The rear crankshaft oil seal

Thursday, May 12, 2011
Comments (2)

Historically, the rear main bearing oil seal has always been a challenge for the engine designer. Ask any modern competitor of a classic or vintage racecar when apart from getting the engine started in the first place, the second most important quest... read more
Tags :  engine-structure

MotoGP exhausts

Thursday, May 12, 2011
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MotoGP represents a real technical challenge for those who have the resources to design a bespoke race engine. The rules are refreshingly simple and short. There is very little to restrict irresponsible levels of spending, apart from common sense. Th... read more
Tags :  exhausts

Anti-rotation washers

Thursday, May 12, 2011
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There have been a number of articles about fasteners that have mentioned friction, and as we have discussed, this has an important effect on the relationship between tightening torque and tension. Although torque-based tensioning of fasteners is not ... read more
Tags :  fasteners

Sealing the Wankel engine

Thursday, May 12, 2011
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If you think sealing the gap between the piston and cylinder bore of a conventional reciprocating engine presents something of a challenge, then spare a thought for the problems facing the Wankel engine. Once heralded as the rightful successor to the... read more
Tags :  pistons-rings

Superfinishing

Thursday, May 12, 2011
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There are often lots of shiny parts in a race engine, and some companies produce parts of a high surface finish as a sales point; there is a perception by some that a polished part is better quality and therefore has an inherently higher value. Ther... read more

The eddy-current dyno

Thursday, May 12, 2011
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Although the water or hydraulic brake is probably the most cost effective form of dynamometer, by far the most familiar - at least for those in a professional engine development environment - will be the eddy-current brake. It's a bit of a hybrid in ... read more
Tags :  test-equipment

Carbon-carbon composites in clutches

Thursday, May 12, 2011
Comments (1)

It is common to see composite materials in a range of applications in motorsport. Typically glass- and carbon fibre composites reinforced within a polyester or epoxy matrix not only lend themselves to the manufacture of complex shapes but also allow ... read more
Tags :  transmission
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