Copper

Thursday, May 12, 2011
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The applications of copper alloys in engines are generally those where we might expect to see relative movement or where a combination of strength, wear resistance and thermal conductivity is required. A favourite type for many of these applications ... read more

Mechanical KERS

Thursday, May 12, 2011
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In the recent Alternative Energy Focus article in Race Engine Technology magazine (issue 53, March/April 2011), the subject of KERS and its different strategies were discussed. The car manufacturers - thus far at least - have opted to use a purely el... read more

Three into two will go

Thursday, May 12, 2011
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High lifts or long durations are common features in high-performance camshafts, and when optimised can produce high engine torques over a useful but often limited range of engine speeds. The introduction of variable valve timing can widen this range ... read more
Tags :  camshafts

Piston skirt coatings

Thursday, May 12, 2011
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The contribution of the piston assembly to overall engine frictional losses is well documented and has been the subject of a lot of research over a number of decades. In SAE paper 911230, for example, the authors Tsuchida and Tsuzuku study the effec... read more
Tags :  coatings

Why not titanium?

Thursday, May 12, 2011
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There are some materials regulations in motor racing that don't make sense, because they stifle development and outlaw materials which just make good sense. The ban by many race series on the use of magnesium is one example of this, given that it has... read more
Tags :  crankshafts

Turbocharging the ECU

Thursday, May 12, 2011
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With a number of new race formulae moving over to pressure-charged engines, the second decade of the 21st century looks set to become the Second Coming of the turbocharger. The First Coming, of course - if my memory serves me correctly, back in the l... read more
Tags :  electronics

Cool bubble

Thursday, May 12, 2011
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In this article I want to emphasise the non-material side of the cylinder head, focussing on cooling. Whereas in previous articles I have provided some insight into cylinder head structure and coolant flow, this time I will look at cooling mechanisms... read more
Tags :  engine-structure

Thermal spraying of liners

Thursday, May 12, 2011
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The inexorable push towards ever-lighter engines with even greater levels of durability is more pressing now than ever. Challenging targets for CO2 emissions (read fuel economy) in the road vehicle business, together with pressure on production costs... read more
Tags :  engine-structure
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