nitro helicopter: Runs on a combination of methanol, nitromethane, and oil, two or four-stroke engine, powerful for its size

Gas helicopter: Runs on gasoline mixed with engine oil, quieter than nitro engine, smaller power-to-weight ratio than nitro

Scale helicopters: Scale version of conventional helicopters, can run on electric, gas, or nitro, many opportunities for modification

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