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What
are Turbos?
A turbocharger is a device which uses the potentially wasted energy
of the expelled exhaust gases to spin a compressor that force
feeds air into the engine. Because more air is now entering the
engine, more fuel can be added, and the increased amounts of fuel
and air in the cylinder create a larger explosion, producing more
power.
Below is a highly simplified diagram of how it works
Turbo's essentially have two main sections. The exhaust side of
the turbo consists of a turbine wheel in the path of the exhaust
gases. The exhaust gases blow over the turbine wheel this and
causes it to spin, much in the same way a water wheel works. This
turbine is then connected by a shaft to the engine side of the
turbo (this is the part you can usually see). This houses a similar
wheel, this compressor wheel is turned by the connected shaft
and here it forces air into the engine.
See also superchargers
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