Seal material selection

Thursday, February 09, 2012
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Maybe it's just me but for some reason choosing the most appropriate seal material for an application used to make me uncomfortable. Bamboozled by the plethora of the various product catalogues (for this was before the Internet age) the decision woul... read more
Tags :  engine-structure

Formula One exhausts

Thursday, February 09, 2012
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When I last wrote a short piece on the subject of exhaust systems in Formula One, it was just ahead of the 2011 season. Little could we have predicted the central role that exhaust systems, combined with different engine management strategies, would ... read more
Tags :  exhausts

Fastener coatings

Thursday, February 09, 2012
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There are a huge number of materials from which fasteners can be made, but not all are suited to all applications. Materials from which commercially available threaded fasteners used in motorsport are made range from various polymers through aluminiu... read more
Tags :  fasteners

Diesel fuel

Thursday, February 09, 2012
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Regular readers will have realised by now that I am not a great fan of diesel-fuelled racers. Any reciprocating engine that relies on the temperature of the compressed intake air to be greater than that of the flash point of the fuel has no right to ... read more
Tags :  fuel-system

Ford's 1964 Indianapolis engine

Thursday, February 09, 2012
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In 1963 a Ford-powered Lotus 29 driven by Jim Clark came tantalisingly close to winning the Indianapolis 500, and was prevented from doing so only by the leading roadster of Parnelli Jones dropping oil on the track. The Lotus was running a developmen... read more
Tags :  oil-system

Feeling the tension

Thursday, February 09, 2012
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It is an undisputed fact that the greatest source of friction in a reciprocating internal combustion engine lies in its ring pack. But the forces necessary to maintain the seal between piston and bore are precisely those that create the parasitic dra... read more
Tags :  pistons-rings

Low-pressure carburising

Thursday, February 09, 2012
Comments (1)

The case hardening process, also known as carburising is very old, and pre-dates controlled nitriding processes by some decades; I have seen drawings of racing crankshafts from the 1920s that were hardened by this method. Other race engine parts that... read more

The chassis dyno

Thursday, February 09, 2012
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Chassis dynamometers are one of the most common methods for assessing the power output of race engines, thanks to the ease with which testing can be conducted. However, because the entire vehicle package is under test there are a large number of fact... read more
Tags :  test-equipment

WSB quick shifters

Thursday, February 09, 2012
Comments (1)

The regulations governing transmissions in the World Superbike Championship require engineers to stick relatively closely to the design of the homologated units, on the production machine. Materials and ratios can be changed but the layout of the mai... read more
Tags :  transmission
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