Magnesium as a piston material

Wednesday, July 09, 2014
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The racing piston market is dominated by aluminium, as are the roadcar and motorcycle markets, although in general the alloys used in racing are quite different from those in passenger vehicles. As racing engineers we look for increased durability an... read more

Fatigue

Wednesday, July 09, 2014
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In recent years the push towards more fuel-efficient, direct injected engines has led to increased peak cylinder pressures and higher bearing loads. In order to support this higher level of performance, therefore, plain metal shell bearings have had ... read more
Tags :  bearings

Slip sliding away

Wednesday, July 09, 2014
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Friction in an engine means different things to different people. To some it equates to lost power; to others it is lost fuel economy, while to the environmentally aware it represents increased engine emissions, and so faced with these it is little w... read more
Tags :  camshafts

The use of soft metallic coatings

Wednesday, July 09, 2014
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Much of the focus in recent years in terms of coatings used in motorsport powertrains has been on the hard low-friction coatings, such as titanium nitride, chromium nitride and diamond-like carbon. These have served to reduce friction and increase th... read more
Tags :  coatings

The Scotch Yoke, part 2

Wednesday, July 09, 2014
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In the previous article, there was a picture of a very basic Scotch Yoke mechanism, and the mechanically astute among you would have noticed some obvious problems with such a basic implementation of the principle behind it. The two glaring ones are h... read more
Tags :  con-rods

Hosing for posing

Wednesday, July 09, 2014
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Over the years, many automotive parts have been made from rubber. Initially made from the latex of the rubber tree, the security of supply and the vast amounts needed during the 1920s and ’30s encouraged the development of synthetic alternative... read more
Tags :  coolant-system

Visco-elastic dampers

Wednesday, July 09, 2014
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In the recent series of RET-Monitor articles on crankshafts, we have looked at various designs of vibration dampers/absorbers that can help protect engines from the effects of torsional vibration. There is a wide variety of basic concepts and many va... read more
Tags :  crankshafts

Big Data

Wednesday, July 09, 2014
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Ask any engineer involved in motorsport about the real strength of a data acquisition system and they will say it is not the data itself but the quality of the analysis of the information logged. Whether you use a budget machine or one that can accep... read more
Tags :  electronics

Hotter than ever

Wednesday, July 09, 2014
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In my previous article I looked at the key differences between the former V8 and current turbo-powered Formula One engine blocks. The principal ones were far higher peak firing pressure and specific power, and because of these the main dimensions of ... read more
Tags :  engine-structure
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