Aluminium-silicon alloys

Thursday, September 27, 2012
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Although cast iron has enjoyed something of a resurgence since the advent of compacted graphite iron (CGI) in passenger cars, in racing it is an anachronism, a throw-back to much earlier times. It is usually used for large structural castings only wh... read more

Why hybrids?

Thursday, September 27, 2012
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For a number of years, there have been hybrid roadcars available. Beloved of celebrities wanting to cultivate a tree-hugging image, they can't be said however to have captured the public's imagination. Technology pundits had predicted a long transiti... read more

Aluminium and tin

Thursday, September 27, 2012
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Despite many years of bearing development there are still those who argue that there is no better material than babbits. For corrosion resistance, embeddability, conformability and their ability to support thick hydrodynamic oil films for instance, b... read more
Tags :  bearings

That other camshaft

Thursday, September 27, 2012
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It is perhaps easy to forget that while in most gasoline engines the function of the camshaft is solely to open and close the intake and exhaust valves, in others - particularly the more modern direct injection designs - cams are part of the fuel sys... read more
Tags :  camshafts

Thermal/plasma-sprayed ceramics

Thursday, September 27, 2012
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The main use for ceramic coatings for racing powertrains is on exhaust system components and various heat shields. The very low thermal conductivity of many metal oxides makes them ideal candidates where we would like a coating to reduce heat transfe... read more
Tags :  coatings

Stud and nut, or a bolt?

Thursday, September 27, 2012
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As most race engines are now of the four-stroke multi-cylinder variety, the vast majority of con rods designed and manufactured for racing are of the split type. This means having a reliable means of holding the two parts of the rod together with suf... read more
Tags :  con-rods

The silicone hose

Thursday, September 27, 2012
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When I think back to when I was first introduced to competitive motorsport - rather more years ago now than I care to remember - I wince now at some the things we used to do. At the time, it was very much a 'make do and mend' attitude, and the amateu... read more
Tags :  coolant-system

The power control module

Thursday, September 27, 2012
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If your car has ever broken down you'll know it can be both a humiliating and humbling experience, especially if a little prior warning could have rescued the situation or at least minimised its impact and allowed you to get back to a place of refuge... read more
Tags :  electronics

Liners - top or bottom (part 2)

Thursday, September 27, 2012
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The previous article on this subject described the concepts and decisions to be taken when applying a wet liner, and concerned the choice between top, bottom or mid-stop liner. Some basics were shared on the advantages of each one, and it was mention... read more
Tags :  engine-structure
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