Superalloys

Thursday, January 03, 2013
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The class of metallic materials known as superalloys have been developed over several decades primarily to meet the needs of the aero engine industry, in particular their requirement for materials that can operate reliably at high temperatures. Despi... read more

Fuel Cells

Thursday, January 03, 2013
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Most of the recent technological interest in alternative energy has been directed towards either hybrid systems or full electric vehicles. Not only are these the two main directions of development in the passenger vehicle market outside of convention... read more

Bearing Feeds

Thursday, January 03, 2013
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The development of a new bearing material is undoubtedly an exacting and complex business. Likewise, the choice of a suitable lubricating fluid is not without its trials and tribulations, especially if for reasons of efficiency you are trying to brea... read more
Tags :  bearings

Friction

Thursday, January 03, 2013
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Friction is the enemy of horsepower. It’s a simple enough mantra, but in order to reduce it in the internal combustion engine a full understanding of the tribology at each mating surface is essential. The friction in the ring pack and cylinder ... read more
Tags :  camshafts

Bearing Coatings

Thursday, January 03, 2013
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Rolling element bearings continue to develop to meet the needs of ever-increasing speeds and loads. We might expect that there would be few applications of engineering coatings to these components, but there is a growing number of applications for wh... read more
Tags :  coatings

Why Fully Machine a Rod?

Thursday, January 03, 2013
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The con rod is something that almost all piston engines have in common, and certainly all successful modern racing piston engines rely on these components to link the piston and crankshaft. There are some obvious visual differences between many racin... read more
Tags :  con-rods

Heat Exchangers

Thursday, January 03, 2013
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It may have escaped the notice of the casual observer but the emphasis of modern vehicle design/development is not so much about style or performance (these are very much a given today) but in the management of engine heat. Thus turbochargers, once t... read more
Tags :  coolant-system

Counterweight Knife Edging

Thursday, January 03, 2013
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Crankshaft counterweights are required on certain engine configurations to allow the engine to run without excessive rocking couples; cruciform V8 crankshafts are an example of this. Other engine configurations can run happily without counterweightin... read more
Tags :  crankshafts

The Downshift

Thursday, January 03, 2013
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One of the skills of a race driver, indeed any driver, years ago was that of changing gear. Being able to change gear quickly and accurately, taking into account the vehicle speed and the ratio being selected, and doing so time after time without any... read more
Tags :  electronics

How Many is a Crowd?

Thursday, January 03, 2013
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In this month’s article we will take a look at how engine designers arrive at the number of cylinder head bolts in their engine designs and the compromises they need to make in getting there. Looking at a broad range of engines, not just high-... read more
Tags :  engine-structure
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