Frequently Asked Questions

With posts covering a full range of turbo related topics, from the history of the technology and how it works, to different uses and industry applications, there’s something for everyone, from car enthusiasts to our many commercial customers.

A turbocharger is a forced induction device that pushes more air into the combustion chamber of an engine which allows more fuel to be added.

A turbo draws its power from the exhaust gasses of the engine, which are used to drive a turbine, which in turn powers a compressor/air pump.

What are the benefits of using a turbo?

Suitable for a full range of automotive, marine, aviation, rail, plant and machinery applications, turbochargers are used to enable an engine to produce more power and run more efficiently.

The idea of a turbocharger is to increase the density of the air pulled into the each cylinder of the engine (also known as increasing volumetric efficiency). The advantage of squeezing more air into the combustion chamber is that proportionally more fuel can also be added, which means that more power is generated from the explosions in each cylinder. This improves the power to weight ratio of an engine, making it more efficient and powerful than a non-turbocharged (or naturally aspirated) engine of the same size.
Whilst a turbo utilises the exhaust gases of an engine to drive it, a supercharger is mechanically driven by the engine, usually via a belt connected to the crankshaft. In terms of performance, turbochargers tend to be more efficient, with superchargers providing a more immediate response.
A twincharger is an engine that utilises both a supercharger and a turbo. The idea behind twincharging is that you get the advantages of the quick response from the supercharger, and the efficiency from the turbo.

Turbo lag is the hesitation or slowed throttle response experienced when driving a turbocharged vehicle, before the turbo starts to work.

It’s caused by the time it takes for the exhaust system to spin the turbine within the turbo, and for it to force more air and fuel into the engine.

Since the development of the turbo, engineers have made significant progress in reducing turbo lag through developments in design and materials.

Because turbochargers work by increasing the pressure of the air inside an engine, they also increase the operating temperatures. The hot exhaust gasses that serve to spin the turbine of the turbo also increase temperatures. As air gets warmer, it expands, making it less dense, and reducing the oxygen available for combustion. In turn, this reduces the efficiency of the engine, and can also cause significant damage to the engine through ‘knocking’. An intercooler is a device that works to cool down the intake air, helping to ensure that a turbocharged engine runs safely and at peak efficiency.

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