Polymers

Monday, August 13, 2012
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The main constituent parts of a modern race engine are very similar to those we would have found in their ancestors of 40-50 years ago. Unless dictated otherwise by rules, we are likely to find aluminium structural castings, aluminium pistons, steel ... read more

Bio-butanol

Monday, August 13, 2012
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Unless you have been living on the Moon for the past 40 years, the news stories about the scarcity of oil - there are always "only 25 years' worth" of it left - and global warming can't have escaped your notice. The imperative to do more work while u... read more

Bearing wear

Monday, August 13, 2012
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Even after more than 30 years in the engine business, the bearing systems in modern internal combustion engine still amaze me. Made from a mixture of aluminium and tin on a steel backing (for bi-metallic examples) or a mixture of copper, silicon and ... read more
Tags :  bearings

Peace and harmony

Monday, August 13, 2012
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I suppose you could say that the valvetrain in any engine is a bit like my grown-up family. So long as everyone away from home stays in contact with the matriarch, all is well. However, as soon as that contact is lost - a late birthday card, for inst... read more
Tags :  camshafts

Polymer coatings in race engines

Monday, August 13, 2012
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This month's RET-Monitor article on materials discusses some of the uses of polymer materials for manufacturing race engine components. Polymers, in comparison to most engineering metals, generally lack strength and stiffness. They are also often mor... read more
Tags :  coatings

Thrust face design - part 2

Monday, August 13, 2012
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The previous article on thrust face design of con rods was published more than a year ago. In this belated follow-up, we will look at the reasons why certain features are employed. One problem with thrust bearings is the fact that, in their simplest... read more
Tags :  con-rods

The cooling fan

Monday, August 13, 2012
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Although a car properly designed for speed should never have any problems with cooling, there are times when the lack of forward motion can limit the amount of heat dissipated through its radiator. In earlier times, simple two- or four-blade fans wou... read more
Tags :  coolant-system

Manufacturing

Monday, August 13, 2012
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While there are reciprocating engines that don't have a crankshaft, these are rare and have generally done little to convince people that we ought to abandon it. The crankshaft, with its eccentric crankpins, is not a straightforward part to make. Evi... read more
Tags :  crankshafts

Crying foul

Monday, August 13, 2012
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It doesn't seem that long ago when all that was needed to fire up your racer was to change one set of spark plugs for some 'hotter' ones, once the engine was warmed up and ready to go. The procedure used to be commonplace, and while the one set was r... read more
Tags :  electronics

Liners - top or bottom?

Monday, August 13, 2012
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After having written a number of articles on some interesting engine projects, especially in the field of amateur racing, this article will give some more background on an internal aspect of engine design - cylinder liners. In deciding on the best l... read more
Tags :  engine-structure
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