A bit of a crush

Friday, May 11, 2012
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To those who travel regularly on a mass transit rail network like the London Underground or New York Subway, the term 'crush' will have its own and possibly unpleasant associations. Packed tightly into a carriage just as one more person squeezes in b... read more
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Ceramic bearings

Thursday, March 29, 2012
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In recent times the push behind developments in bearings containing a ball or rolling element has been that of improved, 'cleaner' steels. Because of its high hardness and therefore resistance to wear, chromium steel has been difficult to beat, and r... read more
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The overlayer

Thursday, February 09, 2012
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There is nothing simple about a modern crankshaft bearing. Often referred to as 'plain' or simple shell bearings, I can assure you that even after 100-plus years of the internal combustion engine - 60 of them since the arrival of the 'thinwall' steel... read more
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Dirty talk

Thursday, December 15, 2011
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It's an interesting but nevertheless slightly surprising fact that the vast majority of premature bearing failures in engines are as a direct consequence of the presence of dirt. Such were the conclusions of a report I read recently, and while lack o... read more
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Rolling along

Thursday, November 10, 2011
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In the search for ever lower engine friction, it is surely a wonder that the rolling element bearing hasn't featured very highly in recent years. So while ball or roller bearing technology is commonly seen in many engine ancillaries - for example, pu... read more
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The silent danger?

Thursday, September 22, 2011
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There has been much discussion of late about the FIA's proposal to ban the use of the engine in the Formula One pit lane and using only electric motors during pit stops. On the face of it this may appear to be dangerous, since the noise from a tradit... read more
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The turbo ball bearing

Thursday, August 11, 2011
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While the concept of the turbocharger has been around since 1926, the basic compressor/bearing housing/turbine hasn't changed that much in the past 50 years. Certainly compressor wheel aerodynamics have improved considerably and turbine technology ha... read more
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White-metal magic

Monday, July 04, 2011
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Still considered by many to be some of the best materials around, white bearings are still commonly used in many vintage racers. This is not, as you might suppose, as a result of just the friction qualities of the material alone, but more as a conseq... read more
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A question of lead

Thursday, March 31, 2011
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In 1949, British industrialist Tony Vandervell bought a contemporary Ferrari Grand Prix car - not a straightforward exercise in the aftermath of World War II, as it required an import licence, while the export of currency to Italy required special pe... read more
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