Turbocharger control

Monday, November 10, 2014
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The operating range of a turbocharger is limited by the design of not just the centrifugal compressor but also that of the inward radial flow turbine which powers it. For the unit to work satisfactorily in service, the compressor wheel and casing on ... read more
Tags :  induction-system

Variable geometry manifolds

Tuesday, September 30, 2014
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At a time when many if not most high-performance road vehicles have some kind of variable geometry intake manifold, it seems absurd to ban such systems for the latest breed of Formula One machines. Originally outlawed in the mid-2000s on the grounds ... read more
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Are you seated comfortably?

Wednesday, July 09, 2014
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A race engine is effectively an air pump and, in theory at least, the greater amount of air it passes then the greater amount of power produced. However, the introduction of the inlet (or exhaust) valve to control the flow into (or out of) the combus... read more
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The centrifugal supercharger

Thursday, March 27, 2014
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Mention superchargers and I’m sure most people will think of those huge positive-displacement air pumps sitting in the centre of the vee in a V8 engine. Driven directly off the nose of the crankshaft using a vee or toothed belt drive, and pokin... read more
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The importance of air filtration

Wednesday, January 08, 2014
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The primary function of the engine air filter is simply to remove airborne contaminants – road or trackside dust, dirt, tyre and other organic detritus in the environment – from the intake airstream and prevent it from entering the combus... read more
Tags :  induction-system

The surge tank

Monday, December 02, 2013
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Innovation is the lifeblood of motorsport – or used to be. These days though, with the introduction of all manner of spec formulae with single supplier engines, the emphasis would seem to be more on the sport element than that of the motor, and... read more
Tags :  induction-system

The air trumpet

Monday, October 07, 2013
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It might seem difficult to believe but there was a time when not all engine designers believed in free-breathing engines. These days of course the key to the best possible engine performance is generally accepted as having the least restrictive intak... read more
Tags :  induction-system
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