Steel – powder metallurgy

Friday, April 05, 2013
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When we talk of powder metallurgy methods of manufacture, there are two almost unconnected methods. The first, which is used to manufacture near net-shape components, involves filling a mould with powdered metal and sintering it together under pressu... read more

Radial and axial flux motors

Friday, April 05, 2013
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In a recent issue of Race Engine Technology magazine, there was an article on the propulsion motor being used for the Drayson Racing electric car project. It is short in length and low in mass, and if you have read the article and seen the pictures o... read more

Clearance matters

Friday, April 05, 2013
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In theory at least, an engine bearing – be it big-end or crankshaft main – should be one of the simplest components to lubricate. Separated by a thin film of oil forced into a gap under pressure, when running at a constant rotational spee... read more
Tags :  bearings

It’s all about timing

Friday, April 05, 2013
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Much has already been written in these columns about the technicalities of cam design and manufacture. But unless the component is properly installed in the engine so that the intake and exhaust valves are accurately phased to the motion of the pisto... read more
Tags :  camshafts

Chemical vapour deposition

Friday, April 05, 2013
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In the past 15 years or so there has been a huge change in the range of coatings for metallic components in motorsport, with many more suppliers and a much wider choice. Before then, and in terms of hard-wearing coatings, these often implied adding a... read more
Tags :  coatings

Could steel rods be the optimal solution?

Friday, April 05, 2013
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There have been a number of RET-Monitor articles on con rod materials over the past few years. The last article to cover steel as a con rod material, in late 2009, discussed the general benefits compared to other materials. In general terms, people h... read more
Tags :  con-rods

The water pump

Friday, April 05, 2013
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It is a sad indictment of the spark-ignition engine that, even in its most efficient form, for every horsepower or kilowatt generated, the thermal equivalent of at least two more are lost as heat. And although up to half of this can be conveniently d... read more
Tags :  coolant-system

Flexibility and friction

Friday, April 05, 2013
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Anyone involved in the development of a race engine understands the basics of performance improvement. We want to trap as much air as possible in the combustion chamber, mix with it the amount of fuel that will reliably give best power, burn it as ef... read more
Tags :  crankshafts

Connecting it all together

Friday, April 05, 2013
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Weight is the enemy of the performance car – how many times do we hear that in motorsport circles? But if we are paranoid about the weight of the chassis, engine, gearbox and all the other ancillary bits and pieces – even the paint on a c... read more
Tags :  electronics
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