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What is a Nitro RC Car?
Nitro RC cars are named for the special type of fuel that
gives them and their motors such kick. Though not the best
choice for beginners, they are the choice if speed and power
are what you want from your RC. The great popularity of nitro
RC cars and trucks is due not only to their speed, but also
because of the realism they offer—looks (smoke), sounds (tuned
pipe) and smells (exhaust), just like the real thing! Over the
last several years, the quality of nitro RC’s has been greatly
improved, making them safer and more reliable than in the
past.
There are four defining features of a nitro RC car:
- special nitro fuel
- high horsepower nitro engine
- tuned exhaust pipe
- realistic, replaceable air filter.
Two different power sources are required for a nitro RC car,
starting with battery packs for the transmitter and receiver.
The car itself, as the name suggests, really does use gasoline
as its fuel: an oil and gasoline mixture, much like a real car.
There are two kinds of nitro motors: the 2-stroke and the 4
stroke engine. The more common 2-stroke engine is similar to
the kind of engine found inside motocross motorcycles, chain
saws and weed whackers. This type of engine has no separate oil
reservoirs, so the oil that lubricates it is included in the
fuel mixture. Conversely, the less popular 4-stroke engine does
have an oil reservoir and therefore does not depend on a
gasoline/oil fuel mixture for lubrication. When running or
racing, the car’s fuel tank will need refilling every 5 to 10
minutes.
The engine seen most frequently in nitro RC cars today is a
23cc (cubic centimeter) displacement, 2-stroke engine. Its
popularity stems from the fact that it’s among the most
powerful engines available for nitro RC cars, putting out
approximately 2.5 HP from its 23cc displacement (23cc means
that the engine has about 1.4 cubic inches of engine
displacement). This engine would be certainly powerful enough
to impress you with its speed.
You’ll also need a starter for the engine, of which there
are two types:
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