KERS - epicyclic gearing

Tuesday, February 16, 2010
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Connected between the flywheel and the continuously variable transmission of the Flybrid, mechanical KERS is an epicyclic gear system, the focus of this article. Epicyclic gearing is a gear system that consists of one or more planet gears, rotating ... read more

Rolling contact bearings

Tuesday, February 16, 2010
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The terms rolling contact bearing, anti friction bearing and rolling element bearing are used to describe that class of bearing in which the main load is transferred through elements in rolling contact with each other. Friction in a rolling element b... read more
Tags :  bearings

Friction and the camshaft

Tuesday, February 16, 2010
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Perhaps the most noticeable trend in lubricant technology over the last 30 years or so is the movement towards lower viscosity oils. The relentless drive for greater efficiency and hence higher power has led to developments where in the past claims o... read more
Tags :  camshafts

Smaller and lighter is always better

Tuesday, February 16, 2010
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In the case that you don't have this article delivered to your inbox, I hope that the title has drawn you here either in the hope that you will find how to make your con rods smaller and lighter (in which case you may be disappointed) or because you ... read more
Tags :  con-rods

Applying Matinaglia's good advice

Tuesday, February 16, 2010
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In the author's article on the mitigation of stress concentration in critical areas of crankshafts last month (Crankshafts: Stress-concentration mitigation), we mentioned the 1943 paper by Matinaglia. Some of his findings are repeated in the books by... read more
Tags :  crankshafts

Wall wetting - the 'Tau' factor

Tuesday, February 16, 2010
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In a conventional multi-point port injected gasoline engine the fuel is introduced into the air stream in the form of a jet of liquid. Atomising into small droplets, these mix with the air, begin to vaporise and eventually get carried off past the in... read more
Tags :  electronics

Coatings: phosphating

Tuesday, February 16, 2010
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There are a number of surface treatments which go under the generic term 'phosphating', but not all are used for the same purposes and equally not all will be potentially of use to us as engine designers or in specifying parts which will increase per... read more
Tags :  coatings

A most unusual engine

Tuesday, February 16, 2010
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An engineer should not only have solid grounding in the fundamentals of his discipline but an interest in history too. A thorough understanding of the principles involved in product design is, I would have thought, an absolute necessity but an apprec... read more
Tags :  engine-structure

Corrosion

Tuesday, February 16, 2010
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It is a rather strange but ironic fact of life that once a racing engine gets over a certain age then the biggest causes of failure are not likely to be those associated with excessive loads or the breakdown of lubrication, but simply that of corrosi... read more
Tags :  engine-structure
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